Sinclair Yeh | 35c0512 | 2015-06-26 01:42:06 -0700 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * |
Sinclair Yeh | 54fbde8 | 2015-07-29 12:38:02 -0700 | [diff] [blame] | 3 | * COPYRIGHT © 2014-2015 VMware, Inc., Palo Alto, CA., USA |
Sinclair Yeh | 35c0512 | 2015-06-26 01:42:06 -0700 | [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" |
Sinclair Yeh | 8ce75f8 | 2015-07-08 21:20:39 -0700 | [diff] [blame] | 29 | #include "device_include/svga3d_surfacedefs.h" |
Sinclair Yeh | 35c0512 | 2015-06-26 01:42:06 -0700 | [diff] [blame] | 30 | #include <drm/drm_plane_helper.h> |
| 31 | |
| 32 | #define vmw_crtc_to_stdu(x) \ |
| 33 | container_of(x, struct vmw_screen_target_display_unit, base.crtc) |
| 34 | #define vmw_encoder_to_stdu(x) \ |
| 35 | container_of(x, struct vmw_screen_target_display_unit, base.encoder) |
| 36 | #define vmw_connector_to_stdu(x) \ |
| 37 | container_of(x, struct vmw_screen_target_display_unit, base.connector) |
| 38 | |
| 39 | |
| 40 | |
| 41 | enum stdu_content_type { |
| 42 | SAME_AS_DISPLAY = 0, |
| 43 | SEPARATE_SURFACE, |
| 44 | SEPARATE_DMA |
| 45 | }; |
| 46 | |
Thomas Hellstrom | 6bf6bf0 | 2015-06-26 02:22:40 -0700 | [diff] [blame] | 47 | /** |
| 48 | * struct vmw_stdu_dirty - closure structure for the update functions |
| 49 | * |
| 50 | * @base: The base type we derive from. Used by vmw_kms_helper_dirty(). |
| 51 | * @transfer: Transfer direction for DMA command. |
| 52 | * @left: Left side of bounding box. |
| 53 | * @right: Right side of bounding box. |
| 54 | * @top: Top side of bounding box. |
| 55 | * @bottom: Bottom side of bounding box. |
| 56 | * @buf: DMA buffer when DMA-ing between buffer and screen targets. |
| 57 | * @sid: Surface ID when copying between surface and screen targets. |
| 58 | */ |
| 59 | struct vmw_stdu_dirty { |
| 60 | struct vmw_kms_dirty base; |
| 61 | SVGA3dTransferType transfer; |
| 62 | s32 left, right, top, bottom; |
| 63 | u32 pitch; |
| 64 | union { |
| 65 | struct vmw_dma_buffer *buf; |
| 66 | u32 sid; |
| 67 | }; |
| 68 | }; |
| 69 | |
| 70 | /* |
| 71 | * SVGA commands that are used by this code. Please see the device headers |
| 72 | * for explanation. |
| 73 | */ |
| 74 | struct vmw_stdu_update { |
| 75 | SVGA3dCmdHeader header; |
| 76 | SVGA3dCmdUpdateGBScreenTarget body; |
| 77 | }; |
| 78 | |
| 79 | struct vmw_stdu_dma { |
| 80 | SVGA3dCmdHeader header; |
| 81 | SVGA3dCmdSurfaceDMA body; |
| 82 | }; |
| 83 | |
| 84 | struct vmw_stdu_surface_copy { |
| 85 | SVGA3dCmdHeader header; |
| 86 | SVGA3dCmdSurfaceCopy body; |
| 87 | }; |
Sinclair Yeh | 35c0512 | 2015-06-26 01:42:06 -0700 | [diff] [blame] | 88 | |
| 89 | |
| 90 | /** |
| 91 | * struct vmw_screen_target_display_unit |
| 92 | * |
| 93 | * @base: VMW specific DU structure |
| 94 | * @display_srf: surface to be displayed. The dimension of this will always |
| 95 | * match the display mode. If the display mode matches |
| 96 | * content_vfbs dimensions, then this is a pointer into the |
| 97 | * corresponding field in content_vfbs. If not, then this |
| 98 | * is a separate buffer to which content_vfbs will blit to. |
| 99 | * @content_fb: holds the rendered content, can be a surface or DMA buffer |
| 100 | * @content_type: content_fb type |
| 101 | * @defined: true if the current display unit has been initialized |
| 102 | */ |
| 103 | struct vmw_screen_target_display_unit { |
| 104 | struct vmw_display_unit base; |
| 105 | |
| 106 | struct vmw_surface *display_srf; |
| 107 | struct drm_framebuffer *content_fb; |
| 108 | |
| 109 | enum stdu_content_type content_fb_type; |
| 110 | |
| 111 | bool defined; |
| 112 | }; |
| 113 | |
| 114 | |
| 115 | |
| 116 | static void vmw_stdu_destroy(struct vmw_screen_target_display_unit *stdu); |
| 117 | |
| 118 | |
| 119 | |
| 120 | /****************************************************************************** |
| 121 | * Screen Target Display Unit helper Functions |
| 122 | *****************************************************************************/ |
| 123 | |
| 124 | /** |
| 125 | * vmw_stdu_pin_display - pins the resource associated with the display surface |
| 126 | * |
| 127 | * @stdu: contains the display surface |
| 128 | * |
| 129 | * Since the display surface can either be a private surface allocated by us, |
| 130 | * or it can point to the content surface, we use this function to not pin the |
| 131 | * same resource twice. |
| 132 | */ |
| 133 | static int vmw_stdu_pin_display(struct vmw_screen_target_display_unit *stdu) |
| 134 | { |
Thomas Hellstrom | 1a4b172 | 2015-06-26 02:03:53 -0700 | [diff] [blame] | 135 | return vmw_resource_pin(&stdu->display_srf->res, false); |
Sinclair Yeh | 35c0512 | 2015-06-26 01:42:06 -0700 | [diff] [blame] | 136 | } |
| 137 | |
| 138 | |
| 139 | |
| 140 | /** |
| 141 | * vmw_stdu_unpin_display - unpins the resource associated with display surface |
| 142 | * |
| 143 | * @stdu: contains the display surface |
| 144 | * |
| 145 | * If the display surface was privatedly allocated by |
| 146 | * vmw_surface_gb_priv_define() and not registered as a framebuffer, then it |
| 147 | * won't be automatically cleaned up when all the framebuffers are freed. As |
| 148 | * such, we have to explicitly call vmw_resource_unreference() to get it freed. |
| 149 | */ |
| 150 | static void vmw_stdu_unpin_display(struct vmw_screen_target_display_unit *stdu) |
| 151 | { |
| 152 | if (stdu->display_srf) { |
| 153 | struct vmw_resource *res = &stdu->display_srf->res; |
| 154 | |
| 155 | vmw_resource_unpin(res); |
| 156 | |
| 157 | if (stdu->content_fb_type != SAME_AS_DISPLAY) { |
| 158 | vmw_resource_unreference(&res); |
| 159 | stdu->content_fb_type = SAME_AS_DISPLAY; |
| 160 | } |
| 161 | |
| 162 | stdu->display_srf = NULL; |
| 163 | } |
| 164 | } |
| 165 | |
| 166 | |
| 167 | |
| 168 | /****************************************************************************** |
| 169 | * Screen Target Display Unit CRTC Functions |
| 170 | *****************************************************************************/ |
| 171 | |
| 172 | |
| 173 | /** |
| 174 | * vmw_stdu_crtc_destroy - cleans up the STDU |
| 175 | * |
| 176 | * @crtc: used to get a reference to the containing STDU |
| 177 | */ |
| 178 | static void vmw_stdu_crtc_destroy(struct drm_crtc *crtc) |
| 179 | { |
| 180 | vmw_stdu_destroy(vmw_crtc_to_stdu(crtc)); |
| 181 | } |
| 182 | |
Sinclair Yeh | 35c0512 | 2015-06-26 01:42:06 -0700 | [diff] [blame] | 183 | /** |
| 184 | * vmw_stdu_define_st - Defines a Screen Target |
| 185 | * |
| 186 | * @dev_priv: VMW DRM device |
| 187 | * @stdu: display unit to create a Screen Target for |
| 188 | * |
| 189 | * Creates a STDU that we can used later. This function is called whenever the |
| 190 | * framebuffer size changes. |
| 191 | * |
| 192 | * RETURNs: |
| 193 | * 0 on success, error code on failure |
| 194 | */ |
| 195 | static int vmw_stdu_define_st(struct vmw_private *dev_priv, |
| 196 | struct vmw_screen_target_display_unit *stdu) |
| 197 | { |
| 198 | struct { |
| 199 | SVGA3dCmdHeader header; |
| 200 | SVGA3dCmdDefineGBScreenTarget body; |
| 201 | } *cmd; |
| 202 | |
| 203 | cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd)); |
| 204 | |
| 205 | if (unlikely(cmd == NULL)) { |
| 206 | DRM_ERROR("Out of FIFO space defining Screen Target\n"); |
| 207 | return -ENOMEM; |
| 208 | } |
| 209 | |
| 210 | cmd->header.id = SVGA_3D_CMD_DEFINE_GB_SCREENTARGET; |
| 211 | cmd->header.size = sizeof(cmd->body); |
| 212 | |
| 213 | cmd->body.stid = stdu->base.unit; |
| 214 | cmd->body.width = stdu->display_srf->base_size.width; |
| 215 | cmd->body.height = stdu->display_srf->base_size.height; |
| 216 | cmd->body.flags = (0 == cmd->body.stid) ? SVGA_STFLAG_PRIMARY : 0; |
| 217 | cmd->body.dpi = 0; |
| 218 | cmd->body.xRoot = stdu->base.crtc.x; |
| 219 | cmd->body.yRoot = stdu->base.crtc.y; |
| 220 | |
| 221 | if (!stdu->base.is_implicit) { |
| 222 | cmd->body.xRoot = stdu->base.gui_x; |
| 223 | cmd->body.yRoot = stdu->base.gui_y; |
| 224 | } |
| 225 | |
| 226 | vmw_fifo_commit(dev_priv, sizeof(*cmd)); |
| 227 | |
| 228 | stdu->defined = true; |
| 229 | |
| 230 | return 0; |
| 231 | } |
| 232 | |
| 233 | |
| 234 | |
| 235 | /** |
| 236 | * vmw_stdu_bind_st - Binds a surface to a Screen Target |
| 237 | * |
| 238 | * @dev_priv: VMW DRM device |
| 239 | * @stdu: display unit affected |
| 240 | * @res: Buffer to bind to the screen target. Set to NULL to blank screen. |
| 241 | * |
| 242 | * Binding a surface to a Screen Target the same as flipping |
| 243 | */ |
| 244 | static int vmw_stdu_bind_st(struct vmw_private *dev_priv, |
| 245 | struct vmw_screen_target_display_unit *stdu, |
| 246 | struct vmw_resource *res) |
| 247 | { |
| 248 | SVGA3dSurfaceImageId image; |
| 249 | |
| 250 | struct { |
| 251 | SVGA3dCmdHeader header; |
| 252 | SVGA3dCmdBindGBScreenTarget body; |
| 253 | } *cmd; |
| 254 | |
| 255 | |
| 256 | if (!stdu->defined) { |
| 257 | DRM_ERROR("No screen target defined\n"); |
| 258 | return -EINVAL; |
| 259 | } |
| 260 | |
| 261 | /* Set up image using information in vfb */ |
| 262 | memset(&image, 0, sizeof(image)); |
| 263 | image.sid = res ? res->id : SVGA3D_INVALID_ID; |
| 264 | |
| 265 | cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd)); |
| 266 | |
| 267 | if (unlikely(cmd == NULL)) { |
| 268 | DRM_ERROR("Out of FIFO space binding a screen target\n"); |
| 269 | return -ENOMEM; |
| 270 | } |
| 271 | |
| 272 | cmd->header.id = SVGA_3D_CMD_BIND_GB_SCREENTARGET; |
| 273 | cmd->header.size = sizeof(cmd->body); |
| 274 | |
| 275 | cmd->body.stid = stdu->base.unit; |
| 276 | cmd->body.image = image; |
| 277 | |
| 278 | vmw_fifo_commit(dev_priv, sizeof(*cmd)); |
| 279 | |
| 280 | return 0; |
| 281 | } |
| 282 | |
Thomas Hellstrom | 6bf6bf0 | 2015-06-26 02:22:40 -0700 | [diff] [blame] | 283 | /** |
| 284 | * vmw_stdu_populate_update - populate an UPDATE_GB_SCREENTARGET command with a |
| 285 | * bounding box. |
| 286 | * |
| 287 | * @cmd: Pointer to command stream. |
| 288 | * @unit: Screen target unit. |
| 289 | * @left: Left side of bounding box. |
| 290 | * @right: Right side of bounding box. |
| 291 | * @top: Top side of bounding box. |
| 292 | * @bottom: Bottom side of bounding box. |
| 293 | */ |
| 294 | static void vmw_stdu_populate_update(void *cmd, int unit, |
| 295 | s32 left, s32 right, s32 top, s32 bottom) |
| 296 | { |
| 297 | struct vmw_stdu_update *update = cmd; |
Sinclair Yeh | 35c0512 | 2015-06-26 01:42:06 -0700 | [diff] [blame] | 298 | |
Thomas Hellstrom | 6bf6bf0 | 2015-06-26 02:22:40 -0700 | [diff] [blame] | 299 | update->header.id = SVGA_3D_CMD_UPDATE_GB_SCREENTARGET; |
| 300 | update->header.size = sizeof(update->body); |
| 301 | |
| 302 | update->body.stid = unit; |
| 303 | update->body.rect.x = left; |
| 304 | update->body.rect.y = top; |
| 305 | update->body.rect.w = right - left; |
| 306 | update->body.rect.h = bottom - top; |
| 307 | } |
Sinclair Yeh | 35c0512 | 2015-06-26 01:42:06 -0700 | [diff] [blame] | 308 | |
| 309 | /** |
Thomas Hellstrom | 6bf6bf0 | 2015-06-26 02:22:40 -0700 | [diff] [blame] | 310 | * vmw_stdu_update_st - Full update of a Screen Target |
Sinclair Yeh | 35c0512 | 2015-06-26 01:42:06 -0700 | [diff] [blame] | 311 | * |
| 312 | * @dev_priv: VMW DRM device |
Sinclair Yeh | 35c0512 | 2015-06-26 01:42:06 -0700 | [diff] [blame] | 313 | * @stdu: display unit affected |
Sinclair Yeh | 35c0512 | 2015-06-26 01:42:06 -0700 | [diff] [blame] | 314 | * |
| 315 | * This function needs to be called whenever the content of a screen |
Thomas Hellstrom | 6bf6bf0 | 2015-06-26 02:22:40 -0700 | [diff] [blame] | 316 | * target has changed completely. Typically as a result of a backing |
| 317 | * surface change. |
Sinclair Yeh | 35c0512 | 2015-06-26 01:42:06 -0700 | [diff] [blame] | 318 | * |
| 319 | * RETURNS: |
| 320 | * 0 on success, error code on failure |
| 321 | */ |
| 322 | static int vmw_stdu_update_st(struct vmw_private *dev_priv, |
Thomas Hellstrom | 6bf6bf0 | 2015-06-26 02:22:40 -0700 | [diff] [blame] | 323 | struct vmw_screen_target_display_unit *stdu) |
Sinclair Yeh | 35c0512 | 2015-06-26 01:42:06 -0700 | [diff] [blame] | 324 | { |
Thomas Hellstrom | 6bf6bf0 | 2015-06-26 02:22:40 -0700 | [diff] [blame] | 325 | struct vmw_stdu_update *cmd; |
| 326 | struct drm_crtc *crtc = &stdu->base.crtc; |
Sinclair Yeh | 35c0512 | 2015-06-26 01:42:06 -0700 | [diff] [blame] | 327 | |
| 328 | if (!stdu->defined) { |
| 329 | DRM_ERROR("No screen target defined"); |
| 330 | return -EINVAL; |
| 331 | } |
| 332 | |
Sinclair Yeh | 35c0512 | 2015-06-26 01:42:06 -0700 | [diff] [blame] | 333 | cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd)); |
| 334 | |
| 335 | if (unlikely(cmd == NULL)) { |
| 336 | DRM_ERROR("Out of FIFO space updating a Screen Target\n"); |
| 337 | return -ENOMEM; |
| 338 | } |
| 339 | |
Thomas Hellstrom | 6bf6bf0 | 2015-06-26 02:22:40 -0700 | [diff] [blame] | 340 | vmw_stdu_populate_update(cmd, stdu->base.unit, 0, crtc->mode.hdisplay, |
| 341 | 0, crtc->mode.vdisplay); |
Sinclair Yeh | 35c0512 | 2015-06-26 01:42:06 -0700 | [diff] [blame] | 342 | |
| 343 | vmw_fifo_commit(dev_priv, sizeof(*cmd)); |
| 344 | |
| 345 | return 0; |
| 346 | } |
| 347 | |
| 348 | |
| 349 | |
| 350 | /** |
| 351 | * vmw_stdu_destroy_st - Destroy a Screen Target |
| 352 | * |
| 353 | * @dev_priv: VMW DRM device |
| 354 | * @stdu: display unit to destroy |
| 355 | */ |
| 356 | static int vmw_stdu_destroy_st(struct vmw_private *dev_priv, |
| 357 | struct vmw_screen_target_display_unit *stdu) |
| 358 | { |
| 359 | int ret; |
| 360 | |
| 361 | struct { |
| 362 | SVGA3dCmdHeader header; |
| 363 | SVGA3dCmdDestroyGBScreenTarget body; |
| 364 | } *cmd; |
| 365 | |
| 366 | |
| 367 | /* Nothing to do if not successfully defined */ |
| 368 | if (unlikely(!stdu->defined)) |
| 369 | return 0; |
| 370 | |
| 371 | cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd)); |
| 372 | |
| 373 | if (unlikely(cmd == NULL)) { |
| 374 | DRM_ERROR("Out of FIFO space, screen target not destroyed\n"); |
| 375 | return -ENOMEM; |
| 376 | } |
| 377 | |
| 378 | cmd->header.id = SVGA_3D_CMD_DESTROY_GB_SCREENTARGET; |
| 379 | cmd->header.size = sizeof(cmd->body); |
| 380 | |
| 381 | cmd->body.stid = stdu->base.unit; |
| 382 | |
| 383 | vmw_fifo_commit(dev_priv, sizeof(*cmd)); |
| 384 | |
| 385 | /* Force sync */ |
| 386 | ret = vmw_fallback_wait(dev_priv, false, true, 0, false, 3*HZ); |
| 387 | if (unlikely(ret != 0)) |
| 388 | DRM_ERROR("Failed to sync with HW"); |
| 389 | |
| 390 | stdu->defined = false; |
| 391 | |
| 392 | return ret; |
| 393 | } |
| 394 | |
| 395 | |
| 396 | |
| 397 | /** |
| 398 | * vmw_stdu_crtc_set_config - Sets a mode |
| 399 | * |
| 400 | * @set: mode parameters |
| 401 | * |
| 402 | * This function is the device-specific portion of the DRM CRTC mode set. |
| 403 | * For the SVGA device, we do this by defining a Screen Target, binding a |
| 404 | * GB Surface to that target, and finally update the screen target. |
| 405 | * |
| 406 | * RETURNS: |
| 407 | * 0 on success, error code otherwise |
| 408 | */ |
| 409 | static int vmw_stdu_crtc_set_config(struct drm_mode_set *set) |
| 410 | { |
| 411 | struct vmw_private *dev_priv; |
| 412 | struct vmw_screen_target_display_unit *stdu; |
| 413 | struct vmw_framebuffer *vfb; |
| 414 | struct vmw_framebuffer_surface *new_vfbs; |
| 415 | struct drm_display_mode *mode; |
| 416 | struct drm_framebuffer *new_fb; |
| 417 | struct drm_crtc *crtc; |
| 418 | struct drm_encoder *encoder; |
| 419 | struct drm_connector *connector; |
Sinclair Yeh | 35c0512 | 2015-06-26 01:42:06 -0700 | [diff] [blame] | 420 | int ret; |
| 421 | |
| 422 | |
| 423 | if (!set || !set->crtc) |
| 424 | return -EINVAL; |
| 425 | |
| 426 | crtc = set->crtc; |
| 427 | crtc->x = set->x; |
| 428 | crtc->y = set->y; |
| 429 | stdu = vmw_crtc_to_stdu(crtc); |
| 430 | mode = set->mode; |
| 431 | new_fb = set->fb; |
| 432 | dev_priv = vmw_priv(crtc->dev); |
| 433 | |
| 434 | |
| 435 | if (set->num_connectors > 1) { |
| 436 | DRM_ERROR("Too many connectors\n"); |
| 437 | return -EINVAL; |
| 438 | } |
| 439 | |
| 440 | if (set->num_connectors == 1 && |
| 441 | set->connectors[0] != &stdu->base.connector) { |
| 442 | DRM_ERROR("Connectors don't match %p %p\n", |
| 443 | set->connectors[0], &stdu->base.connector); |
| 444 | return -EINVAL; |
| 445 | } |
| 446 | |
| 447 | |
| 448 | /* Since they always map one to one these are safe */ |
| 449 | connector = &stdu->base.connector; |
| 450 | encoder = &stdu->base.encoder; |
| 451 | |
| 452 | |
| 453 | /* |
| 454 | * After this point the CRTC will be considered off unless a new fb |
| 455 | * is bound |
| 456 | */ |
| 457 | if (stdu->defined) { |
| 458 | /* Unbind current surface by binding an invalid one */ |
| 459 | ret = vmw_stdu_bind_st(dev_priv, stdu, NULL); |
| 460 | if (unlikely(ret != 0)) |
| 461 | return ret; |
| 462 | |
| 463 | /* Update Screen Target, display will now be blank */ |
| 464 | if (crtc->primary->fb) { |
Thomas Hellstrom | 6bf6bf0 | 2015-06-26 02:22:40 -0700 | [diff] [blame] | 465 | vmw_stdu_update_st(dev_priv, stdu); |
Sinclair Yeh | 35c0512 | 2015-06-26 01:42:06 -0700 | [diff] [blame] | 466 | if (unlikely(ret != 0)) |
| 467 | return ret; |
| 468 | } |
| 469 | |
| 470 | crtc->primary->fb = NULL; |
| 471 | crtc->enabled = false; |
| 472 | encoder->crtc = NULL; |
| 473 | connector->encoder = NULL; |
| 474 | |
| 475 | vmw_stdu_unpin_display(stdu); |
| 476 | stdu->content_fb = NULL; |
| 477 | stdu->content_fb_type = SAME_AS_DISPLAY; |
| 478 | |
| 479 | ret = vmw_stdu_destroy_st(dev_priv, stdu); |
| 480 | /* The hardware is hung, give up */ |
| 481 | if (unlikely(ret != 0)) |
| 482 | return ret; |
| 483 | } |
| 484 | |
| 485 | |
| 486 | /* Any of these conditions means the caller wants CRTC off */ |
| 487 | if (set->num_connectors == 0 || !mode || !new_fb) |
| 488 | return 0; |
| 489 | |
| 490 | |
| 491 | if (set->x + mode->hdisplay > new_fb->width || |
| 492 | set->y + mode->vdisplay > new_fb->height) { |
| 493 | DRM_ERROR("Set outside of framebuffer\n"); |
| 494 | return -EINVAL; |
| 495 | } |
| 496 | |
| 497 | stdu->content_fb = new_fb; |
| 498 | vfb = vmw_framebuffer_to_vfb(stdu->content_fb); |
| 499 | |
| 500 | if (vfb->dmabuf) |
| 501 | stdu->content_fb_type = SEPARATE_DMA; |
| 502 | |
| 503 | /* |
| 504 | * If the requested mode is different than the width and height |
| 505 | * of the FB or if the content buffer is a DMA buf, then allocate |
| 506 | * a display FB that matches the dimension of the mode |
| 507 | */ |
| 508 | if (mode->hdisplay != new_fb->width || |
| 509 | mode->vdisplay != new_fb->height || |
| 510 | stdu->content_fb_type != SAME_AS_DISPLAY) { |
| 511 | struct vmw_surface content_srf; |
| 512 | struct drm_vmw_size display_base_size = {0}; |
| 513 | struct vmw_surface *display_srf; |
| 514 | |
| 515 | |
| 516 | display_base_size.width = mode->hdisplay; |
| 517 | display_base_size.height = mode->vdisplay; |
| 518 | display_base_size.depth = 1; |
| 519 | |
| 520 | /* |
| 521 | * If content buffer is a DMA buf, then we have to construct |
| 522 | * surface info |
| 523 | */ |
| 524 | if (stdu->content_fb_type == SEPARATE_DMA) { |
| 525 | |
| 526 | switch (new_fb->bits_per_pixel) { |
| 527 | case 32: |
| 528 | content_srf.format = SVGA3D_X8R8G8B8; |
| 529 | break; |
| 530 | |
| 531 | case 16: |
| 532 | content_srf.format = SVGA3D_R5G6B5; |
| 533 | break; |
| 534 | |
| 535 | case 8: |
| 536 | content_srf.format = SVGA3D_P8; |
| 537 | break; |
| 538 | |
| 539 | default: |
| 540 | DRM_ERROR("Invalid format\n"); |
| 541 | ret = -EINVAL; |
| 542 | goto err_unref_content; |
| 543 | } |
| 544 | |
| 545 | content_srf.flags = 0; |
| 546 | content_srf.mip_levels[0] = 1; |
| 547 | content_srf.multisample_count = 0; |
| 548 | } else { |
| 549 | |
| 550 | stdu->content_fb_type = SEPARATE_SURFACE; |
| 551 | |
| 552 | new_vfbs = vmw_framebuffer_to_vfbs(new_fb); |
| 553 | content_srf = *new_vfbs->surface; |
| 554 | } |
| 555 | |
| 556 | |
| 557 | ret = vmw_surface_gb_priv_define(crtc->dev, |
| 558 | 0, /* because kernel visible only */ |
| 559 | content_srf.flags, |
| 560 | content_srf.format, |
| 561 | true, /* a scanout buffer */ |
| 562 | content_srf.mip_levels[0], |
| 563 | content_srf.multisample_count, |
Thomas Hellstrom | d80efd5 | 2015-08-10 10:39:35 -0700 | [diff] [blame] | 564 | 0, |
Sinclair Yeh | 35c0512 | 2015-06-26 01:42:06 -0700 | [diff] [blame] | 565 | display_base_size, |
| 566 | &display_srf); |
| 567 | if (unlikely(ret != 0)) { |
| 568 | DRM_ERROR("Cannot allocate a display FB.\n"); |
| 569 | goto err_unref_content; |
| 570 | } |
| 571 | |
| 572 | stdu->display_srf = display_srf; |
| 573 | } else { |
| 574 | new_vfbs = vmw_framebuffer_to_vfbs(new_fb); |
| 575 | stdu->display_srf = new_vfbs->surface; |
| 576 | } |
| 577 | |
| 578 | |
| 579 | ret = vmw_stdu_pin_display(stdu); |
| 580 | if (unlikely(ret != 0)) { |
| 581 | stdu->display_srf = NULL; |
| 582 | goto err_unref_content; |
| 583 | } |
| 584 | |
Sinclair Yeh | 35c0512 | 2015-06-26 01:42:06 -0700 | [diff] [blame] | 585 | vmw_svga_enable(dev_priv); |
| 586 | |
| 587 | /* |
| 588 | * Steps to displaying a surface, assume surface is already |
| 589 | * bound: |
| 590 | * 1. define a screen target |
| 591 | * 2. bind a fb to the screen target |
| 592 | * 3. update that screen target (this is done later by |
| 593 | * vmw_kms_stdu_do_surface_dirty_or_present) |
| 594 | */ |
| 595 | ret = vmw_stdu_define_st(dev_priv, stdu); |
| 596 | if (unlikely(ret != 0)) |
| 597 | goto err_unpin_display_and_content; |
| 598 | |
| 599 | ret = vmw_stdu_bind_st(dev_priv, stdu, &stdu->display_srf->res); |
| 600 | if (unlikely(ret != 0)) |
| 601 | goto err_unpin_destroy_st; |
| 602 | |
| 603 | |
| 604 | connector->encoder = encoder; |
| 605 | encoder->crtc = crtc; |
| 606 | |
| 607 | crtc->mode = *mode; |
| 608 | crtc->primary->fb = new_fb; |
| 609 | crtc->enabled = true; |
| 610 | |
| 611 | return ret; |
| 612 | |
| 613 | err_unpin_destroy_st: |
| 614 | vmw_stdu_destroy_st(dev_priv, stdu); |
| 615 | err_unpin_display_and_content: |
| 616 | vmw_stdu_unpin_display(stdu); |
| 617 | err_unref_content: |
| 618 | stdu->content_fb = NULL; |
| 619 | return ret; |
| 620 | } |
| 621 | |
| 622 | |
| 623 | |
| 624 | /** |
| 625 | * vmw_stdu_crtc_page_flip - Binds a buffer to a screen target |
| 626 | * |
| 627 | * @crtc: CRTC to attach FB to |
| 628 | * @fb: FB to attach |
| 629 | * @event: Event to be posted. This event should've been alloced |
| 630 | * using k[mz]alloc, and should've been completely initialized. |
| 631 | * @page_flip_flags: Input flags. |
| 632 | * |
| 633 | * If the STDU uses the same display and content buffers, i.e. a true flip, |
| 634 | * this function will replace the existing display buffer with the new content |
| 635 | * buffer. |
| 636 | * |
| 637 | * If the STDU uses different display and content buffers, i.e. a blit, then |
| 638 | * only the content buffer will be updated. |
| 639 | * |
| 640 | * RETURNS: |
| 641 | * 0 on success, error code on failure |
| 642 | */ |
| 643 | static int vmw_stdu_crtc_page_flip(struct drm_crtc *crtc, |
| 644 | struct drm_framebuffer *new_fb, |
| 645 | struct drm_pending_vblank_event *event, |
| 646 | uint32_t flags) |
| 647 | |
| 648 | { |
| 649 | struct vmw_private *dev_priv = vmw_priv(crtc->dev); |
| 650 | struct vmw_screen_target_display_unit *stdu; |
Sinclair Yeh | 35c0512 | 2015-06-26 01:42:06 -0700 | [diff] [blame] | 651 | int ret; |
| 652 | |
Sinclair Yeh | 35c0512 | 2015-06-26 01:42:06 -0700 | [diff] [blame] | 653 | if (crtc == NULL) |
| 654 | return -EINVAL; |
| 655 | |
| 656 | dev_priv = vmw_priv(crtc->dev); |
| 657 | stdu = vmw_crtc_to_stdu(crtc); |
| 658 | crtc->primary->fb = new_fb; |
| 659 | stdu->content_fb = new_fb; |
| 660 | |
| 661 | if (stdu->display_srf) { |
Sinclair Yeh | 35c0512 | 2015-06-26 01:42:06 -0700 | [diff] [blame] | 662 | /* |
| 663 | * If the display surface is the same as the content surface |
| 664 | * then remove the reference |
| 665 | */ |
| 666 | if (stdu->content_fb_type == SAME_AS_DISPLAY) { |
| 667 | if (stdu->defined) { |
| 668 | /* Unbind the current surface */ |
| 669 | ret = vmw_stdu_bind_st(dev_priv, stdu, NULL); |
| 670 | if (unlikely(ret != 0)) |
| 671 | goto err_out; |
| 672 | } |
| 673 | vmw_stdu_unpin_display(stdu); |
| 674 | stdu->display_srf = NULL; |
| 675 | } |
| 676 | } |
| 677 | |
| 678 | |
| 679 | if (!new_fb) { |
| 680 | /* Blanks the display */ |
Thomas Hellstrom | 6bf6bf0 | 2015-06-26 02:22:40 -0700 | [diff] [blame] | 681 | (void) vmw_stdu_update_st(dev_priv, stdu); |
Sinclair Yeh | 35c0512 | 2015-06-26 01:42:06 -0700 | [diff] [blame] | 682 | |
| 683 | return 0; |
| 684 | } |
| 685 | |
| 686 | |
| 687 | if (stdu->content_fb_type == SAME_AS_DISPLAY) { |
| 688 | stdu->display_srf = vmw_framebuffer_to_vfbs(new_fb)->surface; |
| 689 | ret = vmw_stdu_pin_display(stdu); |
| 690 | if (ret) { |
| 691 | stdu->display_srf = NULL; |
| 692 | goto err_out; |
| 693 | } |
| 694 | |
| 695 | /* Bind display surface */ |
| 696 | ret = vmw_stdu_bind_st(dev_priv, stdu, &stdu->display_srf->res); |
| 697 | if (unlikely(ret != 0)) |
| 698 | goto err_unpin_display_and_content; |
| 699 | } |
| 700 | |
| 701 | /* Update display surface: after this point everything is bound */ |
Thomas Hellstrom | 6bf6bf0 | 2015-06-26 02:22:40 -0700 | [diff] [blame] | 702 | ret = vmw_stdu_update_st(dev_priv, stdu); |
Sinclair Yeh | 35c0512 | 2015-06-26 01:42:06 -0700 | [diff] [blame] | 703 | if (unlikely(ret != 0)) |
| 704 | return ret; |
| 705 | |
| 706 | if (event) { |
| 707 | struct vmw_fence_obj *fence = NULL; |
Thomas Hellstrom | 6bf6bf0 | 2015-06-26 02:22:40 -0700 | [diff] [blame] | 708 | struct drm_file *file_priv = event->base.file_priv; |
Sinclair Yeh | 35c0512 | 2015-06-26 01:42:06 -0700 | [diff] [blame] | 709 | |
| 710 | vmw_execbuf_fence_commands(NULL, dev_priv, &fence, NULL); |
| 711 | if (!fence) |
| 712 | return -ENOMEM; |
| 713 | |
| 714 | ret = vmw_event_fence_action_queue(file_priv, fence, |
| 715 | &event->base, |
| 716 | &event->event.tv_sec, |
| 717 | &event->event.tv_usec, |
| 718 | true); |
| 719 | vmw_fence_obj_unreference(&fence); |
Thomas Hellstrom | 4e0858a | 2015-11-05 02:18:55 -0800 | [diff] [blame] | 720 | } else { |
| 721 | vmw_fifo_flush(dev_priv, false); |
Sinclair Yeh | 35c0512 | 2015-06-26 01:42:06 -0700 | [diff] [blame] | 722 | } |
| 723 | |
| 724 | return ret; |
| 725 | |
| 726 | err_unpin_display_and_content: |
| 727 | vmw_stdu_unpin_display(stdu); |
| 728 | err_out: |
| 729 | crtc->primary->fb = NULL; |
| 730 | stdu->content_fb = NULL; |
| 731 | return ret; |
| 732 | } |
| 733 | |
| 734 | |
Thomas Hellstrom | 6bf6bf0 | 2015-06-26 02:22:40 -0700 | [diff] [blame] | 735 | /** |
| 736 | * vmw_stdu_dmabuf_clip - Callback to encode a suface DMA command cliprect |
| 737 | * |
| 738 | * @dirty: The closure structure. |
| 739 | * |
| 740 | * Encodes a surface DMA command cliprect and updates the bounding box |
| 741 | * for the DMA. |
| 742 | */ |
| 743 | static void vmw_stdu_dmabuf_clip(struct vmw_kms_dirty *dirty) |
| 744 | { |
| 745 | struct vmw_stdu_dirty *ddirty = |
| 746 | container_of(dirty, struct vmw_stdu_dirty, base); |
| 747 | struct vmw_stdu_dma *cmd = dirty->cmd; |
| 748 | struct SVGA3dCopyBox *blit = (struct SVGA3dCopyBox *) &cmd[1]; |
| 749 | |
| 750 | blit += dirty->num_hits; |
| 751 | blit->srcx = dirty->fb_x; |
| 752 | blit->srcy = dirty->fb_y; |
| 753 | blit->x = dirty->unit_x1; |
| 754 | blit->y = dirty->unit_y1; |
| 755 | blit->d = 1; |
| 756 | blit->w = dirty->unit_x2 - dirty->unit_x1; |
| 757 | blit->h = dirty->unit_y2 - dirty->unit_y1; |
| 758 | dirty->num_hits++; |
| 759 | |
| 760 | if (ddirty->transfer != SVGA3D_WRITE_HOST_VRAM) |
| 761 | return; |
| 762 | |
| 763 | /* Destination bounding box */ |
| 764 | ddirty->left = min_t(s32, ddirty->left, dirty->unit_x1); |
| 765 | ddirty->top = min_t(s32, ddirty->top, dirty->unit_y1); |
| 766 | ddirty->right = max_t(s32, ddirty->right, dirty->unit_x2); |
| 767 | ddirty->bottom = max_t(s32, ddirty->bottom, dirty->unit_y2); |
| 768 | } |
| 769 | |
| 770 | /** |
| 771 | * vmw_stdu_dmabuf_fifo_commit - Callback to fill in and submit a DMA command. |
| 772 | * |
| 773 | * @dirty: The closure structure. |
| 774 | * |
| 775 | * Fills in the missing fields in a DMA command, and optionally encodes |
| 776 | * a screen target update command, depending on transfer direction. |
| 777 | */ |
| 778 | static void vmw_stdu_dmabuf_fifo_commit(struct vmw_kms_dirty *dirty) |
| 779 | { |
| 780 | struct vmw_stdu_dirty *ddirty = |
| 781 | container_of(dirty, struct vmw_stdu_dirty, base); |
| 782 | struct vmw_screen_target_display_unit *stdu = |
| 783 | container_of(dirty->unit, typeof(*stdu), base); |
| 784 | struct vmw_stdu_dma *cmd = dirty->cmd; |
| 785 | struct SVGA3dCopyBox *blit = (struct SVGA3dCopyBox *) &cmd[1]; |
| 786 | SVGA3dCmdSurfaceDMASuffix *suffix = |
| 787 | (SVGA3dCmdSurfaceDMASuffix *) &blit[dirty->num_hits]; |
| 788 | size_t blit_size = sizeof(*blit) * dirty->num_hits + sizeof(*suffix); |
| 789 | |
| 790 | if (!dirty->num_hits) { |
| 791 | vmw_fifo_commit(dirty->dev_priv, 0); |
| 792 | return; |
| 793 | } |
| 794 | |
| 795 | cmd->header.id = SVGA_3D_CMD_SURFACE_DMA; |
| 796 | cmd->header.size = sizeof(cmd->body) + blit_size; |
| 797 | vmw_bo_get_guest_ptr(&ddirty->buf->base, &cmd->body.guest.ptr); |
| 798 | cmd->body.guest.pitch = ddirty->pitch; |
| 799 | cmd->body.host.sid = stdu->display_srf->res.id; |
| 800 | cmd->body.host.face = 0; |
| 801 | cmd->body.host.mipmap = 0; |
| 802 | cmd->body.transfer = ddirty->transfer; |
| 803 | suffix->suffixSize = sizeof(*suffix); |
| 804 | suffix->maximumOffset = ddirty->buf->base.num_pages * PAGE_SIZE; |
| 805 | |
| 806 | if (ddirty->transfer == SVGA3D_WRITE_HOST_VRAM) { |
| 807 | blit_size += sizeof(struct vmw_stdu_update); |
| 808 | |
| 809 | vmw_stdu_populate_update(&suffix[1], stdu->base.unit, |
| 810 | ddirty->left, ddirty->right, |
| 811 | ddirty->top, ddirty->bottom); |
| 812 | } |
| 813 | |
| 814 | vmw_fifo_commit(dirty->dev_priv, sizeof(*cmd) + blit_size); |
| 815 | |
| 816 | ddirty->left = ddirty->top = S32_MAX; |
| 817 | ddirty->right = ddirty->bottom = S32_MIN; |
| 818 | } |
| 819 | |
| 820 | /** |
| 821 | * vmw_kms_stdu_dma - Perform a DMA transfer between a dma-buffer backed |
| 822 | * framebuffer and the screen target system. |
| 823 | * |
| 824 | * @dev_priv: Pointer to the device private structure. |
| 825 | * @file_priv: Pointer to a struct drm-file identifying the caller. May be |
| 826 | * set to NULL, but then @user_fence_rep must also be set to NULL. |
| 827 | * @vfb: Pointer to the dma-buffer backed framebuffer. |
| 828 | * @clips: Array of clip rects. Either @clips or @vclips must be NULL. |
| 829 | * @vclips: Alternate array of clip rects. Either @clips or @vclips must |
| 830 | * be NULL. |
| 831 | * @num_clips: Number of clip rects in @clips or @vclips. |
| 832 | * @increment: Increment to use when looping over @clips or @vclips. |
| 833 | * @to_surface: Whether to DMA to the screen target system as opposed to |
| 834 | * from the screen target system. |
| 835 | * @interruptible: Whether to perform waits interruptible if possible. |
| 836 | * |
| 837 | * If DMA-ing till the screen target system, the function will also notify |
| 838 | * the screen target system that a bounding box of the cliprects has been |
| 839 | * updated. |
| 840 | * Returns 0 on success, negative error code on failure. -ERESTARTSYS if |
| 841 | * interrupted. |
| 842 | */ |
| 843 | int vmw_kms_stdu_dma(struct vmw_private *dev_priv, |
| 844 | struct drm_file *file_priv, |
| 845 | struct vmw_framebuffer *vfb, |
| 846 | struct drm_vmw_fence_rep __user *user_fence_rep, |
| 847 | struct drm_clip_rect *clips, |
| 848 | struct drm_vmw_rect *vclips, |
| 849 | uint32_t num_clips, |
| 850 | int increment, |
| 851 | bool to_surface, |
| 852 | bool interruptible) |
| 853 | { |
| 854 | struct vmw_dma_buffer *buf = |
| 855 | container_of(vfb, struct vmw_framebuffer_dmabuf, base)->buffer; |
| 856 | struct vmw_stdu_dirty ddirty; |
| 857 | int ret; |
| 858 | |
| 859 | ret = vmw_kms_helper_buffer_prepare(dev_priv, buf, interruptible, |
| 860 | false); |
| 861 | if (ret) |
| 862 | return ret; |
| 863 | |
| 864 | ddirty.transfer = (to_surface) ? SVGA3D_WRITE_HOST_VRAM : |
| 865 | SVGA3D_READ_HOST_VRAM; |
| 866 | ddirty.left = ddirty.top = S32_MAX; |
| 867 | ddirty.right = ddirty.bottom = S32_MIN; |
| 868 | ddirty.pitch = vfb->base.pitches[0]; |
| 869 | ddirty.buf = buf; |
| 870 | ddirty.base.fifo_commit = vmw_stdu_dmabuf_fifo_commit; |
| 871 | ddirty.base.clip = vmw_stdu_dmabuf_clip; |
| 872 | ddirty.base.fifo_reserve_size = sizeof(struct vmw_stdu_dma) + |
| 873 | num_clips * sizeof(SVGA3dCopyBox) + |
| 874 | sizeof(SVGA3dCmdSurfaceDMASuffix); |
| 875 | if (to_surface) |
| 876 | ddirty.base.fifo_reserve_size += sizeof(struct vmw_stdu_update); |
| 877 | |
| 878 | ret = vmw_kms_helper_dirty(dev_priv, vfb, clips, vclips, |
| 879 | 0, 0, num_clips, increment, &ddirty.base); |
| 880 | vmw_kms_helper_buffer_finish(dev_priv, file_priv, buf, NULL, |
| 881 | user_fence_rep); |
| 882 | |
| 883 | return ret; |
| 884 | } |
| 885 | |
| 886 | /** |
| 887 | * vmw_stdu_surface_clip - Callback to encode a surface copy command cliprect |
| 888 | * |
| 889 | * @dirty: The closure structure. |
| 890 | * |
| 891 | * Encodes a surface copy command cliprect and updates the bounding box |
| 892 | * for the copy. |
| 893 | */ |
| 894 | static void vmw_kms_stdu_surface_clip(struct vmw_kms_dirty *dirty) |
| 895 | { |
| 896 | struct vmw_stdu_dirty *sdirty = |
| 897 | container_of(dirty, struct vmw_stdu_dirty, base); |
| 898 | struct vmw_stdu_surface_copy *cmd = dirty->cmd; |
| 899 | struct vmw_screen_target_display_unit *stdu = |
| 900 | container_of(dirty->unit, typeof(*stdu), base); |
| 901 | |
| 902 | if (sdirty->sid != stdu->display_srf->res.id) { |
| 903 | struct SVGA3dCopyBox *blit = (struct SVGA3dCopyBox *) &cmd[1]; |
| 904 | |
| 905 | blit += dirty->num_hits; |
| 906 | blit->srcx = dirty->fb_x; |
| 907 | blit->srcy = dirty->fb_y; |
| 908 | blit->x = dirty->unit_x1; |
| 909 | blit->y = dirty->unit_y1; |
| 910 | blit->d = 1; |
| 911 | blit->w = dirty->unit_x2 - dirty->unit_x1; |
| 912 | blit->h = dirty->unit_y2 - dirty->unit_y1; |
| 913 | } |
| 914 | |
| 915 | dirty->num_hits++; |
| 916 | |
| 917 | /* Destination bounding box */ |
| 918 | sdirty->left = min_t(s32, sdirty->left, dirty->unit_x1); |
| 919 | sdirty->top = min_t(s32, sdirty->top, dirty->unit_y1); |
| 920 | sdirty->right = max_t(s32, sdirty->right, dirty->unit_x2); |
| 921 | sdirty->bottom = max_t(s32, sdirty->bottom, dirty->unit_y2); |
| 922 | } |
| 923 | |
| 924 | /** |
| 925 | * vmw_stdu_surface_fifo_commit - Callback to fill in and submit a surface |
| 926 | * copy command. |
| 927 | * |
| 928 | * @dirty: The closure structure. |
| 929 | * |
| 930 | * Fills in the missing fields in a surface copy command, and encodes a screen |
| 931 | * target update command. |
| 932 | */ |
| 933 | static void vmw_kms_stdu_surface_fifo_commit(struct vmw_kms_dirty *dirty) |
| 934 | { |
| 935 | struct vmw_stdu_dirty *sdirty = |
| 936 | container_of(dirty, struct vmw_stdu_dirty, base); |
| 937 | struct vmw_screen_target_display_unit *stdu = |
| 938 | container_of(dirty->unit, typeof(*stdu), base); |
| 939 | struct vmw_stdu_surface_copy *cmd = dirty->cmd; |
| 940 | struct vmw_stdu_update *update; |
| 941 | size_t blit_size = sizeof(SVGA3dCopyBox) * dirty->num_hits; |
| 942 | size_t commit_size; |
| 943 | |
| 944 | if (!dirty->num_hits) { |
| 945 | vmw_fifo_commit(dirty->dev_priv, 0); |
| 946 | return; |
| 947 | } |
| 948 | |
| 949 | if (sdirty->sid != stdu->display_srf->res.id) { |
| 950 | struct SVGA3dCopyBox *blit = (struct SVGA3dCopyBox *) &cmd[1]; |
| 951 | |
| 952 | cmd->header.id = SVGA_3D_CMD_SURFACE_COPY; |
| 953 | cmd->header.size = sizeof(cmd->body) + blit_size; |
| 954 | cmd->body.src.sid = sdirty->sid; |
| 955 | cmd->body.dest.sid = stdu->display_srf->res.id; |
| 956 | update = (struct vmw_stdu_update *) &blit[dirty->num_hits]; |
| 957 | commit_size = sizeof(*cmd) + blit_size + sizeof(*update); |
| 958 | } else { |
| 959 | update = dirty->cmd; |
| 960 | commit_size = sizeof(*update); |
| 961 | } |
| 962 | |
| 963 | vmw_stdu_populate_update(update, stdu->base.unit, sdirty->left, |
| 964 | sdirty->right, sdirty->top, sdirty->bottom); |
| 965 | |
| 966 | vmw_fifo_commit(dirty->dev_priv, commit_size); |
| 967 | |
| 968 | sdirty->left = sdirty->top = S32_MAX; |
| 969 | sdirty->right = sdirty->bottom = S32_MIN; |
| 970 | } |
| 971 | |
| 972 | /** |
| 973 | * vmw_kms_stdu_surface_dirty - Dirty part of a surface backed framebuffer |
| 974 | * |
| 975 | * @dev_priv: Pointer to the device private structure. |
| 976 | * @framebuffer: Pointer to the surface-buffer backed framebuffer. |
| 977 | * @clips: Array of clip rects. Either @clips or @vclips must be NULL. |
| 978 | * @vclips: Alternate array of clip rects. Either @clips or @vclips must |
| 979 | * be NULL. |
| 980 | * @srf: Pointer to surface to blit from. If NULL, the surface attached |
| 981 | * to @framebuffer will be used. |
| 982 | * @dest_x: X coordinate offset to align @srf with framebuffer coordinates. |
| 983 | * @dest_y: Y coordinate offset to align @srf with framebuffer coordinates. |
| 984 | * @num_clips: Number of clip rects in @clips. |
| 985 | * @inc: Increment to use when looping over @clips. |
| 986 | * @out_fence: If non-NULL, will return a ref-counted pointer to a |
| 987 | * struct vmw_fence_obj. The returned fence pointer may be NULL in which |
| 988 | * case the device has already synchronized. |
| 989 | * |
| 990 | * Returns 0 on success, negative error code on failure. -ERESTARTSYS if |
| 991 | * interrupted. |
| 992 | */ |
| 993 | int vmw_kms_stdu_surface_dirty(struct vmw_private *dev_priv, |
| 994 | struct vmw_framebuffer *framebuffer, |
| 995 | struct drm_clip_rect *clips, |
| 996 | struct drm_vmw_rect *vclips, |
| 997 | struct vmw_resource *srf, |
| 998 | s32 dest_x, |
| 999 | s32 dest_y, |
| 1000 | unsigned num_clips, int inc, |
| 1001 | struct vmw_fence_obj **out_fence) |
| 1002 | { |
| 1003 | struct vmw_framebuffer_surface *vfbs = |
| 1004 | container_of(framebuffer, typeof(*vfbs), base); |
| 1005 | struct vmw_stdu_dirty sdirty; |
| 1006 | int ret; |
| 1007 | |
| 1008 | if (!srf) |
| 1009 | srf = &vfbs->surface->res; |
| 1010 | |
| 1011 | ret = vmw_kms_helper_resource_prepare(srf, true); |
| 1012 | if (ret) |
| 1013 | return ret; |
| 1014 | |
| 1015 | if (vfbs->is_dmabuf_proxy) { |
| 1016 | ret = vmw_kms_update_proxy(srf, clips, num_clips, inc); |
| 1017 | if (ret) |
| 1018 | goto out_finish; |
| 1019 | } |
| 1020 | |
| 1021 | sdirty.base.fifo_commit = vmw_kms_stdu_surface_fifo_commit; |
| 1022 | sdirty.base.clip = vmw_kms_stdu_surface_clip; |
| 1023 | sdirty.base.fifo_reserve_size = sizeof(struct vmw_stdu_surface_copy) + |
| 1024 | sizeof(SVGA3dCopyBox) * num_clips + |
| 1025 | sizeof(struct vmw_stdu_update); |
| 1026 | sdirty.sid = srf->id; |
| 1027 | sdirty.left = sdirty.top = S32_MAX; |
| 1028 | sdirty.right = sdirty.bottom = S32_MIN; |
| 1029 | |
| 1030 | ret = vmw_kms_helper_dirty(dev_priv, framebuffer, clips, vclips, |
| 1031 | dest_x, dest_y, num_clips, inc, |
| 1032 | &sdirty.base); |
| 1033 | out_finish: |
| 1034 | vmw_kms_helper_resource_finish(srf, out_fence); |
| 1035 | |
| 1036 | return ret; |
| 1037 | } |
| 1038 | |
Sinclair Yeh | 35c0512 | 2015-06-26 01:42:06 -0700 | [diff] [blame] | 1039 | |
| 1040 | /* |
| 1041 | * Screen Target CRTC dispatch table |
| 1042 | */ |
| 1043 | static struct drm_crtc_funcs vmw_stdu_crtc_funcs = { |
| 1044 | .save = vmw_du_crtc_save, |
| 1045 | .restore = vmw_du_crtc_restore, |
Thomas Hellstrom | 8fbf9d9 | 2015-11-26 19:45:16 +0100 | [diff] [blame] | 1046 | .cursor_set2 = vmw_du_crtc_cursor_set2, |
Sinclair Yeh | 35c0512 | 2015-06-26 01:42:06 -0700 | [diff] [blame] | 1047 | .cursor_move = vmw_du_crtc_cursor_move, |
| 1048 | .gamma_set = vmw_du_crtc_gamma_set, |
| 1049 | .destroy = vmw_stdu_crtc_destroy, |
| 1050 | .set_config = vmw_stdu_crtc_set_config, |
| 1051 | .page_flip = vmw_stdu_crtc_page_flip, |
| 1052 | }; |
| 1053 | |
| 1054 | |
| 1055 | |
| 1056 | /****************************************************************************** |
| 1057 | * Screen Target Display Unit Encoder Functions |
| 1058 | *****************************************************************************/ |
| 1059 | |
| 1060 | /** |
| 1061 | * vmw_stdu_encoder_destroy - cleans up the STDU |
| 1062 | * |
| 1063 | * @encoder: used the get the containing STDU |
| 1064 | * |
| 1065 | * vmwgfx cleans up crtc/encoder/connector all at the same time so technically |
| 1066 | * this can be a no-op. Nevertheless, it doesn't hurt of have this in case |
| 1067 | * the common KMS code changes and somehow vmw_stdu_crtc_destroy() doesn't |
| 1068 | * get called. |
| 1069 | */ |
| 1070 | static void vmw_stdu_encoder_destroy(struct drm_encoder *encoder) |
| 1071 | { |
| 1072 | vmw_stdu_destroy(vmw_encoder_to_stdu(encoder)); |
| 1073 | } |
| 1074 | |
| 1075 | static struct drm_encoder_funcs vmw_stdu_encoder_funcs = { |
| 1076 | .destroy = vmw_stdu_encoder_destroy, |
| 1077 | }; |
| 1078 | |
| 1079 | |
| 1080 | |
| 1081 | /****************************************************************************** |
| 1082 | * Screen Target Display Unit Connector Functions |
| 1083 | *****************************************************************************/ |
| 1084 | |
| 1085 | /** |
| 1086 | * vmw_stdu_connector_destroy - cleans up the STDU |
| 1087 | * |
| 1088 | * @connector: used to get the containing STDU |
| 1089 | * |
| 1090 | * vmwgfx cleans up crtc/encoder/connector all at the same time so technically |
| 1091 | * this can be a no-op. Nevertheless, it doesn't hurt of have this in case |
| 1092 | * the common KMS code changes and somehow vmw_stdu_crtc_destroy() doesn't |
| 1093 | * get called. |
| 1094 | */ |
| 1095 | static void vmw_stdu_connector_destroy(struct drm_connector *connector) |
| 1096 | { |
| 1097 | vmw_stdu_destroy(vmw_connector_to_stdu(connector)); |
| 1098 | } |
| 1099 | |
| 1100 | |
| 1101 | |
| 1102 | static struct drm_connector_funcs vmw_stdu_connector_funcs = { |
| 1103 | .dpms = vmw_du_connector_dpms, |
| 1104 | .save = vmw_du_connector_save, |
| 1105 | .restore = vmw_du_connector_restore, |
| 1106 | .detect = vmw_du_connector_detect, |
| 1107 | .fill_modes = vmw_du_connector_fill_modes, |
| 1108 | .set_property = vmw_du_connector_set_property, |
| 1109 | .destroy = vmw_stdu_connector_destroy, |
| 1110 | }; |
| 1111 | |
| 1112 | |
| 1113 | |
| 1114 | /** |
| 1115 | * vmw_stdu_init - Sets up a Screen Target Display Unit |
| 1116 | * |
| 1117 | * @dev_priv: VMW DRM device |
| 1118 | * @unit: unit number range from 0 to VMWGFX_NUM_DISPLAY_UNITS |
| 1119 | * |
| 1120 | * This function is called once per CRTC, and allocates one Screen Target |
| 1121 | * display unit to represent that CRTC. Since the SVGA device does not separate |
| 1122 | * out encoder and connector, they are represented as part of the STDU as well. |
| 1123 | */ |
| 1124 | static int vmw_stdu_init(struct vmw_private *dev_priv, unsigned unit) |
| 1125 | { |
| 1126 | struct vmw_screen_target_display_unit *stdu; |
| 1127 | struct drm_device *dev = dev_priv->dev; |
| 1128 | struct drm_connector *connector; |
| 1129 | struct drm_encoder *encoder; |
| 1130 | struct drm_crtc *crtc; |
| 1131 | |
| 1132 | |
| 1133 | stdu = kzalloc(sizeof(*stdu), GFP_KERNEL); |
| 1134 | if (!stdu) |
| 1135 | return -ENOMEM; |
| 1136 | |
| 1137 | stdu->base.unit = unit; |
| 1138 | crtc = &stdu->base.crtc; |
| 1139 | encoder = &stdu->base.encoder; |
| 1140 | connector = &stdu->base.connector; |
| 1141 | |
| 1142 | stdu->base.pref_active = (unit == 0); |
| 1143 | stdu->base.pref_width = dev_priv->initial_width; |
| 1144 | stdu->base.pref_height = dev_priv->initial_height; |
Sinclair Yeh | 35c0512 | 2015-06-26 01:42:06 -0700 | [diff] [blame] | 1145 | stdu->base.is_implicit = true; |
| 1146 | |
| 1147 | drm_connector_init(dev, connector, &vmw_stdu_connector_funcs, |
| 1148 | DRM_MODE_CONNECTOR_VIRTUAL); |
| 1149 | connector->status = vmw_du_connector_detect(connector, false); |
| 1150 | |
| 1151 | drm_encoder_init(dev, encoder, &vmw_stdu_encoder_funcs, |
| 1152 | DRM_MODE_ENCODER_VIRTUAL); |
| 1153 | drm_mode_connector_attach_encoder(connector, encoder); |
| 1154 | encoder->possible_crtcs = (1 << unit); |
| 1155 | encoder->possible_clones = 0; |
| 1156 | |
| 1157 | (void) drm_connector_register(connector); |
| 1158 | |
| 1159 | drm_crtc_init(dev, crtc, &vmw_stdu_crtc_funcs); |
| 1160 | |
| 1161 | drm_mode_crtc_set_gamma_size(crtc, 256); |
| 1162 | |
| 1163 | drm_object_attach_property(&connector->base, |
| 1164 | dev->mode_config.dirty_info_property, |
| 1165 | 1); |
| 1166 | |
| 1167 | return 0; |
| 1168 | } |
| 1169 | |
| 1170 | |
| 1171 | |
| 1172 | /** |
| 1173 | * vmw_stdu_destroy - Cleans up a vmw_screen_target_display_unit |
| 1174 | * |
| 1175 | * @stdu: Screen Target Display Unit to be destroyed |
| 1176 | * |
| 1177 | * Clean up after vmw_stdu_init |
| 1178 | */ |
| 1179 | static void vmw_stdu_destroy(struct vmw_screen_target_display_unit *stdu) |
| 1180 | { |
| 1181 | vmw_stdu_unpin_display(stdu); |
| 1182 | |
| 1183 | vmw_du_cleanup(&stdu->base); |
| 1184 | kfree(stdu); |
| 1185 | } |
| 1186 | |
| 1187 | |
| 1188 | |
| 1189 | /****************************************************************************** |
| 1190 | * Screen Target Display KMS Functions |
| 1191 | * |
| 1192 | * These functions are called by the common KMS code in vmwgfx_kms.c |
| 1193 | *****************************************************************************/ |
| 1194 | |
| 1195 | /** |
| 1196 | * vmw_kms_stdu_init_display - Initializes a Screen Target based display |
| 1197 | * |
| 1198 | * @dev_priv: VMW DRM device |
| 1199 | * |
| 1200 | * This function initialize a Screen Target based display device. It checks |
| 1201 | * the capability bits to make sure the underlying hardware can support |
| 1202 | * screen targets, and then creates the maximum number of CRTCs, a.k.a Display |
| 1203 | * Units, as supported by the display hardware. |
| 1204 | * |
| 1205 | * RETURNS: |
| 1206 | * 0 on success, error code otherwise |
| 1207 | */ |
| 1208 | int vmw_kms_stdu_init_display(struct vmw_private *dev_priv) |
| 1209 | { |
| 1210 | struct drm_device *dev = dev_priv->dev; |
| 1211 | int i, ret; |
| 1212 | |
| 1213 | |
| 1214 | /* Do nothing if Screen Target support is turned off */ |
| 1215 | if (!VMWGFX_ENABLE_SCREEN_TARGET_OTABLE) |
| 1216 | return -ENOSYS; |
| 1217 | |
Sinclair Yeh | f89c6c3 | 2015-06-26 01:54:28 -0700 | [diff] [blame] | 1218 | if (!(dev_priv->capabilities & SVGA_CAP_GBOBJECTS)) |
Sinclair Yeh | 35c0512 | 2015-06-26 01:42:06 -0700 | [diff] [blame] | 1219 | return -ENOSYS; |
| 1220 | |
| 1221 | ret = drm_vblank_init(dev, VMWGFX_NUM_DISPLAY_UNITS); |
| 1222 | if (unlikely(ret != 0)) |
| 1223 | return ret; |
| 1224 | |
| 1225 | ret = drm_mode_create_dirty_info_property(dev); |
| 1226 | if (unlikely(ret != 0)) |
| 1227 | goto err_vblank_cleanup; |
| 1228 | |
Thomas Hellstrom | 6bf6bf0 | 2015-06-26 02:22:40 -0700 | [diff] [blame] | 1229 | dev_priv->active_display_unit = vmw_du_screen_target; |
| 1230 | |
Sinclair Yeh | 35c0512 | 2015-06-26 01:42:06 -0700 | [diff] [blame] | 1231 | for (i = 0; i < VMWGFX_NUM_DISPLAY_UNITS; ++i) { |
| 1232 | ret = vmw_stdu_init(dev_priv, i); |
| 1233 | |
| 1234 | if (unlikely(ret != 0)) { |
| 1235 | DRM_ERROR("Failed to initialize STDU %d", i); |
| 1236 | goto err_vblank_cleanup; |
| 1237 | } |
| 1238 | } |
| 1239 | |
Sinclair Yeh | 35c0512 | 2015-06-26 01:42:06 -0700 | [diff] [blame] | 1240 | DRM_INFO("Screen Target Display device initialized\n"); |
| 1241 | |
| 1242 | return 0; |
| 1243 | |
| 1244 | err_vblank_cleanup: |
| 1245 | drm_vblank_cleanup(dev); |
| 1246 | return ret; |
| 1247 | } |
| 1248 | |
| 1249 | |
| 1250 | |
| 1251 | /** |
| 1252 | * vmw_kms_stdu_close_display - Cleans up after vmw_kms_stdu_init_display |
| 1253 | * |
| 1254 | * @dev_priv: VMW DRM device |
| 1255 | * |
| 1256 | * Frees up any resources allocated by vmw_kms_stdu_init_display |
| 1257 | * |
| 1258 | * RETURNS: |
| 1259 | * 0 on success |
| 1260 | */ |
| 1261 | int vmw_kms_stdu_close_display(struct vmw_private *dev_priv) |
| 1262 | { |
| 1263 | struct drm_device *dev = dev_priv->dev; |
| 1264 | |
| 1265 | drm_vblank_cleanup(dev); |
| 1266 | |
| 1267 | return 0; |
| 1268 | } |