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56d1c78d JB |
1 | /************************************************************************** |
2 | * | |
54fbde8a | 3 | * Copyright © 2011-2015 VMware, Inc., Palo Alto, CA., USA |
56d1c78d JB |
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" | |
3cb9ae4f | 29 | #include <drm/drm_plane_helper.h> |
56d1c78d JB |
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 | ||
10b1e0ca TH |
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 | ||
56d1c78d | 82 | struct vmw_screen_object_display { |
6987427a | 83 | unsigned num_implicit; |
56d1c78d | 84 | |
6987427a | 85 | struct vmw_framebuffer *implicit_fb; |
10b1e0ca TH |
86 | SVGAFifoCmdDefineGMRFB cur; |
87 | struct vmw_dma_buffer *pinned_gmrfb; | |
56d1c78d JB |
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; | |
6987427a | 100 | bool active_implicit; |
56d1c78d JB |
101 | }; |
102 | ||
103 | static void vmw_sou_destroy(struct vmw_screen_object_unit *sou) | |
104 | { | |
c8261a96 | 105 | vmw_du_cleanup(&sou->base); |
56d1c78d JB |
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 | ||
0e708bc5 | 119 | static void vmw_sou_del_active(struct vmw_private *vmw_priv, |
c8261a96 | 120 | struct vmw_screen_object_unit *sou) |
56d1c78d JB |
121 | { |
122 | struct vmw_screen_object_display *ld = vmw_priv->sou_priv; | |
56d1c78d | 123 | |
6987427a TH |
124 | if (sou->active_implicit) { |
125 | if (--(ld->num_implicit) == 0) | |
126 | ld->implicit_fb = NULL; | |
127 | sou->active_implicit = false; | |
0e708bc5 | 128 | } |
56d1c78d JB |
129 | } |
130 | ||
0e708bc5 | 131 | static void vmw_sou_add_active(struct vmw_private *vmw_priv, |
c8261a96 SY |
132 | struct vmw_screen_object_unit *sou, |
133 | struct vmw_framebuffer *vfb) | |
56d1c78d JB |
134 | { |
135 | struct vmw_screen_object_display *ld = vmw_priv->sou_priv; | |
56d1c78d | 136 | |
6987427a | 137 | BUG_ON(!ld->num_implicit && ld->implicit_fb); |
56d1c78d | 138 | |
6987427a TH |
139 | if (!sou->active_implicit && sou->base.is_implicit) { |
140 | ld->implicit_fb = vfb; | |
141 | sou->active_implicit = true; | |
142 | ld->num_implicit++; | |
56d1c78d | 143 | } |
56d1c78d JB |
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; | |
6987427a TH |
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 | } | |
56d1c78d JB |
188 | |
189 | /* Ok to assume that buffer is pinned in vram */ | |
b37a6b9a | 190 | vmw_bo_get_guest_ptr(&sou->buffer->base, &cmd->obj.backingStore.ptr); |
56d1c78d JB |
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 | { | |
10b1e0ca | 250 | vmw_dmabuf_unreference(&sou->buffer); |
56d1c78d JB |
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) { | |
c8261a96 | 315 | DRM_ERROR("Too many connectors\n"); |
56d1c78d JB |
316 | return -EINVAL; |
317 | } | |
318 | ||
319 | if (set->num_connectors == 1 && | |
320 | set->connectors[0] != &sou->base.connector) { | |
c8261a96 | 321 | DRM_ERROR("Connector doesn't match %p %p\n", |
56d1c78d JB |
322 | set->connectors[0], &sou->base.connector); |
323 | return -EINVAL; | |
324 | } | |
325 | ||
326 | /* sou only supports one fb active at the time */ | |
6987427a TH |
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) { | |
56d1c78d JB |
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; | |
f4510a27 | 349 | crtc->primary->fb = NULL; |
56d1c78d JB |
350 | crtc->x = 0; |
351 | crtc->y = 0; | |
c6c1f325 | 352 | crtc->enabled = false; |
56d1c78d JB |
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 | ||
153b3d5b | 372 | vmw_svga_enable(dev_priv); |
56d1c78d JB |
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; | |
f4510a27 | 410 | crtc->primary->fb = NULL; |
56d1c78d JB |
411 | crtc->x = 0; |
412 | crtc->y = 0; | |
c6c1f325 | 413 | crtc->enabled = false; |
56d1c78d JB |
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; | |
f4510a27 | 423 | crtc->primary->fb = fb; |
56d1c78d JB |
424 | crtc->x = set->x; |
425 | crtc->y = set->y; | |
c6c1f325 | 426 | crtc->enabled = true; |
56d1c78d JB |
427 | |
428 | return 0; | |
429 | } | |
430 | ||
c8261a96 SY |
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 | */ | |
b9eb1a61 TH |
453 | static void vmw_sou_update_implicit_fb(struct vmw_private *dev_priv, |
454 | struct drm_crtc *crtc) | |
c8261a96 SY |
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); | |
c8261a96 SY |
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) | |
10b1e0ca TH |
491 | ret = vmw_kms_sou_do_dmabuf_dirty(dev_priv, vfb, |
492 | &clips, 1, 1, | |
493 | true, &fence); | |
c8261a96 | 494 | else |
10b1e0ca TH |
495 | ret = vmw_kms_sou_do_surface_dirty(dev_priv, vfb, |
496 | &clips, NULL, NULL, | |
497 | 0, 0, 1, 1, &fence); | |
c8261a96 SY |
498 | |
499 | ||
500 | if (ret != 0) | |
501 | goto out_no_fence; | |
502 | if (!fence) { | |
503 | ret = -EINVAL; | |
504 | goto out_no_fence; | |
505 | } | |
506 | ||
10b1e0ca TH |
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 | } | |
c8261a96 SY |
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 | ||
56d1c78d JB |
533 | static struct drm_crtc_funcs vmw_screen_object_crtc_funcs = { |
534 | .save = vmw_du_crtc_save, | |
535 | .restore = vmw_du_crtc_restore, | |
8fbf9d92 | 536 | .cursor_set2 = vmw_du_crtc_cursor_set2, |
56d1c78d JB |
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, | |
c8261a96 | 541 | .page_flip = vmw_sou_crtc_page_flip, |
56d1c78d JB |
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 | ||
c8261a96 | 566 | static struct drm_connector_funcs vmw_sou_connector_funcs = { |
56d1c78d JB |
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 | ||
6987427a | 593 | sou->active_implicit = false; |
56d1c78d JB |
594 | |
595 | sou->base.pref_active = (unit == 0); | |
eb4f923b JB |
596 | sou->base.pref_width = dev_priv->initial_width; |
597 | sou->base.pref_height = dev_priv->initial_height; | |
56d1c78d | 598 | sou->base.pref_mode = NULL; |
6987427a | 599 | sou->base.is_implicit = true; |
56d1c78d | 600 | |
c8261a96 | 601 | drm_connector_init(dev, connector, &vmw_sou_connector_funcs, |
305151e3 | 602 | DRM_MODE_CONNECTOR_VIRTUAL); |
56d1c78d JB |
603 | connector->status = vmw_du_connector_detect(connector, true); |
604 | ||
605 | drm_encoder_init(dev, encoder, &vmw_screen_object_encoder_funcs, | |
305151e3 | 606 | DRM_MODE_ENCODER_VIRTUAL); |
56d1c78d JB |
607 | drm_mode_connector_attach_encoder(connector, encoder); |
608 | encoder->possible_crtcs = (1 << unit); | |
609 | encoder->possible_clones = 0; | |
610 | ||
34ea3d38 | 611 | (void) drm_connector_register(connector); |
6a0a7a9e | 612 | |
56d1c78d JB |
613 | drm_crtc_init(dev, crtc, &vmw_screen_object_crtc_funcs); |
614 | ||
615 | drm_mode_crtc_set_gamma_size(crtc, 256); | |
616 | ||
b8b163ba | 617 | drm_object_attach_property(&connector->base, |
56d1c78d JB |
618 | dev->mode_config.dirty_info_property, |
619 | 1); | |
620 | ||
621 | return 0; | |
622 | } | |
623 | ||
c8261a96 | 624 | int vmw_kms_sou_init_display(struct vmw_private *dev_priv) |
56d1c78d JB |
625 | { |
626 | struct drm_device *dev = dev_priv->dev; | |
74b5ea30 | 627 | int i, ret; |
56d1c78d JB |
628 | |
629 | if (dev_priv->sou_priv) { | |
630 | DRM_INFO("sou system already on\n"); | |
631 | return -EINVAL; | |
632 | } | |
633 | ||
29a16e95 | 634 | if (!(dev_priv->capabilities & SVGA_CAP_SCREEN_OBJECT_2)) { |
56d1c78d JB |
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 | ||
6987427a TH |
645 | dev_priv->sou_priv->num_implicit = 0; |
646 | dev_priv->sou_priv->implicit_fb = NULL; | |
56d1c78d JB |
647 | |
648 | ret = drm_vblank_init(dev, VMWGFX_NUM_DISPLAY_UNITS); | |
649 | if (unlikely(ret != 0)) | |
650 | goto err_free; | |
651 | ||
74b5ea30 | 652 | ret = drm_mode_create_dirty_info_property(dev); |
56d1c78d JB |
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 | ||
c8261a96 SY |
659 | dev_priv->active_display_unit = vmw_du_screen_object; |
660 | ||
661 | DRM_INFO("Screen Objects Display Unit initialized\n"); | |
56d1c78d JB |
662 | |
663 | return 0; | |
664 | ||
665 | err_vblank_cleanup: | |
666 | drm_vblank_cleanup(dev); | |
667 | err_free: | |
668 | kfree(dev_priv->sou_priv); | |
60a16a30 | 669 | dev_priv->sou_priv = NULL; |
56d1c78d JB |
670 | err_no_mem: |
671 | return ret; | |
672 | } | |
673 | ||
c8261a96 | 674 | int vmw_kms_sou_close_display(struct vmw_private *dev_priv) |
56d1c78d JB |
675 | { |
676 | struct drm_device *dev = dev_priv->dev; | |
677 | ||
56d1c78d JB |
678 | if (!dev_priv->sou_priv) |
679 | return -ENOSYS; | |
680 | ||
60a16a30 JB |
681 | drm_vblank_cleanup(dev); |
682 | ||
56d1c78d JB |
683 | kfree(dev_priv->sou_priv); |
684 | ||
685 | return 0; | |
686 | } | |
b5ec427e | 687 | |
10b1e0ca | 688 | static int do_dmabuf_define_gmrfb(struct vmw_private *dev_priv, |
c8261a96 | 689 | struct vmw_framebuffer *framebuffer) |
b5ec427e | 690 | { |
10b1e0ca TH |
691 | struct vmw_dma_buffer *buf = |
692 | container_of(framebuffer, struct vmw_framebuffer_dmabuf, | |
693 | base)->buffer; | |
c8261a96 | 694 | int depth = framebuffer->base.depth; |
c8261a96 SY |
695 | struct { |
696 | uint32_t header; | |
697 | SVGAFifoCmdDefineGMRFB body; | |
698 | } *cmd; | |
b5ec427e | 699 | |
c8261a96 SY |
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; | |
b5ec427e | 706 | |
10b1e0ca TH |
707 | cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd)); |
708 | if (!cmd) { | |
709 | DRM_ERROR("Out of fifo space for dirty framebuffer command.\n"); | |
c8261a96 SY |
710 | return -ENOMEM; |
711 | } | |
712 | ||
c8261a96 SY |
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]; | |
10b1e0ca TH |
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)); | |
721 | ||
722 | return 0; | |
723 | } | |
724 | ||
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; | |
c8261a96 | 858 | |
10b1e0ca TH |
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; | |
c8261a96 | 864 | |
10b1e0ca TH |
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); | |
c8261a96 SY |
869 | |
870 | return ret; | |
b5ec427e JB |
871 | } |
872 | ||
10b1e0ca TH |
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, | |
c8261a96 | 927 | struct vmw_framebuffer *framebuffer, |
c8261a96 SY |
928 | struct drm_clip_rect *clips, |
929 | unsigned num_clips, int increment, | |
10b1e0ca | 930 | bool interruptible, |
c8261a96 | 931 | struct vmw_fence_obj **out_fence) |
b5ec427e | 932 | { |
10b1e0ca TH |
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; | |
b5ec427e | 938 | |
10b1e0ca TH |
939 | ret = vmw_kms_helper_buffer_prepare(dev_priv, buf, interruptible, |
940 | false); | |
941 | if (ret) | |
942 | return ret; | |
b5ec427e | 943 | |
10b1e0ca | 944 | ret = do_dmabuf_define_gmrfb(dev_priv, framebuffer); |
c8261a96 | 945 | if (unlikely(ret != 0)) |
10b1e0ca | 946 | goto out_revert; |
c8261a96 | 947 | |
10b1e0ca TH |
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); | |
c8261a96 | 955 | |
10b1e0ca | 956 | return ret; |
c8261a96 | 957 | |
10b1e0ca TH |
958 | out_revert: |
959 | vmw_kms_helper_buffer_revert(buf); | |
c8261a96 | 960 | |
10b1e0ca TH |
961 | return ret; |
962 | } | |
c8261a96 | 963 | |
c8261a96 | 964 | |
10b1e0ca TH |
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); | |
b5ec427e | 977 | } |
c8261a96 | 978 | |
10b1e0ca TH |
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 | } |