Matt Roper | ea2c67b | 2014-12-23 10:41:52 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright © 2014 Intel Corporation |
| 3 | * |
| 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 5 | * copy of this software and associated documentation files (the "Software"), |
| 6 | * to deal in the Software without restriction, including without limitation |
| 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 8 | * and/or sell copies of the Software, and to permit persons to whom the |
| 9 | * Software is furnished to do so, subject to the following conditions: |
| 10 | * |
| 11 | * The above copyright notice and this permission notice (including the next |
| 12 | * paragraph) shall be included in all copies or substantial portions of the |
| 13 | * Software. |
| 14 | * |
| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| 20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| 21 | * DEALINGS IN THE SOFTWARE. |
| 22 | */ |
| 23 | |
| 24 | /** |
Matt Roper | cd52471 | 2015-01-13 08:55:00 -0800 | [diff] [blame] | 25 | * DOC: atomic plane helpers |
Matt Roper | ea2c67b | 2014-12-23 10:41:52 -0800 | [diff] [blame] | 26 | * |
| 27 | * The functions here are used by the atomic plane helper functions to |
| 28 | * implement legacy plane updates (i.e., drm_plane->update_plane() and |
| 29 | * drm_plane->disable_plane()). This allows plane updates to use the |
| 30 | * atomic state infrastructure and perform plane updates as separate |
| 31 | * prepare/check/commit/cleanup steps. |
| 32 | */ |
| 33 | |
| 34 | #include <drm/drmP.h> |
| 35 | #include <drm/drm_atomic_helper.h> |
| 36 | #include <drm/drm_plane_helper.h> |
| 37 | #include "intel_drv.h" |
| 38 | |
| 39 | /** |
Matt Roper | 8e7d688 | 2015-01-21 16:35:41 -0800 | [diff] [blame] | 40 | * intel_create_plane_state - create plane state object |
| 41 | * @plane: drm plane |
| 42 | * |
| 43 | * Allocates a fresh plane state for the given plane and sets some of |
| 44 | * the state values to sensible initial values. |
| 45 | * |
| 46 | * Returns: A newly allocated plane state, or NULL on failure |
| 47 | */ |
| 48 | struct intel_plane_state * |
| 49 | intel_create_plane_state(struct drm_plane *plane) |
| 50 | { |
| 51 | struct intel_plane_state *state; |
| 52 | |
| 53 | state = kzalloc(sizeof(*state), GFP_KERNEL); |
| 54 | if (!state) |
| 55 | return NULL; |
| 56 | |
| 57 | state->base.plane = plane; |
Joonas Lahtinen | 31ad61e | 2016-07-29 08:50:05 +0300 | [diff] [blame^] | 58 | state->base.rotation = DRM_ROTATE_0; |
Maarten Lankhorst | 818ed96 | 2015-06-15 12:33:54 +0200 | [diff] [blame] | 59 | state->ckey.flags = I915_SET_COLORKEY_NONE; |
Matt Roper | 8e7d688 | 2015-01-21 16:35:41 -0800 | [diff] [blame] | 60 | |
| 61 | return state; |
| 62 | } |
| 63 | |
| 64 | /** |
Matt Roper | ea2c67b | 2014-12-23 10:41:52 -0800 | [diff] [blame] | 65 | * intel_plane_duplicate_state - duplicate plane state |
| 66 | * @plane: drm plane |
| 67 | * |
| 68 | * Allocates and returns a copy of the plane state (both common and |
| 69 | * Intel-specific) for the specified plane. |
| 70 | * |
Matt Roper | 8e7d688 | 2015-01-21 16:35:41 -0800 | [diff] [blame] | 71 | * Returns: The newly allocated plane state, or NULL on failure. |
Matt Roper | ea2c67b | 2014-12-23 10:41:52 -0800 | [diff] [blame] | 72 | */ |
| 73 | struct drm_plane_state * |
| 74 | intel_plane_duplicate_state(struct drm_plane *plane) |
| 75 | { |
Matt Roper | 8e7d688 | 2015-01-21 16:35:41 -0800 | [diff] [blame] | 76 | struct drm_plane_state *state; |
| 77 | struct intel_plane_state *intel_state; |
Matt Roper | ea2c67b | 2014-12-23 10:41:52 -0800 | [diff] [blame] | 78 | |
Maarten Lankhorst | bca8013 | 2015-09-10 16:08:02 +0200 | [diff] [blame] | 79 | intel_state = kmemdup(plane->state, sizeof(*intel_state), GFP_KERNEL); |
Matt Roper | ea2c67b | 2014-12-23 10:41:52 -0800 | [diff] [blame] | 80 | |
Matt Roper | 8e7d688 | 2015-01-21 16:35:41 -0800 | [diff] [blame] | 81 | if (!intel_state) |
Matt Roper | ea2c67b | 2014-12-23 10:41:52 -0800 | [diff] [blame] | 82 | return NULL; |
| 83 | |
Matt Roper | 8e7d688 | 2015-01-21 16:35:41 -0800 | [diff] [blame] | 84 | state = &intel_state->base; |
Ander Conselvan de Oliveira | f0c6057 | 2015-04-21 17:12:58 +0300 | [diff] [blame] | 85 | |
| 86 | __drm_atomic_helper_plane_duplicate_state(plane, state); |
Maarten Lankhorst | 7580d77 | 2015-08-18 13:40:06 +0200 | [diff] [blame] | 87 | intel_state->wait_req = NULL; |
Matt Roper | ea2c67b | 2014-12-23 10:41:52 -0800 | [diff] [blame] | 88 | |
Matt Roper | 8e7d688 | 2015-01-21 16:35:41 -0800 | [diff] [blame] | 89 | return state; |
Matt Roper | ea2c67b | 2014-12-23 10:41:52 -0800 | [diff] [blame] | 90 | } |
| 91 | |
| 92 | /** |
| 93 | * intel_plane_destroy_state - destroy plane state |
| 94 | * @plane: drm plane |
Matt Roper | cd52471 | 2015-01-13 08:55:00 -0800 | [diff] [blame] | 95 | * @state: state object to destroy |
Matt Roper | ea2c67b | 2014-12-23 10:41:52 -0800 | [diff] [blame] | 96 | * |
| 97 | * Destroys the plane state (both common and Intel-specific) for the |
| 98 | * specified plane. |
| 99 | */ |
| 100 | void |
| 101 | intel_plane_destroy_state(struct drm_plane *plane, |
| 102 | struct drm_plane_state *state) |
| 103 | { |
Maarten Lankhorst | 7580d77 | 2015-08-18 13:40:06 +0200 | [diff] [blame] | 104 | WARN_ON(state && to_intel_plane_state(state)->wait_req); |
Matt Roper | ea2c67b | 2014-12-23 10:41:52 -0800 | [diff] [blame] | 105 | drm_atomic_helper_plane_destroy_state(plane, state); |
| 106 | } |
| 107 | |
| 108 | static int intel_plane_atomic_check(struct drm_plane *plane, |
| 109 | struct drm_plane_state *state) |
| 110 | { |
| 111 | struct drm_crtc *crtc = state->crtc; |
| 112 | struct intel_crtc *intel_crtc; |
Ander Conselvan de Oliveira | 8c7b5cc | 2015-04-21 17:13:19 +0300 | [diff] [blame] | 113 | struct intel_crtc_state *crtc_state; |
Matt Roper | ea2c67b | 2014-12-23 10:41:52 -0800 | [diff] [blame] | 114 | struct intel_plane *intel_plane = to_intel_plane(plane); |
| 115 | struct intel_plane_state *intel_state = to_intel_plane_state(state); |
Maarten Lankhorst | c389c9c | 2015-06-15 12:33:55 +0200 | [diff] [blame] | 116 | struct drm_crtc_state *drm_crtc_state; |
Maarten Lankhorst | da20eab | 2015-06-15 12:33:44 +0200 | [diff] [blame] | 117 | int ret; |
Matt Roper | ea2c67b | 2014-12-23 10:41:52 -0800 | [diff] [blame] | 118 | |
Maarten Lankhorst | 061e4b8 | 2015-06-15 12:33:46 +0200 | [diff] [blame] | 119 | crtc = crtc ? crtc : plane->state->crtc; |
Matt Roper | ea2c67b | 2014-12-23 10:41:52 -0800 | [diff] [blame] | 120 | intel_crtc = to_intel_crtc(crtc); |
| 121 | |
| 122 | /* |
Matt Roper | c196e1d | 2015-01-21 16:35:48 -0800 | [diff] [blame] | 123 | * Both crtc and plane->crtc could be NULL if we're updating a |
| 124 | * property while the plane is disabled. We don't actually have |
| 125 | * anything driver-specific we need to test in that case, so |
| 126 | * just return success. |
| 127 | */ |
| 128 | if (!crtc) |
| 129 | return 0; |
| 130 | |
Maarten Lankhorst | c389c9c | 2015-06-15 12:33:55 +0200 | [diff] [blame] | 131 | drm_crtc_state = drm_atomic_get_existing_crtc_state(state->state, crtc); |
| 132 | if (WARN_ON(!drm_crtc_state)) |
| 133 | return -EINVAL; |
Maarten Lankhorst | 061e4b8 | 2015-06-15 12:33:46 +0200 | [diff] [blame] | 134 | |
Maarten Lankhorst | c389c9c | 2015-06-15 12:33:55 +0200 | [diff] [blame] | 135 | crtc_state = to_intel_crtc_state(drm_crtc_state); |
Ander Conselvan de Oliveira | 8c7b5cc | 2015-04-21 17:13:19 +0300 | [diff] [blame] | 136 | |
Matt Roper | c196e1d | 2015-01-21 16:35:48 -0800 | [diff] [blame] | 137 | /* |
Matt Roper | ea2c67b | 2014-12-23 10:41:52 -0800 | [diff] [blame] | 138 | * The original src/dest coordinates are stored in state->base, but |
| 139 | * we want to keep another copy internal to our driver that we can |
| 140 | * clip/modify ourselves. |
| 141 | */ |
| 142 | intel_state->src.x1 = state->src_x; |
| 143 | intel_state->src.y1 = state->src_y; |
| 144 | intel_state->src.x2 = state->src_x + state->src_w; |
| 145 | intel_state->src.y2 = state->src_y + state->src_h; |
| 146 | intel_state->dst.x1 = state->crtc_x; |
| 147 | intel_state->dst.y1 = state->crtc_y; |
| 148 | intel_state->dst.x2 = state->crtc_x + state->crtc_w; |
| 149 | intel_state->dst.y2 = state->crtc_y + state->crtc_h; |
| 150 | |
| 151 | /* Clip all planes to CRTC size, or 0x0 if CRTC is disabled */ |
| 152 | intel_state->clip.x1 = 0; |
| 153 | intel_state->clip.y1 = 0; |
| 154 | intel_state->clip.x2 = |
Maarten Lankhorst | 35c08f4 | 2015-12-03 14:31:07 +0100 | [diff] [blame] | 155 | crtc_state->base.enable ? crtc_state->pipe_src_w : 0; |
Matt Roper | ea2c67b | 2014-12-23 10:41:52 -0800 | [diff] [blame] | 156 | intel_state->clip.y2 = |
Maarten Lankhorst | 35c08f4 | 2015-12-03 14:31:07 +0100 | [diff] [blame] | 157 | crtc_state->base.enable ? crtc_state->pipe_src_h : 0; |
Matt Roper | ea2c67b | 2014-12-23 10:41:52 -0800 | [diff] [blame] | 158 | |
Sonika Jindal | 3b7a511 | 2015-04-10 14:37:29 +0530 | [diff] [blame] | 159 | if (state->fb && intel_rotation_90_or_270(state->rotation)) { |
| 160 | if (!(state->fb->modifier[0] == I915_FORMAT_MOD_Y_TILED || |
| 161 | state->fb->modifier[0] == I915_FORMAT_MOD_Yf_TILED)) { |
| 162 | DRM_DEBUG_KMS("Y/Yf tiling required for 90/270!\n"); |
| 163 | return -EINVAL; |
| 164 | } |
| 165 | |
| 166 | /* |
| 167 | * 90/270 is not allowed with RGB64 16:16:16:16, |
| 168 | * RGB 16-bit 5:6:5, and Indexed 8-bit. |
| 169 | * TBD: Add RGB64 case once its added in supported format list. |
| 170 | */ |
| 171 | switch (state->fb->pixel_format) { |
| 172 | case DRM_FORMAT_C8: |
| 173 | case DRM_FORMAT_RGB565: |
| 174 | DRM_DEBUG_KMS("Unsupported pixel format %s for 90/270!\n", |
| 175 | drm_get_format_name(state->fb->pixel_format)); |
| 176 | return -EINVAL; |
| 177 | |
| 178 | default: |
| 179 | break; |
| 180 | } |
| 181 | } |
| 182 | |
Maarten Lankhorst | 061e4b8 | 2015-06-15 12:33:46 +0200 | [diff] [blame] | 183 | intel_state->visible = false; |
| 184 | ret = intel_plane->check_plane(plane, crtc_state, intel_state); |
Maarten Lankhorst | c389c9c | 2015-06-15 12:33:55 +0200 | [diff] [blame] | 185 | if (ret) |
Maarten Lankhorst | da20eab | 2015-06-15 12:33:44 +0200 | [diff] [blame] | 186 | return ret; |
| 187 | |
| 188 | return intel_plane_atomic_calc_changes(&crtc_state->base, state); |
Matt Roper | ea2c67b | 2014-12-23 10:41:52 -0800 | [diff] [blame] | 189 | } |
| 190 | |
| 191 | static void intel_plane_atomic_update(struct drm_plane *plane, |
| 192 | struct drm_plane_state *old_state) |
| 193 | { |
| 194 | struct intel_plane *intel_plane = to_intel_plane(plane); |
| 195 | struct intel_plane_state *intel_state = |
| 196 | to_intel_plane_state(plane->state); |
Maarten Lankhorst | a758e68 | 2016-01-07 11:54:07 +0100 | [diff] [blame] | 197 | struct drm_crtc *crtc = plane->state->crtc ?: old_state->crtc; |
Matt Roper | ea2c67b | 2014-12-23 10:41:52 -0800 | [diff] [blame] | 198 | |
Maarten Lankhorst | c03242b | 2016-01-07 11:54:12 +0100 | [diff] [blame] | 199 | if (intel_state->visible) |
Maarten Lankhorst | a758e68 | 2016-01-07 11:54:07 +0100 | [diff] [blame] | 200 | intel_plane->update_plane(plane, |
Ville Syrjälä | 9f6151c | 2016-03-09 19:07:24 +0200 | [diff] [blame] | 201 | to_intel_crtc_state(crtc->state), |
Maarten Lankhorst | a758e68 | 2016-01-07 11:54:07 +0100 | [diff] [blame] | 202 | intel_state); |
| 203 | else |
| 204 | intel_plane->disable_plane(plane, crtc); |
Matt Roper | ea2c67b | 2014-12-23 10:41:52 -0800 | [diff] [blame] | 205 | } |
| 206 | |
| 207 | const struct drm_plane_helper_funcs intel_plane_helper_funcs = { |
| 208 | .prepare_fb = intel_prepare_plane_fb, |
| 209 | .cleanup_fb = intel_cleanup_plane_fb, |
| 210 | .atomic_check = intel_plane_atomic_check, |
| 211 | .atomic_update = intel_plane_atomic_update, |
| 212 | }; |
| 213 | |
Matt Roper | a98b343 | 2015-01-21 16:35:43 -0800 | [diff] [blame] | 214 | /** |
| 215 | * intel_plane_atomic_get_property - fetch plane property value |
| 216 | * @plane: plane to fetch property for |
| 217 | * @state: state containing the property value |
| 218 | * @property: property to look up |
| 219 | * @val: pointer to write property value into |
| 220 | * |
| 221 | * The DRM core does not store shadow copies of properties for |
| 222 | * atomic-capable drivers. This entrypoint is used to fetch |
| 223 | * the current value of a driver-specific plane property. |
| 224 | */ |
| 225 | int |
| 226 | intel_plane_atomic_get_property(struct drm_plane *plane, |
| 227 | const struct drm_plane_state *state, |
| 228 | struct drm_property *property, |
| 229 | uint64_t *val) |
| 230 | { |
Tvrtko Ursulin | aaed1aa | 2015-02-26 13:49:18 +0000 | [diff] [blame] | 231 | DRM_DEBUG_KMS("Unknown plane property '%s'\n", property->name); |
| 232 | return -EINVAL; |
Matt Roper | a98b343 | 2015-01-21 16:35:43 -0800 | [diff] [blame] | 233 | } |
| 234 | |
| 235 | /** |
| 236 | * intel_plane_atomic_set_property - set plane property value |
| 237 | * @plane: plane to set property for |
| 238 | * @state: state to update property value in |
| 239 | * @property: property to set |
| 240 | * @val: value to set property to |
| 241 | * |
| 242 | * Writes the specified property value for a plane into the provided atomic |
| 243 | * state object. |
| 244 | * |
| 245 | * Returns 0 on success, -EINVAL on unrecognized properties |
| 246 | */ |
| 247 | int |
| 248 | intel_plane_atomic_set_property(struct drm_plane *plane, |
| 249 | struct drm_plane_state *state, |
| 250 | struct drm_property *property, |
| 251 | uint64_t val) |
| 252 | { |
Tvrtko Ursulin | aaed1aa | 2015-02-26 13:49:18 +0000 | [diff] [blame] | 253 | DRM_DEBUG_KMS("Unknown plane property '%s'\n", property->name); |
| 254 | return -EINVAL; |
Matt Roper | a98b343 | 2015-01-21 16:35:43 -0800 | [diff] [blame] | 255 | } |