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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> |
d7721ca7 SY |
30 | #include <drm/drm_atomic.h> |
31 | #include <drm/drm_atomic_helper.h> | |
56d1c78d JB |
32 | |
33 | ||
34 | #define vmw_crtc_to_sou(x) \ | |
35 | container_of(x, struct vmw_screen_object_unit, base.crtc) | |
36 | #define vmw_encoder_to_sou(x) \ | |
37 | container_of(x, struct vmw_screen_object_unit, base.encoder) | |
38 | #define vmw_connector_to_sou(x) \ | |
39 | container_of(x, struct vmw_screen_object_unit, base.connector) | |
40 | ||
10b1e0ca TH |
41 | /** |
42 | * struct vmw_kms_sou_surface_dirty - Closure structure for | |
43 | * blit surface to screen command. | |
44 | * @base: The base type we derive from. Used by vmw_kms_helper_dirty(). | |
45 | * @left: Left side of bounding box. | |
46 | * @right: Right side of bounding box. | |
47 | * @top: Top side of bounding box. | |
48 | * @bottom: Bottom side of bounding box. | |
49 | * @dst_x: Difference between source clip rects and framebuffer coordinates. | |
50 | * @dst_y: Difference between source clip rects and framebuffer coordinates. | |
51 | * @sid: Surface id of surface to copy from. | |
52 | */ | |
53 | struct vmw_kms_sou_surface_dirty { | |
54 | struct vmw_kms_dirty base; | |
55 | s32 left, right, top, bottom; | |
56 | s32 dst_x, dst_y; | |
57 | u32 sid; | |
58 | }; | |
59 | ||
60 | /* | |
61 | * SVGA commands that are used by this code. Please see the device headers | |
62 | * for explanation. | |
63 | */ | |
64 | struct vmw_kms_sou_readback_blit { | |
65 | uint32 header; | |
66 | SVGAFifoCmdBlitScreenToGMRFB body; | |
67 | }; | |
68 | ||
69 | struct vmw_kms_sou_dmabuf_blit { | |
70 | uint32 header; | |
71 | SVGAFifoCmdBlitGMRFBToScreen body; | |
72 | }; | |
73 | ||
74 | struct vmw_kms_sou_dirty_cmd { | |
75 | SVGA3dCmdHeader header; | |
76 | SVGA3dCmdBlitSurfaceToScreen body; | |
77 | }; | |
78 | ||
56d1c78d JB |
79 | /** |
80 | * Display unit using screen objects. | |
81 | */ | |
82 | struct vmw_screen_object_unit { | |
83 | struct vmw_display_unit base; | |
84 | ||
85 | unsigned long buffer_size; /**< Size of allocated buffer */ | |
86 | struct vmw_dma_buffer *buffer; /**< Backing store buffer */ | |
87 | ||
88 | bool defined; | |
56d1c78d JB |
89 | }; |
90 | ||
91 | static void vmw_sou_destroy(struct vmw_screen_object_unit *sou) | |
92 | { | |
c8261a96 | 93 | vmw_du_cleanup(&sou->base); |
56d1c78d JB |
94 | kfree(sou); |
95 | } | |
96 | ||
97 | ||
98 | /* | |
99 | * Screen Object Display Unit CRTC functions | |
100 | */ | |
101 | ||
102 | static void vmw_sou_crtc_destroy(struct drm_crtc *crtc) | |
103 | { | |
104 | vmw_sou_destroy(vmw_crtc_to_sou(crtc)); | |
105 | } | |
106 | ||
56d1c78d JB |
107 | /** |
108 | * Send the fifo command to create a screen. | |
109 | */ | |
110 | static int vmw_sou_fifo_create(struct vmw_private *dev_priv, | |
111 | struct vmw_screen_object_unit *sou, | |
112 | uint32_t x, uint32_t y, | |
113 | struct drm_display_mode *mode) | |
114 | { | |
115 | size_t fifo_size; | |
116 | ||
117 | struct { | |
118 | struct { | |
119 | uint32_t cmdType; | |
120 | } header; | |
121 | SVGAScreenObject obj; | |
122 | } *cmd; | |
123 | ||
124 | BUG_ON(!sou->buffer); | |
125 | ||
126 | fifo_size = sizeof(*cmd); | |
127 | cmd = vmw_fifo_reserve(dev_priv, fifo_size); | |
128 | /* The hardware has hung, nothing we can do about it here. */ | |
129 | if (unlikely(cmd == NULL)) { | |
130 | DRM_ERROR("Fifo reserve failed.\n"); | |
131 | return -ENOMEM; | |
132 | } | |
133 | ||
134 | memset(cmd, 0, fifo_size); | |
135 | cmd->header.cmdType = SVGA_CMD_DEFINE_SCREEN; | |
136 | cmd->obj.structSize = sizeof(SVGAScreenObject); | |
137 | cmd->obj.id = sou->base.unit; | |
138 | cmd->obj.flags = SVGA_SCREEN_HAS_ROOT | | |
139 | (sou->base.unit == 0 ? SVGA_SCREEN_IS_PRIMARY : 0); | |
140 | cmd->obj.size.width = mode->hdisplay; | |
141 | cmd->obj.size.height = mode->vdisplay; | |
6987427a TH |
142 | if (sou->base.is_implicit) { |
143 | cmd->obj.root.x = x; | |
144 | cmd->obj.root.y = y; | |
145 | } else { | |
146 | cmd->obj.root.x = sou->base.gui_x; | |
147 | cmd->obj.root.y = sou->base.gui_y; | |
148 | } | |
6dd687b4 TH |
149 | sou->base.set_gui_x = cmd->obj.root.x; |
150 | sou->base.set_gui_y = cmd->obj.root.y; | |
56d1c78d JB |
151 | |
152 | /* Ok to assume that buffer is pinned in vram */ | |
b37a6b9a | 153 | vmw_bo_get_guest_ptr(&sou->buffer->base, &cmd->obj.backingStore.ptr); |
56d1c78d JB |
154 | cmd->obj.backingStore.pitch = mode->hdisplay * 4; |
155 | ||
156 | vmw_fifo_commit(dev_priv, fifo_size); | |
157 | ||
158 | sou->defined = true; | |
159 | ||
160 | return 0; | |
161 | } | |
162 | ||
163 | /** | |
164 | * Send the fifo command to destroy a screen. | |
165 | */ | |
166 | static int vmw_sou_fifo_destroy(struct vmw_private *dev_priv, | |
167 | struct vmw_screen_object_unit *sou) | |
168 | { | |
169 | size_t fifo_size; | |
170 | int ret; | |
171 | ||
172 | struct { | |
173 | struct { | |
174 | uint32_t cmdType; | |
175 | } header; | |
176 | SVGAFifoCmdDestroyScreen body; | |
177 | } *cmd; | |
178 | ||
179 | /* no need to do anything */ | |
180 | if (unlikely(!sou->defined)) | |
181 | return 0; | |
182 | ||
183 | fifo_size = sizeof(*cmd); | |
184 | cmd = vmw_fifo_reserve(dev_priv, fifo_size); | |
185 | /* the hardware has hung, nothing we can do about it here */ | |
186 | if (unlikely(cmd == NULL)) { | |
187 | DRM_ERROR("Fifo reserve failed.\n"); | |
188 | return -ENOMEM; | |
189 | } | |
190 | ||
191 | memset(cmd, 0, fifo_size); | |
192 | cmd->header.cmdType = SVGA_CMD_DESTROY_SCREEN; | |
193 | cmd->body.screenId = sou->base.unit; | |
194 | ||
195 | vmw_fifo_commit(dev_priv, fifo_size); | |
196 | ||
197 | /* Force sync */ | |
198 | ret = vmw_fallback_wait(dev_priv, false, true, 0, false, 3*HZ); | |
199 | if (unlikely(ret != 0)) | |
200 | DRM_ERROR("Failed to sync with HW"); | |
201 | else | |
202 | sou->defined = false; | |
203 | ||
204 | return ret; | |
205 | } | |
206 | ||
06ec4190 SY |
207 | /** |
208 | * vmw_sou_crtc_mode_set_nofb - Create new screen | |
209 | * | |
210 | * @crtc: CRTC associated with the new screen | |
211 | * | |
212 | * This function creates/destroys a screen. This function cannot fail, so if | |
213 | * somehow we run into a failure, just do the best we can to get out. | |
214 | */ | |
215 | static void vmw_sou_crtc_mode_set_nofb(struct drm_crtc *crtc) | |
216 | { | |
217 | struct vmw_private *dev_priv; | |
218 | struct vmw_screen_object_unit *sou; | |
219 | struct vmw_framebuffer *vfb; | |
220 | struct drm_framebuffer *fb; | |
221 | struct drm_plane_state *ps; | |
222 | struct vmw_plane_state *vps; | |
223 | int ret; | |
224 | ||
225 | ||
226 | sou = vmw_crtc_to_sou(crtc); | |
227 | dev_priv = vmw_priv(crtc->dev); | |
228 | ps = crtc->primary->state; | |
229 | fb = ps->fb; | |
230 | vps = vmw_plane_state_to_vps(ps); | |
231 | ||
232 | vfb = (fb) ? vmw_framebuffer_to_vfb(fb) : NULL; | |
233 | ||
234 | if (sou->defined) { | |
235 | ret = vmw_sou_fifo_destroy(dev_priv, sou); | |
236 | if (ret) { | |
237 | DRM_ERROR("Failed to destroy Screen Object\n"); | |
238 | return; | |
239 | } | |
240 | } | |
241 | ||
242 | if (vfb) { | |
243 | sou->buffer = vps->dmabuf; | |
244 | sou->buffer_size = vps->dmabuf_size; | |
245 | ||
246 | ret = vmw_sou_fifo_create(dev_priv, sou, crtc->x, crtc->y, | |
247 | &crtc->mode); | |
248 | if (ret) | |
249 | DRM_ERROR("Failed to define Screen Object %dx%d\n", | |
250 | crtc->x, crtc->y); | |
251 | ||
252 | vmw_kms_add_active(dev_priv, &sou->base, vfb); | |
253 | } else { | |
254 | sou->buffer = NULL; | |
255 | sou->buffer_size = 0; | |
256 | ||
257 | vmw_kms_del_active(dev_priv, &sou->base); | |
258 | } | |
259 | } | |
260 | ||
261 | /** | |
262 | * vmw_sou_crtc_helper_prepare - Noop | |
263 | * | |
264 | * @crtc: CRTC associated with the new screen | |
265 | * | |
266 | * Prepares the CRTC for a mode set, but we don't need to do anything here. | |
267 | */ | |
268 | static void vmw_sou_crtc_helper_prepare(struct drm_crtc *crtc) | |
269 | { | |
270 | } | |
271 | ||
272 | /** | |
0b20a0f8 | 273 | * vmw_sou_crtc_atomic_enable - Noop |
06ec4190 SY |
274 | * |
275 | * @crtc: CRTC associated with the new screen | |
276 | * | |
277 | * This is called after a mode set has been completed. | |
278 | */ | |
0b20a0f8 LP |
279 | static void vmw_sou_crtc_atomic_enable(struct drm_crtc *crtc, |
280 | struct drm_crtc_state *old_state) | |
06ec4190 SY |
281 | { |
282 | } | |
283 | ||
284 | /** | |
285 | * vmw_sou_crtc_helper_disable - Turns off CRTC | |
286 | * | |
287 | * @crtc: CRTC to be turned off | |
288 | */ | |
289 | static void vmw_sou_crtc_helper_disable(struct drm_crtc *crtc) | |
290 | { | |
291 | struct vmw_private *dev_priv; | |
292 | struct vmw_screen_object_unit *sou; | |
293 | int ret; | |
294 | ||
295 | ||
296 | if (!crtc) { | |
297 | DRM_ERROR("CRTC is NULL\n"); | |
298 | return; | |
299 | } | |
300 | ||
301 | sou = vmw_crtc_to_sou(crtc); | |
302 | dev_priv = vmw_priv(crtc->dev); | |
303 | ||
304 | if (sou->defined) { | |
305 | ret = vmw_sou_fifo_destroy(dev_priv, sou); | |
306 | if (ret) | |
307 | DRM_ERROR("Failed to destroy Screen Object\n"); | |
308 | } | |
309 | } | |
310 | ||
c8261a96 | 311 | static int vmw_sou_crtc_page_flip(struct drm_crtc *crtc, |
b0119cb9 | 312 | struct drm_framebuffer *new_fb, |
c8261a96 | 313 | struct drm_pending_vblank_event *event, |
41292b1f DV |
314 | uint32_t flags, |
315 | struct drm_modeset_acquire_ctx *ctx) | |
c8261a96 SY |
316 | { |
317 | struct vmw_private *dev_priv = vmw_priv(crtc->dev); | |
318 | struct drm_framebuffer *old_fb = crtc->primary->fb; | |
b0119cb9 | 319 | struct vmw_framebuffer *vfb = vmw_framebuffer_to_vfb(new_fb); |
c8261a96 | 320 | struct vmw_fence_obj *fence = NULL; |
897b8180 | 321 | struct drm_vmw_rect vclips; |
c8261a96 SY |
322 | int ret; |
323 | ||
75c06855 | 324 | if (!vmw_kms_crtc_flippable(dev_priv, crtc)) |
c8261a96 SY |
325 | return -EINVAL; |
326 | ||
b0119cb9 | 327 | flags &= ~DRM_MODE_PAGE_FLIP_ASYNC; |
320d8c3d | 328 | ret = drm_atomic_helper_page_flip(crtc, new_fb, NULL, flags, ctx); |
b0119cb9 SY |
329 | if (ret) { |
330 | DRM_ERROR("Page flip error %d.\n", ret); | |
331 | return ret; | |
332 | } | |
c8261a96 SY |
333 | |
334 | /* do a full screen dirty update */ | |
897b8180 TH |
335 | vclips.x = crtc->x; |
336 | vclips.y = crtc->y; | |
337 | vclips.w = crtc->mode.hdisplay; | |
338 | vclips.h = crtc->mode.vdisplay; | |
c8261a96 SY |
339 | |
340 | if (vfb->dmabuf) | |
10b1e0ca | 341 | ret = vmw_kms_sou_do_dmabuf_dirty(dev_priv, vfb, |
897b8180 | 342 | NULL, &vclips, 1, 1, |
10b1e0ca | 343 | true, &fence); |
c8261a96 | 344 | else |
10b1e0ca | 345 | ret = vmw_kms_sou_do_surface_dirty(dev_priv, vfb, |
897b8180 | 346 | NULL, &vclips, NULL, |
10b1e0ca | 347 | 0, 0, 1, 1, &fence); |
c8261a96 SY |
348 | |
349 | ||
350 | if (ret != 0) | |
351 | goto out_no_fence; | |
352 | if (!fence) { | |
353 | ret = -EINVAL; | |
354 | goto out_no_fence; | |
355 | } | |
356 | ||
10b1e0ca TH |
357 | if (event) { |
358 | struct drm_file *file_priv = event->base.file_priv; | |
359 | ||
360 | ret = vmw_event_fence_action_queue(file_priv, fence, | |
361 | &event->base, | |
362 | &event->event.tv_sec, | |
363 | &event->event.tv_usec, | |
364 | true); | |
365 | } | |
c8261a96 SY |
366 | |
367 | /* | |
368 | * No need to hold on to this now. The only cleanup | |
369 | * we need to do if we fail is unref the fence. | |
370 | */ | |
371 | vmw_fence_obj_unreference(&fence); | |
372 | ||
373 | if (vmw_crtc_to_du(crtc)->is_implicit) | |
75c06855 | 374 | vmw_kms_update_implicit_fb(dev_priv, crtc); |
c8261a96 SY |
375 | |
376 | return ret; | |
377 | ||
378 | out_no_fence: | |
b0119cb9 | 379 | drm_atomic_set_fb_for_plane(crtc->primary->state, old_fb); |
c8261a96 SY |
380 | return ret; |
381 | } | |
382 | ||
d7955fcf | 383 | static const struct drm_crtc_funcs vmw_screen_object_crtc_funcs = { |
56d1c78d JB |
384 | .gamma_set = vmw_du_crtc_gamma_set, |
385 | .destroy = vmw_sou_crtc_destroy, | |
9c2542a4 SY |
386 | .reset = vmw_du_crtc_reset, |
387 | .atomic_duplicate_state = vmw_du_crtc_duplicate_state, | |
388 | .atomic_destroy_state = vmw_du_crtc_destroy_state, | |
b0119cb9 | 389 | .set_config = vmw_kms_set_config, |
c8261a96 | 390 | .page_flip = vmw_sou_crtc_page_flip, |
56d1c78d JB |
391 | }; |
392 | ||
393 | /* | |
394 | * Screen Object Display Unit encoder functions | |
395 | */ | |
396 | ||
397 | static void vmw_sou_encoder_destroy(struct drm_encoder *encoder) | |
398 | { | |
399 | vmw_sou_destroy(vmw_encoder_to_sou(encoder)); | |
400 | } | |
401 | ||
d7955fcf | 402 | static const struct drm_encoder_funcs vmw_screen_object_encoder_funcs = { |
56d1c78d JB |
403 | .destroy = vmw_sou_encoder_destroy, |
404 | }; | |
405 | ||
406 | /* | |
407 | * Screen Object Display Unit connector functions | |
408 | */ | |
409 | ||
410 | static void vmw_sou_connector_destroy(struct drm_connector *connector) | |
411 | { | |
412 | vmw_sou_destroy(vmw_connector_to_sou(connector)); | |
413 | } | |
414 | ||
d7955fcf | 415 | static const struct drm_connector_funcs vmw_sou_connector_funcs = { |
56d1c78d | 416 | .dpms = vmw_du_connector_dpms, |
d17e67de TR |
417 | .detect = vmw_du_connector_detect, |
418 | .fill_modes = vmw_du_connector_fill_modes, | |
56d1c78d JB |
419 | .set_property = vmw_du_connector_set_property, |
420 | .destroy = vmw_sou_connector_destroy, | |
d7721ca7 SY |
421 | .reset = vmw_du_connector_reset, |
422 | .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, | |
423 | .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, | |
424 | .atomic_set_property = vmw_du_connector_atomic_set_property, | |
425 | .atomic_get_property = vmw_du_connector_atomic_get_property, | |
56d1c78d JB |
426 | }; |
427 | ||
d947d1b7 SY |
428 | |
429 | static const struct | |
430 | drm_connector_helper_funcs vmw_sou_connector_helper_funcs = { | |
431 | .best_encoder = drm_atomic_helper_best_encoder, | |
432 | }; | |
433 | ||
434 | ||
435 | ||
36cc79bc SY |
436 | /* |
437 | * Screen Object Display Plane Functions | |
438 | */ | |
439 | ||
060e2ad5 SY |
440 | /** |
441 | * vmw_sou_primary_plane_cleanup_fb - Frees sou backing buffer | |
442 | * | |
443 | * @plane: display plane | |
444 | * @old_state: Contains the FB to clean up | |
445 | * | |
446 | * Unpins the display surface | |
447 | * | |
448 | * Returns 0 on success | |
449 | */ | |
450 | static void | |
451 | vmw_sou_primary_plane_cleanup_fb(struct drm_plane *plane, | |
452 | struct drm_plane_state *old_state) | |
453 | { | |
454 | struct vmw_plane_state *vps = vmw_plane_state_to_vps(old_state); | |
455 | ||
456 | vmw_dmabuf_unreference(&vps->dmabuf); | |
457 | vps->dmabuf_size = 0; | |
458 | ||
459 | vmw_du_plane_cleanup_fb(plane, old_state); | |
460 | } | |
461 | ||
462 | ||
463 | /** | |
464 | * vmw_sou_primary_plane_prepare_fb - allocate backing buffer | |
465 | * | |
466 | * @plane: display plane | |
467 | * @new_state: info on the new plane state, including the FB | |
468 | * | |
469 | * The SOU backing buffer is our equivalent of the display plane. | |
470 | * | |
471 | * Returns 0 on success | |
472 | */ | |
473 | static int | |
474 | vmw_sou_primary_plane_prepare_fb(struct drm_plane *plane, | |
475 | struct drm_plane_state *new_state) | |
476 | { | |
477 | struct drm_framebuffer *new_fb = new_state->fb; | |
478 | struct drm_crtc *crtc = plane->state->crtc ?: new_state->crtc; | |
479 | struct vmw_plane_state *vps = vmw_plane_state_to_vps(new_state); | |
480 | struct vmw_private *dev_priv; | |
481 | size_t size; | |
482 | int ret; | |
483 | ||
484 | ||
485 | if (!new_fb) { | |
486 | vmw_dmabuf_unreference(&vps->dmabuf); | |
487 | vps->dmabuf_size = 0; | |
488 | ||
489 | return 0; | |
490 | } | |
491 | ||
492 | size = new_state->crtc_w * new_state->crtc_h * 4; | |
493 | ||
494 | if (vps->dmabuf) { | |
495 | if (vps->dmabuf_size == size) | |
496 | return 0; | |
497 | ||
498 | vmw_dmabuf_unreference(&vps->dmabuf); | |
499 | vps->dmabuf_size = 0; | |
500 | } | |
501 | ||
502 | vps->dmabuf = kzalloc(sizeof(*vps->dmabuf), GFP_KERNEL); | |
503 | if (!vps->dmabuf) | |
504 | return -ENOMEM; | |
505 | ||
506 | dev_priv = vmw_priv(crtc->dev); | |
507 | vmw_svga_enable(dev_priv); | |
508 | ||
509 | /* After we have alloced the backing store might not be able to | |
510 | * resume the overlays, this is preferred to failing to alloc. | |
511 | */ | |
512 | vmw_overlay_pause_all(dev_priv); | |
513 | ret = vmw_dmabuf_init(dev_priv, vps->dmabuf, size, | |
514 | &vmw_vram_ne_placement, | |
515 | false, &vmw_dmabuf_bo_free); | |
516 | vmw_overlay_resume_all(dev_priv); | |
517 | ||
518 | if (ret != 0) | |
519 | vps->dmabuf = NULL; /* vmw_dmabuf_init frees on error */ | |
520 | else | |
521 | vps->dmabuf_size = size; | |
522 | ||
523 | return ret; | |
524 | } | |
525 | ||
526 | ||
527 | static void | |
528 | vmw_sou_primary_plane_atomic_update(struct drm_plane *plane, | |
529 | struct drm_plane_state *old_state) | |
530 | { | |
b0119cb9 SY |
531 | struct drm_crtc *crtc = plane->state->crtc; |
532 | ||
533 | if (crtc) | |
534 | crtc->primary->fb = plane->state->fb; | |
060e2ad5 SY |
535 | } |
536 | ||
537 | ||
36cc79bc | 538 | static const struct drm_plane_funcs vmw_sou_plane_funcs = { |
b0119cb9 SY |
539 | .update_plane = drm_atomic_helper_update_plane, |
540 | .disable_plane = drm_atomic_helper_disable_plane, | |
36cc79bc | 541 | .destroy = vmw_du_primary_plane_destroy, |
cc5ec459 SY |
542 | .reset = vmw_du_plane_reset, |
543 | .atomic_duplicate_state = vmw_du_plane_duplicate_state, | |
544 | .atomic_destroy_state = vmw_du_plane_destroy_state, | |
36cc79bc SY |
545 | }; |
546 | ||
547 | static const struct drm_plane_funcs vmw_sou_cursor_funcs = { | |
b0119cb9 SY |
548 | .update_plane = drm_atomic_helper_update_plane, |
549 | .disable_plane = drm_atomic_helper_disable_plane, | |
36cc79bc | 550 | .destroy = vmw_du_cursor_plane_destroy, |
cc5ec459 SY |
551 | .reset = vmw_du_plane_reset, |
552 | .atomic_duplicate_state = vmw_du_plane_duplicate_state, | |
553 | .atomic_destroy_state = vmw_du_plane_destroy_state, | |
36cc79bc SY |
554 | }; |
555 | ||
06ec4190 SY |
556 | /* |
557 | * Atomic Helpers | |
558 | */ | |
060e2ad5 SY |
559 | static const struct |
560 | drm_plane_helper_funcs vmw_sou_cursor_plane_helper_funcs = { | |
561 | .atomic_check = vmw_du_cursor_plane_atomic_check, | |
562 | .atomic_update = vmw_du_cursor_plane_atomic_update, | |
563 | .prepare_fb = vmw_du_cursor_plane_prepare_fb, | |
564 | .cleanup_fb = vmw_du_plane_cleanup_fb, | |
565 | }; | |
566 | ||
567 | static const struct | |
568 | drm_plane_helper_funcs vmw_sou_primary_plane_helper_funcs = { | |
569 | .atomic_check = vmw_du_primary_plane_atomic_check, | |
570 | .atomic_update = vmw_sou_primary_plane_atomic_update, | |
571 | .prepare_fb = vmw_sou_primary_plane_prepare_fb, | |
572 | .cleanup_fb = vmw_sou_primary_plane_cleanup_fb, | |
573 | }; | |
574 | ||
06ec4190 SY |
575 | static const struct drm_crtc_helper_funcs vmw_sou_crtc_helper_funcs = { |
576 | .prepare = vmw_sou_crtc_helper_prepare, | |
06ec4190 | 577 | .disable = vmw_sou_crtc_helper_disable, |
06ec4190 SY |
578 | .mode_set_nofb = vmw_sou_crtc_mode_set_nofb, |
579 | .atomic_check = vmw_du_crtc_atomic_check, | |
580 | .atomic_begin = vmw_du_crtc_atomic_begin, | |
581 | .atomic_flush = vmw_du_crtc_atomic_flush, | |
0b20a0f8 | 582 | .atomic_enable = vmw_sou_crtc_atomic_enable, |
06ec4190 SY |
583 | }; |
584 | ||
36cc79bc | 585 | |
56d1c78d JB |
586 | static int vmw_sou_init(struct vmw_private *dev_priv, unsigned unit) |
587 | { | |
588 | struct vmw_screen_object_unit *sou; | |
589 | struct drm_device *dev = dev_priv->dev; | |
590 | struct drm_connector *connector; | |
591 | struct drm_encoder *encoder; | |
cc5ec459 | 592 | struct drm_plane *primary, *cursor; |
56d1c78d | 593 | struct drm_crtc *crtc; |
36cc79bc | 594 | int ret; |
56d1c78d JB |
595 | |
596 | sou = kzalloc(sizeof(*sou), GFP_KERNEL); | |
597 | if (!sou) | |
598 | return -ENOMEM; | |
599 | ||
600 | sou->base.unit = unit; | |
601 | crtc = &sou->base.crtc; | |
602 | encoder = &sou->base.encoder; | |
603 | connector = &sou->base.connector; | |
cc5ec459 SY |
604 | primary = &sou->base.primary; |
605 | cursor = &sou->base.cursor; | |
56d1c78d | 606 | |
75c06855 | 607 | sou->base.active_implicit = false; |
56d1c78d | 608 | sou->base.pref_active = (unit == 0); |
eb4f923b JB |
609 | sou->base.pref_width = dev_priv->initial_width; |
610 | sou->base.pref_height = dev_priv->initial_height; | |
56d1c78d | 611 | sou->base.pref_mode = NULL; |
9c2542a4 SY |
612 | |
613 | /* | |
614 | * Remove this after enabling atomic because property values can | |
615 | * only exist in a state object | |
616 | */ | |
2e69b25b | 617 | sou->base.is_implicit = false; |
56d1c78d | 618 | |
36cc79bc | 619 | /* Initialize primary plane */ |
cc5ec459 SY |
620 | vmw_du_plane_reset(primary); |
621 | ||
36cc79bc SY |
622 | ret = drm_universal_plane_init(dev, &sou->base.primary, |
623 | 0, &vmw_sou_plane_funcs, | |
624 | vmw_primary_plane_formats, | |
625 | ARRAY_SIZE(vmw_primary_plane_formats), | |
626 | DRM_PLANE_TYPE_PRIMARY, NULL); | |
627 | if (ret) { | |
628 | DRM_ERROR("Failed to initialize primary plane"); | |
629 | goto err_free; | |
630 | } | |
631 | ||
060e2ad5 SY |
632 | drm_plane_helper_add(primary, &vmw_sou_primary_plane_helper_funcs); |
633 | ||
36cc79bc | 634 | /* Initialize cursor plane */ |
cc5ec459 SY |
635 | vmw_du_plane_reset(cursor); |
636 | ||
36cc79bc SY |
637 | ret = drm_universal_plane_init(dev, &sou->base.cursor, |
638 | 0, &vmw_sou_cursor_funcs, | |
639 | vmw_cursor_plane_formats, | |
640 | ARRAY_SIZE(vmw_cursor_plane_formats), | |
641 | DRM_PLANE_TYPE_CURSOR, NULL); | |
642 | if (ret) { | |
643 | DRM_ERROR("Failed to initialize cursor plane"); | |
644 | drm_plane_cleanup(&sou->base.primary); | |
645 | goto err_free; | |
646 | } | |
647 | ||
060e2ad5 SY |
648 | drm_plane_helper_add(cursor, &vmw_sou_cursor_plane_helper_funcs); |
649 | ||
650 | vmw_du_connector_reset(connector); | |
36cc79bc SY |
651 | ret = drm_connector_init(dev, connector, &vmw_sou_connector_funcs, |
652 | DRM_MODE_CONNECTOR_VIRTUAL); | |
653 | if (ret) { | |
654 | DRM_ERROR("Failed to initialize connector\n"); | |
655 | goto err_free; | |
656 | } | |
657 | ||
d947d1b7 | 658 | drm_connector_helper_add(connector, &vmw_sou_connector_helper_funcs); |
56d1c78d | 659 | connector->status = vmw_du_connector_detect(connector, true); |
d7721ca7 SY |
660 | vmw_connector_state_to_vcs(connector->state)->is_implicit = false; |
661 | ||
56d1c78d | 662 | |
36cc79bc SY |
663 | ret = drm_encoder_init(dev, encoder, &vmw_screen_object_encoder_funcs, |
664 | DRM_MODE_ENCODER_VIRTUAL, NULL); | |
665 | if (ret) { | |
666 | DRM_ERROR("Failed to initialize encoder\n"); | |
667 | goto err_free_connector; | |
668 | } | |
669 | ||
670 | (void) drm_mode_connector_attach_encoder(connector, encoder); | |
56d1c78d JB |
671 | encoder->possible_crtcs = (1 << unit); |
672 | encoder->possible_clones = 0; | |
673 | ||
36cc79bc SY |
674 | ret = drm_connector_register(connector); |
675 | if (ret) { | |
676 | DRM_ERROR("Failed to register connector\n"); | |
677 | goto err_free_encoder; | |
678 | } | |
6a0a7a9e | 679 | |
d7721ca7 SY |
680 | |
681 | vmw_du_crtc_reset(crtc); | |
36cc79bc SY |
682 | ret = drm_crtc_init_with_planes(dev, crtc, &sou->base.primary, |
683 | &sou->base.cursor, | |
684 | &vmw_screen_object_crtc_funcs, NULL); | |
685 | if (ret) { | |
686 | DRM_ERROR("Failed to initialize CRTC\n"); | |
687 | goto err_free_unregister; | |
688 | } | |
56d1c78d | 689 | |
06ec4190 SY |
690 | drm_crtc_helper_add(crtc, &vmw_sou_crtc_helper_funcs); |
691 | ||
56d1c78d JB |
692 | drm_mode_crtc_set_gamma_size(crtc, 256); |
693 | ||
578e609a TH |
694 | drm_object_attach_property(&connector->base, |
695 | dev_priv->hotplug_mode_update_property, 1); | |
696 | drm_object_attach_property(&connector->base, | |
697 | dev->mode_config.suggested_x_property, 0); | |
698 | drm_object_attach_property(&connector->base, | |
699 | dev->mode_config.suggested_y_property, 0); | |
76404ac0 TH |
700 | if (dev_priv->implicit_placement_property) |
701 | drm_object_attach_property | |
702 | (&connector->base, | |
703 | dev_priv->implicit_placement_property, | |
704 | sou->base.is_implicit); | |
56d1c78d JB |
705 | |
706 | return 0; | |
36cc79bc SY |
707 | |
708 | err_free_unregister: | |
709 | drm_connector_unregister(connector); | |
710 | err_free_encoder: | |
711 | drm_encoder_cleanup(encoder); | |
712 | err_free_connector: | |
713 | drm_connector_cleanup(connector); | |
714 | err_free: | |
715 | kfree(sou); | |
716 | return ret; | |
56d1c78d JB |
717 | } |
718 | ||
c8261a96 | 719 | int vmw_kms_sou_init_display(struct vmw_private *dev_priv) |
56d1c78d JB |
720 | { |
721 | struct drm_device *dev = dev_priv->dev; | |
74b5ea30 | 722 | int i, ret; |
56d1c78d | 723 | |
29a16e95 | 724 | if (!(dev_priv->capabilities & SVGA_CAP_SCREEN_OBJECT_2)) { |
56d1c78d JB |
725 | DRM_INFO("Not using screen objects," |
726 | " missing cap SCREEN_OBJECT_2\n"); | |
727 | return -ENOSYS; | |
728 | } | |
729 | ||
730 | ret = -ENOMEM; | |
75c06855 TH |
731 | dev_priv->num_implicit = 0; |
732 | dev_priv->implicit_fb = NULL; | |
56d1c78d JB |
733 | |
734 | ret = drm_vblank_init(dev, VMWGFX_NUM_DISPLAY_UNITS); | |
735 | if (unlikely(ret != 0)) | |
75c06855 | 736 | return ret; |
56d1c78d | 737 | |
76404ac0 TH |
738 | vmw_kms_create_implicit_placement_property(dev_priv, false); |
739 | ||
56d1c78d JB |
740 | for (i = 0; i < VMWGFX_NUM_DISPLAY_UNITS; ++i) |
741 | vmw_sou_init(dev_priv, i); | |
742 | ||
c8261a96 SY |
743 | dev_priv->active_display_unit = vmw_du_screen_object; |
744 | ||
745 | DRM_INFO("Screen Objects Display Unit initialized\n"); | |
56d1c78d JB |
746 | |
747 | return 0; | |
56d1c78d JB |
748 | } |
749 | ||
10b1e0ca | 750 | static int do_dmabuf_define_gmrfb(struct vmw_private *dev_priv, |
c8261a96 | 751 | struct vmw_framebuffer *framebuffer) |
b5ec427e | 752 | { |
10b1e0ca TH |
753 | struct vmw_dma_buffer *buf = |
754 | container_of(framebuffer, struct vmw_framebuffer_dmabuf, | |
755 | base)->buffer; | |
b00c600e | 756 | int depth = framebuffer->base.format->depth; |
c8261a96 SY |
757 | struct { |
758 | uint32_t header; | |
759 | SVGAFifoCmdDefineGMRFB body; | |
760 | } *cmd; | |
b5ec427e | 761 | |
c8261a96 SY |
762 | /* Emulate RGBA support, contrary to svga_reg.h this is not |
763 | * supported by hosts. This is only a problem if we are reading | |
764 | * this value later and expecting what we uploaded back. | |
765 | */ | |
766 | if (depth == 32) | |
767 | depth = 24; | |
b5ec427e | 768 | |
10b1e0ca TH |
769 | cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd)); |
770 | if (!cmd) { | |
771 | DRM_ERROR("Out of fifo space for dirty framebuffer command.\n"); | |
c8261a96 SY |
772 | return -ENOMEM; |
773 | } | |
774 | ||
c8261a96 | 775 | cmd->header = SVGA_CMD_DEFINE_GMRFB; |
272725c7 | 776 | cmd->body.format.bitsPerPixel = framebuffer->base.format->cpp[0] * 8; |
c8261a96 SY |
777 | cmd->body.format.colorDepth = depth; |
778 | cmd->body.format.reserved = 0; | |
779 | cmd->body.bytesPerLine = framebuffer->base.pitches[0]; | |
10b1e0ca TH |
780 | /* Buffer is reserved in vram or GMR */ |
781 | vmw_bo_get_guest_ptr(&buf->base, &cmd->body.ptr); | |
782 | vmw_fifo_commit(dev_priv, sizeof(*cmd)); | |
783 | ||
784 | return 0; | |
785 | } | |
786 | ||
787 | /** | |
788 | * vmw_sou_surface_fifo_commit - Callback to fill in and submit a | |
789 | * blit surface to screen command. | |
790 | * | |
791 | * @dirty: The closure structure. | |
792 | * | |
793 | * Fills in the missing fields in the command, and translates the cliprects | |
794 | * to match the destination bounding box encoded. | |
795 | */ | |
796 | static void vmw_sou_surface_fifo_commit(struct vmw_kms_dirty *dirty) | |
797 | { | |
798 | struct vmw_kms_sou_surface_dirty *sdirty = | |
799 | container_of(dirty, typeof(*sdirty), base); | |
800 | struct vmw_kms_sou_dirty_cmd *cmd = dirty->cmd; | |
801 | s32 trans_x = dirty->unit->crtc.x - sdirty->dst_x; | |
802 | s32 trans_y = dirty->unit->crtc.y - sdirty->dst_y; | |
803 | size_t region_size = dirty->num_hits * sizeof(SVGASignedRect); | |
804 | SVGASignedRect *blit = (SVGASignedRect *) &cmd[1]; | |
805 | int i; | |
806 | ||
fea7dd54 TH |
807 | if (!dirty->num_hits) { |
808 | vmw_fifo_commit(dirty->dev_priv, 0); | |
809 | return; | |
810 | } | |
811 | ||
10b1e0ca TH |
812 | cmd->header.id = SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN; |
813 | cmd->header.size = sizeof(cmd->body) + region_size; | |
814 | ||
815 | /* | |
816 | * Use the destination bounding box to specify destination - and | |
817 | * source bounding regions. | |
818 | */ | |
819 | cmd->body.destRect.left = sdirty->left; | |
820 | cmd->body.destRect.right = sdirty->right; | |
821 | cmd->body.destRect.top = sdirty->top; | |
822 | cmd->body.destRect.bottom = sdirty->bottom; | |
823 | ||
824 | cmd->body.srcRect.left = sdirty->left + trans_x; | |
825 | cmd->body.srcRect.right = sdirty->right + trans_x; | |
826 | cmd->body.srcRect.top = sdirty->top + trans_y; | |
827 | cmd->body.srcRect.bottom = sdirty->bottom + trans_y; | |
828 | ||
829 | cmd->body.srcImage.sid = sdirty->sid; | |
830 | cmd->body.destScreenId = dirty->unit->unit; | |
831 | ||
832 | /* Blits are relative to the destination rect. Translate. */ | |
833 | for (i = 0; i < dirty->num_hits; ++i, ++blit) { | |
834 | blit->left -= sdirty->left; | |
835 | blit->right -= sdirty->left; | |
836 | blit->top -= sdirty->top; | |
837 | blit->bottom -= sdirty->top; | |
838 | } | |
839 | ||
840 | vmw_fifo_commit(dirty->dev_priv, region_size + sizeof(*cmd)); | |
841 | ||
842 | sdirty->left = sdirty->top = S32_MAX; | |
843 | sdirty->right = sdirty->bottom = S32_MIN; | |
844 | } | |
845 | ||
846 | /** | |
847 | * vmw_sou_surface_clip - Callback to encode a blit surface to screen cliprect. | |
848 | * | |
849 | * @dirty: The closure structure | |
850 | * | |
851 | * Encodes a SVGASignedRect cliprect and updates the bounding box of the | |
852 | * BLIT_SURFACE_TO_SCREEN command. | |
853 | */ | |
854 | static void vmw_sou_surface_clip(struct vmw_kms_dirty *dirty) | |
855 | { | |
856 | struct vmw_kms_sou_surface_dirty *sdirty = | |
857 | container_of(dirty, typeof(*sdirty), base); | |
858 | struct vmw_kms_sou_dirty_cmd *cmd = dirty->cmd; | |
859 | SVGASignedRect *blit = (SVGASignedRect *) &cmd[1]; | |
860 | ||
861 | /* Destination rect. */ | |
862 | blit += dirty->num_hits; | |
863 | blit->left = dirty->unit_x1; | |
864 | blit->top = dirty->unit_y1; | |
865 | blit->right = dirty->unit_x2; | |
866 | blit->bottom = dirty->unit_y2; | |
867 | ||
868 | /* Destination bounding box */ | |
869 | sdirty->left = min_t(s32, sdirty->left, dirty->unit_x1); | |
870 | sdirty->top = min_t(s32, sdirty->top, dirty->unit_y1); | |
871 | sdirty->right = max_t(s32, sdirty->right, dirty->unit_x2); | |
872 | sdirty->bottom = max_t(s32, sdirty->bottom, dirty->unit_y2); | |
873 | ||
874 | dirty->num_hits++; | |
875 | } | |
876 | ||
877 | /** | |
878 | * vmw_kms_sou_do_surface_dirty - Dirty part of a surface backed framebuffer | |
879 | * | |
880 | * @dev_priv: Pointer to the device private structure. | |
881 | * @framebuffer: Pointer to the surface-buffer backed framebuffer. | |
882 | * @clips: Array of clip rects. Either @clips or @vclips must be NULL. | |
883 | * @vclips: Alternate array of clip rects. Either @clips or @vclips must | |
884 | * be NULL. | |
885 | * @srf: Pointer to surface to blit from. If NULL, the surface attached | |
886 | * to @framebuffer will be used. | |
887 | * @dest_x: X coordinate offset to align @srf with framebuffer coordinates. | |
888 | * @dest_y: Y coordinate offset to align @srf with framebuffer coordinates. | |
889 | * @num_clips: Number of clip rects in @clips. | |
890 | * @inc: Increment to use when looping over @clips. | |
891 | * @out_fence: If non-NULL, will return a ref-counted pointer to a | |
892 | * struct vmw_fence_obj. The returned fence pointer may be NULL in which | |
893 | * case the device has already synchronized. | |
894 | * | |
895 | * Returns 0 on success, negative error code on failure. -ERESTARTSYS if | |
896 | * interrupted. | |
897 | */ | |
898 | int vmw_kms_sou_do_surface_dirty(struct vmw_private *dev_priv, | |
899 | struct vmw_framebuffer *framebuffer, | |
900 | struct drm_clip_rect *clips, | |
901 | struct drm_vmw_rect *vclips, | |
902 | struct vmw_resource *srf, | |
903 | s32 dest_x, | |
904 | s32 dest_y, | |
905 | unsigned num_clips, int inc, | |
906 | struct vmw_fence_obj **out_fence) | |
907 | { | |
908 | struct vmw_framebuffer_surface *vfbs = | |
909 | container_of(framebuffer, typeof(*vfbs), base); | |
910 | struct vmw_kms_sou_surface_dirty sdirty; | |
911 | int ret; | |
912 | ||
913 | if (!srf) | |
914 | srf = &vfbs->surface->res; | |
915 | ||
916 | ret = vmw_kms_helper_resource_prepare(srf, true); | |
917 | if (ret) | |
918 | return ret; | |
919 | ||
920 | sdirty.base.fifo_commit = vmw_sou_surface_fifo_commit; | |
921 | sdirty.base.clip = vmw_sou_surface_clip; | |
922 | sdirty.base.dev_priv = dev_priv; | |
923 | sdirty.base.fifo_reserve_size = sizeof(struct vmw_kms_sou_dirty_cmd) + | |
924 | sizeof(SVGASignedRect) * num_clips; | |
c8261a96 | 925 | |
10b1e0ca TH |
926 | sdirty.sid = srf->id; |
927 | sdirty.left = sdirty.top = S32_MAX; | |
928 | sdirty.right = sdirty.bottom = S32_MIN; | |
929 | sdirty.dst_x = dest_x; | |
930 | sdirty.dst_y = dest_y; | |
c8261a96 | 931 | |
10b1e0ca TH |
932 | ret = vmw_kms_helper_dirty(dev_priv, framebuffer, clips, vclips, |
933 | dest_x, dest_y, num_clips, inc, | |
934 | &sdirty.base); | |
935 | vmw_kms_helper_resource_finish(srf, out_fence); | |
c8261a96 SY |
936 | |
937 | return ret; | |
b5ec427e JB |
938 | } |
939 | ||
10b1e0ca TH |
940 | /** |
941 | * vmw_sou_dmabuf_fifo_commit - Callback to submit a set of readback clips. | |
942 | * | |
943 | * @dirty: The closure structure. | |
944 | * | |
945 | * Commits a previously built command buffer of readback clips. | |
946 | */ | |
947 | static void vmw_sou_dmabuf_fifo_commit(struct vmw_kms_dirty *dirty) | |
948 | { | |
fea7dd54 TH |
949 | if (!dirty->num_hits) { |
950 | vmw_fifo_commit(dirty->dev_priv, 0); | |
951 | return; | |
952 | } | |
953 | ||
10b1e0ca TH |
954 | vmw_fifo_commit(dirty->dev_priv, |
955 | sizeof(struct vmw_kms_sou_dmabuf_blit) * | |
956 | dirty->num_hits); | |
957 | } | |
958 | ||
959 | /** | |
960 | * vmw_sou_dmabuf_clip - Callback to encode a readback cliprect. | |
961 | * | |
962 | * @dirty: The closure structure | |
963 | * | |
964 | * Encodes a BLIT_GMRFB_TO_SCREEN cliprect. | |
965 | */ | |
966 | static void vmw_sou_dmabuf_clip(struct vmw_kms_dirty *dirty) | |
967 | { | |
968 | struct vmw_kms_sou_dmabuf_blit *blit = dirty->cmd; | |
969 | ||
970 | blit += dirty->num_hits; | |
971 | blit->header = SVGA_CMD_BLIT_GMRFB_TO_SCREEN; | |
972 | blit->body.destScreenId = dirty->unit->unit; | |
973 | blit->body.srcOrigin.x = dirty->fb_x; | |
974 | blit->body.srcOrigin.y = dirty->fb_y; | |
975 | blit->body.destRect.left = dirty->unit_x1; | |
976 | blit->body.destRect.top = dirty->unit_y1; | |
977 | blit->body.destRect.right = dirty->unit_x2; | |
978 | blit->body.destRect.bottom = dirty->unit_y2; | |
979 | dirty->num_hits++; | |
980 | } | |
981 | ||
982 | /** | |
983 | * vmw_kms_do_dmabuf_dirty - Dirty part of a dma-buffer backed framebuffer | |
984 | * | |
985 | * @dev_priv: Pointer to the device private structure. | |
986 | * @framebuffer: Pointer to the dma-buffer backed framebuffer. | |
987 | * @clips: Array of clip rects. | |
897b8180 TH |
988 | * @vclips: Alternate array of clip rects. Either @clips or @vclips must |
989 | * be NULL. | |
10b1e0ca TH |
990 | * @num_clips: Number of clip rects in @clips. |
991 | * @increment: Increment to use when looping over @clips. | |
992 | * @interruptible: Whether to perform waits interruptible if possible. | |
993 | * @out_fence: If non-NULL, will return a ref-counted pointer to a | |
994 | * struct vmw_fence_obj. The returned fence pointer may be NULL in which | |
995 | * case the device has already synchronized. | |
996 | * | |
997 | * Returns 0 on success, negative error code on failure. -ERESTARTSYS if | |
998 | * interrupted. | |
999 | */ | |
1000 | int vmw_kms_sou_do_dmabuf_dirty(struct vmw_private *dev_priv, | |
c8261a96 | 1001 | struct vmw_framebuffer *framebuffer, |
c8261a96 | 1002 | struct drm_clip_rect *clips, |
897b8180 | 1003 | struct drm_vmw_rect *vclips, |
c8261a96 | 1004 | unsigned num_clips, int increment, |
10b1e0ca | 1005 | bool interruptible, |
c8261a96 | 1006 | struct vmw_fence_obj **out_fence) |
b5ec427e | 1007 | { |
10b1e0ca TH |
1008 | struct vmw_dma_buffer *buf = |
1009 | container_of(framebuffer, struct vmw_framebuffer_dmabuf, | |
1010 | base)->buffer; | |
1011 | struct vmw_kms_dirty dirty; | |
1012 | int ret; | |
b5ec427e | 1013 | |
10b1e0ca TH |
1014 | ret = vmw_kms_helper_buffer_prepare(dev_priv, buf, interruptible, |
1015 | false); | |
1016 | if (ret) | |
1017 | return ret; | |
b5ec427e | 1018 | |
10b1e0ca | 1019 | ret = do_dmabuf_define_gmrfb(dev_priv, framebuffer); |
c8261a96 | 1020 | if (unlikely(ret != 0)) |
10b1e0ca | 1021 | goto out_revert; |
c8261a96 | 1022 | |
10b1e0ca TH |
1023 | dirty.fifo_commit = vmw_sou_dmabuf_fifo_commit; |
1024 | dirty.clip = vmw_sou_dmabuf_clip; | |
1025 | dirty.fifo_reserve_size = sizeof(struct vmw_kms_sou_dmabuf_blit) * | |
1026 | num_clips; | |
897b8180 | 1027 | ret = vmw_kms_helper_dirty(dev_priv, framebuffer, clips, vclips, |
10b1e0ca TH |
1028 | 0, 0, num_clips, increment, &dirty); |
1029 | vmw_kms_helper_buffer_finish(dev_priv, NULL, buf, out_fence, NULL); | |
c8261a96 | 1030 | |
10b1e0ca | 1031 | return ret; |
c8261a96 | 1032 | |
10b1e0ca TH |
1033 | out_revert: |
1034 | vmw_kms_helper_buffer_revert(buf); | |
c8261a96 | 1035 | |
10b1e0ca TH |
1036 | return ret; |
1037 | } | |
c8261a96 | 1038 | |
c8261a96 | 1039 | |
10b1e0ca TH |
1040 | /** |
1041 | * vmw_sou_readback_fifo_commit - Callback to submit a set of readback clips. | |
1042 | * | |
1043 | * @dirty: The closure structure. | |
1044 | * | |
1045 | * Commits a previously built command buffer of readback clips. | |
1046 | */ | |
1047 | static void vmw_sou_readback_fifo_commit(struct vmw_kms_dirty *dirty) | |
1048 | { | |
fea7dd54 TH |
1049 | if (!dirty->num_hits) { |
1050 | vmw_fifo_commit(dirty->dev_priv, 0); | |
1051 | return; | |
1052 | } | |
1053 | ||
10b1e0ca TH |
1054 | vmw_fifo_commit(dirty->dev_priv, |
1055 | sizeof(struct vmw_kms_sou_readback_blit) * | |
1056 | dirty->num_hits); | |
b5ec427e | 1057 | } |
c8261a96 | 1058 | |
10b1e0ca TH |
1059 | /** |
1060 | * vmw_sou_readback_clip - Callback to encode a readback cliprect. | |
1061 | * | |
1062 | * @dirty: The closure structure | |
1063 | * | |
1064 | * Encodes a BLIT_SCREEN_TO_GMRFB cliprect. | |
1065 | */ | |
1066 | static void vmw_sou_readback_clip(struct vmw_kms_dirty *dirty) | |
1067 | { | |
1068 | struct vmw_kms_sou_readback_blit *blit = dirty->cmd; | |
1069 | ||
1070 | blit += dirty->num_hits; | |
1071 | blit->header = SVGA_CMD_BLIT_SCREEN_TO_GMRFB; | |
1072 | blit->body.srcScreenId = dirty->unit->unit; | |
1073 | blit->body.destOrigin.x = dirty->fb_x; | |
1074 | blit->body.destOrigin.y = dirty->fb_y; | |
1075 | blit->body.srcRect.left = dirty->unit_x1; | |
1076 | blit->body.srcRect.top = dirty->unit_y1; | |
1077 | blit->body.srcRect.right = dirty->unit_x2; | |
1078 | blit->body.srcRect.bottom = dirty->unit_y2; | |
1079 | dirty->num_hits++; | |
1080 | } | |
1081 | ||
1082 | /** | |
1083 | * vmw_kms_sou_readback - Perform a readback from the screen object system to | |
1084 | * a dma-buffer backed framebuffer. | |
1085 | * | |
1086 | * @dev_priv: Pointer to the device private structure. | |
1087 | * @file_priv: Pointer to a struct drm_file identifying the caller. | |
1088 | * Must be set to NULL if @user_fence_rep is NULL. | |
1089 | * @vfb: Pointer to the dma-buffer backed framebuffer. | |
1090 | * @user_fence_rep: User-space provided structure for fence information. | |
1091 | * Must be set to non-NULL if @file_priv is non-NULL. | |
1092 | * @vclips: Array of clip rects. | |
1093 | * @num_clips: Number of clip rects in @vclips. | |
1094 | * | |
1095 | * Returns 0 on success, negative error code on failure. -ERESTARTSYS if | |
1096 | * interrupted. | |
1097 | */ | |
1098 | int vmw_kms_sou_readback(struct vmw_private *dev_priv, | |
1099 | struct drm_file *file_priv, | |
1100 | struct vmw_framebuffer *vfb, | |
1101 | struct drm_vmw_fence_rep __user *user_fence_rep, | |
1102 | struct drm_vmw_rect *vclips, | |
1103 | uint32_t num_clips) | |
1104 | { | |
1105 | struct vmw_dma_buffer *buf = | |
1106 | container_of(vfb, struct vmw_framebuffer_dmabuf, base)->buffer; | |
1107 | struct vmw_kms_dirty dirty; | |
1108 | int ret; | |
1109 | ||
1110 | ret = vmw_kms_helper_buffer_prepare(dev_priv, buf, true, false); | |
1111 | if (ret) | |
1112 | return ret; | |
1113 | ||
1114 | ret = do_dmabuf_define_gmrfb(dev_priv, vfb); | |
1115 | if (unlikely(ret != 0)) | |
1116 | goto out_revert; | |
1117 | ||
1118 | dirty.fifo_commit = vmw_sou_readback_fifo_commit; | |
1119 | dirty.clip = vmw_sou_readback_clip; | |
1120 | dirty.fifo_reserve_size = sizeof(struct vmw_kms_sou_readback_blit) * | |
1121 | num_clips; | |
1122 | ret = vmw_kms_helper_dirty(dev_priv, vfb, NULL, vclips, | |
1123 | 0, 0, num_clips, 1, &dirty); | |
1124 | vmw_kms_helper_buffer_finish(dev_priv, file_priv, buf, NULL, | |
1125 | user_fence_rep); | |
1126 | ||
1127 | return ret; | |
1128 | ||
1129 | out_revert: | |
1130 | vmw_kms_helper_buffer_revert(buf); | |
1131 | ||
1132 | return ret; | |
1133 | } |