Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2006-2008 Intel Corporation |
| 3 | * Copyright (c) 2007 Dave Airlie <airlied@linux.ie> |
| 4 | * Copyright (c) 2008 Red Hat Inc. |
| 5 | * |
| 6 | * DRM core CRTC related functions |
| 7 | * |
| 8 | * Permission to use, copy, modify, distribute, and sell this software and its |
| 9 | * documentation for any purpose is hereby granted without fee, provided that |
| 10 | * the above copyright notice appear in all copies and that both that copyright |
| 11 | * notice and this permission notice appear in supporting documentation, and |
| 12 | * that the name of the copyright holders not be used in advertising or |
| 13 | * publicity pertaining to distribution of the software without specific, |
| 14 | * written prior permission. The copyright holders make no representations |
| 15 | * about the suitability of this software for any purpose. It is provided "as |
| 16 | * is" without express or implied warranty. |
| 17 | * |
| 18 | * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, |
| 19 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO |
| 20 | * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR |
| 21 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, |
| 22 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 23 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE |
| 24 | * OF THIS SOFTWARE. |
| 25 | * |
| 26 | * Authors: |
| 27 | * Keith Packard |
| 28 | * Eric Anholt <eric@anholt.net> |
| 29 | * Dave Airlie <airlied@linux.ie> |
| 30 | * Jesse Barnes <jesse.barnes@intel.com> |
| 31 | */ |
Ville Syrjälä | 6ba6d03 | 2013-06-10 11:15:10 +0300 | [diff] [blame] | 32 | #include <linux/ctype.h> |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 33 | #include <linux/list.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 34 | #include <linux/slab.h> |
Paul Gortmaker | 2d1a8a4 | 2011-08-30 18:16:33 -0400 | [diff] [blame] | 35 | #include <linux/export.h> |
David Howells | 760285e | 2012-10-02 18:01:07 +0100 | [diff] [blame] | 36 | #include <drm/drmP.h> |
| 37 | #include <drm/drm_crtc.h> |
| 38 | #include <drm/drm_edid.h> |
| 39 | #include <drm/drm_fourcc.h> |
Rob Clark | 51fd371 | 2013-11-19 12:10:12 -0500 | [diff] [blame] | 40 | #include <drm/drm_modeset_lock.h> |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 41 | |
Daniel Vetter | 8bd441b | 2014-01-23 15:35:24 +0100 | [diff] [blame] | 42 | #include "drm_crtc_internal.h" |
Daniel Vetter | 67d0ec4 | 2014-09-10 12:43:53 +0200 | [diff] [blame] | 43 | #include "drm_internal.h" |
Daniel Vetter | 8bd441b | 2014-01-23 15:35:24 +0100 | [diff] [blame] | 44 | |
Matt Roper | c394c2b | 2014-06-10 08:28:08 -0700 | [diff] [blame] | 45 | static struct drm_framebuffer *add_framebuffer_internal(struct drm_device *dev, |
| 46 | struct drm_mode_fb_cmd2 *r, |
| 47 | struct drm_file *file_priv); |
| 48 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 49 | /* Avoid boilerplate. I'm tired of typing. */ |
| 50 | #define DRM_ENUM_NAME_FN(fnname, list) \ |
Ville Syrjälä | d20d317 | 2013-06-07 15:43:07 +0000 | [diff] [blame] | 51 | const char *fnname(int val) \ |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 52 | { \ |
| 53 | int i; \ |
| 54 | for (i = 0; i < ARRAY_SIZE(list); i++) { \ |
| 55 | if (list[i].type == val) \ |
| 56 | return list[i].name; \ |
| 57 | } \ |
| 58 | return "(unknown)"; \ |
| 59 | } |
| 60 | |
| 61 | /* |
| 62 | * Global properties |
| 63 | */ |
Ville Syrjälä | d20d317 | 2013-06-07 15:43:07 +0000 | [diff] [blame] | 64 | static const struct drm_prop_enum_list drm_dpms_enum_list[] = |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 65 | { { DRM_MODE_DPMS_ON, "On" }, |
| 66 | { DRM_MODE_DPMS_STANDBY, "Standby" }, |
| 67 | { DRM_MODE_DPMS_SUSPEND, "Suspend" }, |
| 68 | { DRM_MODE_DPMS_OFF, "Off" } |
| 69 | }; |
| 70 | |
| 71 | DRM_ENUM_NAME_FN(drm_get_dpms_name, drm_dpms_enum_list) |
| 72 | |
Rob Clark | 9922ab5 | 2014-04-01 20:16:57 -0400 | [diff] [blame] | 73 | static const struct drm_prop_enum_list drm_plane_type_enum_list[] = |
| 74 | { |
| 75 | { DRM_PLANE_TYPE_OVERLAY, "Overlay" }, |
| 76 | { DRM_PLANE_TYPE_PRIMARY, "Primary" }, |
| 77 | { DRM_PLANE_TYPE_CURSOR, "Cursor" }, |
| 78 | }; |
| 79 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 80 | /* |
| 81 | * Optional properties |
| 82 | */ |
Ville Syrjälä | d20d317 | 2013-06-07 15:43:07 +0000 | [diff] [blame] | 83 | static const struct drm_prop_enum_list drm_scaling_mode_enum_list[] = |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 84 | { |
Jesse Barnes | 53bd838 | 2009-07-01 10:04:40 -0700 | [diff] [blame] | 85 | { DRM_MODE_SCALE_NONE, "None" }, |
| 86 | { DRM_MODE_SCALE_FULLSCREEN, "Full" }, |
| 87 | { DRM_MODE_SCALE_CENTER, "Center" }, |
| 88 | { DRM_MODE_SCALE_ASPECT, "Full aspect" }, |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 89 | }; |
| 90 | |
Vandana Kannan | ff587e4 | 2014-06-11 10:46:48 +0530 | [diff] [blame] | 91 | static const struct drm_prop_enum_list drm_aspect_ratio_enum_list[] = { |
| 92 | { DRM_MODE_PICTURE_ASPECT_NONE, "Automatic" }, |
| 93 | { DRM_MODE_PICTURE_ASPECT_4_3, "4:3" }, |
| 94 | { DRM_MODE_PICTURE_ASPECT_16_9, "16:9" }, |
| 95 | }; |
| 96 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 97 | /* |
| 98 | * Non-global properties, but "required" for certain connectors. |
| 99 | */ |
Ville Syrjälä | d20d317 | 2013-06-07 15:43:07 +0000 | [diff] [blame] | 100 | static const struct drm_prop_enum_list drm_dvi_i_select_enum_list[] = |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 101 | { |
| 102 | { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ |
| 103 | { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ |
| 104 | { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ |
| 105 | }; |
| 106 | |
| 107 | DRM_ENUM_NAME_FN(drm_get_dvi_i_select_name, drm_dvi_i_select_enum_list) |
| 108 | |
Ville Syrjälä | d20d317 | 2013-06-07 15:43:07 +0000 | [diff] [blame] | 109 | static const struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list[] = |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 110 | { |
| 111 | { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ |
| 112 | { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ |
| 113 | { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ |
| 114 | }; |
| 115 | |
| 116 | DRM_ENUM_NAME_FN(drm_get_dvi_i_subconnector_name, |
| 117 | drm_dvi_i_subconnector_enum_list) |
| 118 | |
Ville Syrjälä | d20d317 | 2013-06-07 15:43:07 +0000 | [diff] [blame] | 119 | static const struct drm_prop_enum_list drm_tv_select_enum_list[] = |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 120 | { |
| 121 | { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ |
| 122 | { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ |
| 123 | { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ |
| 124 | { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ |
Francisco Jerez | aeaa1ad | 2009-08-02 04:19:19 +0200 | [diff] [blame] | 125 | { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 126 | }; |
| 127 | |
| 128 | DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list) |
| 129 | |
Ville Syrjälä | d20d317 | 2013-06-07 15:43:07 +0000 | [diff] [blame] | 130 | static const struct drm_prop_enum_list drm_tv_subconnector_enum_list[] = |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 131 | { |
| 132 | { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ |
| 133 | { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ |
| 134 | { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ |
| 135 | { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ |
Francisco Jerez | aeaa1ad | 2009-08-02 04:19:19 +0200 | [diff] [blame] | 136 | { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 137 | }; |
| 138 | |
| 139 | DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name, |
| 140 | drm_tv_subconnector_enum_list) |
| 141 | |
Ville Syrjälä | d20d317 | 2013-06-07 15:43:07 +0000 | [diff] [blame] | 142 | static const struct drm_prop_enum_list drm_dirty_info_enum_list[] = { |
Jakob Bornecrantz | 884840a | 2009-12-03 23:25:47 +0000 | [diff] [blame] | 143 | { DRM_MODE_DIRTY_OFF, "Off" }, |
| 144 | { DRM_MODE_DIRTY_ON, "On" }, |
| 145 | { DRM_MODE_DIRTY_ANNOTATE, "Annotate" }, |
| 146 | }; |
| 147 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 148 | struct drm_conn_prop_enum_list { |
| 149 | int type; |
Ville Syrjälä | d20d317 | 2013-06-07 15:43:07 +0000 | [diff] [blame] | 150 | const char *name; |
Ilia Mirkin | b21e3af | 2013-08-07 22:34:48 -0400 | [diff] [blame] | 151 | struct ida ida; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 152 | }; |
| 153 | |
| 154 | /* |
| 155 | * Connector and encoder types. |
| 156 | */ |
| 157 | static struct drm_conn_prop_enum_list drm_connector_enum_list[] = |
Ilia Mirkin | b21e3af | 2013-08-07 22:34:48 -0400 | [diff] [blame] | 158 | { { DRM_MODE_CONNECTOR_Unknown, "Unknown" }, |
| 159 | { DRM_MODE_CONNECTOR_VGA, "VGA" }, |
| 160 | { DRM_MODE_CONNECTOR_DVII, "DVI-I" }, |
| 161 | { DRM_MODE_CONNECTOR_DVID, "DVI-D" }, |
| 162 | { DRM_MODE_CONNECTOR_DVIA, "DVI-A" }, |
| 163 | { DRM_MODE_CONNECTOR_Composite, "Composite" }, |
| 164 | { DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO" }, |
| 165 | { DRM_MODE_CONNECTOR_LVDS, "LVDS" }, |
| 166 | { DRM_MODE_CONNECTOR_Component, "Component" }, |
| 167 | { DRM_MODE_CONNECTOR_9PinDIN, "DIN" }, |
| 168 | { DRM_MODE_CONNECTOR_DisplayPort, "DP" }, |
| 169 | { DRM_MODE_CONNECTOR_HDMIA, "HDMI-A" }, |
| 170 | { DRM_MODE_CONNECTOR_HDMIB, "HDMI-B" }, |
| 171 | { DRM_MODE_CONNECTOR_TV, "TV" }, |
| 172 | { DRM_MODE_CONNECTOR_eDP, "eDP" }, |
| 173 | { DRM_MODE_CONNECTOR_VIRTUAL, "Virtual" }, |
Shobhit Kumar | b892327 | 2013-08-27 15:12:13 +0300 | [diff] [blame] | 174 | { DRM_MODE_CONNECTOR_DSI, "DSI" }, |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 175 | }; |
| 176 | |
Ville Syrjälä | d20d317 | 2013-06-07 15:43:07 +0000 | [diff] [blame] | 177 | static const struct drm_prop_enum_list drm_encoder_enum_list[] = |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 178 | { { DRM_MODE_ENCODER_NONE, "None" }, |
| 179 | { DRM_MODE_ENCODER_DAC, "DAC" }, |
| 180 | { DRM_MODE_ENCODER_TMDS, "TMDS" }, |
| 181 | { DRM_MODE_ENCODER_LVDS, "LVDS" }, |
| 182 | { DRM_MODE_ENCODER_TVDAC, "TV" }, |
Thomas Hellstrom | a7331e5 | 2011-10-22 10:36:19 +0200 | [diff] [blame] | 183 | { DRM_MODE_ENCODER_VIRTUAL, "Virtual" }, |
Shobhit Kumar | b892327 | 2013-08-27 15:12:13 +0300 | [diff] [blame] | 184 | { DRM_MODE_ENCODER_DSI, "DSI" }, |
Dave Airlie | 182407a | 2014-05-02 11:09:54 +1000 | [diff] [blame] | 185 | { DRM_MODE_ENCODER_DPMST, "DP MST" }, |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 186 | }; |
| 187 | |
Jesse Barnes | ac1bb36 | 2014-02-10 15:32:44 -0800 | [diff] [blame] | 188 | static const struct drm_prop_enum_list drm_subpixel_enum_list[] = |
| 189 | { |
| 190 | { SubPixelUnknown, "Unknown" }, |
| 191 | { SubPixelHorizontalRGB, "Horizontal RGB" }, |
| 192 | { SubPixelHorizontalBGR, "Horizontal BGR" }, |
| 193 | { SubPixelVerticalRGB, "Vertical RGB" }, |
| 194 | { SubPixelVerticalBGR, "Vertical BGR" }, |
| 195 | { SubPixelNone, "None" }, |
| 196 | }; |
| 197 | |
Ilia Mirkin | b21e3af | 2013-08-07 22:34:48 -0400 | [diff] [blame] | 198 | void drm_connector_ida_init(void) |
| 199 | { |
| 200 | int i; |
| 201 | |
| 202 | for (i = 0; i < ARRAY_SIZE(drm_connector_enum_list); i++) |
| 203 | ida_init(&drm_connector_enum_list[i].ida); |
| 204 | } |
| 205 | |
| 206 | void drm_connector_ida_destroy(void) |
| 207 | { |
| 208 | int i; |
| 209 | |
| 210 | for (i = 0; i < ARRAY_SIZE(drm_connector_enum_list); i++) |
| 211 | ida_destroy(&drm_connector_enum_list[i].ida); |
| 212 | } |
| 213 | |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 214 | /** |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 215 | * drm_get_connector_status_name - return a string for connector status |
| 216 | * @status: connector status to compute name of |
| 217 | * |
| 218 | * In contrast to the other drm_get_*_name functions this one here returns a |
| 219 | * const pointer and hence is threadsafe. |
| 220 | */ |
Ville Syrjälä | d20d317 | 2013-06-07 15:43:07 +0000 | [diff] [blame] | 221 | const char *drm_get_connector_status_name(enum drm_connector_status status) |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 222 | { |
| 223 | if (status == connector_status_connected) |
| 224 | return "connected"; |
| 225 | else if (status == connector_status_disconnected) |
| 226 | return "disconnected"; |
| 227 | else |
| 228 | return "unknown"; |
| 229 | } |
Lespiau, Damien | ed7951d | 2013-05-10 12:36:42 +0000 | [diff] [blame] | 230 | EXPORT_SYMBOL(drm_get_connector_status_name); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 231 | |
Jesse Barnes | ac1bb36 | 2014-02-10 15:32:44 -0800 | [diff] [blame] | 232 | /** |
| 233 | * drm_get_subpixel_order_name - return a string for a given subpixel enum |
| 234 | * @order: enum of subpixel_order |
| 235 | * |
| 236 | * Note you could abuse this and return something out of bounds, but that |
| 237 | * would be a caller error. No unscrubbed user data should make it here. |
| 238 | */ |
| 239 | const char *drm_get_subpixel_order_name(enum subpixel_order order) |
| 240 | { |
| 241 | return drm_subpixel_enum_list[order].name; |
| 242 | } |
| 243 | EXPORT_SYMBOL(drm_get_subpixel_order_name); |
| 244 | |
Ville Syrjälä | 6ba6d03 | 2013-06-10 11:15:10 +0300 | [diff] [blame] | 245 | static char printable_char(int c) |
| 246 | { |
| 247 | return isascii(c) && isprint(c) ? c : '?'; |
| 248 | } |
| 249 | |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 250 | /** |
| 251 | * drm_get_format_name - return a string for drm fourcc format |
| 252 | * @format: format to compute name of |
| 253 | * |
| 254 | * Note that the buffer used by this function is globally shared and owned by |
| 255 | * the function itself. |
| 256 | * |
| 257 | * FIXME: This isn't really multithreading safe. |
| 258 | */ |
Ville Syrjälä | d20d317 | 2013-06-07 15:43:07 +0000 | [diff] [blame] | 259 | const char *drm_get_format_name(uint32_t format) |
Ville Syrjälä | 6ba6d03 | 2013-06-10 11:15:10 +0300 | [diff] [blame] | 260 | { |
| 261 | static char buf[32]; |
| 262 | |
| 263 | snprintf(buf, sizeof(buf), |
| 264 | "%c%c%c%c %s-endian (0x%08x)", |
| 265 | printable_char(format & 0xff), |
| 266 | printable_char((format >> 8) & 0xff), |
| 267 | printable_char((format >> 16) & 0xff), |
| 268 | printable_char((format >> 24) & 0x7f), |
| 269 | format & DRM_FORMAT_BIG_ENDIAN ? "big" : "little", |
| 270 | format); |
| 271 | |
| 272 | return buf; |
| 273 | } |
| 274 | EXPORT_SYMBOL(drm_get_format_name); |
| 275 | |
Dave Airlie | 2ee3945 | 2014-07-24 11:53:45 +1000 | [diff] [blame] | 276 | /* |
| 277 | * Internal function to assign a slot in the object idr and optionally |
| 278 | * register the object into the idr. |
| 279 | */ |
| 280 | static int drm_mode_object_get_reg(struct drm_device *dev, |
| 281 | struct drm_mode_object *obj, |
| 282 | uint32_t obj_type, |
| 283 | bool register_obj) |
| 284 | { |
| 285 | int ret; |
| 286 | |
| 287 | mutex_lock(&dev->mode_config.idr_mutex); |
| 288 | ret = idr_alloc(&dev->mode_config.crtc_idr, register_obj ? obj : NULL, 1, 0, GFP_KERNEL); |
| 289 | if (ret >= 0) { |
| 290 | /* |
| 291 | * Set up the object linking under the protection of the idr |
| 292 | * lock so that other users can't see inconsistent state. |
| 293 | */ |
| 294 | obj->id = ret; |
| 295 | obj->type = obj_type; |
| 296 | } |
| 297 | mutex_unlock(&dev->mode_config.idr_mutex); |
| 298 | |
| 299 | return ret < 0 ? ret : 0; |
| 300 | } |
| 301 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 302 | /** |
Daniel Vetter | 065a50ed | 2012-12-02 00:09:18 +0100 | [diff] [blame] | 303 | * drm_mode_object_get - allocate a new modeset identifier |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 304 | * @dev: DRM device |
Daniel Vetter | 065a50ed | 2012-12-02 00:09:18 +0100 | [diff] [blame] | 305 | * @obj: object pointer, used to generate unique ID |
| 306 | * @obj_type: object type |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 307 | * |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 308 | * Create a unique identifier based on @ptr in @dev's identifier space. Used |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 309 | * for tracking modes, CRTCs and connectors. Note that despite the _get postfix |
| 310 | * modeset identifiers are _not_ reference counted. Hence don't use this for |
| 311 | * reference counted modeset objects like framebuffers. |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 312 | * |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 313 | * Returns: |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 314 | * New unique (relative to other objects in @dev) integer identifier for the |
| 315 | * object. |
| 316 | */ |
Daniel Vetter | 8bd441b | 2014-01-23 15:35:24 +0100 | [diff] [blame] | 317 | int drm_mode_object_get(struct drm_device *dev, |
| 318 | struct drm_mode_object *obj, uint32_t obj_type) |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 319 | { |
Dave Airlie | 2ee3945 | 2014-07-24 11:53:45 +1000 | [diff] [blame] | 320 | return drm_mode_object_get_reg(dev, obj, obj_type, true); |
| 321 | } |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 322 | |
Dave Airlie | 2ee3945 | 2014-07-24 11:53:45 +1000 | [diff] [blame] | 323 | static void drm_mode_object_register(struct drm_device *dev, |
| 324 | struct drm_mode_object *obj) |
| 325 | { |
Jesse Barnes | ad2563c | 2009-01-19 17:21:45 +1000 | [diff] [blame] | 326 | mutex_lock(&dev->mode_config.idr_mutex); |
Dave Airlie | 2ee3945 | 2014-07-24 11:53:45 +1000 | [diff] [blame] | 327 | idr_replace(&dev->mode_config.crtc_idr, obj, obj->id); |
Jesse Barnes | ad2563c | 2009-01-19 17:21:45 +1000 | [diff] [blame] | 328 | mutex_unlock(&dev->mode_config.idr_mutex); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 329 | } |
| 330 | |
| 331 | /** |
Daniel Vetter | 065a50ed | 2012-12-02 00:09:18 +0100 | [diff] [blame] | 332 | * drm_mode_object_put - free a modeset identifer |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 333 | * @dev: DRM device |
Daniel Vetter | 065a50ed | 2012-12-02 00:09:18 +0100 | [diff] [blame] | 334 | * @object: object to free |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 335 | * |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 336 | * Free @id from @dev's unique identifier pool. Note that despite the _get |
| 337 | * postfix modeset identifiers are _not_ reference counted. Hence don't use this |
| 338 | * for reference counted modeset objects like framebuffers. |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 339 | */ |
Daniel Vetter | 8bd441b | 2014-01-23 15:35:24 +0100 | [diff] [blame] | 340 | void drm_mode_object_put(struct drm_device *dev, |
| 341 | struct drm_mode_object *object) |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 342 | { |
Jesse Barnes | ad2563c | 2009-01-19 17:21:45 +1000 | [diff] [blame] | 343 | mutex_lock(&dev->mode_config.idr_mutex); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 344 | idr_remove(&dev->mode_config.crtc_idr, object->id); |
Jesse Barnes | ad2563c | 2009-01-19 17:21:45 +1000 | [diff] [blame] | 345 | mutex_unlock(&dev->mode_config.idr_mutex); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 346 | } |
| 347 | |
Rob Clark | 98f75de | 2014-05-30 11:37:03 -0400 | [diff] [blame] | 348 | static struct drm_mode_object *_object_find(struct drm_device *dev, |
| 349 | uint32_t id, uint32_t type) |
| 350 | { |
| 351 | struct drm_mode_object *obj = NULL; |
| 352 | |
| 353 | mutex_lock(&dev->mode_config.idr_mutex); |
| 354 | obj = idr_find(&dev->mode_config.crtc_idr, id); |
Daniel Vetter | 168c02e | 2014-07-24 12:12:45 +0200 | [diff] [blame] | 355 | if (obj && type != DRM_MODE_OBJECT_ANY && obj->type != type) |
| 356 | obj = NULL; |
| 357 | if (obj && obj->id != id) |
| 358 | obj = NULL; |
| 359 | /* don't leak out unref'd fb's */ |
| 360 | if (obj && (obj->type == DRM_MODE_OBJECT_FB)) |
Rob Clark | 98f75de | 2014-05-30 11:37:03 -0400 | [diff] [blame] | 361 | obj = NULL; |
| 362 | mutex_unlock(&dev->mode_config.idr_mutex); |
| 363 | |
| 364 | return obj; |
| 365 | } |
| 366 | |
Daniel Vetter | 786b99e | 2012-12-02 21:53:40 +0100 | [diff] [blame] | 367 | /** |
| 368 | * drm_mode_object_find - look up a drm object with static lifetime |
| 369 | * @dev: drm device |
| 370 | * @id: id of the mode object |
| 371 | * @type: type of the mode object |
| 372 | * |
| 373 | * Note that framebuffers cannot be looked up with this functions - since those |
Rob Clark | 98f75de | 2014-05-30 11:37:03 -0400 | [diff] [blame] | 374 | * are reference counted, they need special treatment. Even with |
| 375 | * DRM_MODE_OBJECT_ANY (although that will simply return NULL |
| 376 | * rather than WARN_ON()). |
Daniel Vetter | 786b99e | 2012-12-02 21:53:40 +0100 | [diff] [blame] | 377 | */ |
Daniel Vetter | 7a9c906 | 2009-09-15 22:57:31 +0200 | [diff] [blame] | 378 | struct drm_mode_object *drm_mode_object_find(struct drm_device *dev, |
| 379 | uint32_t id, uint32_t type) |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 380 | { |
Jesse Barnes | ad2563c | 2009-01-19 17:21:45 +1000 | [diff] [blame] | 381 | struct drm_mode_object *obj = NULL; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 382 | |
Daniel Vetter | 786b99e | 2012-12-02 21:53:40 +0100 | [diff] [blame] | 383 | /* Framebuffers are reference counted and need their own lookup |
| 384 | * function.*/ |
| 385 | WARN_ON(type == DRM_MODE_OBJECT_FB); |
Rob Clark | 98f75de | 2014-05-30 11:37:03 -0400 | [diff] [blame] | 386 | obj = _object_find(dev, id, type); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 387 | return obj; |
| 388 | } |
| 389 | EXPORT_SYMBOL(drm_mode_object_find); |
| 390 | |
| 391 | /** |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 392 | * drm_framebuffer_init - initialize a framebuffer |
| 393 | * @dev: DRM device |
Daniel Vetter | 065a50ed | 2012-12-02 00:09:18 +0100 | [diff] [blame] | 394 | * @fb: framebuffer to be initialized |
| 395 | * @funcs: ... with these functions |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 396 | * |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 397 | * Allocates an ID for the framebuffer's parent mode object, sets its mode |
| 398 | * functions & device file and adds it to the master fd list. |
| 399 | * |
Daniel Vetter | 4b096ac | 2012-12-10 21:19:18 +0100 | [diff] [blame] | 400 | * IMPORTANT: |
| 401 | * This functions publishes the fb and makes it available for concurrent access |
| 402 | * by other users. Which means by this point the fb _must_ be fully set up - |
| 403 | * since all the fb attributes are invariant over its lifetime, no further |
| 404 | * locking but only correct reference counting is required. |
| 405 | * |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 406 | * Returns: |
André Goddard Rosa | af901ca | 2009-11-14 13:09:05 -0200 | [diff] [blame] | 407 | * Zero on success, error code on failure. |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 408 | */ |
| 409 | int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb, |
| 410 | const struct drm_framebuffer_funcs *funcs) |
| 411 | { |
| 412 | int ret; |
| 413 | |
Daniel Vetter | 4b096ac | 2012-12-10 21:19:18 +0100 | [diff] [blame] | 414 | mutex_lock(&dev->mode_config.fb_lock); |
Rob Clark | f7eff60 | 2012-09-05 21:48:38 +0000 | [diff] [blame] | 415 | kref_init(&fb->refcount); |
Daniel Vetter | 4b096ac | 2012-12-10 21:19:18 +0100 | [diff] [blame] | 416 | INIT_LIST_HEAD(&fb->filp_head); |
| 417 | fb->dev = dev; |
| 418 | fb->funcs = funcs; |
Rob Clark | f7eff60 | 2012-09-05 21:48:38 +0000 | [diff] [blame] | 419 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 420 | ret = drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB); |
Ville Syrjälä | 6bfc56a | 2012-03-13 12:35:48 +0200 | [diff] [blame] | 421 | if (ret) |
Daniel Vetter | 4b096ac | 2012-12-10 21:19:18 +0100 | [diff] [blame] | 422 | goto out; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 423 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 424 | dev->mode_config.num_fb++; |
| 425 | list_add(&fb->head, &dev->mode_config.fb_list); |
Daniel Vetter | 4b096ac | 2012-12-10 21:19:18 +0100 | [diff] [blame] | 426 | out: |
| 427 | mutex_unlock(&dev->mode_config.fb_lock); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 428 | |
| 429 | return 0; |
| 430 | } |
| 431 | EXPORT_SYMBOL(drm_framebuffer_init); |
| 432 | |
Daniel Vetter | 83f45fc | 2014-08-06 09:10:18 +0200 | [diff] [blame] | 433 | /* dev->mode_config.fb_lock must be held! */ |
| 434 | static void __drm_framebuffer_unregister(struct drm_device *dev, |
| 435 | struct drm_framebuffer *fb) |
| 436 | { |
| 437 | mutex_lock(&dev->mode_config.idr_mutex); |
| 438 | idr_remove(&dev->mode_config.crtc_idr, fb->base.id); |
| 439 | mutex_unlock(&dev->mode_config.idr_mutex); |
| 440 | |
| 441 | fb->base.id = 0; |
| 442 | } |
| 443 | |
Rob Clark | f7eff60 | 2012-09-05 21:48:38 +0000 | [diff] [blame] | 444 | static void drm_framebuffer_free(struct kref *kref) |
| 445 | { |
| 446 | struct drm_framebuffer *fb = |
| 447 | container_of(kref, struct drm_framebuffer, refcount); |
Daniel Vetter | 83f45fc | 2014-08-06 09:10:18 +0200 | [diff] [blame] | 448 | struct drm_device *dev = fb->dev; |
| 449 | |
| 450 | /* |
| 451 | * The lookup idr holds a weak reference, which has not necessarily been |
| 452 | * removed at this point. Check for that. |
| 453 | */ |
| 454 | mutex_lock(&dev->mode_config.fb_lock); |
| 455 | if (fb->base.id) { |
| 456 | /* Mark fb as reaped and drop idr ref. */ |
| 457 | __drm_framebuffer_unregister(dev, fb); |
| 458 | } |
| 459 | mutex_unlock(&dev->mode_config.fb_lock); |
| 460 | |
Rob Clark | f7eff60 | 2012-09-05 21:48:38 +0000 | [diff] [blame] | 461 | fb->funcs->destroy(fb); |
| 462 | } |
| 463 | |
Daniel Vetter | 2b677e8 | 2012-12-10 21:16:05 +0100 | [diff] [blame] | 464 | static struct drm_framebuffer *__drm_framebuffer_lookup(struct drm_device *dev, |
| 465 | uint32_t id) |
| 466 | { |
| 467 | struct drm_mode_object *obj = NULL; |
| 468 | struct drm_framebuffer *fb; |
| 469 | |
| 470 | mutex_lock(&dev->mode_config.idr_mutex); |
| 471 | obj = idr_find(&dev->mode_config.crtc_idr, id); |
| 472 | if (!obj || (obj->type != DRM_MODE_OBJECT_FB) || (obj->id != id)) |
| 473 | fb = NULL; |
| 474 | else |
| 475 | fb = obj_to_fb(obj); |
| 476 | mutex_unlock(&dev->mode_config.idr_mutex); |
| 477 | |
| 478 | return fb; |
| 479 | } |
| 480 | |
Rob Clark | f7eff60 | 2012-09-05 21:48:38 +0000 | [diff] [blame] | 481 | /** |
Daniel Vetter | 786b99e | 2012-12-02 21:53:40 +0100 | [diff] [blame] | 482 | * drm_framebuffer_lookup - look up a drm framebuffer and grab a reference |
| 483 | * @dev: drm device |
| 484 | * @id: id of the fb object |
| 485 | * |
| 486 | * If successful, this grabs an additional reference to the framebuffer - |
| 487 | * callers need to make sure to eventually unreference the returned framebuffer |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 488 | * again, using @drm_framebuffer_unreference. |
Daniel Vetter | 786b99e | 2012-12-02 21:53:40 +0100 | [diff] [blame] | 489 | */ |
| 490 | struct drm_framebuffer *drm_framebuffer_lookup(struct drm_device *dev, |
| 491 | uint32_t id) |
| 492 | { |
Daniel Vetter | 786b99e | 2012-12-02 21:53:40 +0100 | [diff] [blame] | 493 | struct drm_framebuffer *fb; |
| 494 | |
| 495 | mutex_lock(&dev->mode_config.fb_lock); |
Daniel Vetter | 2b677e8 | 2012-12-10 21:16:05 +0100 | [diff] [blame] | 496 | fb = __drm_framebuffer_lookup(dev, id); |
Daniel Vetter | 83f45fc | 2014-08-06 09:10:18 +0200 | [diff] [blame] | 497 | if (fb) { |
| 498 | if (!kref_get_unless_zero(&fb->refcount)) |
| 499 | fb = NULL; |
| 500 | } |
Daniel Vetter | 786b99e | 2012-12-02 21:53:40 +0100 | [diff] [blame] | 501 | mutex_unlock(&dev->mode_config.fb_lock); |
| 502 | |
| 503 | return fb; |
| 504 | } |
| 505 | EXPORT_SYMBOL(drm_framebuffer_lookup); |
| 506 | |
| 507 | /** |
Rob Clark | f7eff60 | 2012-09-05 21:48:38 +0000 | [diff] [blame] | 508 | * drm_framebuffer_unreference - unref a framebuffer |
Daniel Vetter | 065a50ed | 2012-12-02 00:09:18 +0100 | [diff] [blame] | 509 | * @fb: framebuffer to unref |
| 510 | * |
| 511 | * This functions decrements the fb's refcount and frees it if it drops to zero. |
Rob Clark | f7eff60 | 2012-09-05 21:48:38 +0000 | [diff] [blame] | 512 | */ |
| 513 | void drm_framebuffer_unreference(struct drm_framebuffer *fb) |
| 514 | { |
Rob Clark | 8291272 | 2014-03-18 10:07:08 -0400 | [diff] [blame] | 515 | DRM_DEBUG("%p: FB ID: %d (%d)\n", fb, fb->base.id, atomic_read(&fb->refcount.refcount)); |
Rob Clark | f7eff60 | 2012-09-05 21:48:38 +0000 | [diff] [blame] | 516 | kref_put(&fb->refcount, drm_framebuffer_free); |
| 517 | } |
| 518 | EXPORT_SYMBOL(drm_framebuffer_unreference); |
| 519 | |
| 520 | /** |
| 521 | * drm_framebuffer_reference - incr the fb refcnt |
Daniel Vetter | 065a50ed | 2012-12-02 00:09:18 +0100 | [diff] [blame] | 522 | * @fb: framebuffer |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 523 | * |
| 524 | * This functions increments the fb's refcount. |
Rob Clark | f7eff60 | 2012-09-05 21:48:38 +0000 | [diff] [blame] | 525 | */ |
| 526 | void drm_framebuffer_reference(struct drm_framebuffer *fb) |
| 527 | { |
Rob Clark | 8291272 | 2014-03-18 10:07:08 -0400 | [diff] [blame] | 528 | DRM_DEBUG("%p: FB ID: %d (%d)\n", fb, fb->base.id, atomic_read(&fb->refcount.refcount)); |
Rob Clark | f7eff60 | 2012-09-05 21:48:38 +0000 | [diff] [blame] | 529 | kref_get(&fb->refcount); |
| 530 | } |
| 531 | EXPORT_SYMBOL(drm_framebuffer_reference); |
| 532 | |
Daniel Vetter | 2b677e8 | 2012-12-10 21:16:05 +0100 | [diff] [blame] | 533 | static void drm_framebuffer_free_bug(struct kref *kref) |
| 534 | { |
| 535 | BUG(); |
| 536 | } |
| 537 | |
Daniel Vetter | 6c2a753 | 2012-12-11 00:59:24 +0100 | [diff] [blame] | 538 | static void __drm_framebuffer_unreference(struct drm_framebuffer *fb) |
| 539 | { |
Rob Clark | 8291272 | 2014-03-18 10:07:08 -0400 | [diff] [blame] | 540 | DRM_DEBUG("%p: FB ID: %d (%d)\n", fb, fb->base.id, atomic_read(&fb->refcount.refcount)); |
Daniel Vetter | 6c2a753 | 2012-12-11 00:59:24 +0100 | [diff] [blame] | 541 | kref_put(&fb->refcount, drm_framebuffer_free_bug); |
| 542 | } |
| 543 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 544 | /** |
Daniel Vetter | 3620636 | 2012-12-10 20:42:17 +0100 | [diff] [blame] | 545 | * drm_framebuffer_unregister_private - unregister a private fb from the lookup idr |
| 546 | * @fb: fb to unregister |
| 547 | * |
| 548 | * Drivers need to call this when cleaning up driver-private framebuffers, e.g. |
| 549 | * those used for fbdev. Note that the caller must hold a reference of it's own, |
| 550 | * i.e. the object may not be destroyed through this call (since it'll lead to a |
| 551 | * locking inversion). |
| 552 | */ |
| 553 | void drm_framebuffer_unregister_private(struct drm_framebuffer *fb) |
| 554 | { |
Daniel Vetter | 2b677e8 | 2012-12-10 21:16:05 +0100 | [diff] [blame] | 555 | struct drm_device *dev = fb->dev; |
| 556 | |
| 557 | mutex_lock(&dev->mode_config.fb_lock); |
| 558 | /* Mark fb as reaped and drop idr ref. */ |
| 559 | __drm_framebuffer_unregister(dev, fb); |
| 560 | mutex_unlock(&dev->mode_config.fb_lock); |
Daniel Vetter | 3620636 | 2012-12-10 20:42:17 +0100 | [diff] [blame] | 561 | } |
| 562 | EXPORT_SYMBOL(drm_framebuffer_unregister_private); |
| 563 | |
| 564 | /** |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 565 | * drm_framebuffer_cleanup - remove a framebuffer object |
| 566 | * @fb: framebuffer to remove |
| 567 | * |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 568 | * Cleanup framebuffer. This function is intended to be used from the drivers |
| 569 | * ->destroy callback. It can also be used to clean up driver private |
| 570 | * framebuffers embedded into a larger structure. |
Daniel Vetter | 3620636 | 2012-12-10 20:42:17 +0100 | [diff] [blame] | 571 | * |
| 572 | * Note that this function does not remove the fb from active usuage - if it is |
| 573 | * still used anywhere, hilarity can ensue since userspace could call getfb on |
| 574 | * the id and get back -EINVAL. Obviously no concern at driver unload time. |
| 575 | * |
| 576 | * Also, the framebuffer will not be removed from the lookup idr - for |
| 577 | * user-created framebuffers this will happen in in the rmfb ioctl. For |
| 578 | * driver-private objects (e.g. for fbdev) drivers need to explicitly call |
| 579 | * drm_framebuffer_unregister_private. |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 580 | */ |
| 581 | void drm_framebuffer_cleanup(struct drm_framebuffer *fb) |
| 582 | { |
| 583 | struct drm_device *dev = fb->dev; |
Daniel Vetter | 8faf6b1 | 2012-12-01 23:43:11 +0100 | [diff] [blame] | 584 | |
Daniel Vetter | 4b096ac | 2012-12-10 21:19:18 +0100 | [diff] [blame] | 585 | mutex_lock(&dev->mode_config.fb_lock); |
Rob Clark | f7eff60 | 2012-09-05 21:48:38 +0000 | [diff] [blame] | 586 | list_del(&fb->head); |
| 587 | dev->mode_config.num_fb--; |
Daniel Vetter | 4b096ac | 2012-12-10 21:19:18 +0100 | [diff] [blame] | 588 | mutex_unlock(&dev->mode_config.fb_lock); |
Rob Clark | f7eff60 | 2012-09-05 21:48:38 +0000 | [diff] [blame] | 589 | } |
| 590 | EXPORT_SYMBOL(drm_framebuffer_cleanup); |
| 591 | |
| 592 | /** |
| 593 | * drm_framebuffer_remove - remove and unreference a framebuffer object |
| 594 | * @fb: framebuffer to remove |
| 595 | * |
Rob Clark | f7eff60 | 2012-09-05 21:48:38 +0000 | [diff] [blame] | 596 | * Scans all the CRTCs and planes in @dev's mode_config. If they're |
Daniel Vetter | 3620636 | 2012-12-10 20:42:17 +0100 | [diff] [blame] | 597 | * using @fb, removes it, setting it to NULL. Then drops the reference to the |
Daniel Vetter | b62584e | 2012-12-11 16:51:35 +0100 | [diff] [blame] | 598 | * passed-in framebuffer. Might take the modeset locks. |
| 599 | * |
| 600 | * Note that this function optimizes the cleanup away if the caller holds the |
| 601 | * last reference to the framebuffer. It is also guaranteed to not take the |
| 602 | * modeset locks in this case. |
Rob Clark | f7eff60 | 2012-09-05 21:48:38 +0000 | [diff] [blame] | 603 | */ |
| 604 | void drm_framebuffer_remove(struct drm_framebuffer *fb) |
| 605 | { |
| 606 | struct drm_device *dev = fb->dev; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 607 | struct drm_crtc *crtc; |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 608 | struct drm_plane *plane; |
Dave Airlie | 5ef5f72 | 2009-08-17 13:11:23 +1000 | [diff] [blame] | 609 | struct drm_mode_set set; |
| 610 | int ret; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 611 | |
Daniel Vetter | 4b096ac | 2012-12-10 21:19:18 +0100 | [diff] [blame] | 612 | WARN_ON(!list_empty(&fb->filp_head)); |
Daniel Vetter | 8faf6b1 | 2012-12-01 23:43:11 +0100 | [diff] [blame] | 613 | |
Daniel Vetter | b62584e | 2012-12-11 16:51:35 +0100 | [diff] [blame] | 614 | /* |
| 615 | * drm ABI mandates that we remove any deleted framebuffers from active |
| 616 | * useage. But since most sane clients only remove framebuffers they no |
| 617 | * longer need, try to optimize this away. |
| 618 | * |
| 619 | * Since we're holding a reference ourselves, observing a refcount of 1 |
| 620 | * means that we're the last holder and can skip it. Also, the refcount |
| 621 | * can never increase from 1 again, so we don't need any barriers or |
| 622 | * locks. |
| 623 | * |
| 624 | * Note that userspace could try to race with use and instate a new |
| 625 | * usage _after_ we've cleared all current ones. End result will be an |
| 626 | * in-use fb with fb-id == 0. Userspace is allowed to shoot its own foot |
| 627 | * in this manner. |
| 628 | */ |
| 629 | if (atomic_read(&fb->refcount.refcount) > 1) { |
| 630 | drm_modeset_lock_all(dev); |
| 631 | /* remove from any CRTC */ |
| 632 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
Matt Roper | f4510a2 | 2014-04-01 15:22:40 -0700 | [diff] [blame] | 633 | if (crtc->primary->fb == fb) { |
Daniel Vetter | b62584e | 2012-12-11 16:51:35 +0100 | [diff] [blame] | 634 | /* should turn off the crtc */ |
| 635 | memset(&set, 0, sizeof(struct drm_mode_set)); |
| 636 | set.crtc = crtc; |
| 637 | set.fb = NULL; |
| 638 | ret = drm_mode_set_config_internal(&set); |
| 639 | if (ret) |
| 640 | DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc); |
| 641 | } |
Dave Airlie | 5ef5f72 | 2009-08-17 13:11:23 +1000 | [diff] [blame] | 642 | } |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 643 | |
Daniel Vetter | b62584e | 2012-12-11 16:51:35 +0100 | [diff] [blame] | 644 | list_for_each_entry(plane, &dev->mode_config.plane_list, head) { |
Ville Syrjälä | 9125e61 | 2013-06-03 16:10:40 +0300 | [diff] [blame] | 645 | if (plane->fb == fb) |
| 646 | drm_plane_force_disable(plane); |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 647 | } |
Daniel Vetter | b62584e | 2012-12-11 16:51:35 +0100 | [diff] [blame] | 648 | drm_modeset_unlock_all(dev); |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 649 | } |
| 650 | |
Rob Clark | f7eff60 | 2012-09-05 21:48:38 +0000 | [diff] [blame] | 651 | drm_framebuffer_unreference(fb); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 652 | } |
Rob Clark | f7eff60 | 2012-09-05 21:48:38 +0000 | [diff] [blame] | 653 | EXPORT_SYMBOL(drm_framebuffer_remove); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 654 | |
Rob Clark | 51fd371 | 2013-11-19 12:10:12 -0500 | [diff] [blame] | 655 | DEFINE_WW_CLASS(crtc_ww_class); |
| 656 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 657 | /** |
Matt Roper | e13161a | 2014-04-01 15:22:38 -0700 | [diff] [blame] | 658 | * drm_crtc_init_with_planes - Initialise a new CRTC object with |
| 659 | * specified primary and cursor planes. |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 660 | * @dev: DRM device |
| 661 | * @crtc: CRTC object to init |
Matt Roper | e13161a | 2014-04-01 15:22:38 -0700 | [diff] [blame] | 662 | * @primary: Primary plane for CRTC |
| 663 | * @cursor: Cursor plane for CRTC |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 664 | * @funcs: callbacks for the new CRTC |
| 665 | * |
Ville Syrjälä | ad6f5c3 | 2013-06-05 12:39:55 +0000 | [diff] [blame] | 666 | * Inits a new object created as base part of a driver crtc object. |
Ville Syrjälä | 6bfc56a | 2012-03-13 12:35:48 +0200 | [diff] [blame] | 667 | * |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 668 | * Returns: |
Ville Syrjälä | 6bfc56a | 2012-03-13 12:35:48 +0200 | [diff] [blame] | 669 | * Zero on success, error code on failure. |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 670 | */ |
Matt Roper | e13161a | 2014-04-01 15:22:38 -0700 | [diff] [blame] | 671 | int drm_crtc_init_with_planes(struct drm_device *dev, struct drm_crtc *crtc, |
| 672 | struct drm_plane *primary, |
Matt Roper | fc1d3e4 | 2014-06-10 08:28:11 -0700 | [diff] [blame] | 673 | struct drm_plane *cursor, |
Matt Roper | e13161a | 2014-04-01 15:22:38 -0700 | [diff] [blame] | 674 | const struct drm_crtc_funcs *funcs) |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 675 | { |
Rob Clark | 51fd371 | 2013-11-19 12:10:12 -0500 | [diff] [blame] | 676 | struct drm_mode_config *config = &dev->mode_config; |
Ville Syrjälä | 6bfc56a | 2012-03-13 12:35:48 +0200 | [diff] [blame] | 677 | int ret; |
| 678 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 679 | crtc->dev = dev; |
| 680 | crtc->funcs = funcs; |
Rob Clark | 7c80e12 | 2012-09-04 16:35:56 +0000 | [diff] [blame] | 681 | crtc->invert_dimensions = false; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 682 | |
Rob Clark | 51fd371 | 2013-11-19 12:10:12 -0500 | [diff] [blame] | 683 | drm_modeset_lock_init(&crtc->mutex); |
Ville Syrjälä | 6bfc56a | 2012-03-13 12:35:48 +0200 | [diff] [blame] | 684 | ret = drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC); |
| 685 | if (ret) |
Daniel Vetter | baf698b | 2014-11-12 11:59:47 +0100 | [diff] [blame] | 686 | return ret; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 687 | |
Paulo Zanoni | bffd9de0 | 2012-05-15 18:09:05 -0300 | [diff] [blame] | 688 | crtc->base.properties = &crtc->properties; |
| 689 | |
Rob Clark | 51fd371 | 2013-11-19 12:10:12 -0500 | [diff] [blame] | 690 | list_add_tail(&crtc->head, &config->crtc_list); |
| 691 | config->num_crtc++; |
Ville Syrjälä | 6bfc56a | 2012-03-13 12:35:48 +0200 | [diff] [blame] | 692 | |
Matt Roper | e13161a | 2014-04-01 15:22:38 -0700 | [diff] [blame] | 693 | crtc->primary = primary; |
Matt Roper | fc1d3e4 | 2014-06-10 08:28:11 -0700 | [diff] [blame] | 694 | crtc->cursor = cursor; |
Matt Roper | e13161a | 2014-04-01 15:22:38 -0700 | [diff] [blame] | 695 | if (primary) |
| 696 | primary->possible_crtcs = 1 << drm_crtc_index(crtc); |
Matt Roper | fc1d3e4 | 2014-06-10 08:28:11 -0700 | [diff] [blame] | 697 | if (cursor) |
| 698 | cursor->possible_crtcs = 1 << drm_crtc_index(crtc); |
Matt Roper | e13161a | 2014-04-01 15:22:38 -0700 | [diff] [blame] | 699 | |
Daniel Vetter | baf698b | 2014-11-12 11:59:47 +0100 | [diff] [blame] | 700 | return 0; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 701 | } |
Matt Roper | e13161a | 2014-04-01 15:22:38 -0700 | [diff] [blame] | 702 | EXPORT_SYMBOL(drm_crtc_init_with_planes); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 703 | |
| 704 | /** |
Ville Syrjälä | ad6f5c3 | 2013-06-05 12:39:55 +0000 | [diff] [blame] | 705 | * drm_crtc_cleanup - Clean up the core crtc usage |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 706 | * @crtc: CRTC to cleanup |
| 707 | * |
Ville Syrjälä | ad6f5c3 | 2013-06-05 12:39:55 +0000 | [diff] [blame] | 708 | * This function cleans up @crtc and removes it from the DRM mode setting |
| 709 | * core. Note that the function does *not* free the crtc structure itself, |
| 710 | * this is the responsibility of the caller. |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 711 | */ |
| 712 | void drm_crtc_cleanup(struct drm_crtc *crtc) |
| 713 | { |
| 714 | struct drm_device *dev = crtc->dev; |
| 715 | |
Sachin Kamat | 9e1c156 | 2012-11-19 09:44:56 +0000 | [diff] [blame] | 716 | kfree(crtc->gamma_store); |
| 717 | crtc->gamma_store = NULL; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 718 | |
Rob Clark | 51fd371 | 2013-11-19 12:10:12 -0500 | [diff] [blame] | 719 | drm_modeset_lock_fini(&crtc->mutex); |
| 720 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 721 | drm_mode_object_put(dev, &crtc->base); |
| 722 | list_del(&crtc->head); |
| 723 | dev->mode_config.num_crtc--; |
Thierry Reding | 3009c03 | 2014-11-25 12:09:49 +0100 | [diff] [blame] | 724 | |
| 725 | WARN_ON(crtc->state && !crtc->funcs->atomic_destroy_state); |
| 726 | if (crtc->state && crtc->funcs->atomic_destroy_state) |
| 727 | crtc->funcs->atomic_destroy_state(crtc, crtc->state); |
Thierry Reding | a18c0af | 2014-12-10 11:38:49 +0100 | [diff] [blame] | 728 | |
| 729 | memset(crtc, 0, sizeof(*crtc)); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 730 | } |
| 731 | EXPORT_SYMBOL(drm_crtc_cleanup); |
| 732 | |
| 733 | /** |
Russell King | db5f7a6 | 2014-01-02 21:27:33 +0000 | [diff] [blame] | 734 | * drm_crtc_index - find the index of a registered CRTC |
| 735 | * @crtc: CRTC to find index for |
| 736 | * |
| 737 | * Given a registered CRTC, return the index of that CRTC within a DRM |
| 738 | * device's list of CRTCs. |
| 739 | */ |
| 740 | unsigned int drm_crtc_index(struct drm_crtc *crtc) |
| 741 | { |
| 742 | unsigned int index = 0; |
| 743 | struct drm_crtc *tmp; |
| 744 | |
| 745 | list_for_each_entry(tmp, &crtc->dev->mode_config.crtc_list, head) { |
| 746 | if (tmp == crtc) |
| 747 | return index; |
| 748 | |
| 749 | index++; |
| 750 | } |
| 751 | |
| 752 | BUG(); |
| 753 | } |
| 754 | EXPORT_SYMBOL(drm_crtc_index); |
| 755 | |
Lespiau, Damien | 86f422d | 2013-08-20 00:53:06 +0100 | [diff] [blame] | 756 | /* |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 757 | * drm_mode_remove - remove and free a mode |
| 758 | * @connector: connector list to modify |
| 759 | * @mode: mode to remove |
| 760 | * |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 761 | * Remove @mode from @connector's mode list, then free it. |
| 762 | */ |
Lespiau, Damien | 86f422d | 2013-08-20 00:53:06 +0100 | [diff] [blame] | 763 | static void drm_mode_remove(struct drm_connector *connector, |
| 764 | struct drm_display_mode *mode) |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 765 | { |
| 766 | list_del(&mode->head); |
Sascha Hauer | 554f1d7 | 2012-02-01 11:38:19 +0100 | [diff] [blame] | 767 | drm_mode_destroy(connector->dev, mode); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 768 | } |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 769 | |
| 770 | /** |
Chris Wilson | eaf99c7 | 2014-08-06 10:08:32 +0200 | [diff] [blame] | 771 | * drm_connector_get_cmdline_mode - reads the user's cmdline mode |
| 772 | * @connector: connector to quwery |
Chris Wilson | eaf99c7 | 2014-08-06 10:08:32 +0200 | [diff] [blame] | 773 | * |
| 774 | * The kernel supports per-connector configration of its consoles through |
| 775 | * use of the video= parameter. This function parses that option and |
| 776 | * extracts the user's specified mode (or enable/disable status) for a |
| 777 | * particular connector. This is typically only used during the early fbdev |
| 778 | * setup. |
| 779 | */ |
| 780 | static void drm_connector_get_cmdline_mode(struct drm_connector *connector) |
| 781 | { |
| 782 | struct drm_cmdline_mode *mode = &connector->cmdline_mode; |
| 783 | char *option = NULL; |
| 784 | |
| 785 | if (fb_get_options(connector->name, &option)) |
| 786 | return; |
| 787 | |
| 788 | if (!drm_mode_parse_command_line_for_connector(option, |
| 789 | connector, |
| 790 | mode)) |
| 791 | return; |
| 792 | |
| 793 | if (mode->force) { |
| 794 | const char *s; |
| 795 | |
| 796 | switch (mode->force) { |
| 797 | case DRM_FORCE_OFF: |
| 798 | s = "OFF"; |
| 799 | break; |
| 800 | case DRM_FORCE_ON_DIGITAL: |
| 801 | s = "ON - dig"; |
| 802 | break; |
| 803 | default: |
| 804 | case DRM_FORCE_ON: |
| 805 | s = "ON"; |
| 806 | break; |
| 807 | } |
| 808 | |
| 809 | DRM_INFO("forcing %s connector %s\n", connector->name, s); |
| 810 | connector->force = mode->force; |
| 811 | } |
| 812 | |
| 813 | DRM_DEBUG_KMS("cmdline mode for connector %s %dx%d@%dHz%s%s%s\n", |
| 814 | connector->name, |
| 815 | mode->xres, mode->yres, |
| 816 | mode->refresh_specified ? mode->refresh : 60, |
| 817 | mode->rb ? " reduced blanking" : "", |
| 818 | mode->margins ? " with margins" : "", |
| 819 | mode->interlace ? " interlaced" : ""); |
| 820 | } |
| 821 | |
| 822 | /** |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 823 | * drm_connector_init - Init a preallocated connector |
| 824 | * @dev: DRM device |
| 825 | * @connector: the connector to init |
| 826 | * @funcs: callbacks for this connector |
Daniel Vetter | 065a50ed | 2012-12-02 00:09:18 +0100 | [diff] [blame] | 827 | * @connector_type: user visible type of the connector |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 828 | * |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 829 | * Initialises a preallocated connector. Connectors should be |
| 830 | * subclassed as part of driver connector objects. |
Ville Syrjälä | 6bfc56a | 2012-03-13 12:35:48 +0200 | [diff] [blame] | 831 | * |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 832 | * Returns: |
Ville Syrjälä | 6bfc56a | 2012-03-13 12:35:48 +0200 | [diff] [blame] | 833 | * Zero on success, error code on failure. |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 834 | */ |
Ville Syrjälä | 6bfc56a | 2012-03-13 12:35:48 +0200 | [diff] [blame] | 835 | int drm_connector_init(struct drm_device *dev, |
| 836 | struct drm_connector *connector, |
| 837 | const struct drm_connector_funcs *funcs, |
| 838 | int connector_type) |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 839 | { |
Ville Syrjälä | 6bfc56a | 2012-03-13 12:35:48 +0200 | [diff] [blame] | 840 | int ret; |
Ilia Mirkin | b21e3af | 2013-08-07 22:34:48 -0400 | [diff] [blame] | 841 | struct ida *connector_ida = |
| 842 | &drm_connector_enum_list[connector_type].ida; |
Ville Syrjälä | 6bfc56a | 2012-03-13 12:35:48 +0200 | [diff] [blame] | 843 | |
Daniel Vetter | 8484990 | 2012-12-02 00:28:11 +0100 | [diff] [blame] | 844 | drm_modeset_lock_all(dev); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 845 | |
Dave Airlie | 2ee3945 | 2014-07-24 11:53:45 +1000 | [diff] [blame] | 846 | ret = drm_mode_object_get_reg(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR, false); |
Ville Syrjälä | 6bfc56a | 2012-03-13 12:35:48 +0200 | [diff] [blame] | 847 | if (ret) |
Jani Nikula | 2abdd31 | 2014-05-14 16:58:19 +0300 | [diff] [blame] | 848 | goto out_unlock; |
Ville Syrjälä | 6bfc56a | 2012-03-13 12:35:48 +0200 | [diff] [blame] | 849 | |
Paulo Zanoni | 7e3bdf4 | 2012-05-15 18:09:01 -0300 | [diff] [blame] | 850 | connector->base.properties = &connector->properties; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 851 | connector->dev = dev; |
| 852 | connector->funcs = funcs; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 853 | connector->connector_type = connector_type; |
| 854 | connector->connector_type_id = |
Ilia Mirkin | b21e3af | 2013-08-07 22:34:48 -0400 | [diff] [blame] | 855 | ida_simple_get(connector_ida, 1, 0, GFP_KERNEL); |
| 856 | if (connector->connector_type_id < 0) { |
| 857 | ret = connector->connector_type_id; |
Jani Nikula | 2abdd31 | 2014-05-14 16:58:19 +0300 | [diff] [blame] | 858 | goto out_put; |
Ilia Mirkin | b21e3af | 2013-08-07 22:34:48 -0400 | [diff] [blame] | 859 | } |
Jani Nikula | 2abdd31 | 2014-05-14 16:58:19 +0300 | [diff] [blame] | 860 | connector->name = |
| 861 | kasprintf(GFP_KERNEL, "%s-%d", |
| 862 | drm_connector_enum_list[connector_type].name, |
| 863 | connector->connector_type_id); |
| 864 | if (!connector->name) { |
| 865 | ret = -ENOMEM; |
| 866 | goto out_put; |
| 867 | } |
| 868 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 869 | INIT_LIST_HEAD(&connector->probed_modes); |
| 870 | INIT_LIST_HEAD(&connector->modes); |
| 871 | connector->edid_blob_ptr = NULL; |
Daniel Vetter | 5e2cb2f | 2012-10-23 18:23:35 +0000 | [diff] [blame] | 872 | connector->status = connector_status_unknown; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 873 | |
Chris Wilson | eaf99c7 | 2014-08-06 10:08:32 +0200 | [diff] [blame] | 874 | drm_connector_get_cmdline_mode(connector); |
| 875 | |
Daniel Vetter | c7eb76f | 2014-11-19 18:38:06 +0100 | [diff] [blame] | 876 | /* We should add connectors at the end to avoid upsetting the connector |
| 877 | * index too much. */ |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 878 | list_add_tail(&connector->head, &dev->mode_config.connector_list); |
| 879 | dev->mode_config.num_connector++; |
| 880 | |
Thomas Hellstrom | a7331e5 | 2011-10-22 10:36:19 +0200 | [diff] [blame] | 881 | if (connector_type != DRM_MODE_CONNECTOR_VIRTUAL) |
Rob Clark | 5849556 | 2012-10-11 20:50:56 -0500 | [diff] [blame] | 882 | drm_object_attach_property(&connector->base, |
Thomas Hellstrom | a7331e5 | 2011-10-22 10:36:19 +0200 | [diff] [blame] | 883 | dev->mode_config.edid_property, |
| 884 | 0); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 885 | |
Rob Clark | 5849556 | 2012-10-11 20:50:56 -0500 | [diff] [blame] | 886 | drm_object_attach_property(&connector->base, |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 887 | dev->mode_config.dpms_property, 0); |
| 888 | |
Thomas Wood | 30f6570 | 2014-06-18 17:52:32 +0100 | [diff] [blame] | 889 | connector->debugfs_entry = NULL; |
| 890 | |
Jani Nikula | 2abdd31 | 2014-05-14 16:58:19 +0300 | [diff] [blame] | 891 | out_put: |
| 892 | if (ret) |
| 893 | drm_mode_object_put(dev, &connector->base); |
| 894 | |
| 895 | out_unlock: |
Daniel Vetter | 8484990 | 2012-12-02 00:28:11 +0100 | [diff] [blame] | 896 | drm_modeset_unlock_all(dev); |
Ville Syrjälä | 6bfc56a | 2012-03-13 12:35:48 +0200 | [diff] [blame] | 897 | |
| 898 | return ret; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 899 | } |
| 900 | EXPORT_SYMBOL(drm_connector_init); |
| 901 | |
| 902 | /** |
| 903 | * drm_connector_cleanup - cleans up an initialised connector |
| 904 | * @connector: connector to cleanup |
| 905 | * |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 906 | * Cleans up the connector but doesn't free the object. |
| 907 | */ |
| 908 | void drm_connector_cleanup(struct drm_connector *connector) |
| 909 | { |
| 910 | struct drm_device *dev = connector->dev; |
| 911 | struct drm_display_mode *mode, *t; |
| 912 | |
Dave Airlie | 40d9b04 | 2014-10-20 16:29:33 +1000 | [diff] [blame] | 913 | if (connector->tile_group) { |
| 914 | drm_mode_put_tile_group(dev, connector->tile_group); |
| 915 | connector->tile_group = NULL; |
| 916 | } |
| 917 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 918 | list_for_each_entry_safe(mode, t, &connector->probed_modes, head) |
| 919 | drm_mode_remove(connector, mode); |
| 920 | |
| 921 | list_for_each_entry_safe(mode, t, &connector->modes, head) |
| 922 | drm_mode_remove(connector, mode); |
| 923 | |
Ilia Mirkin | b21e3af | 2013-08-07 22:34:48 -0400 | [diff] [blame] | 924 | ida_remove(&drm_connector_enum_list[connector->connector_type].ida, |
| 925 | connector->connector_type_id); |
| 926 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 927 | drm_mode_object_put(dev, &connector->base); |
Jani Nikula | 2abdd31 | 2014-05-14 16:58:19 +0300 | [diff] [blame] | 928 | kfree(connector->name); |
| 929 | connector->name = NULL; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 930 | list_del(&connector->head); |
Joonyoung Shim | 6380c50 | 2011-08-27 02:06:21 +0000 | [diff] [blame] | 931 | dev->mode_config.num_connector--; |
Thierry Reding | 3009c03 | 2014-11-25 12:09:49 +0100 | [diff] [blame] | 932 | |
| 933 | WARN_ON(connector->state && !connector->funcs->atomic_destroy_state); |
| 934 | if (connector->state && connector->funcs->atomic_destroy_state) |
| 935 | connector->funcs->atomic_destroy_state(connector, |
| 936 | connector->state); |
Thierry Reding | a18c0af | 2014-12-10 11:38:49 +0100 | [diff] [blame] | 937 | |
| 938 | memset(connector, 0, sizeof(*connector)); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 939 | } |
| 940 | EXPORT_SYMBOL(drm_connector_cleanup); |
| 941 | |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 942 | /** |
Daniel Vetter | 10f637b | 2014-07-29 13:47:11 +0200 | [diff] [blame] | 943 | * drm_connector_index - find the index of a registered connector |
| 944 | * @connector: connector to find index for |
| 945 | * |
| 946 | * Given a registered connector, return the index of that connector within a DRM |
| 947 | * device's list of connectors. |
| 948 | */ |
| 949 | unsigned int drm_connector_index(struct drm_connector *connector) |
| 950 | { |
| 951 | unsigned int index = 0; |
| 952 | struct drm_connector *tmp; |
Daniel Vetter | c7eb76f | 2014-11-19 18:38:06 +0100 | [diff] [blame] | 953 | struct drm_mode_config *config = &connector->dev->mode_config; |
| 954 | |
| 955 | WARN_ON(!drm_modeset_is_locked(&config->connection_mutex)); |
Daniel Vetter | 10f637b | 2014-07-29 13:47:11 +0200 | [diff] [blame] | 956 | |
| 957 | list_for_each_entry(tmp, &connector->dev->mode_config.connector_list, head) { |
| 958 | if (tmp == connector) |
| 959 | return index; |
| 960 | |
| 961 | index++; |
| 962 | } |
| 963 | |
| 964 | BUG(); |
| 965 | } |
| 966 | EXPORT_SYMBOL(drm_connector_index); |
| 967 | |
| 968 | /** |
Thomas Wood | 34ea3d3 | 2014-05-29 16:57:41 +0100 | [diff] [blame] | 969 | * drm_connector_register - register a connector |
| 970 | * @connector: the connector to register |
| 971 | * |
| 972 | * Register userspace interfaces for a connector |
| 973 | * |
| 974 | * Returns: |
| 975 | * Zero on success, error code on failure. |
| 976 | */ |
| 977 | int drm_connector_register(struct drm_connector *connector) |
| 978 | { |
Thomas Wood | 30f6570 | 2014-06-18 17:52:32 +0100 | [diff] [blame] | 979 | int ret; |
| 980 | |
Dave Airlie | 2ee3945 | 2014-07-24 11:53:45 +1000 | [diff] [blame] | 981 | drm_mode_object_register(connector->dev, &connector->base); |
| 982 | |
Thomas Wood | 30f6570 | 2014-06-18 17:52:32 +0100 | [diff] [blame] | 983 | ret = drm_sysfs_connector_add(connector); |
| 984 | if (ret) |
| 985 | return ret; |
| 986 | |
| 987 | ret = drm_debugfs_connector_add(connector); |
| 988 | if (ret) { |
| 989 | drm_sysfs_connector_remove(connector); |
| 990 | return ret; |
| 991 | } |
| 992 | |
| 993 | return 0; |
Thomas Wood | 34ea3d3 | 2014-05-29 16:57:41 +0100 | [diff] [blame] | 994 | } |
| 995 | EXPORT_SYMBOL(drm_connector_register); |
| 996 | |
| 997 | /** |
| 998 | * drm_connector_unregister - unregister a connector |
| 999 | * @connector: the connector to unregister |
| 1000 | * |
| 1001 | * Unregister userspace interfaces for a connector |
| 1002 | */ |
| 1003 | void drm_connector_unregister(struct drm_connector *connector) |
| 1004 | { |
| 1005 | drm_sysfs_connector_remove(connector); |
Thomas Wood | 30f6570 | 2014-06-18 17:52:32 +0100 | [diff] [blame] | 1006 | drm_debugfs_connector_remove(connector); |
Thomas Wood | 34ea3d3 | 2014-05-29 16:57:41 +0100 | [diff] [blame] | 1007 | } |
| 1008 | EXPORT_SYMBOL(drm_connector_unregister); |
| 1009 | |
| 1010 | |
| 1011 | /** |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 1012 | * drm_connector_unplug_all - unregister connector userspace interfaces |
| 1013 | * @dev: drm device |
| 1014 | * |
| 1015 | * This function unregisters all connector userspace interfaces in sysfs. Should |
| 1016 | * be call when the device is disconnected, e.g. from an usb driver's |
| 1017 | * ->disconnect callback. |
| 1018 | */ |
Dave Airlie | cbc7e22 | 2012-02-20 14:16:40 +0000 | [diff] [blame] | 1019 | void drm_connector_unplug_all(struct drm_device *dev) |
| 1020 | { |
| 1021 | struct drm_connector *connector; |
| 1022 | |
| 1023 | /* taking the mode config mutex ends up in a clash with sysfs */ |
| 1024 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) |
Thomas Wood | 34ea3d3 | 2014-05-29 16:57:41 +0100 | [diff] [blame] | 1025 | drm_connector_unregister(connector); |
Dave Airlie | cbc7e22 | 2012-02-20 14:16:40 +0000 | [diff] [blame] | 1026 | |
| 1027 | } |
| 1028 | EXPORT_SYMBOL(drm_connector_unplug_all); |
| 1029 | |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 1030 | /** |
| 1031 | * drm_bridge_init - initialize a drm transcoder/bridge |
| 1032 | * @dev: drm device |
| 1033 | * @bridge: transcoder/bridge to set up |
| 1034 | * @funcs: bridge function table |
| 1035 | * |
| 1036 | * Initialises a preallocated bridge. Bridges should be |
| 1037 | * subclassed as part of driver connector objects. |
| 1038 | * |
| 1039 | * Returns: |
| 1040 | * Zero on success, error code on failure. |
| 1041 | */ |
Sean Paul | 3b336ec | 2013-08-14 16:47:37 -0400 | [diff] [blame] | 1042 | int drm_bridge_init(struct drm_device *dev, struct drm_bridge *bridge, |
| 1043 | const struct drm_bridge_funcs *funcs) |
| 1044 | { |
| 1045 | int ret; |
| 1046 | |
| 1047 | drm_modeset_lock_all(dev); |
| 1048 | |
| 1049 | ret = drm_mode_object_get(dev, &bridge->base, DRM_MODE_OBJECT_BRIDGE); |
| 1050 | if (ret) |
| 1051 | goto out; |
| 1052 | |
| 1053 | bridge->dev = dev; |
| 1054 | bridge->funcs = funcs; |
| 1055 | |
| 1056 | list_add_tail(&bridge->head, &dev->mode_config.bridge_list); |
| 1057 | dev->mode_config.num_bridge++; |
| 1058 | |
| 1059 | out: |
| 1060 | drm_modeset_unlock_all(dev); |
| 1061 | return ret; |
| 1062 | } |
| 1063 | EXPORT_SYMBOL(drm_bridge_init); |
| 1064 | |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 1065 | /** |
| 1066 | * drm_bridge_cleanup - cleans up an initialised bridge |
| 1067 | * @bridge: bridge to cleanup |
| 1068 | * |
| 1069 | * Cleans up the bridge but doesn't free the object. |
| 1070 | */ |
Sean Paul | 3b336ec | 2013-08-14 16:47:37 -0400 | [diff] [blame] | 1071 | void drm_bridge_cleanup(struct drm_bridge *bridge) |
| 1072 | { |
| 1073 | struct drm_device *dev = bridge->dev; |
| 1074 | |
| 1075 | drm_modeset_lock_all(dev); |
| 1076 | drm_mode_object_put(dev, &bridge->base); |
| 1077 | list_del(&bridge->head); |
| 1078 | dev->mode_config.num_bridge--; |
| 1079 | drm_modeset_unlock_all(dev); |
Thierry Reding | a18c0af | 2014-12-10 11:38:49 +0100 | [diff] [blame] | 1080 | |
| 1081 | memset(bridge, 0, sizeof(*bridge)); |
Sean Paul | 3b336ec | 2013-08-14 16:47:37 -0400 | [diff] [blame] | 1082 | } |
| 1083 | EXPORT_SYMBOL(drm_bridge_cleanup); |
| 1084 | |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 1085 | /** |
| 1086 | * drm_encoder_init - Init a preallocated encoder |
| 1087 | * @dev: drm device |
| 1088 | * @encoder: the encoder to init |
| 1089 | * @funcs: callbacks for this encoder |
| 1090 | * @encoder_type: user visible type of the encoder |
| 1091 | * |
| 1092 | * Initialises a preallocated encoder. Encoder should be |
| 1093 | * subclassed as part of driver encoder objects. |
| 1094 | * |
| 1095 | * Returns: |
| 1096 | * Zero on success, error code on failure. |
| 1097 | */ |
Ville Syrjälä | 6bfc56a | 2012-03-13 12:35:48 +0200 | [diff] [blame] | 1098 | int drm_encoder_init(struct drm_device *dev, |
Dave Airlie | cbc7e22 | 2012-02-20 14:16:40 +0000 | [diff] [blame] | 1099 | struct drm_encoder *encoder, |
| 1100 | const struct drm_encoder_funcs *funcs, |
| 1101 | int encoder_type) |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1102 | { |
Ville Syrjälä | 6bfc56a | 2012-03-13 12:35:48 +0200 | [diff] [blame] | 1103 | int ret; |
| 1104 | |
Daniel Vetter | 8484990 | 2012-12-02 00:28:11 +0100 | [diff] [blame] | 1105 | drm_modeset_lock_all(dev); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1106 | |
Ville Syrjälä | 6bfc56a | 2012-03-13 12:35:48 +0200 | [diff] [blame] | 1107 | ret = drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER); |
| 1108 | if (ret) |
Jani Nikula | e574894 | 2014-05-14 16:58:20 +0300 | [diff] [blame] | 1109 | goto out_unlock; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1110 | |
Ville Syrjälä | 6bfc56a | 2012-03-13 12:35:48 +0200 | [diff] [blame] | 1111 | encoder->dev = dev; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1112 | encoder->encoder_type = encoder_type; |
| 1113 | encoder->funcs = funcs; |
Jani Nikula | e574894 | 2014-05-14 16:58:20 +0300 | [diff] [blame] | 1114 | encoder->name = kasprintf(GFP_KERNEL, "%s-%d", |
| 1115 | drm_encoder_enum_list[encoder_type].name, |
| 1116 | encoder->base.id); |
| 1117 | if (!encoder->name) { |
| 1118 | ret = -ENOMEM; |
| 1119 | goto out_put; |
| 1120 | } |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1121 | |
| 1122 | list_add_tail(&encoder->head, &dev->mode_config.encoder_list); |
| 1123 | dev->mode_config.num_encoder++; |
| 1124 | |
Jani Nikula | e574894 | 2014-05-14 16:58:20 +0300 | [diff] [blame] | 1125 | out_put: |
| 1126 | if (ret) |
| 1127 | drm_mode_object_put(dev, &encoder->base); |
| 1128 | |
| 1129 | out_unlock: |
Daniel Vetter | 8484990 | 2012-12-02 00:28:11 +0100 | [diff] [blame] | 1130 | drm_modeset_unlock_all(dev); |
Ville Syrjälä | 6bfc56a | 2012-03-13 12:35:48 +0200 | [diff] [blame] | 1131 | |
| 1132 | return ret; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1133 | } |
| 1134 | EXPORT_SYMBOL(drm_encoder_init); |
| 1135 | |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 1136 | /** |
| 1137 | * drm_encoder_cleanup - cleans up an initialised encoder |
| 1138 | * @encoder: encoder to cleanup |
| 1139 | * |
| 1140 | * Cleans up the encoder but doesn't free the object. |
| 1141 | */ |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1142 | void drm_encoder_cleanup(struct drm_encoder *encoder) |
| 1143 | { |
| 1144 | struct drm_device *dev = encoder->dev; |
Daniel Vetter | 8484990 | 2012-12-02 00:28:11 +0100 | [diff] [blame] | 1145 | drm_modeset_lock_all(dev); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1146 | drm_mode_object_put(dev, &encoder->base); |
Jani Nikula | e574894 | 2014-05-14 16:58:20 +0300 | [diff] [blame] | 1147 | kfree(encoder->name); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1148 | list_del(&encoder->head); |
Joonyoung Shim | 6380c50 | 2011-08-27 02:06:21 +0000 | [diff] [blame] | 1149 | dev->mode_config.num_encoder--; |
Daniel Vetter | 8484990 | 2012-12-02 00:28:11 +0100 | [diff] [blame] | 1150 | drm_modeset_unlock_all(dev); |
Thierry Reding | a18c0af | 2014-12-10 11:38:49 +0100 | [diff] [blame] | 1151 | |
| 1152 | memset(encoder, 0, sizeof(*encoder)); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1153 | } |
| 1154 | EXPORT_SYMBOL(drm_encoder_cleanup); |
| 1155 | |
Ville Syrjälä | 35f2c3a | 2013-06-05 15:39:56 +0300 | [diff] [blame] | 1156 | /** |
Matt Roper | dc415ff | 2014-04-01 15:22:36 -0700 | [diff] [blame] | 1157 | * drm_universal_plane_init - Initialize a new universal plane object |
Ville Syrjälä | 35f2c3a | 2013-06-05 15:39:56 +0300 | [diff] [blame] | 1158 | * @dev: DRM device |
| 1159 | * @plane: plane object to init |
| 1160 | * @possible_crtcs: bitmask of possible CRTCs |
| 1161 | * @funcs: callbacks for the new plane |
| 1162 | * @formats: array of supported formats (%DRM_FORMAT_*) |
| 1163 | * @format_count: number of elements in @formats |
Matt Roper | dc415ff | 2014-04-01 15:22:36 -0700 | [diff] [blame] | 1164 | * @type: type of plane (overlay, primary, cursor) |
Ville Syrjälä | 35f2c3a | 2013-06-05 15:39:56 +0300 | [diff] [blame] | 1165 | * |
Matt Roper | dc415ff | 2014-04-01 15:22:36 -0700 | [diff] [blame] | 1166 | * Initializes a plane object of type @type. |
Ville Syrjälä | 35f2c3a | 2013-06-05 15:39:56 +0300 | [diff] [blame] | 1167 | * |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 1168 | * Returns: |
Ville Syrjälä | 35f2c3a | 2013-06-05 15:39:56 +0300 | [diff] [blame] | 1169 | * Zero on success, error code on failure. |
| 1170 | */ |
Matt Roper | dc415ff | 2014-04-01 15:22:36 -0700 | [diff] [blame] | 1171 | int drm_universal_plane_init(struct drm_device *dev, struct drm_plane *plane, |
| 1172 | unsigned long possible_crtcs, |
| 1173 | const struct drm_plane_funcs *funcs, |
| 1174 | const uint32_t *formats, uint32_t format_count, |
| 1175 | enum drm_plane_type type) |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 1176 | { |
Ville Syrjälä | 6bfc56a | 2012-03-13 12:35:48 +0200 | [diff] [blame] | 1177 | int ret; |
| 1178 | |
Ville Syrjälä | 6bfc56a | 2012-03-13 12:35:48 +0200 | [diff] [blame] | 1179 | ret = drm_mode_object_get(dev, &plane->base, DRM_MODE_OBJECT_PLANE); |
| 1180 | if (ret) |
Daniel Vetter | baf698b | 2014-11-12 11:59:47 +0100 | [diff] [blame] | 1181 | return ret; |
Ville Syrjälä | 6bfc56a | 2012-03-13 12:35:48 +0200 | [diff] [blame] | 1182 | |
Daniel Vetter | 4d02e2d | 2014-11-11 10:12:00 +0100 | [diff] [blame] | 1183 | drm_modeset_lock_init(&plane->mutex); |
| 1184 | |
Rob Clark | 4d93914 | 2012-05-17 02:23:27 -0600 | [diff] [blame] | 1185 | plane->base.properties = &plane->properties; |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 1186 | plane->dev = dev; |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 1187 | plane->funcs = funcs; |
| 1188 | plane->format_types = kmalloc(sizeof(uint32_t) * format_count, |
| 1189 | GFP_KERNEL); |
| 1190 | if (!plane->format_types) { |
| 1191 | DRM_DEBUG_KMS("out of memory when allocating plane\n"); |
| 1192 | drm_mode_object_put(dev, &plane->base); |
Daniel Vetter | baf698b | 2014-11-12 11:59:47 +0100 | [diff] [blame] | 1193 | return -ENOMEM; |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 1194 | } |
| 1195 | |
Jesse Barnes | 308e5bc | 2011-11-14 14:51:28 -0800 | [diff] [blame] | 1196 | memcpy(plane->format_types, formats, format_count * sizeof(uint32_t)); |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 1197 | plane->format_count = format_count; |
| 1198 | plane->possible_crtcs = possible_crtcs; |
Matt Roper | dc415ff | 2014-04-01 15:22:36 -0700 | [diff] [blame] | 1199 | plane->type = type; |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 1200 | |
Matt Roper | dc415ff | 2014-04-01 15:22:36 -0700 | [diff] [blame] | 1201 | list_add_tail(&plane->head, &dev->mode_config.plane_list); |
| 1202 | dev->mode_config.num_total_plane++; |
| 1203 | if (plane->type == DRM_PLANE_TYPE_OVERLAY) |
| 1204 | dev->mode_config.num_overlay_plane++; |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 1205 | |
Rob Clark | 9922ab5 | 2014-04-01 20:16:57 -0400 | [diff] [blame] | 1206 | drm_object_attach_property(&plane->base, |
| 1207 | dev->mode_config.plane_type_property, |
| 1208 | plane->type); |
| 1209 | |
Daniel Vetter | baf698b | 2014-11-12 11:59:47 +0100 | [diff] [blame] | 1210 | return 0; |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 1211 | } |
Matt Roper | dc415ff | 2014-04-01 15:22:36 -0700 | [diff] [blame] | 1212 | EXPORT_SYMBOL(drm_universal_plane_init); |
| 1213 | |
| 1214 | /** |
| 1215 | * drm_plane_init - Initialize a legacy plane |
| 1216 | * @dev: DRM device |
| 1217 | * @plane: plane object to init |
| 1218 | * @possible_crtcs: bitmask of possible CRTCs |
| 1219 | * @funcs: callbacks for the new plane |
| 1220 | * @formats: array of supported formats (%DRM_FORMAT_*) |
| 1221 | * @format_count: number of elements in @formats |
| 1222 | * @is_primary: plane type (primary vs overlay) |
| 1223 | * |
| 1224 | * Legacy API to initialize a DRM plane. |
| 1225 | * |
| 1226 | * New drivers should call drm_universal_plane_init() instead. |
| 1227 | * |
| 1228 | * Returns: |
| 1229 | * Zero on success, error code on failure. |
| 1230 | */ |
| 1231 | int drm_plane_init(struct drm_device *dev, struct drm_plane *plane, |
| 1232 | unsigned long possible_crtcs, |
| 1233 | const struct drm_plane_funcs *funcs, |
| 1234 | const uint32_t *formats, uint32_t format_count, |
| 1235 | bool is_primary) |
| 1236 | { |
| 1237 | enum drm_plane_type type; |
| 1238 | |
| 1239 | type = is_primary ? DRM_PLANE_TYPE_PRIMARY : DRM_PLANE_TYPE_OVERLAY; |
| 1240 | return drm_universal_plane_init(dev, plane, possible_crtcs, funcs, |
| 1241 | formats, format_count, type); |
| 1242 | } |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 1243 | EXPORT_SYMBOL(drm_plane_init); |
| 1244 | |
Ville Syrjälä | 35f2c3a | 2013-06-05 15:39:56 +0300 | [diff] [blame] | 1245 | /** |
| 1246 | * drm_plane_cleanup - Clean up the core plane usage |
| 1247 | * @plane: plane to cleanup |
| 1248 | * |
| 1249 | * This function cleans up @plane and removes it from the DRM mode setting |
| 1250 | * core. Note that the function does *not* free the plane structure itself, |
| 1251 | * this is the responsibility of the caller. |
| 1252 | */ |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 1253 | void drm_plane_cleanup(struct drm_plane *plane) |
| 1254 | { |
| 1255 | struct drm_device *dev = plane->dev; |
| 1256 | |
Daniel Vetter | 8484990 | 2012-12-02 00:28:11 +0100 | [diff] [blame] | 1257 | drm_modeset_lock_all(dev); |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 1258 | kfree(plane->format_types); |
| 1259 | drm_mode_object_put(dev, &plane->base); |
Matt Roper | dc415ff | 2014-04-01 15:22:36 -0700 | [diff] [blame] | 1260 | |
| 1261 | BUG_ON(list_empty(&plane->head)); |
| 1262 | |
| 1263 | list_del(&plane->head); |
| 1264 | dev->mode_config.num_total_plane--; |
| 1265 | if (plane->type == DRM_PLANE_TYPE_OVERLAY) |
| 1266 | dev->mode_config.num_overlay_plane--; |
Daniel Vetter | 8484990 | 2012-12-02 00:28:11 +0100 | [diff] [blame] | 1267 | drm_modeset_unlock_all(dev); |
Thierry Reding | 3009c03 | 2014-11-25 12:09:49 +0100 | [diff] [blame] | 1268 | |
| 1269 | WARN_ON(plane->state && !plane->funcs->atomic_destroy_state); |
| 1270 | if (plane->state && plane->funcs->atomic_destroy_state) |
| 1271 | plane->funcs->atomic_destroy_state(plane, plane->state); |
Thierry Reding | a18c0af | 2014-12-10 11:38:49 +0100 | [diff] [blame] | 1272 | |
| 1273 | memset(plane, 0, sizeof(*plane)); |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 1274 | } |
| 1275 | EXPORT_SYMBOL(drm_plane_cleanup); |
| 1276 | |
Ville Syrjälä | 35f2c3a | 2013-06-05 15:39:56 +0300 | [diff] [blame] | 1277 | /** |
Daniel Vetter | 10f637b | 2014-07-29 13:47:11 +0200 | [diff] [blame] | 1278 | * drm_plane_index - find the index of a registered plane |
| 1279 | * @plane: plane to find index for |
| 1280 | * |
| 1281 | * Given a registered plane, return the index of that CRTC within a DRM |
| 1282 | * device's list of planes. |
| 1283 | */ |
| 1284 | unsigned int drm_plane_index(struct drm_plane *plane) |
| 1285 | { |
| 1286 | unsigned int index = 0; |
| 1287 | struct drm_plane *tmp; |
| 1288 | |
| 1289 | list_for_each_entry(tmp, &plane->dev->mode_config.plane_list, head) { |
| 1290 | if (tmp == plane) |
| 1291 | return index; |
| 1292 | |
| 1293 | index++; |
| 1294 | } |
| 1295 | |
| 1296 | BUG(); |
| 1297 | } |
| 1298 | EXPORT_SYMBOL(drm_plane_index); |
| 1299 | |
| 1300 | /** |
Ville Syrjälä | 35f2c3a | 2013-06-05 15:39:56 +0300 | [diff] [blame] | 1301 | * drm_plane_force_disable - Forcibly disable a plane |
| 1302 | * @plane: plane to disable |
| 1303 | * |
| 1304 | * Forces the plane to be disabled. |
| 1305 | * |
| 1306 | * Used when the plane's current framebuffer is destroyed, |
| 1307 | * and when restoring fbdev mode. |
| 1308 | */ |
Ville Syrjälä | 9125e61 | 2013-06-03 16:10:40 +0300 | [diff] [blame] | 1309 | void drm_plane_force_disable(struct drm_plane *plane) |
| 1310 | { |
| 1311 | int ret; |
| 1312 | |
Daniel Vetter | 3d30a59 | 2014-07-27 13:42:42 +0200 | [diff] [blame] | 1313 | if (!plane->fb) |
Ville Syrjälä | 9125e61 | 2013-06-03 16:10:40 +0300 | [diff] [blame] | 1314 | return; |
| 1315 | |
Daniel Vetter | 3d30a59 | 2014-07-27 13:42:42 +0200 | [diff] [blame] | 1316 | plane->old_fb = plane->fb; |
Ville Syrjälä | 9125e61 | 2013-06-03 16:10:40 +0300 | [diff] [blame] | 1317 | ret = plane->funcs->disable_plane(plane); |
Daniel Vetter | 731cce4 | 2014-04-23 10:24:11 +0200 | [diff] [blame] | 1318 | if (ret) { |
Ville Syrjälä | 9125e61 | 2013-06-03 16:10:40 +0300 | [diff] [blame] | 1319 | DRM_ERROR("failed to disable plane with busy fb\n"); |
Daniel Vetter | 3d30a59 | 2014-07-27 13:42:42 +0200 | [diff] [blame] | 1320 | plane->old_fb = NULL; |
Daniel Vetter | 731cce4 | 2014-04-23 10:24:11 +0200 | [diff] [blame] | 1321 | return; |
| 1322 | } |
Ville Syrjälä | 9125e61 | 2013-06-03 16:10:40 +0300 | [diff] [blame] | 1323 | /* disconnect the plane from the fb and crtc: */ |
Daniel Vetter | 3d30a59 | 2014-07-27 13:42:42 +0200 | [diff] [blame] | 1324 | __drm_framebuffer_unreference(plane->old_fb); |
| 1325 | plane->old_fb = NULL; |
Ville Syrjälä | 9125e61 | 2013-06-03 16:10:40 +0300 | [diff] [blame] | 1326 | plane->fb = NULL; |
| 1327 | plane->crtc = NULL; |
| 1328 | } |
| 1329 | EXPORT_SYMBOL(drm_plane_force_disable); |
| 1330 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1331 | static int drm_mode_create_standard_connector_properties(struct drm_device *dev) |
| 1332 | { |
| 1333 | struct drm_property *edid; |
| 1334 | struct drm_property *dpms; |
Dave Airlie | 43aba7e | 2014-06-05 14:01:31 +1000 | [diff] [blame] | 1335 | struct drm_property *dev_path; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1336 | |
| 1337 | /* |
| 1338 | * Standard properties (apply to all connectors) |
| 1339 | */ |
| 1340 | edid = drm_property_create(dev, DRM_MODE_PROP_BLOB | |
| 1341 | DRM_MODE_PROP_IMMUTABLE, |
| 1342 | "EDID", 0); |
| 1343 | dev->mode_config.edid_property = edid; |
| 1344 | |
Sascha Hauer | 4a67d39 | 2012-02-06 10:58:17 +0100 | [diff] [blame] | 1345 | dpms = drm_property_create_enum(dev, 0, |
| 1346 | "DPMS", drm_dpms_enum_list, |
| 1347 | ARRAY_SIZE(drm_dpms_enum_list)); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1348 | dev->mode_config.dpms_property = dpms; |
| 1349 | |
Dave Airlie | 43aba7e | 2014-06-05 14:01:31 +1000 | [diff] [blame] | 1350 | dev_path = drm_property_create(dev, |
| 1351 | DRM_MODE_PROP_BLOB | |
| 1352 | DRM_MODE_PROP_IMMUTABLE, |
| 1353 | "PATH", 0); |
| 1354 | dev->mode_config.path_property = dev_path; |
| 1355 | |
Dave Airlie | 6f134d7 | 2014-10-20 16:30:50 +1000 | [diff] [blame] | 1356 | dev->mode_config.tile_property = drm_property_create(dev, |
| 1357 | DRM_MODE_PROP_BLOB | |
| 1358 | DRM_MODE_PROP_IMMUTABLE, |
| 1359 | "TILE", 0); |
| 1360 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1361 | return 0; |
| 1362 | } |
| 1363 | |
Rob Clark | 9922ab5 | 2014-04-01 20:16:57 -0400 | [diff] [blame] | 1364 | static int drm_mode_create_standard_plane_properties(struct drm_device *dev) |
| 1365 | { |
| 1366 | struct drm_property *type; |
| 1367 | |
| 1368 | /* |
| 1369 | * Standard properties (apply to all planes) |
| 1370 | */ |
| 1371 | type = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, |
| 1372 | "type", drm_plane_type_enum_list, |
| 1373 | ARRAY_SIZE(drm_plane_type_enum_list)); |
| 1374 | dev->mode_config.plane_type_property = type; |
| 1375 | |
| 1376 | return 0; |
| 1377 | } |
| 1378 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1379 | /** |
| 1380 | * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties |
| 1381 | * @dev: DRM device |
| 1382 | * |
| 1383 | * Called by a driver the first time a DVI-I connector is made. |
| 1384 | */ |
| 1385 | int drm_mode_create_dvi_i_properties(struct drm_device *dev) |
| 1386 | { |
| 1387 | struct drm_property *dvi_i_selector; |
| 1388 | struct drm_property *dvi_i_subconnector; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1389 | |
| 1390 | if (dev->mode_config.dvi_i_select_subconnector_property) |
| 1391 | return 0; |
| 1392 | |
| 1393 | dvi_i_selector = |
Sascha Hauer | 4a67d39 | 2012-02-06 10:58:17 +0100 | [diff] [blame] | 1394 | drm_property_create_enum(dev, 0, |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1395 | "select subconnector", |
Sascha Hauer | 4a67d39 | 2012-02-06 10:58:17 +0100 | [diff] [blame] | 1396 | drm_dvi_i_select_enum_list, |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1397 | ARRAY_SIZE(drm_dvi_i_select_enum_list)); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1398 | dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector; |
| 1399 | |
Sascha Hauer | 4a67d39 | 2012-02-06 10:58:17 +0100 | [diff] [blame] | 1400 | dvi_i_subconnector = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1401 | "subconnector", |
Sascha Hauer | 4a67d39 | 2012-02-06 10:58:17 +0100 | [diff] [blame] | 1402 | drm_dvi_i_subconnector_enum_list, |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1403 | ARRAY_SIZE(drm_dvi_i_subconnector_enum_list)); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1404 | dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector; |
| 1405 | |
| 1406 | return 0; |
| 1407 | } |
| 1408 | EXPORT_SYMBOL(drm_mode_create_dvi_i_properties); |
| 1409 | |
| 1410 | /** |
| 1411 | * drm_create_tv_properties - create TV specific connector properties |
| 1412 | * @dev: DRM device |
| 1413 | * @num_modes: number of different TV formats (modes) supported |
| 1414 | * @modes: array of pointers to strings containing name of each format |
| 1415 | * |
| 1416 | * Called by a driver's TV initialization routine, this function creates |
| 1417 | * the TV specific connector properties for a given device. Caller is |
| 1418 | * responsible for allocating a list of format names and passing them to |
| 1419 | * this routine. |
| 1420 | */ |
Thierry Reding | 2f76331 | 2014-10-13 12:45:57 +0200 | [diff] [blame] | 1421 | int drm_mode_create_tv_properties(struct drm_device *dev, |
| 1422 | unsigned int num_modes, |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1423 | char *modes[]) |
| 1424 | { |
| 1425 | struct drm_property *tv_selector; |
| 1426 | struct drm_property *tv_subconnector; |
Thierry Reding | 2f76331 | 2014-10-13 12:45:57 +0200 | [diff] [blame] | 1427 | unsigned int i; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1428 | |
| 1429 | if (dev->mode_config.tv_select_subconnector_property) |
| 1430 | return 0; |
| 1431 | |
| 1432 | /* |
| 1433 | * Basic connector properties |
| 1434 | */ |
Sascha Hauer | 4a67d39 | 2012-02-06 10:58:17 +0100 | [diff] [blame] | 1435 | tv_selector = drm_property_create_enum(dev, 0, |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1436 | "select subconnector", |
Sascha Hauer | 4a67d39 | 2012-02-06 10:58:17 +0100 | [diff] [blame] | 1437 | drm_tv_select_enum_list, |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1438 | ARRAY_SIZE(drm_tv_select_enum_list)); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1439 | dev->mode_config.tv_select_subconnector_property = tv_selector; |
| 1440 | |
| 1441 | tv_subconnector = |
Sascha Hauer | 4a67d39 | 2012-02-06 10:58:17 +0100 | [diff] [blame] | 1442 | drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, |
| 1443 | "subconnector", |
| 1444 | drm_tv_subconnector_enum_list, |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1445 | ARRAY_SIZE(drm_tv_subconnector_enum_list)); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1446 | dev->mode_config.tv_subconnector_property = tv_subconnector; |
| 1447 | |
| 1448 | /* |
| 1449 | * Other, TV specific properties: margins & TV modes. |
| 1450 | */ |
| 1451 | dev->mode_config.tv_left_margin_property = |
Sascha Hauer | d9bc3c0 | 2012-02-06 10:58:18 +0100 | [diff] [blame] | 1452 | drm_property_create_range(dev, 0, "left margin", 0, 100); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1453 | |
| 1454 | dev->mode_config.tv_right_margin_property = |
Sascha Hauer | d9bc3c0 | 2012-02-06 10:58:18 +0100 | [diff] [blame] | 1455 | drm_property_create_range(dev, 0, "right margin", 0, 100); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1456 | |
| 1457 | dev->mode_config.tv_top_margin_property = |
Sascha Hauer | d9bc3c0 | 2012-02-06 10:58:18 +0100 | [diff] [blame] | 1458 | drm_property_create_range(dev, 0, "top margin", 0, 100); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1459 | |
| 1460 | dev->mode_config.tv_bottom_margin_property = |
Sascha Hauer | d9bc3c0 | 2012-02-06 10:58:18 +0100 | [diff] [blame] | 1461 | drm_property_create_range(dev, 0, "bottom margin", 0, 100); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1462 | |
| 1463 | dev->mode_config.tv_mode_property = |
| 1464 | drm_property_create(dev, DRM_MODE_PROP_ENUM, |
| 1465 | "mode", num_modes); |
| 1466 | for (i = 0; i < num_modes; i++) |
| 1467 | drm_property_add_enum(dev->mode_config.tv_mode_property, i, |
| 1468 | i, modes[i]); |
| 1469 | |
Francisco Jerez | b6b7902 | 2009-08-02 04:19:20 +0200 | [diff] [blame] | 1470 | dev->mode_config.tv_brightness_property = |
Sascha Hauer | d9bc3c0 | 2012-02-06 10:58:18 +0100 | [diff] [blame] | 1471 | drm_property_create_range(dev, 0, "brightness", 0, 100); |
Francisco Jerez | b6b7902 | 2009-08-02 04:19:20 +0200 | [diff] [blame] | 1472 | |
| 1473 | dev->mode_config.tv_contrast_property = |
Sascha Hauer | d9bc3c0 | 2012-02-06 10:58:18 +0100 | [diff] [blame] | 1474 | drm_property_create_range(dev, 0, "contrast", 0, 100); |
Francisco Jerez | b6b7902 | 2009-08-02 04:19:20 +0200 | [diff] [blame] | 1475 | |
| 1476 | dev->mode_config.tv_flicker_reduction_property = |
Sascha Hauer | d9bc3c0 | 2012-02-06 10:58:18 +0100 | [diff] [blame] | 1477 | drm_property_create_range(dev, 0, "flicker reduction", 0, 100); |
Francisco Jerez | b6b7902 | 2009-08-02 04:19:20 +0200 | [diff] [blame] | 1478 | |
Francisco Jerez | a75f023 | 2009-08-12 02:30:10 +0200 | [diff] [blame] | 1479 | dev->mode_config.tv_overscan_property = |
Sascha Hauer | d9bc3c0 | 2012-02-06 10:58:18 +0100 | [diff] [blame] | 1480 | drm_property_create_range(dev, 0, "overscan", 0, 100); |
Francisco Jerez | a75f023 | 2009-08-12 02:30:10 +0200 | [diff] [blame] | 1481 | |
| 1482 | dev->mode_config.tv_saturation_property = |
Sascha Hauer | d9bc3c0 | 2012-02-06 10:58:18 +0100 | [diff] [blame] | 1483 | drm_property_create_range(dev, 0, "saturation", 0, 100); |
Francisco Jerez | a75f023 | 2009-08-12 02:30:10 +0200 | [diff] [blame] | 1484 | |
| 1485 | dev->mode_config.tv_hue_property = |
Sascha Hauer | d9bc3c0 | 2012-02-06 10:58:18 +0100 | [diff] [blame] | 1486 | drm_property_create_range(dev, 0, "hue", 0, 100); |
Francisco Jerez | a75f023 | 2009-08-12 02:30:10 +0200 | [diff] [blame] | 1487 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1488 | return 0; |
| 1489 | } |
| 1490 | EXPORT_SYMBOL(drm_mode_create_tv_properties); |
| 1491 | |
| 1492 | /** |
| 1493 | * drm_mode_create_scaling_mode_property - create scaling mode property |
| 1494 | * @dev: DRM device |
| 1495 | * |
| 1496 | * Called by a driver the first time it's needed, must be attached to desired |
| 1497 | * connectors. |
| 1498 | */ |
| 1499 | int drm_mode_create_scaling_mode_property(struct drm_device *dev) |
| 1500 | { |
| 1501 | struct drm_property *scaling_mode; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1502 | |
| 1503 | if (dev->mode_config.scaling_mode_property) |
| 1504 | return 0; |
| 1505 | |
| 1506 | scaling_mode = |
Sascha Hauer | 4a67d39 | 2012-02-06 10:58:17 +0100 | [diff] [blame] | 1507 | drm_property_create_enum(dev, 0, "scaling mode", |
| 1508 | drm_scaling_mode_enum_list, |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1509 | ARRAY_SIZE(drm_scaling_mode_enum_list)); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1510 | |
| 1511 | dev->mode_config.scaling_mode_property = scaling_mode; |
| 1512 | |
| 1513 | return 0; |
| 1514 | } |
| 1515 | EXPORT_SYMBOL(drm_mode_create_scaling_mode_property); |
| 1516 | |
| 1517 | /** |
Vandana Kannan | ff587e4 | 2014-06-11 10:46:48 +0530 | [diff] [blame] | 1518 | * drm_mode_create_aspect_ratio_property - create aspect ratio property |
| 1519 | * @dev: DRM device |
| 1520 | * |
| 1521 | * Called by a driver the first time it's needed, must be attached to desired |
| 1522 | * connectors. |
| 1523 | * |
| 1524 | * Returns: |
Daniel Vetter | 1a49863 | 2014-11-19 18:38:09 +0100 | [diff] [blame] | 1525 | * Zero on success, negative errno on failure. |
Vandana Kannan | ff587e4 | 2014-06-11 10:46:48 +0530 | [diff] [blame] | 1526 | */ |
| 1527 | int drm_mode_create_aspect_ratio_property(struct drm_device *dev) |
| 1528 | { |
| 1529 | if (dev->mode_config.aspect_ratio_property) |
| 1530 | return 0; |
| 1531 | |
| 1532 | dev->mode_config.aspect_ratio_property = |
| 1533 | drm_property_create_enum(dev, 0, "aspect ratio", |
| 1534 | drm_aspect_ratio_enum_list, |
| 1535 | ARRAY_SIZE(drm_aspect_ratio_enum_list)); |
| 1536 | |
| 1537 | if (dev->mode_config.aspect_ratio_property == NULL) |
| 1538 | return -ENOMEM; |
| 1539 | |
| 1540 | return 0; |
| 1541 | } |
| 1542 | EXPORT_SYMBOL(drm_mode_create_aspect_ratio_property); |
| 1543 | |
| 1544 | /** |
Jakob Bornecrantz | 884840a | 2009-12-03 23:25:47 +0000 | [diff] [blame] | 1545 | * drm_mode_create_dirty_property - create dirty property |
| 1546 | * @dev: DRM device |
| 1547 | * |
| 1548 | * Called by a driver the first time it's needed, must be attached to desired |
| 1549 | * connectors. |
| 1550 | */ |
| 1551 | int drm_mode_create_dirty_info_property(struct drm_device *dev) |
| 1552 | { |
| 1553 | struct drm_property *dirty_info; |
Jakob Bornecrantz | 884840a | 2009-12-03 23:25:47 +0000 | [diff] [blame] | 1554 | |
| 1555 | if (dev->mode_config.dirty_info_property) |
| 1556 | return 0; |
| 1557 | |
| 1558 | dirty_info = |
Sascha Hauer | 4a67d39 | 2012-02-06 10:58:17 +0100 | [diff] [blame] | 1559 | drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, |
Jakob Bornecrantz | 884840a | 2009-12-03 23:25:47 +0000 | [diff] [blame] | 1560 | "dirty", |
Sascha Hauer | 4a67d39 | 2012-02-06 10:58:17 +0100 | [diff] [blame] | 1561 | drm_dirty_info_enum_list, |
Jakob Bornecrantz | 884840a | 2009-12-03 23:25:47 +0000 | [diff] [blame] | 1562 | ARRAY_SIZE(drm_dirty_info_enum_list)); |
Jakob Bornecrantz | 884840a | 2009-12-03 23:25:47 +0000 | [diff] [blame] | 1563 | dev->mode_config.dirty_info_property = dirty_info; |
| 1564 | |
| 1565 | return 0; |
| 1566 | } |
| 1567 | EXPORT_SYMBOL(drm_mode_create_dirty_info_property); |
| 1568 | |
Dave Airlie | 5bb2bbf | 2014-11-10 10:18:15 +1000 | [diff] [blame] | 1569 | /** |
| 1570 | * drm_mode_create_suggested_offset_properties - create suggests offset properties |
| 1571 | * @dev: DRM device |
| 1572 | * |
| 1573 | * Create the the suggested x/y offset property for connectors. |
| 1574 | */ |
| 1575 | int drm_mode_create_suggested_offset_properties(struct drm_device *dev) |
| 1576 | { |
| 1577 | if (dev->mode_config.suggested_x_property && dev->mode_config.suggested_y_property) |
| 1578 | return 0; |
| 1579 | |
| 1580 | dev->mode_config.suggested_x_property = |
| 1581 | drm_property_create_range(dev, DRM_MODE_PROP_IMMUTABLE, "suggested X", 0, 0xffffffff); |
| 1582 | |
| 1583 | dev->mode_config.suggested_y_property = |
| 1584 | drm_property_create_range(dev, DRM_MODE_PROP_IMMUTABLE, "suggested Y", 0, 0xffffffff); |
| 1585 | |
| 1586 | if (dev->mode_config.suggested_x_property == NULL || |
| 1587 | dev->mode_config.suggested_y_property == NULL) |
| 1588 | return -ENOMEM; |
| 1589 | return 0; |
| 1590 | } |
| 1591 | EXPORT_SYMBOL(drm_mode_create_suggested_offset_properties); |
| 1592 | |
Ville Syrjälä | ea9cbb0 | 2013-04-25 20:09:20 +0300 | [diff] [blame] | 1593 | static int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group) |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1594 | { |
| 1595 | uint32_t total_objects = 0; |
| 1596 | |
| 1597 | total_objects += dev->mode_config.num_crtc; |
| 1598 | total_objects += dev->mode_config.num_connector; |
| 1599 | total_objects += dev->mode_config.num_encoder; |
Sean Paul | 3b336ec | 2013-08-14 16:47:37 -0400 | [diff] [blame] | 1600 | total_objects += dev->mode_config.num_bridge; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1601 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1602 | group->id_list = kzalloc(total_objects * sizeof(uint32_t), GFP_KERNEL); |
| 1603 | if (!group->id_list) |
| 1604 | return -ENOMEM; |
| 1605 | |
| 1606 | group->num_crtcs = 0; |
| 1607 | group->num_connectors = 0; |
| 1608 | group->num_encoders = 0; |
Sean Paul | 3b336ec | 2013-08-14 16:47:37 -0400 | [diff] [blame] | 1609 | group->num_bridges = 0; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1610 | return 0; |
| 1611 | } |
| 1612 | |
Dave Airlie | ad22279 | 2014-05-02 13:22:19 +1000 | [diff] [blame] | 1613 | void drm_mode_group_destroy(struct drm_mode_group *group) |
| 1614 | { |
| 1615 | kfree(group->id_list); |
| 1616 | group->id_list = NULL; |
| 1617 | } |
| 1618 | |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 1619 | /* |
| 1620 | * NOTE: Driver's shouldn't ever call drm_mode_group_init_legacy_group - it is |
| 1621 | * the drm core's responsibility to set up mode control groups. |
| 1622 | */ |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1623 | int drm_mode_group_init_legacy_group(struct drm_device *dev, |
| 1624 | struct drm_mode_group *group) |
| 1625 | { |
| 1626 | struct drm_crtc *crtc; |
| 1627 | struct drm_encoder *encoder; |
| 1628 | struct drm_connector *connector; |
Sean Paul | 3b336ec | 2013-08-14 16:47:37 -0400 | [diff] [blame] | 1629 | struct drm_bridge *bridge; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1630 | int ret; |
| 1631 | |
| 1632 | if ((ret = drm_mode_group_init(dev, group))) |
| 1633 | return ret; |
| 1634 | |
| 1635 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) |
| 1636 | group->id_list[group->num_crtcs++] = crtc->base.id; |
| 1637 | |
| 1638 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) |
| 1639 | group->id_list[group->num_crtcs + group->num_encoders++] = |
| 1640 | encoder->base.id; |
| 1641 | |
| 1642 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) |
| 1643 | group->id_list[group->num_crtcs + group->num_encoders + |
| 1644 | group->num_connectors++] = connector->base.id; |
| 1645 | |
Sean Paul | 3b336ec | 2013-08-14 16:47:37 -0400 | [diff] [blame] | 1646 | list_for_each_entry(bridge, &dev->mode_config.bridge_list, head) |
| 1647 | group->id_list[group->num_crtcs + group->num_encoders + |
| 1648 | group->num_connectors + group->num_bridges++] = |
| 1649 | bridge->base.id; |
| 1650 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1651 | return 0; |
| 1652 | } |
Dave Airlie | 9c1dfc5 | 2012-03-20 06:59:29 +0000 | [diff] [blame] | 1653 | EXPORT_SYMBOL(drm_mode_group_init_legacy_group); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1654 | |
Dave Airlie | 2390cd1 | 2014-06-05 14:01:29 +1000 | [diff] [blame] | 1655 | void drm_reinit_primary_mode_group(struct drm_device *dev) |
| 1656 | { |
| 1657 | drm_modeset_lock_all(dev); |
| 1658 | drm_mode_group_destroy(&dev->primary->mode_group); |
| 1659 | drm_mode_group_init_legacy_group(dev, &dev->primary->mode_group); |
| 1660 | drm_modeset_unlock_all(dev); |
| 1661 | } |
| 1662 | EXPORT_SYMBOL(drm_reinit_primary_mode_group); |
| 1663 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1664 | /** |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1665 | * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo |
| 1666 | * @out: drm_mode_modeinfo struct to return to the user |
| 1667 | * @in: drm_display_mode to use |
| 1668 | * |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1669 | * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to |
| 1670 | * the user. |
| 1671 | */ |
Ville Syrjälä | 93bbf6d | 2012-03-13 12:35:47 +0200 | [diff] [blame] | 1672 | static void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out, |
| 1673 | const struct drm_display_mode *in) |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1674 | { |
Ville Syrjälä | e36fae3 | 2012-03-13 12:35:40 +0200 | [diff] [blame] | 1675 | WARN(in->hdisplay > USHRT_MAX || in->hsync_start > USHRT_MAX || |
| 1676 | in->hsync_end > USHRT_MAX || in->htotal > USHRT_MAX || |
| 1677 | in->hskew > USHRT_MAX || in->vdisplay > USHRT_MAX || |
| 1678 | in->vsync_start > USHRT_MAX || in->vsync_end > USHRT_MAX || |
| 1679 | in->vtotal > USHRT_MAX || in->vscan > USHRT_MAX, |
| 1680 | "timing values too large for mode info\n"); |
| 1681 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1682 | out->clock = in->clock; |
| 1683 | out->hdisplay = in->hdisplay; |
| 1684 | out->hsync_start = in->hsync_start; |
| 1685 | out->hsync_end = in->hsync_end; |
| 1686 | out->htotal = in->htotal; |
| 1687 | out->hskew = in->hskew; |
| 1688 | out->vdisplay = in->vdisplay; |
| 1689 | out->vsync_start = in->vsync_start; |
| 1690 | out->vsync_end = in->vsync_end; |
| 1691 | out->vtotal = in->vtotal; |
| 1692 | out->vscan = in->vscan; |
| 1693 | out->vrefresh = in->vrefresh; |
| 1694 | out->flags = in->flags; |
| 1695 | out->type = in->type; |
| 1696 | strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); |
| 1697 | out->name[DRM_DISPLAY_MODE_LEN-1] = 0; |
| 1698 | } |
| 1699 | |
| 1700 | /** |
Marc-André Lureau | 74afee7 | 2013-10-18 16:11:27 +0200 | [diff] [blame] | 1701 | * drm_crtc_convert_umode - convert a modeinfo into a drm_display_mode |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1702 | * @out: drm_display_mode to return to the user |
| 1703 | * @in: drm_mode_modeinfo to use |
| 1704 | * |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1705 | * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to |
| 1706 | * the caller. |
Ville Syrjälä | 90367bf | 2012-03-13 12:35:44 +0200 | [diff] [blame] | 1707 | * |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 1708 | * Returns: |
Daniel Vetter | 1a49863 | 2014-11-19 18:38:09 +0100 | [diff] [blame] | 1709 | * Zero on success, negative errno on failure. |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1710 | */ |
Ville Syrjälä | 93bbf6d | 2012-03-13 12:35:47 +0200 | [diff] [blame] | 1711 | static int drm_crtc_convert_umode(struct drm_display_mode *out, |
| 1712 | const struct drm_mode_modeinfo *in) |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1713 | { |
Ville Syrjälä | 90367bf | 2012-03-13 12:35:44 +0200 | [diff] [blame] | 1714 | if (in->clock > INT_MAX || in->vrefresh > INT_MAX) |
| 1715 | return -ERANGE; |
| 1716 | |
Damien Lespiau | 5848ad4 | 2013-09-27 12:11:50 +0100 | [diff] [blame] | 1717 | if ((in->flags & DRM_MODE_FLAG_3D_MASK) > DRM_MODE_FLAG_3D_MAX) |
| 1718 | return -EINVAL; |
| 1719 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1720 | out->clock = in->clock; |
| 1721 | out->hdisplay = in->hdisplay; |
| 1722 | out->hsync_start = in->hsync_start; |
| 1723 | out->hsync_end = in->hsync_end; |
| 1724 | out->htotal = in->htotal; |
| 1725 | out->hskew = in->hskew; |
| 1726 | out->vdisplay = in->vdisplay; |
| 1727 | out->vsync_start = in->vsync_start; |
| 1728 | out->vsync_end = in->vsync_end; |
| 1729 | out->vtotal = in->vtotal; |
| 1730 | out->vscan = in->vscan; |
| 1731 | out->vrefresh = in->vrefresh; |
| 1732 | out->flags = in->flags; |
| 1733 | out->type = in->type; |
| 1734 | strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); |
| 1735 | out->name[DRM_DISPLAY_MODE_LEN-1] = 0; |
Ville Syrjälä | 90367bf | 2012-03-13 12:35:44 +0200 | [diff] [blame] | 1736 | |
| 1737 | return 0; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1738 | } |
| 1739 | |
| 1740 | /** |
| 1741 | * drm_mode_getresources - get graphics configuration |
Daniel Vetter | 065a50ed | 2012-12-02 00:09:18 +0100 | [diff] [blame] | 1742 | * @dev: drm device for the ioctl |
| 1743 | * @data: data pointer for the ioctl |
| 1744 | * @file_priv: drm file for the ioctl call |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1745 | * |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1746 | * Construct a set of configuration description structures and return |
| 1747 | * them to the user, including CRTC, connector and framebuffer configuration. |
| 1748 | * |
| 1749 | * Called by the user via ioctl. |
| 1750 | * |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 1751 | * Returns: |
Daniel Vetter | 1a49863 | 2014-11-19 18:38:09 +0100 | [diff] [blame] | 1752 | * Zero on success, negative errno on failure. |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1753 | */ |
| 1754 | int drm_mode_getresources(struct drm_device *dev, void *data, |
| 1755 | struct drm_file *file_priv) |
| 1756 | { |
| 1757 | struct drm_mode_card_res *card_res = data; |
| 1758 | struct list_head *lh; |
| 1759 | struct drm_framebuffer *fb; |
| 1760 | struct drm_connector *connector; |
| 1761 | struct drm_crtc *crtc; |
| 1762 | struct drm_encoder *encoder; |
| 1763 | int ret = 0; |
| 1764 | int connector_count = 0; |
| 1765 | int crtc_count = 0; |
| 1766 | int fb_count = 0; |
| 1767 | int encoder_count = 0; |
| 1768 | int copied = 0, i; |
| 1769 | uint32_t __user *fb_id; |
| 1770 | uint32_t __user *crtc_id; |
| 1771 | uint32_t __user *connector_id; |
| 1772 | uint32_t __user *encoder_id; |
| 1773 | struct drm_mode_group *mode_group; |
| 1774 | |
Dave Airlie | fb3b06c | 2011-02-08 13:55:21 +1000 | [diff] [blame] | 1775 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
| 1776 | return -EINVAL; |
| 1777 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1778 | |
Daniel Vetter | 4b096ac | 2012-12-10 21:19:18 +0100 | [diff] [blame] | 1779 | mutex_lock(&file_priv->fbs_lock); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1780 | /* |
| 1781 | * For the non-control nodes we need to limit the list of resources |
| 1782 | * by IDs in the group list for this node |
| 1783 | */ |
| 1784 | list_for_each(lh, &file_priv->fbs) |
| 1785 | fb_count++; |
| 1786 | |
Daniel Vetter | 4b096ac | 2012-12-10 21:19:18 +0100 | [diff] [blame] | 1787 | /* handle this in 4 parts */ |
| 1788 | /* FBs */ |
| 1789 | if (card_res->count_fbs >= fb_count) { |
| 1790 | copied = 0; |
| 1791 | fb_id = (uint32_t __user *)(unsigned long)card_res->fb_id_ptr; |
| 1792 | list_for_each_entry(fb, &file_priv->fbs, filp_head) { |
| 1793 | if (put_user(fb->base.id, fb_id + copied)) { |
| 1794 | mutex_unlock(&file_priv->fbs_lock); |
| 1795 | return -EFAULT; |
| 1796 | } |
| 1797 | copied++; |
| 1798 | } |
| 1799 | } |
| 1800 | card_res->count_fbs = fb_count; |
| 1801 | mutex_unlock(&file_priv->fbs_lock); |
| 1802 | |
Daniel Vetter | fcf93f6 | 2014-11-12 08:45:01 +0100 | [diff] [blame] | 1803 | /* mode_config.mutex protects the connector list against e.g. DP MST |
| 1804 | * connector hot-adding. CRTC/Plane lists are invariant. */ |
| 1805 | mutex_lock(&dev->mode_config.mutex); |
Thomas Hellstrom | 4368305 | 2014-03-13 11:07:44 +0100 | [diff] [blame] | 1806 | if (!drm_is_primary_client(file_priv)) { |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1807 | |
Thomas Hellstrom | 09f308f | 2014-03-13 10:00:42 +0100 | [diff] [blame] | 1808 | mode_group = NULL; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1809 | list_for_each(lh, &dev->mode_config.crtc_list) |
| 1810 | crtc_count++; |
| 1811 | |
| 1812 | list_for_each(lh, &dev->mode_config.connector_list) |
| 1813 | connector_count++; |
| 1814 | |
| 1815 | list_for_each(lh, &dev->mode_config.encoder_list) |
| 1816 | encoder_count++; |
| 1817 | } else { |
| 1818 | |
Thomas Hellstrom | 09f308f | 2014-03-13 10:00:42 +0100 | [diff] [blame] | 1819 | mode_group = &file_priv->master->minor->mode_group; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1820 | crtc_count = mode_group->num_crtcs; |
| 1821 | connector_count = mode_group->num_connectors; |
| 1822 | encoder_count = mode_group->num_encoders; |
| 1823 | } |
| 1824 | |
| 1825 | card_res->max_height = dev->mode_config.max_height; |
| 1826 | card_res->min_height = dev->mode_config.min_height; |
| 1827 | card_res->max_width = dev->mode_config.max_width; |
| 1828 | card_res->min_width = dev->mode_config.min_width; |
| 1829 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1830 | /* CRTCs */ |
| 1831 | if (card_res->count_crtcs >= crtc_count) { |
| 1832 | copied = 0; |
| 1833 | crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr; |
Thomas Hellstrom | 09f308f | 2014-03-13 10:00:42 +0100 | [diff] [blame] | 1834 | if (!mode_group) { |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1835 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, |
| 1836 | head) { |
Jerome Glisse | 9440106 | 2010-07-15 15:43:25 -0400 | [diff] [blame] | 1837 | DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1838 | if (put_user(crtc->base.id, crtc_id + copied)) { |
| 1839 | ret = -EFAULT; |
| 1840 | goto out; |
| 1841 | } |
| 1842 | copied++; |
| 1843 | } |
| 1844 | } else { |
| 1845 | for (i = 0; i < mode_group->num_crtcs; i++) { |
| 1846 | if (put_user(mode_group->id_list[i], |
| 1847 | crtc_id + copied)) { |
| 1848 | ret = -EFAULT; |
| 1849 | goto out; |
| 1850 | } |
| 1851 | copied++; |
| 1852 | } |
| 1853 | } |
| 1854 | } |
| 1855 | card_res->count_crtcs = crtc_count; |
| 1856 | |
| 1857 | /* Encoders */ |
| 1858 | if (card_res->count_encoders >= encoder_count) { |
| 1859 | copied = 0; |
| 1860 | encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr; |
Thomas Hellstrom | 09f308f | 2014-03-13 10:00:42 +0100 | [diff] [blame] | 1861 | if (!mode_group) { |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1862 | list_for_each_entry(encoder, |
| 1863 | &dev->mode_config.encoder_list, |
| 1864 | head) { |
Jerome Glisse | 9440106 | 2010-07-15 15:43:25 -0400 | [diff] [blame] | 1865 | DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.id, |
Jani Nikula | 83a8cfd | 2014-06-03 14:56:22 +0300 | [diff] [blame] | 1866 | encoder->name); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1867 | if (put_user(encoder->base.id, encoder_id + |
| 1868 | copied)) { |
| 1869 | ret = -EFAULT; |
| 1870 | goto out; |
| 1871 | } |
| 1872 | copied++; |
| 1873 | } |
| 1874 | } else { |
| 1875 | for (i = mode_group->num_crtcs; i < mode_group->num_crtcs + mode_group->num_encoders; i++) { |
| 1876 | if (put_user(mode_group->id_list[i], |
| 1877 | encoder_id + copied)) { |
| 1878 | ret = -EFAULT; |
| 1879 | goto out; |
| 1880 | } |
| 1881 | copied++; |
| 1882 | } |
| 1883 | |
| 1884 | } |
| 1885 | } |
| 1886 | card_res->count_encoders = encoder_count; |
| 1887 | |
| 1888 | /* Connectors */ |
| 1889 | if (card_res->count_connectors >= connector_count) { |
| 1890 | copied = 0; |
| 1891 | connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr; |
Thomas Hellstrom | 09f308f | 2014-03-13 10:00:42 +0100 | [diff] [blame] | 1892 | if (!mode_group) { |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1893 | list_for_each_entry(connector, |
| 1894 | &dev->mode_config.connector_list, |
| 1895 | head) { |
Jerome Glisse | 9440106 | 2010-07-15 15:43:25 -0400 | [diff] [blame] | 1896 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", |
| 1897 | connector->base.id, |
Jani Nikula | 2593382 | 2014-06-03 14:56:20 +0300 | [diff] [blame] | 1898 | connector->name); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1899 | if (put_user(connector->base.id, |
| 1900 | connector_id + copied)) { |
| 1901 | ret = -EFAULT; |
| 1902 | goto out; |
| 1903 | } |
| 1904 | copied++; |
| 1905 | } |
| 1906 | } else { |
| 1907 | int start = mode_group->num_crtcs + |
| 1908 | mode_group->num_encoders; |
| 1909 | for (i = start; i < start + mode_group->num_connectors; i++) { |
| 1910 | if (put_user(mode_group->id_list[i], |
| 1911 | connector_id + copied)) { |
| 1912 | ret = -EFAULT; |
| 1913 | goto out; |
| 1914 | } |
| 1915 | copied++; |
| 1916 | } |
| 1917 | } |
| 1918 | } |
| 1919 | card_res->count_connectors = connector_count; |
| 1920 | |
Jerome Glisse | 9440106 | 2010-07-15 15:43:25 -0400 | [diff] [blame] | 1921 | DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res->count_crtcs, |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1922 | card_res->count_connectors, card_res->count_encoders); |
| 1923 | |
| 1924 | out: |
Daniel Vetter | fcf93f6 | 2014-11-12 08:45:01 +0100 | [diff] [blame] | 1925 | mutex_unlock(&dev->mode_config.mutex); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1926 | return ret; |
| 1927 | } |
| 1928 | |
| 1929 | /** |
| 1930 | * drm_mode_getcrtc - get CRTC configuration |
Daniel Vetter | 065a50ed | 2012-12-02 00:09:18 +0100 | [diff] [blame] | 1931 | * @dev: drm device for the ioctl |
| 1932 | * @data: data pointer for the ioctl |
| 1933 | * @file_priv: drm file for the ioctl call |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1934 | * |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1935 | * Construct a CRTC configuration structure to return to the user. |
| 1936 | * |
| 1937 | * Called by the user via ioctl. |
| 1938 | * |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 1939 | * Returns: |
Daniel Vetter | 1a49863 | 2014-11-19 18:38:09 +0100 | [diff] [blame] | 1940 | * Zero on success, negative errno on failure. |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1941 | */ |
| 1942 | int drm_mode_getcrtc(struct drm_device *dev, |
| 1943 | void *data, struct drm_file *file_priv) |
| 1944 | { |
| 1945 | struct drm_mode_crtc *crtc_resp = data; |
| 1946 | struct drm_crtc *crtc; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1947 | |
Dave Airlie | fb3b06c | 2011-02-08 13:55:21 +1000 | [diff] [blame] | 1948 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
| 1949 | return -EINVAL; |
| 1950 | |
Rob Clark | a2b34e2 | 2013-10-05 16:36:52 -0400 | [diff] [blame] | 1951 | crtc = drm_crtc_find(dev, crtc_resp->crtc_id); |
Daniel Vetter | fcf93f6 | 2014-11-12 08:45:01 +0100 | [diff] [blame] | 1952 | if (!crtc) |
| 1953 | return -ENOENT; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1954 | |
Daniel Vetter | fcf93f6 | 2014-11-12 08:45:01 +0100 | [diff] [blame] | 1955 | drm_modeset_lock_crtc(crtc, crtc->primary); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1956 | crtc_resp->x = crtc->x; |
| 1957 | crtc_resp->y = crtc->y; |
| 1958 | crtc_resp->gamma_size = crtc->gamma_size; |
Matt Roper | f4510a2 | 2014-04-01 15:22:40 -0700 | [diff] [blame] | 1959 | if (crtc->primary->fb) |
| 1960 | crtc_resp->fb_id = crtc->primary->fb->base.id; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1961 | else |
| 1962 | crtc_resp->fb_id = 0; |
| 1963 | |
| 1964 | if (crtc->enabled) { |
| 1965 | |
| 1966 | drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->mode); |
| 1967 | crtc_resp->mode_valid = 1; |
| 1968 | |
| 1969 | } else { |
| 1970 | crtc_resp->mode_valid = 0; |
| 1971 | } |
Daniel Vetter | fcf93f6 | 2014-11-12 08:45:01 +0100 | [diff] [blame] | 1972 | drm_modeset_unlock_crtc(crtc); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1973 | |
Daniel Vetter | baf698b | 2014-11-12 11:59:47 +0100 | [diff] [blame] | 1974 | return 0; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1975 | } |
| 1976 | |
Damien Lespiau | 61d8e32 | 2013-09-25 16:45:22 +0100 | [diff] [blame] | 1977 | static bool drm_mode_expose_to_userspace(const struct drm_display_mode *mode, |
| 1978 | const struct drm_file *file_priv) |
| 1979 | { |
| 1980 | /* |
| 1981 | * If user-space hasn't configured the driver to expose the stereo 3D |
| 1982 | * modes, don't expose them. |
| 1983 | */ |
| 1984 | if (!file_priv->stereo_allowed && drm_mode_is_stereo(mode)) |
| 1985 | return false; |
| 1986 | |
| 1987 | return true; |
| 1988 | } |
| 1989 | |
Daniel Vetter | abd69c5 | 2014-11-25 23:50:05 +0100 | [diff] [blame] | 1990 | static struct drm_encoder *drm_connector_get_encoder(struct drm_connector *connector) |
| 1991 | { |
| 1992 | /* For atomic drivers only state objects are synchronously updated and |
| 1993 | * protected by modeset locks, so check those first. */ |
| 1994 | if (connector->state) |
| 1995 | return connector->state->best_encoder; |
| 1996 | return connector->encoder; |
| 1997 | } |
| 1998 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1999 | /** |
| 2000 | * drm_mode_getconnector - get connector configuration |
Daniel Vetter | 065a50ed | 2012-12-02 00:09:18 +0100 | [diff] [blame] | 2001 | * @dev: drm device for the ioctl |
| 2002 | * @data: data pointer for the ioctl |
| 2003 | * @file_priv: drm file for the ioctl call |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2004 | * |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2005 | * Construct a connector configuration structure to return to the user. |
| 2006 | * |
| 2007 | * Called by the user via ioctl. |
| 2008 | * |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 2009 | * Returns: |
Daniel Vetter | 1a49863 | 2014-11-19 18:38:09 +0100 | [diff] [blame] | 2010 | * Zero on success, negative errno on failure. |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2011 | */ |
| 2012 | int drm_mode_getconnector(struct drm_device *dev, void *data, |
| 2013 | struct drm_file *file_priv) |
| 2014 | { |
| 2015 | struct drm_mode_get_connector *out_resp = data; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2016 | struct drm_connector *connector; |
Daniel Vetter | abd69c5 | 2014-11-25 23:50:05 +0100 | [diff] [blame] | 2017 | struct drm_encoder *encoder; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2018 | struct drm_display_mode *mode; |
| 2019 | int mode_count = 0; |
| 2020 | int props_count = 0; |
| 2021 | int encoders_count = 0; |
| 2022 | int ret = 0; |
| 2023 | int copied = 0; |
| 2024 | int i; |
| 2025 | struct drm_mode_modeinfo u_mode; |
| 2026 | struct drm_mode_modeinfo __user *mode_ptr; |
| 2027 | uint32_t __user *prop_ptr; |
| 2028 | uint64_t __user *prop_values; |
| 2029 | uint32_t __user *encoder_ptr; |
| 2030 | |
Dave Airlie | fb3b06c | 2011-02-08 13:55:21 +1000 | [diff] [blame] | 2031 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
| 2032 | return -EINVAL; |
| 2033 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2034 | memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo)); |
| 2035 | |
Jerome Glisse | 9440106 | 2010-07-15 15:43:25 -0400 | [diff] [blame] | 2036 | DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp->connector_id); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2037 | |
Daniel Vetter | 7b24056 | 2012-12-12 00:35:33 +0100 | [diff] [blame] | 2038 | mutex_lock(&dev->mode_config.mutex); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2039 | |
Rob Clark | a2b34e2 | 2013-10-05 16:36:52 -0400 | [diff] [blame] | 2040 | connector = drm_connector_find(dev, out_resp->connector_id); |
| 2041 | if (!connector) { |
Ville Syrjälä | f27657f | 2013-10-17 13:35:00 +0300 | [diff] [blame] | 2042 | ret = -ENOENT; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2043 | goto out; |
| 2044 | } |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2045 | |
Paulo Zanoni | 7f88a9b | 2012-05-15 18:09:04 -0300 | [diff] [blame] | 2046 | props_count = connector->properties.count; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2047 | |
| 2048 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { |
| 2049 | if (connector->encoder_ids[i] != 0) { |
| 2050 | encoders_count++; |
| 2051 | } |
| 2052 | } |
| 2053 | |
| 2054 | if (out_resp->count_modes == 0) { |
| 2055 | connector->funcs->fill_modes(connector, |
| 2056 | dev->mode_config.max_width, |
| 2057 | dev->mode_config.max_height); |
| 2058 | } |
| 2059 | |
| 2060 | /* delayed so we get modes regardless of pre-fill_modes state */ |
| 2061 | list_for_each_entry(mode, &connector->modes, head) |
Damien Lespiau | 61d8e32 | 2013-09-25 16:45:22 +0100 | [diff] [blame] | 2062 | if (drm_mode_expose_to_userspace(mode, file_priv)) |
| 2063 | mode_count++; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2064 | |
| 2065 | out_resp->connector_id = connector->base.id; |
| 2066 | out_resp->connector_type = connector->connector_type; |
| 2067 | out_resp->connector_type_id = connector->connector_type_id; |
| 2068 | out_resp->mm_width = connector->display_info.width_mm; |
| 2069 | out_resp->mm_height = connector->display_info.height_mm; |
| 2070 | out_resp->subpixel = connector->display_info.subpixel_order; |
| 2071 | out_resp->connection = connector->status; |
Daniel Vetter | 832fd39 | 2014-06-05 11:07:20 +0200 | [diff] [blame] | 2072 | drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); |
Daniel Vetter | abd69c5 | 2014-11-25 23:50:05 +0100 | [diff] [blame] | 2073 | |
| 2074 | encoder = drm_connector_get_encoder(connector); |
| 2075 | if (encoder) |
| 2076 | out_resp->encoder_id = encoder->base.id; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2077 | else |
| 2078 | out_resp->encoder_id = 0; |
Daniel Vetter | 832fd39 | 2014-06-05 11:07:20 +0200 | [diff] [blame] | 2079 | drm_modeset_unlock(&dev->mode_config.connection_mutex); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2080 | |
| 2081 | /* |
| 2082 | * This ioctl is called twice, once to determine how much space is |
| 2083 | * needed, and the 2nd time to fill it. |
| 2084 | */ |
| 2085 | if ((out_resp->count_modes >= mode_count) && mode_count) { |
| 2086 | copied = 0; |
Ville Syrjälä | 81f6c7f | 2011-12-20 00:06:42 +0200 | [diff] [blame] | 2087 | mode_ptr = (struct drm_mode_modeinfo __user *)(unsigned long)out_resp->modes_ptr; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2088 | list_for_each_entry(mode, &connector->modes, head) { |
Damien Lespiau | 61d8e32 | 2013-09-25 16:45:22 +0100 | [diff] [blame] | 2089 | if (!drm_mode_expose_to_userspace(mode, file_priv)) |
| 2090 | continue; |
| 2091 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2092 | drm_crtc_convert_to_umode(&u_mode, mode); |
| 2093 | if (copy_to_user(mode_ptr + copied, |
| 2094 | &u_mode, sizeof(u_mode))) { |
| 2095 | ret = -EFAULT; |
| 2096 | goto out; |
| 2097 | } |
| 2098 | copied++; |
| 2099 | } |
| 2100 | } |
| 2101 | out_resp->count_modes = mode_count; |
| 2102 | |
| 2103 | if ((out_resp->count_props >= props_count) && props_count) { |
| 2104 | copied = 0; |
Ville Syrjälä | 81f6c7f | 2011-12-20 00:06:42 +0200 | [diff] [blame] | 2105 | prop_ptr = (uint32_t __user *)(unsigned long)(out_resp->props_ptr); |
| 2106 | prop_values = (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr); |
Paulo Zanoni | 7f88a9b | 2012-05-15 18:09:04 -0300 | [diff] [blame] | 2107 | for (i = 0; i < connector->properties.count; i++) { |
| 2108 | if (put_user(connector->properties.ids[i], |
| 2109 | prop_ptr + copied)) { |
| 2110 | ret = -EFAULT; |
| 2111 | goto out; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2112 | } |
Paulo Zanoni | 7f88a9b | 2012-05-15 18:09:04 -0300 | [diff] [blame] | 2113 | |
| 2114 | if (put_user(connector->properties.values[i], |
| 2115 | prop_values + copied)) { |
| 2116 | ret = -EFAULT; |
| 2117 | goto out; |
| 2118 | } |
| 2119 | copied++; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2120 | } |
| 2121 | } |
| 2122 | out_resp->count_props = props_count; |
| 2123 | |
| 2124 | if ((out_resp->count_encoders >= encoders_count) && encoders_count) { |
| 2125 | copied = 0; |
Ville Syrjälä | 81f6c7f | 2011-12-20 00:06:42 +0200 | [diff] [blame] | 2126 | encoder_ptr = (uint32_t __user *)(unsigned long)(out_resp->encoders_ptr); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2127 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { |
| 2128 | if (connector->encoder_ids[i] != 0) { |
| 2129 | if (put_user(connector->encoder_ids[i], |
| 2130 | encoder_ptr + copied)) { |
| 2131 | ret = -EFAULT; |
| 2132 | goto out; |
| 2133 | } |
| 2134 | copied++; |
| 2135 | } |
| 2136 | } |
| 2137 | } |
| 2138 | out_resp->count_encoders = encoders_count; |
| 2139 | |
| 2140 | out: |
Daniel Vetter | 7b24056 | 2012-12-12 00:35:33 +0100 | [diff] [blame] | 2141 | mutex_unlock(&dev->mode_config.mutex); |
| 2142 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2143 | return ret; |
| 2144 | } |
| 2145 | |
Daniel Vetter | abd69c5 | 2014-11-25 23:50:05 +0100 | [diff] [blame] | 2146 | static struct drm_crtc *drm_encoder_get_crtc(struct drm_encoder *encoder) |
| 2147 | { |
| 2148 | struct drm_connector *connector; |
| 2149 | struct drm_device *dev = encoder->dev; |
| 2150 | bool uses_atomic = false; |
| 2151 | |
| 2152 | /* For atomic drivers only state objects are synchronously updated and |
| 2153 | * protected by modeset locks, so check those first. */ |
| 2154 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
| 2155 | if (!connector->state) |
| 2156 | continue; |
| 2157 | |
| 2158 | uses_atomic = true; |
| 2159 | |
| 2160 | if (connector->state->best_encoder != encoder) |
| 2161 | continue; |
| 2162 | |
| 2163 | return connector->state->crtc; |
| 2164 | } |
| 2165 | |
| 2166 | /* Don't return stale data (e.g. pending async disable). */ |
| 2167 | if (uses_atomic) |
| 2168 | return NULL; |
| 2169 | |
| 2170 | return encoder->crtc; |
| 2171 | } |
| 2172 | |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 2173 | /** |
| 2174 | * drm_mode_getencoder - get encoder configuration |
| 2175 | * @dev: drm device for the ioctl |
| 2176 | * @data: data pointer for the ioctl |
| 2177 | * @file_priv: drm file for the ioctl call |
| 2178 | * |
| 2179 | * Construct a encoder configuration structure to return to the user. |
| 2180 | * |
| 2181 | * Called by the user via ioctl. |
| 2182 | * |
| 2183 | * Returns: |
Daniel Vetter | 1a49863 | 2014-11-19 18:38:09 +0100 | [diff] [blame] | 2184 | * Zero on success, negative errno on failure. |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 2185 | */ |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2186 | int drm_mode_getencoder(struct drm_device *dev, void *data, |
| 2187 | struct drm_file *file_priv) |
| 2188 | { |
| 2189 | struct drm_mode_get_encoder *enc_resp = data; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2190 | struct drm_encoder *encoder; |
Daniel Vetter | abd69c5 | 2014-11-25 23:50:05 +0100 | [diff] [blame] | 2191 | struct drm_crtc *crtc; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2192 | |
Dave Airlie | fb3b06c | 2011-02-08 13:55:21 +1000 | [diff] [blame] | 2193 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
| 2194 | return -EINVAL; |
| 2195 | |
Rob Clark | a2b34e2 | 2013-10-05 16:36:52 -0400 | [diff] [blame] | 2196 | encoder = drm_encoder_find(dev, enc_resp->encoder_id); |
Daniel Vetter | fcf93f6 | 2014-11-12 08:45:01 +0100 | [diff] [blame] | 2197 | if (!encoder) |
| 2198 | return -ENOENT; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2199 | |
Daniel Vetter | fcf93f6 | 2014-11-12 08:45:01 +0100 | [diff] [blame] | 2200 | drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); |
Daniel Vetter | abd69c5 | 2014-11-25 23:50:05 +0100 | [diff] [blame] | 2201 | crtc = drm_encoder_get_crtc(encoder); |
| 2202 | if (crtc) |
| 2203 | enc_resp->crtc_id = crtc->base.id; |
| 2204 | else if (encoder->crtc) |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2205 | enc_resp->crtc_id = encoder->crtc->base.id; |
| 2206 | else |
| 2207 | enc_resp->crtc_id = 0; |
Daniel Vetter | fcf93f6 | 2014-11-12 08:45:01 +0100 | [diff] [blame] | 2208 | drm_modeset_unlock(&dev->mode_config.connection_mutex); |
| 2209 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2210 | enc_resp->encoder_type = encoder->encoder_type; |
| 2211 | enc_resp->encoder_id = encoder->base.id; |
| 2212 | enc_resp->possible_crtcs = encoder->possible_crtcs; |
| 2213 | enc_resp->possible_clones = encoder->possible_clones; |
| 2214 | |
Daniel Vetter | baf698b | 2014-11-12 11:59:47 +0100 | [diff] [blame] | 2215 | return 0; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2216 | } |
| 2217 | |
| 2218 | /** |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 2219 | * drm_mode_getplane_res - enumerate all plane resources |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 2220 | * @dev: DRM device |
| 2221 | * @data: ioctl data |
| 2222 | * @file_priv: DRM file info |
| 2223 | * |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 2224 | * Construct a list of plane ids to return to the user. |
| 2225 | * |
| 2226 | * Called by the user via ioctl. |
| 2227 | * |
| 2228 | * Returns: |
Daniel Vetter | 1a49863 | 2014-11-19 18:38:09 +0100 | [diff] [blame] | 2229 | * Zero on success, negative errno on failure. |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 2230 | */ |
| 2231 | int drm_mode_getplane_res(struct drm_device *dev, void *data, |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 2232 | struct drm_file *file_priv) |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 2233 | { |
| 2234 | struct drm_mode_get_plane_res *plane_resp = data; |
| 2235 | struct drm_mode_config *config; |
| 2236 | struct drm_plane *plane; |
| 2237 | uint32_t __user *plane_ptr; |
Daniel Vetter | fcf93f6 | 2014-11-12 08:45:01 +0100 | [diff] [blame] | 2238 | int copied = 0; |
Matt Roper | 681e7ec | 2014-04-01 15:22:42 -0700 | [diff] [blame] | 2239 | unsigned num_planes; |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 2240 | |
| 2241 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
| 2242 | return -EINVAL; |
| 2243 | |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 2244 | config = &dev->mode_config; |
| 2245 | |
Matt Roper | 681e7ec | 2014-04-01 15:22:42 -0700 | [diff] [blame] | 2246 | if (file_priv->universal_planes) |
| 2247 | num_planes = config->num_total_plane; |
| 2248 | else |
| 2249 | num_planes = config->num_overlay_plane; |
| 2250 | |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 2251 | /* |
| 2252 | * This ioctl is called twice, once to determine how much space is |
| 2253 | * needed, and the 2nd time to fill it. |
| 2254 | */ |
Matt Roper | 681e7ec | 2014-04-01 15:22:42 -0700 | [diff] [blame] | 2255 | if (num_planes && |
| 2256 | (plane_resp->count_planes >= num_planes)) { |
Ville Syrjälä | 81f6c7f | 2011-12-20 00:06:42 +0200 | [diff] [blame] | 2257 | plane_ptr = (uint32_t __user *)(unsigned long)plane_resp->plane_id_ptr; |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 2258 | |
Daniel Vetter | fcf93f6 | 2014-11-12 08:45:01 +0100 | [diff] [blame] | 2259 | /* Plane lists are invariant, no locking needed. */ |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 2260 | list_for_each_entry(plane, &config->plane_list, head) { |
Matt Roper | 681e7ec | 2014-04-01 15:22:42 -0700 | [diff] [blame] | 2261 | /* |
| 2262 | * Unless userspace set the 'universal planes' |
| 2263 | * capability bit, only advertise overlays. |
| 2264 | */ |
| 2265 | if (plane->type != DRM_PLANE_TYPE_OVERLAY && |
| 2266 | !file_priv->universal_planes) |
Matt Roper | e27dde3 | 2014-04-01 15:22:30 -0700 | [diff] [blame] | 2267 | continue; |
| 2268 | |
Daniel Vetter | fcf93f6 | 2014-11-12 08:45:01 +0100 | [diff] [blame] | 2269 | if (put_user(plane->base.id, plane_ptr + copied)) |
| 2270 | return -EFAULT; |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 2271 | copied++; |
| 2272 | } |
| 2273 | } |
Matt Roper | 681e7ec | 2014-04-01 15:22:42 -0700 | [diff] [blame] | 2274 | plane_resp->count_planes = num_planes; |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 2275 | |
Daniel Vetter | fcf93f6 | 2014-11-12 08:45:01 +0100 | [diff] [blame] | 2276 | return 0; |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 2277 | } |
| 2278 | |
| 2279 | /** |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 2280 | * drm_mode_getplane - get plane configuration |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 2281 | * @dev: DRM device |
| 2282 | * @data: ioctl data |
| 2283 | * @file_priv: DRM file info |
| 2284 | * |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 2285 | * Construct a plane configuration structure to return to the user. |
| 2286 | * |
| 2287 | * Called by the user via ioctl. |
| 2288 | * |
| 2289 | * Returns: |
Daniel Vetter | 1a49863 | 2014-11-19 18:38:09 +0100 | [diff] [blame] | 2290 | * Zero on success, negative errno on failure. |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 2291 | */ |
| 2292 | int drm_mode_getplane(struct drm_device *dev, void *data, |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 2293 | struct drm_file *file_priv) |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 2294 | { |
| 2295 | struct drm_mode_get_plane *plane_resp = data; |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 2296 | struct drm_plane *plane; |
| 2297 | uint32_t __user *format_ptr; |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 2298 | |
| 2299 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
| 2300 | return -EINVAL; |
| 2301 | |
Rob Clark | a2b34e2 | 2013-10-05 16:36:52 -0400 | [diff] [blame] | 2302 | plane = drm_plane_find(dev, plane_resp->plane_id); |
Daniel Vetter | fcf93f6 | 2014-11-12 08:45:01 +0100 | [diff] [blame] | 2303 | if (!plane) |
| 2304 | return -ENOENT; |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 2305 | |
Daniel Vetter | fcf93f6 | 2014-11-12 08:45:01 +0100 | [diff] [blame] | 2306 | drm_modeset_lock(&plane->mutex, NULL); |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 2307 | if (plane->crtc) |
| 2308 | plane_resp->crtc_id = plane->crtc->base.id; |
| 2309 | else |
| 2310 | plane_resp->crtc_id = 0; |
| 2311 | |
| 2312 | if (plane->fb) |
| 2313 | plane_resp->fb_id = plane->fb->base.id; |
| 2314 | else |
| 2315 | plane_resp->fb_id = 0; |
Daniel Vetter | fcf93f6 | 2014-11-12 08:45:01 +0100 | [diff] [blame] | 2316 | drm_modeset_unlock(&plane->mutex); |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 2317 | |
| 2318 | plane_resp->plane_id = plane->base.id; |
| 2319 | plane_resp->possible_crtcs = plane->possible_crtcs; |
Ville Syrjälä | 778ad90 | 2013-06-03 16:11:42 +0300 | [diff] [blame] | 2320 | plane_resp->gamma_size = 0; |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 2321 | |
| 2322 | /* |
| 2323 | * This ioctl is called twice, once to determine how much space is |
| 2324 | * needed, and the 2nd time to fill it. |
| 2325 | */ |
| 2326 | if (plane->format_count && |
| 2327 | (plane_resp->count_format_types >= plane->format_count)) { |
Ville Syrjälä | 81f6c7f | 2011-12-20 00:06:42 +0200 | [diff] [blame] | 2328 | format_ptr = (uint32_t __user *)(unsigned long)plane_resp->format_type_ptr; |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 2329 | if (copy_to_user(format_ptr, |
| 2330 | plane->format_types, |
| 2331 | sizeof(uint32_t) * plane->format_count)) { |
Daniel Vetter | fcf93f6 | 2014-11-12 08:45:01 +0100 | [diff] [blame] | 2332 | return -EFAULT; |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 2333 | } |
| 2334 | } |
| 2335 | plane_resp->count_format_types = plane->format_count; |
| 2336 | |
Daniel Vetter | baf698b | 2014-11-12 11:59:47 +0100 | [diff] [blame] | 2337 | return 0; |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 2338 | } |
| 2339 | |
Matt Roper | b36552b | 2014-06-10 08:28:09 -0700 | [diff] [blame] | 2340 | /* |
| 2341 | * setplane_internal - setplane handler for internal callers |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 2342 | * |
Matt Roper | b36552b | 2014-06-10 08:28:09 -0700 | [diff] [blame] | 2343 | * Note that we assume an extra reference has already been taken on fb. If the |
| 2344 | * update fails, this reference will be dropped before return; if it succeeds, |
| 2345 | * the previous framebuffer (if any) will be unreferenced instead. |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 2346 | * |
Matt Roper | b36552b | 2014-06-10 08:28:09 -0700 | [diff] [blame] | 2347 | * src_{x,y,w,h} are provided in 16.16 fixed point format |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 2348 | */ |
Daniel Vetter | f2b50c1 | 2014-09-12 17:07:32 +0200 | [diff] [blame] | 2349 | static int __setplane_internal(struct drm_plane *plane, |
| 2350 | struct drm_crtc *crtc, |
| 2351 | struct drm_framebuffer *fb, |
| 2352 | int32_t crtc_x, int32_t crtc_y, |
| 2353 | uint32_t crtc_w, uint32_t crtc_h, |
| 2354 | /* src_{x,y,w,h} values are 16.16 fixed point */ |
| 2355 | uint32_t src_x, uint32_t src_y, |
| 2356 | uint32_t src_w, uint32_t src_h) |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 2357 | { |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 2358 | int ret = 0; |
Ville Syrjälä | 42ef878 | 2011-12-20 00:06:44 +0200 | [diff] [blame] | 2359 | unsigned int fb_width, fb_height; |
Thierry Reding | 2f76331 | 2014-10-13 12:45:57 +0200 | [diff] [blame] | 2360 | unsigned int i; |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 2361 | |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 2362 | /* No fb means shut it down */ |
Matt Roper | b36552b | 2014-06-10 08:28:09 -0700 | [diff] [blame] | 2363 | if (!fb) { |
Daniel Vetter | 3d30a59 | 2014-07-27 13:42:42 +0200 | [diff] [blame] | 2364 | plane->old_fb = plane->fb; |
Daniel Vetter | 731cce4 | 2014-04-23 10:24:11 +0200 | [diff] [blame] | 2365 | ret = plane->funcs->disable_plane(plane); |
| 2366 | if (!ret) { |
| 2367 | plane->crtc = NULL; |
| 2368 | plane->fb = NULL; |
| 2369 | } else { |
Daniel Vetter | 3d30a59 | 2014-07-27 13:42:42 +0200 | [diff] [blame] | 2370 | plane->old_fb = NULL; |
Daniel Vetter | 731cce4 | 2014-04-23 10:24:11 +0200 | [diff] [blame] | 2371 | } |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 2372 | goto out; |
| 2373 | } |
| 2374 | |
Matt Roper | 7f994f3 | 2014-05-29 08:06:51 -0700 | [diff] [blame] | 2375 | /* Check whether this plane is usable on this CRTC */ |
| 2376 | if (!(plane->possible_crtcs & drm_crtc_mask(crtc))) { |
| 2377 | DRM_DEBUG_KMS("Invalid crtc for plane\n"); |
| 2378 | ret = -EINVAL; |
| 2379 | goto out; |
| 2380 | } |
| 2381 | |
Ville Syrjälä | 62443be | 2011-12-20 00:06:47 +0200 | [diff] [blame] | 2382 | /* Check whether this plane supports the fb pixel format. */ |
| 2383 | for (i = 0; i < plane->format_count; i++) |
| 2384 | if (fb->pixel_format == plane->format_types[i]) |
| 2385 | break; |
| 2386 | if (i == plane->format_count) { |
Ville Syrjälä | 6ba6d03 | 2013-06-10 11:15:10 +0300 | [diff] [blame] | 2387 | DRM_DEBUG_KMS("Invalid pixel format %s\n", |
| 2388 | drm_get_format_name(fb->pixel_format)); |
Ville Syrjälä | 62443be | 2011-12-20 00:06:47 +0200 | [diff] [blame] | 2389 | ret = -EINVAL; |
| 2390 | goto out; |
| 2391 | } |
| 2392 | |
Ville Syrjälä | 42ef878 | 2011-12-20 00:06:44 +0200 | [diff] [blame] | 2393 | fb_width = fb->width << 16; |
| 2394 | fb_height = fb->height << 16; |
| 2395 | |
| 2396 | /* Make sure source coordinates are inside the fb. */ |
Matt Roper | b36552b | 2014-06-10 08:28:09 -0700 | [diff] [blame] | 2397 | if (src_w > fb_width || |
| 2398 | src_x > fb_width - src_w || |
| 2399 | src_h > fb_height || |
| 2400 | src_y > fb_height - src_h) { |
Ville Syrjälä | 42ef878 | 2011-12-20 00:06:44 +0200 | [diff] [blame] | 2401 | DRM_DEBUG_KMS("Invalid source coordinates " |
| 2402 | "%u.%06ux%u.%06u+%u.%06u+%u.%06u\n", |
Matt Roper | b36552b | 2014-06-10 08:28:09 -0700 | [diff] [blame] | 2403 | src_w >> 16, ((src_w & 0xffff) * 15625) >> 10, |
| 2404 | src_h >> 16, ((src_h & 0xffff) * 15625) >> 10, |
| 2405 | src_x >> 16, ((src_x & 0xffff) * 15625) >> 10, |
| 2406 | src_y >> 16, ((src_y & 0xffff) * 15625) >> 10); |
Ville Syrjälä | 42ef878 | 2011-12-20 00:06:44 +0200 | [diff] [blame] | 2407 | ret = -ENOSPC; |
| 2408 | goto out; |
| 2409 | } |
| 2410 | |
Daniel Vetter | 3d30a59 | 2014-07-27 13:42:42 +0200 | [diff] [blame] | 2411 | plane->old_fb = plane->fb; |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 2412 | ret = plane->funcs->update_plane(plane, crtc, fb, |
Matt Roper | b36552b | 2014-06-10 08:28:09 -0700 | [diff] [blame] | 2413 | crtc_x, crtc_y, crtc_w, crtc_h, |
| 2414 | src_x, src_y, src_w, src_h); |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 2415 | if (!ret) { |
| 2416 | plane->crtc = crtc; |
| 2417 | plane->fb = fb; |
Daniel Vetter | 35f8bad | 2013-02-15 21:21:37 +0100 | [diff] [blame] | 2418 | fb = NULL; |
Daniel Vetter | 0fe27f0 | 2014-04-23 17:34:06 +0200 | [diff] [blame] | 2419 | } else { |
Daniel Vetter | 3d30a59 | 2014-07-27 13:42:42 +0200 | [diff] [blame] | 2420 | plane->old_fb = NULL; |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 2421 | } |
| 2422 | |
| 2423 | out: |
Daniel Vetter | 6c2a753 | 2012-12-11 00:59:24 +0100 | [diff] [blame] | 2424 | if (fb) |
| 2425 | drm_framebuffer_unreference(fb); |
Daniel Vetter | 3d30a59 | 2014-07-27 13:42:42 +0200 | [diff] [blame] | 2426 | if (plane->old_fb) |
| 2427 | drm_framebuffer_unreference(plane->old_fb); |
| 2428 | plane->old_fb = NULL; |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 2429 | |
| 2430 | return ret; |
Daniel Vetter | f2b50c1 | 2014-09-12 17:07:32 +0200 | [diff] [blame] | 2431 | } |
Matt Roper | b36552b | 2014-06-10 08:28:09 -0700 | [diff] [blame] | 2432 | |
Daniel Vetter | f2b50c1 | 2014-09-12 17:07:32 +0200 | [diff] [blame] | 2433 | static int setplane_internal(struct drm_plane *plane, |
| 2434 | struct drm_crtc *crtc, |
| 2435 | struct drm_framebuffer *fb, |
| 2436 | int32_t crtc_x, int32_t crtc_y, |
| 2437 | uint32_t crtc_w, uint32_t crtc_h, |
| 2438 | /* src_{x,y,w,h} values are 16.16 fixed point */ |
| 2439 | uint32_t src_x, uint32_t src_y, |
| 2440 | uint32_t src_w, uint32_t src_h) |
| 2441 | { |
| 2442 | int ret; |
| 2443 | |
| 2444 | drm_modeset_lock_all(plane->dev); |
| 2445 | ret = __setplane_internal(plane, crtc, fb, |
| 2446 | crtc_x, crtc_y, crtc_w, crtc_h, |
| 2447 | src_x, src_y, src_w, src_h); |
| 2448 | drm_modeset_unlock_all(plane->dev); |
| 2449 | |
| 2450 | return ret; |
Matt Roper | b36552b | 2014-06-10 08:28:09 -0700 | [diff] [blame] | 2451 | } |
| 2452 | |
| 2453 | /** |
| 2454 | * drm_mode_setplane - configure a plane's configuration |
| 2455 | * @dev: DRM device |
| 2456 | * @data: ioctl data* |
| 2457 | * @file_priv: DRM file info |
| 2458 | * |
| 2459 | * Set plane configuration, including placement, fb, scaling, and other factors. |
| 2460 | * Or pass a NULL fb to disable (planes may be disabled without providing a |
| 2461 | * valid crtc). |
| 2462 | * |
| 2463 | * Returns: |
Daniel Vetter | 1a49863 | 2014-11-19 18:38:09 +0100 | [diff] [blame] | 2464 | * Zero on success, negative errno on failure. |
Matt Roper | b36552b | 2014-06-10 08:28:09 -0700 | [diff] [blame] | 2465 | */ |
| 2466 | int drm_mode_setplane(struct drm_device *dev, void *data, |
| 2467 | struct drm_file *file_priv) |
| 2468 | { |
| 2469 | struct drm_mode_set_plane *plane_req = data; |
Matt Roper | b36552b | 2014-06-10 08:28:09 -0700 | [diff] [blame] | 2470 | struct drm_plane *plane; |
| 2471 | struct drm_crtc *crtc = NULL; |
| 2472 | struct drm_framebuffer *fb = NULL; |
| 2473 | |
| 2474 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
| 2475 | return -EINVAL; |
| 2476 | |
| 2477 | /* Give drivers some help against integer overflows */ |
| 2478 | if (plane_req->crtc_w > INT_MAX || |
| 2479 | plane_req->crtc_x > INT_MAX - (int32_t) plane_req->crtc_w || |
| 2480 | plane_req->crtc_h > INT_MAX || |
| 2481 | plane_req->crtc_y > INT_MAX - (int32_t) plane_req->crtc_h) { |
| 2482 | DRM_DEBUG_KMS("Invalid CRTC coordinates %ux%u+%d+%d\n", |
| 2483 | plane_req->crtc_w, plane_req->crtc_h, |
| 2484 | plane_req->crtc_x, plane_req->crtc_y); |
| 2485 | return -ERANGE; |
| 2486 | } |
| 2487 | |
| 2488 | /* |
| 2489 | * First, find the plane, crtc, and fb objects. If not available, |
| 2490 | * we don't bother to call the driver. |
| 2491 | */ |
Rob Clark | 933f622 | 2014-11-25 20:33:11 -0500 | [diff] [blame] | 2492 | plane = drm_plane_find(dev, plane_req->plane_id); |
| 2493 | if (!plane) { |
Matt Roper | b36552b | 2014-06-10 08:28:09 -0700 | [diff] [blame] | 2494 | DRM_DEBUG_KMS("Unknown plane ID %d\n", |
| 2495 | plane_req->plane_id); |
| 2496 | return -ENOENT; |
| 2497 | } |
Matt Roper | b36552b | 2014-06-10 08:28:09 -0700 | [diff] [blame] | 2498 | |
| 2499 | if (plane_req->fb_id) { |
| 2500 | fb = drm_framebuffer_lookup(dev, plane_req->fb_id); |
| 2501 | if (!fb) { |
| 2502 | DRM_DEBUG_KMS("Unknown framebuffer ID %d\n", |
| 2503 | plane_req->fb_id); |
| 2504 | return -ENOENT; |
| 2505 | } |
| 2506 | |
Rob Clark | 933f622 | 2014-11-25 20:33:11 -0500 | [diff] [blame] | 2507 | crtc = drm_crtc_find(dev, plane_req->crtc_id); |
| 2508 | if (!crtc) { |
Matt Roper | b36552b | 2014-06-10 08:28:09 -0700 | [diff] [blame] | 2509 | DRM_DEBUG_KMS("Unknown crtc ID %d\n", |
| 2510 | plane_req->crtc_id); |
| 2511 | return -ENOENT; |
| 2512 | } |
Matt Roper | b36552b | 2014-06-10 08:28:09 -0700 | [diff] [blame] | 2513 | } |
| 2514 | |
Matt Roper | 161d0dc | 2014-06-10 08:28:10 -0700 | [diff] [blame] | 2515 | /* |
| 2516 | * setplane_internal will take care of deref'ing either the old or new |
| 2517 | * framebuffer depending on success. |
| 2518 | */ |
Chris Wilson | 17cfd91 | 2014-06-13 15:22:28 +0100 | [diff] [blame] | 2519 | return setplane_internal(plane, crtc, fb, |
Matt Roper | b36552b | 2014-06-10 08:28:09 -0700 | [diff] [blame] | 2520 | plane_req->crtc_x, plane_req->crtc_y, |
| 2521 | plane_req->crtc_w, plane_req->crtc_h, |
| 2522 | plane_req->src_x, plane_req->src_y, |
| 2523 | plane_req->src_w, plane_req->src_h); |
Jesse Barnes | 8cf5c91 | 2011-11-14 14:51:27 -0800 | [diff] [blame] | 2524 | } |
| 2525 | |
| 2526 | /** |
Daniel Vetter | 2d13b67 | 2012-12-11 13:47:23 +0100 | [diff] [blame] | 2527 | * drm_mode_set_config_internal - helper to call ->set_config |
| 2528 | * @set: modeset config to set |
| 2529 | * |
| 2530 | * This is a little helper to wrap internal calls to the ->set_config driver |
| 2531 | * interface. The only thing it adds is correct refcounting dance. |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 2532 | * |
| 2533 | * Returns: |
Daniel Vetter | 1a49863 | 2014-11-19 18:38:09 +0100 | [diff] [blame] | 2534 | * Zero on success, negative errno on failure. |
Daniel Vetter | 2d13b67 | 2012-12-11 13:47:23 +0100 | [diff] [blame] | 2535 | */ |
| 2536 | int drm_mode_set_config_internal(struct drm_mode_set *set) |
| 2537 | { |
| 2538 | struct drm_crtc *crtc = set->crtc; |
Daniel Vetter | 5cef29a | 2013-06-15 00:13:16 +0200 | [diff] [blame] | 2539 | struct drm_framebuffer *fb; |
| 2540 | struct drm_crtc *tmp; |
Daniel Vetter | b0d1232 | 2012-12-11 01:07:12 +0100 | [diff] [blame] | 2541 | int ret; |
Daniel Vetter | 2d13b67 | 2012-12-11 13:47:23 +0100 | [diff] [blame] | 2542 | |
Daniel Vetter | 5cef29a | 2013-06-15 00:13:16 +0200 | [diff] [blame] | 2543 | /* |
| 2544 | * NOTE: ->set_config can also disable other crtcs (if we steal all |
| 2545 | * connectors from it), hence we need to refcount the fbs across all |
| 2546 | * crtcs. Atomic modeset will have saner semantics ... |
| 2547 | */ |
| 2548 | list_for_each_entry(tmp, &crtc->dev->mode_config.crtc_list, head) |
Daniel Vetter | 3d30a59 | 2014-07-27 13:42:42 +0200 | [diff] [blame] | 2549 | tmp->primary->old_fb = tmp->primary->fb; |
Daniel Vetter | 5cef29a | 2013-06-15 00:13:16 +0200 | [diff] [blame] | 2550 | |
Daniel Vetter | b0d1232 | 2012-12-11 01:07:12 +0100 | [diff] [blame] | 2551 | fb = set->fb; |
| 2552 | |
| 2553 | ret = crtc->funcs->set_config(set); |
| 2554 | if (ret == 0) { |
Matt Roper | e13161a | 2014-04-01 15:22:38 -0700 | [diff] [blame] | 2555 | crtc->primary->crtc = crtc; |
Daniel Vetter | 0fe27f0 | 2014-04-23 17:34:06 +0200 | [diff] [blame] | 2556 | crtc->primary->fb = fb; |
Daniel Vetter | 5cef29a | 2013-06-15 00:13:16 +0200 | [diff] [blame] | 2557 | } |
Daniel Vetter | cc85e12 | 2013-06-15 00:13:15 +0200 | [diff] [blame] | 2558 | |
Daniel Vetter | 5cef29a | 2013-06-15 00:13:16 +0200 | [diff] [blame] | 2559 | list_for_each_entry(tmp, &crtc->dev->mode_config.crtc_list, head) { |
Matt Roper | f4510a2 | 2014-04-01 15:22:40 -0700 | [diff] [blame] | 2560 | if (tmp->primary->fb) |
| 2561 | drm_framebuffer_reference(tmp->primary->fb); |
Daniel Vetter | 3d30a59 | 2014-07-27 13:42:42 +0200 | [diff] [blame] | 2562 | if (tmp->primary->old_fb) |
| 2563 | drm_framebuffer_unreference(tmp->primary->old_fb); |
| 2564 | tmp->primary->old_fb = NULL; |
Daniel Vetter | b0d1232 | 2012-12-11 01:07:12 +0100 | [diff] [blame] | 2565 | } |
| 2566 | |
| 2567 | return ret; |
Daniel Vetter | 2d13b67 | 2012-12-11 13:47:23 +0100 | [diff] [blame] | 2568 | } |
| 2569 | EXPORT_SYMBOL(drm_mode_set_config_internal); |
| 2570 | |
Matt Roper | af93629 | 2014-04-01 15:22:34 -0700 | [diff] [blame] | 2571 | /** |
| 2572 | * drm_crtc_check_viewport - Checks that a framebuffer is big enough for the |
| 2573 | * CRTC viewport |
| 2574 | * @crtc: CRTC that framebuffer will be displayed on |
| 2575 | * @x: x panning |
| 2576 | * @y: y panning |
| 2577 | * @mode: mode that framebuffer will be displayed under |
| 2578 | * @fb: framebuffer to check size of |
Damien Lespiau | c11e928 | 2013-09-25 16:45:30 +0100 | [diff] [blame] | 2579 | */ |
Matt Roper | af93629 | 2014-04-01 15:22:34 -0700 | [diff] [blame] | 2580 | int drm_crtc_check_viewport(const struct drm_crtc *crtc, |
| 2581 | int x, int y, |
| 2582 | const struct drm_display_mode *mode, |
| 2583 | const struct drm_framebuffer *fb) |
Damien Lespiau | c11e928 | 2013-09-25 16:45:30 +0100 | [diff] [blame] | 2584 | |
| 2585 | { |
| 2586 | int hdisplay, vdisplay; |
| 2587 | |
| 2588 | hdisplay = mode->hdisplay; |
| 2589 | vdisplay = mode->vdisplay; |
| 2590 | |
Damien Lespiau | a0c1bbb | 2013-09-25 16:45:31 +0100 | [diff] [blame] | 2591 | if (drm_mode_is_stereo(mode)) { |
| 2592 | struct drm_display_mode adjusted = *mode; |
| 2593 | |
| 2594 | drm_mode_set_crtcinfo(&adjusted, CRTC_STEREO_DOUBLE); |
| 2595 | hdisplay = adjusted.crtc_hdisplay; |
| 2596 | vdisplay = adjusted.crtc_vdisplay; |
| 2597 | } |
| 2598 | |
Damien Lespiau | c11e928 | 2013-09-25 16:45:30 +0100 | [diff] [blame] | 2599 | if (crtc->invert_dimensions) |
| 2600 | swap(hdisplay, vdisplay); |
| 2601 | |
| 2602 | if (hdisplay > fb->width || |
| 2603 | vdisplay > fb->height || |
| 2604 | x > fb->width - hdisplay || |
| 2605 | y > fb->height - vdisplay) { |
| 2606 | DRM_DEBUG_KMS("Invalid fb size %ux%u for CRTC viewport %ux%u+%d+%d%s.\n", |
| 2607 | fb->width, fb->height, hdisplay, vdisplay, x, y, |
| 2608 | crtc->invert_dimensions ? " (inverted)" : ""); |
| 2609 | return -ENOSPC; |
| 2610 | } |
| 2611 | |
| 2612 | return 0; |
| 2613 | } |
Matt Roper | af93629 | 2014-04-01 15:22:34 -0700 | [diff] [blame] | 2614 | EXPORT_SYMBOL(drm_crtc_check_viewport); |
Damien Lespiau | c11e928 | 2013-09-25 16:45:30 +0100 | [diff] [blame] | 2615 | |
Daniel Vetter | 2d13b67 | 2012-12-11 13:47:23 +0100 | [diff] [blame] | 2616 | /** |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2617 | * drm_mode_setcrtc - set CRTC configuration |
Daniel Vetter | 065a50ed | 2012-12-02 00:09:18 +0100 | [diff] [blame] | 2618 | * @dev: drm device for the ioctl |
| 2619 | * @data: data pointer for the ioctl |
| 2620 | * @file_priv: drm file for the ioctl call |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2621 | * |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2622 | * Build a new CRTC configuration based on user request. |
| 2623 | * |
| 2624 | * Called by the user via ioctl. |
| 2625 | * |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 2626 | * Returns: |
Daniel Vetter | 1a49863 | 2014-11-19 18:38:09 +0100 | [diff] [blame] | 2627 | * Zero on success, negative errno on failure. |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2628 | */ |
| 2629 | int drm_mode_setcrtc(struct drm_device *dev, void *data, |
| 2630 | struct drm_file *file_priv) |
| 2631 | { |
| 2632 | struct drm_mode_config *config = &dev->mode_config; |
| 2633 | struct drm_mode_crtc *crtc_req = data; |
Ville Syrjälä | 6653cc8 | 2012-03-13 12:35:38 +0200 | [diff] [blame] | 2634 | struct drm_crtc *crtc; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2635 | struct drm_connector **connector_set = NULL, *connector; |
| 2636 | struct drm_framebuffer *fb = NULL; |
| 2637 | struct drm_display_mode *mode = NULL; |
| 2638 | struct drm_mode_set set; |
| 2639 | uint32_t __user *set_connectors_ptr; |
Laurent Pinchart | 4a1b071 | 2012-05-17 13:27:21 +0200 | [diff] [blame] | 2640 | int ret; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2641 | int i; |
| 2642 | |
Dave Airlie | fb3b06c | 2011-02-08 13:55:21 +1000 | [diff] [blame] | 2643 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
| 2644 | return -EINVAL; |
| 2645 | |
Ville Syrjälä | 1d97e91 | 2012-03-13 12:35:41 +0200 | [diff] [blame] | 2646 | /* For some reason crtc x/y offsets are signed internally. */ |
| 2647 | if (crtc_req->x > INT_MAX || crtc_req->y > INT_MAX) |
| 2648 | return -ERANGE; |
| 2649 | |
Daniel Vetter | 8484990 | 2012-12-02 00:28:11 +0100 | [diff] [blame] | 2650 | drm_modeset_lock_all(dev); |
Rob Clark | a2b34e2 | 2013-10-05 16:36:52 -0400 | [diff] [blame] | 2651 | crtc = drm_crtc_find(dev, crtc_req->crtc_id); |
| 2652 | if (!crtc) { |
Zhao Yakui | 58367ed | 2009-07-20 13:48:07 +0800 | [diff] [blame] | 2653 | DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id); |
Ville Syrjälä | f27657f | 2013-10-17 13:35:00 +0300 | [diff] [blame] | 2654 | ret = -ENOENT; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2655 | goto out; |
| 2656 | } |
Jerome Glisse | 9440106 | 2010-07-15 15:43:25 -0400 | [diff] [blame] | 2657 | DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2658 | |
| 2659 | if (crtc_req->mode_valid) { |
| 2660 | /* If we have a mode we need a framebuffer. */ |
| 2661 | /* If we pass -1, set the mode with the currently bound fb */ |
| 2662 | if (crtc_req->fb_id == -1) { |
Matt Roper | f4510a2 | 2014-04-01 15:22:40 -0700 | [diff] [blame] | 2663 | if (!crtc->primary->fb) { |
Ville Syrjälä | 6653cc8 | 2012-03-13 12:35:38 +0200 | [diff] [blame] | 2664 | DRM_DEBUG_KMS("CRTC doesn't have current FB\n"); |
| 2665 | ret = -EINVAL; |
| 2666 | goto out; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2667 | } |
Matt Roper | f4510a2 | 2014-04-01 15:22:40 -0700 | [diff] [blame] | 2668 | fb = crtc->primary->fb; |
Daniel Vetter | b0d1232 | 2012-12-11 01:07:12 +0100 | [diff] [blame] | 2669 | /* Make refcounting symmetric with the lookup path. */ |
| 2670 | drm_framebuffer_reference(fb); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2671 | } else { |
Daniel Vetter | 786b99e | 2012-12-02 21:53:40 +0100 | [diff] [blame] | 2672 | fb = drm_framebuffer_lookup(dev, crtc_req->fb_id); |
| 2673 | if (!fb) { |
Zhao Yakui | 58367ed | 2009-07-20 13:48:07 +0800 | [diff] [blame] | 2674 | DRM_DEBUG_KMS("Unknown FB ID%d\n", |
| 2675 | crtc_req->fb_id); |
Ville Syrjälä | 37c4e70 | 2013-10-17 13:35:01 +0300 | [diff] [blame] | 2676 | ret = -ENOENT; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2677 | goto out; |
| 2678 | } |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2679 | } |
| 2680 | |
| 2681 | mode = drm_mode_create(dev); |
Ville Syrjälä | ee34ab5 | 2012-03-13 12:35:43 +0200 | [diff] [blame] | 2682 | if (!mode) { |
| 2683 | ret = -ENOMEM; |
| 2684 | goto out; |
| 2685 | } |
| 2686 | |
Ville Syrjälä | 90367bf | 2012-03-13 12:35:44 +0200 | [diff] [blame] | 2687 | ret = drm_crtc_convert_umode(mode, &crtc_req->mode); |
| 2688 | if (ret) { |
| 2689 | DRM_DEBUG_KMS("Invalid mode\n"); |
| 2690 | goto out; |
| 2691 | } |
| 2692 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2693 | drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V); |
Ville Syrjälä | 5f61bb4 | 2012-03-13 12:35:45 +0200 | [diff] [blame] | 2694 | |
Damien Lespiau | c11e928 | 2013-09-25 16:45:30 +0100 | [diff] [blame] | 2695 | ret = drm_crtc_check_viewport(crtc, crtc_req->x, crtc_req->y, |
| 2696 | mode, fb); |
| 2697 | if (ret) |
Ville Syrjälä | 5f61bb4 | 2012-03-13 12:35:45 +0200 | [diff] [blame] | 2698 | goto out; |
Damien Lespiau | c11e928 | 2013-09-25 16:45:30 +0100 | [diff] [blame] | 2699 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2700 | } |
| 2701 | |
| 2702 | if (crtc_req->count_connectors == 0 && mode) { |
Zhao Yakui | 58367ed | 2009-07-20 13:48:07 +0800 | [diff] [blame] | 2703 | DRM_DEBUG_KMS("Count connectors is 0 but mode set\n"); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2704 | ret = -EINVAL; |
| 2705 | goto out; |
| 2706 | } |
| 2707 | |
Jakob Bornecrantz | 7781de7 | 2009-08-03 13:43:58 +0100 | [diff] [blame] | 2708 | if (crtc_req->count_connectors > 0 && (!mode || !fb)) { |
Zhao Yakui | 58367ed | 2009-07-20 13:48:07 +0800 | [diff] [blame] | 2709 | DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n", |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2710 | crtc_req->count_connectors); |
| 2711 | ret = -EINVAL; |
| 2712 | goto out; |
| 2713 | } |
| 2714 | |
| 2715 | if (crtc_req->count_connectors > 0) { |
| 2716 | u32 out_id; |
| 2717 | |
| 2718 | /* Avoid unbounded kernel memory allocation */ |
| 2719 | if (crtc_req->count_connectors > config->num_connector) { |
| 2720 | ret = -EINVAL; |
| 2721 | goto out; |
| 2722 | } |
| 2723 | |
| 2724 | connector_set = kmalloc(crtc_req->count_connectors * |
| 2725 | sizeof(struct drm_connector *), |
| 2726 | GFP_KERNEL); |
| 2727 | if (!connector_set) { |
| 2728 | ret = -ENOMEM; |
| 2729 | goto out; |
| 2730 | } |
| 2731 | |
| 2732 | for (i = 0; i < crtc_req->count_connectors; i++) { |
Ville Syrjälä | 81f6c7f | 2011-12-20 00:06:42 +0200 | [diff] [blame] | 2733 | set_connectors_ptr = (uint32_t __user *)(unsigned long)crtc_req->set_connectors_ptr; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2734 | if (get_user(out_id, &set_connectors_ptr[i])) { |
| 2735 | ret = -EFAULT; |
| 2736 | goto out; |
| 2737 | } |
| 2738 | |
Rob Clark | a2b34e2 | 2013-10-05 16:36:52 -0400 | [diff] [blame] | 2739 | connector = drm_connector_find(dev, out_id); |
| 2740 | if (!connector) { |
Zhao Yakui | 58367ed | 2009-07-20 13:48:07 +0800 | [diff] [blame] | 2741 | DRM_DEBUG_KMS("Connector id %d unknown\n", |
| 2742 | out_id); |
Ville Syrjälä | f27657f | 2013-10-17 13:35:00 +0300 | [diff] [blame] | 2743 | ret = -ENOENT; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2744 | goto out; |
| 2745 | } |
Jerome Glisse | 9440106 | 2010-07-15 15:43:25 -0400 | [diff] [blame] | 2746 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", |
| 2747 | connector->base.id, |
Jani Nikula | 2593382 | 2014-06-03 14:56:20 +0300 | [diff] [blame] | 2748 | connector->name); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2749 | |
| 2750 | connector_set[i] = connector; |
| 2751 | } |
| 2752 | } |
| 2753 | |
| 2754 | set.crtc = crtc; |
| 2755 | set.x = crtc_req->x; |
| 2756 | set.y = crtc_req->y; |
| 2757 | set.mode = mode; |
| 2758 | set.connectors = connector_set; |
| 2759 | set.num_connectors = crtc_req->count_connectors; |
Dave Airlie | 5ef5f72 | 2009-08-17 13:11:23 +1000 | [diff] [blame] | 2760 | set.fb = fb; |
Daniel Vetter | 2d13b67 | 2012-12-11 13:47:23 +0100 | [diff] [blame] | 2761 | ret = drm_mode_set_config_internal(&set); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2762 | |
| 2763 | out: |
Daniel Vetter | b0d1232 | 2012-12-11 01:07:12 +0100 | [diff] [blame] | 2764 | if (fb) |
| 2765 | drm_framebuffer_unreference(fb); |
| 2766 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2767 | kfree(connector_set); |
Ville Syrjälä | ee34ab5 | 2012-03-13 12:35:43 +0200 | [diff] [blame] | 2768 | drm_mode_destroy(dev, mode); |
Daniel Vetter | 8484990 | 2012-12-02 00:28:11 +0100 | [diff] [blame] | 2769 | drm_modeset_unlock_all(dev); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2770 | return ret; |
| 2771 | } |
| 2772 | |
Matt Roper | 161d0dc | 2014-06-10 08:28:10 -0700 | [diff] [blame] | 2773 | /** |
| 2774 | * drm_mode_cursor_universal - translate legacy cursor ioctl call into a |
| 2775 | * universal plane handler call |
| 2776 | * @crtc: crtc to update cursor for |
| 2777 | * @req: data pointer for the ioctl |
| 2778 | * @file_priv: drm file for the ioctl call |
| 2779 | * |
| 2780 | * Legacy cursor ioctl's work directly with driver buffer handles. To |
| 2781 | * translate legacy ioctl calls into universal plane handler calls, we need to |
| 2782 | * wrap the native buffer handle in a drm_framebuffer. |
| 2783 | * |
| 2784 | * Note that we assume any handle passed to the legacy ioctls was a 32-bit ARGB |
| 2785 | * buffer with a pitch of 4*width; the universal plane interface should be used |
| 2786 | * directly in cases where the hardware can support other buffer settings and |
| 2787 | * userspace wants to make use of these capabilities. |
| 2788 | * |
| 2789 | * Returns: |
Daniel Vetter | 1a49863 | 2014-11-19 18:38:09 +0100 | [diff] [blame] | 2790 | * Zero on success, negative errno on failure. |
Matt Roper | 161d0dc | 2014-06-10 08:28:10 -0700 | [diff] [blame] | 2791 | */ |
| 2792 | static int drm_mode_cursor_universal(struct drm_crtc *crtc, |
| 2793 | struct drm_mode_cursor2 *req, |
| 2794 | struct drm_file *file_priv) |
| 2795 | { |
| 2796 | struct drm_device *dev = crtc->dev; |
| 2797 | struct drm_framebuffer *fb = NULL; |
| 2798 | struct drm_mode_fb_cmd2 fbreq = { |
| 2799 | .width = req->width, |
| 2800 | .height = req->height, |
| 2801 | .pixel_format = DRM_FORMAT_ARGB8888, |
| 2802 | .pitches = { req->width * 4 }, |
| 2803 | .handles = { req->handle }, |
| 2804 | }; |
| 2805 | int32_t crtc_x, crtc_y; |
| 2806 | uint32_t crtc_w = 0, crtc_h = 0; |
| 2807 | uint32_t src_w = 0, src_h = 0; |
| 2808 | int ret = 0; |
| 2809 | |
| 2810 | BUG_ON(!crtc->cursor); |
Daniel Vetter | f2b50c1 | 2014-09-12 17:07:32 +0200 | [diff] [blame] | 2811 | WARN_ON(crtc->cursor->crtc != crtc && crtc->cursor->crtc != NULL); |
Matt Roper | 161d0dc | 2014-06-10 08:28:10 -0700 | [diff] [blame] | 2812 | |
| 2813 | /* |
| 2814 | * Obtain fb we'll be using (either new or existing) and take an extra |
| 2815 | * reference to it if fb != null. setplane will take care of dropping |
| 2816 | * the reference if the plane update fails. |
| 2817 | */ |
| 2818 | if (req->flags & DRM_MODE_CURSOR_BO) { |
| 2819 | if (req->handle) { |
| 2820 | fb = add_framebuffer_internal(dev, &fbreq, file_priv); |
| 2821 | if (IS_ERR(fb)) { |
| 2822 | DRM_DEBUG_KMS("failed to wrap cursor buffer in drm framebuffer\n"); |
| 2823 | return PTR_ERR(fb); |
| 2824 | } |
| 2825 | |
| 2826 | drm_framebuffer_reference(fb); |
| 2827 | } else { |
| 2828 | fb = NULL; |
| 2829 | } |
| 2830 | } else { |
Matt Roper | 161d0dc | 2014-06-10 08:28:10 -0700 | [diff] [blame] | 2831 | fb = crtc->cursor->fb; |
| 2832 | if (fb) |
| 2833 | drm_framebuffer_reference(fb); |
Matt Roper | 161d0dc | 2014-06-10 08:28:10 -0700 | [diff] [blame] | 2834 | } |
| 2835 | |
| 2836 | if (req->flags & DRM_MODE_CURSOR_MOVE) { |
| 2837 | crtc_x = req->x; |
| 2838 | crtc_y = req->y; |
| 2839 | } else { |
| 2840 | crtc_x = crtc->cursor_x; |
| 2841 | crtc_y = crtc->cursor_y; |
| 2842 | } |
| 2843 | |
| 2844 | if (fb) { |
| 2845 | crtc_w = fb->width; |
| 2846 | crtc_h = fb->height; |
| 2847 | src_w = fb->width << 16; |
| 2848 | src_h = fb->height << 16; |
| 2849 | } |
| 2850 | |
| 2851 | /* |
| 2852 | * setplane_internal will take care of deref'ing either the old or new |
| 2853 | * framebuffer depending on success. |
| 2854 | */ |
Daniel Vetter | f2b50c1 | 2014-09-12 17:07:32 +0200 | [diff] [blame] | 2855 | ret = __setplane_internal(crtc->cursor, crtc, fb, |
Matt Roper | 161d0dc | 2014-06-10 08:28:10 -0700 | [diff] [blame] | 2856 | crtc_x, crtc_y, crtc_w, crtc_h, |
| 2857 | 0, 0, src_w, src_h); |
| 2858 | |
| 2859 | /* Update successful; save new cursor position, if necessary */ |
| 2860 | if (ret == 0 && req->flags & DRM_MODE_CURSOR_MOVE) { |
| 2861 | crtc->cursor_x = req->x; |
| 2862 | crtc->cursor_y = req->y; |
| 2863 | } |
| 2864 | |
| 2865 | return ret; |
| 2866 | } |
| 2867 | |
Dave Airlie | 4c813d4 | 2013-06-20 11:48:52 +1000 | [diff] [blame] | 2868 | static int drm_mode_cursor_common(struct drm_device *dev, |
| 2869 | struct drm_mode_cursor2 *req, |
| 2870 | struct drm_file *file_priv) |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2871 | { |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2872 | struct drm_crtc *crtc; |
| 2873 | int ret = 0; |
| 2874 | |
Dave Airlie | fb3b06c | 2011-02-08 13:55:21 +1000 | [diff] [blame] | 2875 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
| 2876 | return -EINVAL; |
| 2877 | |
Jakob Bornecrantz | 7c4eaca | 2012-08-16 08:29:03 +0000 | [diff] [blame] | 2878 | if (!req->flags || (~DRM_MODE_CURSOR_FLAGS & req->flags)) |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2879 | return -EINVAL; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2880 | |
Rob Clark | a2b34e2 | 2013-10-05 16:36:52 -0400 | [diff] [blame] | 2881 | crtc = drm_crtc_find(dev, req->crtc_id); |
| 2882 | if (!crtc) { |
Zhao Yakui | 58367ed | 2009-07-20 13:48:07 +0800 | [diff] [blame] | 2883 | DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id); |
Ville Syrjälä | f27657f | 2013-10-17 13:35:00 +0300 | [diff] [blame] | 2884 | return -ENOENT; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2885 | } |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2886 | |
Matt Roper | 161d0dc | 2014-06-10 08:28:10 -0700 | [diff] [blame] | 2887 | /* |
| 2888 | * If this crtc has a universal cursor plane, call that plane's update |
| 2889 | * handler rather than using legacy cursor handlers. |
| 2890 | */ |
Daniel Vetter | 4d02e2d | 2014-11-11 10:12:00 +0100 | [diff] [blame] | 2891 | drm_modeset_lock_crtc(crtc, crtc->cursor); |
Daniel Vetter | f2b50c1 | 2014-09-12 17:07:32 +0200 | [diff] [blame] | 2892 | if (crtc->cursor) { |
| 2893 | ret = drm_mode_cursor_universal(crtc, req, file_priv); |
| 2894 | goto out; |
| 2895 | } |
| 2896 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2897 | if (req->flags & DRM_MODE_CURSOR_BO) { |
Dave Airlie | 4c813d4 | 2013-06-20 11:48:52 +1000 | [diff] [blame] | 2898 | if (!crtc->funcs->cursor_set && !crtc->funcs->cursor_set2) { |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2899 | ret = -ENXIO; |
| 2900 | goto out; |
| 2901 | } |
| 2902 | /* Turns off the cursor if handle is 0 */ |
Dave Airlie | 4c813d4 | 2013-06-20 11:48:52 +1000 | [diff] [blame] | 2903 | if (crtc->funcs->cursor_set2) |
| 2904 | ret = crtc->funcs->cursor_set2(crtc, file_priv, req->handle, |
| 2905 | req->width, req->height, req->hot_x, req->hot_y); |
| 2906 | else |
| 2907 | ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle, |
| 2908 | req->width, req->height); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2909 | } |
| 2910 | |
| 2911 | if (req->flags & DRM_MODE_CURSOR_MOVE) { |
| 2912 | if (crtc->funcs->cursor_move) { |
| 2913 | ret = crtc->funcs->cursor_move(crtc, req->x, req->y); |
| 2914 | } else { |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2915 | ret = -EFAULT; |
| 2916 | goto out; |
| 2917 | } |
| 2918 | } |
| 2919 | out: |
Daniel Vetter | d059f65 | 2014-07-25 18:07:40 +0200 | [diff] [blame] | 2920 | drm_modeset_unlock_crtc(crtc); |
Daniel Vetter | dac3566 | 2012-12-02 15:24:10 +0100 | [diff] [blame] | 2921 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2922 | return ret; |
Dave Airlie | 4c813d4 | 2013-06-20 11:48:52 +1000 | [diff] [blame] | 2923 | |
| 2924 | } |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 2925 | |
| 2926 | |
| 2927 | /** |
| 2928 | * drm_mode_cursor_ioctl - set CRTC's cursor configuration |
| 2929 | * @dev: drm device for the ioctl |
| 2930 | * @data: data pointer for the ioctl |
| 2931 | * @file_priv: drm file for the ioctl call |
| 2932 | * |
| 2933 | * Set the cursor configuration based on user request. |
| 2934 | * |
| 2935 | * Called by the user via ioctl. |
| 2936 | * |
| 2937 | * Returns: |
Daniel Vetter | 1a49863 | 2014-11-19 18:38:09 +0100 | [diff] [blame] | 2938 | * Zero on success, negative errno on failure. |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 2939 | */ |
Dave Airlie | 4c813d4 | 2013-06-20 11:48:52 +1000 | [diff] [blame] | 2940 | int drm_mode_cursor_ioctl(struct drm_device *dev, |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 2941 | void *data, struct drm_file *file_priv) |
Dave Airlie | 4c813d4 | 2013-06-20 11:48:52 +1000 | [diff] [blame] | 2942 | { |
| 2943 | struct drm_mode_cursor *req = data; |
| 2944 | struct drm_mode_cursor2 new_req; |
| 2945 | |
| 2946 | memcpy(&new_req, req, sizeof(struct drm_mode_cursor)); |
| 2947 | new_req.hot_x = new_req.hot_y = 0; |
| 2948 | |
| 2949 | return drm_mode_cursor_common(dev, &new_req, file_priv); |
| 2950 | } |
| 2951 | |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 2952 | /** |
| 2953 | * drm_mode_cursor2_ioctl - set CRTC's cursor configuration |
| 2954 | * @dev: drm device for the ioctl |
| 2955 | * @data: data pointer for the ioctl |
| 2956 | * @file_priv: drm file for the ioctl call |
| 2957 | * |
| 2958 | * Set the cursor configuration based on user request. This implements the 2nd |
| 2959 | * version of the cursor ioctl, which allows userspace to additionally specify |
| 2960 | * the hotspot of the pointer. |
| 2961 | * |
| 2962 | * Called by the user via ioctl. |
| 2963 | * |
| 2964 | * Returns: |
Daniel Vetter | 1a49863 | 2014-11-19 18:38:09 +0100 | [diff] [blame] | 2965 | * Zero on success, negative errno on failure. |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 2966 | */ |
Dave Airlie | 4c813d4 | 2013-06-20 11:48:52 +1000 | [diff] [blame] | 2967 | int drm_mode_cursor2_ioctl(struct drm_device *dev, |
| 2968 | void *data, struct drm_file *file_priv) |
| 2969 | { |
| 2970 | struct drm_mode_cursor2 *req = data; |
| 2971 | return drm_mode_cursor_common(dev, req, file_priv); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 2972 | } |
| 2973 | |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 2974 | /** |
| 2975 | * drm_mode_legacy_fb_format - compute drm fourcc code from legacy description |
| 2976 | * @bpp: bits per pixels |
| 2977 | * @depth: bit depth per pixel |
| 2978 | * |
| 2979 | * Computes a drm fourcc pixel format code for the given @bpp/@depth values. |
| 2980 | * Useful in fbdev emulation code, since that deals in those values. |
| 2981 | */ |
Jesse Barnes | 308e5bc | 2011-11-14 14:51:28 -0800 | [diff] [blame] | 2982 | uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth) |
| 2983 | { |
| 2984 | uint32_t fmt; |
| 2985 | |
| 2986 | switch (bpp) { |
| 2987 | case 8: |
Ville Syrjälä | d84f031 | 2013-01-31 19:43:38 +0200 | [diff] [blame] | 2988 | fmt = DRM_FORMAT_C8; |
Jesse Barnes | 308e5bc | 2011-11-14 14:51:28 -0800 | [diff] [blame] | 2989 | break; |
| 2990 | case 16: |
| 2991 | if (depth == 15) |
Ville Syrjälä | 04b3924 | 2011-11-17 18:05:13 +0200 | [diff] [blame] | 2992 | fmt = DRM_FORMAT_XRGB1555; |
Jesse Barnes | 308e5bc | 2011-11-14 14:51:28 -0800 | [diff] [blame] | 2993 | else |
Ville Syrjälä | 04b3924 | 2011-11-17 18:05:13 +0200 | [diff] [blame] | 2994 | fmt = DRM_FORMAT_RGB565; |
Jesse Barnes | 308e5bc | 2011-11-14 14:51:28 -0800 | [diff] [blame] | 2995 | break; |
| 2996 | case 24: |
Ville Syrjälä | 04b3924 | 2011-11-17 18:05:13 +0200 | [diff] [blame] | 2997 | fmt = DRM_FORMAT_RGB888; |
Jesse Barnes | 308e5bc | 2011-11-14 14:51:28 -0800 | [diff] [blame] | 2998 | break; |
| 2999 | case 32: |
| 3000 | if (depth == 24) |
Ville Syrjälä | 04b3924 | 2011-11-17 18:05:13 +0200 | [diff] [blame] | 3001 | fmt = DRM_FORMAT_XRGB8888; |
Jesse Barnes | 308e5bc | 2011-11-14 14:51:28 -0800 | [diff] [blame] | 3002 | else if (depth == 30) |
Ville Syrjälä | 04b3924 | 2011-11-17 18:05:13 +0200 | [diff] [blame] | 3003 | fmt = DRM_FORMAT_XRGB2101010; |
Jesse Barnes | 308e5bc | 2011-11-14 14:51:28 -0800 | [diff] [blame] | 3004 | else |
Ville Syrjälä | 04b3924 | 2011-11-17 18:05:13 +0200 | [diff] [blame] | 3005 | fmt = DRM_FORMAT_ARGB8888; |
Jesse Barnes | 308e5bc | 2011-11-14 14:51:28 -0800 | [diff] [blame] | 3006 | break; |
| 3007 | default: |
Ville Syrjälä | 04b3924 | 2011-11-17 18:05:13 +0200 | [diff] [blame] | 3008 | DRM_ERROR("bad bpp, assuming x8r8g8b8 pixel format\n"); |
| 3009 | fmt = DRM_FORMAT_XRGB8888; |
Jesse Barnes | 308e5bc | 2011-11-14 14:51:28 -0800 | [diff] [blame] | 3010 | break; |
| 3011 | } |
| 3012 | |
| 3013 | return fmt; |
| 3014 | } |
| 3015 | EXPORT_SYMBOL(drm_mode_legacy_fb_format); |
| 3016 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3017 | /** |
| 3018 | * drm_mode_addfb - add an FB to the graphics configuration |
Daniel Vetter | 065a50ed | 2012-12-02 00:09:18 +0100 | [diff] [blame] | 3019 | * @dev: drm device for the ioctl |
| 3020 | * @data: data pointer for the ioctl |
| 3021 | * @file_priv: drm file for the ioctl call |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3022 | * |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 3023 | * Add a new FB to the specified CRTC, given a user request. This is the |
Chuck Ebbert | 209f552 | 2014-10-08 11:37:20 -0500 | [diff] [blame] | 3024 | * original addfb ioctl which only supported RGB formats. |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3025 | * |
| 3026 | * Called by the user via ioctl. |
| 3027 | * |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 3028 | * Returns: |
Daniel Vetter | 1a49863 | 2014-11-19 18:38:09 +0100 | [diff] [blame] | 3029 | * Zero on success, negative errno on failure. |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3030 | */ |
| 3031 | int drm_mode_addfb(struct drm_device *dev, |
| 3032 | void *data, struct drm_file *file_priv) |
| 3033 | { |
Jesse Barnes | 308e5bc | 2011-11-14 14:51:28 -0800 | [diff] [blame] | 3034 | struct drm_mode_fb_cmd *or = data; |
| 3035 | struct drm_mode_fb_cmd2 r = {}; |
Chuck Ebbert | 228f2cb | 2014-10-08 11:40:34 -0500 | [diff] [blame] | 3036 | int ret; |
Jesse Barnes | 308e5bc | 2011-11-14 14:51:28 -0800 | [diff] [blame] | 3037 | |
Chuck Ebbert | 228f2cb | 2014-10-08 11:40:34 -0500 | [diff] [blame] | 3038 | /* convert to new format and call new ioctl */ |
Jesse Barnes | 308e5bc | 2011-11-14 14:51:28 -0800 | [diff] [blame] | 3039 | r.fb_id = or->fb_id; |
| 3040 | r.width = or->width; |
| 3041 | r.height = or->height; |
| 3042 | r.pitches[0] = or->pitch; |
| 3043 | r.pixel_format = drm_mode_legacy_fb_format(or->bpp, or->depth); |
| 3044 | r.handles[0] = or->handle; |
| 3045 | |
Chuck Ebbert | 228f2cb | 2014-10-08 11:40:34 -0500 | [diff] [blame] | 3046 | ret = drm_mode_addfb2(dev, &r, file_priv); |
| 3047 | if (ret) |
| 3048 | return ret; |
Jesse Barnes | 308e5bc | 2011-11-14 14:51:28 -0800 | [diff] [blame] | 3049 | |
Chuck Ebbert | 228f2cb | 2014-10-08 11:40:34 -0500 | [diff] [blame] | 3050 | or->fb_id = r.fb_id; |
Daniel Vetter | 4b096ac | 2012-12-10 21:19:18 +0100 | [diff] [blame] | 3051 | |
Daniel Vetter | baf698b | 2014-11-12 11:59:47 +0100 | [diff] [blame] | 3052 | return 0; |
Jesse Barnes | 308e5bc | 2011-11-14 14:51:28 -0800 | [diff] [blame] | 3053 | } |
| 3054 | |
Ville Syrjälä | cff91b6 | 2012-05-24 20:54:00 +0300 | [diff] [blame] | 3055 | static int format_check(const struct drm_mode_fb_cmd2 *r) |
Ville Syrjälä | 935b597 | 2011-12-20 00:06:48 +0200 | [diff] [blame] | 3056 | { |
| 3057 | uint32_t format = r->pixel_format & ~DRM_FORMAT_BIG_ENDIAN; |
| 3058 | |
| 3059 | switch (format) { |
| 3060 | case DRM_FORMAT_C8: |
| 3061 | case DRM_FORMAT_RGB332: |
| 3062 | case DRM_FORMAT_BGR233: |
| 3063 | case DRM_FORMAT_XRGB4444: |
| 3064 | case DRM_FORMAT_XBGR4444: |
| 3065 | case DRM_FORMAT_RGBX4444: |
| 3066 | case DRM_FORMAT_BGRX4444: |
| 3067 | case DRM_FORMAT_ARGB4444: |
| 3068 | case DRM_FORMAT_ABGR4444: |
| 3069 | case DRM_FORMAT_RGBA4444: |
| 3070 | case DRM_FORMAT_BGRA4444: |
| 3071 | case DRM_FORMAT_XRGB1555: |
| 3072 | case DRM_FORMAT_XBGR1555: |
| 3073 | case DRM_FORMAT_RGBX5551: |
| 3074 | case DRM_FORMAT_BGRX5551: |
| 3075 | case DRM_FORMAT_ARGB1555: |
| 3076 | case DRM_FORMAT_ABGR1555: |
| 3077 | case DRM_FORMAT_RGBA5551: |
| 3078 | case DRM_FORMAT_BGRA5551: |
| 3079 | case DRM_FORMAT_RGB565: |
| 3080 | case DRM_FORMAT_BGR565: |
| 3081 | case DRM_FORMAT_RGB888: |
| 3082 | case DRM_FORMAT_BGR888: |
| 3083 | case DRM_FORMAT_XRGB8888: |
| 3084 | case DRM_FORMAT_XBGR8888: |
| 3085 | case DRM_FORMAT_RGBX8888: |
| 3086 | case DRM_FORMAT_BGRX8888: |
| 3087 | case DRM_FORMAT_ARGB8888: |
| 3088 | case DRM_FORMAT_ABGR8888: |
| 3089 | case DRM_FORMAT_RGBA8888: |
| 3090 | case DRM_FORMAT_BGRA8888: |
| 3091 | case DRM_FORMAT_XRGB2101010: |
| 3092 | case DRM_FORMAT_XBGR2101010: |
| 3093 | case DRM_FORMAT_RGBX1010102: |
| 3094 | case DRM_FORMAT_BGRX1010102: |
| 3095 | case DRM_FORMAT_ARGB2101010: |
| 3096 | case DRM_FORMAT_ABGR2101010: |
| 3097 | case DRM_FORMAT_RGBA1010102: |
| 3098 | case DRM_FORMAT_BGRA1010102: |
| 3099 | case DRM_FORMAT_YUYV: |
| 3100 | case DRM_FORMAT_YVYU: |
| 3101 | case DRM_FORMAT_UYVY: |
| 3102 | case DRM_FORMAT_VYUY: |
| 3103 | case DRM_FORMAT_AYUV: |
| 3104 | case DRM_FORMAT_NV12: |
| 3105 | case DRM_FORMAT_NV21: |
| 3106 | case DRM_FORMAT_NV16: |
| 3107 | case DRM_FORMAT_NV61: |
Laurent Pinchart | ba623f6 | 2012-05-18 23:47:40 +0200 | [diff] [blame] | 3108 | case DRM_FORMAT_NV24: |
| 3109 | case DRM_FORMAT_NV42: |
Ville Syrjälä | 935b597 | 2011-12-20 00:06:48 +0200 | [diff] [blame] | 3110 | case DRM_FORMAT_YUV410: |
| 3111 | case DRM_FORMAT_YVU410: |
| 3112 | case DRM_FORMAT_YUV411: |
| 3113 | case DRM_FORMAT_YVU411: |
| 3114 | case DRM_FORMAT_YUV420: |
| 3115 | case DRM_FORMAT_YVU420: |
| 3116 | case DRM_FORMAT_YUV422: |
| 3117 | case DRM_FORMAT_YVU422: |
| 3118 | case DRM_FORMAT_YUV444: |
| 3119 | case DRM_FORMAT_YVU444: |
| 3120 | return 0; |
| 3121 | default: |
Ville Syrjälä | 23c453a | 2013-10-15 21:06:51 +0300 | [diff] [blame] | 3122 | DRM_DEBUG_KMS("invalid pixel format %s\n", |
| 3123 | drm_get_format_name(r->pixel_format)); |
Ville Syrjälä | 935b597 | 2011-12-20 00:06:48 +0200 | [diff] [blame] | 3124 | return -EINVAL; |
| 3125 | } |
| 3126 | } |
| 3127 | |
Ville Syrjälä | cff91b6 | 2012-05-24 20:54:00 +0300 | [diff] [blame] | 3128 | static int framebuffer_check(const struct drm_mode_fb_cmd2 *r) |
Ville Syrjälä | d1b45d5 | 2012-04-05 21:35:18 +0300 | [diff] [blame] | 3129 | { |
| 3130 | int ret, hsub, vsub, num_planes, i; |
| 3131 | |
| 3132 | ret = format_check(r); |
| 3133 | if (ret) { |
Ville Syrjälä | 6ba6d03 | 2013-06-10 11:15:10 +0300 | [diff] [blame] | 3134 | DRM_DEBUG_KMS("bad framebuffer format %s\n", |
| 3135 | drm_get_format_name(r->pixel_format)); |
Ville Syrjälä | d1b45d5 | 2012-04-05 21:35:18 +0300 | [diff] [blame] | 3136 | return ret; |
| 3137 | } |
| 3138 | |
| 3139 | hsub = drm_format_horz_chroma_subsampling(r->pixel_format); |
| 3140 | vsub = drm_format_vert_chroma_subsampling(r->pixel_format); |
| 3141 | num_planes = drm_format_num_planes(r->pixel_format); |
| 3142 | |
| 3143 | if (r->width == 0 || r->width % hsub) { |
Chuck Ebbert | 209f552 | 2014-10-08 11:37:20 -0500 | [diff] [blame] | 3144 | DRM_DEBUG_KMS("bad framebuffer width %u\n", r->width); |
Ville Syrjälä | d1b45d5 | 2012-04-05 21:35:18 +0300 | [diff] [blame] | 3145 | return -EINVAL; |
| 3146 | } |
| 3147 | |
| 3148 | if (r->height == 0 || r->height % vsub) { |
Dave Airlie | 1aa1b11 | 2012-05-01 17:38:35 +0100 | [diff] [blame] | 3149 | DRM_DEBUG_KMS("bad framebuffer height %u\n", r->height); |
Ville Syrjälä | d1b45d5 | 2012-04-05 21:35:18 +0300 | [diff] [blame] | 3150 | return -EINVAL; |
| 3151 | } |
| 3152 | |
| 3153 | for (i = 0; i < num_planes; i++) { |
| 3154 | unsigned int width = r->width / (i != 0 ? hsub : 1); |
Ville Syrjälä | b180b5d | 2012-10-25 18:05:04 +0000 | [diff] [blame] | 3155 | unsigned int height = r->height / (i != 0 ? vsub : 1); |
| 3156 | unsigned int cpp = drm_format_plane_cpp(r->pixel_format, i); |
Ville Syrjälä | d1b45d5 | 2012-04-05 21:35:18 +0300 | [diff] [blame] | 3157 | |
| 3158 | if (!r->handles[i]) { |
Dave Airlie | 1aa1b11 | 2012-05-01 17:38:35 +0100 | [diff] [blame] | 3159 | DRM_DEBUG_KMS("no buffer object handle for plane %d\n", i); |
Ville Syrjälä | d1b45d5 | 2012-04-05 21:35:18 +0300 | [diff] [blame] | 3160 | return -EINVAL; |
| 3161 | } |
| 3162 | |
Ville Syrjälä | b180b5d | 2012-10-25 18:05:04 +0000 | [diff] [blame] | 3163 | if ((uint64_t) width * cpp > UINT_MAX) |
| 3164 | return -ERANGE; |
| 3165 | |
| 3166 | if ((uint64_t) height * r->pitches[i] + r->offsets[i] > UINT_MAX) |
| 3167 | return -ERANGE; |
| 3168 | |
| 3169 | if (r->pitches[i] < width * cpp) { |
Dave Airlie | 1aa1b11 | 2012-05-01 17:38:35 +0100 | [diff] [blame] | 3170 | DRM_DEBUG_KMS("bad pitch %u for plane %d\n", r->pitches[i], i); |
Ville Syrjälä | d1b45d5 | 2012-04-05 21:35:18 +0300 | [diff] [blame] | 3171 | return -EINVAL; |
| 3172 | } |
| 3173 | } |
| 3174 | |
| 3175 | return 0; |
| 3176 | } |
| 3177 | |
Matt Roper | c394c2b | 2014-06-10 08:28:08 -0700 | [diff] [blame] | 3178 | static struct drm_framebuffer *add_framebuffer_internal(struct drm_device *dev, |
| 3179 | struct drm_mode_fb_cmd2 *r, |
| 3180 | struct drm_file *file_priv) |
| 3181 | { |
| 3182 | struct drm_mode_config *config = &dev->mode_config; |
| 3183 | struct drm_framebuffer *fb; |
| 3184 | int ret; |
| 3185 | |
| 3186 | if (r->flags & ~DRM_MODE_FB_INTERLACED) { |
| 3187 | DRM_DEBUG_KMS("bad framebuffer flags 0x%08x\n", r->flags); |
| 3188 | return ERR_PTR(-EINVAL); |
| 3189 | } |
| 3190 | |
| 3191 | if ((config->min_width > r->width) || (r->width > config->max_width)) { |
| 3192 | DRM_DEBUG_KMS("bad framebuffer width %d, should be >= %d && <= %d\n", |
| 3193 | r->width, config->min_width, config->max_width); |
| 3194 | return ERR_PTR(-EINVAL); |
| 3195 | } |
| 3196 | if ((config->min_height > r->height) || (r->height > config->max_height)) { |
| 3197 | DRM_DEBUG_KMS("bad framebuffer height %d, should be >= %d && <= %d\n", |
| 3198 | r->height, config->min_height, config->max_height); |
| 3199 | return ERR_PTR(-EINVAL); |
| 3200 | } |
| 3201 | |
| 3202 | ret = framebuffer_check(r); |
| 3203 | if (ret) |
| 3204 | return ERR_PTR(ret); |
| 3205 | |
| 3206 | fb = dev->mode_config.funcs->fb_create(dev, file_priv, r); |
| 3207 | if (IS_ERR(fb)) { |
| 3208 | DRM_DEBUG_KMS("could not create framebuffer\n"); |
| 3209 | return fb; |
| 3210 | } |
| 3211 | |
| 3212 | mutex_lock(&file_priv->fbs_lock); |
| 3213 | r->fb_id = fb->base.id; |
| 3214 | list_add(&fb->filp_head, &file_priv->fbs); |
| 3215 | DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); |
| 3216 | mutex_unlock(&file_priv->fbs_lock); |
| 3217 | |
| 3218 | return fb; |
| 3219 | } |
| 3220 | |
Jesse Barnes | 308e5bc | 2011-11-14 14:51:28 -0800 | [diff] [blame] | 3221 | /** |
| 3222 | * drm_mode_addfb2 - add an FB to the graphics configuration |
Daniel Vetter | 065a50ed | 2012-12-02 00:09:18 +0100 | [diff] [blame] | 3223 | * @dev: drm device for the ioctl |
| 3224 | * @data: data pointer for the ioctl |
| 3225 | * @file_priv: drm file for the ioctl call |
Jesse Barnes | 308e5bc | 2011-11-14 14:51:28 -0800 | [diff] [blame] | 3226 | * |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 3227 | * Add a new FB to the specified CRTC, given a user request with format. This is |
| 3228 | * the 2nd version of the addfb ioctl, which supports multi-planar framebuffers |
| 3229 | * and uses fourcc codes as pixel format specifiers. |
Jesse Barnes | 308e5bc | 2011-11-14 14:51:28 -0800 | [diff] [blame] | 3230 | * |
| 3231 | * Called by the user via ioctl. |
| 3232 | * |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 3233 | * Returns: |
Daniel Vetter | 1a49863 | 2014-11-19 18:38:09 +0100 | [diff] [blame] | 3234 | * Zero on success, negative errno on failure. |
Jesse Barnes | 308e5bc | 2011-11-14 14:51:28 -0800 | [diff] [blame] | 3235 | */ |
| 3236 | int drm_mode_addfb2(struct drm_device *dev, |
| 3237 | void *data, struct drm_file *file_priv) |
| 3238 | { |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3239 | struct drm_framebuffer *fb; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3240 | |
Dave Airlie | fb3b06c | 2011-02-08 13:55:21 +1000 | [diff] [blame] | 3241 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
| 3242 | return -EINVAL; |
| 3243 | |
Matt Roper | c394c2b | 2014-06-10 08:28:08 -0700 | [diff] [blame] | 3244 | fb = add_framebuffer_internal(dev, data, file_priv); |
| 3245 | if (IS_ERR(fb)) |
Daniel Vetter | 4b096ac | 2012-12-10 21:19:18 +0100 | [diff] [blame] | 3246 | return PTR_ERR(fb); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3247 | |
Matt Roper | c394c2b | 2014-06-10 08:28:08 -0700 | [diff] [blame] | 3248 | return 0; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3249 | } |
| 3250 | |
| 3251 | /** |
| 3252 | * drm_mode_rmfb - remove an FB from the configuration |
Daniel Vetter | 065a50ed | 2012-12-02 00:09:18 +0100 | [diff] [blame] | 3253 | * @dev: drm device for the ioctl |
| 3254 | * @data: data pointer for the ioctl |
| 3255 | * @file_priv: drm file for the ioctl call |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3256 | * |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3257 | * Remove the FB specified by the user. |
| 3258 | * |
| 3259 | * Called by the user via ioctl. |
| 3260 | * |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 3261 | * Returns: |
Daniel Vetter | 1a49863 | 2014-11-19 18:38:09 +0100 | [diff] [blame] | 3262 | * Zero on success, negative errno on failure. |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3263 | */ |
| 3264 | int drm_mode_rmfb(struct drm_device *dev, |
| 3265 | void *data, struct drm_file *file_priv) |
| 3266 | { |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3267 | struct drm_framebuffer *fb = NULL; |
| 3268 | struct drm_framebuffer *fbl = NULL; |
| 3269 | uint32_t *id = data; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3270 | int found = 0; |
| 3271 | |
Dave Airlie | fb3b06c | 2011-02-08 13:55:21 +1000 | [diff] [blame] | 3272 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
| 3273 | return -EINVAL; |
| 3274 | |
Daniel Vetter | 4b096ac | 2012-12-10 21:19:18 +0100 | [diff] [blame] | 3275 | mutex_lock(&file_priv->fbs_lock); |
Daniel Vetter | 2b677e8 | 2012-12-10 21:16:05 +0100 | [diff] [blame] | 3276 | mutex_lock(&dev->mode_config.fb_lock); |
| 3277 | fb = __drm_framebuffer_lookup(dev, *id); |
| 3278 | if (!fb) |
| 3279 | goto fail_lookup; |
| 3280 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3281 | list_for_each_entry(fbl, &file_priv->fbs, filp_head) |
| 3282 | if (fb == fbl) |
| 3283 | found = 1; |
Daniel Vetter | 2b677e8 | 2012-12-10 21:16:05 +0100 | [diff] [blame] | 3284 | if (!found) |
| 3285 | goto fail_lookup; |
| 3286 | |
| 3287 | /* Mark fb as reaped, we still have a ref from fpriv->fbs. */ |
| 3288 | __drm_framebuffer_unregister(dev, fb); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3289 | |
Daniel Vetter | 4b096ac | 2012-12-10 21:19:18 +0100 | [diff] [blame] | 3290 | list_del_init(&fb->filp_head); |
Daniel Vetter | 2b677e8 | 2012-12-10 21:16:05 +0100 | [diff] [blame] | 3291 | mutex_unlock(&dev->mode_config.fb_lock); |
Daniel Vetter | 4b096ac | 2012-12-10 21:19:18 +0100 | [diff] [blame] | 3292 | mutex_unlock(&file_priv->fbs_lock); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3293 | |
Daniel Vetter | 4b096ac | 2012-12-10 21:19:18 +0100 | [diff] [blame] | 3294 | drm_framebuffer_remove(fb); |
Daniel Vetter | 4b096ac | 2012-12-10 21:19:18 +0100 | [diff] [blame] | 3295 | |
Daniel Vetter | 2b677e8 | 2012-12-10 21:16:05 +0100 | [diff] [blame] | 3296 | return 0; |
| 3297 | |
| 3298 | fail_lookup: |
| 3299 | mutex_unlock(&dev->mode_config.fb_lock); |
| 3300 | mutex_unlock(&file_priv->fbs_lock); |
| 3301 | |
Ville Syrjälä | 37c4e70 | 2013-10-17 13:35:01 +0300 | [diff] [blame] | 3302 | return -ENOENT; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3303 | } |
| 3304 | |
| 3305 | /** |
| 3306 | * drm_mode_getfb - get FB info |
Daniel Vetter | 065a50ed | 2012-12-02 00:09:18 +0100 | [diff] [blame] | 3307 | * @dev: drm device for the ioctl |
| 3308 | * @data: data pointer for the ioctl |
| 3309 | * @file_priv: drm file for the ioctl call |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3310 | * |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3311 | * Lookup the FB given its ID and return info about it. |
| 3312 | * |
| 3313 | * Called by the user via ioctl. |
| 3314 | * |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 3315 | * Returns: |
Daniel Vetter | 1a49863 | 2014-11-19 18:38:09 +0100 | [diff] [blame] | 3316 | * Zero on success, negative errno on failure. |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3317 | */ |
| 3318 | int drm_mode_getfb(struct drm_device *dev, |
| 3319 | void *data, struct drm_file *file_priv) |
| 3320 | { |
| 3321 | struct drm_mode_fb_cmd *r = data; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3322 | struct drm_framebuffer *fb; |
Daniel Vetter | 58c0dca | 2012-12-13 23:06:08 +0100 | [diff] [blame] | 3323 | int ret; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3324 | |
Dave Airlie | fb3b06c | 2011-02-08 13:55:21 +1000 | [diff] [blame] | 3325 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
| 3326 | return -EINVAL; |
| 3327 | |
Daniel Vetter | 786b99e | 2012-12-02 21:53:40 +0100 | [diff] [blame] | 3328 | fb = drm_framebuffer_lookup(dev, r->fb_id); |
Daniel Vetter | 58c0dca | 2012-12-13 23:06:08 +0100 | [diff] [blame] | 3329 | if (!fb) |
Ville Syrjälä | 37c4e70 | 2013-10-17 13:35:01 +0300 | [diff] [blame] | 3330 | return -ENOENT; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3331 | |
| 3332 | r->height = fb->height; |
| 3333 | r->width = fb->width; |
| 3334 | r->depth = fb->depth; |
| 3335 | r->bpp = fb->bits_per_pixel; |
Ville Syrjälä | 01f2c77 | 2011-12-20 00:06:49 +0200 | [diff] [blame] | 3336 | r->pitch = fb->pitches[0]; |
David Herrmann | 101b96f | 2013-08-26 15:16:49 +0200 | [diff] [blame] | 3337 | if (fb->funcs->create_handle) { |
Thomas Hellstrom | 09f308f | 2014-03-13 10:00:42 +0100 | [diff] [blame] | 3338 | if (file_priv->is_master || capable(CAP_SYS_ADMIN) || |
Thomas Hellstrom | 4368305 | 2014-03-13 11:07:44 +0100 | [diff] [blame] | 3339 | drm_is_control_client(file_priv)) { |
David Herrmann | 101b96f | 2013-08-26 15:16:49 +0200 | [diff] [blame] | 3340 | ret = fb->funcs->create_handle(fb, file_priv, |
| 3341 | &r->handle); |
| 3342 | } else { |
| 3343 | /* GET_FB() is an unprivileged ioctl so we must not |
| 3344 | * return a buffer-handle to non-master processes! For |
| 3345 | * backwards-compatibility reasons, we cannot make |
| 3346 | * GET_FB() privileged, so just return an invalid handle |
| 3347 | * for non-masters. */ |
| 3348 | r->handle = 0; |
| 3349 | ret = 0; |
| 3350 | } |
| 3351 | } else { |
Daniel Vetter | af26ef3 | 2012-12-13 23:07:50 +0100 | [diff] [blame] | 3352 | ret = -ENODEV; |
David Herrmann | 101b96f | 2013-08-26 15:16:49 +0200 | [diff] [blame] | 3353 | } |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3354 | |
Daniel Vetter | 58c0dca | 2012-12-13 23:06:08 +0100 | [diff] [blame] | 3355 | drm_framebuffer_unreference(fb); |
| 3356 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3357 | return ret; |
| 3358 | } |
| 3359 | |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 3360 | /** |
| 3361 | * drm_mode_dirtyfb_ioctl - flush frontbuffer rendering on an FB |
| 3362 | * @dev: drm device for the ioctl |
| 3363 | * @data: data pointer for the ioctl |
| 3364 | * @file_priv: drm file for the ioctl call |
| 3365 | * |
| 3366 | * Lookup the FB and flush out the damaged area supplied by userspace as a clip |
| 3367 | * rectangle list. Generic userspace which does frontbuffer rendering must call |
| 3368 | * this ioctl to flush out the changes on manual-update display outputs, e.g. |
| 3369 | * usb display-link, mipi manual update panels or edp panel self refresh modes. |
| 3370 | * |
| 3371 | * Modesetting drivers which always update the frontbuffer do not need to |
| 3372 | * implement the corresponding ->dirty framebuffer callback. |
| 3373 | * |
| 3374 | * Called by the user via ioctl. |
| 3375 | * |
| 3376 | * Returns: |
Daniel Vetter | 1a49863 | 2014-11-19 18:38:09 +0100 | [diff] [blame] | 3377 | * Zero on success, negative errno on failure. |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 3378 | */ |
Jakob Bornecrantz | 884840a | 2009-12-03 23:25:47 +0000 | [diff] [blame] | 3379 | int drm_mode_dirtyfb_ioctl(struct drm_device *dev, |
| 3380 | void *data, struct drm_file *file_priv) |
| 3381 | { |
| 3382 | struct drm_clip_rect __user *clips_ptr; |
| 3383 | struct drm_clip_rect *clips = NULL; |
| 3384 | struct drm_mode_fb_dirty_cmd *r = data; |
Jakob Bornecrantz | 884840a | 2009-12-03 23:25:47 +0000 | [diff] [blame] | 3385 | struct drm_framebuffer *fb; |
| 3386 | unsigned flags; |
| 3387 | int num_clips; |
Laurent Pinchart | 4a1b071 | 2012-05-17 13:27:21 +0200 | [diff] [blame] | 3388 | int ret; |
Jakob Bornecrantz | 884840a | 2009-12-03 23:25:47 +0000 | [diff] [blame] | 3389 | |
Dave Airlie | fb3b06c | 2011-02-08 13:55:21 +1000 | [diff] [blame] | 3390 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
| 3391 | return -EINVAL; |
| 3392 | |
Daniel Vetter | 786b99e | 2012-12-02 21:53:40 +0100 | [diff] [blame] | 3393 | fb = drm_framebuffer_lookup(dev, r->fb_id); |
Daniel Vetter | 4ccf097 | 2012-12-11 00:38:18 +0100 | [diff] [blame] | 3394 | if (!fb) |
Ville Syrjälä | 37c4e70 | 2013-10-17 13:35:01 +0300 | [diff] [blame] | 3395 | return -ENOENT; |
Jakob Bornecrantz | 884840a | 2009-12-03 23:25:47 +0000 | [diff] [blame] | 3396 | |
| 3397 | num_clips = r->num_clips; |
Ville Syrjälä | 81f6c7f | 2011-12-20 00:06:42 +0200 | [diff] [blame] | 3398 | clips_ptr = (struct drm_clip_rect __user *)(unsigned long)r->clips_ptr; |
Jakob Bornecrantz | 884840a | 2009-12-03 23:25:47 +0000 | [diff] [blame] | 3399 | |
| 3400 | if (!num_clips != !clips_ptr) { |
| 3401 | ret = -EINVAL; |
| 3402 | goto out_err1; |
| 3403 | } |
| 3404 | |
| 3405 | flags = DRM_MODE_FB_DIRTY_FLAGS & r->flags; |
| 3406 | |
| 3407 | /* If userspace annotates copy, clips must come in pairs */ |
| 3408 | if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY && (num_clips % 2)) { |
| 3409 | ret = -EINVAL; |
| 3410 | goto out_err1; |
| 3411 | } |
| 3412 | |
| 3413 | if (num_clips && clips_ptr) { |
Xi Wang | a5cd335 | 2011-11-23 01:12:01 -0500 | [diff] [blame] | 3414 | if (num_clips < 0 || num_clips > DRM_MODE_FB_DIRTY_MAX_CLIPS) { |
| 3415 | ret = -EINVAL; |
| 3416 | goto out_err1; |
| 3417 | } |
Jakob Bornecrantz | 884840a | 2009-12-03 23:25:47 +0000 | [diff] [blame] | 3418 | clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL); |
| 3419 | if (!clips) { |
| 3420 | ret = -ENOMEM; |
| 3421 | goto out_err1; |
| 3422 | } |
| 3423 | |
| 3424 | ret = copy_from_user(clips, clips_ptr, |
| 3425 | num_clips * sizeof(*clips)); |
Dan Carpenter | e902a35 | 2010-06-04 12:23:21 +0200 | [diff] [blame] | 3426 | if (ret) { |
| 3427 | ret = -EFAULT; |
Jakob Bornecrantz | 884840a | 2009-12-03 23:25:47 +0000 | [diff] [blame] | 3428 | goto out_err2; |
Dan Carpenter | e902a35 | 2010-06-04 12:23:21 +0200 | [diff] [blame] | 3429 | } |
Jakob Bornecrantz | 884840a | 2009-12-03 23:25:47 +0000 | [diff] [blame] | 3430 | } |
| 3431 | |
| 3432 | if (fb->funcs->dirty) { |
Thomas Hellstrom | 02b0016 | 2010-10-05 12:43:02 +0200 | [diff] [blame] | 3433 | ret = fb->funcs->dirty(fb, file_priv, flags, r->color, |
| 3434 | clips, num_clips); |
Jakob Bornecrantz | 884840a | 2009-12-03 23:25:47 +0000 | [diff] [blame] | 3435 | } else { |
| 3436 | ret = -ENOSYS; |
Jakob Bornecrantz | 884840a | 2009-12-03 23:25:47 +0000 | [diff] [blame] | 3437 | } |
| 3438 | |
| 3439 | out_err2: |
| 3440 | kfree(clips); |
| 3441 | out_err1: |
Daniel Vetter | 4ccf097 | 2012-12-11 00:38:18 +0100 | [diff] [blame] | 3442 | drm_framebuffer_unreference(fb); |
| 3443 | |
Jakob Bornecrantz | 884840a | 2009-12-03 23:25:47 +0000 | [diff] [blame] | 3444 | return ret; |
| 3445 | } |
| 3446 | |
| 3447 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3448 | /** |
| 3449 | * drm_fb_release - remove and free the FBs on this file |
Daniel Vetter | 065a50ed | 2012-12-02 00:09:18 +0100 | [diff] [blame] | 3450 | * @priv: drm file for the ioctl |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3451 | * |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3452 | * Destroy all the FBs associated with @filp. |
| 3453 | * |
| 3454 | * Called by the user via ioctl. |
| 3455 | * |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 3456 | * Returns: |
Daniel Vetter | 1a49863 | 2014-11-19 18:38:09 +0100 | [diff] [blame] | 3457 | * Zero on success, negative errno on failure. |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3458 | */ |
Kristian Høgsberg | ea39f83 | 2009-02-12 14:37:56 -0500 | [diff] [blame] | 3459 | void drm_fb_release(struct drm_file *priv) |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3460 | { |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3461 | struct drm_device *dev = priv->minor->dev; |
| 3462 | struct drm_framebuffer *fb, *tfb; |
| 3463 | |
Daniel Vetter | 1b11629 | 2014-09-24 21:51:06 +0200 | [diff] [blame] | 3464 | /* |
| 3465 | * When the file gets released that means no one else can access the fb |
Martin Peres | e2db726 | 2014-12-09 07:24:04 +0100 | [diff] [blame] | 3466 | * list any more, so no need to grab fpriv->fbs_lock. And we need to |
Daniel Vetter | 1b11629 | 2014-09-24 21:51:06 +0200 | [diff] [blame] | 3467 | * avoid upsetting lockdep since the universal cursor code adds a |
| 3468 | * framebuffer while holding mutex locks. |
| 3469 | * |
| 3470 | * Note that a real deadlock between fpriv->fbs_lock and the modeset |
| 3471 | * locks is impossible here since no one else but this function can get |
| 3472 | * at it any more. |
| 3473 | */ |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3474 | list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) { |
Daniel Vetter | 2b677e8 | 2012-12-10 21:16:05 +0100 | [diff] [blame] | 3475 | |
| 3476 | mutex_lock(&dev->mode_config.fb_lock); |
| 3477 | /* Mark fb as reaped, we still have a ref from fpriv->fbs. */ |
| 3478 | __drm_framebuffer_unregister(dev, fb); |
| 3479 | mutex_unlock(&dev->mode_config.fb_lock); |
| 3480 | |
Daniel Vetter | 4b096ac | 2012-12-10 21:19:18 +0100 | [diff] [blame] | 3481 | list_del_init(&fb->filp_head); |
Daniel Vetter | 2b677e8 | 2012-12-10 21:16:05 +0100 | [diff] [blame] | 3482 | |
| 3483 | /* This will also drop the fpriv->fbs reference. */ |
Rob Clark | f7eff60 | 2012-09-05 21:48:38 +0000 | [diff] [blame] | 3484 | drm_framebuffer_remove(fb); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3485 | } |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3486 | } |
| 3487 | |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 3488 | /** |
| 3489 | * drm_property_create - create a new property type |
| 3490 | * @dev: drm device |
| 3491 | * @flags: flags specifying the property type |
| 3492 | * @name: name of the property |
| 3493 | * @num_values: number of pre-defined values |
| 3494 | * |
| 3495 | * This creates a new generic drm property which can then be attached to a drm |
| 3496 | * object with drm_object_attach_property. The returned property object must be |
| 3497 | * freed with drm_property_destroy. |
| 3498 | * |
Damien Lespiau | 3b5b993 | 2014-10-31 14:39:11 +0000 | [diff] [blame] | 3499 | * Note that the DRM core keeps a per-device list of properties and that, if |
| 3500 | * drm_mode_config_cleanup() is called, it will destroy all properties created |
| 3501 | * by the driver. |
| 3502 | * |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 3503 | * Returns: |
| 3504 | * A pointer to the newly created property on success, NULL on failure. |
| 3505 | */ |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3506 | struct drm_property *drm_property_create(struct drm_device *dev, int flags, |
| 3507 | const char *name, int num_values) |
| 3508 | { |
| 3509 | struct drm_property *property = NULL; |
Ville Syrjälä | 6bfc56a | 2012-03-13 12:35:48 +0200 | [diff] [blame] | 3510 | int ret; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3511 | |
| 3512 | property = kzalloc(sizeof(struct drm_property), GFP_KERNEL); |
| 3513 | if (!property) |
| 3514 | return NULL; |
| 3515 | |
Rob Clark | 98f75de | 2014-05-30 11:37:03 -0400 | [diff] [blame] | 3516 | property->dev = dev; |
| 3517 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3518 | if (num_values) { |
| 3519 | property->values = kzalloc(sizeof(uint64_t)*num_values, GFP_KERNEL); |
| 3520 | if (!property->values) |
| 3521 | goto fail; |
| 3522 | } |
| 3523 | |
Ville Syrjälä | 6bfc56a | 2012-03-13 12:35:48 +0200 | [diff] [blame] | 3524 | ret = drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY); |
| 3525 | if (ret) |
| 3526 | goto fail; |
| 3527 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3528 | property->flags = flags; |
| 3529 | property->num_values = num_values; |
Daniel Vetter | 3758b34 | 2014-11-19 18:38:10 +0100 | [diff] [blame] | 3530 | INIT_LIST_HEAD(&property->enum_list); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3531 | |
Vinson Lee | 471dd2e | 2011-11-10 11:55:40 -0800 | [diff] [blame] | 3532 | if (name) { |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3533 | strncpy(property->name, name, DRM_PROP_NAME_LEN); |
Vinson Lee | 471dd2e | 2011-11-10 11:55:40 -0800 | [diff] [blame] | 3534 | property->name[DRM_PROP_NAME_LEN-1] = '\0'; |
| 3535 | } |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3536 | |
| 3537 | list_add_tail(&property->head, &dev->mode_config.property_list); |
Rob Clark | 5ea22f2 | 2014-05-30 11:34:01 -0400 | [diff] [blame] | 3538 | |
| 3539 | WARN_ON(!drm_property_type_valid(property)); |
| 3540 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3541 | return property; |
| 3542 | fail: |
Ville Syrjälä | 6bfc56a | 2012-03-13 12:35:48 +0200 | [diff] [blame] | 3543 | kfree(property->values); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3544 | kfree(property); |
| 3545 | return NULL; |
| 3546 | } |
| 3547 | EXPORT_SYMBOL(drm_property_create); |
| 3548 | |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 3549 | /** |
Thierry Reding | 2aa9d2b | 2014-06-26 21:37:20 +0200 | [diff] [blame] | 3550 | * drm_property_create_enum - create a new enumeration property type |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 3551 | * @dev: drm device |
| 3552 | * @flags: flags specifying the property type |
| 3553 | * @name: name of the property |
| 3554 | * @props: enumeration lists with property values |
| 3555 | * @num_values: number of pre-defined values |
| 3556 | * |
| 3557 | * This creates a new generic drm property which can then be attached to a drm |
| 3558 | * object with drm_object_attach_property. The returned property object must be |
| 3559 | * freed with drm_property_destroy. |
| 3560 | * |
| 3561 | * Userspace is only allowed to set one of the predefined values for enumeration |
| 3562 | * properties. |
| 3563 | * |
| 3564 | * Returns: |
| 3565 | * A pointer to the newly created property on success, NULL on failure. |
| 3566 | */ |
Sascha Hauer | 4a67d39 | 2012-02-06 10:58:17 +0100 | [diff] [blame] | 3567 | struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags, |
| 3568 | const char *name, |
| 3569 | const struct drm_prop_enum_list *props, |
| 3570 | int num_values) |
| 3571 | { |
| 3572 | struct drm_property *property; |
| 3573 | int i, ret; |
| 3574 | |
| 3575 | flags |= DRM_MODE_PROP_ENUM; |
| 3576 | |
| 3577 | property = drm_property_create(dev, flags, name, num_values); |
| 3578 | if (!property) |
| 3579 | return NULL; |
| 3580 | |
| 3581 | for (i = 0; i < num_values; i++) { |
| 3582 | ret = drm_property_add_enum(property, i, |
| 3583 | props[i].type, |
| 3584 | props[i].name); |
| 3585 | if (ret) { |
| 3586 | drm_property_destroy(dev, property); |
| 3587 | return NULL; |
| 3588 | } |
| 3589 | } |
| 3590 | |
| 3591 | return property; |
| 3592 | } |
| 3593 | EXPORT_SYMBOL(drm_property_create_enum); |
| 3594 | |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 3595 | /** |
Thierry Reding | 2aa9d2b | 2014-06-26 21:37:20 +0200 | [diff] [blame] | 3596 | * drm_property_create_bitmask - create a new bitmask property type |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 3597 | * @dev: drm device |
| 3598 | * @flags: flags specifying the property type |
| 3599 | * @name: name of the property |
| 3600 | * @props: enumeration lists with property bitflags |
Daniel Vetter | 295ee85 | 2014-07-30 14:23:44 +0200 | [diff] [blame] | 3601 | * @num_props: size of the @props array |
| 3602 | * @supported_bits: bitmask of all supported enumeration values |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 3603 | * |
Daniel Vetter | 295ee85 | 2014-07-30 14:23:44 +0200 | [diff] [blame] | 3604 | * This creates a new bitmask drm property which can then be attached to a drm |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 3605 | * object with drm_object_attach_property. The returned property object must be |
| 3606 | * freed with drm_property_destroy. |
| 3607 | * |
| 3608 | * Compared to plain enumeration properties userspace is allowed to set any |
| 3609 | * or'ed together combination of the predefined property bitflag values |
| 3610 | * |
| 3611 | * Returns: |
| 3612 | * A pointer to the newly created property on success, NULL on failure. |
| 3613 | */ |
Rob Clark | 49e2754 | 2012-05-17 02:23:26 -0600 | [diff] [blame] | 3614 | struct drm_property *drm_property_create_bitmask(struct drm_device *dev, |
| 3615 | int flags, const char *name, |
| 3616 | const struct drm_prop_enum_list *props, |
Ville Syrjälä | 7689ffb | 2014-07-08 10:31:52 +0530 | [diff] [blame] | 3617 | int num_props, |
| 3618 | uint64_t supported_bits) |
Rob Clark | 49e2754 | 2012-05-17 02:23:26 -0600 | [diff] [blame] | 3619 | { |
| 3620 | struct drm_property *property; |
Ville Syrjälä | 7689ffb | 2014-07-08 10:31:52 +0530 | [diff] [blame] | 3621 | int i, ret, index = 0; |
| 3622 | int num_values = hweight64(supported_bits); |
Rob Clark | 49e2754 | 2012-05-17 02:23:26 -0600 | [diff] [blame] | 3623 | |
| 3624 | flags |= DRM_MODE_PROP_BITMASK; |
| 3625 | |
| 3626 | property = drm_property_create(dev, flags, name, num_values); |
| 3627 | if (!property) |
| 3628 | return NULL; |
Ville Syrjälä | 7689ffb | 2014-07-08 10:31:52 +0530 | [diff] [blame] | 3629 | for (i = 0; i < num_props; i++) { |
| 3630 | if (!(supported_bits & (1ULL << props[i].type))) |
| 3631 | continue; |
Rob Clark | 49e2754 | 2012-05-17 02:23:26 -0600 | [diff] [blame] | 3632 | |
Ville Syrjälä | 7689ffb | 2014-07-08 10:31:52 +0530 | [diff] [blame] | 3633 | if (WARN_ON(index >= num_values)) { |
| 3634 | drm_property_destroy(dev, property); |
| 3635 | return NULL; |
| 3636 | } |
| 3637 | |
| 3638 | ret = drm_property_add_enum(property, index++, |
Rob Clark | 49e2754 | 2012-05-17 02:23:26 -0600 | [diff] [blame] | 3639 | props[i].type, |
| 3640 | props[i].name); |
| 3641 | if (ret) { |
| 3642 | drm_property_destroy(dev, property); |
| 3643 | return NULL; |
| 3644 | } |
| 3645 | } |
| 3646 | |
| 3647 | return property; |
| 3648 | } |
| 3649 | EXPORT_SYMBOL(drm_property_create_bitmask); |
| 3650 | |
Rob Clark | ebc44cf | 2012-09-12 22:22:31 -0500 | [diff] [blame] | 3651 | static struct drm_property *property_create_range(struct drm_device *dev, |
| 3652 | int flags, const char *name, |
| 3653 | uint64_t min, uint64_t max) |
| 3654 | { |
| 3655 | struct drm_property *property; |
| 3656 | |
| 3657 | property = drm_property_create(dev, flags, name, 2); |
| 3658 | if (!property) |
| 3659 | return NULL; |
| 3660 | |
| 3661 | property->values[0] = min; |
| 3662 | property->values[1] = max; |
| 3663 | |
| 3664 | return property; |
| 3665 | } |
| 3666 | |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 3667 | /** |
Thierry Reding | 2aa9d2b | 2014-06-26 21:37:20 +0200 | [diff] [blame] | 3668 | * drm_property_create_range - create a new ranged property type |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 3669 | * @dev: drm device |
| 3670 | * @flags: flags specifying the property type |
| 3671 | * @name: name of the property |
| 3672 | * @min: minimum value of the property |
| 3673 | * @max: maximum value of the property |
| 3674 | * |
| 3675 | * This creates a new generic drm property which can then be attached to a drm |
| 3676 | * object with drm_object_attach_property. The returned property object must be |
| 3677 | * freed with drm_property_destroy. |
| 3678 | * |
Masanari Iida | 32197aa | 2014-10-20 23:53:13 +0900 | [diff] [blame] | 3679 | * Userspace is allowed to set any integer value in the (min, max) range |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 3680 | * inclusive. |
| 3681 | * |
| 3682 | * Returns: |
| 3683 | * A pointer to the newly created property on success, NULL on failure. |
| 3684 | */ |
Sascha Hauer | d9bc3c0 | 2012-02-06 10:58:18 +0100 | [diff] [blame] | 3685 | struct drm_property *drm_property_create_range(struct drm_device *dev, int flags, |
| 3686 | const char *name, |
| 3687 | uint64_t min, uint64_t max) |
| 3688 | { |
Rob Clark | ebc44cf | 2012-09-12 22:22:31 -0500 | [diff] [blame] | 3689 | return property_create_range(dev, DRM_MODE_PROP_RANGE | flags, |
| 3690 | name, min, max); |
Sascha Hauer | d9bc3c0 | 2012-02-06 10:58:18 +0100 | [diff] [blame] | 3691 | } |
| 3692 | EXPORT_SYMBOL(drm_property_create_range); |
| 3693 | |
Rob Clark | ebc44cf | 2012-09-12 22:22:31 -0500 | [diff] [blame] | 3694 | struct drm_property *drm_property_create_signed_range(struct drm_device *dev, |
| 3695 | int flags, const char *name, |
| 3696 | int64_t min, int64_t max) |
| 3697 | { |
| 3698 | return property_create_range(dev, DRM_MODE_PROP_SIGNED_RANGE | flags, |
| 3699 | name, I642U64(min), I642U64(max)); |
| 3700 | } |
| 3701 | EXPORT_SYMBOL(drm_property_create_signed_range); |
| 3702 | |
Rob Clark | 98f75de | 2014-05-30 11:37:03 -0400 | [diff] [blame] | 3703 | struct drm_property *drm_property_create_object(struct drm_device *dev, |
| 3704 | int flags, const char *name, uint32_t type) |
| 3705 | { |
| 3706 | struct drm_property *property; |
| 3707 | |
| 3708 | flags |= DRM_MODE_PROP_OBJECT; |
| 3709 | |
| 3710 | property = drm_property_create(dev, flags, name, 1); |
| 3711 | if (!property) |
| 3712 | return NULL; |
| 3713 | |
| 3714 | property->values[0] = type; |
| 3715 | |
| 3716 | return property; |
| 3717 | } |
| 3718 | EXPORT_SYMBOL(drm_property_create_object); |
| 3719 | |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 3720 | /** |
| 3721 | * drm_property_add_enum - add a possible value to an enumeration property |
| 3722 | * @property: enumeration property to change |
| 3723 | * @index: index of the new enumeration |
| 3724 | * @value: value of the new enumeration |
| 3725 | * @name: symbolic name of the new enumeration |
| 3726 | * |
| 3727 | * This functions adds enumerations to a property. |
| 3728 | * |
| 3729 | * It's use is deprecated, drivers should use one of the more specific helpers |
| 3730 | * to directly create the property with all enumerations already attached. |
| 3731 | * |
| 3732 | * Returns: |
| 3733 | * Zero on success, error code on failure. |
| 3734 | */ |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3735 | int drm_property_add_enum(struct drm_property *property, int index, |
| 3736 | uint64_t value, const char *name) |
| 3737 | { |
| 3738 | struct drm_property_enum *prop_enum; |
| 3739 | |
Rob Clark | 5ea22f2 | 2014-05-30 11:34:01 -0400 | [diff] [blame] | 3740 | if (!(drm_property_type_is(property, DRM_MODE_PROP_ENUM) || |
| 3741 | drm_property_type_is(property, DRM_MODE_PROP_BITMASK))) |
Rob Clark | 49e2754 | 2012-05-17 02:23:26 -0600 | [diff] [blame] | 3742 | return -EINVAL; |
| 3743 | |
| 3744 | /* |
| 3745 | * Bitmask enum properties have the additional constraint of values |
| 3746 | * from 0 to 63 |
| 3747 | */ |
Rob Clark | 5ea22f2 | 2014-05-30 11:34:01 -0400 | [diff] [blame] | 3748 | if (drm_property_type_is(property, DRM_MODE_PROP_BITMASK) && |
| 3749 | (value > 63)) |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3750 | return -EINVAL; |
| 3751 | |
Daniel Vetter | 3758b34 | 2014-11-19 18:38:10 +0100 | [diff] [blame] | 3752 | if (!list_empty(&property->enum_list)) { |
| 3753 | list_for_each_entry(prop_enum, &property->enum_list, head) { |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3754 | if (prop_enum->value == value) { |
| 3755 | strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); |
| 3756 | prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; |
| 3757 | return 0; |
| 3758 | } |
| 3759 | } |
| 3760 | } |
| 3761 | |
| 3762 | prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL); |
| 3763 | if (!prop_enum) |
| 3764 | return -ENOMEM; |
| 3765 | |
| 3766 | strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); |
| 3767 | prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; |
| 3768 | prop_enum->value = value; |
| 3769 | |
| 3770 | property->values[index] = value; |
Daniel Vetter | 3758b34 | 2014-11-19 18:38:10 +0100 | [diff] [blame] | 3771 | list_add_tail(&prop_enum->head, &property->enum_list); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3772 | return 0; |
| 3773 | } |
| 3774 | EXPORT_SYMBOL(drm_property_add_enum); |
| 3775 | |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 3776 | /** |
| 3777 | * drm_property_destroy - destroy a drm property |
| 3778 | * @dev: drm device |
| 3779 | * @property: property to destry |
| 3780 | * |
| 3781 | * This function frees a property including any attached resources like |
| 3782 | * enumeration values. |
| 3783 | */ |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3784 | void drm_property_destroy(struct drm_device *dev, struct drm_property *property) |
| 3785 | { |
| 3786 | struct drm_property_enum *prop_enum, *pt; |
| 3787 | |
Daniel Vetter | 3758b34 | 2014-11-19 18:38:10 +0100 | [diff] [blame] | 3788 | list_for_each_entry_safe(prop_enum, pt, &property->enum_list, head) { |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3789 | list_del(&prop_enum->head); |
| 3790 | kfree(prop_enum); |
| 3791 | } |
| 3792 | |
| 3793 | if (property->num_values) |
| 3794 | kfree(property->values); |
| 3795 | drm_mode_object_put(dev, &property->base); |
| 3796 | list_del(&property->head); |
| 3797 | kfree(property); |
| 3798 | } |
| 3799 | EXPORT_SYMBOL(drm_property_destroy); |
| 3800 | |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 3801 | /** |
| 3802 | * drm_object_attach_property - attach a property to a modeset object |
| 3803 | * @obj: drm modeset object |
| 3804 | * @property: property to attach |
| 3805 | * @init_val: initial value of the property |
| 3806 | * |
| 3807 | * This attaches the given property to the modeset object with the given initial |
| 3808 | * value. Currently this function cannot fail since the properties are stored in |
| 3809 | * a statically sized array. |
| 3810 | */ |
Paulo Zanoni | c543188 | 2012-05-15 18:09:02 -0300 | [diff] [blame] | 3811 | void drm_object_attach_property(struct drm_mode_object *obj, |
| 3812 | struct drm_property *property, |
| 3813 | uint64_t init_val) |
| 3814 | { |
Paulo Zanoni | 7f88a9b | 2012-05-15 18:09:04 -0300 | [diff] [blame] | 3815 | int count = obj->properties->count; |
Paulo Zanoni | c543188 | 2012-05-15 18:09:02 -0300 | [diff] [blame] | 3816 | |
Paulo Zanoni | 7f88a9b | 2012-05-15 18:09:04 -0300 | [diff] [blame] | 3817 | if (count == DRM_OBJECT_MAX_PROPERTY) { |
| 3818 | WARN(1, "Failed to attach object property (type: 0x%x). Please " |
| 3819 | "increase DRM_OBJECT_MAX_PROPERTY by 1 for each time " |
| 3820 | "you see this message on the same object type.\n", |
| 3821 | obj->type); |
| 3822 | return; |
Paulo Zanoni | c543188 | 2012-05-15 18:09:02 -0300 | [diff] [blame] | 3823 | } |
| 3824 | |
Paulo Zanoni | 7f88a9b | 2012-05-15 18:09:04 -0300 | [diff] [blame] | 3825 | obj->properties->ids[count] = property->base.id; |
| 3826 | obj->properties->values[count] = init_val; |
| 3827 | obj->properties->count++; |
Paulo Zanoni | c543188 | 2012-05-15 18:09:02 -0300 | [diff] [blame] | 3828 | } |
| 3829 | EXPORT_SYMBOL(drm_object_attach_property); |
| 3830 | |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 3831 | /** |
| 3832 | * drm_object_property_set_value - set the value of a property |
| 3833 | * @obj: drm mode object to set property value for |
| 3834 | * @property: property to set |
| 3835 | * @val: value the property should be set to |
| 3836 | * |
| 3837 | * This functions sets a given property on a given object. This function only |
| 3838 | * changes the software state of the property, it does not call into the |
| 3839 | * driver's ->set_property callback. |
| 3840 | * |
| 3841 | * Returns: |
| 3842 | * Zero on success, error code on failure. |
| 3843 | */ |
Paulo Zanoni | c543188 | 2012-05-15 18:09:02 -0300 | [diff] [blame] | 3844 | int drm_object_property_set_value(struct drm_mode_object *obj, |
| 3845 | struct drm_property *property, uint64_t val) |
| 3846 | { |
| 3847 | int i; |
| 3848 | |
Paulo Zanoni | 7f88a9b | 2012-05-15 18:09:04 -0300 | [diff] [blame] | 3849 | for (i = 0; i < obj->properties->count; i++) { |
Paulo Zanoni | c543188 | 2012-05-15 18:09:02 -0300 | [diff] [blame] | 3850 | if (obj->properties->ids[i] == property->base.id) { |
| 3851 | obj->properties->values[i] = val; |
| 3852 | return 0; |
| 3853 | } |
| 3854 | } |
| 3855 | |
| 3856 | return -EINVAL; |
| 3857 | } |
| 3858 | EXPORT_SYMBOL(drm_object_property_set_value); |
| 3859 | |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 3860 | /** |
| 3861 | * drm_object_property_get_value - retrieve the value of a property |
| 3862 | * @obj: drm mode object to get property value from |
| 3863 | * @property: property to retrieve |
| 3864 | * @val: storage for the property value |
| 3865 | * |
| 3866 | * This function retrieves the softare state of the given property for the given |
| 3867 | * property. Since there is no driver callback to retrieve the current property |
| 3868 | * value this might be out of sync with the hardware, depending upon the driver |
| 3869 | * and property. |
| 3870 | * |
| 3871 | * Returns: |
| 3872 | * Zero on success, error code on failure. |
| 3873 | */ |
Paulo Zanoni | c543188 | 2012-05-15 18:09:02 -0300 | [diff] [blame] | 3874 | int drm_object_property_get_value(struct drm_mode_object *obj, |
| 3875 | struct drm_property *property, uint64_t *val) |
| 3876 | { |
| 3877 | int i; |
| 3878 | |
Paulo Zanoni | 7f88a9b | 2012-05-15 18:09:04 -0300 | [diff] [blame] | 3879 | for (i = 0; i < obj->properties->count; i++) { |
Paulo Zanoni | c543188 | 2012-05-15 18:09:02 -0300 | [diff] [blame] | 3880 | if (obj->properties->ids[i] == property->base.id) { |
| 3881 | *val = obj->properties->values[i]; |
| 3882 | return 0; |
| 3883 | } |
| 3884 | } |
| 3885 | |
| 3886 | return -EINVAL; |
| 3887 | } |
| 3888 | EXPORT_SYMBOL(drm_object_property_get_value); |
| 3889 | |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 3890 | /** |
Daniel Vetter | 1a49863 | 2014-11-19 18:38:09 +0100 | [diff] [blame] | 3891 | * drm_mode_getproperty_ioctl - get the property metadata |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 3892 | * @dev: DRM device |
| 3893 | * @data: ioctl data |
| 3894 | * @file_priv: DRM file info |
| 3895 | * |
Daniel Vetter | 1a49863 | 2014-11-19 18:38:09 +0100 | [diff] [blame] | 3896 | * This function retrieves the metadata for a given property, like the different |
| 3897 | * possible values for an enum property or the limits for a range property. |
| 3898 | * |
| 3899 | * Blob properties are special |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 3900 | * |
| 3901 | * Called by the user via ioctl. |
| 3902 | * |
| 3903 | * Returns: |
Daniel Vetter | 1a49863 | 2014-11-19 18:38:09 +0100 | [diff] [blame] | 3904 | * Zero on success, negative errno on failure. |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 3905 | */ |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3906 | int drm_mode_getproperty_ioctl(struct drm_device *dev, |
| 3907 | void *data, struct drm_file *file_priv) |
| 3908 | { |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3909 | struct drm_mode_get_property *out_resp = data; |
| 3910 | struct drm_property *property; |
| 3911 | int enum_count = 0; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3912 | int value_count = 0; |
| 3913 | int ret = 0, i; |
| 3914 | int copied; |
| 3915 | struct drm_property_enum *prop_enum; |
| 3916 | struct drm_mode_property_enum __user *enum_ptr; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3917 | uint64_t __user *values_ptr; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3918 | |
Dave Airlie | fb3b06c | 2011-02-08 13:55:21 +1000 | [diff] [blame] | 3919 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
| 3920 | return -EINVAL; |
| 3921 | |
Daniel Vetter | 8484990 | 2012-12-02 00:28:11 +0100 | [diff] [blame] | 3922 | drm_modeset_lock_all(dev); |
Rob Clark | a2b34e2 | 2013-10-05 16:36:52 -0400 | [diff] [blame] | 3923 | property = drm_property_find(dev, out_resp->prop_id); |
| 3924 | if (!property) { |
Ville Syrjälä | f27657f | 2013-10-17 13:35:00 +0300 | [diff] [blame] | 3925 | ret = -ENOENT; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3926 | goto done; |
| 3927 | } |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3928 | |
Rob Clark | 5ea22f2 | 2014-05-30 11:34:01 -0400 | [diff] [blame] | 3929 | if (drm_property_type_is(property, DRM_MODE_PROP_ENUM) || |
| 3930 | drm_property_type_is(property, DRM_MODE_PROP_BITMASK)) { |
Daniel Vetter | 3758b34 | 2014-11-19 18:38:10 +0100 | [diff] [blame] | 3931 | list_for_each_entry(prop_enum, &property->enum_list, head) |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3932 | enum_count++; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3933 | } |
| 3934 | |
| 3935 | value_count = property->num_values; |
| 3936 | |
| 3937 | strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN); |
| 3938 | out_resp->name[DRM_PROP_NAME_LEN-1] = 0; |
| 3939 | out_resp->flags = property->flags; |
| 3940 | |
| 3941 | if ((out_resp->count_values >= value_count) && value_count) { |
Ville Syrjälä | 81f6c7f | 2011-12-20 00:06:42 +0200 | [diff] [blame] | 3942 | values_ptr = (uint64_t __user *)(unsigned long)out_resp->values_ptr; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3943 | for (i = 0; i < value_count; i++) { |
| 3944 | if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) { |
| 3945 | ret = -EFAULT; |
| 3946 | goto done; |
| 3947 | } |
| 3948 | } |
| 3949 | } |
| 3950 | out_resp->count_values = value_count; |
| 3951 | |
Rob Clark | 5ea22f2 | 2014-05-30 11:34:01 -0400 | [diff] [blame] | 3952 | if (drm_property_type_is(property, DRM_MODE_PROP_ENUM) || |
| 3953 | drm_property_type_is(property, DRM_MODE_PROP_BITMASK)) { |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3954 | if ((out_resp->count_enum_blobs >= enum_count) && enum_count) { |
| 3955 | copied = 0; |
Ville Syrjälä | 81f6c7f | 2011-12-20 00:06:42 +0200 | [diff] [blame] | 3956 | enum_ptr = (struct drm_mode_property_enum __user *)(unsigned long)out_resp->enum_blob_ptr; |
Daniel Vetter | 3758b34 | 2014-11-19 18:38:10 +0100 | [diff] [blame] | 3957 | list_for_each_entry(prop_enum, &property->enum_list, head) { |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3958 | |
| 3959 | if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) { |
| 3960 | ret = -EFAULT; |
| 3961 | goto done; |
| 3962 | } |
| 3963 | |
| 3964 | if (copy_to_user(&enum_ptr[copied].name, |
| 3965 | &prop_enum->name, DRM_PROP_NAME_LEN)) { |
| 3966 | ret = -EFAULT; |
| 3967 | goto done; |
| 3968 | } |
| 3969 | copied++; |
| 3970 | } |
| 3971 | } |
| 3972 | out_resp->count_enum_blobs = enum_count; |
| 3973 | } |
| 3974 | |
Daniel Vetter | 3758b34 | 2014-11-19 18:38:10 +0100 | [diff] [blame] | 3975 | /* |
| 3976 | * NOTE: The idea seems to have been to use this to read all the blob |
| 3977 | * property values. But nothing ever added them to the corresponding |
| 3978 | * list, userspace always used the special-purpose get_blob ioctl to |
| 3979 | * read the value for a blob property. It also doesn't make a lot of |
| 3980 | * sense to return values here when everything else is just metadata for |
| 3981 | * the property itself. |
| 3982 | */ |
| 3983 | if (drm_property_type_is(property, DRM_MODE_PROP_BLOB)) |
| 3984 | out_resp->count_enum_blobs = 0; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3985 | done: |
Daniel Vetter | 8484990 | 2012-12-02 00:28:11 +0100 | [diff] [blame] | 3986 | drm_modeset_unlock_all(dev); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3987 | return ret; |
| 3988 | } |
| 3989 | |
Thierry Reding | ecbbe59 | 2014-05-13 11:36:13 +0200 | [diff] [blame] | 3990 | static struct drm_property_blob * |
| 3991 | drm_property_create_blob(struct drm_device *dev, size_t length, |
Thierry Reding | 12e6cec | 2014-05-13 11:38:36 +0200 | [diff] [blame] | 3992 | const void *data) |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3993 | { |
| 3994 | struct drm_property_blob *blob; |
Ville Syrjälä | 6bfc56a | 2012-03-13 12:35:48 +0200 | [diff] [blame] | 3995 | int ret; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 3996 | |
| 3997 | if (!length || !data) |
| 3998 | return NULL; |
| 3999 | |
| 4000 | blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL); |
| 4001 | if (!blob) |
| 4002 | return NULL; |
| 4003 | |
Ville Syrjälä | 6bfc56a | 2012-03-13 12:35:48 +0200 | [diff] [blame] | 4004 | ret = drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB); |
| 4005 | if (ret) { |
| 4006 | kfree(blob); |
| 4007 | return NULL; |
| 4008 | } |
| 4009 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 4010 | blob->length = length; |
| 4011 | |
| 4012 | memcpy(blob->data, data, length); |
| 4013 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 4014 | list_add_tail(&blob->head, &dev->mode_config.property_blob_list); |
| 4015 | return blob; |
| 4016 | } |
| 4017 | |
| 4018 | static void drm_property_destroy_blob(struct drm_device *dev, |
| 4019 | struct drm_property_blob *blob) |
| 4020 | { |
| 4021 | drm_mode_object_put(dev, &blob->base); |
| 4022 | list_del(&blob->head); |
| 4023 | kfree(blob); |
| 4024 | } |
| 4025 | |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 4026 | /** |
| 4027 | * drm_mode_getblob_ioctl - get the contents of a blob property value |
| 4028 | * @dev: DRM device |
| 4029 | * @data: ioctl data |
| 4030 | * @file_priv: DRM file info |
| 4031 | * |
| 4032 | * This function retrieves the contents of a blob property. The value stored in |
| 4033 | * an object's blob property is just a normal modeset object id. |
| 4034 | * |
| 4035 | * Called by the user via ioctl. |
| 4036 | * |
| 4037 | * Returns: |
Daniel Vetter | 1a49863 | 2014-11-19 18:38:09 +0100 | [diff] [blame] | 4038 | * Zero on success, negative errno on failure. |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 4039 | */ |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 4040 | int drm_mode_getblob_ioctl(struct drm_device *dev, |
| 4041 | void *data, struct drm_file *file_priv) |
| 4042 | { |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 4043 | struct drm_mode_get_blob *out_resp = data; |
| 4044 | struct drm_property_blob *blob; |
| 4045 | int ret = 0; |
Ville Syrjälä | 81f6c7f | 2011-12-20 00:06:42 +0200 | [diff] [blame] | 4046 | void __user *blob_ptr; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 4047 | |
Dave Airlie | fb3b06c | 2011-02-08 13:55:21 +1000 | [diff] [blame] | 4048 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
| 4049 | return -EINVAL; |
| 4050 | |
Daniel Vetter | 8484990 | 2012-12-02 00:28:11 +0100 | [diff] [blame] | 4051 | drm_modeset_lock_all(dev); |
Rob Clark | a2b34e2 | 2013-10-05 16:36:52 -0400 | [diff] [blame] | 4052 | blob = drm_property_blob_find(dev, out_resp->blob_id); |
| 4053 | if (!blob) { |
Ville Syrjälä | f27657f | 2013-10-17 13:35:00 +0300 | [diff] [blame] | 4054 | ret = -ENOENT; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 4055 | goto done; |
| 4056 | } |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 4057 | |
| 4058 | if (out_resp->length == blob->length) { |
Ville Syrjälä | 81f6c7f | 2011-12-20 00:06:42 +0200 | [diff] [blame] | 4059 | blob_ptr = (void __user *)(unsigned long)out_resp->data; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 4060 | if (copy_to_user(blob_ptr, blob->data, blob->length)){ |
| 4061 | ret = -EFAULT; |
| 4062 | goto done; |
| 4063 | } |
| 4064 | } |
| 4065 | out_resp->length = blob->length; |
| 4066 | |
| 4067 | done: |
Daniel Vetter | 8484990 | 2012-12-02 00:28:11 +0100 | [diff] [blame] | 4068 | drm_modeset_unlock_all(dev); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 4069 | return ret; |
| 4070 | } |
| 4071 | |
Dave Airlie | cc7096f | 2014-10-22 12:03:04 +1000 | [diff] [blame] | 4072 | /** |
| 4073 | * drm_mode_connector_set_path_property - set tile property on connector |
| 4074 | * @connector: connector to set property on. |
| 4075 | * @path: path to use for property. |
| 4076 | * |
| 4077 | * This creates a property to expose to userspace to specify a |
| 4078 | * connector path. This is mainly used for DisplayPort MST where |
| 4079 | * connectors have a topology and we want to allow userspace to give |
| 4080 | * them more meaningful names. |
| 4081 | * |
| 4082 | * Returns: |
Daniel Vetter | 1a49863 | 2014-11-19 18:38:09 +0100 | [diff] [blame] | 4083 | * Zero on success, negative errno on failure. |
Dave Airlie | cc7096f | 2014-10-22 12:03:04 +1000 | [diff] [blame] | 4084 | */ |
Dave Airlie | 43aba7e | 2014-06-05 14:01:31 +1000 | [diff] [blame] | 4085 | int drm_mode_connector_set_path_property(struct drm_connector *connector, |
Thierry Reding | 12e6cec | 2014-05-13 11:38:36 +0200 | [diff] [blame] | 4086 | const char *path) |
Dave Airlie | 43aba7e | 2014-06-05 14:01:31 +1000 | [diff] [blame] | 4087 | { |
| 4088 | struct drm_device *dev = connector->dev; |
Thierry Reding | ecbbe59 | 2014-05-13 11:36:13 +0200 | [diff] [blame] | 4089 | size_t size = strlen(path) + 1; |
| 4090 | int ret; |
Dave Airlie | 43aba7e | 2014-06-05 14:01:31 +1000 | [diff] [blame] | 4091 | |
| 4092 | connector->path_blob_ptr = drm_property_create_blob(connector->dev, |
| 4093 | size, path); |
| 4094 | if (!connector->path_blob_ptr) |
| 4095 | return -EINVAL; |
| 4096 | |
| 4097 | ret = drm_object_property_set_value(&connector->base, |
| 4098 | dev->mode_config.path_property, |
| 4099 | connector->path_blob_ptr->base.id); |
| 4100 | return ret; |
| 4101 | } |
| 4102 | EXPORT_SYMBOL(drm_mode_connector_set_path_property); |
| 4103 | |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 4104 | /** |
Dave Airlie | 6f134d7 | 2014-10-20 16:30:50 +1000 | [diff] [blame] | 4105 | * drm_mode_connector_set_tile_property - set tile property on connector |
| 4106 | * @connector: connector to set property on. |
| 4107 | * |
| 4108 | * This looks up the tile information for a connector, and creates a |
| 4109 | * property for userspace to parse if it exists. The property is of |
| 4110 | * the form of 8 integers using ':' as a separator. |
| 4111 | * |
| 4112 | * Returns: |
| 4113 | * Zero on success, errno on failure. |
| 4114 | */ |
| 4115 | int drm_mode_connector_set_tile_property(struct drm_connector *connector) |
| 4116 | { |
| 4117 | struct drm_device *dev = connector->dev; |
| 4118 | int ret, size; |
| 4119 | char tile[256]; |
| 4120 | |
| 4121 | if (connector->tile_blob_ptr) |
| 4122 | drm_property_destroy_blob(dev, connector->tile_blob_ptr); |
| 4123 | |
| 4124 | if (!connector->has_tile) { |
| 4125 | connector->tile_blob_ptr = NULL; |
| 4126 | ret = drm_object_property_set_value(&connector->base, |
| 4127 | dev->mode_config.tile_property, 0); |
| 4128 | return ret; |
| 4129 | } |
| 4130 | |
| 4131 | snprintf(tile, 256, "%d:%d:%d:%d:%d:%d:%d:%d", |
| 4132 | connector->tile_group->id, connector->tile_is_single_monitor, |
| 4133 | connector->num_h_tile, connector->num_v_tile, |
| 4134 | connector->tile_h_loc, connector->tile_v_loc, |
| 4135 | connector->tile_h_size, connector->tile_v_size); |
| 4136 | size = strlen(tile) + 1; |
| 4137 | |
| 4138 | connector->tile_blob_ptr = drm_property_create_blob(connector->dev, |
| 4139 | size, tile); |
| 4140 | if (!connector->tile_blob_ptr) |
| 4141 | return -EINVAL; |
| 4142 | |
| 4143 | ret = drm_object_property_set_value(&connector->base, |
| 4144 | dev->mode_config.tile_property, |
| 4145 | connector->tile_blob_ptr->base.id); |
| 4146 | return ret; |
| 4147 | } |
| 4148 | EXPORT_SYMBOL(drm_mode_connector_set_tile_property); |
| 4149 | |
| 4150 | /** |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 4151 | * drm_mode_connector_update_edid_property - update the edid property of a connector |
| 4152 | * @connector: drm connector |
| 4153 | * @edid: new value of the edid property |
| 4154 | * |
| 4155 | * This function creates a new blob modeset object and assigns its id to the |
| 4156 | * connector's edid property. |
| 4157 | * |
| 4158 | * Returns: |
Daniel Vetter | 1a49863 | 2014-11-19 18:38:09 +0100 | [diff] [blame] | 4159 | * Zero on success, negative errno on failure. |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 4160 | */ |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 4161 | int drm_mode_connector_update_edid_property(struct drm_connector *connector, |
Thierry Reding | 12e6cec | 2014-05-13 11:38:36 +0200 | [diff] [blame] | 4162 | const struct edid *edid) |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 4163 | { |
| 4164 | struct drm_device *dev = connector->dev; |
Thierry Reding | ecbbe59 | 2014-05-13 11:36:13 +0200 | [diff] [blame] | 4165 | size_t size; |
| 4166 | int ret; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 4167 | |
Thomas Wood | 4cf2b28 | 2014-06-18 17:52:33 +0100 | [diff] [blame] | 4168 | /* ignore requests to set edid when overridden */ |
| 4169 | if (connector->override_edid) |
| 4170 | return 0; |
| 4171 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 4172 | if (connector->edid_blob_ptr) |
| 4173 | drm_property_destroy_blob(dev, connector->edid_blob_ptr); |
| 4174 | |
| 4175 | /* Delete edid, when there is none. */ |
| 4176 | if (!edid) { |
| 4177 | connector->edid_blob_ptr = NULL; |
Rob Clark | 5849556 | 2012-10-11 20:50:56 -0500 | [diff] [blame] | 4178 | ret = drm_object_property_set_value(&connector->base, dev->mode_config.edid_property, 0); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 4179 | return ret; |
| 4180 | } |
| 4181 | |
Adam Jackson | 7466f4c | 2010-03-29 21:43:23 +0000 | [diff] [blame] | 4182 | size = EDID_LENGTH * (1 + edid->extensions); |
| 4183 | connector->edid_blob_ptr = drm_property_create_blob(connector->dev, |
| 4184 | size, edid); |
Sachin Kamat | e655d12 | 2012-11-19 09:44:57 +0000 | [diff] [blame] | 4185 | if (!connector->edid_blob_ptr) |
| 4186 | return -EINVAL; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 4187 | |
Rob Clark | 5849556 | 2012-10-11 20:50:56 -0500 | [diff] [blame] | 4188 | ret = drm_object_property_set_value(&connector->base, |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 4189 | dev->mode_config.edid_property, |
| 4190 | connector->edid_blob_ptr->base.id); |
| 4191 | |
| 4192 | return ret; |
| 4193 | } |
| 4194 | EXPORT_SYMBOL(drm_mode_connector_update_edid_property); |
| 4195 | |
Paulo Zanoni | 26a3481 | 2012-05-15 18:08:59 -0300 | [diff] [blame] | 4196 | static bool drm_property_change_is_valid(struct drm_property *property, |
Ville Syrjälä | 592c20e | 2012-05-24 20:53:58 +0300 | [diff] [blame] | 4197 | uint64_t value) |
Paulo Zanoni | 26a3481 | 2012-05-15 18:08:59 -0300 | [diff] [blame] | 4198 | { |
| 4199 | if (property->flags & DRM_MODE_PROP_IMMUTABLE) |
| 4200 | return false; |
Rob Clark | 5ea22f2 | 2014-05-30 11:34:01 -0400 | [diff] [blame] | 4201 | |
| 4202 | if (drm_property_type_is(property, DRM_MODE_PROP_RANGE)) { |
Paulo Zanoni | 26a3481 | 2012-05-15 18:08:59 -0300 | [diff] [blame] | 4203 | if (value < property->values[0] || value > property->values[1]) |
| 4204 | return false; |
| 4205 | return true; |
Rob Clark | ebc44cf | 2012-09-12 22:22:31 -0500 | [diff] [blame] | 4206 | } else if (drm_property_type_is(property, DRM_MODE_PROP_SIGNED_RANGE)) { |
| 4207 | int64_t svalue = U642I64(value); |
| 4208 | if (svalue < U642I64(property->values[0]) || |
| 4209 | svalue > U642I64(property->values[1])) |
| 4210 | return false; |
| 4211 | return true; |
Rob Clark | 5ea22f2 | 2014-05-30 11:34:01 -0400 | [diff] [blame] | 4212 | } else if (drm_property_type_is(property, DRM_MODE_PROP_BITMASK)) { |
Rob Clark | 49e2754 | 2012-05-17 02:23:26 -0600 | [diff] [blame] | 4213 | int i; |
Ville Syrjälä | 592c20e | 2012-05-24 20:53:58 +0300 | [diff] [blame] | 4214 | uint64_t valid_mask = 0; |
Rob Clark | 49e2754 | 2012-05-17 02:23:26 -0600 | [diff] [blame] | 4215 | for (i = 0; i < property->num_values; i++) |
| 4216 | valid_mask |= (1ULL << property->values[i]); |
| 4217 | return !(value & ~valid_mask); |
Rob Clark | 5ea22f2 | 2014-05-30 11:34:01 -0400 | [diff] [blame] | 4218 | } else if (drm_property_type_is(property, DRM_MODE_PROP_BLOB)) { |
Ville Syrjälä | c4a5675 | 2012-10-25 18:05:06 +0000 | [diff] [blame] | 4219 | /* Only the driver knows */ |
| 4220 | return true; |
Rob Clark | 98f75de | 2014-05-30 11:37:03 -0400 | [diff] [blame] | 4221 | } else if (drm_property_type_is(property, DRM_MODE_PROP_OBJECT)) { |
| 4222 | struct drm_mode_object *obj; |
| 4223 | /* a zero value for an object property translates to null: */ |
| 4224 | if (value == 0) |
| 4225 | return true; |
| 4226 | /* |
| 4227 | * NOTE: use _object_find() directly to bypass restriction on |
| 4228 | * looking up refcnt'd objects (ie. fb's). For a refcnt'd |
| 4229 | * object this could race against object finalization, so it |
| 4230 | * simply tells us that the object *was* valid. Which is good |
| 4231 | * enough. |
| 4232 | */ |
| 4233 | obj = _object_find(property->dev, value, property->values[0]); |
| 4234 | return obj != NULL; |
Paulo Zanoni | 26a3481 | 2012-05-15 18:08:59 -0300 | [diff] [blame] | 4235 | } else { |
| 4236 | int i; |
| 4237 | for (i = 0; i < property->num_values; i++) |
| 4238 | if (property->values[i] == value) |
| 4239 | return true; |
| 4240 | return false; |
| 4241 | } |
| 4242 | } |
| 4243 | |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 4244 | /** |
| 4245 | * drm_mode_connector_property_set_ioctl - set the current value of a connector property |
| 4246 | * @dev: DRM device |
| 4247 | * @data: ioctl data |
| 4248 | * @file_priv: DRM file info |
| 4249 | * |
| 4250 | * This function sets the current value for a connectors's property. It also |
| 4251 | * calls into a driver's ->set_property callback to update the hardware state |
| 4252 | * |
| 4253 | * Called by the user via ioctl. |
| 4254 | * |
| 4255 | * Returns: |
Daniel Vetter | 1a49863 | 2014-11-19 18:38:09 +0100 | [diff] [blame] | 4256 | * Zero on success, negative errno on failure. |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 4257 | */ |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 4258 | int drm_mode_connector_property_set_ioctl(struct drm_device *dev, |
| 4259 | void *data, struct drm_file *file_priv) |
| 4260 | { |
Paulo Zanoni | 0057d8d | 2012-05-15 18:09:03 -0300 | [diff] [blame] | 4261 | struct drm_mode_connector_set_property *conn_set_prop = data; |
| 4262 | struct drm_mode_obj_set_property obj_set_prop = { |
| 4263 | .value = conn_set_prop->value, |
| 4264 | .prop_id = conn_set_prop->prop_id, |
| 4265 | .obj_id = conn_set_prop->connector_id, |
| 4266 | .obj_type = DRM_MODE_OBJECT_CONNECTOR |
| 4267 | }; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 4268 | |
Paulo Zanoni | 0057d8d | 2012-05-15 18:09:03 -0300 | [diff] [blame] | 4269 | /* It does all the locking and checking we need */ |
| 4270 | return drm_mode_obj_set_property_ioctl(dev, &obj_set_prop, file_priv); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 4271 | } |
| 4272 | |
Paulo Zanoni | c543188 | 2012-05-15 18:09:02 -0300 | [diff] [blame] | 4273 | static int drm_mode_connector_set_obj_prop(struct drm_mode_object *obj, |
| 4274 | struct drm_property *property, |
| 4275 | uint64_t value) |
| 4276 | { |
| 4277 | int ret = -EINVAL; |
| 4278 | struct drm_connector *connector = obj_to_connector(obj); |
| 4279 | |
| 4280 | /* Do DPMS ourselves */ |
| 4281 | if (property == connector->dev->mode_config.dpms_property) { |
| 4282 | if (connector->funcs->dpms) |
| 4283 | (*connector->funcs->dpms)(connector, (int)value); |
| 4284 | ret = 0; |
| 4285 | } else if (connector->funcs->set_property) |
| 4286 | ret = connector->funcs->set_property(connector, property, value); |
| 4287 | |
| 4288 | /* store the property value if successful */ |
| 4289 | if (!ret) |
Rob Clark | 5849556 | 2012-10-11 20:50:56 -0500 | [diff] [blame] | 4290 | drm_object_property_set_value(&connector->base, property, value); |
Paulo Zanoni | c543188 | 2012-05-15 18:09:02 -0300 | [diff] [blame] | 4291 | return ret; |
| 4292 | } |
| 4293 | |
Paulo Zanoni | bffd9de0 | 2012-05-15 18:09:05 -0300 | [diff] [blame] | 4294 | static int drm_mode_crtc_set_obj_prop(struct drm_mode_object *obj, |
| 4295 | struct drm_property *property, |
| 4296 | uint64_t value) |
| 4297 | { |
| 4298 | int ret = -EINVAL; |
| 4299 | struct drm_crtc *crtc = obj_to_crtc(obj); |
| 4300 | |
| 4301 | if (crtc->funcs->set_property) |
| 4302 | ret = crtc->funcs->set_property(crtc, property, value); |
| 4303 | if (!ret) |
| 4304 | drm_object_property_set_value(obj, property, value); |
| 4305 | |
| 4306 | return ret; |
| 4307 | } |
| 4308 | |
Thomas Wood | 3a5f87c | 2014-08-20 14:45:00 +0100 | [diff] [blame] | 4309 | /** |
| 4310 | * drm_mode_plane_set_obj_prop - set the value of a property |
| 4311 | * @plane: drm plane object to set property value for |
| 4312 | * @property: property to set |
| 4313 | * @value: value the property should be set to |
| 4314 | * |
| 4315 | * This functions sets a given property on a given plane object. This function |
| 4316 | * calls the driver's ->set_property callback and changes the software state of |
| 4317 | * the property if the callback succeeds. |
| 4318 | * |
| 4319 | * Returns: |
| 4320 | * Zero on success, error code on failure. |
| 4321 | */ |
| 4322 | int drm_mode_plane_set_obj_prop(struct drm_plane *plane, |
| 4323 | struct drm_property *property, |
| 4324 | uint64_t value) |
Rob Clark | 4d93914 | 2012-05-17 02:23:27 -0600 | [diff] [blame] | 4325 | { |
| 4326 | int ret = -EINVAL; |
Thomas Wood | 3a5f87c | 2014-08-20 14:45:00 +0100 | [diff] [blame] | 4327 | struct drm_mode_object *obj = &plane->base; |
Rob Clark | 4d93914 | 2012-05-17 02:23:27 -0600 | [diff] [blame] | 4328 | |
| 4329 | if (plane->funcs->set_property) |
| 4330 | ret = plane->funcs->set_property(plane, property, value); |
| 4331 | if (!ret) |
| 4332 | drm_object_property_set_value(obj, property, value); |
| 4333 | |
| 4334 | return ret; |
| 4335 | } |
Thomas Wood | 3a5f87c | 2014-08-20 14:45:00 +0100 | [diff] [blame] | 4336 | EXPORT_SYMBOL(drm_mode_plane_set_obj_prop); |
Rob Clark | 4d93914 | 2012-05-17 02:23:27 -0600 | [diff] [blame] | 4337 | |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 4338 | /** |
Daniel Vetter | 1a49863 | 2014-11-19 18:38:09 +0100 | [diff] [blame] | 4339 | * drm_mode_obj_get_properties_ioctl - get the current value of a object's property |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 4340 | * @dev: DRM device |
| 4341 | * @data: ioctl data |
| 4342 | * @file_priv: DRM file info |
| 4343 | * |
| 4344 | * This function retrieves the current value for an object's property. Compared |
| 4345 | * to the connector specific ioctl this one is extended to also work on crtc and |
| 4346 | * plane objects. |
| 4347 | * |
| 4348 | * Called by the user via ioctl. |
| 4349 | * |
| 4350 | * Returns: |
Daniel Vetter | 1a49863 | 2014-11-19 18:38:09 +0100 | [diff] [blame] | 4351 | * Zero on success, negative errno on failure. |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 4352 | */ |
Paulo Zanoni | c543188 | 2012-05-15 18:09:02 -0300 | [diff] [blame] | 4353 | int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data, |
| 4354 | struct drm_file *file_priv) |
| 4355 | { |
| 4356 | struct drm_mode_obj_get_properties *arg = data; |
| 4357 | struct drm_mode_object *obj; |
| 4358 | int ret = 0; |
| 4359 | int i; |
| 4360 | int copied = 0; |
| 4361 | int props_count = 0; |
| 4362 | uint32_t __user *props_ptr; |
| 4363 | uint64_t __user *prop_values_ptr; |
| 4364 | |
| 4365 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
| 4366 | return -EINVAL; |
| 4367 | |
Daniel Vetter | 8484990 | 2012-12-02 00:28:11 +0100 | [diff] [blame] | 4368 | drm_modeset_lock_all(dev); |
Paulo Zanoni | c543188 | 2012-05-15 18:09:02 -0300 | [diff] [blame] | 4369 | |
| 4370 | obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); |
| 4371 | if (!obj) { |
Ville Syrjälä | f27657f | 2013-10-17 13:35:00 +0300 | [diff] [blame] | 4372 | ret = -ENOENT; |
Paulo Zanoni | c543188 | 2012-05-15 18:09:02 -0300 | [diff] [blame] | 4373 | goto out; |
| 4374 | } |
| 4375 | if (!obj->properties) { |
| 4376 | ret = -EINVAL; |
| 4377 | goto out; |
| 4378 | } |
| 4379 | |
Paulo Zanoni | 7f88a9b | 2012-05-15 18:09:04 -0300 | [diff] [blame] | 4380 | props_count = obj->properties->count; |
Paulo Zanoni | c543188 | 2012-05-15 18:09:02 -0300 | [diff] [blame] | 4381 | |
| 4382 | /* This ioctl is called twice, once to determine how much space is |
| 4383 | * needed, and the 2nd time to fill it. */ |
| 4384 | if ((arg->count_props >= props_count) && props_count) { |
| 4385 | copied = 0; |
| 4386 | props_ptr = (uint32_t __user *)(unsigned long)(arg->props_ptr); |
| 4387 | prop_values_ptr = (uint64_t __user *)(unsigned long) |
| 4388 | (arg->prop_values_ptr); |
| 4389 | for (i = 0; i < props_count; i++) { |
| 4390 | if (put_user(obj->properties->ids[i], |
| 4391 | props_ptr + copied)) { |
| 4392 | ret = -EFAULT; |
| 4393 | goto out; |
| 4394 | } |
| 4395 | if (put_user(obj->properties->values[i], |
| 4396 | prop_values_ptr + copied)) { |
| 4397 | ret = -EFAULT; |
| 4398 | goto out; |
| 4399 | } |
| 4400 | copied++; |
| 4401 | } |
| 4402 | } |
| 4403 | arg->count_props = props_count; |
| 4404 | out: |
Daniel Vetter | 8484990 | 2012-12-02 00:28:11 +0100 | [diff] [blame] | 4405 | drm_modeset_unlock_all(dev); |
Paulo Zanoni | c543188 | 2012-05-15 18:09:02 -0300 | [diff] [blame] | 4406 | return ret; |
| 4407 | } |
| 4408 | |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 4409 | /** |
| 4410 | * drm_mode_obj_set_property_ioctl - set the current value of an object's property |
| 4411 | * @dev: DRM device |
| 4412 | * @data: ioctl data |
| 4413 | * @file_priv: DRM file info |
| 4414 | * |
| 4415 | * This function sets the current value for an object's property. It also calls |
| 4416 | * into a driver's ->set_property callback to update the hardware state. |
| 4417 | * Compared to the connector specific ioctl this one is extended to also work on |
| 4418 | * crtc and plane objects. |
| 4419 | * |
| 4420 | * Called by the user via ioctl. |
| 4421 | * |
| 4422 | * Returns: |
Daniel Vetter | 1a49863 | 2014-11-19 18:38:09 +0100 | [diff] [blame] | 4423 | * Zero on success, negative errno on failure. |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 4424 | */ |
Paulo Zanoni | c543188 | 2012-05-15 18:09:02 -0300 | [diff] [blame] | 4425 | int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data, |
| 4426 | struct drm_file *file_priv) |
| 4427 | { |
| 4428 | struct drm_mode_obj_set_property *arg = data; |
| 4429 | struct drm_mode_object *arg_obj; |
| 4430 | struct drm_mode_object *prop_obj; |
| 4431 | struct drm_property *property; |
| 4432 | int ret = -EINVAL; |
| 4433 | int i; |
| 4434 | |
| 4435 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
| 4436 | return -EINVAL; |
| 4437 | |
Daniel Vetter | 8484990 | 2012-12-02 00:28:11 +0100 | [diff] [blame] | 4438 | drm_modeset_lock_all(dev); |
Paulo Zanoni | c543188 | 2012-05-15 18:09:02 -0300 | [diff] [blame] | 4439 | |
| 4440 | arg_obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); |
Ville Syrjälä | f27657f | 2013-10-17 13:35:00 +0300 | [diff] [blame] | 4441 | if (!arg_obj) { |
| 4442 | ret = -ENOENT; |
Paulo Zanoni | c543188 | 2012-05-15 18:09:02 -0300 | [diff] [blame] | 4443 | goto out; |
Ville Syrjälä | f27657f | 2013-10-17 13:35:00 +0300 | [diff] [blame] | 4444 | } |
Paulo Zanoni | c543188 | 2012-05-15 18:09:02 -0300 | [diff] [blame] | 4445 | if (!arg_obj->properties) |
| 4446 | goto out; |
| 4447 | |
Paulo Zanoni | 7f88a9b | 2012-05-15 18:09:04 -0300 | [diff] [blame] | 4448 | for (i = 0; i < arg_obj->properties->count; i++) |
Paulo Zanoni | c543188 | 2012-05-15 18:09:02 -0300 | [diff] [blame] | 4449 | if (arg_obj->properties->ids[i] == arg->prop_id) |
| 4450 | break; |
| 4451 | |
Paulo Zanoni | 7f88a9b | 2012-05-15 18:09:04 -0300 | [diff] [blame] | 4452 | if (i == arg_obj->properties->count) |
Paulo Zanoni | c543188 | 2012-05-15 18:09:02 -0300 | [diff] [blame] | 4453 | goto out; |
| 4454 | |
| 4455 | prop_obj = drm_mode_object_find(dev, arg->prop_id, |
| 4456 | DRM_MODE_OBJECT_PROPERTY); |
Ville Syrjälä | f27657f | 2013-10-17 13:35:00 +0300 | [diff] [blame] | 4457 | if (!prop_obj) { |
| 4458 | ret = -ENOENT; |
Paulo Zanoni | c543188 | 2012-05-15 18:09:02 -0300 | [diff] [blame] | 4459 | goto out; |
Ville Syrjälä | f27657f | 2013-10-17 13:35:00 +0300 | [diff] [blame] | 4460 | } |
Paulo Zanoni | c543188 | 2012-05-15 18:09:02 -0300 | [diff] [blame] | 4461 | property = obj_to_property(prop_obj); |
| 4462 | |
| 4463 | if (!drm_property_change_is_valid(property, arg->value)) |
| 4464 | goto out; |
| 4465 | |
| 4466 | switch (arg_obj->type) { |
| 4467 | case DRM_MODE_OBJECT_CONNECTOR: |
| 4468 | ret = drm_mode_connector_set_obj_prop(arg_obj, property, |
| 4469 | arg->value); |
| 4470 | break; |
Paulo Zanoni | bffd9de0 | 2012-05-15 18:09:05 -0300 | [diff] [blame] | 4471 | case DRM_MODE_OBJECT_CRTC: |
| 4472 | ret = drm_mode_crtc_set_obj_prop(arg_obj, property, arg->value); |
| 4473 | break; |
Rob Clark | 4d93914 | 2012-05-17 02:23:27 -0600 | [diff] [blame] | 4474 | case DRM_MODE_OBJECT_PLANE: |
Thomas Wood | 3a5f87c | 2014-08-20 14:45:00 +0100 | [diff] [blame] | 4475 | ret = drm_mode_plane_set_obj_prop(obj_to_plane(arg_obj), |
| 4476 | property, arg->value); |
Rob Clark | 4d93914 | 2012-05-17 02:23:27 -0600 | [diff] [blame] | 4477 | break; |
Paulo Zanoni | c543188 | 2012-05-15 18:09:02 -0300 | [diff] [blame] | 4478 | } |
| 4479 | |
| 4480 | out: |
Daniel Vetter | 8484990 | 2012-12-02 00:28:11 +0100 | [diff] [blame] | 4481 | drm_modeset_unlock_all(dev); |
Paulo Zanoni | c543188 | 2012-05-15 18:09:02 -0300 | [diff] [blame] | 4482 | return ret; |
| 4483 | } |
| 4484 | |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 4485 | /** |
| 4486 | * drm_mode_connector_attach_encoder - attach a connector to an encoder |
| 4487 | * @connector: connector to attach |
| 4488 | * @encoder: encoder to attach @connector to |
| 4489 | * |
| 4490 | * This function links up a connector to an encoder. Note that the routing |
| 4491 | * restrictions between encoders and crtcs are exposed to userspace through the |
| 4492 | * possible_clones and possible_crtcs bitmasks. |
| 4493 | * |
| 4494 | * Returns: |
Daniel Vetter | 1a49863 | 2014-11-19 18:38:09 +0100 | [diff] [blame] | 4495 | * Zero on success, negative errno on failure. |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 4496 | */ |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 4497 | int drm_mode_connector_attach_encoder(struct drm_connector *connector, |
| 4498 | struct drm_encoder *encoder) |
| 4499 | { |
| 4500 | int i; |
| 4501 | |
| 4502 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { |
| 4503 | if (connector->encoder_ids[i] == 0) { |
| 4504 | connector->encoder_ids[i] = encoder->base.id; |
| 4505 | return 0; |
| 4506 | } |
| 4507 | } |
| 4508 | return -ENOMEM; |
| 4509 | } |
| 4510 | EXPORT_SYMBOL(drm_mode_connector_attach_encoder); |
| 4511 | |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 4512 | /** |
| 4513 | * drm_mode_crtc_set_gamma_size - set the gamma table size |
| 4514 | * @crtc: CRTC to set the gamma table size for |
| 4515 | * @gamma_size: size of the gamma table |
| 4516 | * |
| 4517 | * Drivers which support gamma tables should set this to the supported gamma |
| 4518 | * table size when initializing the CRTC. Currently the drm core only supports a |
| 4519 | * fixed gamma table size. |
| 4520 | * |
| 4521 | * Returns: |
Daniel Vetter | 1a49863 | 2014-11-19 18:38:09 +0100 | [diff] [blame] | 4522 | * Zero on success, negative errno on failure. |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 4523 | */ |
Sascha Hauer | 4cae5b8 | 2012-02-01 11:38:23 +0100 | [diff] [blame] | 4524 | int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 4525 | int gamma_size) |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 4526 | { |
| 4527 | crtc->gamma_size = gamma_size; |
| 4528 | |
| 4529 | crtc->gamma_store = kzalloc(gamma_size * sizeof(uint16_t) * 3, GFP_KERNEL); |
| 4530 | if (!crtc->gamma_store) { |
| 4531 | crtc->gamma_size = 0; |
Sascha Hauer | 4cae5b8 | 2012-02-01 11:38:23 +0100 | [diff] [blame] | 4532 | return -ENOMEM; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 4533 | } |
| 4534 | |
Sascha Hauer | 4cae5b8 | 2012-02-01 11:38:23 +0100 | [diff] [blame] | 4535 | return 0; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 4536 | } |
| 4537 | EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size); |
| 4538 | |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 4539 | /** |
| 4540 | * drm_mode_gamma_set_ioctl - set the gamma table |
| 4541 | * @dev: DRM device |
| 4542 | * @data: ioctl data |
| 4543 | * @file_priv: DRM file info |
| 4544 | * |
| 4545 | * Set the gamma table of a CRTC to the one passed in by the user. Userspace can |
| 4546 | * inquire the required gamma table size through drm_mode_gamma_get_ioctl. |
| 4547 | * |
| 4548 | * Called by the user via ioctl. |
| 4549 | * |
| 4550 | * Returns: |
Daniel Vetter | 1a49863 | 2014-11-19 18:38:09 +0100 | [diff] [blame] | 4551 | * Zero on success, negative errno on failure. |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 4552 | */ |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 4553 | int drm_mode_gamma_set_ioctl(struct drm_device *dev, |
| 4554 | void *data, struct drm_file *file_priv) |
| 4555 | { |
| 4556 | struct drm_mode_crtc_lut *crtc_lut = data; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 4557 | struct drm_crtc *crtc; |
| 4558 | void *r_base, *g_base, *b_base; |
| 4559 | int size; |
| 4560 | int ret = 0; |
| 4561 | |
Dave Airlie | fb3b06c | 2011-02-08 13:55:21 +1000 | [diff] [blame] | 4562 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
| 4563 | return -EINVAL; |
| 4564 | |
Daniel Vetter | 8484990 | 2012-12-02 00:28:11 +0100 | [diff] [blame] | 4565 | drm_modeset_lock_all(dev); |
Rob Clark | a2b34e2 | 2013-10-05 16:36:52 -0400 | [diff] [blame] | 4566 | crtc = drm_crtc_find(dev, crtc_lut->crtc_id); |
| 4567 | if (!crtc) { |
Ville Syrjälä | f27657f | 2013-10-17 13:35:00 +0300 | [diff] [blame] | 4568 | ret = -ENOENT; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 4569 | goto out; |
| 4570 | } |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 4571 | |
Laurent Pinchart | ebe0f24 | 2012-05-17 13:27:24 +0200 | [diff] [blame] | 4572 | if (crtc->funcs->gamma_set == NULL) { |
| 4573 | ret = -ENOSYS; |
| 4574 | goto out; |
| 4575 | } |
| 4576 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 4577 | /* memcpy into gamma store */ |
| 4578 | if (crtc_lut->gamma_size != crtc->gamma_size) { |
| 4579 | ret = -EINVAL; |
| 4580 | goto out; |
| 4581 | } |
| 4582 | |
| 4583 | size = crtc_lut->gamma_size * (sizeof(uint16_t)); |
| 4584 | r_base = crtc->gamma_store; |
| 4585 | if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) { |
| 4586 | ret = -EFAULT; |
| 4587 | goto out; |
| 4588 | } |
| 4589 | |
| 4590 | g_base = r_base + size; |
| 4591 | if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) { |
| 4592 | ret = -EFAULT; |
| 4593 | goto out; |
| 4594 | } |
| 4595 | |
| 4596 | b_base = g_base + size; |
| 4597 | if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) { |
| 4598 | ret = -EFAULT; |
| 4599 | goto out; |
| 4600 | } |
| 4601 | |
James Simmons | 7203425 | 2010-08-03 01:33:19 +0100 | [diff] [blame] | 4602 | crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 4603 | |
| 4604 | out: |
Daniel Vetter | 8484990 | 2012-12-02 00:28:11 +0100 | [diff] [blame] | 4605 | drm_modeset_unlock_all(dev); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 4606 | return ret; |
| 4607 | |
| 4608 | } |
| 4609 | |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 4610 | /** |
| 4611 | * drm_mode_gamma_get_ioctl - get the gamma table |
| 4612 | * @dev: DRM device |
| 4613 | * @data: ioctl data |
| 4614 | * @file_priv: DRM file info |
| 4615 | * |
| 4616 | * Copy the current gamma table into the storage provided. This also provides |
| 4617 | * the gamma table size the driver expects, which can be used to size the |
| 4618 | * allocated storage. |
| 4619 | * |
| 4620 | * Called by the user via ioctl. |
| 4621 | * |
| 4622 | * Returns: |
Daniel Vetter | 1a49863 | 2014-11-19 18:38:09 +0100 | [diff] [blame] | 4623 | * Zero on success, negative errno on failure. |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 4624 | */ |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 4625 | int drm_mode_gamma_get_ioctl(struct drm_device *dev, |
| 4626 | void *data, struct drm_file *file_priv) |
| 4627 | { |
| 4628 | struct drm_mode_crtc_lut *crtc_lut = data; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 4629 | struct drm_crtc *crtc; |
| 4630 | void *r_base, *g_base, *b_base; |
| 4631 | int size; |
| 4632 | int ret = 0; |
| 4633 | |
Dave Airlie | fb3b06c | 2011-02-08 13:55:21 +1000 | [diff] [blame] | 4634 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
| 4635 | return -EINVAL; |
| 4636 | |
Daniel Vetter | 8484990 | 2012-12-02 00:28:11 +0100 | [diff] [blame] | 4637 | drm_modeset_lock_all(dev); |
Rob Clark | a2b34e2 | 2013-10-05 16:36:52 -0400 | [diff] [blame] | 4638 | crtc = drm_crtc_find(dev, crtc_lut->crtc_id); |
| 4639 | if (!crtc) { |
Ville Syrjälä | f27657f | 2013-10-17 13:35:00 +0300 | [diff] [blame] | 4640 | ret = -ENOENT; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 4641 | goto out; |
| 4642 | } |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 4643 | |
| 4644 | /* memcpy into gamma store */ |
| 4645 | if (crtc_lut->gamma_size != crtc->gamma_size) { |
| 4646 | ret = -EINVAL; |
| 4647 | goto out; |
| 4648 | } |
| 4649 | |
| 4650 | size = crtc_lut->gamma_size * (sizeof(uint16_t)); |
| 4651 | r_base = crtc->gamma_store; |
| 4652 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) { |
| 4653 | ret = -EFAULT; |
| 4654 | goto out; |
| 4655 | } |
| 4656 | |
| 4657 | g_base = r_base + size; |
| 4658 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) { |
| 4659 | ret = -EFAULT; |
| 4660 | goto out; |
| 4661 | } |
| 4662 | |
| 4663 | b_base = g_base + size; |
| 4664 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) { |
| 4665 | ret = -EFAULT; |
| 4666 | goto out; |
| 4667 | } |
| 4668 | out: |
Daniel Vetter | 8484990 | 2012-12-02 00:28:11 +0100 | [diff] [blame] | 4669 | drm_modeset_unlock_all(dev); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 4670 | return ret; |
| 4671 | } |
Kristian Høgsberg | d91d8a3 | 2009-11-17 12:43:55 -0500 | [diff] [blame] | 4672 | |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 4673 | /** |
| 4674 | * drm_mode_page_flip_ioctl - schedule an asynchronous fb update |
| 4675 | * @dev: DRM device |
| 4676 | * @data: ioctl data |
| 4677 | * @file_priv: DRM file info |
| 4678 | * |
| 4679 | * This schedules an asynchronous update on a given CRTC, called page flip. |
| 4680 | * Optionally a drm event is generated to signal the completion of the event. |
| 4681 | * Generic drivers cannot assume that a pageflip with changed framebuffer |
| 4682 | * properties (including driver specific metadata like tiling layout) will work, |
| 4683 | * but some drivers support e.g. pixel format changes through the pageflip |
| 4684 | * ioctl. |
| 4685 | * |
| 4686 | * Called by the user via ioctl. |
| 4687 | * |
| 4688 | * Returns: |
Daniel Vetter | 1a49863 | 2014-11-19 18:38:09 +0100 | [diff] [blame] | 4689 | * Zero on success, negative errno on failure. |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 4690 | */ |
Kristian Høgsberg | d91d8a3 | 2009-11-17 12:43:55 -0500 | [diff] [blame] | 4691 | int drm_mode_page_flip_ioctl(struct drm_device *dev, |
| 4692 | void *data, struct drm_file *file_priv) |
| 4693 | { |
| 4694 | struct drm_mode_crtc_page_flip *page_flip = data; |
Kristian Høgsberg | d91d8a3 | 2009-11-17 12:43:55 -0500 | [diff] [blame] | 4695 | struct drm_crtc *crtc; |
Daniel Vetter | 3d30a59 | 2014-07-27 13:42:42 +0200 | [diff] [blame] | 4696 | struct drm_framebuffer *fb = NULL; |
Kristian Høgsberg | d91d8a3 | 2009-11-17 12:43:55 -0500 | [diff] [blame] | 4697 | struct drm_pending_vblank_event *e = NULL; |
| 4698 | unsigned long flags; |
| 4699 | int ret = -EINVAL; |
| 4700 | |
| 4701 | if (page_flip->flags & ~DRM_MODE_PAGE_FLIP_FLAGS || |
| 4702 | page_flip->reserved != 0) |
| 4703 | return -EINVAL; |
| 4704 | |
Keith Packard | 62f2104 | 2013-07-22 18:50:00 -0700 | [diff] [blame] | 4705 | if ((page_flip->flags & DRM_MODE_PAGE_FLIP_ASYNC) && !dev->mode_config.async_page_flip) |
| 4706 | return -EINVAL; |
| 4707 | |
Rob Clark | a2b34e2 | 2013-10-05 16:36:52 -0400 | [diff] [blame] | 4708 | crtc = drm_crtc_find(dev, page_flip->crtc_id); |
| 4709 | if (!crtc) |
Ville Syrjälä | f27657f | 2013-10-17 13:35:00 +0300 | [diff] [blame] | 4710 | return -ENOENT; |
Kristian Høgsberg | d91d8a3 | 2009-11-17 12:43:55 -0500 | [diff] [blame] | 4711 | |
Daniel Vetter | 4d02e2d | 2014-11-11 10:12:00 +0100 | [diff] [blame] | 4712 | drm_modeset_lock_crtc(crtc, crtc->primary); |
Matt Roper | f4510a2 | 2014-04-01 15:22:40 -0700 | [diff] [blame] | 4713 | if (crtc->primary->fb == NULL) { |
Chris Wilson | 90c1efd | 2010-07-17 20:23:26 +0100 | [diff] [blame] | 4714 | /* The framebuffer is currently unbound, presumably |
| 4715 | * due to a hotplug event, that userspace has not |
| 4716 | * yet discovered. |
| 4717 | */ |
| 4718 | ret = -EBUSY; |
| 4719 | goto out; |
| 4720 | } |
| 4721 | |
Kristian Høgsberg | d91d8a3 | 2009-11-17 12:43:55 -0500 | [diff] [blame] | 4722 | if (crtc->funcs->page_flip == NULL) |
| 4723 | goto out; |
| 4724 | |
Daniel Vetter | 786b99e | 2012-12-02 21:53:40 +0100 | [diff] [blame] | 4725 | fb = drm_framebuffer_lookup(dev, page_flip->fb_id); |
Ville Syrjälä | 37c4e70 | 2013-10-17 13:35:01 +0300 | [diff] [blame] | 4726 | if (!fb) { |
| 4727 | ret = -ENOENT; |
Kristian Høgsberg | d91d8a3 | 2009-11-17 12:43:55 -0500 | [diff] [blame] | 4728 | goto out; |
Ville Syrjälä | 37c4e70 | 2013-10-17 13:35:01 +0300 | [diff] [blame] | 4729 | } |
Kristian Høgsberg | d91d8a3 | 2009-11-17 12:43:55 -0500 | [diff] [blame] | 4730 | |
Damien Lespiau | c11e928 | 2013-09-25 16:45:30 +0100 | [diff] [blame] | 4731 | ret = drm_crtc_check_viewport(crtc, crtc->x, crtc->y, &crtc->mode, fb); |
| 4732 | if (ret) |
Ville Syrjälä | 5f61bb4 | 2012-03-13 12:35:45 +0200 | [diff] [blame] | 4733 | goto out; |
Ville Syrjälä | 5f61bb4 | 2012-03-13 12:35:45 +0200 | [diff] [blame] | 4734 | |
Matt Roper | f4510a2 | 2014-04-01 15:22:40 -0700 | [diff] [blame] | 4735 | if (crtc->primary->fb->pixel_format != fb->pixel_format) { |
Laurent Pinchart | 909d9cd | 2013-04-22 01:38:46 +0200 | [diff] [blame] | 4736 | DRM_DEBUG_KMS("Page flip is not allowed to change frame buffer format.\n"); |
| 4737 | ret = -EINVAL; |
| 4738 | goto out; |
| 4739 | } |
| 4740 | |
Kristian Høgsberg | d91d8a3 | 2009-11-17 12:43:55 -0500 | [diff] [blame] | 4741 | if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { |
| 4742 | ret = -ENOMEM; |
| 4743 | spin_lock_irqsave(&dev->event_lock, flags); |
| 4744 | if (file_priv->event_space < sizeof e->event) { |
| 4745 | spin_unlock_irqrestore(&dev->event_lock, flags); |
| 4746 | goto out; |
| 4747 | } |
| 4748 | file_priv->event_space -= sizeof e->event; |
| 4749 | spin_unlock_irqrestore(&dev->event_lock, flags); |
| 4750 | |
| 4751 | e = kzalloc(sizeof *e, GFP_KERNEL); |
| 4752 | if (e == NULL) { |
| 4753 | spin_lock_irqsave(&dev->event_lock, flags); |
| 4754 | file_priv->event_space += sizeof e->event; |
| 4755 | spin_unlock_irqrestore(&dev->event_lock, flags); |
| 4756 | goto out; |
| 4757 | } |
| 4758 | |
Jesse Barnes | 7bd4d7b | 2009-11-19 10:50:22 -0800 | [diff] [blame] | 4759 | e->event.base.type = DRM_EVENT_FLIP_COMPLETE; |
Kristian Høgsberg | d91d8a3 | 2009-11-17 12:43:55 -0500 | [diff] [blame] | 4760 | e->event.base.length = sizeof e->event; |
| 4761 | e->event.user_data = page_flip->user_data; |
| 4762 | e->base.event = &e->event.base; |
| 4763 | e->base.file_priv = file_priv; |
| 4764 | e->base.destroy = |
| 4765 | (void (*) (struct drm_pending_event *)) kfree; |
| 4766 | } |
| 4767 | |
Daniel Vetter | 3d30a59 | 2014-07-27 13:42:42 +0200 | [diff] [blame] | 4768 | crtc->primary->old_fb = crtc->primary->fb; |
Keith Packard | ed8d197 | 2013-07-22 18:49:58 -0700 | [diff] [blame] | 4769 | ret = crtc->funcs->page_flip(crtc, fb, e, page_flip->flags); |
Kristian Høgsberg | d91d8a3 | 2009-11-17 12:43:55 -0500 | [diff] [blame] | 4770 | if (ret) { |
Joonyoung Shim | aef6a7e | 2012-04-18 13:47:02 +0900 | [diff] [blame] | 4771 | if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { |
| 4772 | spin_lock_irqsave(&dev->event_lock, flags); |
| 4773 | file_priv->event_space += sizeof e->event; |
| 4774 | spin_unlock_irqrestore(&dev->event_lock, flags); |
| 4775 | kfree(e); |
| 4776 | } |
Daniel Vetter | b0d1232 | 2012-12-11 01:07:12 +0100 | [diff] [blame] | 4777 | /* Keep the old fb, don't unref it. */ |
Daniel Vetter | 3d30a59 | 2014-07-27 13:42:42 +0200 | [diff] [blame] | 4778 | crtc->primary->old_fb = NULL; |
Daniel Vetter | b0d1232 | 2012-12-11 01:07:12 +0100 | [diff] [blame] | 4779 | } else { |
Thierry Reding | 8cf1e98 | 2013-02-13 16:08:33 +0100 | [diff] [blame] | 4780 | /* |
| 4781 | * Warn if the driver hasn't properly updated the crtc->fb |
| 4782 | * field to reflect that the new framebuffer is now used. |
| 4783 | * Failing to do so will screw with the reference counting |
| 4784 | * on framebuffers. |
| 4785 | */ |
Matt Roper | f4510a2 | 2014-04-01 15:22:40 -0700 | [diff] [blame] | 4786 | WARN_ON(crtc->primary->fb != fb); |
Daniel Vetter | b0d1232 | 2012-12-11 01:07:12 +0100 | [diff] [blame] | 4787 | /* Unref only the old framebuffer. */ |
| 4788 | fb = NULL; |
Kristian Høgsberg | d91d8a3 | 2009-11-17 12:43:55 -0500 | [diff] [blame] | 4789 | } |
| 4790 | |
| 4791 | out: |
Daniel Vetter | b0d1232 | 2012-12-11 01:07:12 +0100 | [diff] [blame] | 4792 | if (fb) |
| 4793 | drm_framebuffer_unreference(fb); |
Daniel Vetter | 3d30a59 | 2014-07-27 13:42:42 +0200 | [diff] [blame] | 4794 | if (crtc->primary->old_fb) |
| 4795 | drm_framebuffer_unreference(crtc->primary->old_fb); |
| 4796 | crtc->primary->old_fb = NULL; |
Daniel Vetter | d059f65 | 2014-07-25 18:07:40 +0200 | [diff] [blame] | 4797 | drm_modeset_unlock_crtc(crtc); |
Daniel Vetter | b4d5e7d | 2012-12-11 16:59:31 +0100 | [diff] [blame] | 4798 | |
Kristian Høgsberg | d91d8a3 | 2009-11-17 12:43:55 -0500 | [diff] [blame] | 4799 | return ret; |
| 4800 | } |
Chris Wilson | eb03355 | 2011-01-24 15:11:08 +0000 | [diff] [blame] | 4801 | |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 4802 | /** |
| 4803 | * drm_mode_config_reset - call ->reset callbacks |
| 4804 | * @dev: drm device |
| 4805 | * |
| 4806 | * This functions calls all the crtc's, encoder's and connector's ->reset |
| 4807 | * callback. Drivers can use this in e.g. their driver load or resume code to |
| 4808 | * reset hardware and software state. |
| 4809 | */ |
Chris Wilson | eb03355 | 2011-01-24 15:11:08 +0000 | [diff] [blame] | 4810 | void drm_mode_config_reset(struct drm_device *dev) |
| 4811 | { |
| 4812 | struct drm_crtc *crtc; |
Daniel Vetter | 2a0d7cf | 2014-07-29 15:32:37 +0200 | [diff] [blame] | 4813 | struct drm_plane *plane; |
Chris Wilson | eb03355 | 2011-01-24 15:11:08 +0000 | [diff] [blame] | 4814 | struct drm_encoder *encoder; |
| 4815 | struct drm_connector *connector; |
| 4816 | |
Daniel Vetter | 2a0d7cf | 2014-07-29 15:32:37 +0200 | [diff] [blame] | 4817 | list_for_each_entry(plane, &dev->mode_config.plane_list, head) |
| 4818 | if (plane->funcs->reset) |
| 4819 | plane->funcs->reset(plane); |
| 4820 | |
Chris Wilson | eb03355 | 2011-01-24 15:11:08 +0000 | [diff] [blame] | 4821 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) |
| 4822 | if (crtc->funcs->reset) |
| 4823 | crtc->funcs->reset(crtc); |
| 4824 | |
| 4825 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) |
| 4826 | if (encoder->funcs->reset) |
| 4827 | encoder->funcs->reset(encoder); |
| 4828 | |
Daniel Vetter | 5e2cb2f | 2012-10-23 18:23:35 +0000 | [diff] [blame] | 4829 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
| 4830 | connector->status = connector_status_unknown; |
| 4831 | |
Chris Wilson | eb03355 | 2011-01-24 15:11:08 +0000 | [diff] [blame] | 4832 | if (connector->funcs->reset) |
| 4833 | connector->funcs->reset(connector); |
Daniel Vetter | 5e2cb2f | 2012-10-23 18:23:35 +0000 | [diff] [blame] | 4834 | } |
Chris Wilson | eb03355 | 2011-01-24 15:11:08 +0000 | [diff] [blame] | 4835 | } |
| 4836 | EXPORT_SYMBOL(drm_mode_config_reset); |
Dave Airlie | ff72145b | 2011-02-07 12:16:14 +1000 | [diff] [blame] | 4837 | |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 4838 | /** |
| 4839 | * drm_mode_create_dumb_ioctl - create a dumb backing storage buffer |
| 4840 | * @dev: DRM device |
| 4841 | * @data: ioctl data |
| 4842 | * @file_priv: DRM file info |
| 4843 | * |
| 4844 | * This creates a new dumb buffer in the driver's backing storage manager (GEM, |
| 4845 | * TTM or something else entirely) and returns the resulting buffer handle. This |
| 4846 | * handle can then be wrapped up into a framebuffer modeset object. |
| 4847 | * |
| 4848 | * Note that userspace is not allowed to use such objects for render |
| 4849 | * acceleration - drivers must create their own private ioctls for such a use |
| 4850 | * case. |
| 4851 | * |
| 4852 | * Called by the user via ioctl. |
| 4853 | * |
| 4854 | * Returns: |
Daniel Vetter | 1a49863 | 2014-11-19 18:38:09 +0100 | [diff] [blame] | 4855 | * Zero on success, negative errno on failure. |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 4856 | */ |
Dave Airlie | ff72145b | 2011-02-07 12:16:14 +1000 | [diff] [blame] | 4857 | int drm_mode_create_dumb_ioctl(struct drm_device *dev, |
| 4858 | void *data, struct drm_file *file_priv) |
| 4859 | { |
| 4860 | struct drm_mode_create_dumb *args = data; |
David Herrmann | b28cd41 | 2014-01-20 20:09:55 +0100 | [diff] [blame] | 4861 | u32 cpp, stride, size; |
Dave Airlie | ff72145b | 2011-02-07 12:16:14 +1000 | [diff] [blame] | 4862 | |
| 4863 | if (!dev->driver->dumb_create) |
| 4864 | return -ENOSYS; |
David Herrmann | b28cd41 | 2014-01-20 20:09:55 +0100 | [diff] [blame] | 4865 | if (!args->width || !args->height || !args->bpp) |
| 4866 | return -EINVAL; |
| 4867 | |
| 4868 | /* overflow checks for 32bit size calculations */ |
David Herrmann | 00e7208 | 2014-08-24 19:23:26 +0200 | [diff] [blame] | 4869 | /* NOTE: DIV_ROUND_UP() can overflow */ |
David Herrmann | b28cd41 | 2014-01-20 20:09:55 +0100 | [diff] [blame] | 4870 | cpp = DIV_ROUND_UP(args->bpp, 8); |
David Herrmann | 00e7208 | 2014-08-24 19:23:26 +0200 | [diff] [blame] | 4871 | if (!cpp || cpp > 0xffffffffU / args->width) |
David Herrmann | b28cd41 | 2014-01-20 20:09:55 +0100 | [diff] [blame] | 4872 | return -EINVAL; |
| 4873 | stride = cpp * args->width; |
| 4874 | if (args->height > 0xffffffffU / stride) |
| 4875 | return -EINVAL; |
| 4876 | |
| 4877 | /* test for wrap-around */ |
| 4878 | size = args->height * stride; |
| 4879 | if (PAGE_ALIGN(size) == 0) |
| 4880 | return -EINVAL; |
| 4881 | |
Thierry Reding | f608595 | 2014-11-03 11:14:14 +0100 | [diff] [blame] | 4882 | /* |
| 4883 | * handle, pitch and size are output parameters. Zero them out to |
| 4884 | * prevent drivers from accidentally using uninitialized data. Since |
| 4885 | * not all existing userspace is clearing these fields properly we |
| 4886 | * cannot reject IOCTL with garbage in them. |
| 4887 | */ |
| 4888 | args->handle = 0; |
| 4889 | args->pitch = 0; |
| 4890 | args->size = 0; |
| 4891 | |
Dave Airlie | ff72145b | 2011-02-07 12:16:14 +1000 | [diff] [blame] | 4892 | return dev->driver->dumb_create(file_priv, dev, args); |
| 4893 | } |
| 4894 | |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 4895 | /** |
| 4896 | * drm_mode_mmap_dumb_ioctl - create an mmap offset for a dumb backing storage buffer |
| 4897 | * @dev: DRM device |
| 4898 | * @data: ioctl data |
| 4899 | * @file_priv: DRM file info |
| 4900 | * |
| 4901 | * Allocate an offset in the drm device node's address space to be able to |
| 4902 | * memory map a dumb buffer. |
| 4903 | * |
| 4904 | * Called by the user via ioctl. |
| 4905 | * |
| 4906 | * Returns: |
Daniel Vetter | 1a49863 | 2014-11-19 18:38:09 +0100 | [diff] [blame] | 4907 | * Zero on success, negative errno on failure. |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 4908 | */ |
Dave Airlie | ff72145b | 2011-02-07 12:16:14 +1000 | [diff] [blame] | 4909 | int drm_mode_mmap_dumb_ioctl(struct drm_device *dev, |
| 4910 | void *data, struct drm_file *file_priv) |
| 4911 | { |
| 4912 | struct drm_mode_map_dumb *args = data; |
| 4913 | |
| 4914 | /* call driver ioctl to get mmap offset */ |
| 4915 | if (!dev->driver->dumb_map_offset) |
| 4916 | return -ENOSYS; |
| 4917 | |
| 4918 | return dev->driver->dumb_map_offset(file_priv, dev, args->handle, &args->offset); |
| 4919 | } |
| 4920 | |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 4921 | /** |
| 4922 | * drm_mode_destroy_dumb_ioctl - destroy a dumb backing strage buffer |
| 4923 | * @dev: DRM device |
| 4924 | * @data: ioctl data |
| 4925 | * @file_priv: DRM file info |
| 4926 | * |
| 4927 | * This destroys the userspace handle for the given dumb backing storage buffer. |
| 4928 | * Since buffer objects must be reference counted in the kernel a buffer object |
| 4929 | * won't be immediately freed if a framebuffer modeset object still uses it. |
| 4930 | * |
| 4931 | * Called by the user via ioctl. |
| 4932 | * |
| 4933 | * Returns: |
Daniel Vetter | 1a49863 | 2014-11-19 18:38:09 +0100 | [diff] [blame] | 4934 | * Zero on success, negative errno on failure. |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 4935 | */ |
Dave Airlie | ff72145b | 2011-02-07 12:16:14 +1000 | [diff] [blame] | 4936 | int drm_mode_destroy_dumb_ioctl(struct drm_device *dev, |
| 4937 | void *data, struct drm_file *file_priv) |
| 4938 | { |
| 4939 | struct drm_mode_destroy_dumb *args = data; |
| 4940 | |
| 4941 | if (!dev->driver->dumb_destroy) |
| 4942 | return -ENOSYS; |
| 4943 | |
| 4944 | return dev->driver->dumb_destroy(file_priv, dev, args->handle); |
| 4945 | } |
Dave Airlie | 248dbc2 | 2011-11-29 20:02:54 +0000 | [diff] [blame] | 4946 | |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 4947 | /** |
| 4948 | * drm_fb_get_bpp_depth - get the bpp/depth values for format |
| 4949 | * @format: pixel format (DRM_FORMAT_*) |
| 4950 | * @depth: storage for the depth value |
| 4951 | * @bpp: storage for the bpp value |
| 4952 | * |
| 4953 | * This only supports RGB formats here for compat with code that doesn't use |
| 4954 | * pixel formats directly yet. |
Dave Airlie | 248dbc2 | 2011-11-29 20:02:54 +0000 | [diff] [blame] | 4955 | */ |
| 4956 | void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth, |
| 4957 | int *bpp) |
| 4958 | { |
| 4959 | switch (format) { |
Ville Syrjälä | c51a6bc | 2013-01-31 19:43:37 +0200 | [diff] [blame] | 4960 | case DRM_FORMAT_C8: |
Ville Syrjälä | 04b3924 | 2011-11-17 18:05:13 +0200 | [diff] [blame] | 4961 | case DRM_FORMAT_RGB332: |
| 4962 | case DRM_FORMAT_BGR233: |
Dave Airlie | 248dbc2 | 2011-11-29 20:02:54 +0000 | [diff] [blame] | 4963 | *depth = 8; |
| 4964 | *bpp = 8; |
| 4965 | break; |
Ville Syrjälä | 04b3924 | 2011-11-17 18:05:13 +0200 | [diff] [blame] | 4966 | case DRM_FORMAT_XRGB1555: |
| 4967 | case DRM_FORMAT_XBGR1555: |
| 4968 | case DRM_FORMAT_RGBX5551: |
| 4969 | case DRM_FORMAT_BGRX5551: |
| 4970 | case DRM_FORMAT_ARGB1555: |
| 4971 | case DRM_FORMAT_ABGR1555: |
| 4972 | case DRM_FORMAT_RGBA5551: |
| 4973 | case DRM_FORMAT_BGRA5551: |
Dave Airlie | 248dbc2 | 2011-11-29 20:02:54 +0000 | [diff] [blame] | 4974 | *depth = 15; |
| 4975 | *bpp = 16; |
| 4976 | break; |
Ville Syrjälä | 04b3924 | 2011-11-17 18:05:13 +0200 | [diff] [blame] | 4977 | case DRM_FORMAT_RGB565: |
| 4978 | case DRM_FORMAT_BGR565: |
Dave Airlie | 248dbc2 | 2011-11-29 20:02:54 +0000 | [diff] [blame] | 4979 | *depth = 16; |
| 4980 | *bpp = 16; |
| 4981 | break; |
Ville Syrjälä | 04b3924 | 2011-11-17 18:05:13 +0200 | [diff] [blame] | 4982 | case DRM_FORMAT_RGB888: |
| 4983 | case DRM_FORMAT_BGR888: |
| 4984 | *depth = 24; |
| 4985 | *bpp = 24; |
| 4986 | break; |
| 4987 | case DRM_FORMAT_XRGB8888: |
| 4988 | case DRM_FORMAT_XBGR8888: |
| 4989 | case DRM_FORMAT_RGBX8888: |
| 4990 | case DRM_FORMAT_BGRX8888: |
Dave Airlie | 248dbc2 | 2011-11-29 20:02:54 +0000 | [diff] [blame] | 4991 | *depth = 24; |
| 4992 | *bpp = 32; |
| 4993 | break; |
Ville Syrjälä | 04b3924 | 2011-11-17 18:05:13 +0200 | [diff] [blame] | 4994 | case DRM_FORMAT_XRGB2101010: |
| 4995 | case DRM_FORMAT_XBGR2101010: |
| 4996 | case DRM_FORMAT_RGBX1010102: |
| 4997 | case DRM_FORMAT_BGRX1010102: |
| 4998 | case DRM_FORMAT_ARGB2101010: |
| 4999 | case DRM_FORMAT_ABGR2101010: |
| 5000 | case DRM_FORMAT_RGBA1010102: |
| 5001 | case DRM_FORMAT_BGRA1010102: |
Dave Airlie | 248dbc2 | 2011-11-29 20:02:54 +0000 | [diff] [blame] | 5002 | *depth = 30; |
| 5003 | *bpp = 32; |
| 5004 | break; |
Ville Syrjälä | 04b3924 | 2011-11-17 18:05:13 +0200 | [diff] [blame] | 5005 | case DRM_FORMAT_ARGB8888: |
| 5006 | case DRM_FORMAT_ABGR8888: |
| 5007 | case DRM_FORMAT_RGBA8888: |
| 5008 | case DRM_FORMAT_BGRA8888: |
Dave Airlie | 248dbc2 | 2011-11-29 20:02:54 +0000 | [diff] [blame] | 5009 | *depth = 32; |
| 5010 | *bpp = 32; |
| 5011 | break; |
| 5012 | default: |
Ville Syrjälä | 23c453a | 2013-10-15 21:06:51 +0300 | [diff] [blame] | 5013 | DRM_DEBUG_KMS("unsupported pixel format %s\n", |
| 5014 | drm_get_format_name(format)); |
Dave Airlie | 248dbc2 | 2011-11-29 20:02:54 +0000 | [diff] [blame] | 5015 | *depth = 0; |
| 5016 | *bpp = 0; |
| 5017 | break; |
| 5018 | } |
| 5019 | } |
| 5020 | EXPORT_SYMBOL(drm_fb_get_bpp_depth); |
Ville Syrjälä | 141670e | 2012-04-05 21:35:15 +0300 | [diff] [blame] | 5021 | |
| 5022 | /** |
| 5023 | * drm_format_num_planes - get the number of planes for format |
| 5024 | * @format: pixel format (DRM_FORMAT_*) |
| 5025 | * |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 5026 | * Returns: |
Ville Syrjälä | 141670e | 2012-04-05 21:35:15 +0300 | [diff] [blame] | 5027 | * The number of planes used by the specified pixel format. |
| 5028 | */ |
| 5029 | int drm_format_num_planes(uint32_t format) |
| 5030 | { |
| 5031 | switch (format) { |
| 5032 | case DRM_FORMAT_YUV410: |
| 5033 | case DRM_FORMAT_YVU410: |
| 5034 | case DRM_FORMAT_YUV411: |
| 5035 | case DRM_FORMAT_YVU411: |
| 5036 | case DRM_FORMAT_YUV420: |
| 5037 | case DRM_FORMAT_YVU420: |
| 5038 | case DRM_FORMAT_YUV422: |
| 5039 | case DRM_FORMAT_YVU422: |
| 5040 | case DRM_FORMAT_YUV444: |
| 5041 | case DRM_FORMAT_YVU444: |
| 5042 | return 3; |
| 5043 | case DRM_FORMAT_NV12: |
| 5044 | case DRM_FORMAT_NV21: |
| 5045 | case DRM_FORMAT_NV16: |
| 5046 | case DRM_FORMAT_NV61: |
Laurent Pinchart | ba623f6 | 2012-05-18 23:47:40 +0200 | [diff] [blame] | 5047 | case DRM_FORMAT_NV24: |
| 5048 | case DRM_FORMAT_NV42: |
Ville Syrjälä | 141670e | 2012-04-05 21:35:15 +0300 | [diff] [blame] | 5049 | return 2; |
| 5050 | default: |
| 5051 | return 1; |
| 5052 | } |
| 5053 | } |
| 5054 | EXPORT_SYMBOL(drm_format_num_planes); |
Ville Syrjälä | 5a86bd5 | 2012-04-05 21:35:16 +0300 | [diff] [blame] | 5055 | |
| 5056 | /** |
| 5057 | * drm_format_plane_cpp - determine the bytes per pixel value |
| 5058 | * @format: pixel format (DRM_FORMAT_*) |
| 5059 | * @plane: plane index |
| 5060 | * |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 5061 | * Returns: |
Ville Syrjälä | 5a86bd5 | 2012-04-05 21:35:16 +0300 | [diff] [blame] | 5062 | * The bytes per pixel value for the specified plane. |
| 5063 | */ |
| 5064 | int drm_format_plane_cpp(uint32_t format, int plane) |
| 5065 | { |
| 5066 | unsigned int depth; |
| 5067 | int bpp; |
| 5068 | |
| 5069 | if (plane >= drm_format_num_planes(format)) |
| 5070 | return 0; |
| 5071 | |
| 5072 | switch (format) { |
| 5073 | case DRM_FORMAT_YUYV: |
| 5074 | case DRM_FORMAT_YVYU: |
| 5075 | case DRM_FORMAT_UYVY: |
| 5076 | case DRM_FORMAT_VYUY: |
| 5077 | return 2; |
| 5078 | case DRM_FORMAT_NV12: |
| 5079 | case DRM_FORMAT_NV21: |
| 5080 | case DRM_FORMAT_NV16: |
| 5081 | case DRM_FORMAT_NV61: |
Laurent Pinchart | ba623f6 | 2012-05-18 23:47:40 +0200 | [diff] [blame] | 5082 | case DRM_FORMAT_NV24: |
| 5083 | case DRM_FORMAT_NV42: |
Ville Syrjälä | 5a86bd5 | 2012-04-05 21:35:16 +0300 | [diff] [blame] | 5084 | return plane ? 2 : 1; |
| 5085 | case DRM_FORMAT_YUV410: |
| 5086 | case DRM_FORMAT_YVU410: |
| 5087 | case DRM_FORMAT_YUV411: |
| 5088 | case DRM_FORMAT_YVU411: |
| 5089 | case DRM_FORMAT_YUV420: |
| 5090 | case DRM_FORMAT_YVU420: |
| 5091 | case DRM_FORMAT_YUV422: |
| 5092 | case DRM_FORMAT_YVU422: |
| 5093 | case DRM_FORMAT_YUV444: |
| 5094 | case DRM_FORMAT_YVU444: |
| 5095 | return 1; |
| 5096 | default: |
| 5097 | drm_fb_get_bpp_depth(format, &depth, &bpp); |
| 5098 | return bpp >> 3; |
| 5099 | } |
| 5100 | } |
| 5101 | EXPORT_SYMBOL(drm_format_plane_cpp); |
Ville Syrjälä | 01b68b0 | 2012-04-05 21:35:17 +0300 | [diff] [blame] | 5102 | |
| 5103 | /** |
| 5104 | * drm_format_horz_chroma_subsampling - get the horizontal chroma subsampling factor |
| 5105 | * @format: pixel format (DRM_FORMAT_*) |
| 5106 | * |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 5107 | * Returns: |
Ville Syrjälä | 01b68b0 | 2012-04-05 21:35:17 +0300 | [diff] [blame] | 5108 | * The horizontal chroma subsampling factor for the |
| 5109 | * specified pixel format. |
| 5110 | */ |
| 5111 | int drm_format_horz_chroma_subsampling(uint32_t format) |
| 5112 | { |
| 5113 | switch (format) { |
| 5114 | case DRM_FORMAT_YUV411: |
| 5115 | case DRM_FORMAT_YVU411: |
| 5116 | case DRM_FORMAT_YUV410: |
| 5117 | case DRM_FORMAT_YVU410: |
| 5118 | return 4; |
| 5119 | case DRM_FORMAT_YUYV: |
| 5120 | case DRM_FORMAT_YVYU: |
| 5121 | case DRM_FORMAT_UYVY: |
| 5122 | case DRM_FORMAT_VYUY: |
| 5123 | case DRM_FORMAT_NV12: |
| 5124 | case DRM_FORMAT_NV21: |
| 5125 | case DRM_FORMAT_NV16: |
| 5126 | case DRM_FORMAT_NV61: |
| 5127 | case DRM_FORMAT_YUV422: |
| 5128 | case DRM_FORMAT_YVU422: |
| 5129 | case DRM_FORMAT_YUV420: |
| 5130 | case DRM_FORMAT_YVU420: |
| 5131 | return 2; |
| 5132 | default: |
| 5133 | return 1; |
| 5134 | } |
| 5135 | } |
| 5136 | EXPORT_SYMBOL(drm_format_horz_chroma_subsampling); |
| 5137 | |
| 5138 | /** |
| 5139 | * drm_format_vert_chroma_subsampling - get the vertical chroma subsampling factor |
| 5140 | * @format: pixel format (DRM_FORMAT_*) |
| 5141 | * |
Daniel Vetter | c8e32cc | 2014-03-10 21:33:02 +0100 | [diff] [blame] | 5142 | * Returns: |
Ville Syrjälä | 01b68b0 | 2012-04-05 21:35:17 +0300 | [diff] [blame] | 5143 | * The vertical chroma subsampling factor for the |
| 5144 | * specified pixel format. |
| 5145 | */ |
| 5146 | int drm_format_vert_chroma_subsampling(uint32_t format) |
| 5147 | { |
| 5148 | switch (format) { |
| 5149 | case DRM_FORMAT_YUV410: |
| 5150 | case DRM_FORMAT_YVU410: |
| 5151 | return 4; |
| 5152 | case DRM_FORMAT_YUV420: |
| 5153 | case DRM_FORMAT_YVU420: |
| 5154 | case DRM_FORMAT_NV12: |
| 5155 | case DRM_FORMAT_NV21: |
| 5156 | return 2; |
| 5157 | default: |
| 5158 | return 1; |
| 5159 | } |
| 5160 | } |
| 5161 | EXPORT_SYMBOL(drm_format_vert_chroma_subsampling); |
Laurent Pinchart | 87d24fc | 2013-04-15 15:37:16 +0200 | [diff] [blame] | 5162 | |
| 5163 | /** |
Ville Syrjälä | 3c9855f | 2014-07-08 10:31:56 +0530 | [diff] [blame] | 5164 | * drm_rotation_simplify() - Try to simplify the rotation |
| 5165 | * @rotation: Rotation to be simplified |
| 5166 | * @supported_rotations: Supported rotations |
| 5167 | * |
| 5168 | * Attempt to simplify the rotation to a form that is supported. |
| 5169 | * Eg. if the hardware supports everything except DRM_REFLECT_X |
| 5170 | * one could call this function like this: |
| 5171 | * |
| 5172 | * drm_rotation_simplify(rotation, BIT(DRM_ROTATE_0) | |
| 5173 | * BIT(DRM_ROTATE_90) | BIT(DRM_ROTATE_180) | |
| 5174 | * BIT(DRM_ROTATE_270) | BIT(DRM_REFLECT_Y)); |
| 5175 | * |
| 5176 | * to eliminate the DRM_ROTATE_X flag. Depending on what kind of |
| 5177 | * transforms the hardware supports, this function may not |
| 5178 | * be able to produce a supported transform, so the caller should |
| 5179 | * check the result afterwards. |
| 5180 | */ |
| 5181 | unsigned int drm_rotation_simplify(unsigned int rotation, |
| 5182 | unsigned int supported_rotations) |
| 5183 | { |
| 5184 | if (rotation & ~supported_rotations) { |
| 5185 | rotation ^= BIT(DRM_REFLECT_X) | BIT(DRM_REFLECT_Y); |
| 5186 | rotation = (rotation & ~0xf) | BIT((ffs(rotation & 0xf) + 1) % 4); |
| 5187 | } |
| 5188 | |
| 5189 | return rotation; |
| 5190 | } |
| 5191 | EXPORT_SYMBOL(drm_rotation_simplify); |
| 5192 | |
| 5193 | /** |
Laurent Pinchart | 87d24fc | 2013-04-15 15:37:16 +0200 | [diff] [blame] | 5194 | * drm_mode_config_init - initialize DRM mode_configuration structure |
| 5195 | * @dev: DRM device |
| 5196 | * |
| 5197 | * Initialize @dev's mode_config structure, used for tracking the graphics |
| 5198 | * configuration of @dev. |
| 5199 | * |
| 5200 | * Since this initializes the modeset locks, no locking is possible. Which is no |
| 5201 | * problem, since this should happen single threaded at init time. It is the |
| 5202 | * driver's problem to ensure this guarantee. |
| 5203 | * |
| 5204 | */ |
| 5205 | void drm_mode_config_init(struct drm_device *dev) |
| 5206 | { |
| 5207 | mutex_init(&dev->mode_config.mutex); |
Rob Clark | 51fd371 | 2013-11-19 12:10:12 -0500 | [diff] [blame] | 5208 | drm_modeset_lock_init(&dev->mode_config.connection_mutex); |
Laurent Pinchart | 87d24fc | 2013-04-15 15:37:16 +0200 | [diff] [blame] | 5209 | mutex_init(&dev->mode_config.idr_mutex); |
| 5210 | mutex_init(&dev->mode_config.fb_lock); |
| 5211 | INIT_LIST_HEAD(&dev->mode_config.fb_list); |
| 5212 | INIT_LIST_HEAD(&dev->mode_config.crtc_list); |
| 5213 | INIT_LIST_HEAD(&dev->mode_config.connector_list); |
Sean Paul | 3b336ec | 2013-08-14 16:47:37 -0400 | [diff] [blame] | 5214 | INIT_LIST_HEAD(&dev->mode_config.bridge_list); |
Laurent Pinchart | 87d24fc | 2013-04-15 15:37:16 +0200 | [diff] [blame] | 5215 | INIT_LIST_HEAD(&dev->mode_config.encoder_list); |
| 5216 | INIT_LIST_HEAD(&dev->mode_config.property_list); |
| 5217 | INIT_LIST_HEAD(&dev->mode_config.property_blob_list); |
| 5218 | INIT_LIST_HEAD(&dev->mode_config.plane_list); |
| 5219 | idr_init(&dev->mode_config.crtc_idr); |
Dave Airlie | 138f9eb | 2014-10-20 16:17:17 +1000 | [diff] [blame] | 5220 | idr_init(&dev->mode_config.tile_idr); |
Laurent Pinchart | 87d24fc | 2013-04-15 15:37:16 +0200 | [diff] [blame] | 5221 | |
| 5222 | drm_modeset_lock_all(dev); |
| 5223 | drm_mode_create_standard_connector_properties(dev); |
Rob Clark | 9922ab5 | 2014-04-01 20:16:57 -0400 | [diff] [blame] | 5224 | drm_mode_create_standard_plane_properties(dev); |
Laurent Pinchart | 87d24fc | 2013-04-15 15:37:16 +0200 | [diff] [blame] | 5225 | drm_modeset_unlock_all(dev); |
| 5226 | |
| 5227 | /* Just to be sure */ |
| 5228 | dev->mode_config.num_fb = 0; |
| 5229 | dev->mode_config.num_connector = 0; |
| 5230 | dev->mode_config.num_crtc = 0; |
| 5231 | dev->mode_config.num_encoder = 0; |
Matt Roper | e27dde3 | 2014-04-01 15:22:30 -0700 | [diff] [blame] | 5232 | dev->mode_config.num_overlay_plane = 0; |
| 5233 | dev->mode_config.num_total_plane = 0; |
Laurent Pinchart | 87d24fc | 2013-04-15 15:37:16 +0200 | [diff] [blame] | 5234 | } |
| 5235 | EXPORT_SYMBOL(drm_mode_config_init); |
| 5236 | |
| 5237 | /** |
| 5238 | * drm_mode_config_cleanup - free up DRM mode_config info |
| 5239 | * @dev: DRM device |
| 5240 | * |
| 5241 | * Free up all the connectors and CRTCs associated with this DRM device, then |
| 5242 | * free up the framebuffers and associated buffer objects. |
| 5243 | * |
| 5244 | * Note that since this /should/ happen single-threaded at driver/device |
| 5245 | * teardown time, no locking is required. It's the driver's job to ensure that |
| 5246 | * this guarantee actually holds true. |
| 5247 | * |
| 5248 | * FIXME: cleanup any dangling user buffer objects too |
| 5249 | */ |
| 5250 | void drm_mode_config_cleanup(struct drm_device *dev) |
| 5251 | { |
| 5252 | struct drm_connector *connector, *ot; |
| 5253 | struct drm_crtc *crtc, *ct; |
| 5254 | struct drm_encoder *encoder, *enct; |
Sean Paul | 3b336ec | 2013-08-14 16:47:37 -0400 | [diff] [blame] | 5255 | struct drm_bridge *bridge, *brt; |
Laurent Pinchart | 87d24fc | 2013-04-15 15:37:16 +0200 | [diff] [blame] | 5256 | struct drm_framebuffer *fb, *fbt; |
| 5257 | struct drm_property *property, *pt; |
| 5258 | struct drm_property_blob *blob, *bt; |
| 5259 | struct drm_plane *plane, *plt; |
| 5260 | |
| 5261 | list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list, |
| 5262 | head) { |
| 5263 | encoder->funcs->destroy(encoder); |
| 5264 | } |
| 5265 | |
Sean Paul | 3b336ec | 2013-08-14 16:47:37 -0400 | [diff] [blame] | 5266 | list_for_each_entry_safe(bridge, brt, |
| 5267 | &dev->mode_config.bridge_list, head) { |
| 5268 | bridge->funcs->destroy(bridge); |
| 5269 | } |
| 5270 | |
Laurent Pinchart | 87d24fc | 2013-04-15 15:37:16 +0200 | [diff] [blame] | 5271 | list_for_each_entry_safe(connector, ot, |
| 5272 | &dev->mode_config.connector_list, head) { |
| 5273 | connector->funcs->destroy(connector); |
| 5274 | } |
| 5275 | |
| 5276 | list_for_each_entry_safe(property, pt, &dev->mode_config.property_list, |
| 5277 | head) { |
| 5278 | drm_property_destroy(dev, property); |
| 5279 | } |
| 5280 | |
| 5281 | list_for_each_entry_safe(blob, bt, &dev->mode_config.property_blob_list, |
| 5282 | head) { |
| 5283 | drm_property_destroy_blob(dev, blob); |
| 5284 | } |
| 5285 | |
| 5286 | /* |
| 5287 | * Single-threaded teardown context, so it's not required to grab the |
| 5288 | * fb_lock to protect against concurrent fb_list access. Contrary, it |
| 5289 | * would actually deadlock with the drm_framebuffer_cleanup function. |
| 5290 | * |
| 5291 | * Also, if there are any framebuffers left, that's a driver leak now, |
| 5292 | * so politely WARN about this. |
| 5293 | */ |
| 5294 | WARN_ON(!list_empty(&dev->mode_config.fb_list)); |
| 5295 | list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) { |
| 5296 | drm_framebuffer_remove(fb); |
| 5297 | } |
| 5298 | |
| 5299 | list_for_each_entry_safe(plane, plt, &dev->mode_config.plane_list, |
| 5300 | head) { |
| 5301 | plane->funcs->destroy(plane); |
| 5302 | } |
| 5303 | |
| 5304 | list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) { |
| 5305 | crtc->funcs->destroy(crtc); |
| 5306 | } |
| 5307 | |
Dave Airlie | 138f9eb | 2014-10-20 16:17:17 +1000 | [diff] [blame] | 5308 | idr_destroy(&dev->mode_config.tile_idr); |
Laurent Pinchart | 87d24fc | 2013-04-15 15:37:16 +0200 | [diff] [blame] | 5309 | idr_destroy(&dev->mode_config.crtc_idr); |
Rob Clark | 51fd371 | 2013-11-19 12:10:12 -0500 | [diff] [blame] | 5310 | drm_modeset_lock_fini(&dev->mode_config.connection_mutex); |
Laurent Pinchart | 87d24fc | 2013-04-15 15:37:16 +0200 | [diff] [blame] | 5311 | } |
| 5312 | EXPORT_SYMBOL(drm_mode_config_cleanup); |
Ville Syrjälä | c1df5f3 | 2014-07-08 10:31:53 +0530 | [diff] [blame] | 5313 | |
| 5314 | struct drm_property *drm_mode_create_rotation_property(struct drm_device *dev, |
| 5315 | unsigned int supported_rotations) |
| 5316 | { |
| 5317 | static const struct drm_prop_enum_list props[] = { |
| 5318 | { DRM_ROTATE_0, "rotate-0" }, |
| 5319 | { DRM_ROTATE_90, "rotate-90" }, |
| 5320 | { DRM_ROTATE_180, "rotate-180" }, |
| 5321 | { DRM_ROTATE_270, "rotate-270" }, |
| 5322 | { DRM_REFLECT_X, "reflect-x" }, |
| 5323 | { DRM_REFLECT_Y, "reflect-y" }, |
| 5324 | }; |
| 5325 | |
| 5326 | return drm_property_create_bitmask(dev, 0, "rotation", |
| 5327 | props, ARRAY_SIZE(props), |
| 5328 | supported_rotations); |
| 5329 | } |
| 5330 | EXPORT_SYMBOL(drm_mode_create_rotation_property); |
Dave Airlie | 138f9eb | 2014-10-20 16:17:17 +1000 | [diff] [blame] | 5331 | |
| 5332 | /** |
| 5333 | * DOC: Tile group |
| 5334 | * |
| 5335 | * Tile groups are used to represent tiled monitors with a unique |
| 5336 | * integer identifier. Tiled monitors using DisplayID v1.3 have |
| 5337 | * a unique 8-byte handle, we store this in a tile group, so we |
| 5338 | * have a common identifier for all tiles in a monitor group. |
| 5339 | */ |
| 5340 | static void drm_tile_group_free(struct kref *kref) |
| 5341 | { |
| 5342 | struct drm_tile_group *tg = container_of(kref, struct drm_tile_group, refcount); |
| 5343 | struct drm_device *dev = tg->dev; |
| 5344 | mutex_lock(&dev->mode_config.idr_mutex); |
| 5345 | idr_remove(&dev->mode_config.tile_idr, tg->id); |
| 5346 | mutex_unlock(&dev->mode_config.idr_mutex); |
| 5347 | kfree(tg); |
| 5348 | } |
| 5349 | |
| 5350 | /** |
| 5351 | * drm_mode_put_tile_group - drop a reference to a tile group. |
| 5352 | * @dev: DRM device |
| 5353 | * @tg: tile group to drop reference to. |
| 5354 | * |
| 5355 | * drop reference to tile group and free if 0. |
| 5356 | */ |
| 5357 | void drm_mode_put_tile_group(struct drm_device *dev, |
| 5358 | struct drm_tile_group *tg) |
| 5359 | { |
| 5360 | kref_put(&tg->refcount, drm_tile_group_free); |
| 5361 | } |
| 5362 | |
| 5363 | /** |
| 5364 | * drm_mode_get_tile_group - get a reference to an existing tile group |
| 5365 | * @dev: DRM device |
| 5366 | * @topology: 8-bytes unique per monitor. |
| 5367 | * |
| 5368 | * Use the unique bytes to get a reference to an existing tile group. |
| 5369 | * |
| 5370 | * RETURNS: |
| 5371 | * tile group or NULL if not found. |
| 5372 | */ |
| 5373 | struct drm_tile_group *drm_mode_get_tile_group(struct drm_device *dev, |
| 5374 | char topology[8]) |
| 5375 | { |
| 5376 | struct drm_tile_group *tg; |
| 5377 | int id; |
| 5378 | mutex_lock(&dev->mode_config.idr_mutex); |
| 5379 | idr_for_each_entry(&dev->mode_config.tile_idr, tg, id) { |
| 5380 | if (!memcmp(tg->group_data, topology, 8)) { |
| 5381 | if (!kref_get_unless_zero(&tg->refcount)) |
| 5382 | tg = NULL; |
| 5383 | mutex_unlock(&dev->mode_config.idr_mutex); |
| 5384 | return tg; |
| 5385 | } |
| 5386 | } |
| 5387 | mutex_unlock(&dev->mode_config.idr_mutex); |
| 5388 | return NULL; |
| 5389 | } |
| 5390 | |
| 5391 | /** |
| 5392 | * drm_mode_create_tile_group - create a tile group from a displayid description |
| 5393 | * @dev: DRM device |
| 5394 | * @topology: 8-bytes unique per monitor. |
| 5395 | * |
| 5396 | * Create a tile group for the unique monitor, and get a unique |
| 5397 | * identifier for the tile group. |
| 5398 | * |
| 5399 | * RETURNS: |
| 5400 | * new tile group or error. |
| 5401 | */ |
| 5402 | struct drm_tile_group *drm_mode_create_tile_group(struct drm_device *dev, |
| 5403 | char topology[8]) |
| 5404 | { |
| 5405 | struct drm_tile_group *tg; |
| 5406 | int ret; |
| 5407 | |
| 5408 | tg = kzalloc(sizeof(*tg), GFP_KERNEL); |
| 5409 | if (!tg) |
| 5410 | return ERR_PTR(-ENOMEM); |
| 5411 | |
| 5412 | kref_init(&tg->refcount); |
| 5413 | memcpy(tg->group_data, topology, 8); |
| 5414 | tg->dev = dev; |
| 5415 | |
| 5416 | mutex_lock(&dev->mode_config.idr_mutex); |
| 5417 | ret = idr_alloc(&dev->mode_config.tile_idr, tg, 1, 0, GFP_KERNEL); |
| 5418 | if (ret >= 0) { |
| 5419 | tg->id = ret; |
| 5420 | } else { |
| 5421 | kfree(tg); |
| 5422 | tg = ERR_PTR(ret); |
| 5423 | } |
| 5424 | |
| 5425 | mutex_unlock(&dev->mode_config.idr_mutex); |
| 5426 | return tg; |
| 5427 | } |