Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 1 | /************************************************************************** |
| 2 | * |
Sinclair Yeh | 54fbde8 | 2015-07-29 12:38:02 -0700 | [diff] [blame] | 3 | * Copyright © 2011-2015 VMware, Inc., Palo Alto, CA., USA |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 4 | * All Rights Reserved. |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 7 | * copy of this software and associated documentation files (the |
| 8 | * "Software"), to deal in the Software without restriction, including |
| 9 | * without limitation the rights to use, copy, modify, merge, publish, |
| 10 | * distribute, sub license, and/or sell copies of the Software, and to |
| 11 | * permit persons to whom the Software is furnished to do so, subject to |
| 12 | * the following conditions: |
| 13 | * |
| 14 | * The above copyright notice and this permission notice (including the |
| 15 | * next paragraph) shall be included in all copies or substantial portions |
| 16 | * of the Software. |
| 17 | * |
| 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 20 | * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
| 21 | * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, |
| 22 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
| 23 | * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
| 24 | * USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 25 | * |
| 26 | **************************************************************************/ |
| 27 | |
| 28 | #include "vmwgfx_kms.h" |
Daniel Vetter | 3cb9ae4 | 2014-10-29 10:03:57 +0100 | [diff] [blame] | 29 | #include <drm/drm_plane_helper.h> |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 30 | |
| 31 | |
| 32 | #define vmw_crtc_to_sou(x) \ |
| 33 | container_of(x, struct vmw_screen_object_unit, base.crtc) |
| 34 | #define vmw_encoder_to_sou(x) \ |
| 35 | container_of(x, struct vmw_screen_object_unit, base.encoder) |
| 36 | #define vmw_connector_to_sou(x) \ |
| 37 | container_of(x, struct vmw_screen_object_unit, base.connector) |
| 38 | |
Thomas Hellstrom | 10b1e0c | 2015-06-26 02:14:27 -0700 | [diff] [blame] | 39 | /** |
| 40 | * struct vmw_kms_sou_surface_dirty - Closure structure for |
| 41 | * blit surface to screen command. |
| 42 | * @base: The base type we derive from. Used by vmw_kms_helper_dirty(). |
| 43 | * @left: Left side of bounding box. |
| 44 | * @right: Right side of bounding box. |
| 45 | * @top: Top side of bounding box. |
| 46 | * @bottom: Bottom side of bounding box. |
| 47 | * @dst_x: Difference between source clip rects and framebuffer coordinates. |
| 48 | * @dst_y: Difference between source clip rects and framebuffer coordinates. |
| 49 | * @sid: Surface id of surface to copy from. |
| 50 | */ |
| 51 | struct vmw_kms_sou_surface_dirty { |
| 52 | struct vmw_kms_dirty base; |
| 53 | s32 left, right, top, bottom; |
| 54 | s32 dst_x, dst_y; |
| 55 | u32 sid; |
| 56 | }; |
| 57 | |
| 58 | /* |
| 59 | * SVGA commands that are used by this code. Please see the device headers |
| 60 | * for explanation. |
| 61 | */ |
| 62 | struct vmw_kms_sou_readback_blit { |
| 63 | uint32 header; |
| 64 | SVGAFifoCmdBlitScreenToGMRFB body; |
| 65 | }; |
| 66 | |
| 67 | struct vmw_kms_sou_dmabuf_blit { |
| 68 | uint32 header; |
| 69 | SVGAFifoCmdBlitGMRFBToScreen body; |
| 70 | }; |
| 71 | |
| 72 | struct vmw_kms_sou_dirty_cmd { |
| 73 | SVGA3dCmdHeader header; |
| 74 | SVGA3dCmdBlitSurfaceToScreen body; |
| 75 | }; |
| 76 | |
| 77 | |
| 78 | /* |
| 79 | * Other structs. |
| 80 | */ |
| 81 | |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 82 | struct vmw_screen_object_display { |
Thomas Hellstrom | 6987427 | 2011-11-02 09:43:11 +0100 | [diff] [blame] | 83 | unsigned num_implicit; |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 84 | |
Thomas Hellstrom | 6987427 | 2011-11-02 09:43:11 +0100 | [diff] [blame] | 85 | struct vmw_framebuffer *implicit_fb; |
Thomas Hellstrom | 10b1e0c | 2015-06-26 02:14:27 -0700 | [diff] [blame] | 86 | SVGAFifoCmdDefineGMRFB cur; |
| 87 | struct vmw_dma_buffer *pinned_gmrfb; |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 88 | }; |
| 89 | |
| 90 | /** |
| 91 | * Display unit using screen objects. |
| 92 | */ |
| 93 | struct vmw_screen_object_unit { |
| 94 | struct vmw_display_unit base; |
| 95 | |
| 96 | unsigned long buffer_size; /**< Size of allocated buffer */ |
| 97 | struct vmw_dma_buffer *buffer; /**< Backing store buffer */ |
| 98 | |
| 99 | bool defined; |
Thomas Hellstrom | 6987427 | 2011-11-02 09:43:11 +0100 | [diff] [blame] | 100 | bool active_implicit; |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 101 | }; |
| 102 | |
| 103 | static void vmw_sou_destroy(struct vmw_screen_object_unit *sou) |
| 104 | { |
Sinclair Yeh | c8261a9 | 2015-06-26 01:23:42 -0700 | [diff] [blame] | 105 | vmw_du_cleanup(&sou->base); |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 106 | kfree(sou); |
| 107 | } |
| 108 | |
| 109 | |
| 110 | /* |
| 111 | * Screen Object Display Unit CRTC functions |
| 112 | */ |
| 113 | |
| 114 | static void vmw_sou_crtc_destroy(struct drm_crtc *crtc) |
| 115 | { |
| 116 | vmw_sou_destroy(vmw_crtc_to_sou(crtc)); |
| 117 | } |
| 118 | |
Thomas Hellstrom | 0e708bc | 2011-11-02 09:43:09 +0100 | [diff] [blame] | 119 | static void vmw_sou_del_active(struct vmw_private *vmw_priv, |
Sinclair Yeh | c8261a9 | 2015-06-26 01:23:42 -0700 | [diff] [blame] | 120 | struct vmw_screen_object_unit *sou) |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 121 | { |
| 122 | struct vmw_screen_object_display *ld = vmw_priv->sou_priv; |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 123 | |
Thomas Hellstrom | 6987427 | 2011-11-02 09:43:11 +0100 | [diff] [blame] | 124 | if (sou->active_implicit) { |
| 125 | if (--(ld->num_implicit) == 0) |
| 126 | ld->implicit_fb = NULL; |
| 127 | sou->active_implicit = false; |
Thomas Hellstrom | 0e708bc | 2011-11-02 09:43:09 +0100 | [diff] [blame] | 128 | } |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 129 | } |
| 130 | |
Thomas Hellstrom | 0e708bc | 2011-11-02 09:43:09 +0100 | [diff] [blame] | 131 | static void vmw_sou_add_active(struct vmw_private *vmw_priv, |
Sinclair Yeh | c8261a9 | 2015-06-26 01:23:42 -0700 | [diff] [blame] | 132 | struct vmw_screen_object_unit *sou, |
| 133 | struct vmw_framebuffer *vfb) |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 134 | { |
| 135 | struct vmw_screen_object_display *ld = vmw_priv->sou_priv; |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 136 | |
Thomas Hellstrom | 6987427 | 2011-11-02 09:43:11 +0100 | [diff] [blame] | 137 | BUG_ON(!ld->num_implicit && ld->implicit_fb); |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 138 | |
Thomas Hellstrom | 6987427 | 2011-11-02 09:43:11 +0100 | [diff] [blame] | 139 | if (!sou->active_implicit && sou->base.is_implicit) { |
| 140 | ld->implicit_fb = vfb; |
| 141 | sou->active_implicit = true; |
| 142 | ld->num_implicit++; |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 143 | } |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 144 | } |
| 145 | |
| 146 | /** |
| 147 | * Send the fifo command to create a screen. |
| 148 | */ |
| 149 | static int vmw_sou_fifo_create(struct vmw_private *dev_priv, |
| 150 | struct vmw_screen_object_unit *sou, |
| 151 | uint32_t x, uint32_t y, |
| 152 | struct drm_display_mode *mode) |
| 153 | { |
| 154 | size_t fifo_size; |
| 155 | |
| 156 | struct { |
| 157 | struct { |
| 158 | uint32_t cmdType; |
| 159 | } header; |
| 160 | SVGAScreenObject obj; |
| 161 | } *cmd; |
| 162 | |
| 163 | BUG_ON(!sou->buffer); |
| 164 | |
| 165 | fifo_size = sizeof(*cmd); |
| 166 | cmd = vmw_fifo_reserve(dev_priv, fifo_size); |
| 167 | /* The hardware has hung, nothing we can do about it here. */ |
| 168 | if (unlikely(cmd == NULL)) { |
| 169 | DRM_ERROR("Fifo reserve failed.\n"); |
| 170 | return -ENOMEM; |
| 171 | } |
| 172 | |
| 173 | memset(cmd, 0, fifo_size); |
| 174 | cmd->header.cmdType = SVGA_CMD_DEFINE_SCREEN; |
| 175 | cmd->obj.structSize = sizeof(SVGAScreenObject); |
| 176 | cmd->obj.id = sou->base.unit; |
| 177 | cmd->obj.flags = SVGA_SCREEN_HAS_ROOT | |
| 178 | (sou->base.unit == 0 ? SVGA_SCREEN_IS_PRIMARY : 0); |
| 179 | cmd->obj.size.width = mode->hdisplay; |
| 180 | cmd->obj.size.height = mode->vdisplay; |
Thomas Hellstrom | 6987427 | 2011-11-02 09:43:11 +0100 | [diff] [blame] | 181 | if (sou->base.is_implicit) { |
| 182 | cmd->obj.root.x = x; |
| 183 | cmd->obj.root.y = y; |
| 184 | } else { |
| 185 | cmd->obj.root.x = sou->base.gui_x; |
| 186 | cmd->obj.root.y = sou->base.gui_y; |
| 187 | } |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 188 | |
| 189 | /* Ok to assume that buffer is pinned in vram */ |
Thomas Hellstrom | b37a6b9 | 2011-10-04 20:13:28 +0200 | [diff] [blame] | 190 | vmw_bo_get_guest_ptr(&sou->buffer->base, &cmd->obj.backingStore.ptr); |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 191 | cmd->obj.backingStore.pitch = mode->hdisplay * 4; |
| 192 | |
| 193 | vmw_fifo_commit(dev_priv, fifo_size); |
| 194 | |
| 195 | sou->defined = true; |
| 196 | |
| 197 | return 0; |
| 198 | } |
| 199 | |
| 200 | /** |
| 201 | * Send the fifo command to destroy a screen. |
| 202 | */ |
| 203 | static int vmw_sou_fifo_destroy(struct vmw_private *dev_priv, |
| 204 | struct vmw_screen_object_unit *sou) |
| 205 | { |
| 206 | size_t fifo_size; |
| 207 | int ret; |
| 208 | |
| 209 | struct { |
| 210 | struct { |
| 211 | uint32_t cmdType; |
| 212 | } header; |
| 213 | SVGAFifoCmdDestroyScreen body; |
| 214 | } *cmd; |
| 215 | |
| 216 | /* no need to do anything */ |
| 217 | if (unlikely(!sou->defined)) |
| 218 | return 0; |
| 219 | |
| 220 | fifo_size = sizeof(*cmd); |
| 221 | cmd = vmw_fifo_reserve(dev_priv, fifo_size); |
| 222 | /* the hardware has hung, nothing we can do about it here */ |
| 223 | if (unlikely(cmd == NULL)) { |
| 224 | DRM_ERROR("Fifo reserve failed.\n"); |
| 225 | return -ENOMEM; |
| 226 | } |
| 227 | |
| 228 | memset(cmd, 0, fifo_size); |
| 229 | cmd->header.cmdType = SVGA_CMD_DESTROY_SCREEN; |
| 230 | cmd->body.screenId = sou->base.unit; |
| 231 | |
| 232 | vmw_fifo_commit(dev_priv, fifo_size); |
| 233 | |
| 234 | /* Force sync */ |
| 235 | ret = vmw_fallback_wait(dev_priv, false, true, 0, false, 3*HZ); |
| 236 | if (unlikely(ret != 0)) |
| 237 | DRM_ERROR("Failed to sync with HW"); |
| 238 | else |
| 239 | sou->defined = false; |
| 240 | |
| 241 | return ret; |
| 242 | } |
| 243 | |
| 244 | /** |
| 245 | * Free the backing store. |
| 246 | */ |
| 247 | static void vmw_sou_backing_free(struct vmw_private *dev_priv, |
| 248 | struct vmw_screen_object_unit *sou) |
| 249 | { |
Thomas Hellstrom | 10b1e0c | 2015-06-26 02:14:27 -0700 | [diff] [blame] | 250 | vmw_dmabuf_unreference(&sou->buffer); |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 251 | sou->buffer_size = 0; |
| 252 | } |
| 253 | |
| 254 | /** |
| 255 | * Allocate the backing store for the buffer. |
| 256 | */ |
| 257 | static int vmw_sou_backing_alloc(struct vmw_private *dev_priv, |
| 258 | struct vmw_screen_object_unit *sou, |
| 259 | unsigned long size) |
| 260 | { |
| 261 | int ret; |
| 262 | |
| 263 | if (sou->buffer_size == size) |
| 264 | return 0; |
| 265 | |
| 266 | if (sou->buffer) |
| 267 | vmw_sou_backing_free(dev_priv, sou); |
| 268 | |
| 269 | sou->buffer = kzalloc(sizeof(*sou->buffer), GFP_KERNEL); |
| 270 | if (unlikely(sou->buffer == NULL)) |
| 271 | return -ENOMEM; |
| 272 | |
| 273 | /* After we have alloced the backing store might not be able to |
| 274 | * resume the overlays, this is preferred to failing to alloc. |
| 275 | */ |
| 276 | vmw_overlay_pause_all(dev_priv); |
| 277 | ret = vmw_dmabuf_init(dev_priv, sou->buffer, size, |
| 278 | &vmw_vram_ne_placement, |
| 279 | false, &vmw_dmabuf_bo_free); |
| 280 | vmw_overlay_resume_all(dev_priv); |
| 281 | |
| 282 | if (unlikely(ret != 0)) |
| 283 | sou->buffer = NULL; /* vmw_dmabuf_init frees on error */ |
| 284 | else |
| 285 | sou->buffer_size = size; |
| 286 | |
| 287 | return ret; |
| 288 | } |
| 289 | |
| 290 | static int vmw_sou_crtc_set_config(struct drm_mode_set *set) |
| 291 | { |
| 292 | struct vmw_private *dev_priv; |
| 293 | struct vmw_screen_object_unit *sou; |
| 294 | struct drm_connector *connector; |
| 295 | struct drm_display_mode *mode; |
| 296 | struct drm_encoder *encoder; |
| 297 | struct vmw_framebuffer *vfb; |
| 298 | struct drm_framebuffer *fb; |
| 299 | struct drm_crtc *crtc; |
| 300 | int ret = 0; |
| 301 | |
| 302 | if (!set) |
| 303 | return -EINVAL; |
| 304 | |
| 305 | if (!set->crtc) |
| 306 | return -EINVAL; |
| 307 | |
| 308 | /* get the sou */ |
| 309 | crtc = set->crtc; |
| 310 | sou = vmw_crtc_to_sou(crtc); |
| 311 | vfb = set->fb ? vmw_framebuffer_to_vfb(set->fb) : NULL; |
| 312 | dev_priv = vmw_priv(crtc->dev); |
| 313 | |
| 314 | if (set->num_connectors > 1) { |
Sinclair Yeh | c8261a9 | 2015-06-26 01:23:42 -0700 | [diff] [blame] | 315 | DRM_ERROR("Too many connectors\n"); |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 316 | return -EINVAL; |
| 317 | } |
| 318 | |
| 319 | if (set->num_connectors == 1 && |
| 320 | set->connectors[0] != &sou->base.connector) { |
Sinclair Yeh | c8261a9 | 2015-06-26 01:23:42 -0700 | [diff] [blame] | 321 | DRM_ERROR("Connector doesn't match %p %p\n", |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 322 | set->connectors[0], &sou->base.connector); |
| 323 | return -EINVAL; |
| 324 | } |
| 325 | |
| 326 | /* sou only supports one fb active at the time */ |
Thomas Hellstrom | 6987427 | 2011-11-02 09:43:11 +0100 | [diff] [blame] | 327 | if (sou->base.is_implicit && |
| 328 | dev_priv->sou_priv->implicit_fb && vfb && |
| 329 | !(dev_priv->sou_priv->num_implicit == 1 && |
| 330 | sou->active_implicit) && |
| 331 | dev_priv->sou_priv->implicit_fb != vfb) { |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 332 | DRM_ERROR("Multiple framebuffers not supported\n"); |
| 333 | return -EINVAL; |
| 334 | } |
| 335 | |
| 336 | /* since they always map one to one these are safe */ |
| 337 | connector = &sou->base.connector; |
| 338 | encoder = &sou->base.encoder; |
| 339 | |
| 340 | /* should we turn the crtc off */ |
| 341 | if (set->num_connectors == 0 || !set->mode || !set->fb) { |
| 342 | ret = vmw_sou_fifo_destroy(dev_priv, sou); |
| 343 | /* the hardware has hung don't do anything more */ |
| 344 | if (unlikely(ret != 0)) |
| 345 | return ret; |
| 346 | |
| 347 | connector->encoder = NULL; |
| 348 | encoder->crtc = NULL; |
Matt Roper | f4510a2 | 2014-04-01 15:22:40 -0700 | [diff] [blame] | 349 | crtc->primary->fb = NULL; |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 350 | crtc->x = 0; |
| 351 | crtc->y = 0; |
Thomas Hellstrom | c6c1f32 | 2013-11-14 03:11:10 -0800 | [diff] [blame] | 352 | crtc->enabled = false; |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 353 | |
| 354 | vmw_sou_del_active(dev_priv, sou); |
| 355 | |
| 356 | vmw_sou_backing_free(dev_priv, sou); |
| 357 | |
| 358 | return 0; |
| 359 | } |
| 360 | |
| 361 | |
| 362 | /* we now know we want to set a mode */ |
| 363 | mode = set->mode; |
| 364 | fb = set->fb; |
| 365 | |
| 366 | if (set->x + mode->hdisplay > fb->width || |
| 367 | set->y + mode->vdisplay > fb->height) { |
| 368 | DRM_ERROR("set outside of framebuffer\n"); |
| 369 | return -EINVAL; |
| 370 | } |
| 371 | |
Thomas Hellstrom | 153b3d5 | 2015-06-25 10:47:43 -0700 | [diff] [blame] | 372 | vmw_svga_enable(dev_priv); |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 373 | |
| 374 | if (mode->hdisplay != crtc->mode.hdisplay || |
| 375 | mode->vdisplay != crtc->mode.vdisplay) { |
| 376 | /* no need to check if depth is different, because backing |
| 377 | * store depth is forced to 4 by the device. |
| 378 | */ |
| 379 | |
| 380 | ret = vmw_sou_fifo_destroy(dev_priv, sou); |
| 381 | /* the hardware has hung don't do anything more */ |
| 382 | if (unlikely(ret != 0)) |
| 383 | return ret; |
| 384 | |
| 385 | vmw_sou_backing_free(dev_priv, sou); |
| 386 | } |
| 387 | |
| 388 | if (!sou->buffer) { |
| 389 | /* forced to depth 4 by the device */ |
| 390 | size_t size = mode->hdisplay * mode->vdisplay * 4; |
| 391 | ret = vmw_sou_backing_alloc(dev_priv, sou, size); |
| 392 | if (unlikely(ret != 0)) |
| 393 | return ret; |
| 394 | } |
| 395 | |
| 396 | ret = vmw_sou_fifo_create(dev_priv, sou, set->x, set->y, mode); |
| 397 | if (unlikely(ret != 0)) { |
| 398 | /* |
| 399 | * We are in a bit of a situation here, the hardware has |
| 400 | * hung and we may or may not have a buffer hanging of |
| 401 | * the screen object, best thing to do is not do anything |
| 402 | * if we where defined, if not just turn the crtc of. |
| 403 | * Not what userspace wants but it needs to htfu. |
| 404 | */ |
| 405 | if (sou->defined) |
| 406 | return ret; |
| 407 | |
| 408 | connector->encoder = NULL; |
| 409 | encoder->crtc = NULL; |
Matt Roper | f4510a2 | 2014-04-01 15:22:40 -0700 | [diff] [blame] | 410 | crtc->primary->fb = NULL; |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 411 | crtc->x = 0; |
| 412 | crtc->y = 0; |
Thomas Hellstrom | c6c1f32 | 2013-11-14 03:11:10 -0800 | [diff] [blame] | 413 | crtc->enabled = false; |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 414 | |
| 415 | return ret; |
| 416 | } |
| 417 | |
| 418 | vmw_sou_add_active(dev_priv, sou, vfb); |
| 419 | |
| 420 | connector->encoder = encoder; |
| 421 | encoder->crtc = crtc; |
| 422 | crtc->mode = *mode; |
Matt Roper | f4510a2 | 2014-04-01 15:22:40 -0700 | [diff] [blame] | 423 | crtc->primary->fb = fb; |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 424 | crtc->x = set->x; |
| 425 | crtc->y = set->y; |
Thomas Hellstrom | c6c1f32 | 2013-11-14 03:11:10 -0800 | [diff] [blame] | 426 | crtc->enabled = true; |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 427 | |
| 428 | return 0; |
| 429 | } |
| 430 | |
Sinclair Yeh | c8261a9 | 2015-06-26 01:23:42 -0700 | [diff] [blame] | 431 | /** |
| 432 | * Returns if this unit can be page flipped. |
| 433 | * Must be called with the mode_config mutex held. |
| 434 | */ |
| 435 | static bool vmw_sou_screen_object_flippable(struct vmw_private *dev_priv, |
| 436 | struct drm_crtc *crtc) |
| 437 | { |
| 438 | struct vmw_screen_object_unit *sou = vmw_crtc_to_sou(crtc); |
| 439 | |
| 440 | if (!sou->base.is_implicit) |
| 441 | return true; |
| 442 | |
| 443 | if (dev_priv->sou_priv->num_implicit != 1) |
| 444 | return false; |
| 445 | |
| 446 | return true; |
| 447 | } |
| 448 | |
| 449 | /** |
| 450 | * Update the implicit fb to the current fb of this crtc. |
| 451 | * Must be called with the mode_config mutex held. |
| 452 | */ |
Thomas Hellstrom | b9eb1a6 | 2015-04-02 02:39:45 -0700 | [diff] [blame] | 453 | static void vmw_sou_update_implicit_fb(struct vmw_private *dev_priv, |
| 454 | struct drm_crtc *crtc) |
Sinclair Yeh | c8261a9 | 2015-06-26 01:23:42 -0700 | [diff] [blame] | 455 | { |
| 456 | struct vmw_screen_object_unit *sou = vmw_crtc_to_sou(crtc); |
| 457 | |
| 458 | BUG_ON(!sou->base.is_implicit); |
| 459 | |
| 460 | dev_priv->sou_priv->implicit_fb = |
| 461 | vmw_framebuffer_to_vfb(sou->base.crtc.primary->fb); |
| 462 | } |
| 463 | |
| 464 | static int vmw_sou_crtc_page_flip(struct drm_crtc *crtc, |
| 465 | struct drm_framebuffer *fb, |
| 466 | struct drm_pending_vblank_event *event, |
| 467 | uint32_t flags) |
| 468 | { |
| 469 | struct vmw_private *dev_priv = vmw_priv(crtc->dev); |
| 470 | struct drm_framebuffer *old_fb = crtc->primary->fb; |
| 471 | struct vmw_framebuffer *vfb = vmw_framebuffer_to_vfb(fb); |
Sinclair Yeh | c8261a9 | 2015-06-26 01:23:42 -0700 | [diff] [blame] | 472 | struct vmw_fence_obj *fence = NULL; |
| 473 | struct drm_clip_rect clips; |
| 474 | int ret; |
| 475 | |
| 476 | /* require ScreenObject support for page flipping */ |
| 477 | if (!dev_priv->sou_priv) |
| 478 | return -ENOSYS; |
| 479 | |
| 480 | if (!vmw_sou_screen_object_flippable(dev_priv, crtc)) |
| 481 | return -EINVAL; |
| 482 | |
| 483 | crtc->primary->fb = fb; |
| 484 | |
| 485 | /* do a full screen dirty update */ |
| 486 | clips.x1 = clips.y1 = 0; |
| 487 | clips.x2 = fb->width; |
| 488 | clips.y2 = fb->height; |
| 489 | |
| 490 | if (vfb->dmabuf) |
Thomas Hellstrom | 10b1e0c | 2015-06-26 02:14:27 -0700 | [diff] [blame] | 491 | ret = vmw_kms_sou_do_dmabuf_dirty(dev_priv, vfb, |
| 492 | &clips, 1, 1, |
| 493 | true, &fence); |
Sinclair Yeh | c8261a9 | 2015-06-26 01:23:42 -0700 | [diff] [blame] | 494 | else |
Thomas Hellstrom | 10b1e0c | 2015-06-26 02:14:27 -0700 | [diff] [blame] | 495 | ret = vmw_kms_sou_do_surface_dirty(dev_priv, vfb, |
| 496 | &clips, NULL, NULL, |
| 497 | 0, 0, 1, 1, &fence); |
Sinclair Yeh | c8261a9 | 2015-06-26 01:23:42 -0700 | [diff] [blame] | 498 | |
| 499 | |
| 500 | if (ret != 0) |
| 501 | goto out_no_fence; |
| 502 | if (!fence) { |
| 503 | ret = -EINVAL; |
| 504 | goto out_no_fence; |
| 505 | } |
| 506 | |
Thomas Hellstrom | 10b1e0c | 2015-06-26 02:14:27 -0700 | [diff] [blame] | 507 | if (event) { |
| 508 | struct drm_file *file_priv = event->base.file_priv; |
| 509 | |
| 510 | ret = vmw_event_fence_action_queue(file_priv, fence, |
| 511 | &event->base, |
| 512 | &event->event.tv_sec, |
| 513 | &event->event.tv_usec, |
| 514 | true); |
| 515 | } |
Sinclair Yeh | c8261a9 | 2015-06-26 01:23:42 -0700 | [diff] [blame] | 516 | |
| 517 | /* |
| 518 | * No need to hold on to this now. The only cleanup |
| 519 | * we need to do if we fail is unref the fence. |
| 520 | */ |
| 521 | vmw_fence_obj_unreference(&fence); |
| 522 | |
| 523 | if (vmw_crtc_to_du(crtc)->is_implicit) |
| 524 | vmw_sou_update_implicit_fb(dev_priv, crtc); |
| 525 | |
| 526 | return ret; |
| 527 | |
| 528 | out_no_fence: |
| 529 | crtc->primary->fb = old_fb; |
| 530 | return ret; |
| 531 | } |
| 532 | |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 533 | static struct drm_crtc_funcs vmw_screen_object_crtc_funcs = { |
| 534 | .save = vmw_du_crtc_save, |
| 535 | .restore = vmw_du_crtc_restore, |
Thomas Hellstrom | 8fbf9d9 | 2015-11-26 19:45:16 +0100 | [diff] [blame] | 536 | .cursor_set2 = vmw_du_crtc_cursor_set2, |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 537 | .cursor_move = vmw_du_crtc_cursor_move, |
| 538 | .gamma_set = vmw_du_crtc_gamma_set, |
| 539 | .destroy = vmw_sou_crtc_destroy, |
| 540 | .set_config = vmw_sou_crtc_set_config, |
Sinclair Yeh | c8261a9 | 2015-06-26 01:23:42 -0700 | [diff] [blame] | 541 | .page_flip = vmw_sou_crtc_page_flip, |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 542 | }; |
| 543 | |
| 544 | /* |
| 545 | * Screen Object Display Unit encoder functions |
| 546 | */ |
| 547 | |
| 548 | static void vmw_sou_encoder_destroy(struct drm_encoder *encoder) |
| 549 | { |
| 550 | vmw_sou_destroy(vmw_encoder_to_sou(encoder)); |
| 551 | } |
| 552 | |
| 553 | static struct drm_encoder_funcs vmw_screen_object_encoder_funcs = { |
| 554 | .destroy = vmw_sou_encoder_destroy, |
| 555 | }; |
| 556 | |
| 557 | /* |
| 558 | * Screen Object Display Unit connector functions |
| 559 | */ |
| 560 | |
| 561 | static void vmw_sou_connector_destroy(struct drm_connector *connector) |
| 562 | { |
| 563 | vmw_sou_destroy(vmw_connector_to_sou(connector)); |
| 564 | } |
| 565 | |
Sinclair Yeh | c8261a9 | 2015-06-26 01:23:42 -0700 | [diff] [blame] | 566 | static struct drm_connector_funcs vmw_sou_connector_funcs = { |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 567 | .dpms = vmw_du_connector_dpms, |
| 568 | .save = vmw_du_connector_save, |
| 569 | .restore = vmw_du_connector_restore, |
| 570 | .detect = vmw_du_connector_detect, |
| 571 | .fill_modes = vmw_du_connector_fill_modes, |
| 572 | .set_property = vmw_du_connector_set_property, |
| 573 | .destroy = vmw_sou_connector_destroy, |
| 574 | }; |
| 575 | |
| 576 | static int vmw_sou_init(struct vmw_private *dev_priv, unsigned unit) |
| 577 | { |
| 578 | struct vmw_screen_object_unit *sou; |
| 579 | struct drm_device *dev = dev_priv->dev; |
| 580 | struct drm_connector *connector; |
| 581 | struct drm_encoder *encoder; |
| 582 | struct drm_crtc *crtc; |
| 583 | |
| 584 | sou = kzalloc(sizeof(*sou), GFP_KERNEL); |
| 585 | if (!sou) |
| 586 | return -ENOMEM; |
| 587 | |
| 588 | sou->base.unit = unit; |
| 589 | crtc = &sou->base.crtc; |
| 590 | encoder = &sou->base.encoder; |
| 591 | connector = &sou->base.connector; |
| 592 | |
Thomas Hellstrom | 6987427 | 2011-11-02 09:43:11 +0100 | [diff] [blame] | 593 | sou->active_implicit = false; |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 594 | |
| 595 | sou->base.pref_active = (unit == 0); |
Jakob Bornecrantz | eb4f923 | 2012-02-09 16:56:46 +0100 | [diff] [blame] | 596 | sou->base.pref_width = dev_priv->initial_width; |
| 597 | sou->base.pref_height = dev_priv->initial_height; |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 598 | sou->base.pref_mode = NULL; |
Thomas Hellstrom | 6987427 | 2011-11-02 09:43:11 +0100 | [diff] [blame] | 599 | sou->base.is_implicit = true; |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 600 | |
Sinclair Yeh | c8261a9 | 2015-06-26 01:23:42 -0700 | [diff] [blame] | 601 | drm_connector_init(dev, connector, &vmw_sou_connector_funcs, |
Thomas Hellstrom | 305151e | 2011-10-22 10:36:20 +0200 | [diff] [blame] | 602 | DRM_MODE_CONNECTOR_VIRTUAL); |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 603 | connector->status = vmw_du_connector_detect(connector, true); |
| 604 | |
| 605 | drm_encoder_init(dev, encoder, &vmw_screen_object_encoder_funcs, |
Thomas Hellstrom | 305151e | 2011-10-22 10:36:20 +0200 | [diff] [blame] | 606 | DRM_MODE_ENCODER_VIRTUAL); |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 607 | drm_mode_connector_attach_encoder(connector, encoder); |
| 608 | encoder->possible_crtcs = (1 << unit); |
| 609 | encoder->possible_clones = 0; |
| 610 | |
Thomas Wood | 34ea3d3 | 2014-05-29 16:57:41 +0100 | [diff] [blame] | 611 | (void) drm_connector_register(connector); |
Thomas Hellstrom | 6a0a7a9 | 2013-12-02 06:04:38 -0800 | [diff] [blame] | 612 | |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 613 | drm_crtc_init(dev, crtc, &vmw_screen_object_crtc_funcs); |
| 614 | |
| 615 | drm_mode_crtc_set_gamma_size(crtc, 256); |
| 616 | |
Rob Clark | b8b163b | 2012-10-11 20:47:14 -0500 | [diff] [blame] | 617 | drm_object_attach_property(&connector->base, |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 618 | dev->mode_config.dirty_info_property, |
| 619 | 1); |
| 620 | |
| 621 | return 0; |
| 622 | } |
| 623 | |
Sinclair Yeh | c8261a9 | 2015-06-26 01:23:42 -0700 | [diff] [blame] | 624 | int vmw_kms_sou_init_display(struct vmw_private *dev_priv) |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 625 | { |
| 626 | struct drm_device *dev = dev_priv->dev; |
Jakob Bornecrantz | 74b5ea3 | 2011-10-17 11:59:44 +0200 | [diff] [blame] | 627 | int i, ret; |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 628 | |
| 629 | if (dev_priv->sou_priv) { |
| 630 | DRM_INFO("sou system already on\n"); |
| 631 | return -EINVAL; |
| 632 | } |
| 633 | |
Thomas Hellstrom | 29a16e9 | 2012-11-09 12:26:13 +0000 | [diff] [blame] | 634 | if (!(dev_priv->capabilities & SVGA_CAP_SCREEN_OBJECT_2)) { |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 635 | DRM_INFO("Not using screen objects," |
| 636 | " missing cap SCREEN_OBJECT_2\n"); |
| 637 | return -ENOSYS; |
| 638 | } |
| 639 | |
| 640 | ret = -ENOMEM; |
| 641 | dev_priv->sou_priv = kmalloc(sizeof(*dev_priv->sou_priv), GFP_KERNEL); |
| 642 | if (unlikely(!dev_priv->sou_priv)) |
| 643 | goto err_no_mem; |
| 644 | |
Thomas Hellstrom | 6987427 | 2011-11-02 09:43:11 +0100 | [diff] [blame] | 645 | dev_priv->sou_priv->num_implicit = 0; |
| 646 | dev_priv->sou_priv->implicit_fb = NULL; |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 647 | |
| 648 | ret = drm_vblank_init(dev, VMWGFX_NUM_DISPLAY_UNITS); |
| 649 | if (unlikely(ret != 0)) |
| 650 | goto err_free; |
| 651 | |
Jakob Bornecrantz | 74b5ea3 | 2011-10-17 11:59:44 +0200 | [diff] [blame] | 652 | ret = drm_mode_create_dirty_info_property(dev); |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 653 | if (unlikely(ret != 0)) |
| 654 | goto err_vblank_cleanup; |
| 655 | |
| 656 | for (i = 0; i < VMWGFX_NUM_DISPLAY_UNITS; ++i) |
| 657 | vmw_sou_init(dev_priv, i); |
| 658 | |
Sinclair Yeh | c8261a9 | 2015-06-26 01:23:42 -0700 | [diff] [blame] | 659 | dev_priv->active_display_unit = vmw_du_screen_object; |
| 660 | |
| 661 | DRM_INFO("Screen Objects Display Unit initialized\n"); |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 662 | |
| 663 | return 0; |
| 664 | |
| 665 | err_vblank_cleanup: |
| 666 | drm_vblank_cleanup(dev); |
| 667 | err_free: |
| 668 | kfree(dev_priv->sou_priv); |
Jakob Bornecrantz | 60a16a3 | 2011-10-17 11:59:43 +0200 | [diff] [blame] | 669 | dev_priv->sou_priv = NULL; |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 670 | err_no_mem: |
| 671 | return ret; |
| 672 | } |
| 673 | |
Sinclair Yeh | c8261a9 | 2015-06-26 01:23:42 -0700 | [diff] [blame] | 674 | int vmw_kms_sou_close_display(struct vmw_private *dev_priv) |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 675 | { |
| 676 | struct drm_device *dev = dev_priv->dev; |
| 677 | |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 678 | if (!dev_priv->sou_priv) |
| 679 | return -ENOSYS; |
| 680 | |
Jakob Bornecrantz | 60a16a3 | 2011-10-17 11:59:43 +0200 | [diff] [blame] | 681 | drm_vblank_cleanup(dev); |
| 682 | |
Jakob Bornecrantz | 56d1c78 | 2011-10-04 20:13:22 +0200 | [diff] [blame] | 683 | kfree(dev_priv->sou_priv); |
| 684 | |
| 685 | return 0; |
| 686 | } |
Jakob Bornecrantz | b5ec427 | 2012-02-09 16:56:45 +0100 | [diff] [blame] | 687 | |
Thomas Hellstrom | 10b1e0c | 2015-06-26 02:14:27 -0700 | [diff] [blame] | 688 | static int do_dmabuf_define_gmrfb(struct vmw_private *dev_priv, |
Sinclair Yeh | c8261a9 | 2015-06-26 01:23:42 -0700 | [diff] [blame] | 689 | struct vmw_framebuffer *framebuffer) |
Jakob Bornecrantz | b5ec427 | 2012-02-09 16:56:45 +0100 | [diff] [blame] | 690 | { |
Thomas Hellstrom | 10b1e0c | 2015-06-26 02:14:27 -0700 | [diff] [blame] | 691 | struct vmw_dma_buffer *buf = |
| 692 | container_of(framebuffer, struct vmw_framebuffer_dmabuf, |
| 693 | base)->buffer; |
Sinclair Yeh | c8261a9 | 2015-06-26 01:23:42 -0700 | [diff] [blame] | 694 | int depth = framebuffer->base.depth; |
Sinclair Yeh | c8261a9 | 2015-06-26 01:23:42 -0700 | [diff] [blame] | 695 | struct { |
| 696 | uint32_t header; |
| 697 | SVGAFifoCmdDefineGMRFB body; |
| 698 | } *cmd; |
Jakob Bornecrantz | b5ec427 | 2012-02-09 16:56:45 +0100 | [diff] [blame] | 699 | |
Sinclair Yeh | c8261a9 | 2015-06-26 01:23:42 -0700 | [diff] [blame] | 700 | /* Emulate RGBA support, contrary to svga_reg.h this is not |
| 701 | * supported by hosts. This is only a problem if we are reading |
| 702 | * this value later and expecting what we uploaded back. |
| 703 | */ |
| 704 | if (depth == 32) |
| 705 | depth = 24; |
Jakob Bornecrantz | b5ec427 | 2012-02-09 16:56:45 +0100 | [diff] [blame] | 706 | |
Thomas Hellstrom | 10b1e0c | 2015-06-26 02:14:27 -0700 | [diff] [blame] | 707 | cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd)); |
| 708 | if (!cmd) { |
| 709 | DRM_ERROR("Out of fifo space for dirty framebuffer command.\n"); |
Sinclair Yeh | c8261a9 | 2015-06-26 01:23:42 -0700 | [diff] [blame] | 710 | return -ENOMEM; |
| 711 | } |
| 712 | |
Sinclair Yeh | c8261a9 | 2015-06-26 01:23:42 -0700 | [diff] [blame] | 713 | cmd->header = SVGA_CMD_DEFINE_GMRFB; |
| 714 | cmd->body.format.bitsPerPixel = framebuffer->base.bits_per_pixel; |
| 715 | cmd->body.format.colorDepth = depth; |
| 716 | cmd->body.format.reserved = 0; |
| 717 | cmd->body.bytesPerLine = framebuffer->base.pitches[0]; |
Thomas Hellstrom | 10b1e0c | 2015-06-26 02:14:27 -0700 | [diff] [blame] | 718 | /* Buffer is reserved in vram or GMR */ |
| 719 | vmw_bo_get_guest_ptr(&buf->base, &cmd->body.ptr); |
| 720 | vmw_fifo_commit(dev_priv, sizeof(*cmd)); |
Sinclair Yeh | c8261a9 | 2015-06-26 01:23:42 -0700 | [diff] [blame] | 721 | |
Thomas Hellstrom | 10b1e0c | 2015-06-26 02:14:27 -0700 | [diff] [blame] | 722 | return 0; |
| 723 | } |
Sinclair Yeh | c8261a9 | 2015-06-26 01:23:42 -0700 | [diff] [blame] | 724 | |
Thomas Hellstrom | 10b1e0c | 2015-06-26 02:14:27 -0700 | [diff] [blame] | 725 | /** |
| 726 | * vmw_sou_surface_fifo_commit - Callback to fill in and submit a |
| 727 | * blit surface to screen command. |
| 728 | * |
| 729 | * @dirty: The closure structure. |
| 730 | * |
| 731 | * Fills in the missing fields in the command, and translates the cliprects |
| 732 | * to match the destination bounding box encoded. |
| 733 | */ |
| 734 | static void vmw_sou_surface_fifo_commit(struct vmw_kms_dirty *dirty) |
| 735 | { |
| 736 | struct vmw_kms_sou_surface_dirty *sdirty = |
| 737 | container_of(dirty, typeof(*sdirty), base); |
| 738 | struct vmw_kms_sou_dirty_cmd *cmd = dirty->cmd; |
| 739 | s32 trans_x = dirty->unit->crtc.x - sdirty->dst_x; |
| 740 | s32 trans_y = dirty->unit->crtc.y - sdirty->dst_y; |
| 741 | size_t region_size = dirty->num_hits * sizeof(SVGASignedRect); |
| 742 | SVGASignedRect *blit = (SVGASignedRect *) &cmd[1]; |
| 743 | int i; |
| 744 | |
| 745 | cmd->header.id = SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN; |
| 746 | cmd->header.size = sizeof(cmd->body) + region_size; |
| 747 | |
| 748 | /* |
| 749 | * Use the destination bounding box to specify destination - and |
| 750 | * source bounding regions. |
| 751 | */ |
| 752 | cmd->body.destRect.left = sdirty->left; |
| 753 | cmd->body.destRect.right = sdirty->right; |
| 754 | cmd->body.destRect.top = sdirty->top; |
| 755 | cmd->body.destRect.bottom = sdirty->bottom; |
| 756 | |
| 757 | cmd->body.srcRect.left = sdirty->left + trans_x; |
| 758 | cmd->body.srcRect.right = sdirty->right + trans_x; |
| 759 | cmd->body.srcRect.top = sdirty->top + trans_y; |
| 760 | cmd->body.srcRect.bottom = sdirty->bottom + trans_y; |
| 761 | |
| 762 | cmd->body.srcImage.sid = sdirty->sid; |
| 763 | cmd->body.destScreenId = dirty->unit->unit; |
| 764 | |
| 765 | /* Blits are relative to the destination rect. Translate. */ |
| 766 | for (i = 0; i < dirty->num_hits; ++i, ++blit) { |
| 767 | blit->left -= sdirty->left; |
| 768 | blit->right -= sdirty->left; |
| 769 | blit->top -= sdirty->top; |
| 770 | blit->bottom -= sdirty->top; |
| 771 | } |
| 772 | |
| 773 | vmw_fifo_commit(dirty->dev_priv, region_size + sizeof(*cmd)); |
| 774 | |
| 775 | sdirty->left = sdirty->top = S32_MAX; |
| 776 | sdirty->right = sdirty->bottom = S32_MIN; |
| 777 | } |
| 778 | |
| 779 | /** |
| 780 | * vmw_sou_surface_clip - Callback to encode a blit surface to screen cliprect. |
| 781 | * |
| 782 | * @dirty: The closure structure |
| 783 | * |
| 784 | * Encodes a SVGASignedRect cliprect and updates the bounding box of the |
| 785 | * BLIT_SURFACE_TO_SCREEN command. |
| 786 | */ |
| 787 | static void vmw_sou_surface_clip(struct vmw_kms_dirty *dirty) |
| 788 | { |
| 789 | struct vmw_kms_sou_surface_dirty *sdirty = |
| 790 | container_of(dirty, typeof(*sdirty), base); |
| 791 | struct vmw_kms_sou_dirty_cmd *cmd = dirty->cmd; |
| 792 | SVGASignedRect *blit = (SVGASignedRect *) &cmd[1]; |
| 793 | |
| 794 | /* Destination rect. */ |
| 795 | blit += dirty->num_hits; |
| 796 | blit->left = dirty->unit_x1; |
| 797 | blit->top = dirty->unit_y1; |
| 798 | blit->right = dirty->unit_x2; |
| 799 | blit->bottom = dirty->unit_y2; |
| 800 | |
| 801 | /* Destination bounding box */ |
| 802 | sdirty->left = min_t(s32, sdirty->left, dirty->unit_x1); |
| 803 | sdirty->top = min_t(s32, sdirty->top, dirty->unit_y1); |
| 804 | sdirty->right = max_t(s32, sdirty->right, dirty->unit_x2); |
| 805 | sdirty->bottom = max_t(s32, sdirty->bottom, dirty->unit_y2); |
| 806 | |
| 807 | dirty->num_hits++; |
| 808 | } |
| 809 | |
| 810 | /** |
| 811 | * vmw_kms_sou_do_surface_dirty - Dirty part of a surface backed framebuffer |
| 812 | * |
| 813 | * @dev_priv: Pointer to the device private structure. |
| 814 | * @framebuffer: Pointer to the surface-buffer backed framebuffer. |
| 815 | * @clips: Array of clip rects. Either @clips or @vclips must be NULL. |
| 816 | * @vclips: Alternate array of clip rects. Either @clips or @vclips must |
| 817 | * be NULL. |
| 818 | * @srf: Pointer to surface to blit from. If NULL, the surface attached |
| 819 | * to @framebuffer will be used. |
| 820 | * @dest_x: X coordinate offset to align @srf with framebuffer coordinates. |
| 821 | * @dest_y: Y coordinate offset to align @srf with framebuffer coordinates. |
| 822 | * @num_clips: Number of clip rects in @clips. |
| 823 | * @inc: Increment to use when looping over @clips. |
| 824 | * @out_fence: If non-NULL, will return a ref-counted pointer to a |
| 825 | * struct vmw_fence_obj. The returned fence pointer may be NULL in which |
| 826 | * case the device has already synchronized. |
| 827 | * |
| 828 | * Returns 0 on success, negative error code on failure. -ERESTARTSYS if |
| 829 | * interrupted. |
| 830 | */ |
| 831 | int vmw_kms_sou_do_surface_dirty(struct vmw_private *dev_priv, |
| 832 | struct vmw_framebuffer *framebuffer, |
| 833 | struct drm_clip_rect *clips, |
| 834 | struct drm_vmw_rect *vclips, |
| 835 | struct vmw_resource *srf, |
| 836 | s32 dest_x, |
| 837 | s32 dest_y, |
| 838 | unsigned num_clips, int inc, |
| 839 | struct vmw_fence_obj **out_fence) |
| 840 | { |
| 841 | struct vmw_framebuffer_surface *vfbs = |
| 842 | container_of(framebuffer, typeof(*vfbs), base); |
| 843 | struct vmw_kms_sou_surface_dirty sdirty; |
| 844 | int ret; |
| 845 | |
| 846 | if (!srf) |
| 847 | srf = &vfbs->surface->res; |
| 848 | |
| 849 | ret = vmw_kms_helper_resource_prepare(srf, true); |
| 850 | if (ret) |
| 851 | return ret; |
| 852 | |
| 853 | sdirty.base.fifo_commit = vmw_sou_surface_fifo_commit; |
| 854 | sdirty.base.clip = vmw_sou_surface_clip; |
| 855 | sdirty.base.dev_priv = dev_priv; |
| 856 | sdirty.base.fifo_reserve_size = sizeof(struct vmw_kms_sou_dirty_cmd) + |
| 857 | sizeof(SVGASignedRect) * num_clips; |
| 858 | |
| 859 | sdirty.sid = srf->id; |
| 860 | sdirty.left = sdirty.top = S32_MAX; |
| 861 | sdirty.right = sdirty.bottom = S32_MIN; |
| 862 | sdirty.dst_x = dest_x; |
| 863 | sdirty.dst_y = dest_y; |
| 864 | |
| 865 | ret = vmw_kms_helper_dirty(dev_priv, framebuffer, clips, vclips, |
| 866 | dest_x, dest_y, num_clips, inc, |
| 867 | &sdirty.base); |
| 868 | vmw_kms_helper_resource_finish(srf, out_fence); |
Sinclair Yeh | c8261a9 | 2015-06-26 01:23:42 -0700 | [diff] [blame] | 869 | |
| 870 | return ret; |
Jakob Bornecrantz | b5ec427 | 2012-02-09 16:56:45 +0100 | [diff] [blame] | 871 | } |
| 872 | |
Thomas Hellstrom | 10b1e0c | 2015-06-26 02:14:27 -0700 | [diff] [blame] | 873 | /** |
| 874 | * vmw_sou_dmabuf_fifo_commit - Callback to submit a set of readback clips. |
| 875 | * |
| 876 | * @dirty: The closure structure. |
| 877 | * |
| 878 | * Commits a previously built command buffer of readback clips. |
| 879 | */ |
| 880 | static void vmw_sou_dmabuf_fifo_commit(struct vmw_kms_dirty *dirty) |
| 881 | { |
| 882 | vmw_fifo_commit(dirty->dev_priv, |
| 883 | sizeof(struct vmw_kms_sou_dmabuf_blit) * |
| 884 | dirty->num_hits); |
| 885 | } |
| 886 | |
| 887 | /** |
| 888 | * vmw_sou_dmabuf_clip - Callback to encode a readback cliprect. |
| 889 | * |
| 890 | * @dirty: The closure structure |
| 891 | * |
| 892 | * Encodes a BLIT_GMRFB_TO_SCREEN cliprect. |
| 893 | */ |
| 894 | static void vmw_sou_dmabuf_clip(struct vmw_kms_dirty *dirty) |
| 895 | { |
| 896 | struct vmw_kms_sou_dmabuf_blit *blit = dirty->cmd; |
| 897 | |
| 898 | blit += dirty->num_hits; |
| 899 | blit->header = SVGA_CMD_BLIT_GMRFB_TO_SCREEN; |
| 900 | blit->body.destScreenId = dirty->unit->unit; |
| 901 | blit->body.srcOrigin.x = dirty->fb_x; |
| 902 | blit->body.srcOrigin.y = dirty->fb_y; |
| 903 | blit->body.destRect.left = dirty->unit_x1; |
| 904 | blit->body.destRect.top = dirty->unit_y1; |
| 905 | blit->body.destRect.right = dirty->unit_x2; |
| 906 | blit->body.destRect.bottom = dirty->unit_y2; |
| 907 | dirty->num_hits++; |
| 908 | } |
| 909 | |
| 910 | /** |
| 911 | * vmw_kms_do_dmabuf_dirty - Dirty part of a dma-buffer backed framebuffer |
| 912 | * |
| 913 | * @dev_priv: Pointer to the device private structure. |
| 914 | * @framebuffer: Pointer to the dma-buffer backed framebuffer. |
| 915 | * @clips: Array of clip rects. |
| 916 | * @num_clips: Number of clip rects in @clips. |
| 917 | * @increment: Increment to use when looping over @clips. |
| 918 | * @interruptible: Whether to perform waits interruptible if possible. |
| 919 | * @out_fence: If non-NULL, will return a ref-counted pointer to a |
| 920 | * struct vmw_fence_obj. The returned fence pointer may be NULL in which |
| 921 | * case the device has already synchronized. |
| 922 | * |
| 923 | * Returns 0 on success, negative error code on failure. -ERESTARTSYS if |
| 924 | * interrupted. |
| 925 | */ |
| 926 | int vmw_kms_sou_do_dmabuf_dirty(struct vmw_private *dev_priv, |
Sinclair Yeh | c8261a9 | 2015-06-26 01:23:42 -0700 | [diff] [blame] | 927 | struct vmw_framebuffer *framebuffer, |
Sinclair Yeh | c8261a9 | 2015-06-26 01:23:42 -0700 | [diff] [blame] | 928 | struct drm_clip_rect *clips, |
| 929 | unsigned num_clips, int increment, |
Thomas Hellstrom | 10b1e0c | 2015-06-26 02:14:27 -0700 | [diff] [blame] | 930 | bool interruptible, |
Sinclair Yeh | c8261a9 | 2015-06-26 01:23:42 -0700 | [diff] [blame] | 931 | struct vmw_fence_obj **out_fence) |
Jakob Bornecrantz | b5ec427 | 2012-02-09 16:56:45 +0100 | [diff] [blame] | 932 | { |
Thomas Hellstrom | 10b1e0c | 2015-06-26 02:14:27 -0700 | [diff] [blame] | 933 | struct vmw_dma_buffer *buf = |
| 934 | container_of(framebuffer, struct vmw_framebuffer_dmabuf, |
| 935 | base)->buffer; |
| 936 | struct vmw_kms_dirty dirty; |
| 937 | int ret; |
Jakob Bornecrantz | b5ec427 | 2012-02-09 16:56:45 +0100 | [diff] [blame] | 938 | |
Thomas Hellstrom | 10b1e0c | 2015-06-26 02:14:27 -0700 | [diff] [blame] | 939 | ret = vmw_kms_helper_buffer_prepare(dev_priv, buf, interruptible, |
| 940 | false); |
| 941 | if (ret) |
| 942 | return ret; |
Jakob Bornecrantz | b5ec427 | 2012-02-09 16:56:45 +0100 | [diff] [blame] | 943 | |
Thomas Hellstrom | 10b1e0c | 2015-06-26 02:14:27 -0700 | [diff] [blame] | 944 | ret = do_dmabuf_define_gmrfb(dev_priv, framebuffer); |
Sinclair Yeh | c8261a9 | 2015-06-26 01:23:42 -0700 | [diff] [blame] | 945 | if (unlikely(ret != 0)) |
Thomas Hellstrom | 10b1e0c | 2015-06-26 02:14:27 -0700 | [diff] [blame] | 946 | goto out_revert; |
Sinclair Yeh | c8261a9 | 2015-06-26 01:23:42 -0700 | [diff] [blame] | 947 | |
Thomas Hellstrom | 10b1e0c | 2015-06-26 02:14:27 -0700 | [diff] [blame] | 948 | dirty.fifo_commit = vmw_sou_dmabuf_fifo_commit; |
| 949 | dirty.clip = vmw_sou_dmabuf_clip; |
| 950 | dirty.fifo_reserve_size = sizeof(struct vmw_kms_sou_dmabuf_blit) * |
| 951 | num_clips; |
| 952 | ret = vmw_kms_helper_dirty(dev_priv, framebuffer, clips, NULL, |
| 953 | 0, 0, num_clips, increment, &dirty); |
| 954 | vmw_kms_helper_buffer_finish(dev_priv, NULL, buf, out_fence, NULL); |
Sinclair Yeh | c8261a9 | 2015-06-26 01:23:42 -0700 | [diff] [blame] | 955 | |
Thomas Hellstrom | 10b1e0c | 2015-06-26 02:14:27 -0700 | [diff] [blame] | 956 | return ret; |
Sinclair Yeh | c8261a9 | 2015-06-26 01:23:42 -0700 | [diff] [blame] | 957 | |
Thomas Hellstrom | 10b1e0c | 2015-06-26 02:14:27 -0700 | [diff] [blame] | 958 | out_revert: |
| 959 | vmw_kms_helper_buffer_revert(buf); |
Sinclair Yeh | c8261a9 | 2015-06-26 01:23:42 -0700 | [diff] [blame] | 960 | |
| 961 | return ret; |
Jakob Bornecrantz | b5ec427 | 2012-02-09 16:56:45 +0100 | [diff] [blame] | 962 | } |
Sinclair Yeh | c8261a9 | 2015-06-26 01:23:42 -0700 | [diff] [blame] | 963 | |
Thomas Hellstrom | 10b1e0c | 2015-06-26 02:14:27 -0700 | [diff] [blame] | 964 | |
| 965 | /** |
| 966 | * vmw_sou_readback_fifo_commit - Callback to submit a set of readback clips. |
| 967 | * |
| 968 | * @dirty: The closure structure. |
| 969 | * |
| 970 | * Commits a previously built command buffer of readback clips. |
| 971 | */ |
| 972 | static void vmw_sou_readback_fifo_commit(struct vmw_kms_dirty *dirty) |
| 973 | { |
| 974 | vmw_fifo_commit(dirty->dev_priv, |
| 975 | sizeof(struct vmw_kms_sou_readback_blit) * |
| 976 | dirty->num_hits); |
| 977 | } |
| 978 | |
| 979 | /** |
| 980 | * vmw_sou_readback_clip - Callback to encode a readback cliprect. |
| 981 | * |
| 982 | * @dirty: The closure structure |
| 983 | * |
| 984 | * Encodes a BLIT_SCREEN_TO_GMRFB cliprect. |
| 985 | */ |
| 986 | static void vmw_sou_readback_clip(struct vmw_kms_dirty *dirty) |
| 987 | { |
| 988 | struct vmw_kms_sou_readback_blit *blit = dirty->cmd; |
| 989 | |
| 990 | blit += dirty->num_hits; |
| 991 | blit->header = SVGA_CMD_BLIT_SCREEN_TO_GMRFB; |
| 992 | blit->body.srcScreenId = dirty->unit->unit; |
| 993 | blit->body.destOrigin.x = dirty->fb_x; |
| 994 | blit->body.destOrigin.y = dirty->fb_y; |
| 995 | blit->body.srcRect.left = dirty->unit_x1; |
| 996 | blit->body.srcRect.top = dirty->unit_y1; |
| 997 | blit->body.srcRect.right = dirty->unit_x2; |
| 998 | blit->body.srcRect.bottom = dirty->unit_y2; |
| 999 | dirty->num_hits++; |
| 1000 | } |
| 1001 | |
| 1002 | /** |
| 1003 | * vmw_kms_sou_readback - Perform a readback from the screen object system to |
| 1004 | * a dma-buffer backed framebuffer. |
| 1005 | * |
| 1006 | * @dev_priv: Pointer to the device private structure. |
| 1007 | * @file_priv: Pointer to a struct drm_file identifying the caller. |
| 1008 | * Must be set to NULL if @user_fence_rep is NULL. |
| 1009 | * @vfb: Pointer to the dma-buffer backed framebuffer. |
| 1010 | * @user_fence_rep: User-space provided structure for fence information. |
| 1011 | * Must be set to non-NULL if @file_priv is non-NULL. |
| 1012 | * @vclips: Array of clip rects. |
| 1013 | * @num_clips: Number of clip rects in @vclips. |
| 1014 | * |
| 1015 | * Returns 0 on success, negative error code on failure. -ERESTARTSYS if |
| 1016 | * interrupted. |
| 1017 | */ |
| 1018 | int vmw_kms_sou_readback(struct vmw_private *dev_priv, |
| 1019 | struct drm_file *file_priv, |
| 1020 | struct vmw_framebuffer *vfb, |
| 1021 | struct drm_vmw_fence_rep __user *user_fence_rep, |
| 1022 | struct drm_vmw_rect *vclips, |
| 1023 | uint32_t num_clips) |
| 1024 | { |
| 1025 | struct vmw_dma_buffer *buf = |
| 1026 | container_of(vfb, struct vmw_framebuffer_dmabuf, base)->buffer; |
| 1027 | struct vmw_kms_dirty dirty; |
| 1028 | int ret; |
| 1029 | |
| 1030 | ret = vmw_kms_helper_buffer_prepare(dev_priv, buf, true, false); |
| 1031 | if (ret) |
| 1032 | return ret; |
| 1033 | |
| 1034 | ret = do_dmabuf_define_gmrfb(dev_priv, vfb); |
| 1035 | if (unlikely(ret != 0)) |
| 1036 | goto out_revert; |
| 1037 | |
| 1038 | dirty.fifo_commit = vmw_sou_readback_fifo_commit; |
| 1039 | dirty.clip = vmw_sou_readback_clip; |
| 1040 | dirty.fifo_reserve_size = sizeof(struct vmw_kms_sou_readback_blit) * |
| 1041 | num_clips; |
| 1042 | ret = vmw_kms_helper_dirty(dev_priv, vfb, NULL, vclips, |
| 1043 | 0, 0, num_clips, 1, &dirty); |
| 1044 | vmw_kms_helper_buffer_finish(dev_priv, file_priv, buf, NULL, |
| 1045 | user_fence_rep); |
| 1046 | |
| 1047 | return ret; |
| 1048 | |
| 1049 | out_revert: |
| 1050 | vmw_kms_helper_buffer_revert(buf); |
| 1051 | |
| 1052 | return ret; |
| 1053 | } |