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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 | /** | |
64581714 | 285 | * vmw_sou_crtc_atomic_disable - Turns off CRTC |
06ec4190 SY |
286 | * |
287 | * @crtc: CRTC to be turned off | |
288 | */ | |
64581714 LP |
289 | static void vmw_sou_crtc_atomic_disable(struct drm_crtc *crtc, |
290 | struct drm_crtc_state *old_state) | |
06ec4190 SY |
291 | { |
292 | struct vmw_private *dev_priv; | |
293 | struct vmw_screen_object_unit *sou; | |
294 | int ret; | |
295 | ||
296 | ||
297 | if (!crtc) { | |
298 | DRM_ERROR("CRTC is NULL\n"); | |
299 | return; | |
300 | } | |
301 | ||
302 | sou = vmw_crtc_to_sou(crtc); | |
303 | dev_priv = vmw_priv(crtc->dev); | |
304 | ||
305 | if (sou->defined) { | |
306 | ret = vmw_sou_fifo_destroy(dev_priv, sou); | |
307 | if (ret) | |
308 | DRM_ERROR("Failed to destroy Screen Object\n"); | |
309 | } | |
310 | } | |
311 | ||
c8261a96 | 312 | static int vmw_sou_crtc_page_flip(struct drm_crtc *crtc, |
b0119cb9 | 313 | struct drm_framebuffer *new_fb, |
c8261a96 | 314 | struct drm_pending_vblank_event *event, |
41292b1f DV |
315 | uint32_t flags, |
316 | struct drm_modeset_acquire_ctx *ctx) | |
c8261a96 SY |
317 | { |
318 | struct vmw_private *dev_priv = vmw_priv(crtc->dev); | |
319 | struct drm_framebuffer *old_fb = crtc->primary->fb; | |
b0119cb9 | 320 | struct vmw_framebuffer *vfb = vmw_framebuffer_to_vfb(new_fb); |
c8261a96 | 321 | struct vmw_fence_obj *fence = NULL; |
897b8180 | 322 | struct drm_vmw_rect vclips; |
c8261a96 SY |
323 | int ret; |
324 | ||
75c06855 | 325 | if (!vmw_kms_crtc_flippable(dev_priv, crtc)) |
c8261a96 SY |
326 | return -EINVAL; |
327 | ||
b0119cb9 | 328 | flags &= ~DRM_MODE_PAGE_FLIP_ASYNC; |
320d8c3d | 329 | ret = drm_atomic_helper_page_flip(crtc, new_fb, NULL, flags, ctx); |
b0119cb9 SY |
330 | if (ret) { |
331 | DRM_ERROR("Page flip error %d.\n", ret); | |
332 | return ret; | |
333 | } | |
c8261a96 SY |
334 | |
335 | /* do a full screen dirty update */ | |
897b8180 TH |
336 | vclips.x = crtc->x; |
337 | vclips.y = crtc->y; | |
338 | vclips.w = crtc->mode.hdisplay; | |
339 | vclips.h = crtc->mode.vdisplay; | |
c8261a96 SY |
340 | |
341 | if (vfb->dmabuf) | |
10b1e0ca | 342 | ret = vmw_kms_sou_do_dmabuf_dirty(dev_priv, vfb, |
897b8180 | 343 | NULL, &vclips, 1, 1, |
10b1e0ca | 344 | true, &fence); |
c8261a96 | 345 | else |
10b1e0ca | 346 | ret = vmw_kms_sou_do_surface_dirty(dev_priv, vfb, |
897b8180 | 347 | NULL, &vclips, NULL, |
10b1e0ca | 348 | 0, 0, 1, 1, &fence); |
c8261a96 SY |
349 | |
350 | ||
351 | if (ret != 0) | |
352 | goto out_no_fence; | |
353 | if (!fence) { | |
354 | ret = -EINVAL; | |
355 | goto out_no_fence; | |
356 | } | |
357 | ||
10b1e0ca TH |
358 | if (event) { |
359 | struct drm_file *file_priv = event->base.file_priv; | |
360 | ||
361 | ret = vmw_event_fence_action_queue(file_priv, fence, | |
362 | &event->base, | |
bd386e51 KP |
363 | &event->event.vbl.tv_sec, |
364 | &event->event.vbl.tv_usec, | |
10b1e0ca TH |
365 | true); |
366 | } | |
c8261a96 SY |
367 | |
368 | /* | |
369 | * No need to hold on to this now. The only cleanup | |
370 | * we need to do if we fail is unref the fence. | |
371 | */ | |
372 | vmw_fence_obj_unreference(&fence); | |
373 | ||
374 | if (vmw_crtc_to_du(crtc)->is_implicit) | |
75c06855 | 375 | vmw_kms_update_implicit_fb(dev_priv, crtc); |
c8261a96 SY |
376 | |
377 | return ret; | |
378 | ||
379 | out_no_fence: | |
b0119cb9 | 380 | drm_atomic_set_fb_for_plane(crtc->primary->state, old_fb); |
c8261a96 SY |
381 | return ret; |
382 | } | |
383 | ||
d7955fcf | 384 | static const struct drm_crtc_funcs vmw_screen_object_crtc_funcs = { |
56d1c78d JB |
385 | .gamma_set = vmw_du_crtc_gamma_set, |
386 | .destroy = vmw_sou_crtc_destroy, | |
9c2542a4 SY |
387 | .reset = vmw_du_crtc_reset, |
388 | .atomic_duplicate_state = vmw_du_crtc_duplicate_state, | |
389 | .atomic_destroy_state = vmw_du_crtc_destroy_state, | |
b0119cb9 | 390 | .set_config = vmw_kms_set_config, |
c8261a96 | 391 | .page_flip = vmw_sou_crtc_page_flip, |
56d1c78d JB |
392 | }; |
393 | ||
394 | /* | |
395 | * Screen Object Display Unit encoder functions | |
396 | */ | |
397 | ||
398 | static void vmw_sou_encoder_destroy(struct drm_encoder *encoder) | |
399 | { | |
400 | vmw_sou_destroy(vmw_encoder_to_sou(encoder)); | |
401 | } | |
402 | ||
d7955fcf | 403 | static const struct drm_encoder_funcs vmw_screen_object_encoder_funcs = { |
56d1c78d JB |
404 | .destroy = vmw_sou_encoder_destroy, |
405 | }; | |
406 | ||
407 | /* | |
408 | * Screen Object Display Unit connector functions | |
409 | */ | |
410 | ||
411 | static void vmw_sou_connector_destroy(struct drm_connector *connector) | |
412 | { | |
413 | vmw_sou_destroy(vmw_connector_to_sou(connector)); | |
414 | } | |
415 | ||
d7955fcf | 416 | static const struct drm_connector_funcs vmw_sou_connector_funcs = { |
56d1c78d | 417 | .dpms = vmw_du_connector_dpms, |
d17e67de TR |
418 | .detect = vmw_du_connector_detect, |
419 | .fill_modes = vmw_du_connector_fill_modes, | |
56d1c78d JB |
420 | .set_property = vmw_du_connector_set_property, |
421 | .destroy = vmw_sou_connector_destroy, | |
d7721ca7 | 422 | .reset = vmw_du_connector_reset, |
8a510a5c RC |
423 | .atomic_duplicate_state = vmw_du_connector_duplicate_state, |
424 | .atomic_destroy_state = vmw_du_connector_destroy_state, | |
d7721ca7 SY |
425 | .atomic_set_property = vmw_du_connector_atomic_set_property, |
426 | .atomic_get_property = vmw_du_connector_atomic_get_property, | |
56d1c78d JB |
427 | }; |
428 | ||
d947d1b7 SY |
429 | |
430 | static const struct | |
431 | drm_connector_helper_funcs vmw_sou_connector_helper_funcs = { | |
432 | .best_encoder = drm_atomic_helper_best_encoder, | |
433 | }; | |
434 | ||
435 | ||
436 | ||
36cc79bc SY |
437 | /* |
438 | * Screen Object Display Plane Functions | |
439 | */ | |
440 | ||
060e2ad5 SY |
441 | /** |
442 | * vmw_sou_primary_plane_cleanup_fb - Frees sou backing buffer | |
443 | * | |
444 | * @plane: display plane | |
445 | * @old_state: Contains the FB to clean up | |
446 | * | |
447 | * Unpins the display surface | |
448 | * | |
449 | * Returns 0 on success | |
450 | */ | |
451 | static void | |
452 | vmw_sou_primary_plane_cleanup_fb(struct drm_plane *plane, | |
453 | struct drm_plane_state *old_state) | |
454 | { | |
455 | struct vmw_plane_state *vps = vmw_plane_state_to_vps(old_state); | |
456 | ||
457 | vmw_dmabuf_unreference(&vps->dmabuf); | |
458 | vps->dmabuf_size = 0; | |
459 | ||
460 | vmw_du_plane_cleanup_fb(plane, old_state); | |
461 | } | |
462 | ||
463 | ||
464 | /** | |
465 | * vmw_sou_primary_plane_prepare_fb - allocate backing buffer | |
466 | * | |
467 | * @plane: display plane | |
468 | * @new_state: info on the new plane state, including the FB | |
469 | * | |
470 | * The SOU backing buffer is our equivalent of the display plane. | |
471 | * | |
472 | * Returns 0 on success | |
473 | */ | |
474 | static int | |
475 | vmw_sou_primary_plane_prepare_fb(struct drm_plane *plane, | |
476 | struct drm_plane_state *new_state) | |
477 | { | |
478 | struct drm_framebuffer *new_fb = new_state->fb; | |
479 | struct drm_crtc *crtc = plane->state->crtc ?: new_state->crtc; | |
480 | struct vmw_plane_state *vps = vmw_plane_state_to_vps(new_state); | |
481 | struct vmw_private *dev_priv; | |
482 | size_t size; | |
483 | int ret; | |
484 | ||
485 | ||
486 | if (!new_fb) { | |
487 | vmw_dmabuf_unreference(&vps->dmabuf); | |
488 | vps->dmabuf_size = 0; | |
489 | ||
490 | return 0; | |
491 | } | |
492 | ||
493 | size = new_state->crtc_w * new_state->crtc_h * 4; | |
494 | ||
495 | if (vps->dmabuf) { | |
496 | if (vps->dmabuf_size == size) | |
497 | return 0; | |
498 | ||
499 | vmw_dmabuf_unreference(&vps->dmabuf); | |
500 | vps->dmabuf_size = 0; | |
501 | } | |
502 | ||
503 | vps->dmabuf = kzalloc(sizeof(*vps->dmabuf), GFP_KERNEL); | |
504 | if (!vps->dmabuf) | |
505 | return -ENOMEM; | |
506 | ||
507 | dev_priv = vmw_priv(crtc->dev); | |
508 | vmw_svga_enable(dev_priv); | |
509 | ||
510 | /* After we have alloced the backing store might not be able to | |
511 | * resume the overlays, this is preferred to failing to alloc. | |
512 | */ | |
513 | vmw_overlay_pause_all(dev_priv); | |
514 | ret = vmw_dmabuf_init(dev_priv, vps->dmabuf, size, | |
515 | &vmw_vram_ne_placement, | |
516 | false, &vmw_dmabuf_bo_free); | |
517 | vmw_overlay_resume_all(dev_priv); | |
518 | ||
519 | if (ret != 0) | |
520 | vps->dmabuf = NULL; /* vmw_dmabuf_init frees on error */ | |
521 | else | |
522 | vps->dmabuf_size = size; | |
523 | ||
524 | return ret; | |
525 | } | |
526 | ||
527 | ||
528 | static void | |
529 | vmw_sou_primary_plane_atomic_update(struct drm_plane *plane, | |
530 | struct drm_plane_state *old_state) | |
531 | { | |
b0119cb9 SY |
532 | struct drm_crtc *crtc = plane->state->crtc; |
533 | ||
534 | if (crtc) | |
535 | crtc->primary->fb = plane->state->fb; | |
060e2ad5 SY |
536 | } |
537 | ||
538 | ||
36cc79bc | 539 | static const struct drm_plane_funcs vmw_sou_plane_funcs = { |
b0119cb9 SY |
540 | .update_plane = drm_atomic_helper_update_plane, |
541 | .disable_plane = drm_atomic_helper_disable_plane, | |
36cc79bc | 542 | .destroy = vmw_du_primary_plane_destroy, |
cc5ec459 SY |
543 | .reset = vmw_du_plane_reset, |
544 | .atomic_duplicate_state = vmw_du_plane_duplicate_state, | |
545 | .atomic_destroy_state = vmw_du_plane_destroy_state, | |
36cc79bc SY |
546 | }; |
547 | ||
548 | static const struct drm_plane_funcs vmw_sou_cursor_funcs = { | |
b0119cb9 SY |
549 | .update_plane = drm_atomic_helper_update_plane, |
550 | .disable_plane = drm_atomic_helper_disable_plane, | |
36cc79bc | 551 | .destroy = vmw_du_cursor_plane_destroy, |
cc5ec459 SY |
552 | .reset = vmw_du_plane_reset, |
553 | .atomic_duplicate_state = vmw_du_plane_duplicate_state, | |
554 | .atomic_destroy_state = vmw_du_plane_destroy_state, | |
36cc79bc SY |
555 | }; |
556 | ||
06ec4190 SY |
557 | /* |
558 | * Atomic Helpers | |
559 | */ | |
060e2ad5 SY |
560 | static const struct |
561 | drm_plane_helper_funcs vmw_sou_cursor_plane_helper_funcs = { | |
562 | .atomic_check = vmw_du_cursor_plane_atomic_check, | |
563 | .atomic_update = vmw_du_cursor_plane_atomic_update, | |
564 | .prepare_fb = vmw_du_cursor_plane_prepare_fb, | |
565 | .cleanup_fb = vmw_du_plane_cleanup_fb, | |
566 | }; | |
567 | ||
568 | static const struct | |
569 | drm_plane_helper_funcs vmw_sou_primary_plane_helper_funcs = { | |
570 | .atomic_check = vmw_du_primary_plane_atomic_check, | |
571 | .atomic_update = vmw_sou_primary_plane_atomic_update, | |
572 | .prepare_fb = vmw_sou_primary_plane_prepare_fb, | |
573 | .cleanup_fb = vmw_sou_primary_plane_cleanup_fb, | |
574 | }; | |
575 | ||
06ec4190 SY |
576 | static const struct drm_crtc_helper_funcs vmw_sou_crtc_helper_funcs = { |
577 | .prepare = vmw_sou_crtc_helper_prepare, | |
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, |
64581714 | 583 | .atomic_disable = vmw_sou_crtc_atomic_disable, |
06ec4190 SY |
584 | }; |
585 | ||
36cc79bc | 586 | |
56d1c78d JB |
587 | static int vmw_sou_init(struct vmw_private *dev_priv, unsigned unit) |
588 | { | |
589 | struct vmw_screen_object_unit *sou; | |
590 | struct drm_device *dev = dev_priv->dev; | |
591 | struct drm_connector *connector; | |
592 | struct drm_encoder *encoder; | |
cc5ec459 | 593 | struct drm_plane *primary, *cursor; |
56d1c78d | 594 | struct drm_crtc *crtc; |
36cc79bc | 595 | int ret; |
56d1c78d JB |
596 | |
597 | sou = kzalloc(sizeof(*sou), GFP_KERNEL); | |
598 | if (!sou) | |
599 | return -ENOMEM; | |
600 | ||
601 | sou->base.unit = unit; | |
602 | crtc = &sou->base.crtc; | |
603 | encoder = &sou->base.encoder; | |
604 | connector = &sou->base.connector; | |
cc5ec459 SY |
605 | primary = &sou->base.primary; |
606 | cursor = &sou->base.cursor; | |
56d1c78d | 607 | |
75c06855 | 608 | sou->base.active_implicit = false; |
56d1c78d | 609 | sou->base.pref_active = (unit == 0); |
eb4f923b JB |
610 | sou->base.pref_width = dev_priv->initial_width; |
611 | sou->base.pref_height = dev_priv->initial_height; | |
56d1c78d | 612 | sou->base.pref_mode = NULL; |
9c2542a4 SY |
613 | |
614 | /* | |
615 | * Remove this after enabling atomic because property values can | |
616 | * only exist in a state object | |
617 | */ | |
2e69b25b | 618 | sou->base.is_implicit = false; |
56d1c78d | 619 | |
36cc79bc | 620 | /* Initialize primary plane */ |
cc5ec459 SY |
621 | vmw_du_plane_reset(primary); |
622 | ||
36cc79bc SY |
623 | ret = drm_universal_plane_init(dev, &sou->base.primary, |
624 | 0, &vmw_sou_plane_funcs, | |
625 | vmw_primary_plane_formats, | |
626 | ARRAY_SIZE(vmw_primary_plane_formats), | |
e6fc3b68 | 627 | NULL, DRM_PLANE_TYPE_PRIMARY, NULL); |
36cc79bc SY |
628 | if (ret) { |
629 | DRM_ERROR("Failed to initialize primary plane"); | |
630 | goto err_free; | |
631 | } | |
632 | ||
060e2ad5 SY |
633 | drm_plane_helper_add(primary, &vmw_sou_primary_plane_helper_funcs); |
634 | ||
36cc79bc | 635 | /* Initialize cursor plane */ |
cc5ec459 SY |
636 | vmw_du_plane_reset(cursor); |
637 | ||
36cc79bc SY |
638 | ret = drm_universal_plane_init(dev, &sou->base.cursor, |
639 | 0, &vmw_sou_cursor_funcs, | |
640 | vmw_cursor_plane_formats, | |
641 | ARRAY_SIZE(vmw_cursor_plane_formats), | |
e6fc3b68 | 642 | NULL, DRM_PLANE_TYPE_CURSOR, NULL); |
36cc79bc SY |
643 | if (ret) { |
644 | DRM_ERROR("Failed to initialize cursor plane"); | |
645 | drm_plane_cleanup(&sou->base.primary); | |
646 | goto err_free; | |
647 | } | |
648 | ||
060e2ad5 SY |
649 | drm_plane_helper_add(cursor, &vmw_sou_cursor_plane_helper_funcs); |
650 | ||
651 | vmw_du_connector_reset(connector); | |
36cc79bc SY |
652 | ret = drm_connector_init(dev, connector, &vmw_sou_connector_funcs, |
653 | DRM_MODE_CONNECTOR_VIRTUAL); | |
654 | if (ret) { | |
655 | DRM_ERROR("Failed to initialize connector\n"); | |
656 | goto err_free; | |
657 | } | |
658 | ||
d947d1b7 | 659 | drm_connector_helper_add(connector, &vmw_sou_connector_helper_funcs); |
56d1c78d | 660 | connector->status = vmw_du_connector_detect(connector, true); |
d7721ca7 SY |
661 | vmw_connector_state_to_vcs(connector->state)->is_implicit = false; |
662 | ||
56d1c78d | 663 | |
36cc79bc SY |
664 | ret = drm_encoder_init(dev, encoder, &vmw_screen_object_encoder_funcs, |
665 | DRM_MODE_ENCODER_VIRTUAL, NULL); | |
666 | if (ret) { | |
667 | DRM_ERROR("Failed to initialize encoder\n"); | |
668 | goto err_free_connector; | |
669 | } | |
670 | ||
671 | (void) drm_mode_connector_attach_encoder(connector, encoder); | |
56d1c78d JB |
672 | encoder->possible_crtcs = (1 << unit); |
673 | encoder->possible_clones = 0; | |
674 | ||
36cc79bc SY |
675 | ret = drm_connector_register(connector); |
676 | if (ret) { | |
677 | DRM_ERROR("Failed to register connector\n"); | |
678 | goto err_free_encoder; | |
679 | } | |
6a0a7a9e | 680 | |
d7721ca7 SY |
681 | |
682 | vmw_du_crtc_reset(crtc); | |
36cc79bc SY |
683 | ret = drm_crtc_init_with_planes(dev, crtc, &sou->base.primary, |
684 | &sou->base.cursor, | |
685 | &vmw_screen_object_crtc_funcs, NULL); | |
686 | if (ret) { | |
687 | DRM_ERROR("Failed to initialize CRTC\n"); | |
688 | goto err_free_unregister; | |
689 | } | |
56d1c78d | 690 | |
06ec4190 SY |
691 | drm_crtc_helper_add(crtc, &vmw_sou_crtc_helper_funcs); |
692 | ||
56d1c78d JB |
693 | drm_mode_crtc_set_gamma_size(crtc, 256); |
694 | ||
578e609a TH |
695 | drm_object_attach_property(&connector->base, |
696 | dev_priv->hotplug_mode_update_property, 1); | |
697 | drm_object_attach_property(&connector->base, | |
698 | dev->mode_config.suggested_x_property, 0); | |
699 | drm_object_attach_property(&connector->base, | |
700 | dev->mode_config.suggested_y_property, 0); | |
76404ac0 TH |
701 | if (dev_priv->implicit_placement_property) |
702 | drm_object_attach_property | |
703 | (&connector->base, | |
704 | dev_priv->implicit_placement_property, | |
705 | sou->base.is_implicit); | |
56d1c78d JB |
706 | |
707 | return 0; | |
36cc79bc SY |
708 | |
709 | err_free_unregister: | |
710 | drm_connector_unregister(connector); | |
711 | err_free_encoder: | |
712 | drm_encoder_cleanup(encoder); | |
713 | err_free_connector: | |
714 | drm_connector_cleanup(connector); | |
715 | err_free: | |
716 | kfree(sou); | |
717 | return ret; | |
56d1c78d JB |
718 | } |
719 | ||
c8261a96 | 720 | int vmw_kms_sou_init_display(struct vmw_private *dev_priv) |
56d1c78d JB |
721 | { |
722 | struct drm_device *dev = dev_priv->dev; | |
74b5ea30 | 723 | int i, ret; |
56d1c78d | 724 | |
29a16e95 | 725 | if (!(dev_priv->capabilities & SVGA_CAP_SCREEN_OBJECT_2)) { |
56d1c78d JB |
726 | DRM_INFO("Not using screen objects," |
727 | " missing cap SCREEN_OBJECT_2\n"); | |
728 | return -ENOSYS; | |
729 | } | |
730 | ||
731 | ret = -ENOMEM; | |
75c06855 TH |
732 | dev_priv->num_implicit = 0; |
733 | dev_priv->implicit_fb = NULL; | |
56d1c78d JB |
734 | |
735 | ret = drm_vblank_init(dev, VMWGFX_NUM_DISPLAY_UNITS); | |
736 | if (unlikely(ret != 0)) | |
75c06855 | 737 | return ret; |
56d1c78d | 738 | |
76404ac0 TH |
739 | vmw_kms_create_implicit_placement_property(dev_priv, false); |
740 | ||
56d1c78d JB |
741 | for (i = 0; i < VMWGFX_NUM_DISPLAY_UNITS; ++i) |
742 | vmw_sou_init(dev_priv, i); | |
743 | ||
c8261a96 SY |
744 | dev_priv->active_display_unit = vmw_du_screen_object; |
745 | ||
746 | DRM_INFO("Screen Objects Display Unit initialized\n"); | |
56d1c78d JB |
747 | |
748 | return 0; | |
56d1c78d JB |
749 | } |
750 | ||
10b1e0ca | 751 | static int do_dmabuf_define_gmrfb(struct vmw_private *dev_priv, |
c8261a96 | 752 | struct vmw_framebuffer *framebuffer) |
b5ec427e | 753 | { |
10b1e0ca TH |
754 | struct vmw_dma_buffer *buf = |
755 | container_of(framebuffer, struct vmw_framebuffer_dmabuf, | |
756 | base)->buffer; | |
b00c600e | 757 | int depth = framebuffer->base.format->depth; |
c8261a96 SY |
758 | struct { |
759 | uint32_t header; | |
760 | SVGAFifoCmdDefineGMRFB body; | |
761 | } *cmd; | |
b5ec427e | 762 | |
c8261a96 SY |
763 | /* Emulate RGBA support, contrary to svga_reg.h this is not |
764 | * supported by hosts. This is only a problem if we are reading | |
765 | * this value later and expecting what we uploaded back. | |
766 | */ | |
767 | if (depth == 32) | |
768 | depth = 24; | |
b5ec427e | 769 | |
10b1e0ca TH |
770 | cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd)); |
771 | if (!cmd) { | |
772 | DRM_ERROR("Out of fifo space for dirty framebuffer command.\n"); | |
c8261a96 SY |
773 | return -ENOMEM; |
774 | } | |
775 | ||
c8261a96 | 776 | cmd->header = SVGA_CMD_DEFINE_GMRFB; |
272725c7 | 777 | cmd->body.format.bitsPerPixel = framebuffer->base.format->cpp[0] * 8; |
c8261a96 SY |
778 | cmd->body.format.colorDepth = depth; |
779 | cmd->body.format.reserved = 0; | |
780 | cmd->body.bytesPerLine = framebuffer->base.pitches[0]; | |
10b1e0ca TH |
781 | /* Buffer is reserved in vram or GMR */ |
782 | vmw_bo_get_guest_ptr(&buf->base, &cmd->body.ptr); | |
783 | vmw_fifo_commit(dev_priv, sizeof(*cmd)); | |
784 | ||
785 | return 0; | |
786 | } | |
787 | ||
788 | /** | |
789 | * vmw_sou_surface_fifo_commit - Callback to fill in and submit a | |
790 | * blit surface to screen command. | |
791 | * | |
792 | * @dirty: The closure structure. | |
793 | * | |
794 | * Fills in the missing fields in the command, and translates the cliprects | |
795 | * to match the destination bounding box encoded. | |
796 | */ | |
797 | static void vmw_sou_surface_fifo_commit(struct vmw_kms_dirty *dirty) | |
798 | { | |
799 | struct vmw_kms_sou_surface_dirty *sdirty = | |
800 | container_of(dirty, typeof(*sdirty), base); | |
801 | struct vmw_kms_sou_dirty_cmd *cmd = dirty->cmd; | |
802 | s32 trans_x = dirty->unit->crtc.x - sdirty->dst_x; | |
803 | s32 trans_y = dirty->unit->crtc.y - sdirty->dst_y; | |
804 | size_t region_size = dirty->num_hits * sizeof(SVGASignedRect); | |
805 | SVGASignedRect *blit = (SVGASignedRect *) &cmd[1]; | |
806 | int i; | |
807 | ||
fea7dd54 TH |
808 | if (!dirty->num_hits) { |
809 | vmw_fifo_commit(dirty->dev_priv, 0); | |
810 | return; | |
811 | } | |
812 | ||
10b1e0ca TH |
813 | cmd->header.id = SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN; |
814 | cmd->header.size = sizeof(cmd->body) + region_size; | |
815 | ||
816 | /* | |
817 | * Use the destination bounding box to specify destination - and | |
818 | * source bounding regions. | |
819 | */ | |
820 | cmd->body.destRect.left = sdirty->left; | |
821 | cmd->body.destRect.right = sdirty->right; | |
822 | cmd->body.destRect.top = sdirty->top; | |
823 | cmd->body.destRect.bottom = sdirty->bottom; | |
824 | ||
825 | cmd->body.srcRect.left = sdirty->left + trans_x; | |
826 | cmd->body.srcRect.right = sdirty->right + trans_x; | |
827 | cmd->body.srcRect.top = sdirty->top + trans_y; | |
828 | cmd->body.srcRect.bottom = sdirty->bottom + trans_y; | |
829 | ||
830 | cmd->body.srcImage.sid = sdirty->sid; | |
831 | cmd->body.destScreenId = dirty->unit->unit; | |
832 | ||
833 | /* Blits are relative to the destination rect. Translate. */ | |
834 | for (i = 0; i < dirty->num_hits; ++i, ++blit) { | |
835 | blit->left -= sdirty->left; | |
836 | blit->right -= sdirty->left; | |
837 | blit->top -= sdirty->top; | |
838 | blit->bottom -= sdirty->top; | |
839 | } | |
840 | ||
841 | vmw_fifo_commit(dirty->dev_priv, region_size + sizeof(*cmd)); | |
842 | ||
843 | sdirty->left = sdirty->top = S32_MAX; | |
844 | sdirty->right = sdirty->bottom = S32_MIN; | |
845 | } | |
846 | ||
847 | /** | |
848 | * vmw_sou_surface_clip - Callback to encode a blit surface to screen cliprect. | |
849 | * | |
850 | * @dirty: The closure structure | |
851 | * | |
852 | * Encodes a SVGASignedRect cliprect and updates the bounding box of the | |
853 | * BLIT_SURFACE_TO_SCREEN command. | |
854 | */ | |
855 | static void vmw_sou_surface_clip(struct vmw_kms_dirty *dirty) | |
856 | { | |
857 | struct vmw_kms_sou_surface_dirty *sdirty = | |
858 | container_of(dirty, typeof(*sdirty), base); | |
859 | struct vmw_kms_sou_dirty_cmd *cmd = dirty->cmd; | |
860 | SVGASignedRect *blit = (SVGASignedRect *) &cmd[1]; | |
861 | ||
862 | /* Destination rect. */ | |
863 | blit += dirty->num_hits; | |
864 | blit->left = dirty->unit_x1; | |
865 | blit->top = dirty->unit_y1; | |
866 | blit->right = dirty->unit_x2; | |
867 | blit->bottom = dirty->unit_y2; | |
868 | ||
869 | /* Destination bounding box */ | |
870 | sdirty->left = min_t(s32, sdirty->left, dirty->unit_x1); | |
871 | sdirty->top = min_t(s32, sdirty->top, dirty->unit_y1); | |
872 | sdirty->right = max_t(s32, sdirty->right, dirty->unit_x2); | |
873 | sdirty->bottom = max_t(s32, sdirty->bottom, dirty->unit_y2); | |
874 | ||
875 | dirty->num_hits++; | |
876 | } | |
877 | ||
878 | /** | |
879 | * vmw_kms_sou_do_surface_dirty - Dirty part of a surface backed framebuffer | |
880 | * | |
881 | * @dev_priv: Pointer to the device private structure. | |
882 | * @framebuffer: Pointer to the surface-buffer backed framebuffer. | |
883 | * @clips: Array of clip rects. Either @clips or @vclips must be NULL. | |
884 | * @vclips: Alternate array of clip rects. Either @clips or @vclips must | |
885 | * be NULL. | |
886 | * @srf: Pointer to surface to blit from. If NULL, the surface attached | |
887 | * to @framebuffer will be used. | |
888 | * @dest_x: X coordinate offset to align @srf with framebuffer coordinates. | |
889 | * @dest_y: Y coordinate offset to align @srf with framebuffer coordinates. | |
890 | * @num_clips: Number of clip rects in @clips. | |
891 | * @inc: Increment to use when looping over @clips. | |
892 | * @out_fence: If non-NULL, will return a ref-counted pointer to a | |
893 | * struct vmw_fence_obj. The returned fence pointer may be NULL in which | |
894 | * case the device has already synchronized. | |
895 | * | |
896 | * Returns 0 on success, negative error code on failure. -ERESTARTSYS if | |
897 | * interrupted. | |
898 | */ | |
899 | int vmw_kms_sou_do_surface_dirty(struct vmw_private *dev_priv, | |
900 | struct vmw_framebuffer *framebuffer, | |
901 | struct drm_clip_rect *clips, | |
902 | struct drm_vmw_rect *vclips, | |
903 | struct vmw_resource *srf, | |
904 | s32 dest_x, | |
905 | s32 dest_y, | |
906 | unsigned num_clips, int inc, | |
907 | struct vmw_fence_obj **out_fence) | |
908 | { | |
909 | struct vmw_framebuffer_surface *vfbs = | |
910 | container_of(framebuffer, typeof(*vfbs), base); | |
911 | struct vmw_kms_sou_surface_dirty sdirty; | |
73a88250 | 912 | struct vmw_validation_ctx ctx; |
10b1e0ca TH |
913 | int ret; |
914 | ||
915 | if (!srf) | |
916 | srf = &vfbs->surface->res; | |
917 | ||
73a88250 | 918 | ret = vmw_kms_helper_resource_prepare(srf, true, &ctx); |
10b1e0ca TH |
919 | if (ret) |
920 | return ret; | |
921 | ||
922 | sdirty.base.fifo_commit = vmw_sou_surface_fifo_commit; | |
923 | sdirty.base.clip = vmw_sou_surface_clip; | |
924 | sdirty.base.dev_priv = dev_priv; | |
925 | sdirty.base.fifo_reserve_size = sizeof(struct vmw_kms_sou_dirty_cmd) + | |
926 | sizeof(SVGASignedRect) * num_clips; | |
c8261a96 | 927 | |
10b1e0ca TH |
928 | sdirty.sid = srf->id; |
929 | sdirty.left = sdirty.top = S32_MAX; | |
930 | sdirty.right = sdirty.bottom = S32_MIN; | |
931 | sdirty.dst_x = dest_x; | |
932 | sdirty.dst_y = dest_y; | |
c8261a96 | 933 | |
10b1e0ca TH |
934 | ret = vmw_kms_helper_dirty(dev_priv, framebuffer, clips, vclips, |
935 | dest_x, dest_y, num_clips, inc, | |
936 | &sdirty.base); | |
73a88250 | 937 | vmw_kms_helper_resource_finish(&ctx, out_fence); |
c8261a96 SY |
938 | |
939 | return ret; | |
b5ec427e JB |
940 | } |
941 | ||
10b1e0ca TH |
942 | /** |
943 | * vmw_sou_dmabuf_fifo_commit - Callback to submit a set of readback clips. | |
944 | * | |
945 | * @dirty: The closure structure. | |
946 | * | |
947 | * Commits a previously built command buffer of readback clips. | |
948 | */ | |
949 | static void vmw_sou_dmabuf_fifo_commit(struct vmw_kms_dirty *dirty) | |
950 | { | |
fea7dd54 TH |
951 | if (!dirty->num_hits) { |
952 | vmw_fifo_commit(dirty->dev_priv, 0); | |
953 | return; | |
954 | } | |
955 | ||
10b1e0ca TH |
956 | vmw_fifo_commit(dirty->dev_priv, |
957 | sizeof(struct vmw_kms_sou_dmabuf_blit) * | |
958 | dirty->num_hits); | |
959 | } | |
960 | ||
961 | /** | |
962 | * vmw_sou_dmabuf_clip - Callback to encode a readback cliprect. | |
963 | * | |
964 | * @dirty: The closure structure | |
965 | * | |
966 | * Encodes a BLIT_GMRFB_TO_SCREEN cliprect. | |
967 | */ | |
968 | static void vmw_sou_dmabuf_clip(struct vmw_kms_dirty *dirty) | |
969 | { | |
970 | struct vmw_kms_sou_dmabuf_blit *blit = dirty->cmd; | |
971 | ||
972 | blit += dirty->num_hits; | |
973 | blit->header = SVGA_CMD_BLIT_GMRFB_TO_SCREEN; | |
974 | blit->body.destScreenId = dirty->unit->unit; | |
975 | blit->body.srcOrigin.x = dirty->fb_x; | |
976 | blit->body.srcOrigin.y = dirty->fb_y; | |
977 | blit->body.destRect.left = dirty->unit_x1; | |
978 | blit->body.destRect.top = dirty->unit_y1; | |
979 | blit->body.destRect.right = dirty->unit_x2; | |
980 | blit->body.destRect.bottom = dirty->unit_y2; | |
981 | dirty->num_hits++; | |
982 | } | |
983 | ||
984 | /** | |
985 | * vmw_kms_do_dmabuf_dirty - Dirty part of a dma-buffer backed framebuffer | |
986 | * | |
987 | * @dev_priv: Pointer to the device private structure. | |
988 | * @framebuffer: Pointer to the dma-buffer backed framebuffer. | |
989 | * @clips: Array of clip rects. | |
897b8180 TH |
990 | * @vclips: Alternate array of clip rects. Either @clips or @vclips must |
991 | * be NULL. | |
10b1e0ca TH |
992 | * @num_clips: Number of clip rects in @clips. |
993 | * @increment: Increment to use when looping over @clips. | |
994 | * @interruptible: Whether to perform waits interruptible if possible. | |
995 | * @out_fence: If non-NULL, will return a ref-counted pointer to a | |
996 | * struct vmw_fence_obj. The returned fence pointer may be NULL in which | |
997 | * case the device has already synchronized. | |
998 | * | |
999 | * Returns 0 on success, negative error code on failure. -ERESTARTSYS if | |
1000 | * interrupted. | |
1001 | */ | |
1002 | int vmw_kms_sou_do_dmabuf_dirty(struct vmw_private *dev_priv, | |
c8261a96 | 1003 | struct vmw_framebuffer *framebuffer, |
c8261a96 | 1004 | struct drm_clip_rect *clips, |
897b8180 | 1005 | struct drm_vmw_rect *vclips, |
c8261a96 | 1006 | unsigned num_clips, int increment, |
10b1e0ca | 1007 | bool interruptible, |
c8261a96 | 1008 | struct vmw_fence_obj **out_fence) |
b5ec427e | 1009 | { |
10b1e0ca TH |
1010 | struct vmw_dma_buffer *buf = |
1011 | container_of(framebuffer, struct vmw_framebuffer_dmabuf, | |
1012 | base)->buffer; | |
1013 | struct vmw_kms_dirty dirty; | |
1014 | int ret; | |
b5ec427e | 1015 | |
10b1e0ca TH |
1016 | ret = vmw_kms_helper_buffer_prepare(dev_priv, buf, interruptible, |
1017 | false); | |
1018 | if (ret) | |
1019 | return ret; | |
b5ec427e | 1020 | |
10b1e0ca | 1021 | ret = do_dmabuf_define_gmrfb(dev_priv, framebuffer); |
c8261a96 | 1022 | if (unlikely(ret != 0)) |
10b1e0ca | 1023 | goto out_revert; |
c8261a96 | 1024 | |
10b1e0ca TH |
1025 | dirty.fifo_commit = vmw_sou_dmabuf_fifo_commit; |
1026 | dirty.clip = vmw_sou_dmabuf_clip; | |
1027 | dirty.fifo_reserve_size = sizeof(struct vmw_kms_sou_dmabuf_blit) * | |
1028 | num_clips; | |
897b8180 | 1029 | ret = vmw_kms_helper_dirty(dev_priv, framebuffer, clips, vclips, |
10b1e0ca TH |
1030 | 0, 0, num_clips, increment, &dirty); |
1031 | vmw_kms_helper_buffer_finish(dev_priv, NULL, buf, out_fence, NULL); | |
c8261a96 | 1032 | |
10b1e0ca | 1033 | return ret; |
c8261a96 | 1034 | |
10b1e0ca TH |
1035 | out_revert: |
1036 | vmw_kms_helper_buffer_revert(buf); | |
c8261a96 | 1037 | |
10b1e0ca TH |
1038 | return ret; |
1039 | } | |
c8261a96 | 1040 | |
c8261a96 | 1041 | |
10b1e0ca TH |
1042 | /** |
1043 | * vmw_sou_readback_fifo_commit - Callback to submit a set of readback clips. | |
1044 | * | |
1045 | * @dirty: The closure structure. | |
1046 | * | |
1047 | * Commits a previously built command buffer of readback clips. | |
1048 | */ | |
1049 | static void vmw_sou_readback_fifo_commit(struct vmw_kms_dirty *dirty) | |
1050 | { | |
fea7dd54 TH |
1051 | if (!dirty->num_hits) { |
1052 | vmw_fifo_commit(dirty->dev_priv, 0); | |
1053 | return; | |
1054 | } | |
1055 | ||
10b1e0ca TH |
1056 | vmw_fifo_commit(dirty->dev_priv, |
1057 | sizeof(struct vmw_kms_sou_readback_blit) * | |
1058 | dirty->num_hits); | |
b5ec427e | 1059 | } |
c8261a96 | 1060 | |
10b1e0ca TH |
1061 | /** |
1062 | * vmw_sou_readback_clip - Callback to encode a readback cliprect. | |
1063 | * | |
1064 | * @dirty: The closure structure | |
1065 | * | |
1066 | * Encodes a BLIT_SCREEN_TO_GMRFB cliprect. | |
1067 | */ | |
1068 | static void vmw_sou_readback_clip(struct vmw_kms_dirty *dirty) | |
1069 | { | |
1070 | struct vmw_kms_sou_readback_blit *blit = dirty->cmd; | |
1071 | ||
1072 | blit += dirty->num_hits; | |
1073 | blit->header = SVGA_CMD_BLIT_SCREEN_TO_GMRFB; | |
1074 | blit->body.srcScreenId = dirty->unit->unit; | |
1075 | blit->body.destOrigin.x = dirty->fb_x; | |
1076 | blit->body.destOrigin.y = dirty->fb_y; | |
1077 | blit->body.srcRect.left = dirty->unit_x1; | |
1078 | blit->body.srcRect.top = dirty->unit_y1; | |
1079 | blit->body.srcRect.right = dirty->unit_x2; | |
1080 | blit->body.srcRect.bottom = dirty->unit_y2; | |
1081 | dirty->num_hits++; | |
1082 | } | |
1083 | ||
1084 | /** | |
1085 | * vmw_kms_sou_readback - Perform a readback from the screen object system to | |
1086 | * a dma-buffer backed framebuffer. | |
1087 | * | |
1088 | * @dev_priv: Pointer to the device private structure. | |
1089 | * @file_priv: Pointer to a struct drm_file identifying the caller. | |
1090 | * Must be set to NULL if @user_fence_rep is NULL. | |
1091 | * @vfb: Pointer to the dma-buffer backed framebuffer. | |
1092 | * @user_fence_rep: User-space provided structure for fence information. | |
1093 | * Must be set to non-NULL if @file_priv is non-NULL. | |
1094 | * @vclips: Array of clip rects. | |
1095 | * @num_clips: Number of clip rects in @vclips. | |
1096 | * | |
1097 | * Returns 0 on success, negative error code on failure. -ERESTARTSYS if | |
1098 | * interrupted. | |
1099 | */ | |
1100 | int vmw_kms_sou_readback(struct vmw_private *dev_priv, | |
1101 | struct drm_file *file_priv, | |
1102 | struct vmw_framebuffer *vfb, | |
1103 | struct drm_vmw_fence_rep __user *user_fence_rep, | |
1104 | struct drm_vmw_rect *vclips, | |
1105 | uint32_t num_clips) | |
1106 | { | |
1107 | struct vmw_dma_buffer *buf = | |
1108 | container_of(vfb, struct vmw_framebuffer_dmabuf, base)->buffer; | |
1109 | struct vmw_kms_dirty dirty; | |
1110 | int ret; | |
1111 | ||
1112 | ret = vmw_kms_helper_buffer_prepare(dev_priv, buf, true, false); | |
1113 | if (ret) | |
1114 | return ret; | |
1115 | ||
1116 | ret = do_dmabuf_define_gmrfb(dev_priv, vfb); | |
1117 | if (unlikely(ret != 0)) | |
1118 | goto out_revert; | |
1119 | ||
1120 | dirty.fifo_commit = vmw_sou_readback_fifo_commit; | |
1121 | dirty.clip = vmw_sou_readback_clip; | |
1122 | dirty.fifo_reserve_size = sizeof(struct vmw_kms_sou_readback_blit) * | |
1123 | num_clips; | |
1124 | ret = vmw_kms_helper_dirty(dev_priv, vfb, NULL, vclips, | |
1125 | 0, 0, num_clips, 1, &dirty); | |
1126 | vmw_kms_helper_buffer_finish(dev_priv, file_priv, buf, NULL, | |
1127 | user_fence_rep); | |
1128 | ||
1129 | return ret; | |
1130 | ||
1131 | out_revert: | |
1132 | vmw_kms_helper_buffer_revert(buf); | |
1133 | ||
1134 | return ret; | |
1135 | } |