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35c05125 SY |
1 | /****************************************************************************** |
2 | * | |
54fbde8a | 3 | * COPYRIGHT © 2014-2015 VMware, Inc., Palo Alto, CA., USA |
35c05125 SY |
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" | |
8ce75f8a | 29 | #include "device_include/svga3d_surfacedefs.h" |
35c05125 SY |
30 | #include <drm/drm_plane_helper.h> |
31 | ||
32 | #define vmw_crtc_to_stdu(x) \ | |
33 | container_of(x, struct vmw_screen_target_display_unit, base.crtc) | |
34 | #define vmw_encoder_to_stdu(x) \ | |
35 | container_of(x, struct vmw_screen_target_display_unit, base.encoder) | |
36 | #define vmw_connector_to_stdu(x) \ | |
37 | container_of(x, struct vmw_screen_target_display_unit, base.connector) | |
38 | ||
39 | ||
40 | ||
41 | enum stdu_content_type { | |
42 | SAME_AS_DISPLAY = 0, | |
43 | SEPARATE_SURFACE, | |
44 | SEPARATE_DMA | |
45 | }; | |
46 | ||
6bf6bf03 TH |
47 | /** |
48 | * struct vmw_stdu_dirty - closure structure for the update functions | |
49 | * | |
50 | * @base: The base type we derive from. Used by vmw_kms_helper_dirty(). | |
51 | * @transfer: Transfer direction for DMA command. | |
52 | * @left: Left side of bounding box. | |
53 | * @right: Right side of bounding box. | |
54 | * @top: Top side of bounding box. | |
55 | * @bottom: Bottom side of bounding box. | |
56 | * @buf: DMA buffer when DMA-ing between buffer and screen targets. | |
57 | * @sid: Surface ID when copying between surface and screen targets. | |
58 | */ | |
59 | struct vmw_stdu_dirty { | |
60 | struct vmw_kms_dirty base; | |
61 | SVGA3dTransferType transfer; | |
62 | s32 left, right, top, bottom; | |
63 | u32 pitch; | |
64 | union { | |
65 | struct vmw_dma_buffer *buf; | |
66 | u32 sid; | |
67 | }; | |
68 | }; | |
69 | ||
70 | /* | |
71 | * SVGA commands that are used by this code. Please see the device headers | |
72 | * for explanation. | |
73 | */ | |
74 | struct vmw_stdu_update { | |
75 | SVGA3dCmdHeader header; | |
76 | SVGA3dCmdUpdateGBScreenTarget body; | |
77 | }; | |
78 | ||
79 | struct vmw_stdu_dma { | |
80 | SVGA3dCmdHeader header; | |
81 | SVGA3dCmdSurfaceDMA body; | |
82 | }; | |
83 | ||
84 | struct vmw_stdu_surface_copy { | |
85 | SVGA3dCmdHeader header; | |
86 | SVGA3dCmdSurfaceCopy body; | |
87 | }; | |
35c05125 SY |
88 | |
89 | ||
90 | /** | |
91 | * struct vmw_screen_target_display_unit | |
92 | * | |
93 | * @base: VMW specific DU structure | |
94 | * @display_srf: surface to be displayed. The dimension of this will always | |
95 | * match the display mode. If the display mode matches | |
96 | * content_vfbs dimensions, then this is a pointer into the | |
97 | * corresponding field in content_vfbs. If not, then this | |
98 | * is a separate buffer to which content_vfbs will blit to. | |
35c05125 SY |
99 | * @content_type: content_fb type |
100 | * @defined: true if the current display unit has been initialized | |
101 | */ | |
102 | struct vmw_screen_target_display_unit { | |
103 | struct vmw_display_unit base; | |
104 | ||
105 | struct vmw_surface *display_srf; | |
35c05125 SY |
106 | enum stdu_content_type content_fb_type; |
107 | ||
108 | bool defined; | |
109 | }; | |
110 | ||
111 | ||
112 | ||
113 | static void vmw_stdu_destroy(struct vmw_screen_target_display_unit *stdu); | |
114 | ||
115 | ||
116 | ||
117 | /****************************************************************************** | |
118 | * Screen Target Display Unit helper Functions | |
119 | *****************************************************************************/ | |
120 | ||
35c05125 SY |
121 | /** |
122 | * vmw_stdu_unpin_display - unpins the resource associated with display surface | |
123 | * | |
124 | * @stdu: contains the display surface | |
125 | * | |
126 | * If the display surface was privatedly allocated by | |
127 | * vmw_surface_gb_priv_define() and not registered as a framebuffer, then it | |
128 | * won't be automatically cleaned up when all the framebuffers are freed. As | |
129 | * such, we have to explicitly call vmw_resource_unreference() to get it freed. | |
130 | */ | |
131 | static void vmw_stdu_unpin_display(struct vmw_screen_target_display_unit *stdu) | |
132 | { | |
133 | if (stdu->display_srf) { | |
134 | struct vmw_resource *res = &stdu->display_srf->res; | |
135 | ||
136 | vmw_resource_unpin(res); | |
b1097aeb | 137 | vmw_surface_unreference(&stdu->display_srf); |
35c05125 SY |
138 | } |
139 | } | |
140 | ||
141 | ||
142 | ||
143 | /****************************************************************************** | |
144 | * Screen Target Display Unit CRTC Functions | |
145 | *****************************************************************************/ | |
146 | ||
147 | ||
148 | /** | |
149 | * vmw_stdu_crtc_destroy - cleans up the STDU | |
150 | * | |
151 | * @crtc: used to get a reference to the containing STDU | |
152 | */ | |
153 | static void vmw_stdu_crtc_destroy(struct drm_crtc *crtc) | |
154 | { | |
155 | vmw_stdu_destroy(vmw_crtc_to_stdu(crtc)); | |
156 | } | |
157 | ||
35c05125 SY |
158 | /** |
159 | * vmw_stdu_define_st - Defines a Screen Target | |
160 | * | |
161 | * @dev_priv: VMW DRM device | |
162 | * @stdu: display unit to create a Screen Target for | |
b1097aeb TH |
163 | * @mode: The mode to set. |
164 | * @crtc_x: X coordinate of screen target relative to framebuffer origin. | |
165 | * @crtc_y: Y coordinate of screen target relative to framebuffer origin. | |
35c05125 SY |
166 | * |
167 | * Creates a STDU that we can used later. This function is called whenever the | |
168 | * framebuffer size changes. | |
169 | * | |
170 | * RETURNs: | |
171 | * 0 on success, error code on failure | |
172 | */ | |
173 | static int vmw_stdu_define_st(struct vmw_private *dev_priv, | |
b1097aeb TH |
174 | struct vmw_screen_target_display_unit *stdu, |
175 | struct drm_display_mode *mode, | |
176 | int crtc_x, int crtc_y) | |
35c05125 SY |
177 | { |
178 | struct { | |
179 | SVGA3dCmdHeader header; | |
180 | SVGA3dCmdDefineGBScreenTarget body; | |
181 | } *cmd; | |
182 | ||
183 | cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd)); | |
184 | ||
185 | if (unlikely(cmd == NULL)) { | |
186 | DRM_ERROR("Out of FIFO space defining Screen Target\n"); | |
187 | return -ENOMEM; | |
188 | } | |
189 | ||
190 | cmd->header.id = SVGA_3D_CMD_DEFINE_GB_SCREENTARGET; | |
191 | cmd->header.size = sizeof(cmd->body); | |
192 | ||
193 | cmd->body.stid = stdu->base.unit; | |
b1097aeb TH |
194 | cmd->body.width = mode->hdisplay; |
195 | cmd->body.height = mode->vdisplay; | |
35c05125 SY |
196 | cmd->body.flags = (0 == cmd->body.stid) ? SVGA_STFLAG_PRIMARY : 0; |
197 | cmd->body.dpi = 0; | |
b1097aeb TH |
198 | if (stdu->base.is_implicit) { |
199 | cmd->body.xRoot = crtc_x; | |
200 | cmd->body.yRoot = crtc_y; | |
201 | } else { | |
35c05125 SY |
202 | cmd->body.xRoot = stdu->base.gui_x; |
203 | cmd->body.yRoot = stdu->base.gui_y; | |
204 | } | |
6dd687b4 TH |
205 | stdu->base.set_gui_x = cmd->body.xRoot; |
206 | stdu->base.set_gui_y = cmd->body.yRoot; | |
35c05125 SY |
207 | |
208 | vmw_fifo_commit(dev_priv, sizeof(*cmd)); | |
209 | ||
210 | stdu->defined = true; | |
211 | ||
212 | return 0; | |
213 | } | |
214 | ||
215 | ||
216 | ||
217 | /** | |
218 | * vmw_stdu_bind_st - Binds a surface to a Screen Target | |
219 | * | |
220 | * @dev_priv: VMW DRM device | |
221 | * @stdu: display unit affected | |
222 | * @res: Buffer to bind to the screen target. Set to NULL to blank screen. | |
223 | * | |
224 | * Binding a surface to a Screen Target the same as flipping | |
225 | */ | |
226 | static int vmw_stdu_bind_st(struct vmw_private *dev_priv, | |
227 | struct vmw_screen_target_display_unit *stdu, | |
228 | struct vmw_resource *res) | |
229 | { | |
230 | SVGA3dSurfaceImageId image; | |
231 | ||
232 | struct { | |
233 | SVGA3dCmdHeader header; | |
234 | SVGA3dCmdBindGBScreenTarget body; | |
235 | } *cmd; | |
236 | ||
237 | ||
238 | if (!stdu->defined) { | |
239 | DRM_ERROR("No screen target defined\n"); | |
240 | return -EINVAL; | |
241 | } | |
242 | ||
243 | /* Set up image using information in vfb */ | |
244 | memset(&image, 0, sizeof(image)); | |
245 | image.sid = res ? res->id : SVGA3D_INVALID_ID; | |
246 | ||
247 | cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd)); | |
248 | ||
249 | if (unlikely(cmd == NULL)) { | |
250 | DRM_ERROR("Out of FIFO space binding a screen target\n"); | |
251 | return -ENOMEM; | |
252 | } | |
253 | ||
254 | cmd->header.id = SVGA_3D_CMD_BIND_GB_SCREENTARGET; | |
255 | cmd->header.size = sizeof(cmd->body); | |
256 | ||
257 | cmd->body.stid = stdu->base.unit; | |
258 | cmd->body.image = image; | |
259 | ||
260 | vmw_fifo_commit(dev_priv, sizeof(*cmd)); | |
261 | ||
262 | return 0; | |
263 | } | |
264 | ||
6bf6bf03 TH |
265 | /** |
266 | * vmw_stdu_populate_update - populate an UPDATE_GB_SCREENTARGET command with a | |
267 | * bounding box. | |
268 | * | |
269 | * @cmd: Pointer to command stream. | |
270 | * @unit: Screen target unit. | |
271 | * @left: Left side of bounding box. | |
272 | * @right: Right side of bounding box. | |
273 | * @top: Top side of bounding box. | |
274 | * @bottom: Bottom side of bounding box. | |
275 | */ | |
276 | static void vmw_stdu_populate_update(void *cmd, int unit, | |
277 | s32 left, s32 right, s32 top, s32 bottom) | |
278 | { | |
279 | struct vmw_stdu_update *update = cmd; | |
280 | ||
281 | update->header.id = SVGA_3D_CMD_UPDATE_GB_SCREENTARGET; | |
282 | update->header.size = sizeof(update->body); | |
35c05125 | 283 | |
6bf6bf03 TH |
284 | update->body.stid = unit; |
285 | update->body.rect.x = left; | |
286 | update->body.rect.y = top; | |
287 | update->body.rect.w = right - left; | |
288 | update->body.rect.h = bottom - top; | |
289 | } | |
35c05125 SY |
290 | |
291 | /** | |
6bf6bf03 | 292 | * vmw_stdu_update_st - Full update of a Screen Target |
35c05125 SY |
293 | * |
294 | * @dev_priv: VMW DRM device | |
35c05125 | 295 | * @stdu: display unit affected |
35c05125 SY |
296 | * |
297 | * This function needs to be called whenever the content of a screen | |
6bf6bf03 TH |
298 | * target has changed completely. Typically as a result of a backing |
299 | * surface change. | |
35c05125 SY |
300 | * |
301 | * RETURNS: | |
302 | * 0 on success, error code on failure | |
303 | */ | |
304 | static int vmw_stdu_update_st(struct vmw_private *dev_priv, | |
6bf6bf03 | 305 | struct vmw_screen_target_display_unit *stdu) |
35c05125 | 306 | { |
6bf6bf03 TH |
307 | struct vmw_stdu_update *cmd; |
308 | struct drm_crtc *crtc = &stdu->base.crtc; | |
35c05125 SY |
309 | |
310 | if (!stdu->defined) { | |
311 | DRM_ERROR("No screen target defined"); | |
312 | return -EINVAL; | |
313 | } | |
314 | ||
35c05125 SY |
315 | cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd)); |
316 | ||
317 | if (unlikely(cmd == NULL)) { | |
318 | DRM_ERROR("Out of FIFO space updating a Screen Target\n"); | |
319 | return -ENOMEM; | |
320 | } | |
321 | ||
6bf6bf03 TH |
322 | vmw_stdu_populate_update(cmd, stdu->base.unit, 0, crtc->mode.hdisplay, |
323 | 0, crtc->mode.vdisplay); | |
35c05125 SY |
324 | |
325 | vmw_fifo_commit(dev_priv, sizeof(*cmd)); | |
326 | ||
327 | return 0; | |
328 | } | |
329 | ||
330 | ||
331 | ||
332 | /** | |
333 | * vmw_stdu_destroy_st - Destroy a Screen Target | |
334 | * | |
335 | * @dev_priv: VMW DRM device | |
336 | * @stdu: display unit to destroy | |
337 | */ | |
338 | static int vmw_stdu_destroy_st(struct vmw_private *dev_priv, | |
339 | struct vmw_screen_target_display_unit *stdu) | |
340 | { | |
341 | int ret; | |
342 | ||
343 | struct { | |
344 | SVGA3dCmdHeader header; | |
345 | SVGA3dCmdDestroyGBScreenTarget body; | |
346 | } *cmd; | |
347 | ||
348 | ||
349 | /* Nothing to do if not successfully defined */ | |
350 | if (unlikely(!stdu->defined)) | |
351 | return 0; | |
352 | ||
353 | cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd)); | |
354 | ||
355 | if (unlikely(cmd == NULL)) { | |
356 | DRM_ERROR("Out of FIFO space, screen target not destroyed\n"); | |
357 | return -ENOMEM; | |
358 | } | |
359 | ||
360 | cmd->header.id = SVGA_3D_CMD_DESTROY_GB_SCREENTARGET; | |
361 | cmd->header.size = sizeof(cmd->body); | |
362 | ||
363 | cmd->body.stid = stdu->base.unit; | |
364 | ||
365 | vmw_fifo_commit(dev_priv, sizeof(*cmd)); | |
366 | ||
367 | /* Force sync */ | |
368 | ret = vmw_fallback_wait(dev_priv, false, true, 0, false, 3*HZ); | |
369 | if (unlikely(ret != 0)) | |
370 | DRM_ERROR("Failed to sync with HW"); | |
371 | ||
372 | stdu->defined = false; | |
373 | ||
374 | return ret; | |
375 | } | |
376 | ||
35c05125 | 377 | /** |
b1097aeb | 378 | * vmw_stdu_bind_fb - Bind an fb to a defined screen target |
35c05125 | 379 | * |
b1097aeb TH |
380 | * @dev_priv: Pointer to a device private struct. |
381 | * @crtc: The crtc holding the screen target. | |
382 | * @mode: The mode currently used by the screen target. Must be non-NULL. | |
383 | * @new_fb: The new framebuffer to bind. Must be non-NULL. | |
35c05125 SY |
384 | * |
385 | * RETURNS: | |
b1097aeb | 386 | * 0 on success, error code on failure. |
35c05125 | 387 | */ |
b1097aeb TH |
388 | static int vmw_stdu_bind_fb(struct vmw_private *dev_priv, |
389 | struct drm_crtc *crtc, | |
390 | struct drm_display_mode *mode, | |
391 | struct drm_framebuffer *new_fb) | |
35c05125 | 392 | { |
b1097aeb TH |
393 | struct vmw_screen_target_display_unit *stdu = vmw_crtc_to_stdu(crtc); |
394 | struct vmw_framebuffer *vfb = vmw_framebuffer_to_vfb(new_fb); | |
395 | struct vmw_surface *new_display_srf = NULL; | |
396 | enum stdu_content_type new_content_type; | |
35c05125 | 397 | struct vmw_framebuffer_surface *new_vfbs; |
b1097aeb | 398 | int ret; |
35c05125 | 399 | |
b1097aeb | 400 | WARN_ON_ONCE(!stdu->defined); |
35c05125 | 401 | |
beca4cf5 TH |
402 | new_vfbs = (vfb->dmabuf) ? NULL : vmw_framebuffer_to_vfbs(new_fb); |
403 | ||
404 | if (new_vfbs && new_vfbs->surface->base_size.width == mode->hdisplay && | |
405 | new_vfbs->surface->base_size.height == mode->vdisplay) | |
b1097aeb TH |
406 | new_content_type = SAME_AS_DISPLAY; |
407 | else if (vfb->dmabuf) | |
408 | new_content_type = SEPARATE_DMA; | |
409 | else | |
410 | new_content_type = SEPARATE_SURFACE; | |
35c05125 | 411 | |
b1097aeb TH |
412 | if (new_content_type != SAME_AS_DISPLAY && |
413 | !stdu->display_srf) { | |
35c05125 SY |
414 | struct vmw_surface content_srf; |
415 | struct drm_vmw_size display_base_size = {0}; | |
35c05125 SY |
416 | |
417 | display_base_size.width = mode->hdisplay; | |
418 | display_base_size.height = mode->vdisplay; | |
419 | display_base_size.depth = 1; | |
420 | ||
421 | /* | |
422 | * If content buffer is a DMA buf, then we have to construct | |
423 | * surface info | |
424 | */ | |
b1097aeb | 425 | if (new_content_type == SEPARATE_DMA) { |
35c05125 SY |
426 | |
427 | switch (new_fb->bits_per_pixel) { | |
428 | case 32: | |
429 | content_srf.format = SVGA3D_X8R8G8B8; | |
430 | break; | |
431 | ||
432 | case 16: | |
433 | content_srf.format = SVGA3D_R5G6B5; | |
434 | break; | |
435 | ||
436 | case 8: | |
437 | content_srf.format = SVGA3D_P8; | |
438 | break; | |
439 | ||
440 | default: | |
441 | DRM_ERROR("Invalid format\n"); | |
b1097aeb | 442 | return -EINVAL; |
35c05125 SY |
443 | } |
444 | ||
445 | content_srf.flags = 0; | |
446 | content_srf.mip_levels[0] = 1; | |
447 | content_srf.multisample_count = 0; | |
448 | } else { | |
35c05125 SY |
449 | content_srf = *new_vfbs->surface; |
450 | } | |
451 | ||
452 | ||
453 | ret = vmw_surface_gb_priv_define(crtc->dev, | |
454 | 0, /* because kernel visible only */ | |
455 | content_srf.flags, | |
456 | content_srf.format, | |
457 | true, /* a scanout buffer */ | |
458 | content_srf.mip_levels[0], | |
459 | content_srf.multisample_count, | |
d80efd5c | 460 | 0, |
35c05125 | 461 | display_base_size, |
b1097aeb | 462 | &new_display_srf); |
35c05125 | 463 | if (unlikely(ret != 0)) { |
b1097aeb TH |
464 | DRM_ERROR("Could not allocate screen target surface.\n"); |
465 | return ret; | |
35c05125 | 466 | } |
b1097aeb | 467 | } else if (new_content_type == SAME_AS_DISPLAY) { |
b1097aeb | 468 | new_display_srf = vmw_surface_reference(new_vfbs->surface); |
35c05125 SY |
469 | } |
470 | ||
b1097aeb TH |
471 | if (new_display_srf) { |
472 | /* Pin new surface before flipping */ | |
473 | ret = vmw_resource_pin(&new_display_srf->res, false); | |
474 | if (ret) | |
475 | goto out_srf_unref; | |
476 | ||
477 | ret = vmw_stdu_bind_st(dev_priv, stdu, &new_display_srf->res); | |
478 | if (ret) | |
479 | goto out_srf_unpin; | |
480 | ||
481 | /* Unpin and unreference old surface */ | |
482 | vmw_stdu_unpin_display(stdu); | |
35c05125 | 483 | |
b1097aeb TH |
484 | /* Transfer the reference */ |
485 | stdu->display_srf = new_display_srf; | |
486 | new_display_srf = NULL; | |
35c05125 SY |
487 | } |
488 | ||
b1097aeb TH |
489 | crtc->primary->fb = new_fb; |
490 | stdu->content_fb_type = new_content_type; | |
491 | return 0; | |
492 | ||
493 | out_srf_unpin: | |
494 | vmw_resource_unpin(&new_display_srf->res); | |
495 | out_srf_unref: | |
496 | vmw_surface_unreference(&new_display_srf); | |
497 | return ret; | |
498 | } | |
499 | ||
500 | /** | |
501 | * vmw_stdu_crtc_set_config - Sets a mode | |
502 | * | |
503 | * @set: mode parameters | |
504 | * | |
505 | * This function is the device-specific portion of the DRM CRTC mode set. | |
506 | * For the SVGA device, we do this by defining a Screen Target, binding a | |
507 | * GB Surface to that target, and finally update the screen target. | |
508 | * | |
509 | * RETURNS: | |
510 | * 0 on success, error code otherwise | |
511 | */ | |
512 | static int vmw_stdu_crtc_set_config(struct drm_mode_set *set) | |
513 | { | |
514 | struct vmw_private *dev_priv; | |
4d492a07 | 515 | struct vmw_framebuffer *vfb; |
b1097aeb TH |
516 | struct vmw_screen_target_display_unit *stdu; |
517 | struct drm_display_mode *mode; | |
518 | struct drm_framebuffer *new_fb; | |
519 | struct drm_crtc *crtc; | |
520 | struct drm_encoder *encoder; | |
521 | struct drm_connector *connector; | |
522 | bool turning_off; | |
523 | int ret; | |
524 | ||
525 | ||
526 | if (!set || !set->crtc) | |
527 | return -EINVAL; | |
528 | ||
529 | crtc = set->crtc; | |
530 | stdu = vmw_crtc_to_stdu(crtc); | |
531 | mode = set->mode; | |
532 | new_fb = set->fb; | |
533 | dev_priv = vmw_priv(crtc->dev); | |
534 | turning_off = set->num_connectors == 0 || !mode || !new_fb; | |
4d492a07 | 535 | vfb = (new_fb) ? vmw_framebuffer_to_vfb(new_fb) : NULL; |
b1097aeb TH |
536 | |
537 | if (set->num_connectors > 1) { | |
538 | DRM_ERROR("Too many connectors\n"); | |
539 | return -EINVAL; | |
540 | } | |
541 | ||
542 | if (set->num_connectors == 1 && | |
543 | set->connectors[0] != &stdu->base.connector) { | |
544 | DRM_ERROR("Connectors don't match %p %p\n", | |
545 | set->connectors[0], &stdu->base.connector); | |
546 | return -EINVAL; | |
547 | } | |
548 | ||
549 | if (!turning_off && (set->x + mode->hdisplay > new_fb->width || | |
550 | set->y + mode->vdisplay > new_fb->height)) { | |
551 | DRM_ERROR("Set outside of framebuffer\n"); | |
552 | return -EINVAL; | |
553 | } | |
554 | ||
4d492a07 | 555 | /* Only one active implicit frame-buffer at a time. */ |
93cd1681 | 556 | mutex_lock(&dev_priv->global_kms_state_mutex); |
4d492a07 TH |
557 | if (!turning_off && stdu->base.is_implicit && dev_priv->implicit_fb && |
558 | !(dev_priv->num_implicit == 1 && stdu->base.active_implicit) | |
559 | && dev_priv->implicit_fb != vfb) { | |
93cd1681 | 560 | mutex_unlock(&dev_priv->global_kms_state_mutex); |
4d492a07 TH |
561 | DRM_ERROR("Multiple implicit framebuffers not supported.\n"); |
562 | return -EINVAL; | |
563 | } | |
93cd1681 | 564 | mutex_unlock(&dev_priv->global_kms_state_mutex); |
4d492a07 | 565 | |
b1097aeb TH |
566 | /* Since they always map one to one these are safe */ |
567 | connector = &stdu->base.connector; | |
568 | encoder = &stdu->base.encoder; | |
569 | ||
570 | if (stdu->defined) { | |
571 | ret = vmw_stdu_bind_st(dev_priv, stdu, NULL); | |
572 | if (ret) | |
573 | return ret; | |
574 | ||
575 | vmw_stdu_unpin_display(stdu); | |
576 | (void) vmw_stdu_update_st(dev_priv, stdu); | |
4d492a07 | 577 | vmw_kms_del_active(dev_priv, &stdu->base); |
b1097aeb TH |
578 | |
579 | ret = vmw_stdu_destroy_st(dev_priv, stdu); | |
580 | if (ret) | |
581 | return ret; | |
582 | ||
583 | crtc->primary->fb = NULL; | |
584 | crtc->enabled = false; | |
585 | encoder->crtc = NULL; | |
586 | connector->encoder = NULL; | |
587 | stdu->content_fb_type = SAME_AS_DISPLAY; | |
588 | crtc->x = set->x; | |
589 | crtc->y = set->y; | |
590 | } | |
591 | ||
592 | if (turning_off) | |
593 | return 0; | |
35c05125 SY |
594 | |
595 | /* | |
596 | * Steps to displaying a surface, assume surface is already | |
597 | * bound: | |
598 | * 1. define a screen target | |
599 | * 2. bind a fb to the screen target | |
600 | * 3. update that screen target (this is done later by | |
601 | * vmw_kms_stdu_do_surface_dirty_or_present) | |
602 | */ | |
b1097aeb TH |
603 | /* |
604 | * Note on error handling: We can't really restore the crtc to | |
605 | * it's original state on error, but we at least update the | |
606 | * current state to what's submitted to hardware to enable | |
607 | * future recovery. | |
608 | */ | |
609 | vmw_svga_enable(dev_priv); | |
610 | ret = vmw_stdu_define_st(dev_priv, stdu, mode, set->x, set->y); | |
611 | if (ret) | |
612 | return ret; | |
35c05125 | 613 | |
b1097aeb TH |
614 | crtc->x = set->x; |
615 | crtc->y = set->y; | |
616 | crtc->mode = *mode; | |
35c05125 | 617 | |
b1097aeb TH |
618 | ret = vmw_stdu_bind_fb(dev_priv, crtc, mode, new_fb); |
619 | if (ret) | |
620 | return ret; | |
35c05125 | 621 | |
4d492a07 | 622 | vmw_kms_add_active(dev_priv, &stdu->base, vfb); |
b1097aeb | 623 | crtc->enabled = true; |
35c05125 SY |
624 | connector->encoder = encoder; |
625 | encoder->crtc = crtc; | |
626 | ||
b1097aeb | 627 | return 0; |
35c05125 SY |
628 | } |
629 | ||
35c05125 SY |
630 | /** |
631 | * vmw_stdu_crtc_page_flip - Binds a buffer to a screen target | |
632 | * | |
633 | * @crtc: CRTC to attach FB to | |
634 | * @fb: FB to attach | |
635 | * @event: Event to be posted. This event should've been alloced | |
636 | * using k[mz]alloc, and should've been completely initialized. | |
637 | * @page_flip_flags: Input flags. | |
638 | * | |
639 | * If the STDU uses the same display and content buffers, i.e. a true flip, | |
640 | * this function will replace the existing display buffer with the new content | |
641 | * buffer. | |
642 | * | |
643 | * If the STDU uses different display and content buffers, i.e. a blit, then | |
644 | * only the content buffer will be updated. | |
645 | * | |
646 | * RETURNS: | |
647 | * 0 on success, error code on failure | |
648 | */ | |
649 | static int vmw_stdu_crtc_page_flip(struct drm_crtc *crtc, | |
650 | struct drm_framebuffer *new_fb, | |
651 | struct drm_pending_vblank_event *event, | |
652 | uint32_t flags) | |
653 | ||
654 | { | |
655 | struct vmw_private *dev_priv = vmw_priv(crtc->dev); | |
656 | struct vmw_screen_target_display_unit *stdu; | |
b1097aeb TH |
657 | struct drm_vmw_rect vclips; |
658 | struct vmw_framebuffer *vfb = vmw_framebuffer_to_vfb(new_fb); | |
35c05125 SY |
659 | int ret; |
660 | ||
35c05125 SY |
661 | dev_priv = vmw_priv(crtc->dev); |
662 | stdu = vmw_crtc_to_stdu(crtc); | |
35c05125 | 663 | |
4d492a07 | 664 | if (!stdu->defined || !vmw_kms_crtc_flippable(dev_priv, crtc)) |
b1097aeb | 665 | return -EINVAL; |
35c05125 | 666 | |
b1097aeb TH |
667 | ret = vmw_stdu_bind_fb(dev_priv, crtc, &crtc->mode, new_fb); |
668 | if (ret) | |
669 | return ret; | |
35c05125 | 670 | |
4d492a07 TH |
671 | if (stdu->base.is_implicit) |
672 | vmw_kms_update_implicit_fb(dev_priv, crtc); | |
673 | ||
b1097aeb TH |
674 | vclips.x = crtc->x; |
675 | vclips.y = crtc->y; | |
676 | vclips.w = crtc->mode.hdisplay; | |
677 | vclips.h = crtc->mode.vdisplay; | |
678 | if (vfb->dmabuf) | |
679 | ret = vmw_kms_stdu_dma(dev_priv, NULL, vfb, NULL, NULL, &vclips, | |
680 | 1, 1, true, false); | |
681 | else | |
682 | ret = vmw_kms_stdu_surface_dirty(dev_priv, vfb, NULL, &vclips, | |
683 | NULL, 0, 0, 1, 1, NULL); | |
684 | if (ret) | |
35c05125 SY |
685 | return ret; |
686 | ||
687 | if (event) { | |
688 | struct vmw_fence_obj *fence = NULL; | |
6bf6bf03 | 689 | struct drm_file *file_priv = event->base.file_priv; |
35c05125 SY |
690 | |
691 | vmw_execbuf_fence_commands(NULL, dev_priv, &fence, NULL); | |
692 | if (!fence) | |
693 | return -ENOMEM; | |
694 | ||
695 | ret = vmw_event_fence_action_queue(file_priv, fence, | |
696 | &event->base, | |
697 | &event->event.tv_sec, | |
698 | &event->event.tv_usec, | |
699 | true); | |
700 | vmw_fence_obj_unreference(&fence); | |
4e0858a6 TH |
701 | } else { |
702 | vmw_fifo_flush(dev_priv, false); | |
35c05125 SY |
703 | } |
704 | ||
b1097aeb | 705 | return 0; |
35c05125 SY |
706 | } |
707 | ||
708 | ||
6bf6bf03 TH |
709 | /** |
710 | * vmw_stdu_dmabuf_clip - Callback to encode a suface DMA command cliprect | |
711 | * | |
712 | * @dirty: The closure structure. | |
713 | * | |
714 | * Encodes a surface DMA command cliprect and updates the bounding box | |
715 | * for the DMA. | |
716 | */ | |
717 | static void vmw_stdu_dmabuf_clip(struct vmw_kms_dirty *dirty) | |
718 | { | |
719 | struct vmw_stdu_dirty *ddirty = | |
720 | container_of(dirty, struct vmw_stdu_dirty, base); | |
721 | struct vmw_stdu_dma *cmd = dirty->cmd; | |
722 | struct SVGA3dCopyBox *blit = (struct SVGA3dCopyBox *) &cmd[1]; | |
723 | ||
724 | blit += dirty->num_hits; | |
725 | blit->srcx = dirty->fb_x; | |
726 | blit->srcy = dirty->fb_y; | |
727 | blit->x = dirty->unit_x1; | |
728 | blit->y = dirty->unit_y1; | |
729 | blit->d = 1; | |
730 | blit->w = dirty->unit_x2 - dirty->unit_x1; | |
731 | blit->h = dirty->unit_y2 - dirty->unit_y1; | |
732 | dirty->num_hits++; | |
733 | ||
734 | if (ddirty->transfer != SVGA3D_WRITE_HOST_VRAM) | |
735 | return; | |
736 | ||
737 | /* Destination bounding box */ | |
738 | ddirty->left = min_t(s32, ddirty->left, dirty->unit_x1); | |
739 | ddirty->top = min_t(s32, ddirty->top, dirty->unit_y1); | |
740 | ddirty->right = max_t(s32, ddirty->right, dirty->unit_x2); | |
741 | ddirty->bottom = max_t(s32, ddirty->bottom, dirty->unit_y2); | |
742 | } | |
743 | ||
744 | /** | |
745 | * vmw_stdu_dmabuf_fifo_commit - Callback to fill in and submit a DMA command. | |
746 | * | |
747 | * @dirty: The closure structure. | |
748 | * | |
749 | * Fills in the missing fields in a DMA command, and optionally encodes | |
750 | * a screen target update command, depending on transfer direction. | |
751 | */ | |
752 | static void vmw_stdu_dmabuf_fifo_commit(struct vmw_kms_dirty *dirty) | |
753 | { | |
754 | struct vmw_stdu_dirty *ddirty = | |
755 | container_of(dirty, struct vmw_stdu_dirty, base); | |
756 | struct vmw_screen_target_display_unit *stdu = | |
757 | container_of(dirty->unit, typeof(*stdu), base); | |
758 | struct vmw_stdu_dma *cmd = dirty->cmd; | |
759 | struct SVGA3dCopyBox *blit = (struct SVGA3dCopyBox *) &cmd[1]; | |
760 | SVGA3dCmdSurfaceDMASuffix *suffix = | |
761 | (SVGA3dCmdSurfaceDMASuffix *) &blit[dirty->num_hits]; | |
762 | size_t blit_size = sizeof(*blit) * dirty->num_hits + sizeof(*suffix); | |
763 | ||
764 | if (!dirty->num_hits) { | |
765 | vmw_fifo_commit(dirty->dev_priv, 0); | |
766 | return; | |
767 | } | |
768 | ||
769 | cmd->header.id = SVGA_3D_CMD_SURFACE_DMA; | |
770 | cmd->header.size = sizeof(cmd->body) + blit_size; | |
771 | vmw_bo_get_guest_ptr(&ddirty->buf->base, &cmd->body.guest.ptr); | |
772 | cmd->body.guest.pitch = ddirty->pitch; | |
773 | cmd->body.host.sid = stdu->display_srf->res.id; | |
774 | cmd->body.host.face = 0; | |
775 | cmd->body.host.mipmap = 0; | |
776 | cmd->body.transfer = ddirty->transfer; | |
777 | suffix->suffixSize = sizeof(*suffix); | |
778 | suffix->maximumOffset = ddirty->buf->base.num_pages * PAGE_SIZE; | |
779 | ||
780 | if (ddirty->transfer == SVGA3D_WRITE_HOST_VRAM) { | |
781 | blit_size += sizeof(struct vmw_stdu_update); | |
782 | ||
783 | vmw_stdu_populate_update(&suffix[1], stdu->base.unit, | |
784 | ddirty->left, ddirty->right, | |
785 | ddirty->top, ddirty->bottom); | |
786 | } | |
787 | ||
788 | vmw_fifo_commit(dirty->dev_priv, sizeof(*cmd) + blit_size); | |
789 | ||
790 | ddirty->left = ddirty->top = S32_MAX; | |
791 | ddirty->right = ddirty->bottom = S32_MIN; | |
792 | } | |
793 | ||
794 | /** | |
795 | * vmw_kms_stdu_dma - Perform a DMA transfer between a dma-buffer backed | |
796 | * framebuffer and the screen target system. | |
797 | * | |
798 | * @dev_priv: Pointer to the device private structure. | |
799 | * @file_priv: Pointer to a struct drm-file identifying the caller. May be | |
800 | * set to NULL, but then @user_fence_rep must also be set to NULL. | |
801 | * @vfb: Pointer to the dma-buffer backed framebuffer. | |
802 | * @clips: Array of clip rects. Either @clips or @vclips must be NULL. | |
803 | * @vclips: Alternate array of clip rects. Either @clips or @vclips must | |
804 | * be NULL. | |
805 | * @num_clips: Number of clip rects in @clips or @vclips. | |
806 | * @increment: Increment to use when looping over @clips or @vclips. | |
807 | * @to_surface: Whether to DMA to the screen target system as opposed to | |
808 | * from the screen target system. | |
809 | * @interruptible: Whether to perform waits interruptible if possible. | |
810 | * | |
811 | * If DMA-ing till the screen target system, the function will also notify | |
812 | * the screen target system that a bounding box of the cliprects has been | |
813 | * updated. | |
814 | * Returns 0 on success, negative error code on failure. -ERESTARTSYS if | |
815 | * interrupted. | |
816 | */ | |
817 | int vmw_kms_stdu_dma(struct vmw_private *dev_priv, | |
818 | struct drm_file *file_priv, | |
819 | struct vmw_framebuffer *vfb, | |
820 | struct drm_vmw_fence_rep __user *user_fence_rep, | |
821 | struct drm_clip_rect *clips, | |
822 | struct drm_vmw_rect *vclips, | |
823 | uint32_t num_clips, | |
824 | int increment, | |
825 | bool to_surface, | |
826 | bool interruptible) | |
827 | { | |
828 | struct vmw_dma_buffer *buf = | |
829 | container_of(vfb, struct vmw_framebuffer_dmabuf, base)->buffer; | |
830 | struct vmw_stdu_dirty ddirty; | |
831 | int ret; | |
832 | ||
833 | ret = vmw_kms_helper_buffer_prepare(dev_priv, buf, interruptible, | |
834 | false); | |
835 | if (ret) | |
836 | return ret; | |
837 | ||
838 | ddirty.transfer = (to_surface) ? SVGA3D_WRITE_HOST_VRAM : | |
839 | SVGA3D_READ_HOST_VRAM; | |
840 | ddirty.left = ddirty.top = S32_MAX; | |
841 | ddirty.right = ddirty.bottom = S32_MIN; | |
842 | ddirty.pitch = vfb->base.pitches[0]; | |
843 | ddirty.buf = buf; | |
844 | ddirty.base.fifo_commit = vmw_stdu_dmabuf_fifo_commit; | |
845 | ddirty.base.clip = vmw_stdu_dmabuf_clip; | |
846 | ddirty.base.fifo_reserve_size = sizeof(struct vmw_stdu_dma) + | |
847 | num_clips * sizeof(SVGA3dCopyBox) + | |
848 | sizeof(SVGA3dCmdSurfaceDMASuffix); | |
849 | if (to_surface) | |
850 | ddirty.base.fifo_reserve_size += sizeof(struct vmw_stdu_update); | |
851 | ||
852 | ret = vmw_kms_helper_dirty(dev_priv, vfb, clips, vclips, | |
853 | 0, 0, num_clips, increment, &ddirty.base); | |
854 | vmw_kms_helper_buffer_finish(dev_priv, file_priv, buf, NULL, | |
855 | user_fence_rep); | |
856 | ||
857 | return ret; | |
858 | } | |
859 | ||
860 | /** | |
861 | * vmw_stdu_surface_clip - Callback to encode a surface copy command cliprect | |
862 | * | |
863 | * @dirty: The closure structure. | |
864 | * | |
865 | * Encodes a surface copy command cliprect and updates the bounding box | |
866 | * for the copy. | |
867 | */ | |
868 | static void vmw_kms_stdu_surface_clip(struct vmw_kms_dirty *dirty) | |
869 | { | |
870 | struct vmw_stdu_dirty *sdirty = | |
871 | container_of(dirty, struct vmw_stdu_dirty, base); | |
872 | struct vmw_stdu_surface_copy *cmd = dirty->cmd; | |
873 | struct vmw_screen_target_display_unit *stdu = | |
874 | container_of(dirty->unit, typeof(*stdu), base); | |
875 | ||
876 | if (sdirty->sid != stdu->display_srf->res.id) { | |
877 | struct SVGA3dCopyBox *blit = (struct SVGA3dCopyBox *) &cmd[1]; | |
878 | ||
879 | blit += dirty->num_hits; | |
880 | blit->srcx = dirty->fb_x; | |
881 | blit->srcy = dirty->fb_y; | |
882 | blit->x = dirty->unit_x1; | |
883 | blit->y = dirty->unit_y1; | |
884 | blit->d = 1; | |
885 | blit->w = dirty->unit_x2 - dirty->unit_x1; | |
886 | blit->h = dirty->unit_y2 - dirty->unit_y1; | |
887 | } | |
888 | ||
889 | dirty->num_hits++; | |
890 | ||
891 | /* Destination bounding box */ | |
892 | sdirty->left = min_t(s32, sdirty->left, dirty->unit_x1); | |
893 | sdirty->top = min_t(s32, sdirty->top, dirty->unit_y1); | |
894 | sdirty->right = max_t(s32, sdirty->right, dirty->unit_x2); | |
895 | sdirty->bottom = max_t(s32, sdirty->bottom, dirty->unit_y2); | |
896 | } | |
897 | ||
898 | /** | |
899 | * vmw_stdu_surface_fifo_commit - Callback to fill in and submit a surface | |
900 | * copy command. | |
901 | * | |
902 | * @dirty: The closure structure. | |
903 | * | |
904 | * Fills in the missing fields in a surface copy command, and encodes a screen | |
905 | * target update command. | |
906 | */ | |
907 | static void vmw_kms_stdu_surface_fifo_commit(struct vmw_kms_dirty *dirty) | |
908 | { | |
909 | struct vmw_stdu_dirty *sdirty = | |
910 | container_of(dirty, struct vmw_stdu_dirty, base); | |
911 | struct vmw_screen_target_display_unit *stdu = | |
912 | container_of(dirty->unit, typeof(*stdu), base); | |
913 | struct vmw_stdu_surface_copy *cmd = dirty->cmd; | |
914 | struct vmw_stdu_update *update; | |
915 | size_t blit_size = sizeof(SVGA3dCopyBox) * dirty->num_hits; | |
916 | size_t commit_size; | |
917 | ||
918 | if (!dirty->num_hits) { | |
919 | vmw_fifo_commit(dirty->dev_priv, 0); | |
920 | return; | |
921 | } | |
922 | ||
923 | if (sdirty->sid != stdu->display_srf->res.id) { | |
924 | struct SVGA3dCopyBox *blit = (struct SVGA3dCopyBox *) &cmd[1]; | |
925 | ||
926 | cmd->header.id = SVGA_3D_CMD_SURFACE_COPY; | |
927 | cmd->header.size = sizeof(cmd->body) + blit_size; | |
928 | cmd->body.src.sid = sdirty->sid; | |
929 | cmd->body.dest.sid = stdu->display_srf->res.id; | |
930 | update = (struct vmw_stdu_update *) &blit[dirty->num_hits]; | |
931 | commit_size = sizeof(*cmd) + blit_size + sizeof(*update); | |
932 | } else { | |
933 | update = dirty->cmd; | |
934 | commit_size = sizeof(*update); | |
935 | } | |
936 | ||
937 | vmw_stdu_populate_update(update, stdu->base.unit, sdirty->left, | |
938 | sdirty->right, sdirty->top, sdirty->bottom); | |
939 | ||
940 | vmw_fifo_commit(dirty->dev_priv, commit_size); | |
941 | ||
942 | sdirty->left = sdirty->top = S32_MAX; | |
943 | sdirty->right = sdirty->bottom = S32_MIN; | |
944 | } | |
945 | ||
946 | /** | |
947 | * vmw_kms_stdu_surface_dirty - Dirty part of a surface backed framebuffer | |
948 | * | |
949 | * @dev_priv: Pointer to the device private structure. | |
950 | * @framebuffer: Pointer to the surface-buffer backed framebuffer. | |
951 | * @clips: Array of clip rects. Either @clips or @vclips must be NULL. | |
952 | * @vclips: Alternate array of clip rects. Either @clips or @vclips must | |
953 | * be NULL. | |
954 | * @srf: Pointer to surface to blit from. If NULL, the surface attached | |
955 | * to @framebuffer will be used. | |
956 | * @dest_x: X coordinate offset to align @srf with framebuffer coordinates. | |
957 | * @dest_y: Y coordinate offset to align @srf with framebuffer coordinates. | |
958 | * @num_clips: Number of clip rects in @clips. | |
959 | * @inc: Increment to use when looping over @clips. | |
960 | * @out_fence: If non-NULL, will return a ref-counted pointer to a | |
961 | * struct vmw_fence_obj. The returned fence pointer may be NULL in which | |
962 | * case the device has already synchronized. | |
963 | * | |
964 | * Returns 0 on success, negative error code on failure. -ERESTARTSYS if | |
965 | * interrupted. | |
966 | */ | |
967 | int vmw_kms_stdu_surface_dirty(struct vmw_private *dev_priv, | |
968 | struct vmw_framebuffer *framebuffer, | |
969 | struct drm_clip_rect *clips, | |
970 | struct drm_vmw_rect *vclips, | |
971 | struct vmw_resource *srf, | |
972 | s32 dest_x, | |
973 | s32 dest_y, | |
974 | unsigned num_clips, int inc, | |
975 | struct vmw_fence_obj **out_fence) | |
976 | { | |
977 | struct vmw_framebuffer_surface *vfbs = | |
978 | container_of(framebuffer, typeof(*vfbs), base); | |
979 | struct vmw_stdu_dirty sdirty; | |
980 | int ret; | |
981 | ||
982 | if (!srf) | |
983 | srf = &vfbs->surface->res; | |
984 | ||
985 | ret = vmw_kms_helper_resource_prepare(srf, true); | |
986 | if (ret) | |
987 | return ret; | |
988 | ||
989 | if (vfbs->is_dmabuf_proxy) { | |
990 | ret = vmw_kms_update_proxy(srf, clips, num_clips, inc); | |
991 | if (ret) | |
992 | goto out_finish; | |
993 | } | |
994 | ||
995 | sdirty.base.fifo_commit = vmw_kms_stdu_surface_fifo_commit; | |
996 | sdirty.base.clip = vmw_kms_stdu_surface_clip; | |
997 | sdirty.base.fifo_reserve_size = sizeof(struct vmw_stdu_surface_copy) + | |
998 | sizeof(SVGA3dCopyBox) * num_clips + | |
999 | sizeof(struct vmw_stdu_update); | |
1000 | sdirty.sid = srf->id; | |
1001 | sdirty.left = sdirty.top = S32_MAX; | |
1002 | sdirty.right = sdirty.bottom = S32_MIN; | |
1003 | ||
1004 | ret = vmw_kms_helper_dirty(dev_priv, framebuffer, clips, vclips, | |
1005 | dest_x, dest_y, num_clips, inc, | |
1006 | &sdirty.base); | |
1007 | out_finish: | |
1008 | vmw_kms_helper_resource_finish(srf, out_fence); | |
1009 | ||
1010 | return ret; | |
1011 | } | |
1012 | ||
35c05125 SY |
1013 | |
1014 | /* | |
1015 | * Screen Target CRTC dispatch table | |
1016 | */ | |
d7955fcf | 1017 | static const struct drm_crtc_funcs vmw_stdu_crtc_funcs = { |
8fbf9d92 | 1018 | .cursor_set2 = vmw_du_crtc_cursor_set2, |
35c05125 SY |
1019 | .cursor_move = vmw_du_crtc_cursor_move, |
1020 | .gamma_set = vmw_du_crtc_gamma_set, | |
1021 | .destroy = vmw_stdu_crtc_destroy, | |
1022 | .set_config = vmw_stdu_crtc_set_config, | |
1023 | .page_flip = vmw_stdu_crtc_page_flip, | |
1024 | }; | |
1025 | ||
1026 | ||
1027 | ||
1028 | /****************************************************************************** | |
1029 | * Screen Target Display Unit Encoder Functions | |
1030 | *****************************************************************************/ | |
1031 | ||
1032 | /** | |
1033 | * vmw_stdu_encoder_destroy - cleans up the STDU | |
1034 | * | |
1035 | * @encoder: used the get the containing STDU | |
1036 | * | |
1037 | * vmwgfx cleans up crtc/encoder/connector all at the same time so technically | |
1038 | * this can be a no-op. Nevertheless, it doesn't hurt of have this in case | |
1039 | * the common KMS code changes and somehow vmw_stdu_crtc_destroy() doesn't | |
1040 | * get called. | |
1041 | */ | |
1042 | static void vmw_stdu_encoder_destroy(struct drm_encoder *encoder) | |
1043 | { | |
1044 | vmw_stdu_destroy(vmw_encoder_to_stdu(encoder)); | |
1045 | } | |
1046 | ||
d7955fcf | 1047 | static const struct drm_encoder_funcs vmw_stdu_encoder_funcs = { |
35c05125 SY |
1048 | .destroy = vmw_stdu_encoder_destroy, |
1049 | }; | |
1050 | ||
1051 | ||
1052 | ||
1053 | /****************************************************************************** | |
1054 | * Screen Target Display Unit Connector Functions | |
1055 | *****************************************************************************/ | |
1056 | ||
1057 | /** | |
1058 | * vmw_stdu_connector_destroy - cleans up the STDU | |
1059 | * | |
1060 | * @connector: used to get the containing STDU | |
1061 | * | |
1062 | * vmwgfx cleans up crtc/encoder/connector all at the same time so technically | |
1063 | * this can be a no-op. Nevertheless, it doesn't hurt of have this in case | |
1064 | * the common KMS code changes and somehow vmw_stdu_crtc_destroy() doesn't | |
1065 | * get called. | |
1066 | */ | |
1067 | static void vmw_stdu_connector_destroy(struct drm_connector *connector) | |
1068 | { | |
1069 | vmw_stdu_destroy(vmw_connector_to_stdu(connector)); | |
1070 | } | |
1071 | ||
1072 | ||
1073 | ||
d7955fcf | 1074 | static const struct drm_connector_funcs vmw_stdu_connector_funcs = { |
35c05125 | 1075 | .dpms = vmw_du_connector_dpms, |
35c05125 SY |
1076 | .detect = vmw_du_connector_detect, |
1077 | .fill_modes = vmw_du_connector_fill_modes, | |
1078 | .set_property = vmw_du_connector_set_property, | |
1079 | .destroy = vmw_stdu_connector_destroy, | |
1080 | }; | |
1081 | ||
1082 | ||
1083 | ||
1084 | /** | |
1085 | * vmw_stdu_init - Sets up a Screen Target Display Unit | |
1086 | * | |
1087 | * @dev_priv: VMW DRM device | |
1088 | * @unit: unit number range from 0 to VMWGFX_NUM_DISPLAY_UNITS | |
1089 | * | |
1090 | * This function is called once per CRTC, and allocates one Screen Target | |
1091 | * display unit to represent that CRTC. Since the SVGA device does not separate | |
1092 | * out encoder and connector, they are represented as part of the STDU as well. | |
1093 | */ | |
1094 | static int vmw_stdu_init(struct vmw_private *dev_priv, unsigned unit) | |
1095 | { | |
1096 | struct vmw_screen_target_display_unit *stdu; | |
1097 | struct drm_device *dev = dev_priv->dev; | |
1098 | struct drm_connector *connector; | |
1099 | struct drm_encoder *encoder; | |
1100 | struct drm_crtc *crtc; | |
1101 | ||
1102 | ||
1103 | stdu = kzalloc(sizeof(*stdu), GFP_KERNEL); | |
1104 | if (!stdu) | |
1105 | return -ENOMEM; | |
1106 | ||
1107 | stdu->base.unit = unit; | |
1108 | crtc = &stdu->base.crtc; | |
1109 | encoder = &stdu->base.encoder; | |
1110 | connector = &stdu->base.connector; | |
1111 | ||
1112 | stdu->base.pref_active = (unit == 0); | |
1113 | stdu->base.pref_width = dev_priv->initial_width; | |
1114 | stdu->base.pref_height = dev_priv->initial_height; | |
2e69b25b | 1115 | stdu->base.is_implicit = false; |
35c05125 SY |
1116 | |
1117 | drm_connector_init(dev, connector, &vmw_stdu_connector_funcs, | |
1118 | DRM_MODE_CONNECTOR_VIRTUAL); | |
1119 | connector->status = vmw_du_connector_detect(connector, false); | |
1120 | ||
1121 | drm_encoder_init(dev, encoder, &vmw_stdu_encoder_funcs, | |
13a3d91f | 1122 | DRM_MODE_ENCODER_VIRTUAL, NULL); |
35c05125 SY |
1123 | drm_mode_connector_attach_encoder(connector, encoder); |
1124 | encoder->possible_crtcs = (1 << unit); | |
1125 | encoder->possible_clones = 0; | |
1126 | ||
1127 | (void) drm_connector_register(connector); | |
1128 | ||
1129 | drm_crtc_init(dev, crtc, &vmw_stdu_crtc_funcs); | |
1130 | ||
1131 | drm_mode_crtc_set_gamma_size(crtc, 256); | |
1132 | ||
1133 | drm_object_attach_property(&connector->base, | |
1134 | dev->mode_config.dirty_info_property, | |
1135 | 1); | |
578e609a TH |
1136 | drm_object_attach_property(&connector->base, |
1137 | dev_priv->hotplug_mode_update_property, 1); | |
1138 | drm_object_attach_property(&connector->base, | |
1139 | dev->mode_config.suggested_x_property, 0); | |
1140 | drm_object_attach_property(&connector->base, | |
1141 | dev->mode_config.suggested_y_property, 0); | |
76404ac0 TH |
1142 | if (dev_priv->implicit_placement_property) |
1143 | drm_object_attach_property | |
1144 | (&connector->base, | |
1145 | dev_priv->implicit_placement_property, | |
1146 | stdu->base.is_implicit); | |
35c05125 SY |
1147 | return 0; |
1148 | } | |
1149 | ||
1150 | ||
1151 | ||
1152 | /** | |
1153 | * vmw_stdu_destroy - Cleans up a vmw_screen_target_display_unit | |
1154 | * | |
1155 | * @stdu: Screen Target Display Unit to be destroyed | |
1156 | * | |
1157 | * Clean up after vmw_stdu_init | |
1158 | */ | |
1159 | static void vmw_stdu_destroy(struct vmw_screen_target_display_unit *stdu) | |
1160 | { | |
1161 | vmw_stdu_unpin_display(stdu); | |
1162 | ||
1163 | vmw_du_cleanup(&stdu->base); | |
1164 | kfree(stdu); | |
1165 | } | |
1166 | ||
1167 | ||
1168 | ||
1169 | /****************************************************************************** | |
1170 | * Screen Target Display KMS Functions | |
1171 | * | |
1172 | * These functions are called by the common KMS code in vmwgfx_kms.c | |
1173 | *****************************************************************************/ | |
1174 | ||
1175 | /** | |
1176 | * vmw_kms_stdu_init_display - Initializes a Screen Target based display | |
1177 | * | |
1178 | * @dev_priv: VMW DRM device | |
1179 | * | |
1180 | * This function initialize a Screen Target based display device. It checks | |
1181 | * the capability bits to make sure the underlying hardware can support | |
1182 | * screen targets, and then creates the maximum number of CRTCs, a.k.a Display | |
1183 | * Units, as supported by the display hardware. | |
1184 | * | |
1185 | * RETURNS: | |
1186 | * 0 on success, error code otherwise | |
1187 | */ | |
1188 | int vmw_kms_stdu_init_display(struct vmw_private *dev_priv) | |
1189 | { | |
1190 | struct drm_device *dev = dev_priv->dev; | |
1191 | int i, ret; | |
1192 | ||
1193 | ||
1194 | /* Do nothing if Screen Target support is turned off */ | |
1195 | if (!VMWGFX_ENABLE_SCREEN_TARGET_OTABLE) | |
1196 | return -ENOSYS; | |
1197 | ||
f89c6c32 | 1198 | if (!(dev_priv->capabilities & SVGA_CAP_GBOBJECTS)) |
35c05125 SY |
1199 | return -ENOSYS; |
1200 | ||
1201 | ret = drm_vblank_init(dev, VMWGFX_NUM_DISPLAY_UNITS); | |
1202 | if (unlikely(ret != 0)) | |
1203 | return ret; | |
1204 | ||
1205 | ret = drm_mode_create_dirty_info_property(dev); | |
1206 | if (unlikely(ret != 0)) | |
1207 | goto err_vblank_cleanup; | |
1208 | ||
6bf6bf03 TH |
1209 | dev_priv->active_display_unit = vmw_du_screen_target; |
1210 | ||
76404ac0 TH |
1211 | vmw_kms_create_implicit_placement_property(dev_priv, false); |
1212 | ||
35c05125 SY |
1213 | for (i = 0; i < VMWGFX_NUM_DISPLAY_UNITS; ++i) { |
1214 | ret = vmw_stdu_init(dev_priv, i); | |
1215 | ||
1216 | if (unlikely(ret != 0)) { | |
1217 | DRM_ERROR("Failed to initialize STDU %d", i); | |
1218 | goto err_vblank_cleanup; | |
1219 | } | |
1220 | } | |
1221 | ||
35c05125 SY |
1222 | DRM_INFO("Screen Target Display device initialized\n"); |
1223 | ||
1224 | return 0; | |
1225 | ||
1226 | err_vblank_cleanup: | |
1227 | drm_vblank_cleanup(dev); | |
1228 | return ret; | |
1229 | } | |
1230 | ||
1231 | ||
1232 | ||
1233 | /** | |
1234 | * vmw_kms_stdu_close_display - Cleans up after vmw_kms_stdu_init_display | |
1235 | * | |
1236 | * @dev_priv: VMW DRM device | |
1237 | * | |
1238 | * Frees up any resources allocated by vmw_kms_stdu_init_display | |
1239 | * | |
1240 | * RETURNS: | |
1241 | * 0 on success | |
1242 | */ | |
1243 | int vmw_kms_stdu_close_display(struct vmw_private *dev_priv) | |
1244 | { | |
1245 | struct drm_device *dev = dev_priv->dev; | |
1246 | ||
1247 | drm_vblank_cleanup(dev); | |
1248 | ||
1249 | return 0; | |
1250 | } |