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1// SPDX-License-Identifier: GPL-2.0 OR MIT
2/**************************************************************************
3 *
4 * Copyright (c) 2009-2024 Broadcom. All Rights Reserved. The term
5 * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the
9 * "Software"), to deal in the Software without restriction, including
10 * without limitation the rights to use, copy, modify, merge, publish,
11 * distribute, sub license, and/or sell copies of the Software, and to
12 * permit persons to whom the Software is furnished to do so, subject to
13 * the following conditions:
14 *
15 * The above copyright notice and this permission notice (including the
16 * next paragraph) shall be included in all copies or substantial portions
17 * of the Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
22 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
23 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
24 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
25 * USE OR OTHER DEALINGS IN THE SOFTWARE.
26 *
27 **************************************************************************/
28#include "vmwgfx_kms.h"
29
30#include "vmwgfx_bo.h"
31#include "vmwgfx_vkms.h"
32#include "vmw_surface_cache.h"
33
34#include <drm/drm_atomic.h>
35#include <drm/drm_atomic_helper.h>
36#include <drm/drm_damage_helper.h>
37#include <drm/drm_fourcc.h>
38#include <drm/drm_rect.h>
39#include <drm/drm_sysfs.h>
40#include <drm/drm_edid.h>
41
42void vmw_du_init(struct vmw_display_unit *du)
43{
44 vmw_vkms_crtc_init(&du->crtc);
45}
46
47void vmw_du_cleanup(struct vmw_display_unit *du)
48{
49 struct vmw_private *dev_priv = vmw_priv(du->primary.dev);
50
51 vmw_vkms_crtc_cleanup(&du->crtc);
52 drm_plane_cleanup(&du->primary);
53 if (vmw_cmd_supported(dev_priv))
54 drm_plane_cleanup(&du->cursor.base);
55
56 drm_connector_unregister(&du->connector);
57 drm_crtc_cleanup(&du->crtc);
58 drm_encoder_cleanup(&du->encoder);
59 drm_connector_cleanup(&du->connector);
60}
61
62/*
63 * Display Unit Cursor functions
64 */
65
66static int vmw_du_cursor_plane_unmap_cm(struct vmw_plane_state *vps);
67static void vmw_cursor_update_mob(struct vmw_private *dev_priv,
68 struct vmw_plane_state *vps,
69 u32 *image, u32 width, u32 height,
70 u32 hotspotX, u32 hotspotY);
71
72struct vmw_svga_fifo_cmd_define_cursor {
73 u32 cmd;
74 SVGAFifoCmdDefineAlphaCursor cursor;
75};
76
77/**
78 * vmw_send_define_cursor_cmd - queue a define cursor command
79 * @dev_priv: the private driver struct
80 * @image: buffer which holds the cursor image
81 * @width: width of the mouse cursor image
82 * @height: height of the mouse cursor image
83 * @hotspotX: the horizontal position of mouse hotspot
84 * @hotspotY: the vertical position of mouse hotspot
85 */
86static void vmw_send_define_cursor_cmd(struct vmw_private *dev_priv,
87 u32 *image, u32 width, u32 height,
88 u32 hotspotX, u32 hotspotY)
89{
90 struct vmw_svga_fifo_cmd_define_cursor *cmd;
91 const u32 image_size = width * height * sizeof(*image);
92 const u32 cmd_size = sizeof(*cmd) + image_size;
93
94 /* Try to reserve fifocmd space and swallow any failures;
95 such reservations cannot be left unconsumed for long
96 under the risk of clogging other fifocmd users, so
97 we treat reservations separtely from the way we treat
98 other fallible KMS-atomic resources at prepare_fb */
99 cmd = VMW_CMD_RESERVE(dev_priv, cmd_size);
100
101 if (unlikely(!cmd))
102 return;
103
104 memset(cmd, 0, sizeof(*cmd));
105
106 memcpy(&cmd[1], image, image_size);
107
108 cmd->cmd = SVGA_CMD_DEFINE_ALPHA_CURSOR;
109 cmd->cursor.id = 0;
110 cmd->cursor.width = width;
111 cmd->cursor.height = height;
112 cmd->cursor.hotspotX = hotspotX;
113 cmd->cursor.hotspotY = hotspotY;
114
115 vmw_cmd_commit_flush(dev_priv, cmd_size);
116}
117
118/**
119 * vmw_cursor_update_image - update the cursor image on the provided plane
120 * @dev_priv: the private driver struct
121 * @vps: the plane state of the cursor plane
122 * @image: buffer which holds the cursor image
123 * @width: width of the mouse cursor image
124 * @height: height of the mouse cursor image
125 * @hotspotX: the horizontal position of mouse hotspot
126 * @hotspotY: the vertical position of mouse hotspot
127 */
128static void vmw_cursor_update_image(struct vmw_private *dev_priv,
129 struct vmw_plane_state *vps,
130 u32 *image, u32 width, u32 height,
131 u32 hotspotX, u32 hotspotY)
132{
133 if (vps->cursor.bo)
134 vmw_cursor_update_mob(dev_priv, vps, image,
135 vps->base.crtc_w, vps->base.crtc_h,
136 hotspotX, hotspotY);
137
138 else
139 vmw_send_define_cursor_cmd(dev_priv, image, width, height,
140 hotspotX, hotspotY);
141}
142
143
144/**
145 * vmw_cursor_update_mob - Update cursor vis CursorMob mechanism
146 *
147 * Called from inside vmw_du_cursor_plane_atomic_update to actually
148 * make the cursor-image live.
149 *
150 * @dev_priv: device to work with
151 * @vps: the plane state of the cursor plane
152 * @image: cursor source data to fill the MOB with
153 * @width: source data width
154 * @height: source data height
155 * @hotspotX: cursor hotspot x
156 * @hotspotY: cursor hotspot Y
157 */
158static void vmw_cursor_update_mob(struct vmw_private *dev_priv,
159 struct vmw_plane_state *vps,
160 u32 *image, u32 width, u32 height,
161 u32 hotspotX, u32 hotspotY)
162{
163 SVGAGBCursorHeader *header;
164 SVGAGBAlphaCursorHeader *alpha_header;
165 const u32 image_size = width * height * sizeof(*image);
166
167 header = vmw_bo_map_and_cache(vps->cursor.bo);
168 alpha_header = &header->header.alphaHeader;
169
170 memset(header, 0, sizeof(*header));
171
172 header->type = SVGA_ALPHA_CURSOR;
173 header->sizeInBytes = image_size;
174
175 alpha_header->hotspotX = hotspotX;
176 alpha_header->hotspotY = hotspotY;
177 alpha_header->width = width;
178 alpha_header->height = height;
179
180 memcpy(header + 1, image, image_size);
181 vmw_write(dev_priv, SVGA_REG_CURSOR_MOBID,
182 vps->cursor.bo->tbo.resource->start);
183}
184
185
186static u32 vmw_du_cursor_mob_size(u32 w, u32 h)
187{
188 return w * h * sizeof(u32) + sizeof(SVGAGBCursorHeader);
189}
190
191/**
192 * vmw_du_cursor_plane_acquire_image -- Acquire the image data
193 * @vps: cursor plane state
194 */
195static u32 *vmw_du_cursor_plane_acquire_image(struct vmw_plane_state *vps)
196{
197 struct vmw_surface *surf;
198
199 if (vmw_user_object_is_null(&vps->uo))
200 return NULL;
201
202 surf = vmw_user_object_surface(&vps->uo);
203 if (surf && !vmw_user_object_is_mapped(&vps->uo))
204 return surf->snooper.image;
205
206 return vmw_user_object_map(&vps->uo);
207}
208
209static bool vmw_du_cursor_plane_has_changed(struct vmw_plane_state *old_vps,
210 struct vmw_plane_state *new_vps)
211{
212 void *old_image;
213 void *new_image;
214 u32 size;
215 bool changed;
216
217 if (old_vps->base.crtc_w != new_vps->base.crtc_w ||
218 old_vps->base.crtc_h != new_vps->base.crtc_h)
219 return true;
220
221 if (old_vps->cursor.hotspot_x != new_vps->cursor.hotspot_x ||
222 old_vps->cursor.hotspot_y != new_vps->cursor.hotspot_y)
223 return true;
224
225 size = new_vps->base.crtc_w * new_vps->base.crtc_h * sizeof(u32);
226
227 old_image = vmw_du_cursor_plane_acquire_image(old_vps);
228 new_image = vmw_du_cursor_plane_acquire_image(new_vps);
229
230 changed = false;
231 if (old_image && new_image && old_image != new_image)
232 changed = memcmp(old_image, new_image, size) != 0;
233
234 return changed;
235}
236
237static void vmw_du_destroy_cursor_mob(struct vmw_bo **vbo)
238{
239 if (!(*vbo))
240 return;
241
242 ttm_bo_unpin(&(*vbo)->tbo);
243 vmw_bo_unreference(vbo);
244}
245
246static void vmw_du_put_cursor_mob(struct vmw_cursor_plane *vcp,
247 struct vmw_plane_state *vps)
248{
249 u32 i;
250
251 if (!vps->cursor.bo)
252 return;
253
254 vmw_du_cursor_plane_unmap_cm(vps);
255
256 /* Look for a free slot to return this mob to the cache. */
257 for (i = 0; i < ARRAY_SIZE(vcp->cursor_mobs); i++) {
258 if (!vcp->cursor_mobs[i]) {
259 vcp->cursor_mobs[i] = vps->cursor.bo;
260 vps->cursor.bo = NULL;
261 return;
262 }
263 }
264
265 /* Cache is full: See if this mob is bigger than an existing mob. */
266 for (i = 0; i < ARRAY_SIZE(vcp->cursor_mobs); i++) {
267 if (vcp->cursor_mobs[i]->tbo.base.size <
268 vps->cursor.bo->tbo.base.size) {
269 vmw_du_destroy_cursor_mob(&vcp->cursor_mobs[i]);
270 vcp->cursor_mobs[i] = vps->cursor.bo;
271 vps->cursor.bo = NULL;
272 return;
273 }
274 }
275
276 /* Destroy it if it's not worth caching. */
277 vmw_du_destroy_cursor_mob(&vps->cursor.bo);
278}
279
280static int vmw_du_get_cursor_mob(struct vmw_cursor_plane *vcp,
281 struct vmw_plane_state *vps)
282{
283 struct vmw_private *dev_priv = vmw_priv(vcp->base.dev);
284 u32 size = vmw_du_cursor_mob_size(vps->base.crtc_w, vps->base.crtc_h);
285 u32 i;
286 u32 cursor_max_dim, mob_max_size;
287 struct vmw_fence_obj *fence = NULL;
288 int ret;
289
290 if (!dev_priv->has_mob ||
291 (dev_priv->capabilities2 & SVGA_CAP2_CURSOR_MOB) == 0)
292 return -EINVAL;
293
294 mob_max_size = vmw_read(dev_priv, SVGA_REG_MOB_MAX_SIZE);
295 cursor_max_dim = vmw_read(dev_priv, SVGA_REG_CURSOR_MAX_DIMENSION);
296
297 if (size > mob_max_size || vps->base.crtc_w > cursor_max_dim ||
298 vps->base.crtc_h > cursor_max_dim)
299 return -EINVAL;
300
301 if (vps->cursor.bo) {
302 if (vps->cursor.bo->tbo.base.size >= size)
303 return 0;
304 vmw_du_put_cursor_mob(vcp, vps);
305 }
306
307 /* Look for an unused mob in the cache. */
308 for (i = 0; i < ARRAY_SIZE(vcp->cursor_mobs); i++) {
309 if (vcp->cursor_mobs[i] &&
310 vcp->cursor_mobs[i]->tbo.base.size >= size) {
311 vps->cursor.bo = vcp->cursor_mobs[i];
312 vcp->cursor_mobs[i] = NULL;
313 return 0;
314 }
315 }
316 /* Create a new mob if we can't find an existing one. */
317 ret = vmw_bo_create_and_populate(dev_priv, size,
318 VMW_BO_DOMAIN_MOB,
319 &vps->cursor.bo);
320
321 if (ret != 0)
322 return ret;
323
324 /* Fence the mob creation so we are guarateed to have the mob */
325 ret = ttm_bo_reserve(&vps->cursor.bo->tbo, false, false, NULL);
326 if (ret != 0)
327 goto teardown;
328
329 ret = vmw_execbuf_fence_commands(NULL, dev_priv, &fence, NULL);
330 if (ret != 0) {
331 ttm_bo_unreserve(&vps->cursor.bo->tbo);
332 goto teardown;
333 }
334
335 dma_fence_wait(&fence->base, false);
336 dma_fence_put(&fence->base);
337
338 ttm_bo_unreserve(&vps->cursor.bo->tbo);
339 return 0;
340
341teardown:
342 vmw_du_destroy_cursor_mob(&vps->cursor.bo);
343 return ret;
344}
345
346
347static void vmw_cursor_update_position(struct vmw_private *dev_priv,
348 bool show, int x, int y)
349{
350 const uint32_t svga_cursor_on = show ? SVGA_CURSOR_ON_SHOW
351 : SVGA_CURSOR_ON_HIDE;
352 uint32_t count;
353
354 spin_lock(&dev_priv->cursor_lock);
355 if (dev_priv->capabilities2 & SVGA_CAP2_EXTRA_REGS) {
356 vmw_write(dev_priv, SVGA_REG_CURSOR4_X, x);
357 vmw_write(dev_priv, SVGA_REG_CURSOR4_Y, y);
358 vmw_write(dev_priv, SVGA_REG_CURSOR4_SCREEN_ID, SVGA3D_INVALID_ID);
359 vmw_write(dev_priv, SVGA_REG_CURSOR4_ON, svga_cursor_on);
360 vmw_write(dev_priv, SVGA_REG_CURSOR4_SUBMIT, 1);
361 } else if (vmw_is_cursor_bypass3_enabled(dev_priv)) {
362 vmw_fifo_mem_write(dev_priv, SVGA_FIFO_CURSOR_ON, svga_cursor_on);
363 vmw_fifo_mem_write(dev_priv, SVGA_FIFO_CURSOR_X, x);
364 vmw_fifo_mem_write(dev_priv, SVGA_FIFO_CURSOR_Y, y);
365 count = vmw_fifo_mem_read(dev_priv, SVGA_FIFO_CURSOR_COUNT);
366 vmw_fifo_mem_write(dev_priv, SVGA_FIFO_CURSOR_COUNT, ++count);
367 } else {
368 vmw_write(dev_priv, SVGA_REG_CURSOR_X, x);
369 vmw_write(dev_priv, SVGA_REG_CURSOR_Y, y);
370 vmw_write(dev_priv, SVGA_REG_CURSOR_ON, svga_cursor_on);
371 }
372 spin_unlock(&dev_priv->cursor_lock);
373}
374
375void vmw_kms_cursor_snoop(struct vmw_surface *srf,
376 struct ttm_object_file *tfile,
377 struct ttm_buffer_object *bo,
378 SVGA3dCmdHeader *header)
379{
380 struct ttm_bo_kmap_obj map;
381 unsigned long kmap_offset;
382 unsigned long kmap_num;
383 SVGA3dCopyBox *box;
384 unsigned box_count;
385 void *virtual;
386 bool is_iomem;
387 struct vmw_dma_cmd {
388 SVGA3dCmdHeader header;
389 SVGA3dCmdSurfaceDMA dma;
390 } *cmd;
391 int i, ret;
392 const struct SVGA3dSurfaceDesc *desc =
393 vmw_surface_get_desc(VMW_CURSOR_SNOOP_FORMAT);
394 const u32 image_pitch = VMW_CURSOR_SNOOP_WIDTH * desc->pitchBytesPerBlock;
395
396 cmd = container_of(header, struct vmw_dma_cmd, header);
397
398 /* No snooper installed, nothing to copy */
399 if (!srf->snooper.image)
400 return;
401
402 if (cmd->dma.host.face != 0 || cmd->dma.host.mipmap != 0) {
403 DRM_ERROR("face and mipmap for cursors should never != 0\n");
404 return;
405 }
406
407 if (cmd->header.size < 64) {
408 DRM_ERROR("at least one full copy box must be given\n");
409 return;
410 }
411
412 box = (SVGA3dCopyBox *)&cmd[1];
413 box_count = (cmd->header.size - sizeof(SVGA3dCmdSurfaceDMA)) /
414 sizeof(SVGA3dCopyBox);
415
416 if (cmd->dma.guest.ptr.offset % PAGE_SIZE ||
417 box->x != 0 || box->y != 0 || box->z != 0 ||
418 box->srcx != 0 || box->srcy != 0 || box->srcz != 0 ||
419 box->d != 1 || box_count != 1 ||
420 box->w > VMW_CURSOR_SNOOP_WIDTH || box->h > VMW_CURSOR_SNOOP_HEIGHT) {
421 /* TODO handle none page aligned offsets */
422 /* TODO handle more dst & src != 0 */
423 /* TODO handle more then one copy */
424 DRM_ERROR("Can't snoop dma request for cursor!\n");
425 DRM_ERROR("(%u, %u, %u) (%u, %u, %u) (%ux%ux%u) %u %u\n",
426 box->srcx, box->srcy, box->srcz,
427 box->x, box->y, box->z,
428 box->w, box->h, box->d, box_count,
429 cmd->dma.guest.ptr.offset);
430 return;
431 }
432
433 kmap_offset = cmd->dma.guest.ptr.offset >> PAGE_SHIFT;
434 kmap_num = (VMW_CURSOR_SNOOP_HEIGHT*image_pitch) >> PAGE_SHIFT;
435
436 ret = ttm_bo_reserve(bo, true, false, NULL);
437 if (unlikely(ret != 0)) {
438 DRM_ERROR("reserve failed\n");
439 return;
440 }
441
442 ret = ttm_bo_kmap(bo, kmap_offset, kmap_num, &map);
443 if (unlikely(ret != 0))
444 goto err_unreserve;
445
446 virtual = ttm_kmap_obj_virtual(&map, &is_iomem);
447
448 if (box->w == VMW_CURSOR_SNOOP_WIDTH && cmd->dma.guest.pitch == image_pitch) {
449 memcpy(srf->snooper.image, virtual,
450 VMW_CURSOR_SNOOP_HEIGHT*image_pitch);
451 } else {
452 /* Image is unsigned pointer. */
453 for (i = 0; i < box->h; i++)
454 memcpy(srf->snooper.image + i * image_pitch,
455 virtual + i * cmd->dma.guest.pitch,
456 box->w * desc->pitchBytesPerBlock);
457 }
458
459 srf->snooper.age++;
460
461 ttm_bo_kunmap(&map);
462err_unreserve:
463 ttm_bo_unreserve(bo);
464}
465
466/**
467 * vmw_kms_legacy_hotspot_clear - Clear legacy hotspots
468 *
469 * @dev_priv: Pointer to the device private struct.
470 *
471 * Clears all legacy hotspots.
472 */
473void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv)
474{
475 struct drm_device *dev = &dev_priv->drm;
476 struct vmw_display_unit *du;
477 struct drm_crtc *crtc;
478
479 drm_modeset_lock_all(dev);
480 drm_for_each_crtc(crtc, dev) {
481 du = vmw_crtc_to_du(crtc);
482
483 du->hotspot_x = 0;
484 du->hotspot_y = 0;
485 }
486 drm_modeset_unlock_all(dev);
487}
488
489void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv)
490{
491 struct drm_device *dev = &dev_priv->drm;
492 struct vmw_display_unit *du;
493 struct drm_crtc *crtc;
494
495 mutex_lock(&dev->mode_config.mutex);
496
497 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
498 du = vmw_crtc_to_du(crtc);
499 if (!du->cursor_surface ||
500 du->cursor_age == du->cursor_surface->snooper.age ||
501 !du->cursor_surface->snooper.image)
502 continue;
503
504 du->cursor_age = du->cursor_surface->snooper.age;
505 vmw_send_define_cursor_cmd(dev_priv,
506 du->cursor_surface->snooper.image,
507 VMW_CURSOR_SNOOP_WIDTH,
508 VMW_CURSOR_SNOOP_HEIGHT,
509 du->hotspot_x + du->core_hotspot_x,
510 du->hotspot_y + du->core_hotspot_y);
511 }
512
513 mutex_unlock(&dev->mode_config.mutex);
514}
515
516
517void vmw_du_cursor_plane_destroy(struct drm_plane *plane)
518{
519 struct vmw_cursor_plane *vcp = vmw_plane_to_vcp(plane);
520 u32 i;
521
522 vmw_cursor_update_position(vmw_priv(plane->dev), false, 0, 0);
523
524 for (i = 0; i < ARRAY_SIZE(vcp->cursor_mobs); i++)
525 vmw_du_destroy_cursor_mob(&vcp->cursor_mobs[i]);
526
527 drm_plane_cleanup(plane);
528}
529
530
531void vmw_du_primary_plane_destroy(struct drm_plane *plane)
532{
533 drm_plane_cleanup(plane);
534
535 /* Planes are static in our case so we don't free it */
536}
537
538
539/**
540 * vmw_du_plane_unpin_surf - unpins resource associated with a framebuffer surface
541 *
542 * @vps: plane state associated with the display surface
543 */
544void vmw_du_plane_unpin_surf(struct vmw_plane_state *vps)
545{
546 struct vmw_surface *surf = vmw_user_object_surface(&vps->uo);
547
548 if (surf) {
549 if (vps->pinned) {
550 vmw_resource_unpin(&surf->res);
551 vps->pinned--;
552 }
553 }
554}
555
556
557/**
558 * vmw_du_plane_cleanup_fb - Unpins the plane surface
559 *
560 * @plane: display plane
561 * @old_state: Contains the FB to clean up
562 *
563 * Unpins the framebuffer surface
564 *
565 * Returns 0 on success
566 */
567void
568vmw_du_plane_cleanup_fb(struct drm_plane *plane,
569 struct drm_plane_state *old_state)
570{
571 struct vmw_plane_state *vps = vmw_plane_state_to_vps(old_state);
572
573 vmw_du_plane_unpin_surf(vps);
574}
575
576
577/**
578 * vmw_du_cursor_plane_map_cm - Maps the cursor mobs.
579 *
580 * @vps: plane_state
581 *
582 * Returns 0 on success
583 */
584
585static int
586vmw_du_cursor_plane_map_cm(struct vmw_plane_state *vps)
587{
588 int ret;
589 u32 size = vmw_du_cursor_mob_size(vps->base.crtc_w, vps->base.crtc_h);
590 struct ttm_buffer_object *bo;
591
592 if (!vps->cursor.bo)
593 return -EINVAL;
594
595 bo = &vps->cursor.bo->tbo;
596
597 if (bo->base.size < size)
598 return -EINVAL;
599
600 if (vps->cursor.bo->map.virtual)
601 return 0;
602
603 ret = ttm_bo_reserve(bo, false, false, NULL);
604 if (unlikely(ret != 0))
605 return -ENOMEM;
606
607 vmw_bo_map_and_cache(vps->cursor.bo);
608
609 ttm_bo_unreserve(bo);
610
611 if (unlikely(ret != 0))
612 return -ENOMEM;
613
614 return 0;
615}
616
617
618/**
619 * vmw_du_cursor_plane_unmap_cm - Unmaps the cursor mobs.
620 *
621 * @vps: state of the cursor plane
622 *
623 * Returns 0 on success
624 */
625
626static int
627vmw_du_cursor_plane_unmap_cm(struct vmw_plane_state *vps)
628{
629 int ret = 0;
630 struct vmw_bo *vbo = vps->cursor.bo;
631
632 if (!vbo || !vbo->map.virtual)
633 return 0;
634
635 ret = ttm_bo_reserve(&vbo->tbo, true, false, NULL);
636 if (likely(ret == 0)) {
637 vmw_bo_unmap(vbo);
638 ttm_bo_unreserve(&vbo->tbo);
639 }
640
641 return ret;
642}
643
644
645/**
646 * vmw_du_cursor_plane_cleanup_fb - Unpins the plane surface
647 *
648 * @plane: cursor plane
649 * @old_state: contains the state to clean up
650 *
651 * Unmaps all cursor bo mappings and unpins the cursor surface
652 *
653 * Returns 0 on success
654 */
655void
656vmw_du_cursor_plane_cleanup_fb(struct drm_plane *plane,
657 struct drm_plane_state *old_state)
658{
659 struct vmw_cursor_plane *vcp = vmw_plane_to_vcp(plane);
660 struct vmw_plane_state *vps = vmw_plane_state_to_vps(old_state);
661
662 if (!vmw_user_object_is_null(&vps->uo))
663 vmw_user_object_unmap(&vps->uo);
664
665 vmw_du_cursor_plane_unmap_cm(vps);
666 vmw_du_put_cursor_mob(vcp, vps);
667
668 vmw_du_plane_unpin_surf(vps);
669 vmw_user_object_unref(&vps->uo);
670}
671
672
673/**
674 * vmw_du_cursor_plane_prepare_fb - Readies the cursor by referencing it
675 *
676 * @plane: display plane
677 * @new_state: info on the new plane state, including the FB
678 *
679 * Returns 0 on success
680 */
681int
682vmw_du_cursor_plane_prepare_fb(struct drm_plane *plane,
683 struct drm_plane_state *new_state)
684{
685 struct drm_framebuffer *fb = new_state->fb;
686 struct vmw_cursor_plane *vcp = vmw_plane_to_vcp(plane);
687 struct vmw_plane_state *vps = vmw_plane_state_to_vps(new_state);
688 struct vmw_bo *bo = NULL;
689 int ret = 0;
690
691 if (!vmw_user_object_is_null(&vps->uo)) {
692 vmw_user_object_unmap(&vps->uo);
693 vmw_user_object_unref(&vps->uo);
694 }
695
696 if (fb) {
697 if (vmw_framebuffer_to_vfb(fb)->bo) {
698 vps->uo.buffer = vmw_framebuffer_to_vfbd(fb)->buffer;
699 vps->uo.surface = NULL;
700 } else {
701 memcpy(&vps->uo, &vmw_framebuffer_to_vfbs(fb)->uo, sizeof(vps->uo));
702 }
703 vmw_user_object_ref(&vps->uo);
704 }
705
706 bo = vmw_user_object_buffer(&vps->uo);
707 if (bo) {
708 struct ttm_operation_ctx ctx = {false, false};
709
710 ret = ttm_bo_reserve(&bo->tbo, true, false, NULL);
711 if (ret != 0)
712 return -ENOMEM;
713
714 ret = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
715 if (ret != 0)
716 return -ENOMEM;
717
718 vmw_bo_pin_reserved(bo, true);
719 if (vmw_framebuffer_to_vfb(fb)->bo) {
720 const u32 size = new_state->crtc_w * new_state->crtc_h * sizeof(u32);
721
722 (void)vmw_bo_map_and_cache_size(bo, size);
723 } else {
724 vmw_bo_map_and_cache(bo);
725 }
726 ttm_bo_unreserve(&bo->tbo);
727 }
728
729 if (!vmw_user_object_is_null(&vps->uo)) {
730 vmw_du_get_cursor_mob(vcp, vps);
731 vmw_du_cursor_plane_map_cm(vps);
732 }
733
734 return 0;
735}
736
737
738void
739vmw_du_cursor_plane_atomic_update(struct drm_plane *plane,
740 struct drm_atomic_state *state)
741{
742 struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
743 plane);
744 struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
745 plane);
746 struct drm_crtc *crtc = new_state->crtc ?: old_state->crtc;
747 struct vmw_private *dev_priv = vmw_priv(crtc->dev);
748 struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
749 struct vmw_plane_state *vps = vmw_plane_state_to_vps(new_state);
750 struct vmw_plane_state *old_vps = vmw_plane_state_to_vps(old_state);
751 struct vmw_bo *old_bo = NULL;
752 struct vmw_bo *new_bo = NULL;
753 struct ww_acquire_ctx ctx;
754 s32 hotspot_x, hotspot_y;
755 int ret;
756
757 hotspot_x = du->hotspot_x + new_state->hotspot_x;
758 hotspot_y = du->hotspot_y + new_state->hotspot_y;
759
760 du->cursor_surface = vmw_user_object_surface(&vps->uo);
761
762 if (vmw_user_object_is_null(&vps->uo)) {
763 vmw_cursor_update_position(dev_priv, false, 0, 0);
764 return;
765 }
766
767 vps->cursor.hotspot_x = hotspot_x;
768 vps->cursor.hotspot_y = hotspot_y;
769
770 if (du->cursor_surface)
771 du->cursor_age = du->cursor_surface->snooper.age;
772
773 ww_acquire_init(&ctx, &reservation_ww_class);
774
775 if (!vmw_user_object_is_null(&old_vps->uo)) {
776 old_bo = vmw_user_object_buffer(&old_vps->uo);
777 ret = ttm_bo_reserve(&old_bo->tbo, false, false, &ctx);
778 if (ret != 0)
779 return;
780 }
781
782 if (!vmw_user_object_is_null(&vps->uo)) {
783 new_bo = vmw_user_object_buffer(&vps->uo);
784 if (old_bo != new_bo) {
785 ret = ttm_bo_reserve(&new_bo->tbo, false, false, &ctx);
786 if (ret != 0) {
787 if (old_bo) {
788 ttm_bo_unreserve(&old_bo->tbo);
789 ww_acquire_fini(&ctx);
790 }
791 return;
792 }
793 } else {
794 new_bo = NULL;
795 }
796 }
797 if (!vmw_du_cursor_plane_has_changed(old_vps, vps)) {
798 /*
799 * If it hasn't changed, avoid making the device do extra
800 * work by keeping the old cursor active.
801 */
802 struct vmw_cursor_plane_state tmp = old_vps->cursor;
803 old_vps->cursor = vps->cursor;
804 vps->cursor = tmp;
805 } else {
806 void *image = vmw_du_cursor_plane_acquire_image(vps);
807 if (image)
808 vmw_cursor_update_image(dev_priv, vps, image,
809 new_state->crtc_w,
810 new_state->crtc_h,
811 hotspot_x, hotspot_y);
812 }
813
814 if (new_bo)
815 ttm_bo_unreserve(&new_bo->tbo);
816 if (old_bo)
817 ttm_bo_unreserve(&old_bo->tbo);
818
819 ww_acquire_fini(&ctx);
820
821 du->cursor_x = new_state->crtc_x + du->set_gui_x;
822 du->cursor_y = new_state->crtc_y + du->set_gui_y;
823
824 vmw_cursor_update_position(dev_priv, true,
825 du->cursor_x + hotspot_x,
826 du->cursor_y + hotspot_y);
827
828 du->core_hotspot_x = hotspot_x - du->hotspot_x;
829 du->core_hotspot_y = hotspot_y - du->hotspot_y;
830}
831
832
833/**
834 * vmw_du_primary_plane_atomic_check - check if the new state is okay
835 *
836 * @plane: display plane
837 * @state: info on the new plane state, including the FB
838 *
839 * Check if the new state is settable given the current state. Other
840 * than what the atomic helper checks, we care about crtc fitting
841 * the FB and maintaining one active framebuffer.
842 *
843 * Returns 0 on success
844 */
845int vmw_du_primary_plane_atomic_check(struct drm_plane *plane,
846 struct drm_atomic_state *state)
847{
848 struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
849 plane);
850 struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
851 plane);
852 struct drm_crtc_state *crtc_state = NULL;
853 struct drm_framebuffer *new_fb = new_state->fb;
854 struct drm_framebuffer *old_fb = old_state->fb;
855 int ret;
856
857 /*
858 * Ignore damage clips if the framebuffer attached to the plane's state
859 * has changed since the last plane update (page-flip). In this case, a
860 * full plane update should happen because uploads are done per-buffer.
861 */
862 if (old_fb != new_fb)
863 new_state->ignore_damage_clips = true;
864
865 if (new_state->crtc)
866 crtc_state = drm_atomic_get_new_crtc_state(state,
867 new_state->crtc);
868
869 ret = drm_atomic_helper_check_plane_state(new_state, crtc_state,
870 DRM_PLANE_NO_SCALING,
871 DRM_PLANE_NO_SCALING,
872 false, true);
873 return ret;
874}
875
876
877/**
878 * vmw_du_cursor_plane_atomic_check - check if the new state is okay
879 *
880 * @plane: cursor plane
881 * @state: info on the new plane state
882 *
883 * This is a chance to fail if the new cursor state does not fit
884 * our requirements.
885 *
886 * Returns 0 on success
887 */
888int vmw_du_cursor_plane_atomic_check(struct drm_plane *plane,
889 struct drm_atomic_state *state)
890{
891 struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
892 plane);
893 int ret = 0;
894 struct drm_crtc_state *crtc_state = NULL;
895 struct vmw_surface *surface = NULL;
896 struct drm_framebuffer *fb = new_state->fb;
897
898 if (new_state->crtc)
899 crtc_state = drm_atomic_get_new_crtc_state(new_state->state,
900 new_state->crtc);
901
902 ret = drm_atomic_helper_check_plane_state(new_state, crtc_state,
903 DRM_PLANE_NO_SCALING,
904 DRM_PLANE_NO_SCALING,
905 true, true);
906 if (ret)
907 return ret;
908
909 /* Turning off */
910 if (!fb)
911 return 0;
912
913 /* A lot of the code assumes this */
914 if (new_state->crtc_w != 64 || new_state->crtc_h != 64) {
915 DRM_ERROR("Invalid cursor dimensions (%d, %d)\n",
916 new_state->crtc_w, new_state->crtc_h);
917 return -EINVAL;
918 }
919
920 if (!vmw_framebuffer_to_vfb(fb)->bo) {
921 surface = vmw_user_object_surface(&vmw_framebuffer_to_vfbs(fb)->uo);
922
923 WARN_ON(!surface);
924
925 if (!surface ||
926 (!surface->snooper.image && !surface->res.guest_memory_bo)) {
927 DRM_ERROR("surface not suitable for cursor\n");
928 return -EINVAL;
929 }
930 }
931
932 return 0;
933}
934
935
936int vmw_du_crtc_atomic_check(struct drm_crtc *crtc,
937 struct drm_atomic_state *state)
938{
939 struct vmw_private *vmw = vmw_priv(crtc->dev);
940 struct drm_crtc_state *new_state = drm_atomic_get_new_crtc_state(state,
941 crtc);
942 struct vmw_display_unit *du = vmw_crtc_to_du(new_state->crtc);
943 int connector_mask = drm_connector_mask(&du->connector);
944 bool has_primary = new_state->plane_mask &
945 drm_plane_mask(crtc->primary);
946
947 /*
948 * This is fine in general, but broken userspace might expect
949 * some actual rendering so give a clue as why it's blank.
950 */
951 if (new_state->enable && !has_primary)
952 drm_dbg_driver(&vmw->drm,
953 "CRTC without a primary plane will be blank.\n");
954
955
956 if (new_state->connector_mask != connector_mask &&
957 new_state->connector_mask != 0) {
958 DRM_ERROR("Invalid connectors configuration\n");
959 return -EINVAL;
960 }
961
962 /*
963 * Our virtual device does not have a dot clock, so use the logical
964 * clock value as the dot clock.
965 */
966 if (new_state->mode.crtc_clock == 0)
967 new_state->adjusted_mode.crtc_clock = new_state->mode.clock;
968
969 return 0;
970}
971
972
973void vmw_du_crtc_atomic_begin(struct drm_crtc *crtc,
974 struct drm_atomic_state *state)
975{
976 vmw_vkms_crtc_atomic_begin(crtc, state);
977}
978
979/**
980 * vmw_du_crtc_duplicate_state - duplicate crtc state
981 * @crtc: DRM crtc
982 *
983 * Allocates and returns a copy of the crtc state (both common and
984 * vmw-specific) for the specified crtc.
985 *
986 * Returns: The newly allocated crtc state, or NULL on failure.
987 */
988struct drm_crtc_state *
989vmw_du_crtc_duplicate_state(struct drm_crtc *crtc)
990{
991 struct drm_crtc_state *state;
992 struct vmw_crtc_state *vcs;
993
994 if (WARN_ON(!crtc->state))
995 return NULL;
996
997 vcs = kmemdup(crtc->state, sizeof(*vcs), GFP_KERNEL);
998
999 if (!vcs)
1000 return NULL;
1001
1002 state = &vcs->base;
1003
1004 __drm_atomic_helper_crtc_duplicate_state(crtc, state);
1005
1006 return state;
1007}
1008
1009
1010/**
1011 * vmw_du_crtc_reset - creates a blank vmw crtc state
1012 * @crtc: DRM crtc
1013 *
1014 * Resets the atomic state for @crtc by freeing the state pointer (which
1015 * might be NULL, e.g. at driver load time) and allocating a new empty state
1016 * object.
1017 */
1018void vmw_du_crtc_reset(struct drm_crtc *crtc)
1019{
1020 struct vmw_crtc_state *vcs;
1021
1022
1023 if (crtc->state) {
1024 __drm_atomic_helper_crtc_destroy_state(crtc->state);
1025
1026 kfree(vmw_crtc_state_to_vcs(crtc->state));
1027 }
1028
1029 vcs = kzalloc(sizeof(*vcs), GFP_KERNEL);
1030
1031 if (!vcs) {
1032 DRM_ERROR("Cannot allocate vmw_crtc_state\n");
1033 return;
1034 }
1035
1036 __drm_atomic_helper_crtc_reset(crtc, &vcs->base);
1037}
1038
1039
1040/**
1041 * vmw_du_crtc_destroy_state - destroy crtc state
1042 * @crtc: DRM crtc
1043 * @state: state object to destroy
1044 *
1045 * Destroys the crtc state (both common and vmw-specific) for the
1046 * specified plane.
1047 */
1048void
1049vmw_du_crtc_destroy_state(struct drm_crtc *crtc,
1050 struct drm_crtc_state *state)
1051{
1052 drm_atomic_helper_crtc_destroy_state(crtc, state);
1053}
1054
1055
1056/**
1057 * vmw_du_plane_duplicate_state - duplicate plane state
1058 * @plane: drm plane
1059 *
1060 * Allocates and returns a copy of the plane state (both common and
1061 * vmw-specific) for the specified plane.
1062 *
1063 * Returns: The newly allocated plane state, or NULL on failure.
1064 */
1065struct drm_plane_state *
1066vmw_du_plane_duplicate_state(struct drm_plane *plane)
1067{
1068 struct drm_plane_state *state;
1069 struct vmw_plane_state *vps;
1070
1071 vps = kmemdup(plane->state, sizeof(*vps), GFP_KERNEL);
1072
1073 if (!vps)
1074 return NULL;
1075
1076 vps->pinned = 0;
1077 vps->cpp = 0;
1078
1079 memset(&vps->cursor, 0, sizeof(vps->cursor));
1080
1081 /* Each ref counted resource needs to be acquired again */
1082 vmw_user_object_ref(&vps->uo);
1083 state = &vps->base;
1084
1085 __drm_atomic_helper_plane_duplicate_state(plane, state);
1086
1087 return state;
1088}
1089
1090
1091/**
1092 * vmw_du_plane_reset - creates a blank vmw plane state
1093 * @plane: drm plane
1094 *
1095 * Resets the atomic state for @plane by freeing the state pointer (which might
1096 * be NULL, e.g. at driver load time) and allocating a new empty state object.
1097 */
1098void vmw_du_plane_reset(struct drm_plane *plane)
1099{
1100 struct vmw_plane_state *vps;
1101
1102 if (plane->state)
1103 vmw_du_plane_destroy_state(plane, plane->state);
1104
1105 vps = kzalloc(sizeof(*vps), GFP_KERNEL);
1106
1107 if (!vps) {
1108 DRM_ERROR("Cannot allocate vmw_plane_state\n");
1109 return;
1110 }
1111
1112 __drm_atomic_helper_plane_reset(plane, &vps->base);
1113}
1114
1115
1116/**
1117 * vmw_du_plane_destroy_state - destroy plane state
1118 * @plane: DRM plane
1119 * @state: state object to destroy
1120 *
1121 * Destroys the plane state (both common and vmw-specific) for the
1122 * specified plane.
1123 */
1124void
1125vmw_du_plane_destroy_state(struct drm_plane *plane,
1126 struct drm_plane_state *state)
1127{
1128 struct vmw_plane_state *vps = vmw_plane_state_to_vps(state);
1129
1130 /* Should have been freed by cleanup_fb */
1131 vmw_user_object_unref(&vps->uo);
1132
1133 drm_atomic_helper_plane_destroy_state(plane, state);
1134}
1135
1136
1137/**
1138 * vmw_du_connector_duplicate_state - duplicate connector state
1139 * @connector: DRM connector
1140 *
1141 * Allocates and returns a copy of the connector state (both common and
1142 * vmw-specific) for the specified connector.
1143 *
1144 * Returns: The newly allocated connector state, or NULL on failure.
1145 */
1146struct drm_connector_state *
1147vmw_du_connector_duplicate_state(struct drm_connector *connector)
1148{
1149 struct drm_connector_state *state;
1150 struct vmw_connector_state *vcs;
1151
1152 if (WARN_ON(!connector->state))
1153 return NULL;
1154
1155 vcs = kmemdup(connector->state, sizeof(*vcs), GFP_KERNEL);
1156
1157 if (!vcs)
1158 return NULL;
1159
1160 state = &vcs->base;
1161
1162 __drm_atomic_helper_connector_duplicate_state(connector, state);
1163
1164 return state;
1165}
1166
1167
1168/**
1169 * vmw_du_connector_reset - creates a blank vmw connector state
1170 * @connector: DRM connector
1171 *
1172 * Resets the atomic state for @connector by freeing the state pointer (which
1173 * might be NULL, e.g. at driver load time) and allocating a new empty state
1174 * object.
1175 */
1176void vmw_du_connector_reset(struct drm_connector *connector)
1177{
1178 struct vmw_connector_state *vcs;
1179
1180
1181 if (connector->state) {
1182 __drm_atomic_helper_connector_destroy_state(connector->state);
1183
1184 kfree(vmw_connector_state_to_vcs(connector->state));
1185 }
1186
1187 vcs = kzalloc(sizeof(*vcs), GFP_KERNEL);
1188
1189 if (!vcs) {
1190 DRM_ERROR("Cannot allocate vmw_connector_state\n");
1191 return;
1192 }
1193
1194 __drm_atomic_helper_connector_reset(connector, &vcs->base);
1195}
1196
1197
1198/**
1199 * vmw_du_connector_destroy_state - destroy connector state
1200 * @connector: DRM connector
1201 * @state: state object to destroy
1202 *
1203 * Destroys the connector state (both common and vmw-specific) for the
1204 * specified plane.
1205 */
1206void
1207vmw_du_connector_destroy_state(struct drm_connector *connector,
1208 struct drm_connector_state *state)
1209{
1210 drm_atomic_helper_connector_destroy_state(connector, state);
1211}
1212/*
1213 * Generic framebuffer code
1214 */
1215
1216/*
1217 * Surface framebuffer code
1218 */
1219
1220static void vmw_framebuffer_surface_destroy(struct drm_framebuffer *framebuffer)
1221{
1222 struct vmw_framebuffer_surface *vfbs =
1223 vmw_framebuffer_to_vfbs(framebuffer);
1224
1225 drm_framebuffer_cleanup(framebuffer);
1226 vmw_user_object_unref(&vfbs->uo);
1227
1228 kfree(vfbs);
1229}
1230
1231/**
1232 * vmw_kms_readback - Perform a readback from the screen system to
1233 * a buffer-object backed framebuffer.
1234 *
1235 * @dev_priv: Pointer to the device private structure.
1236 * @file_priv: Pointer to a struct drm_file identifying the caller.
1237 * Must be set to NULL if @user_fence_rep is NULL.
1238 * @vfb: Pointer to the buffer-object backed framebuffer.
1239 * @user_fence_rep: User-space provided structure for fence information.
1240 * Must be set to non-NULL if @file_priv is non-NULL.
1241 * @vclips: Array of clip rects.
1242 * @num_clips: Number of clip rects in @vclips.
1243 *
1244 * Returns 0 on success, negative error code on failure. -ERESTARTSYS if
1245 * interrupted.
1246 */
1247int vmw_kms_readback(struct vmw_private *dev_priv,
1248 struct drm_file *file_priv,
1249 struct vmw_framebuffer *vfb,
1250 struct drm_vmw_fence_rep __user *user_fence_rep,
1251 struct drm_vmw_rect *vclips,
1252 uint32_t num_clips)
1253{
1254 switch (dev_priv->active_display_unit) {
1255 case vmw_du_screen_object:
1256 return vmw_kms_sou_readback(dev_priv, file_priv, vfb,
1257 user_fence_rep, vclips, num_clips,
1258 NULL);
1259 case vmw_du_screen_target:
1260 return vmw_kms_stdu_readback(dev_priv, file_priv, vfb,
1261 user_fence_rep, NULL, vclips, num_clips,
1262 1, NULL);
1263 default:
1264 WARN_ONCE(true,
1265 "Readback called with invalid display system.\n");
1266}
1267
1268 return -ENOSYS;
1269}
1270
1271static int vmw_framebuffer_surface_create_handle(struct drm_framebuffer *fb,
1272 struct drm_file *file_priv,
1273 unsigned int *handle)
1274{
1275 struct vmw_framebuffer_surface *vfbs = vmw_framebuffer_to_vfbs(fb);
1276 struct vmw_bo *bo = vmw_user_object_buffer(&vfbs->uo);
1277
1278 if (WARN_ON(!bo))
1279 return -EINVAL;
1280 return drm_gem_handle_create(file_priv, &bo->tbo.base, handle);
1281}
1282
1283static const struct drm_framebuffer_funcs vmw_framebuffer_surface_funcs = {
1284 .create_handle = vmw_framebuffer_surface_create_handle,
1285 .destroy = vmw_framebuffer_surface_destroy,
1286 .dirty = drm_atomic_helper_dirtyfb,
1287};
1288
1289static int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv,
1290 struct vmw_user_object *uo,
1291 struct vmw_framebuffer **out,
1292 const struct drm_mode_fb_cmd2
1293 *mode_cmd)
1294
1295{
1296 struct drm_device *dev = &dev_priv->drm;
1297 struct vmw_framebuffer_surface *vfbs;
1298 struct vmw_surface *surface;
1299 int ret;
1300
1301 /* 3D is only supported on HWv8 and newer hosts */
1302 if (dev_priv->active_display_unit == vmw_du_legacy)
1303 return -ENOSYS;
1304
1305 surface = vmw_user_object_surface(uo);
1306
1307 /*
1308 * Sanity checks.
1309 */
1310
1311 if (!drm_any_plane_has_format(&dev_priv->drm,
1312 mode_cmd->pixel_format,
1313 mode_cmd->modifier[0])) {
1314 drm_dbg(&dev_priv->drm,
1315 "unsupported pixel format %p4cc / modifier 0x%llx\n",
1316 &mode_cmd->pixel_format, mode_cmd->modifier[0]);
1317 return -EINVAL;
1318 }
1319
1320 /* Surface must be marked as a scanout. */
1321 if (unlikely(!surface->metadata.scanout))
1322 return -EINVAL;
1323
1324 if (unlikely(surface->metadata.mip_levels[0] != 1 ||
1325 surface->metadata.num_sizes != 1 ||
1326 surface->metadata.base_size.width < mode_cmd->width ||
1327 surface->metadata.base_size.height < mode_cmd->height ||
1328 surface->metadata.base_size.depth != 1)) {
1329 DRM_ERROR("Incompatible surface dimensions "
1330 "for requested mode.\n");
1331 return -EINVAL;
1332 }
1333
1334 vfbs = kzalloc(sizeof(*vfbs), GFP_KERNEL);
1335 if (!vfbs) {
1336 ret = -ENOMEM;
1337 goto out_err1;
1338 }
1339
1340 drm_helper_mode_fill_fb_struct(dev, &vfbs->base.base, mode_cmd);
1341 memcpy(&vfbs->uo, uo, sizeof(vfbs->uo));
1342 vmw_user_object_ref(&vfbs->uo);
1343
1344 *out = &vfbs->base;
1345
1346 ret = drm_framebuffer_init(dev, &vfbs->base.base,
1347 &vmw_framebuffer_surface_funcs);
1348 if (ret)
1349 goto out_err2;
1350
1351 return 0;
1352
1353out_err2:
1354 vmw_user_object_unref(&vfbs->uo);
1355 kfree(vfbs);
1356out_err1:
1357 return ret;
1358}
1359
1360/*
1361 * Buffer-object framebuffer code
1362 */
1363
1364static int vmw_framebuffer_bo_create_handle(struct drm_framebuffer *fb,
1365 struct drm_file *file_priv,
1366 unsigned int *handle)
1367{
1368 struct vmw_framebuffer_bo *vfbd =
1369 vmw_framebuffer_to_vfbd(fb);
1370 return drm_gem_handle_create(file_priv, &vfbd->buffer->tbo.base, handle);
1371}
1372
1373static void vmw_framebuffer_bo_destroy(struct drm_framebuffer *framebuffer)
1374{
1375 struct vmw_framebuffer_bo *vfbd =
1376 vmw_framebuffer_to_vfbd(framebuffer);
1377
1378 drm_framebuffer_cleanup(framebuffer);
1379 vmw_bo_unreference(&vfbd->buffer);
1380
1381 kfree(vfbd);
1382}
1383
1384static const struct drm_framebuffer_funcs vmw_framebuffer_bo_funcs = {
1385 .create_handle = vmw_framebuffer_bo_create_handle,
1386 .destroy = vmw_framebuffer_bo_destroy,
1387 .dirty = drm_atomic_helper_dirtyfb,
1388};
1389
1390static int vmw_kms_new_framebuffer_bo(struct vmw_private *dev_priv,
1391 struct vmw_bo *bo,
1392 struct vmw_framebuffer **out,
1393 const struct drm_mode_fb_cmd2
1394 *mode_cmd)
1395
1396{
1397 struct drm_device *dev = &dev_priv->drm;
1398 struct vmw_framebuffer_bo *vfbd;
1399 unsigned int requested_size;
1400 int ret;
1401
1402 requested_size = mode_cmd->height * mode_cmd->pitches[0];
1403 if (unlikely(requested_size > bo->tbo.base.size)) {
1404 DRM_ERROR("Screen buffer object size is too small "
1405 "for requested mode.\n");
1406 return -EINVAL;
1407 }
1408
1409 if (!drm_any_plane_has_format(&dev_priv->drm,
1410 mode_cmd->pixel_format,
1411 mode_cmd->modifier[0])) {
1412 drm_dbg(&dev_priv->drm,
1413 "unsupported pixel format %p4cc / modifier 0x%llx\n",
1414 &mode_cmd->pixel_format, mode_cmd->modifier[0]);
1415 return -EINVAL;
1416 }
1417
1418 vfbd = kzalloc(sizeof(*vfbd), GFP_KERNEL);
1419 if (!vfbd) {
1420 ret = -ENOMEM;
1421 goto out_err1;
1422 }
1423
1424 vfbd->base.base.obj[0] = &bo->tbo.base;
1425 drm_helper_mode_fill_fb_struct(dev, &vfbd->base.base, mode_cmd);
1426 vfbd->base.bo = true;
1427 vfbd->buffer = vmw_bo_reference(bo);
1428 *out = &vfbd->base;
1429
1430 ret = drm_framebuffer_init(dev, &vfbd->base.base,
1431 &vmw_framebuffer_bo_funcs);
1432 if (ret)
1433 goto out_err2;
1434
1435 return 0;
1436
1437out_err2:
1438 vmw_bo_unreference(&bo);
1439 kfree(vfbd);
1440out_err1:
1441 return ret;
1442}
1443
1444
1445/**
1446 * vmw_kms_srf_ok - check if a surface can be created
1447 *
1448 * @dev_priv: Pointer to device private struct.
1449 * @width: requested width
1450 * @height: requested height
1451 *
1452 * Surfaces need to be less than texture size
1453 */
1454static bool
1455vmw_kms_srf_ok(struct vmw_private *dev_priv, uint32_t width, uint32_t height)
1456{
1457 if (width > dev_priv->texture_max_width ||
1458 height > dev_priv->texture_max_height)
1459 return false;
1460
1461 return true;
1462}
1463
1464/**
1465 * vmw_kms_new_framebuffer - Create a new framebuffer.
1466 *
1467 * @dev_priv: Pointer to device private struct.
1468 * @uo: Pointer to user object to wrap the kms framebuffer around.
1469 * Either the buffer or surface inside the user object must be NULL.
1470 * @mode_cmd: Frame-buffer metadata.
1471 */
1472struct vmw_framebuffer *
1473vmw_kms_new_framebuffer(struct vmw_private *dev_priv,
1474 struct vmw_user_object *uo,
1475 const struct drm_mode_fb_cmd2 *mode_cmd)
1476{
1477 struct vmw_framebuffer *vfb = NULL;
1478 int ret;
1479
1480 /* Create the new framebuffer depending one what we have */
1481 if (vmw_user_object_surface(uo)) {
1482 ret = vmw_kms_new_framebuffer_surface(dev_priv, uo, &vfb,
1483 mode_cmd);
1484 } else if (uo->buffer) {
1485 ret = vmw_kms_new_framebuffer_bo(dev_priv, uo->buffer, &vfb,
1486 mode_cmd);
1487 } else {
1488 BUG();
1489 }
1490
1491 if (ret)
1492 return ERR_PTR(ret);
1493
1494 return vfb;
1495}
1496
1497/*
1498 * Generic Kernel modesetting functions
1499 */
1500
1501static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev,
1502 struct drm_file *file_priv,
1503 const struct drm_mode_fb_cmd2 *mode_cmd)
1504{
1505 struct vmw_private *dev_priv = vmw_priv(dev);
1506 struct vmw_framebuffer *vfb = NULL;
1507 struct vmw_user_object uo = {0};
1508 int ret;
1509
1510 /* returns either a bo or surface */
1511 ret = vmw_user_object_lookup(dev_priv, file_priv, mode_cmd->handles[0],
1512 &uo);
1513 if (ret) {
1514 DRM_ERROR("Invalid buffer object handle %u (0x%x).\n",
1515 mode_cmd->handles[0], mode_cmd->handles[0]);
1516 goto err_out;
1517 }
1518
1519
1520 if (vmw_user_object_surface(&uo) &&
1521 !vmw_kms_srf_ok(dev_priv, mode_cmd->width, mode_cmd->height)) {
1522 DRM_ERROR("Surface size cannot exceed %dx%d\n",
1523 dev_priv->texture_max_width,
1524 dev_priv->texture_max_height);
1525 ret = -EINVAL;
1526 goto err_out;
1527 }
1528
1529
1530 vfb = vmw_kms_new_framebuffer(dev_priv, &uo, mode_cmd);
1531 if (IS_ERR(vfb)) {
1532 ret = PTR_ERR(vfb);
1533 goto err_out;
1534 }
1535
1536err_out:
1537 /* vmw_user_object_lookup takes one ref so does new_fb */
1538 vmw_user_object_unref(&uo);
1539
1540 if (ret) {
1541 DRM_ERROR("failed to create vmw_framebuffer: %i\n", ret);
1542 return ERR_PTR(ret);
1543 }
1544
1545 return &vfb->base;
1546}
1547
1548/**
1549 * vmw_kms_check_display_memory - Validates display memory required for a
1550 * topology
1551 * @dev: DRM device
1552 * @num_rects: number of drm_rect in rects
1553 * @rects: array of drm_rect representing the topology to validate indexed by
1554 * crtc index.
1555 *
1556 * Returns:
1557 * 0 on success otherwise negative error code
1558 */
1559static int vmw_kms_check_display_memory(struct drm_device *dev,
1560 uint32_t num_rects,
1561 struct drm_rect *rects)
1562{
1563 struct vmw_private *dev_priv = vmw_priv(dev);
1564 struct drm_rect bounding_box = {0};
1565 u64 total_pixels = 0, pixel_mem, bb_mem;
1566 int i;
1567
1568 for (i = 0; i < num_rects; i++) {
1569 /*
1570 * For STDU only individual screen (screen target) is limited by
1571 * SCREENTARGET_MAX_WIDTH/HEIGHT registers.
1572 */
1573 if (dev_priv->active_display_unit == vmw_du_screen_target &&
1574 (drm_rect_width(&rects[i]) > dev_priv->stdu_max_width ||
1575 drm_rect_height(&rects[i]) > dev_priv->stdu_max_height)) {
1576 VMW_DEBUG_KMS("Screen size not supported.\n");
1577 return -EINVAL;
1578 }
1579
1580 /* Bounding box upper left is at (0,0). */
1581 if (rects[i].x2 > bounding_box.x2)
1582 bounding_box.x2 = rects[i].x2;
1583
1584 if (rects[i].y2 > bounding_box.y2)
1585 bounding_box.y2 = rects[i].y2;
1586
1587 total_pixels += (u64) drm_rect_width(&rects[i]) *
1588 (u64) drm_rect_height(&rects[i]);
1589 }
1590
1591 /* Virtual svga device primary limits are always in 32-bpp. */
1592 pixel_mem = total_pixels * 4;
1593
1594 /*
1595 * For HV10 and below prim_bb_mem is vram size. When
1596 * SVGA_REG_MAX_PRIMARY_BOUNDING_BOX_MEM is not present vram size is
1597 * limit on primary bounding box
1598 */
1599 if (pixel_mem > dev_priv->max_primary_mem) {
1600 VMW_DEBUG_KMS("Combined output size too large.\n");
1601 return -EINVAL;
1602 }
1603
1604 /* SVGA_CAP_NO_BB_RESTRICTION is available for STDU only. */
1605 if (dev_priv->active_display_unit != vmw_du_screen_target ||
1606 !(dev_priv->capabilities & SVGA_CAP_NO_BB_RESTRICTION)) {
1607 bb_mem = (u64) bounding_box.x2 * bounding_box.y2 * 4;
1608
1609 if (bb_mem > dev_priv->max_primary_mem) {
1610 VMW_DEBUG_KMS("Topology is beyond supported limits.\n");
1611 return -EINVAL;
1612 }
1613 }
1614
1615 return 0;
1616}
1617
1618/**
1619 * vmw_crtc_state_and_lock - Return new or current crtc state with locked
1620 * crtc mutex
1621 * @state: The atomic state pointer containing the new atomic state
1622 * @crtc: The crtc
1623 *
1624 * This function returns the new crtc state if it's part of the state update.
1625 * Otherwise returns the current crtc state. It also makes sure that the
1626 * crtc mutex is locked.
1627 *
1628 * Returns: A valid crtc state pointer or NULL. It may also return a
1629 * pointer error, in particular -EDEADLK if locking needs to be rerun.
1630 */
1631static struct drm_crtc_state *
1632vmw_crtc_state_and_lock(struct drm_atomic_state *state, struct drm_crtc *crtc)
1633{
1634 struct drm_crtc_state *crtc_state;
1635
1636 crtc_state = drm_atomic_get_new_crtc_state(state, crtc);
1637 if (crtc_state) {
1638 lockdep_assert_held(&crtc->mutex.mutex.base);
1639 } else {
1640 int ret = drm_modeset_lock(&crtc->mutex, state->acquire_ctx);
1641
1642 if (ret != 0 && ret != -EALREADY)
1643 return ERR_PTR(ret);
1644
1645 crtc_state = crtc->state;
1646 }
1647
1648 return crtc_state;
1649}
1650
1651/**
1652 * vmw_kms_check_implicit - Verify that all implicit display units scan out
1653 * from the same fb after the new state is committed.
1654 * @dev: The drm_device.
1655 * @state: The new state to be checked.
1656 *
1657 * Returns:
1658 * Zero on success,
1659 * -EINVAL on invalid state,
1660 * -EDEADLK if modeset locking needs to be rerun.
1661 */
1662static int vmw_kms_check_implicit(struct drm_device *dev,
1663 struct drm_atomic_state *state)
1664{
1665 struct drm_framebuffer *implicit_fb = NULL;
1666 struct drm_crtc *crtc;
1667 struct drm_crtc_state *crtc_state;
1668 struct drm_plane_state *plane_state;
1669
1670 drm_for_each_crtc(crtc, dev) {
1671 struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
1672
1673 if (!du->is_implicit)
1674 continue;
1675
1676 crtc_state = vmw_crtc_state_and_lock(state, crtc);
1677 if (IS_ERR(crtc_state))
1678 return PTR_ERR(crtc_state);
1679
1680 if (!crtc_state || !crtc_state->enable)
1681 continue;
1682
1683 /*
1684 * Can't move primary planes across crtcs, so this is OK.
1685 * It also means we don't need to take the plane mutex.
1686 */
1687 plane_state = du->primary.state;
1688 if (plane_state->crtc != crtc)
1689 continue;
1690
1691 if (!implicit_fb)
1692 implicit_fb = plane_state->fb;
1693 else if (implicit_fb != plane_state->fb)
1694 return -EINVAL;
1695 }
1696
1697 return 0;
1698}
1699
1700/**
1701 * vmw_kms_check_topology - Validates topology in drm_atomic_state
1702 * @dev: DRM device
1703 * @state: the driver state object
1704 *
1705 * Returns:
1706 * 0 on success otherwise negative error code
1707 */
1708static int vmw_kms_check_topology(struct drm_device *dev,
1709 struct drm_atomic_state *state)
1710{
1711 struct drm_crtc_state *old_crtc_state, *new_crtc_state;
1712 struct drm_rect *rects;
1713 struct drm_crtc *crtc;
1714 uint32_t i;
1715 int ret = 0;
1716
1717 rects = kcalloc(dev->mode_config.num_crtc, sizeof(struct drm_rect),
1718 GFP_KERNEL);
1719 if (!rects)
1720 return -ENOMEM;
1721
1722 drm_for_each_crtc(crtc, dev) {
1723 struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
1724 struct drm_crtc_state *crtc_state;
1725
1726 i = drm_crtc_index(crtc);
1727
1728 crtc_state = vmw_crtc_state_and_lock(state, crtc);
1729 if (IS_ERR(crtc_state)) {
1730 ret = PTR_ERR(crtc_state);
1731 goto clean;
1732 }
1733
1734 if (!crtc_state)
1735 continue;
1736
1737 if (crtc_state->enable) {
1738 rects[i].x1 = du->gui_x;
1739 rects[i].y1 = du->gui_y;
1740 rects[i].x2 = du->gui_x + crtc_state->mode.hdisplay;
1741 rects[i].y2 = du->gui_y + crtc_state->mode.vdisplay;
1742 } else {
1743 rects[i].x1 = 0;
1744 rects[i].y1 = 0;
1745 rects[i].x2 = 0;
1746 rects[i].y2 = 0;
1747 }
1748 }
1749
1750 /* Determine change to topology due to new atomic state */
1751 for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state,
1752 new_crtc_state, i) {
1753 struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
1754 struct drm_connector *connector;
1755 struct drm_connector_state *conn_state;
1756 struct vmw_connector_state *vmw_conn_state;
1757
1758 if (!du->pref_active && new_crtc_state->enable) {
1759 VMW_DEBUG_KMS("Enabling a disabled display unit\n");
1760 ret = -EINVAL;
1761 goto clean;
1762 }
1763
1764 /*
1765 * For vmwgfx each crtc has only one connector attached and it
1766 * is not changed so don't really need to check the
1767 * crtc->connector_mask and iterate over it.
1768 */
1769 connector = &du->connector;
1770 conn_state = drm_atomic_get_connector_state(state, connector);
1771 if (IS_ERR(conn_state)) {
1772 ret = PTR_ERR(conn_state);
1773 goto clean;
1774 }
1775
1776 vmw_conn_state = vmw_connector_state_to_vcs(conn_state);
1777 vmw_conn_state->gui_x = du->gui_x;
1778 vmw_conn_state->gui_y = du->gui_y;
1779 }
1780
1781 ret = vmw_kms_check_display_memory(dev, dev->mode_config.num_crtc,
1782 rects);
1783
1784clean:
1785 kfree(rects);
1786 return ret;
1787}
1788
1789/**
1790 * vmw_kms_atomic_check_modeset- validate state object for modeset changes
1791 *
1792 * @dev: DRM device
1793 * @state: the driver state object
1794 *
1795 * This is a simple wrapper around drm_atomic_helper_check_modeset() for
1796 * us to assign a value to mode->crtc_clock so that
1797 * drm_calc_timestamping_constants() won't throw an error message
1798 *
1799 * Returns:
1800 * Zero for success or -errno
1801 */
1802static int
1803vmw_kms_atomic_check_modeset(struct drm_device *dev,
1804 struct drm_atomic_state *state)
1805{
1806 struct drm_crtc *crtc;
1807 struct drm_crtc_state *crtc_state;
1808 bool need_modeset = false;
1809 int i, ret;
1810
1811 ret = drm_atomic_helper_check(dev, state);
1812 if (ret)
1813 return ret;
1814
1815 ret = vmw_kms_check_implicit(dev, state);
1816 if (ret) {
1817 VMW_DEBUG_KMS("Invalid implicit state\n");
1818 return ret;
1819 }
1820
1821 for_each_new_crtc_in_state(state, crtc, crtc_state, i) {
1822 if (drm_atomic_crtc_needs_modeset(crtc_state))
1823 need_modeset = true;
1824 }
1825
1826 if (need_modeset)
1827 return vmw_kms_check_topology(dev, state);
1828
1829 return ret;
1830}
1831
1832static const struct drm_mode_config_funcs vmw_kms_funcs = {
1833 .fb_create = vmw_kms_fb_create,
1834 .atomic_check = vmw_kms_atomic_check_modeset,
1835 .atomic_commit = drm_atomic_helper_commit,
1836};
1837
1838static int vmw_kms_generic_present(struct vmw_private *dev_priv,
1839 struct drm_file *file_priv,
1840 struct vmw_framebuffer *vfb,
1841 struct vmw_surface *surface,
1842 uint32_t sid,
1843 int32_t destX, int32_t destY,
1844 struct drm_vmw_rect *clips,
1845 uint32_t num_clips)
1846{
1847 return vmw_kms_sou_do_surface_dirty(dev_priv, vfb, NULL, clips,
1848 &surface->res, destX, destY,
1849 num_clips, 1, NULL, NULL);
1850}
1851
1852
1853int vmw_kms_present(struct vmw_private *dev_priv,
1854 struct drm_file *file_priv,
1855 struct vmw_framebuffer *vfb,
1856 struct vmw_surface *surface,
1857 uint32_t sid,
1858 int32_t destX, int32_t destY,
1859 struct drm_vmw_rect *clips,
1860 uint32_t num_clips)
1861{
1862 int ret;
1863
1864 switch (dev_priv->active_display_unit) {
1865 case vmw_du_screen_target:
1866 ret = vmw_kms_stdu_surface_dirty(dev_priv, vfb, NULL, clips,
1867 &surface->res, destX, destY,
1868 num_clips, 1, NULL, NULL);
1869 break;
1870 case vmw_du_screen_object:
1871 ret = vmw_kms_generic_present(dev_priv, file_priv, vfb, surface,
1872 sid, destX, destY, clips,
1873 num_clips);
1874 break;
1875 default:
1876 WARN_ONCE(true,
1877 "Present called with invalid display system.\n");
1878 ret = -ENOSYS;
1879 break;
1880 }
1881 if (ret)
1882 return ret;
1883
1884 vmw_cmd_flush(dev_priv, false);
1885
1886 return 0;
1887}
1888
1889static void
1890vmw_kms_create_hotplug_mode_update_property(struct vmw_private *dev_priv)
1891{
1892 if (dev_priv->hotplug_mode_update_property)
1893 return;
1894
1895 dev_priv->hotplug_mode_update_property =
1896 drm_property_create_range(&dev_priv->drm,
1897 DRM_MODE_PROP_IMMUTABLE,
1898 "hotplug_mode_update", 0, 1);
1899}
1900
1901static void
1902vmw_atomic_commit_tail(struct drm_atomic_state *old_state)
1903{
1904 struct vmw_private *vmw = vmw_priv(old_state->dev);
1905 struct drm_crtc *crtc;
1906 struct drm_crtc_state *old_crtc_state;
1907 int i;
1908
1909 drm_atomic_helper_commit_tail(old_state);
1910
1911 if (vmw->vkms_enabled) {
1912 for_each_old_crtc_in_state(old_state, crtc, old_crtc_state, i) {
1913 struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
1914 (void)old_crtc_state;
1915 flush_work(&du->vkms.crc_generator_work);
1916 }
1917 }
1918}
1919
1920static const struct drm_mode_config_helper_funcs vmw_mode_config_helpers = {
1921 .atomic_commit_tail = vmw_atomic_commit_tail,
1922};
1923
1924int vmw_kms_init(struct vmw_private *dev_priv)
1925{
1926 struct drm_device *dev = &dev_priv->drm;
1927 int ret;
1928 static const char *display_unit_names[] = {
1929 "Invalid",
1930 "Legacy",
1931 "Screen Object",
1932 "Screen Target",
1933 "Invalid (max)"
1934 };
1935
1936 drm_mode_config_init(dev);
1937 dev->mode_config.funcs = &vmw_kms_funcs;
1938 dev->mode_config.min_width = 1;
1939 dev->mode_config.min_height = 1;
1940 dev->mode_config.max_width = dev_priv->texture_max_width;
1941 dev->mode_config.max_height = dev_priv->texture_max_height;
1942 dev->mode_config.preferred_depth = dev_priv->assume_16bpp ? 16 : 32;
1943 dev->mode_config.helper_private = &vmw_mode_config_helpers;
1944
1945 drm_mode_create_suggested_offset_properties(dev);
1946 vmw_kms_create_hotplug_mode_update_property(dev_priv);
1947
1948 ret = vmw_kms_stdu_init_display(dev_priv);
1949 if (ret) {
1950 ret = vmw_kms_sou_init_display(dev_priv);
1951 if (ret) /* Fallback */
1952 ret = vmw_kms_ldu_init_display(dev_priv);
1953 }
1954 BUILD_BUG_ON(ARRAY_SIZE(display_unit_names) != (vmw_du_max + 1));
1955 drm_info(&dev_priv->drm, "%s display unit initialized\n",
1956 display_unit_names[dev_priv->active_display_unit]);
1957
1958 return ret;
1959}
1960
1961int vmw_kms_close(struct vmw_private *dev_priv)
1962{
1963 int ret = 0;
1964
1965 /*
1966 * Docs says we should take the lock before calling this function
1967 * but since it destroys encoders and our destructor calls
1968 * drm_encoder_cleanup which takes the lock we deadlock.
1969 */
1970 drm_mode_config_cleanup(&dev_priv->drm);
1971 if (dev_priv->active_display_unit == vmw_du_legacy)
1972 ret = vmw_kms_ldu_close_display(dev_priv);
1973
1974 return ret;
1975}
1976
1977int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
1978 struct drm_file *file_priv)
1979{
1980 struct drm_vmw_cursor_bypass_arg *arg = data;
1981 struct vmw_display_unit *du;
1982 struct drm_crtc *crtc;
1983 int ret = 0;
1984
1985 mutex_lock(&dev->mode_config.mutex);
1986 if (arg->flags & DRM_VMW_CURSOR_BYPASS_ALL) {
1987
1988 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
1989 du = vmw_crtc_to_du(crtc);
1990 du->hotspot_x = arg->xhot;
1991 du->hotspot_y = arg->yhot;
1992 }
1993
1994 mutex_unlock(&dev->mode_config.mutex);
1995 return 0;
1996 }
1997
1998 crtc = drm_crtc_find(dev, file_priv, arg->crtc_id);
1999 if (!crtc) {
2000 ret = -ENOENT;
2001 goto out;
2002 }
2003
2004 du = vmw_crtc_to_du(crtc);
2005
2006 du->hotspot_x = arg->xhot;
2007 du->hotspot_y = arg->yhot;
2008
2009out:
2010 mutex_unlock(&dev->mode_config.mutex);
2011
2012 return ret;
2013}
2014
2015int vmw_kms_write_svga(struct vmw_private *vmw_priv,
2016 unsigned width, unsigned height, unsigned pitch,
2017 unsigned bpp, unsigned depth)
2018{
2019 if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK)
2020 vmw_write(vmw_priv, SVGA_REG_PITCHLOCK, pitch);
2021 else if (vmw_fifo_have_pitchlock(vmw_priv))
2022 vmw_fifo_mem_write(vmw_priv, SVGA_FIFO_PITCHLOCK, pitch);
2023 vmw_write(vmw_priv, SVGA_REG_WIDTH, width);
2024 vmw_write(vmw_priv, SVGA_REG_HEIGHT, height);
2025 if ((vmw_priv->capabilities & SVGA_CAP_8BIT_EMULATION) != 0)
2026 vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, bpp);
2027
2028 if (vmw_read(vmw_priv, SVGA_REG_DEPTH) != depth) {
2029 DRM_ERROR("Invalid depth %u for %u bpp, host expects %u\n",
2030 depth, bpp, vmw_read(vmw_priv, SVGA_REG_DEPTH));
2031 return -EINVAL;
2032 }
2033
2034 return 0;
2035}
2036
2037static
2038bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
2039 u64 pitch,
2040 u64 height)
2041{
2042 return (pitch * height) < (u64)dev_priv->vram_size;
2043}
2044
2045/**
2046 * vmw_du_update_layout - Update the display unit with topology from resolution
2047 * plugin and generate DRM uevent
2048 * @dev_priv: device private
2049 * @num_rects: number of drm_rect in rects
2050 * @rects: toplogy to update
2051 */
2052static int vmw_du_update_layout(struct vmw_private *dev_priv,
2053 unsigned int num_rects, struct drm_rect *rects)
2054{
2055 struct drm_device *dev = &dev_priv->drm;
2056 struct vmw_display_unit *du;
2057 struct drm_connector *con;
2058 struct drm_connector_list_iter conn_iter;
2059 struct drm_modeset_acquire_ctx ctx;
2060 struct drm_crtc *crtc;
2061 int ret;
2062
2063 /* Currently gui_x/y is protected with the crtc mutex */
2064 mutex_lock(&dev->mode_config.mutex);
2065 drm_modeset_acquire_init(&ctx, 0);
2066retry:
2067 drm_for_each_crtc(crtc, dev) {
2068 ret = drm_modeset_lock(&crtc->mutex, &ctx);
2069 if (ret < 0) {
2070 if (ret == -EDEADLK) {
2071 drm_modeset_backoff(&ctx);
2072 goto retry;
2073 }
2074 goto out_fini;
2075 }
2076 }
2077
2078 drm_connector_list_iter_begin(dev, &conn_iter);
2079 drm_for_each_connector_iter(con, &conn_iter) {
2080 du = vmw_connector_to_du(con);
2081 if (num_rects > du->unit) {
2082 du->pref_width = drm_rect_width(&rects[du->unit]);
2083 du->pref_height = drm_rect_height(&rects[du->unit]);
2084 du->pref_active = true;
2085 du->gui_x = rects[du->unit].x1;
2086 du->gui_y = rects[du->unit].y1;
2087 } else {
2088 du->pref_width = VMWGFX_MIN_INITIAL_WIDTH;
2089 du->pref_height = VMWGFX_MIN_INITIAL_HEIGHT;
2090 du->pref_active = false;
2091 du->gui_x = 0;
2092 du->gui_y = 0;
2093 }
2094 }
2095 drm_connector_list_iter_end(&conn_iter);
2096
2097 list_for_each_entry(con, &dev->mode_config.connector_list, head) {
2098 du = vmw_connector_to_du(con);
2099 if (num_rects > du->unit) {
2100 drm_object_property_set_value
2101 (&con->base, dev->mode_config.suggested_x_property,
2102 du->gui_x);
2103 drm_object_property_set_value
2104 (&con->base, dev->mode_config.suggested_y_property,
2105 du->gui_y);
2106 } else {
2107 drm_object_property_set_value
2108 (&con->base, dev->mode_config.suggested_x_property,
2109 0);
2110 drm_object_property_set_value
2111 (&con->base, dev->mode_config.suggested_y_property,
2112 0);
2113 }
2114 con->status = vmw_du_connector_detect(con, true);
2115 }
2116out_fini:
2117 drm_modeset_drop_locks(&ctx);
2118 drm_modeset_acquire_fini(&ctx);
2119 mutex_unlock(&dev->mode_config.mutex);
2120
2121 drm_sysfs_hotplug_event(dev);
2122
2123 return 0;
2124}
2125
2126int vmw_du_crtc_gamma_set(struct drm_crtc *crtc,
2127 u16 *r, u16 *g, u16 *b,
2128 uint32_t size,
2129 struct drm_modeset_acquire_ctx *ctx)
2130{
2131 struct vmw_private *dev_priv = vmw_priv(crtc->dev);
2132 int i;
2133
2134 for (i = 0; i < size; i++) {
2135 DRM_DEBUG("%d r/g/b = 0x%04x / 0x%04x / 0x%04x\n", i,
2136 r[i], g[i], b[i]);
2137 vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 0, r[i] >> 8);
2138 vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 1, g[i] >> 8);
2139 vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 2, b[i] >> 8);
2140 }
2141
2142 return 0;
2143}
2144
2145int vmw_du_connector_dpms(struct drm_connector *connector, int mode)
2146{
2147 return 0;
2148}
2149
2150enum drm_connector_status
2151vmw_du_connector_detect(struct drm_connector *connector, bool force)
2152{
2153 uint32_t num_displays;
2154 struct drm_device *dev = connector->dev;
2155 struct vmw_private *dev_priv = vmw_priv(dev);
2156 struct vmw_display_unit *du = vmw_connector_to_du(connector);
2157
2158 num_displays = vmw_read(dev_priv, SVGA_REG_NUM_DISPLAYS);
2159
2160 return ((vmw_connector_to_du(connector)->unit < num_displays &&
2161 du->pref_active) ?
2162 connector_status_connected : connector_status_disconnected);
2163}
2164
2165/**
2166 * vmw_guess_mode_timing - Provide fake timings for a
2167 * 60Hz vrefresh mode.
2168 *
2169 * @mode: Pointer to a struct drm_display_mode with hdisplay and vdisplay
2170 * members filled in.
2171 */
2172void vmw_guess_mode_timing(struct drm_display_mode *mode)
2173{
2174 mode->hsync_start = mode->hdisplay + 50;
2175 mode->hsync_end = mode->hsync_start + 50;
2176 mode->htotal = mode->hsync_end + 50;
2177
2178 mode->vsync_start = mode->vdisplay + 50;
2179 mode->vsync_end = mode->vsync_start + 50;
2180 mode->vtotal = mode->vsync_end + 50;
2181
2182 mode->clock = (u32)mode->htotal * (u32)mode->vtotal / 100 * 6;
2183}
2184
2185
2186/**
2187 * vmw_kms_update_layout_ioctl - Handler for DRM_VMW_UPDATE_LAYOUT ioctl
2188 * @dev: drm device for the ioctl
2189 * @data: data pointer for the ioctl
2190 * @file_priv: drm file for the ioctl call
2191 *
2192 * Update preferred topology of display unit as per ioctl request. The topology
2193 * is expressed as array of drm_vmw_rect.
2194 * e.g.
2195 * [0 0 640 480] [640 0 800 600] [0 480 640 480]
2196 *
2197 * NOTE:
2198 * The x and y offset (upper left) in drm_vmw_rect cannot be less than 0. Beside
2199 * device limit on topology, x + w and y + h (lower right) cannot be greater
2200 * than INT_MAX. So topology beyond these limits will return with error.
2201 *
2202 * Returns:
2203 * Zero on success, negative errno on failure.
2204 */
2205int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
2206 struct drm_file *file_priv)
2207{
2208 struct vmw_private *dev_priv = vmw_priv(dev);
2209 struct drm_mode_config *mode_config = &dev->mode_config;
2210 struct drm_vmw_update_layout_arg *arg =
2211 (struct drm_vmw_update_layout_arg *)data;
2212 const void __user *user_rects;
2213 struct drm_vmw_rect *rects;
2214 struct drm_rect *drm_rects;
2215 unsigned rects_size;
2216 int ret, i;
2217
2218 if (!arg->num_outputs) {
2219 struct drm_rect def_rect = {0, 0,
2220 VMWGFX_MIN_INITIAL_WIDTH,
2221 VMWGFX_MIN_INITIAL_HEIGHT};
2222 vmw_du_update_layout(dev_priv, 1, &def_rect);
2223 return 0;
2224 } else if (arg->num_outputs > VMWGFX_NUM_DISPLAY_UNITS) {
2225 return -E2BIG;
2226 }
2227
2228 rects_size = arg->num_outputs * sizeof(struct drm_vmw_rect);
2229 rects = kcalloc(arg->num_outputs, sizeof(struct drm_vmw_rect),
2230 GFP_KERNEL);
2231 if (unlikely(!rects))
2232 return -ENOMEM;
2233
2234 user_rects = (void __user *)(unsigned long)arg->rects;
2235 ret = copy_from_user(rects, user_rects, rects_size);
2236 if (unlikely(ret != 0)) {
2237 DRM_ERROR("Failed to get rects.\n");
2238 ret = -EFAULT;
2239 goto out_free;
2240 }
2241
2242 drm_rects = (struct drm_rect *)rects;
2243
2244 VMW_DEBUG_KMS("Layout count = %u\n", arg->num_outputs);
2245 for (i = 0; i < arg->num_outputs; i++) {
2246 struct drm_vmw_rect curr_rect;
2247
2248 /* Verify user-space for overflow as kernel use drm_rect */
2249 if ((rects[i].x + rects[i].w > INT_MAX) ||
2250 (rects[i].y + rects[i].h > INT_MAX)) {
2251 ret = -ERANGE;
2252 goto out_free;
2253 }
2254
2255 curr_rect = rects[i];
2256 drm_rects[i].x1 = curr_rect.x;
2257 drm_rects[i].y1 = curr_rect.y;
2258 drm_rects[i].x2 = curr_rect.x + curr_rect.w;
2259 drm_rects[i].y2 = curr_rect.y + curr_rect.h;
2260
2261 VMW_DEBUG_KMS(" x1 = %d y1 = %d x2 = %d y2 = %d\n",
2262 drm_rects[i].x1, drm_rects[i].y1,
2263 drm_rects[i].x2, drm_rects[i].y2);
2264
2265 /*
2266 * Currently this check is limiting the topology within
2267 * mode_config->max (which actually is max texture size
2268 * supported by virtual device). This limit is here to address
2269 * window managers that create a big framebuffer for whole
2270 * topology.
2271 */
2272 if (drm_rects[i].x1 < 0 || drm_rects[i].y1 < 0 ||
2273 drm_rects[i].x2 > mode_config->max_width ||
2274 drm_rects[i].y2 > mode_config->max_height) {
2275 VMW_DEBUG_KMS("Invalid layout %d %d %d %d\n",
2276 drm_rects[i].x1, drm_rects[i].y1,
2277 drm_rects[i].x2, drm_rects[i].y2);
2278 ret = -EINVAL;
2279 goto out_free;
2280 }
2281 }
2282
2283 ret = vmw_kms_check_display_memory(dev, arg->num_outputs, drm_rects);
2284
2285 if (ret == 0)
2286 vmw_du_update_layout(dev_priv, arg->num_outputs, drm_rects);
2287
2288out_free:
2289 kfree(rects);
2290 return ret;
2291}
2292
2293/**
2294 * vmw_kms_helper_dirty - Helper to build commands and perform actions based
2295 * on a set of cliprects and a set of display units.
2296 *
2297 * @dev_priv: Pointer to a device private structure.
2298 * @framebuffer: Pointer to the framebuffer on which to perform the actions.
2299 * @clips: A set of struct drm_clip_rect. Either this os @vclips must be NULL.
2300 * Cliprects are given in framebuffer coordinates.
2301 * @vclips: A set of struct drm_vmw_rect cliprects. Either this or @clips must
2302 * be NULL. Cliprects are given in source coordinates.
2303 * @dest_x: X coordinate offset for the crtc / destination clip rects.
2304 * @dest_y: Y coordinate offset for the crtc / destination clip rects.
2305 * @num_clips: Number of cliprects in the @clips or @vclips array.
2306 * @increment: Integer with which to increment the clip counter when looping.
2307 * Used to skip a predetermined number of clip rects.
2308 * @dirty: Closure structure. See the description of struct vmw_kms_dirty.
2309 */
2310int vmw_kms_helper_dirty(struct vmw_private *dev_priv,
2311 struct vmw_framebuffer *framebuffer,
2312 const struct drm_clip_rect *clips,
2313 const struct drm_vmw_rect *vclips,
2314 s32 dest_x, s32 dest_y,
2315 int num_clips,
2316 int increment,
2317 struct vmw_kms_dirty *dirty)
2318{
2319 struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
2320 struct drm_crtc *crtc;
2321 u32 num_units = 0;
2322 u32 i, k;
2323
2324 dirty->dev_priv = dev_priv;
2325
2326 /* If crtc is passed, no need to iterate over other display units */
2327 if (dirty->crtc) {
2328 units[num_units++] = vmw_crtc_to_du(dirty->crtc);
2329 } else {
2330 list_for_each_entry(crtc, &dev_priv->drm.mode_config.crtc_list,
2331 head) {
2332 struct drm_plane *plane = crtc->primary;
2333
2334 if (plane->state->fb == &framebuffer->base)
2335 units[num_units++] = vmw_crtc_to_du(crtc);
2336 }
2337 }
2338
2339 for (k = 0; k < num_units; k++) {
2340 struct vmw_display_unit *unit = units[k];
2341 s32 crtc_x = unit->crtc.x;
2342 s32 crtc_y = unit->crtc.y;
2343 s32 crtc_width = unit->crtc.mode.hdisplay;
2344 s32 crtc_height = unit->crtc.mode.vdisplay;
2345 const struct drm_clip_rect *clips_ptr = clips;
2346 const struct drm_vmw_rect *vclips_ptr = vclips;
2347
2348 dirty->unit = unit;
2349 if (dirty->fifo_reserve_size > 0) {
2350 dirty->cmd = VMW_CMD_RESERVE(dev_priv,
2351 dirty->fifo_reserve_size);
2352 if (!dirty->cmd)
2353 return -ENOMEM;
2354
2355 memset(dirty->cmd, 0, dirty->fifo_reserve_size);
2356 }
2357 dirty->num_hits = 0;
2358 for (i = 0; i < num_clips; i++, clips_ptr += increment,
2359 vclips_ptr += increment) {
2360 s32 clip_left;
2361 s32 clip_top;
2362
2363 /*
2364 * Select clip array type. Note that integer type
2365 * in @clips is unsigned short, whereas in @vclips
2366 * it's 32-bit.
2367 */
2368 if (clips) {
2369 dirty->fb_x = (s32) clips_ptr->x1;
2370 dirty->fb_y = (s32) clips_ptr->y1;
2371 dirty->unit_x2 = (s32) clips_ptr->x2 + dest_x -
2372 crtc_x;
2373 dirty->unit_y2 = (s32) clips_ptr->y2 + dest_y -
2374 crtc_y;
2375 } else {
2376 dirty->fb_x = vclips_ptr->x;
2377 dirty->fb_y = vclips_ptr->y;
2378 dirty->unit_x2 = dirty->fb_x + vclips_ptr->w +
2379 dest_x - crtc_x;
2380 dirty->unit_y2 = dirty->fb_y + vclips_ptr->h +
2381 dest_y - crtc_y;
2382 }
2383
2384 dirty->unit_x1 = dirty->fb_x + dest_x - crtc_x;
2385 dirty->unit_y1 = dirty->fb_y + dest_y - crtc_y;
2386
2387 /* Skip this clip if it's outside the crtc region */
2388 if (dirty->unit_x1 >= crtc_width ||
2389 dirty->unit_y1 >= crtc_height ||
2390 dirty->unit_x2 <= 0 || dirty->unit_y2 <= 0)
2391 continue;
2392
2393 /* Clip right and bottom to crtc limits */
2394 dirty->unit_x2 = min_t(s32, dirty->unit_x2,
2395 crtc_width);
2396 dirty->unit_y2 = min_t(s32, dirty->unit_y2,
2397 crtc_height);
2398
2399 /* Clip left and top to crtc limits */
2400 clip_left = min_t(s32, dirty->unit_x1, 0);
2401 clip_top = min_t(s32, dirty->unit_y1, 0);
2402 dirty->unit_x1 -= clip_left;
2403 dirty->unit_y1 -= clip_top;
2404 dirty->fb_x -= clip_left;
2405 dirty->fb_y -= clip_top;
2406
2407 dirty->clip(dirty);
2408 }
2409
2410 dirty->fifo_commit(dirty);
2411 }
2412
2413 return 0;
2414}
2415
2416/**
2417 * vmw_kms_helper_validation_finish - Helper for post KMS command submission
2418 * cleanup and fencing
2419 * @dev_priv: Pointer to the device-private struct
2420 * @file_priv: Pointer identifying the client when user-space fencing is used
2421 * @ctx: Pointer to the validation context
2422 * @out_fence: If non-NULL, returned refcounted fence-pointer
2423 * @user_fence_rep: If non-NULL, pointer to user-space address area
2424 * in which to copy user-space fence info
2425 */
2426void vmw_kms_helper_validation_finish(struct vmw_private *dev_priv,
2427 struct drm_file *file_priv,
2428 struct vmw_validation_context *ctx,
2429 struct vmw_fence_obj **out_fence,
2430 struct drm_vmw_fence_rep __user *
2431 user_fence_rep)
2432{
2433 struct vmw_fence_obj *fence = NULL;
2434 uint32_t handle = 0;
2435 int ret = 0;
2436
2437 if (file_priv || user_fence_rep || vmw_validation_has_bos(ctx) ||
2438 out_fence)
2439 ret = vmw_execbuf_fence_commands(file_priv, dev_priv, &fence,
2440 file_priv ? &handle : NULL);
2441 vmw_validation_done(ctx, fence);
2442 if (file_priv)
2443 vmw_execbuf_copy_fence_user(dev_priv, vmw_fpriv(file_priv),
2444 ret, user_fence_rep, fence,
2445 handle, -1);
2446 if (out_fence)
2447 *out_fence = fence;
2448 else
2449 vmw_fence_obj_unreference(&fence);
2450}
2451
2452/**
2453 * vmw_kms_create_implicit_placement_property - Set up the implicit placement
2454 * property.
2455 *
2456 * @dev_priv: Pointer to a device private struct.
2457 *
2458 * Sets up the implicit placement property unless it's already set up.
2459 */
2460void
2461vmw_kms_create_implicit_placement_property(struct vmw_private *dev_priv)
2462{
2463 if (dev_priv->implicit_placement_property)
2464 return;
2465
2466 dev_priv->implicit_placement_property =
2467 drm_property_create_range(&dev_priv->drm,
2468 DRM_MODE_PROP_IMMUTABLE,
2469 "implicit_placement", 0, 1);
2470}
2471
2472/**
2473 * vmw_kms_suspend - Save modesetting state and turn modesetting off.
2474 *
2475 * @dev: Pointer to the drm device
2476 * Return: 0 on success. Negative error code on failure.
2477 */
2478int vmw_kms_suspend(struct drm_device *dev)
2479{
2480 struct vmw_private *dev_priv = vmw_priv(dev);
2481
2482 dev_priv->suspend_state = drm_atomic_helper_suspend(dev);
2483 if (IS_ERR(dev_priv->suspend_state)) {
2484 int ret = PTR_ERR(dev_priv->suspend_state);
2485
2486 DRM_ERROR("Failed kms suspend: %d\n", ret);
2487 dev_priv->suspend_state = NULL;
2488
2489 return ret;
2490 }
2491
2492 return 0;
2493}
2494
2495
2496/**
2497 * vmw_kms_resume - Re-enable modesetting and restore state
2498 *
2499 * @dev: Pointer to the drm device
2500 * Return: 0 on success. Negative error code on failure.
2501 *
2502 * State is resumed from a previous vmw_kms_suspend(). It's illegal
2503 * to call this function without a previous vmw_kms_suspend().
2504 */
2505int vmw_kms_resume(struct drm_device *dev)
2506{
2507 struct vmw_private *dev_priv = vmw_priv(dev);
2508 int ret;
2509
2510 if (WARN_ON(!dev_priv->suspend_state))
2511 return 0;
2512
2513 ret = drm_atomic_helper_resume(dev, dev_priv->suspend_state);
2514 dev_priv->suspend_state = NULL;
2515
2516 return ret;
2517}
2518
2519/**
2520 * vmw_kms_lost_device - Notify kms that modesetting capabilities will be lost
2521 *
2522 * @dev: Pointer to the drm device
2523 */
2524void vmw_kms_lost_device(struct drm_device *dev)
2525{
2526 drm_atomic_helper_shutdown(dev);
2527}
2528
2529/**
2530 * vmw_du_helper_plane_update - Helper to do plane update on a display unit.
2531 * @update: The closure structure.
2532 *
2533 * Call this helper after setting callbacks in &vmw_du_update_plane to do plane
2534 * update on display unit.
2535 *
2536 * Return: 0 on success or a negative error code on failure.
2537 */
2538int vmw_du_helper_plane_update(struct vmw_du_update_plane *update)
2539{
2540 struct drm_plane_state *state = update->plane->state;
2541 struct drm_plane_state *old_state = update->old_state;
2542 struct drm_atomic_helper_damage_iter iter;
2543 struct drm_rect clip;
2544 struct drm_rect bb;
2545 DECLARE_VAL_CONTEXT(val_ctx, NULL, 0);
2546 uint32_t reserved_size = 0;
2547 uint32_t submit_size = 0;
2548 uint32_t curr_size = 0;
2549 uint32_t num_hits = 0;
2550 void *cmd_start;
2551 char *cmd_next;
2552 int ret;
2553
2554 /*
2555 * Iterate in advance to check if really need plane update and find the
2556 * number of clips that actually are in plane src for fifo allocation.
2557 */
2558 drm_atomic_helper_damage_iter_init(&iter, old_state, state);
2559 drm_atomic_for_each_plane_damage(&iter, &clip)
2560 num_hits++;
2561
2562 if (num_hits == 0)
2563 return 0;
2564
2565 if (update->vfb->bo) {
2566 struct vmw_framebuffer_bo *vfbbo =
2567 container_of(update->vfb, typeof(*vfbbo), base);
2568
2569 /*
2570 * For screen targets we want a mappable bo, for everything else we want
2571 * accelerated i.e. host backed (vram or gmr) bo. If the display unit
2572 * is not screen target then mob's shouldn't be available.
2573 */
2574 if (update->dev_priv->active_display_unit == vmw_du_screen_target) {
2575 vmw_bo_placement_set(vfbbo->buffer,
2576 VMW_BO_DOMAIN_SYS | VMW_BO_DOMAIN_MOB | VMW_BO_DOMAIN_GMR,
2577 VMW_BO_DOMAIN_SYS | VMW_BO_DOMAIN_MOB | VMW_BO_DOMAIN_GMR);
2578 } else {
2579 WARN_ON(update->dev_priv->has_mob);
2580 vmw_bo_placement_set_default_accelerated(vfbbo->buffer);
2581 }
2582 ret = vmw_validation_add_bo(&val_ctx, vfbbo->buffer);
2583 } else {
2584 struct vmw_framebuffer_surface *vfbs =
2585 container_of(update->vfb, typeof(*vfbs), base);
2586 struct vmw_surface *surf = vmw_user_object_surface(&vfbs->uo);
2587
2588 ret = vmw_validation_add_resource(&val_ctx, &surf->res,
2589 0, VMW_RES_DIRTY_NONE, NULL,
2590 NULL);
2591 }
2592
2593 if (ret)
2594 return ret;
2595
2596 ret = vmw_validation_prepare(&val_ctx, update->mutex, update->intr);
2597 if (ret)
2598 goto out_unref;
2599
2600 reserved_size = update->calc_fifo_size(update, num_hits);
2601 cmd_start = VMW_CMD_RESERVE(update->dev_priv, reserved_size);
2602 if (!cmd_start) {
2603 ret = -ENOMEM;
2604 goto out_revert;
2605 }
2606
2607 cmd_next = cmd_start;
2608
2609 if (update->post_prepare) {
2610 curr_size = update->post_prepare(update, cmd_next);
2611 cmd_next += curr_size;
2612 submit_size += curr_size;
2613 }
2614
2615 if (update->pre_clip) {
2616 curr_size = update->pre_clip(update, cmd_next, num_hits);
2617 cmd_next += curr_size;
2618 submit_size += curr_size;
2619 }
2620
2621 bb.x1 = INT_MAX;
2622 bb.y1 = INT_MAX;
2623 bb.x2 = INT_MIN;
2624 bb.y2 = INT_MIN;
2625
2626 drm_atomic_helper_damage_iter_init(&iter, old_state, state);
2627 drm_atomic_for_each_plane_damage(&iter, &clip) {
2628 uint32_t fb_x = clip.x1;
2629 uint32_t fb_y = clip.y1;
2630
2631 vmw_du_translate_to_crtc(state, &clip);
2632 if (update->clip) {
2633 curr_size = update->clip(update, cmd_next, &clip, fb_x,
2634 fb_y);
2635 cmd_next += curr_size;
2636 submit_size += curr_size;
2637 }
2638 bb.x1 = min_t(int, bb.x1, clip.x1);
2639 bb.y1 = min_t(int, bb.y1, clip.y1);
2640 bb.x2 = max_t(int, bb.x2, clip.x2);
2641 bb.y2 = max_t(int, bb.y2, clip.y2);
2642 }
2643
2644 curr_size = update->post_clip(update, cmd_next, &bb);
2645 submit_size += curr_size;
2646
2647 if (reserved_size < submit_size)
2648 submit_size = 0;
2649
2650 vmw_cmd_commit(update->dev_priv, submit_size);
2651
2652 vmw_kms_helper_validation_finish(update->dev_priv, NULL, &val_ctx,
2653 update->out_fence, NULL);
2654 return ret;
2655
2656out_revert:
2657 vmw_validation_revert(&val_ctx);
2658
2659out_unref:
2660 vmw_validation_unref_lists(&val_ctx);
2661 return ret;
2662}
2663
2664/**
2665 * vmw_connector_mode_valid - implements drm_connector_helper_funcs.mode_valid callback
2666 *
2667 * @connector: the drm connector, part of a DU container
2668 * @mode: drm mode to check
2669 *
2670 * Returns MODE_OK on success, or a drm_mode_status error code.
2671 */
2672enum drm_mode_status vmw_connector_mode_valid(struct drm_connector *connector,
2673 struct drm_display_mode *mode)
2674{
2675 enum drm_mode_status ret;
2676 struct drm_device *dev = connector->dev;
2677 struct vmw_private *dev_priv = vmw_priv(dev);
2678 u32 assumed_cpp = 4;
2679
2680 if (dev_priv->assume_16bpp)
2681 assumed_cpp = 2;
2682
2683 ret = drm_mode_validate_size(mode, dev_priv->texture_max_width,
2684 dev_priv->texture_max_height);
2685 if (ret != MODE_OK)
2686 return ret;
2687
2688 if (!vmw_kms_validate_mode_vram(dev_priv,
2689 mode->hdisplay * assumed_cpp,
2690 mode->vdisplay))
2691 return MODE_MEM;
2692
2693 return MODE_OK;
2694}
2695
2696/**
2697 * vmw_connector_get_modes - implements drm_connector_helper_funcs.get_modes callback
2698 *
2699 * @connector: the drm connector, part of a DU container
2700 *
2701 * Returns the number of added modes.
2702 */
2703int vmw_connector_get_modes(struct drm_connector *connector)
2704{
2705 struct vmw_display_unit *du = vmw_connector_to_du(connector);
2706 struct drm_device *dev = connector->dev;
2707 struct vmw_private *dev_priv = vmw_priv(dev);
2708 struct drm_display_mode *mode = NULL;
2709 struct drm_display_mode prefmode = { DRM_MODE("preferred",
2710 DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED,
2711 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
2712 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)
2713 };
2714 u32 max_width;
2715 u32 max_height;
2716 u32 num_modes;
2717
2718 /* Add preferred mode */
2719 mode = drm_mode_duplicate(dev, &prefmode);
2720 if (!mode)
2721 return 0;
2722
2723 mode->hdisplay = du->pref_width;
2724 mode->vdisplay = du->pref_height;
2725 vmw_guess_mode_timing(mode);
2726 drm_mode_set_name(mode);
2727
2728 drm_mode_probed_add(connector, mode);
2729 drm_dbg_kms(dev, "preferred mode " DRM_MODE_FMT "\n", DRM_MODE_ARG(mode));
2730
2731 /* Probe connector for all modes not exceeding our geom limits */
2732 max_width = dev_priv->texture_max_width;
2733 max_height = dev_priv->texture_max_height;
2734
2735 if (dev_priv->active_display_unit == vmw_du_screen_target) {
2736 max_width = min(dev_priv->stdu_max_width, max_width);
2737 max_height = min(dev_priv->stdu_max_height, max_height);
2738 }
2739
2740 num_modes = 1 + drm_add_modes_noedid(connector, max_width, max_height);
2741
2742 return num_modes;
2743}
2744
2745struct vmw_user_object *vmw_user_object_ref(struct vmw_user_object *uo)
2746{
2747 if (uo->buffer)
2748 vmw_user_bo_ref(uo->buffer);
2749 else if (uo->surface)
2750 vmw_surface_reference(uo->surface);
2751 return uo;
2752}
2753
2754void vmw_user_object_unref(struct vmw_user_object *uo)
2755{
2756 if (uo->buffer)
2757 vmw_user_bo_unref(&uo->buffer);
2758 else if (uo->surface)
2759 vmw_surface_unreference(&uo->surface);
2760}
2761
2762struct vmw_bo *
2763vmw_user_object_buffer(struct vmw_user_object *uo)
2764{
2765 if (uo->buffer)
2766 return uo->buffer;
2767 else if (uo->surface)
2768 return uo->surface->res.guest_memory_bo;
2769 return NULL;
2770}
2771
2772struct vmw_surface *
2773vmw_user_object_surface(struct vmw_user_object *uo)
2774{
2775 if (uo->buffer)
2776 return uo->buffer->dumb_surface;
2777 return uo->surface;
2778}
2779
2780void *vmw_user_object_map(struct vmw_user_object *uo)
2781{
2782 struct vmw_bo *bo = vmw_user_object_buffer(uo);
2783
2784 WARN_ON(!bo);
2785 return vmw_bo_map_and_cache(bo);
2786}
2787
2788void *vmw_user_object_map_size(struct vmw_user_object *uo, size_t size)
2789{
2790 struct vmw_bo *bo = vmw_user_object_buffer(uo);
2791
2792 WARN_ON(!bo);
2793 return vmw_bo_map_and_cache_size(bo, size);
2794}
2795
2796void vmw_user_object_unmap(struct vmw_user_object *uo)
2797{
2798 struct vmw_bo *bo = vmw_user_object_buffer(uo);
2799 int ret;
2800
2801 WARN_ON(!bo);
2802
2803 /* Fence the mob creation so we are guarateed to have the mob */
2804 ret = ttm_bo_reserve(&bo->tbo, false, false, NULL);
2805 if (ret != 0)
2806 return;
2807
2808 vmw_bo_unmap(bo);
2809 vmw_bo_pin_reserved(bo, false);
2810
2811 ttm_bo_unreserve(&bo->tbo);
2812}
2813
2814bool vmw_user_object_is_mapped(struct vmw_user_object *uo)
2815{
2816 struct vmw_bo *bo;
2817
2818 if (!uo || vmw_user_object_is_null(uo))
2819 return false;
2820
2821 bo = vmw_user_object_buffer(uo);
2822
2823 if (WARN_ON(!bo))
2824 return false;
2825
2826 WARN_ON(bo->map.bo && !bo->map.virtual);
2827 return bo->map.virtual;
2828}
2829
2830bool vmw_user_object_is_null(struct vmw_user_object *uo)
2831{
2832 return !uo->buffer && !uo->surface;
2833}
1/**************************************************************************
2 *
3 * Copyright © 2009 VMware, Inc., Palo Alto, CA., USA
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"
29
30
31/* Might need a hrtimer here? */
32#define VMWGFX_PRESENT_RATE ((HZ / 60 > 0) ? HZ / 60 : 1)
33
34
35struct vmw_clip_rect {
36 int x1, x2, y1, y2;
37};
38
39/**
40 * Clip @num_rects number of @rects against @clip storing the
41 * results in @out_rects and the number of passed rects in @out_num.
42 */
43void vmw_clip_cliprects(struct drm_clip_rect *rects,
44 int num_rects,
45 struct vmw_clip_rect clip,
46 SVGASignedRect *out_rects,
47 int *out_num)
48{
49 int i, k;
50
51 for (i = 0, k = 0; i < num_rects; i++) {
52 int x1 = max_t(int, clip.x1, rects[i].x1);
53 int y1 = max_t(int, clip.y1, rects[i].y1);
54 int x2 = min_t(int, clip.x2, rects[i].x2);
55 int y2 = min_t(int, clip.y2, rects[i].y2);
56
57 if (x1 >= x2)
58 continue;
59 if (y1 >= y2)
60 continue;
61
62 out_rects[k].left = x1;
63 out_rects[k].top = y1;
64 out_rects[k].right = x2;
65 out_rects[k].bottom = y2;
66 k++;
67 }
68
69 *out_num = k;
70}
71
72void vmw_display_unit_cleanup(struct vmw_display_unit *du)
73{
74 if (du->cursor_surface)
75 vmw_surface_unreference(&du->cursor_surface);
76 if (du->cursor_dmabuf)
77 vmw_dmabuf_unreference(&du->cursor_dmabuf);
78 drm_crtc_cleanup(&du->crtc);
79 drm_encoder_cleanup(&du->encoder);
80 drm_connector_cleanup(&du->connector);
81}
82
83/*
84 * Display Unit Cursor functions
85 */
86
87int vmw_cursor_update_image(struct vmw_private *dev_priv,
88 u32 *image, u32 width, u32 height,
89 u32 hotspotX, u32 hotspotY)
90{
91 struct {
92 u32 cmd;
93 SVGAFifoCmdDefineAlphaCursor cursor;
94 } *cmd;
95 u32 image_size = width * height * 4;
96 u32 cmd_size = sizeof(*cmd) + image_size;
97
98 if (!image)
99 return -EINVAL;
100
101 cmd = vmw_fifo_reserve(dev_priv, cmd_size);
102 if (unlikely(cmd == NULL)) {
103 DRM_ERROR("Fifo reserve failed.\n");
104 return -ENOMEM;
105 }
106
107 memset(cmd, 0, sizeof(*cmd));
108
109 memcpy(&cmd[1], image, image_size);
110
111 cmd->cmd = cpu_to_le32(SVGA_CMD_DEFINE_ALPHA_CURSOR);
112 cmd->cursor.id = cpu_to_le32(0);
113 cmd->cursor.width = cpu_to_le32(width);
114 cmd->cursor.height = cpu_to_le32(height);
115 cmd->cursor.hotspotX = cpu_to_le32(hotspotX);
116 cmd->cursor.hotspotY = cpu_to_le32(hotspotY);
117
118 vmw_fifo_commit(dev_priv, cmd_size);
119
120 return 0;
121}
122
123int vmw_cursor_update_dmabuf(struct vmw_private *dev_priv,
124 struct vmw_dma_buffer *dmabuf,
125 u32 width, u32 height,
126 u32 hotspotX, u32 hotspotY)
127{
128 struct ttm_bo_kmap_obj map;
129 unsigned long kmap_offset;
130 unsigned long kmap_num;
131 void *virtual;
132 bool dummy;
133 int ret;
134
135 kmap_offset = 0;
136 kmap_num = (width*height*4 + PAGE_SIZE - 1) >> PAGE_SHIFT;
137
138 ret = ttm_bo_reserve(&dmabuf->base, true, false, false, 0);
139 if (unlikely(ret != 0)) {
140 DRM_ERROR("reserve failed\n");
141 return -EINVAL;
142 }
143
144 ret = ttm_bo_kmap(&dmabuf->base, kmap_offset, kmap_num, &map);
145 if (unlikely(ret != 0))
146 goto err_unreserve;
147
148 virtual = ttm_kmap_obj_virtual(&map, &dummy);
149 ret = vmw_cursor_update_image(dev_priv, virtual, width, height,
150 hotspotX, hotspotY);
151
152 ttm_bo_kunmap(&map);
153err_unreserve:
154 ttm_bo_unreserve(&dmabuf->base);
155
156 return ret;
157}
158
159
160void vmw_cursor_update_position(struct vmw_private *dev_priv,
161 bool show, int x, int y)
162{
163 __le32 __iomem *fifo_mem = dev_priv->mmio_virt;
164 uint32_t count;
165
166 iowrite32(show ? 1 : 0, fifo_mem + SVGA_FIFO_CURSOR_ON);
167 iowrite32(x, fifo_mem + SVGA_FIFO_CURSOR_X);
168 iowrite32(y, fifo_mem + SVGA_FIFO_CURSOR_Y);
169 count = ioread32(fifo_mem + SVGA_FIFO_CURSOR_COUNT);
170 iowrite32(++count, fifo_mem + SVGA_FIFO_CURSOR_COUNT);
171}
172
173int vmw_du_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
174 uint32_t handle, uint32_t width, uint32_t height)
175{
176 struct vmw_private *dev_priv = vmw_priv(crtc->dev);
177 struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
178 struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
179 struct vmw_surface *surface = NULL;
180 struct vmw_dma_buffer *dmabuf = NULL;
181 int ret;
182
183 /* A lot of the code assumes this */
184 if (handle && (width != 64 || height != 64))
185 return -EINVAL;
186
187 if (handle) {
188 ret = vmw_user_lookup_handle(dev_priv, tfile,
189 handle, &surface, &dmabuf);
190 if (ret) {
191 DRM_ERROR("failed to find surface or dmabuf: %i\n", ret);
192 return -EINVAL;
193 }
194 }
195
196 /* need to do this before taking down old image */
197 if (surface && !surface->snooper.image) {
198 DRM_ERROR("surface not suitable for cursor\n");
199 vmw_surface_unreference(&surface);
200 return -EINVAL;
201 }
202
203 /* takedown old cursor */
204 if (du->cursor_surface) {
205 du->cursor_surface->snooper.crtc = NULL;
206 vmw_surface_unreference(&du->cursor_surface);
207 }
208 if (du->cursor_dmabuf)
209 vmw_dmabuf_unreference(&du->cursor_dmabuf);
210
211 /* setup new image */
212 if (surface) {
213 /* vmw_user_surface_lookup takes one reference */
214 du->cursor_surface = surface;
215
216 du->cursor_surface->snooper.crtc = crtc;
217 du->cursor_age = du->cursor_surface->snooper.age;
218 vmw_cursor_update_image(dev_priv, surface->snooper.image,
219 64, 64, du->hotspot_x, du->hotspot_y);
220 } else if (dmabuf) {
221 /* vmw_user_surface_lookup takes one reference */
222 du->cursor_dmabuf = dmabuf;
223
224 ret = vmw_cursor_update_dmabuf(dev_priv, dmabuf, width, height,
225 du->hotspot_x, du->hotspot_y);
226 } else {
227 vmw_cursor_update_position(dev_priv, false, 0, 0);
228 return 0;
229 }
230
231 vmw_cursor_update_position(dev_priv, true,
232 du->cursor_x + du->hotspot_x,
233 du->cursor_y + du->hotspot_y);
234
235 return 0;
236}
237
238int vmw_du_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
239{
240 struct vmw_private *dev_priv = vmw_priv(crtc->dev);
241 struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
242 bool shown = du->cursor_surface || du->cursor_dmabuf ? true : false;
243
244 du->cursor_x = x + crtc->x;
245 du->cursor_y = y + crtc->y;
246
247 vmw_cursor_update_position(dev_priv, shown,
248 du->cursor_x + du->hotspot_x,
249 du->cursor_y + du->hotspot_y);
250
251 return 0;
252}
253
254void vmw_kms_cursor_snoop(struct vmw_surface *srf,
255 struct ttm_object_file *tfile,
256 struct ttm_buffer_object *bo,
257 SVGA3dCmdHeader *header)
258{
259 struct ttm_bo_kmap_obj map;
260 unsigned long kmap_offset;
261 unsigned long kmap_num;
262 SVGA3dCopyBox *box;
263 unsigned box_count;
264 void *virtual;
265 bool dummy;
266 struct vmw_dma_cmd {
267 SVGA3dCmdHeader header;
268 SVGA3dCmdSurfaceDMA dma;
269 } *cmd;
270 int i, ret;
271
272 cmd = container_of(header, struct vmw_dma_cmd, header);
273
274 /* No snooper installed */
275 if (!srf->snooper.image)
276 return;
277
278 if (cmd->dma.host.face != 0 || cmd->dma.host.mipmap != 0) {
279 DRM_ERROR("face and mipmap for cursors should never != 0\n");
280 return;
281 }
282
283 if (cmd->header.size < 64) {
284 DRM_ERROR("at least one full copy box must be given\n");
285 return;
286 }
287
288 box = (SVGA3dCopyBox *)&cmd[1];
289 box_count = (cmd->header.size - sizeof(SVGA3dCmdSurfaceDMA)) /
290 sizeof(SVGA3dCopyBox);
291
292 if (cmd->dma.guest.ptr.offset % PAGE_SIZE ||
293 box->x != 0 || box->y != 0 || box->z != 0 ||
294 box->srcx != 0 || box->srcy != 0 || box->srcz != 0 ||
295 box->d != 1 || box_count != 1) {
296 /* TODO handle none page aligned offsets */
297 /* TODO handle more dst & src != 0 */
298 /* TODO handle more then one copy */
299 DRM_ERROR("Cant snoop dma request for cursor!\n");
300 DRM_ERROR("(%u, %u, %u) (%u, %u, %u) (%ux%ux%u) %u %u\n",
301 box->srcx, box->srcy, box->srcz,
302 box->x, box->y, box->z,
303 box->w, box->h, box->d, box_count,
304 cmd->dma.guest.ptr.offset);
305 return;
306 }
307
308 kmap_offset = cmd->dma.guest.ptr.offset >> PAGE_SHIFT;
309 kmap_num = (64*64*4) >> PAGE_SHIFT;
310
311 ret = ttm_bo_reserve(bo, true, false, false, 0);
312 if (unlikely(ret != 0)) {
313 DRM_ERROR("reserve failed\n");
314 return;
315 }
316
317 ret = ttm_bo_kmap(bo, kmap_offset, kmap_num, &map);
318 if (unlikely(ret != 0))
319 goto err_unreserve;
320
321 virtual = ttm_kmap_obj_virtual(&map, &dummy);
322
323 if (box->w == 64 && cmd->dma.guest.pitch == 64*4) {
324 memcpy(srf->snooper.image, virtual, 64*64*4);
325 } else {
326 /* Image is unsigned pointer. */
327 for (i = 0; i < box->h; i++)
328 memcpy(srf->snooper.image + i * 64,
329 virtual + i * cmd->dma.guest.pitch,
330 box->w * 4);
331 }
332
333 srf->snooper.age++;
334
335 /* we can't call this function from this function since execbuf has
336 * reserved fifo space.
337 *
338 * if (srf->snooper.crtc)
339 * vmw_ldu_crtc_cursor_update_image(dev_priv,
340 * srf->snooper.image, 64, 64,
341 * du->hotspot_x, du->hotspot_y);
342 */
343
344 ttm_bo_kunmap(&map);
345err_unreserve:
346 ttm_bo_unreserve(bo);
347}
348
349void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv)
350{
351 struct drm_device *dev = dev_priv->dev;
352 struct vmw_display_unit *du;
353 struct drm_crtc *crtc;
354
355 mutex_lock(&dev->mode_config.mutex);
356
357 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
358 du = vmw_crtc_to_du(crtc);
359 if (!du->cursor_surface ||
360 du->cursor_age == du->cursor_surface->snooper.age)
361 continue;
362
363 du->cursor_age = du->cursor_surface->snooper.age;
364 vmw_cursor_update_image(dev_priv,
365 du->cursor_surface->snooper.image,
366 64, 64, du->hotspot_x, du->hotspot_y);
367 }
368
369 mutex_unlock(&dev->mode_config.mutex);
370}
371
372/*
373 * Generic framebuffer code
374 */
375
376int vmw_framebuffer_create_handle(struct drm_framebuffer *fb,
377 struct drm_file *file_priv,
378 unsigned int *handle)
379{
380 if (handle)
381 *handle = 0;
382
383 return 0;
384}
385
386/*
387 * Surface framebuffer code
388 */
389
390#define vmw_framebuffer_to_vfbs(x) \
391 container_of(x, struct vmw_framebuffer_surface, base.base)
392
393struct vmw_framebuffer_surface {
394 struct vmw_framebuffer base;
395 struct vmw_surface *surface;
396 struct vmw_dma_buffer *buffer;
397 struct list_head head;
398 struct drm_master *master;
399};
400
401void vmw_framebuffer_surface_destroy(struct drm_framebuffer *framebuffer)
402{
403 struct vmw_framebuffer_surface *vfbs =
404 vmw_framebuffer_to_vfbs(framebuffer);
405 struct vmw_master *vmaster = vmw_master(vfbs->master);
406
407
408 mutex_lock(&vmaster->fb_surf_mutex);
409 list_del(&vfbs->head);
410 mutex_unlock(&vmaster->fb_surf_mutex);
411
412 drm_master_put(&vfbs->master);
413 drm_framebuffer_cleanup(framebuffer);
414 vmw_surface_unreference(&vfbs->surface);
415 ttm_base_object_unref(&vfbs->base.user_obj);
416
417 kfree(vfbs);
418}
419
420static int do_surface_dirty_sou(struct vmw_private *dev_priv,
421 struct drm_file *file_priv,
422 struct vmw_framebuffer *framebuffer,
423 unsigned flags, unsigned color,
424 struct drm_clip_rect *clips,
425 unsigned num_clips, int inc,
426 struct vmw_fence_obj **out_fence)
427{
428 struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
429 struct drm_clip_rect *clips_ptr;
430 struct drm_clip_rect *tmp;
431 struct drm_crtc *crtc;
432 size_t fifo_size;
433 int i, num_units;
434 int ret = 0; /* silence warning */
435 int left, right, top, bottom;
436
437 struct {
438 SVGA3dCmdHeader header;
439 SVGA3dCmdBlitSurfaceToScreen body;
440 } *cmd;
441 SVGASignedRect *blits;
442
443 num_units = 0;
444 list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list,
445 head) {
446 if (crtc->fb != &framebuffer->base)
447 continue;
448 units[num_units++] = vmw_crtc_to_du(crtc);
449 }
450
451 BUG_ON(!clips || !num_clips);
452
453 tmp = kzalloc(sizeof(*tmp) * num_clips, GFP_KERNEL);
454 if (unlikely(tmp == NULL)) {
455 DRM_ERROR("Temporary cliprect memory alloc failed.\n");
456 return -ENOMEM;
457 }
458
459 fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num_clips;
460 cmd = kzalloc(fifo_size, GFP_KERNEL);
461 if (unlikely(cmd == NULL)) {
462 DRM_ERROR("Temporary fifo memory alloc failed.\n");
463 ret = -ENOMEM;
464 goto out_free_tmp;
465 }
466
467 /* setup blits pointer */
468 blits = (SVGASignedRect *)&cmd[1];
469
470 /* initial clip region */
471 left = clips->x1;
472 right = clips->x2;
473 top = clips->y1;
474 bottom = clips->y2;
475
476 /* skip the first clip rect */
477 for (i = 1, clips_ptr = clips + inc;
478 i < num_clips; i++, clips_ptr += inc) {
479 left = min_t(int, left, (int)clips_ptr->x1);
480 right = max_t(int, right, (int)clips_ptr->x2);
481 top = min_t(int, top, (int)clips_ptr->y1);
482 bottom = max_t(int, bottom, (int)clips_ptr->y2);
483 }
484
485 /* only need to do this once */
486 memset(cmd, 0, fifo_size);
487 cmd->header.id = cpu_to_le32(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN);
488 cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header));
489
490 cmd->body.srcRect.left = left;
491 cmd->body.srcRect.right = right;
492 cmd->body.srcRect.top = top;
493 cmd->body.srcRect.bottom = bottom;
494
495 clips_ptr = clips;
496 for (i = 0; i < num_clips; i++, clips_ptr += inc) {
497 tmp[i].x1 = clips_ptr->x1 - left;
498 tmp[i].x2 = clips_ptr->x2 - left;
499 tmp[i].y1 = clips_ptr->y1 - top;
500 tmp[i].y2 = clips_ptr->y2 - top;
501 }
502
503 /* do per unit writing, reuse fifo for each */
504 for (i = 0; i < num_units; i++) {
505 struct vmw_display_unit *unit = units[i];
506 struct vmw_clip_rect clip;
507 int num;
508
509 clip.x1 = left - unit->crtc.x;
510 clip.y1 = top - unit->crtc.y;
511 clip.x2 = right - unit->crtc.x;
512 clip.y2 = bottom - unit->crtc.y;
513
514 /* skip any crtcs that misses the clip region */
515 if (clip.x1 >= unit->crtc.mode.hdisplay ||
516 clip.y1 >= unit->crtc.mode.vdisplay ||
517 clip.x2 <= 0 || clip.y2 <= 0)
518 continue;
519
520 /*
521 * In order for the clip rects to be correctly scaled
522 * the src and dest rects needs to be the same size.
523 */
524 cmd->body.destRect.left = clip.x1;
525 cmd->body.destRect.right = clip.x2;
526 cmd->body.destRect.top = clip.y1;
527 cmd->body.destRect.bottom = clip.y2;
528
529 /* create a clip rect of the crtc in dest coords */
530 clip.x2 = unit->crtc.mode.hdisplay - clip.x1;
531 clip.y2 = unit->crtc.mode.vdisplay - clip.y1;
532 clip.x1 = 0 - clip.x1;
533 clip.y1 = 0 - clip.y1;
534
535 /* need to reset sid as it is changed by execbuf */
536 cmd->body.srcImage.sid = cpu_to_le32(framebuffer->user_handle);
537 cmd->body.destScreenId = unit->unit;
538
539 /* clip and write blits to cmd stream */
540 vmw_clip_cliprects(tmp, num_clips, clip, blits, &num);
541
542 /* if no cliprects hit skip this */
543 if (num == 0)
544 continue;
545
546 /* only return the last fence */
547 if (out_fence && *out_fence)
548 vmw_fence_obj_unreference(out_fence);
549
550 /* recalculate package length */
551 fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num;
552 cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header));
553 ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd,
554 fifo_size, 0, NULL, out_fence);
555
556 if (unlikely(ret != 0))
557 break;
558 }
559
560
561 kfree(cmd);
562out_free_tmp:
563 kfree(tmp);
564
565 return ret;
566}
567
568int vmw_framebuffer_surface_dirty(struct drm_framebuffer *framebuffer,
569 struct drm_file *file_priv,
570 unsigned flags, unsigned color,
571 struct drm_clip_rect *clips,
572 unsigned num_clips)
573{
574 struct vmw_private *dev_priv = vmw_priv(framebuffer->dev);
575 struct vmw_master *vmaster = vmw_master(file_priv->master);
576 struct vmw_framebuffer_surface *vfbs =
577 vmw_framebuffer_to_vfbs(framebuffer);
578 struct drm_clip_rect norect;
579 int ret, inc = 1;
580
581 if (unlikely(vfbs->master != file_priv->master))
582 return -EINVAL;
583
584 /* Require ScreenObject support for 3D */
585 if (!dev_priv->sou_priv)
586 return -EINVAL;
587
588 ret = ttm_read_lock(&vmaster->lock, true);
589 if (unlikely(ret != 0))
590 return ret;
591
592 if (!num_clips) {
593 num_clips = 1;
594 clips = &norect;
595 norect.x1 = norect.y1 = 0;
596 norect.x2 = framebuffer->width;
597 norect.y2 = framebuffer->height;
598 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
599 num_clips /= 2;
600 inc = 2; /* skip source rects */
601 }
602
603 ret = do_surface_dirty_sou(dev_priv, file_priv, &vfbs->base,
604 flags, color,
605 clips, num_clips, inc, NULL);
606
607 ttm_read_unlock(&vmaster->lock);
608 return 0;
609}
610
611static struct drm_framebuffer_funcs vmw_framebuffer_surface_funcs = {
612 .destroy = vmw_framebuffer_surface_destroy,
613 .dirty = vmw_framebuffer_surface_dirty,
614 .create_handle = vmw_framebuffer_create_handle,
615};
616
617static int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv,
618 struct drm_file *file_priv,
619 struct vmw_surface *surface,
620 struct vmw_framebuffer **out,
621 const struct drm_mode_fb_cmd
622 *mode_cmd)
623
624{
625 struct drm_device *dev = dev_priv->dev;
626 struct vmw_framebuffer_surface *vfbs;
627 enum SVGA3dSurfaceFormat format;
628 struct vmw_master *vmaster = vmw_master(file_priv->master);
629 int ret;
630
631 /* 3D is only supported on HWv8 hosts which supports screen objects */
632 if (!dev_priv->sou_priv)
633 return -ENOSYS;
634
635 /*
636 * Sanity checks.
637 */
638
639 /* Surface must be marked as a scanout. */
640 if (unlikely(!surface->scanout))
641 return -EINVAL;
642
643 if (unlikely(surface->mip_levels[0] != 1 ||
644 surface->num_sizes != 1 ||
645 surface->sizes[0].width < mode_cmd->width ||
646 surface->sizes[0].height < mode_cmd->height ||
647 surface->sizes[0].depth != 1)) {
648 DRM_ERROR("Incompatible surface dimensions "
649 "for requested mode.\n");
650 return -EINVAL;
651 }
652
653 switch (mode_cmd->depth) {
654 case 32:
655 format = SVGA3D_A8R8G8B8;
656 break;
657 case 24:
658 format = SVGA3D_X8R8G8B8;
659 break;
660 case 16:
661 format = SVGA3D_R5G6B5;
662 break;
663 case 15:
664 format = SVGA3D_A1R5G5B5;
665 break;
666 case 8:
667 format = SVGA3D_LUMINANCE8;
668 break;
669 default:
670 DRM_ERROR("Invalid color depth: %d\n", mode_cmd->depth);
671 return -EINVAL;
672 }
673
674 if (unlikely(format != surface->format)) {
675 DRM_ERROR("Invalid surface format for requested mode.\n");
676 return -EINVAL;
677 }
678
679 vfbs = kzalloc(sizeof(*vfbs), GFP_KERNEL);
680 if (!vfbs) {
681 ret = -ENOMEM;
682 goto out_err1;
683 }
684
685 ret = drm_framebuffer_init(dev, &vfbs->base.base,
686 &vmw_framebuffer_surface_funcs);
687 if (ret)
688 goto out_err2;
689
690 if (!vmw_surface_reference(surface)) {
691 DRM_ERROR("failed to reference surface %p\n", surface);
692 goto out_err3;
693 }
694
695 /* XXX get the first 3 from the surface info */
696 vfbs->base.base.bits_per_pixel = mode_cmd->bpp;
697 vfbs->base.base.pitches[0] = mode_cmd->pitch;
698 vfbs->base.base.depth = mode_cmd->depth;
699 vfbs->base.base.width = mode_cmd->width;
700 vfbs->base.base.height = mode_cmd->height;
701 vfbs->surface = surface;
702 vfbs->base.user_handle = mode_cmd->handle;
703 vfbs->master = drm_master_get(file_priv->master);
704
705 mutex_lock(&vmaster->fb_surf_mutex);
706 list_add_tail(&vfbs->head, &vmaster->fb_surf);
707 mutex_unlock(&vmaster->fb_surf_mutex);
708
709 *out = &vfbs->base;
710
711 return 0;
712
713out_err3:
714 drm_framebuffer_cleanup(&vfbs->base.base);
715out_err2:
716 kfree(vfbs);
717out_err1:
718 return ret;
719}
720
721/*
722 * Dmabuf framebuffer code
723 */
724
725#define vmw_framebuffer_to_vfbd(x) \
726 container_of(x, struct vmw_framebuffer_dmabuf, base.base)
727
728struct vmw_framebuffer_dmabuf {
729 struct vmw_framebuffer base;
730 struct vmw_dma_buffer *buffer;
731};
732
733void vmw_framebuffer_dmabuf_destroy(struct drm_framebuffer *framebuffer)
734{
735 struct vmw_framebuffer_dmabuf *vfbd =
736 vmw_framebuffer_to_vfbd(framebuffer);
737
738 drm_framebuffer_cleanup(framebuffer);
739 vmw_dmabuf_unreference(&vfbd->buffer);
740 ttm_base_object_unref(&vfbd->base.user_obj);
741
742 kfree(vfbd);
743}
744
745static int do_dmabuf_dirty_ldu(struct vmw_private *dev_priv,
746 struct vmw_framebuffer *framebuffer,
747 unsigned flags, unsigned color,
748 struct drm_clip_rect *clips,
749 unsigned num_clips, int increment)
750{
751 size_t fifo_size;
752 int i;
753
754 struct {
755 uint32_t header;
756 SVGAFifoCmdUpdate body;
757 } *cmd;
758
759 fifo_size = sizeof(*cmd) * num_clips;
760 cmd = vmw_fifo_reserve(dev_priv, fifo_size);
761 if (unlikely(cmd == NULL)) {
762 DRM_ERROR("Fifo reserve failed.\n");
763 return -ENOMEM;
764 }
765
766 memset(cmd, 0, fifo_size);
767 for (i = 0; i < num_clips; i++, clips += increment) {
768 cmd[i].header = cpu_to_le32(SVGA_CMD_UPDATE);
769 cmd[i].body.x = cpu_to_le32(clips->x1);
770 cmd[i].body.y = cpu_to_le32(clips->y1);
771 cmd[i].body.width = cpu_to_le32(clips->x2 - clips->x1);
772 cmd[i].body.height = cpu_to_le32(clips->y2 - clips->y1);
773 }
774
775 vmw_fifo_commit(dev_priv, fifo_size);
776 return 0;
777}
778
779static int do_dmabuf_define_gmrfb(struct drm_file *file_priv,
780 struct vmw_private *dev_priv,
781 struct vmw_framebuffer *framebuffer)
782{
783 int depth = framebuffer->base.depth;
784 size_t fifo_size;
785 int ret;
786
787 struct {
788 uint32_t header;
789 SVGAFifoCmdDefineGMRFB body;
790 } *cmd;
791
792 /* Emulate RGBA support, contrary to svga_reg.h this is not
793 * supported by hosts. This is only a problem if we are reading
794 * this value later and expecting what we uploaded back.
795 */
796 if (depth == 32)
797 depth = 24;
798
799 fifo_size = sizeof(*cmd);
800 cmd = kmalloc(fifo_size, GFP_KERNEL);
801 if (unlikely(cmd == NULL)) {
802 DRM_ERROR("Failed to allocate temporary cmd buffer.\n");
803 return -ENOMEM;
804 }
805
806 memset(cmd, 0, fifo_size);
807 cmd->header = SVGA_CMD_DEFINE_GMRFB;
808 cmd->body.format.bitsPerPixel = framebuffer->base.bits_per_pixel;
809 cmd->body.format.colorDepth = depth;
810 cmd->body.format.reserved = 0;
811 cmd->body.bytesPerLine = framebuffer->base.pitches[0];
812 cmd->body.ptr.gmrId = framebuffer->user_handle;
813 cmd->body.ptr.offset = 0;
814
815 ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd,
816 fifo_size, 0, NULL, NULL);
817
818 kfree(cmd);
819
820 return ret;
821}
822
823static int do_dmabuf_dirty_sou(struct drm_file *file_priv,
824 struct vmw_private *dev_priv,
825 struct vmw_framebuffer *framebuffer,
826 unsigned flags, unsigned color,
827 struct drm_clip_rect *clips,
828 unsigned num_clips, int increment,
829 struct vmw_fence_obj **out_fence)
830{
831 struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
832 struct drm_clip_rect *clips_ptr;
833 int i, k, num_units, ret;
834 struct drm_crtc *crtc;
835 size_t fifo_size;
836
837 struct {
838 uint32_t header;
839 SVGAFifoCmdBlitGMRFBToScreen body;
840 } *blits;
841
842 ret = do_dmabuf_define_gmrfb(file_priv, dev_priv, framebuffer);
843 if (unlikely(ret != 0))
844 return ret; /* define_gmrfb prints warnings */
845
846 fifo_size = sizeof(*blits) * num_clips;
847 blits = kmalloc(fifo_size, GFP_KERNEL);
848 if (unlikely(blits == NULL)) {
849 DRM_ERROR("Failed to allocate temporary cmd buffer.\n");
850 return -ENOMEM;
851 }
852
853 num_units = 0;
854 list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) {
855 if (crtc->fb != &framebuffer->base)
856 continue;
857 units[num_units++] = vmw_crtc_to_du(crtc);
858 }
859
860 for (k = 0; k < num_units; k++) {
861 struct vmw_display_unit *unit = units[k];
862 int hit_num = 0;
863
864 clips_ptr = clips;
865 for (i = 0; i < num_clips; i++, clips_ptr += increment) {
866 int clip_x1 = clips_ptr->x1 - unit->crtc.x;
867 int clip_y1 = clips_ptr->y1 - unit->crtc.y;
868 int clip_x2 = clips_ptr->x2 - unit->crtc.x;
869 int clip_y2 = clips_ptr->y2 - unit->crtc.y;
870 int move_x, move_y;
871
872 /* skip any crtcs that misses the clip region */
873 if (clip_x1 >= unit->crtc.mode.hdisplay ||
874 clip_y1 >= unit->crtc.mode.vdisplay ||
875 clip_x2 <= 0 || clip_y2 <= 0)
876 continue;
877
878 /* clip size to crtc size */
879 clip_x2 = min_t(int, clip_x2, unit->crtc.mode.hdisplay);
880 clip_y2 = min_t(int, clip_y2, unit->crtc.mode.vdisplay);
881
882 /* translate both src and dest to bring clip into screen */
883 move_x = min_t(int, clip_x1, 0);
884 move_y = min_t(int, clip_y1, 0);
885
886 /* actual translate done here */
887 blits[hit_num].header = SVGA_CMD_BLIT_GMRFB_TO_SCREEN;
888 blits[hit_num].body.destScreenId = unit->unit;
889 blits[hit_num].body.srcOrigin.x = clips_ptr->x1 - move_x;
890 blits[hit_num].body.srcOrigin.y = clips_ptr->y1 - move_y;
891 blits[hit_num].body.destRect.left = clip_x1 - move_x;
892 blits[hit_num].body.destRect.top = clip_y1 - move_y;
893 blits[hit_num].body.destRect.right = clip_x2;
894 blits[hit_num].body.destRect.bottom = clip_y2;
895 hit_num++;
896 }
897
898 /* no clips hit the crtc */
899 if (hit_num == 0)
900 continue;
901
902 /* only return the last fence */
903 if (out_fence && *out_fence)
904 vmw_fence_obj_unreference(out_fence);
905
906 fifo_size = sizeof(*blits) * hit_num;
907 ret = vmw_execbuf_process(file_priv, dev_priv, NULL, blits,
908 fifo_size, 0, NULL, out_fence);
909
910 if (unlikely(ret != 0))
911 break;
912 }
913
914 kfree(blits);
915
916 return ret;
917}
918
919int vmw_framebuffer_dmabuf_dirty(struct drm_framebuffer *framebuffer,
920 struct drm_file *file_priv,
921 unsigned flags, unsigned color,
922 struct drm_clip_rect *clips,
923 unsigned num_clips)
924{
925 struct vmw_private *dev_priv = vmw_priv(framebuffer->dev);
926 struct vmw_master *vmaster = vmw_master(file_priv->master);
927 struct vmw_framebuffer_dmabuf *vfbd =
928 vmw_framebuffer_to_vfbd(framebuffer);
929 struct drm_clip_rect norect;
930 int ret, increment = 1;
931
932 ret = ttm_read_lock(&vmaster->lock, true);
933 if (unlikely(ret != 0))
934 return ret;
935
936 if (!num_clips) {
937 num_clips = 1;
938 clips = &norect;
939 norect.x1 = norect.y1 = 0;
940 norect.x2 = framebuffer->width;
941 norect.y2 = framebuffer->height;
942 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
943 num_clips /= 2;
944 increment = 2;
945 }
946
947 if (dev_priv->ldu_priv) {
948 ret = do_dmabuf_dirty_ldu(dev_priv, &vfbd->base,
949 flags, color,
950 clips, num_clips, increment);
951 } else {
952 ret = do_dmabuf_dirty_sou(file_priv, dev_priv, &vfbd->base,
953 flags, color,
954 clips, num_clips, increment, NULL);
955 }
956
957 ttm_read_unlock(&vmaster->lock);
958 return ret;
959}
960
961static struct drm_framebuffer_funcs vmw_framebuffer_dmabuf_funcs = {
962 .destroy = vmw_framebuffer_dmabuf_destroy,
963 .dirty = vmw_framebuffer_dmabuf_dirty,
964 .create_handle = vmw_framebuffer_create_handle,
965};
966
967/**
968 * Pin the dmabuffer to the start of vram.
969 */
970static int vmw_framebuffer_dmabuf_pin(struct vmw_framebuffer *vfb)
971{
972 struct vmw_private *dev_priv = vmw_priv(vfb->base.dev);
973 struct vmw_framebuffer_dmabuf *vfbd =
974 vmw_framebuffer_to_vfbd(&vfb->base);
975 int ret;
976
977 /* This code should not be used with screen objects */
978 BUG_ON(dev_priv->sou_priv);
979
980 vmw_overlay_pause_all(dev_priv);
981
982 ret = vmw_dmabuf_to_start_of_vram(dev_priv, vfbd->buffer, true, false);
983
984 vmw_overlay_resume_all(dev_priv);
985
986 WARN_ON(ret != 0);
987
988 return 0;
989}
990
991static int vmw_framebuffer_dmabuf_unpin(struct vmw_framebuffer *vfb)
992{
993 struct vmw_private *dev_priv = vmw_priv(vfb->base.dev);
994 struct vmw_framebuffer_dmabuf *vfbd =
995 vmw_framebuffer_to_vfbd(&vfb->base);
996
997 if (!vfbd->buffer) {
998 WARN_ON(!vfbd->buffer);
999 return 0;
1000 }
1001
1002 return vmw_dmabuf_unpin(dev_priv, vfbd->buffer, false);
1003}
1004
1005static int vmw_kms_new_framebuffer_dmabuf(struct vmw_private *dev_priv,
1006 struct vmw_dma_buffer *dmabuf,
1007 struct vmw_framebuffer **out,
1008 const struct drm_mode_fb_cmd
1009 *mode_cmd)
1010
1011{
1012 struct drm_device *dev = dev_priv->dev;
1013 struct vmw_framebuffer_dmabuf *vfbd;
1014 unsigned int requested_size;
1015 int ret;
1016
1017 requested_size = mode_cmd->height * mode_cmd->pitch;
1018 if (unlikely(requested_size > dmabuf->base.num_pages * PAGE_SIZE)) {
1019 DRM_ERROR("Screen buffer object size is too small "
1020 "for requested mode.\n");
1021 return -EINVAL;
1022 }
1023
1024 /* Limited framebuffer color depth support for screen objects */
1025 if (dev_priv->sou_priv) {
1026 switch (mode_cmd->depth) {
1027 case 32:
1028 case 24:
1029 /* Only support 32 bpp for 32 and 24 depth fbs */
1030 if (mode_cmd->bpp == 32)
1031 break;
1032
1033 DRM_ERROR("Invalid color depth/bbp: %d %d\n",
1034 mode_cmd->depth, mode_cmd->bpp);
1035 return -EINVAL;
1036 case 16:
1037 case 15:
1038 /* Only support 16 bpp for 16 and 15 depth fbs */
1039 if (mode_cmd->bpp == 16)
1040 break;
1041
1042 DRM_ERROR("Invalid color depth/bbp: %d %d\n",
1043 mode_cmd->depth, mode_cmd->bpp);
1044 return -EINVAL;
1045 default:
1046 DRM_ERROR("Invalid color depth: %d\n", mode_cmd->depth);
1047 return -EINVAL;
1048 }
1049 }
1050
1051 vfbd = kzalloc(sizeof(*vfbd), GFP_KERNEL);
1052 if (!vfbd) {
1053 ret = -ENOMEM;
1054 goto out_err1;
1055 }
1056
1057 ret = drm_framebuffer_init(dev, &vfbd->base.base,
1058 &vmw_framebuffer_dmabuf_funcs);
1059 if (ret)
1060 goto out_err2;
1061
1062 if (!vmw_dmabuf_reference(dmabuf)) {
1063 DRM_ERROR("failed to reference dmabuf %p\n", dmabuf);
1064 goto out_err3;
1065 }
1066
1067 vfbd->base.base.bits_per_pixel = mode_cmd->bpp;
1068 vfbd->base.base.pitches[0] = mode_cmd->pitch;
1069 vfbd->base.base.depth = mode_cmd->depth;
1070 vfbd->base.base.width = mode_cmd->width;
1071 vfbd->base.base.height = mode_cmd->height;
1072 if (!dev_priv->sou_priv) {
1073 vfbd->base.pin = vmw_framebuffer_dmabuf_pin;
1074 vfbd->base.unpin = vmw_framebuffer_dmabuf_unpin;
1075 }
1076 vfbd->base.dmabuf = true;
1077 vfbd->buffer = dmabuf;
1078 vfbd->base.user_handle = mode_cmd->handle;
1079 *out = &vfbd->base;
1080
1081 return 0;
1082
1083out_err3:
1084 drm_framebuffer_cleanup(&vfbd->base.base);
1085out_err2:
1086 kfree(vfbd);
1087out_err1:
1088 return ret;
1089}
1090
1091/*
1092 * Generic Kernel modesetting functions
1093 */
1094
1095static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev,
1096 struct drm_file *file_priv,
1097 struct drm_mode_fb_cmd2 *mode_cmd2)
1098{
1099 struct vmw_private *dev_priv = vmw_priv(dev);
1100 struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
1101 struct vmw_framebuffer *vfb = NULL;
1102 struct vmw_surface *surface = NULL;
1103 struct vmw_dma_buffer *bo = NULL;
1104 struct ttm_base_object *user_obj;
1105 struct drm_mode_fb_cmd mode_cmd;
1106 int ret;
1107
1108 mode_cmd.width = mode_cmd2->width;
1109 mode_cmd.height = mode_cmd2->height;
1110 mode_cmd.pitch = mode_cmd2->pitches[0];
1111 mode_cmd.handle = mode_cmd2->handles[0];
1112 drm_fb_get_bpp_depth(mode_cmd2->pixel_format, &mode_cmd.depth,
1113 &mode_cmd.bpp);
1114
1115 /**
1116 * This code should be conditioned on Screen Objects not being used.
1117 * If screen objects are used, we can allocate a GMR to hold the
1118 * requested framebuffer.
1119 */
1120
1121 if (!vmw_kms_validate_mode_vram(dev_priv,
1122 mode_cmd.pitch,
1123 mode_cmd.height)) {
1124 DRM_ERROR("VRAM size is too small for requested mode.\n");
1125 return ERR_PTR(-ENOMEM);
1126 }
1127
1128 /*
1129 * Take a reference on the user object of the resource
1130 * backing the kms fb. This ensures that user-space handle
1131 * lookups on that resource will always work as long as
1132 * it's registered with a kms framebuffer. This is important,
1133 * since vmw_execbuf_process identifies resources in the
1134 * command stream using user-space handles.
1135 */
1136
1137 user_obj = ttm_base_object_lookup(tfile, mode_cmd.handle);
1138 if (unlikely(user_obj == NULL)) {
1139 DRM_ERROR("Could not locate requested kms frame buffer.\n");
1140 return ERR_PTR(-ENOENT);
1141 }
1142
1143 /**
1144 * End conditioned code.
1145 */
1146
1147 /* returns either a dmabuf or surface */
1148 ret = vmw_user_lookup_handle(dev_priv, tfile,
1149 mode_cmd.handle,
1150 &surface, &bo);
1151 if (ret)
1152 goto err_out;
1153
1154 /* Create the new framebuffer depending one what we got back */
1155 if (bo)
1156 ret = vmw_kms_new_framebuffer_dmabuf(dev_priv, bo, &vfb,
1157 &mode_cmd);
1158 else if (surface)
1159 ret = vmw_kms_new_framebuffer_surface(dev_priv, file_priv,
1160 surface, &vfb, &mode_cmd);
1161 else
1162 BUG();
1163
1164err_out:
1165 /* vmw_user_lookup_handle takes one ref so does new_fb */
1166 if (bo)
1167 vmw_dmabuf_unreference(&bo);
1168 if (surface)
1169 vmw_surface_unreference(&surface);
1170
1171 if (ret) {
1172 DRM_ERROR("failed to create vmw_framebuffer: %i\n", ret);
1173 ttm_base_object_unref(&user_obj);
1174 return ERR_PTR(ret);
1175 } else
1176 vfb->user_obj = user_obj;
1177
1178 return &vfb->base;
1179}
1180
1181static const struct drm_mode_config_funcs vmw_kms_funcs = {
1182 .fb_create = vmw_kms_fb_create,
1183};
1184
1185int vmw_kms_present(struct vmw_private *dev_priv,
1186 struct drm_file *file_priv,
1187 struct vmw_framebuffer *vfb,
1188 struct vmw_surface *surface,
1189 uint32_t sid,
1190 int32_t destX, int32_t destY,
1191 struct drm_vmw_rect *clips,
1192 uint32_t num_clips)
1193{
1194 struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
1195 struct drm_clip_rect *tmp;
1196 struct drm_crtc *crtc;
1197 size_t fifo_size;
1198 int i, k, num_units;
1199 int ret = 0; /* silence warning */
1200 int left, right, top, bottom;
1201
1202 struct {
1203 SVGA3dCmdHeader header;
1204 SVGA3dCmdBlitSurfaceToScreen body;
1205 } *cmd;
1206 SVGASignedRect *blits;
1207
1208 num_units = 0;
1209 list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) {
1210 if (crtc->fb != &vfb->base)
1211 continue;
1212 units[num_units++] = vmw_crtc_to_du(crtc);
1213 }
1214
1215 BUG_ON(surface == NULL);
1216 BUG_ON(!clips || !num_clips);
1217
1218 tmp = kzalloc(sizeof(*tmp) * num_clips, GFP_KERNEL);
1219 if (unlikely(tmp == NULL)) {
1220 DRM_ERROR("Temporary cliprect memory alloc failed.\n");
1221 return -ENOMEM;
1222 }
1223
1224 fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num_clips;
1225 cmd = kmalloc(fifo_size, GFP_KERNEL);
1226 if (unlikely(cmd == NULL)) {
1227 DRM_ERROR("Failed to allocate temporary fifo memory.\n");
1228 ret = -ENOMEM;
1229 goto out_free_tmp;
1230 }
1231
1232 left = clips->x;
1233 right = clips->x + clips->w;
1234 top = clips->y;
1235 bottom = clips->y + clips->h;
1236
1237 for (i = 1; i < num_clips; i++) {
1238 left = min_t(int, left, (int)clips[i].x);
1239 right = max_t(int, right, (int)clips[i].x + clips[i].w);
1240 top = min_t(int, top, (int)clips[i].y);
1241 bottom = max_t(int, bottom, (int)clips[i].y + clips[i].h);
1242 }
1243
1244 /* only need to do this once */
1245 memset(cmd, 0, fifo_size);
1246 cmd->header.id = cpu_to_le32(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN);
1247
1248 blits = (SVGASignedRect *)&cmd[1];
1249
1250 cmd->body.srcRect.left = left;
1251 cmd->body.srcRect.right = right;
1252 cmd->body.srcRect.top = top;
1253 cmd->body.srcRect.bottom = bottom;
1254
1255 for (i = 0; i < num_clips; i++) {
1256 tmp[i].x1 = clips[i].x - left;
1257 tmp[i].x2 = clips[i].x + clips[i].w - left;
1258 tmp[i].y1 = clips[i].y - top;
1259 tmp[i].y2 = clips[i].y + clips[i].h - top;
1260 }
1261
1262 for (k = 0; k < num_units; k++) {
1263 struct vmw_display_unit *unit = units[k];
1264 struct vmw_clip_rect clip;
1265 int num;
1266
1267 clip.x1 = left + destX - unit->crtc.x;
1268 clip.y1 = top + destY - unit->crtc.y;
1269 clip.x2 = right + destX - unit->crtc.x;
1270 clip.y2 = bottom + destY - unit->crtc.y;
1271
1272 /* skip any crtcs that misses the clip region */
1273 if (clip.x1 >= unit->crtc.mode.hdisplay ||
1274 clip.y1 >= unit->crtc.mode.vdisplay ||
1275 clip.x2 <= 0 || clip.y2 <= 0)
1276 continue;
1277
1278 /*
1279 * In order for the clip rects to be correctly scaled
1280 * the src and dest rects needs to be the same size.
1281 */
1282 cmd->body.destRect.left = clip.x1;
1283 cmd->body.destRect.right = clip.x2;
1284 cmd->body.destRect.top = clip.y1;
1285 cmd->body.destRect.bottom = clip.y2;
1286
1287 /* create a clip rect of the crtc in dest coords */
1288 clip.x2 = unit->crtc.mode.hdisplay - clip.x1;
1289 clip.y2 = unit->crtc.mode.vdisplay - clip.y1;
1290 clip.x1 = 0 - clip.x1;
1291 clip.y1 = 0 - clip.y1;
1292
1293 /* need to reset sid as it is changed by execbuf */
1294 cmd->body.srcImage.sid = sid;
1295 cmd->body.destScreenId = unit->unit;
1296
1297 /* clip and write blits to cmd stream */
1298 vmw_clip_cliprects(tmp, num_clips, clip, blits, &num);
1299
1300 /* if no cliprects hit skip this */
1301 if (num == 0)
1302 continue;
1303
1304 /* recalculate package length */
1305 fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num;
1306 cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header));
1307 ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd,
1308 fifo_size, 0, NULL, NULL);
1309
1310 if (unlikely(ret != 0))
1311 break;
1312 }
1313
1314 kfree(cmd);
1315out_free_tmp:
1316 kfree(tmp);
1317
1318 return ret;
1319}
1320
1321int vmw_kms_readback(struct vmw_private *dev_priv,
1322 struct drm_file *file_priv,
1323 struct vmw_framebuffer *vfb,
1324 struct drm_vmw_fence_rep __user *user_fence_rep,
1325 struct drm_vmw_rect *clips,
1326 uint32_t num_clips)
1327{
1328 struct vmw_framebuffer_dmabuf *vfbd =
1329 vmw_framebuffer_to_vfbd(&vfb->base);
1330 struct vmw_dma_buffer *dmabuf = vfbd->buffer;
1331 struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
1332 struct drm_crtc *crtc;
1333 size_t fifo_size;
1334 int i, k, ret, num_units, blits_pos;
1335
1336 struct {
1337 uint32_t header;
1338 SVGAFifoCmdDefineGMRFB body;
1339 } *cmd;
1340 struct {
1341 uint32_t header;
1342 SVGAFifoCmdBlitScreenToGMRFB body;
1343 } *blits;
1344
1345 num_units = 0;
1346 list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) {
1347 if (crtc->fb != &vfb->base)
1348 continue;
1349 units[num_units++] = vmw_crtc_to_du(crtc);
1350 }
1351
1352 BUG_ON(dmabuf == NULL);
1353 BUG_ON(!clips || !num_clips);
1354
1355 /* take a safe guess at fifo size */
1356 fifo_size = sizeof(*cmd) + sizeof(*blits) * num_clips * num_units;
1357 cmd = kmalloc(fifo_size, GFP_KERNEL);
1358 if (unlikely(cmd == NULL)) {
1359 DRM_ERROR("Failed to allocate temporary fifo memory.\n");
1360 return -ENOMEM;
1361 }
1362
1363 memset(cmd, 0, fifo_size);
1364 cmd->header = SVGA_CMD_DEFINE_GMRFB;
1365 cmd->body.format.bitsPerPixel = vfb->base.bits_per_pixel;
1366 cmd->body.format.colorDepth = vfb->base.depth;
1367 cmd->body.format.reserved = 0;
1368 cmd->body.bytesPerLine = vfb->base.pitches[0];
1369 cmd->body.ptr.gmrId = vfb->user_handle;
1370 cmd->body.ptr.offset = 0;
1371
1372 blits = (void *)&cmd[1];
1373 blits_pos = 0;
1374 for (i = 0; i < num_units; i++) {
1375 struct drm_vmw_rect *c = clips;
1376 for (k = 0; k < num_clips; k++, c++) {
1377 /* transform clip coords to crtc origin based coords */
1378 int clip_x1 = c->x - units[i]->crtc.x;
1379 int clip_x2 = c->x - units[i]->crtc.x + c->w;
1380 int clip_y1 = c->y - units[i]->crtc.y;
1381 int clip_y2 = c->y - units[i]->crtc.y + c->h;
1382 int dest_x = c->x;
1383 int dest_y = c->y;
1384
1385 /* compensate for clipping, we negate
1386 * a negative number and add that.
1387 */
1388 if (clip_x1 < 0)
1389 dest_x += -clip_x1;
1390 if (clip_y1 < 0)
1391 dest_y += -clip_y1;
1392
1393 /* clip */
1394 clip_x1 = max(clip_x1, 0);
1395 clip_y1 = max(clip_y1, 0);
1396 clip_x2 = min(clip_x2, units[i]->crtc.mode.hdisplay);
1397 clip_y2 = min(clip_y2, units[i]->crtc.mode.vdisplay);
1398
1399 /* and cull any rects that misses the crtc */
1400 if (clip_x1 >= units[i]->crtc.mode.hdisplay ||
1401 clip_y1 >= units[i]->crtc.mode.vdisplay ||
1402 clip_x2 <= 0 || clip_y2 <= 0)
1403 continue;
1404
1405 blits[blits_pos].header = SVGA_CMD_BLIT_SCREEN_TO_GMRFB;
1406 blits[blits_pos].body.srcScreenId = units[i]->unit;
1407 blits[blits_pos].body.destOrigin.x = dest_x;
1408 blits[blits_pos].body.destOrigin.y = dest_y;
1409
1410 blits[blits_pos].body.srcRect.left = clip_x1;
1411 blits[blits_pos].body.srcRect.top = clip_y1;
1412 blits[blits_pos].body.srcRect.right = clip_x2;
1413 blits[blits_pos].body.srcRect.bottom = clip_y2;
1414 blits_pos++;
1415 }
1416 }
1417 /* reset size here and use calculated exact size from loops */
1418 fifo_size = sizeof(*cmd) + sizeof(*blits) * blits_pos;
1419
1420 ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd, fifo_size,
1421 0, user_fence_rep, NULL);
1422
1423 kfree(cmd);
1424
1425 return ret;
1426}
1427
1428int vmw_kms_init(struct vmw_private *dev_priv)
1429{
1430 struct drm_device *dev = dev_priv->dev;
1431 int ret;
1432
1433 drm_mode_config_init(dev);
1434 dev->mode_config.funcs = &vmw_kms_funcs;
1435 dev->mode_config.min_width = 1;
1436 dev->mode_config.min_height = 1;
1437 /* assumed largest fb size */
1438 dev->mode_config.max_width = 8192;
1439 dev->mode_config.max_height = 8192;
1440
1441 ret = vmw_kms_init_screen_object_display(dev_priv);
1442 if (ret) /* Fallback */
1443 (void)vmw_kms_init_legacy_display_system(dev_priv);
1444
1445 return 0;
1446}
1447
1448int vmw_kms_close(struct vmw_private *dev_priv)
1449{
1450 /*
1451 * Docs says we should take the lock before calling this function
1452 * but since it destroys encoders and our destructor calls
1453 * drm_encoder_cleanup which takes the lock we deadlock.
1454 */
1455 drm_mode_config_cleanup(dev_priv->dev);
1456 if (dev_priv->sou_priv)
1457 vmw_kms_close_screen_object_display(dev_priv);
1458 else
1459 vmw_kms_close_legacy_display_system(dev_priv);
1460 return 0;
1461}
1462
1463int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
1464 struct drm_file *file_priv)
1465{
1466 struct drm_vmw_cursor_bypass_arg *arg = data;
1467 struct vmw_display_unit *du;
1468 struct drm_mode_object *obj;
1469 struct drm_crtc *crtc;
1470 int ret = 0;
1471
1472
1473 mutex_lock(&dev->mode_config.mutex);
1474 if (arg->flags & DRM_VMW_CURSOR_BYPASS_ALL) {
1475
1476 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
1477 du = vmw_crtc_to_du(crtc);
1478 du->hotspot_x = arg->xhot;
1479 du->hotspot_y = arg->yhot;
1480 }
1481
1482 mutex_unlock(&dev->mode_config.mutex);
1483 return 0;
1484 }
1485
1486 obj = drm_mode_object_find(dev, arg->crtc_id, DRM_MODE_OBJECT_CRTC);
1487 if (!obj) {
1488 ret = -EINVAL;
1489 goto out;
1490 }
1491
1492 crtc = obj_to_crtc(obj);
1493 du = vmw_crtc_to_du(crtc);
1494
1495 du->hotspot_x = arg->xhot;
1496 du->hotspot_y = arg->yhot;
1497
1498out:
1499 mutex_unlock(&dev->mode_config.mutex);
1500
1501 return ret;
1502}
1503
1504int vmw_kms_write_svga(struct vmw_private *vmw_priv,
1505 unsigned width, unsigned height, unsigned pitch,
1506 unsigned bpp, unsigned depth)
1507{
1508 if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK)
1509 vmw_write(vmw_priv, SVGA_REG_PITCHLOCK, pitch);
1510 else if (vmw_fifo_have_pitchlock(vmw_priv))
1511 iowrite32(pitch, vmw_priv->mmio_virt + SVGA_FIFO_PITCHLOCK);
1512 vmw_write(vmw_priv, SVGA_REG_WIDTH, width);
1513 vmw_write(vmw_priv, SVGA_REG_HEIGHT, height);
1514 vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, bpp);
1515
1516 if (vmw_read(vmw_priv, SVGA_REG_DEPTH) != depth) {
1517 DRM_ERROR("Invalid depth %u for %u bpp, host expects %u\n",
1518 depth, bpp, vmw_read(vmw_priv, SVGA_REG_DEPTH));
1519 return -EINVAL;
1520 }
1521
1522 return 0;
1523}
1524
1525int vmw_kms_save_vga(struct vmw_private *vmw_priv)
1526{
1527 struct vmw_vga_topology_state *save;
1528 uint32_t i;
1529
1530 vmw_priv->vga_width = vmw_read(vmw_priv, SVGA_REG_WIDTH);
1531 vmw_priv->vga_height = vmw_read(vmw_priv, SVGA_REG_HEIGHT);
1532 vmw_priv->vga_bpp = vmw_read(vmw_priv, SVGA_REG_BITS_PER_PIXEL);
1533 if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK)
1534 vmw_priv->vga_pitchlock =
1535 vmw_read(vmw_priv, SVGA_REG_PITCHLOCK);
1536 else if (vmw_fifo_have_pitchlock(vmw_priv))
1537 vmw_priv->vga_pitchlock = ioread32(vmw_priv->mmio_virt +
1538 SVGA_FIFO_PITCHLOCK);
1539
1540 if (!(vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY))
1541 return 0;
1542
1543 vmw_priv->num_displays = vmw_read(vmw_priv,
1544 SVGA_REG_NUM_GUEST_DISPLAYS);
1545
1546 if (vmw_priv->num_displays == 0)
1547 vmw_priv->num_displays = 1;
1548
1549 for (i = 0; i < vmw_priv->num_displays; ++i) {
1550 save = &vmw_priv->vga_save[i];
1551 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, i);
1552 save->primary = vmw_read(vmw_priv, SVGA_REG_DISPLAY_IS_PRIMARY);
1553 save->pos_x = vmw_read(vmw_priv, SVGA_REG_DISPLAY_POSITION_X);
1554 save->pos_y = vmw_read(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y);
1555 save->width = vmw_read(vmw_priv, SVGA_REG_DISPLAY_WIDTH);
1556 save->height = vmw_read(vmw_priv, SVGA_REG_DISPLAY_HEIGHT);
1557 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID);
1558 if (i == 0 && vmw_priv->num_displays == 1 &&
1559 save->width == 0 && save->height == 0) {
1560
1561 /*
1562 * It should be fairly safe to assume that these
1563 * values are uninitialized.
1564 */
1565
1566 save->width = vmw_priv->vga_width - save->pos_x;
1567 save->height = vmw_priv->vga_height - save->pos_y;
1568 }
1569 }
1570
1571 return 0;
1572}
1573
1574int vmw_kms_restore_vga(struct vmw_private *vmw_priv)
1575{
1576 struct vmw_vga_topology_state *save;
1577 uint32_t i;
1578
1579 vmw_write(vmw_priv, SVGA_REG_WIDTH, vmw_priv->vga_width);
1580 vmw_write(vmw_priv, SVGA_REG_HEIGHT, vmw_priv->vga_height);
1581 vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, vmw_priv->vga_bpp);
1582 if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK)
1583 vmw_write(vmw_priv, SVGA_REG_PITCHLOCK,
1584 vmw_priv->vga_pitchlock);
1585 else if (vmw_fifo_have_pitchlock(vmw_priv))
1586 iowrite32(vmw_priv->vga_pitchlock,
1587 vmw_priv->mmio_virt + SVGA_FIFO_PITCHLOCK);
1588
1589 if (!(vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY))
1590 return 0;
1591
1592 for (i = 0; i < vmw_priv->num_displays; ++i) {
1593 save = &vmw_priv->vga_save[i];
1594 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, i);
1595 vmw_write(vmw_priv, SVGA_REG_DISPLAY_IS_PRIMARY, save->primary);
1596 vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_X, save->pos_x);
1597 vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y, save->pos_y);
1598 vmw_write(vmw_priv, SVGA_REG_DISPLAY_WIDTH, save->width);
1599 vmw_write(vmw_priv, SVGA_REG_DISPLAY_HEIGHT, save->height);
1600 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID);
1601 }
1602
1603 return 0;
1604}
1605
1606bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
1607 uint32_t pitch,
1608 uint32_t height)
1609{
1610 return ((u64) pitch * (u64) height) < (u64) dev_priv->vram_size;
1611}
1612
1613
1614/**
1615 * Function called by DRM code called with vbl_lock held.
1616 */
1617u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc)
1618{
1619 return 0;
1620}
1621
1622/**
1623 * Function called by DRM code called with vbl_lock held.
1624 */
1625int vmw_enable_vblank(struct drm_device *dev, int crtc)
1626{
1627 return -ENOSYS;
1628}
1629
1630/**
1631 * Function called by DRM code called with vbl_lock held.
1632 */
1633void vmw_disable_vblank(struct drm_device *dev, int crtc)
1634{
1635}
1636
1637
1638/*
1639 * Small shared kms functions.
1640 */
1641
1642int vmw_du_update_layout(struct vmw_private *dev_priv, unsigned num,
1643 struct drm_vmw_rect *rects)
1644{
1645 struct drm_device *dev = dev_priv->dev;
1646 struct vmw_display_unit *du;
1647 struct drm_connector *con;
1648
1649 mutex_lock(&dev->mode_config.mutex);
1650
1651#if 0
1652 {
1653 unsigned int i;
1654
1655 DRM_INFO("%s: new layout ", __func__);
1656 for (i = 0; i < num; i++)
1657 DRM_INFO("(%i, %i %ux%u) ", rects[i].x, rects[i].y,
1658 rects[i].w, rects[i].h);
1659 DRM_INFO("\n");
1660 }
1661#endif
1662
1663 list_for_each_entry(con, &dev->mode_config.connector_list, head) {
1664 du = vmw_connector_to_du(con);
1665 if (num > du->unit) {
1666 du->pref_width = rects[du->unit].w;
1667 du->pref_height = rects[du->unit].h;
1668 du->pref_active = true;
1669 du->gui_x = rects[du->unit].x;
1670 du->gui_y = rects[du->unit].y;
1671 } else {
1672 du->pref_width = 800;
1673 du->pref_height = 600;
1674 du->pref_active = false;
1675 }
1676 con->status = vmw_du_connector_detect(con, true);
1677 }
1678
1679 mutex_unlock(&dev->mode_config.mutex);
1680
1681 return 0;
1682}
1683
1684int vmw_du_page_flip(struct drm_crtc *crtc,
1685 struct drm_framebuffer *fb,
1686 struct drm_pending_vblank_event *event)
1687{
1688 struct vmw_private *dev_priv = vmw_priv(crtc->dev);
1689 struct drm_framebuffer *old_fb = crtc->fb;
1690 struct vmw_framebuffer *vfb = vmw_framebuffer_to_vfb(fb);
1691 struct drm_file *file_priv ;
1692 struct vmw_fence_obj *fence = NULL;
1693 struct drm_clip_rect clips;
1694 int ret;
1695
1696 if (event == NULL)
1697 return -EINVAL;
1698
1699 /* require ScreenObject support for page flipping */
1700 if (!dev_priv->sou_priv)
1701 return -ENOSYS;
1702
1703 file_priv = event->base.file_priv;
1704 if (!vmw_kms_screen_object_flippable(dev_priv, crtc))
1705 return -EINVAL;
1706
1707 crtc->fb = fb;
1708
1709 /* do a full screen dirty update */
1710 clips.x1 = clips.y1 = 0;
1711 clips.x2 = fb->width;
1712 clips.y2 = fb->height;
1713
1714 if (vfb->dmabuf)
1715 ret = do_dmabuf_dirty_sou(file_priv, dev_priv, vfb,
1716 0, 0, &clips, 1, 1, &fence);
1717 else
1718 ret = do_surface_dirty_sou(dev_priv, file_priv, vfb,
1719 0, 0, &clips, 1, 1, &fence);
1720
1721
1722 if (ret != 0)
1723 goto out_no_fence;
1724 if (!fence) {
1725 ret = -EINVAL;
1726 goto out_no_fence;
1727 }
1728
1729 ret = vmw_event_fence_action_queue(file_priv, fence,
1730 &event->base,
1731 &event->event.tv_sec,
1732 &event->event.tv_usec,
1733 true);
1734
1735 /*
1736 * No need to hold on to this now. The only cleanup
1737 * we need to do if we fail is unref the fence.
1738 */
1739 vmw_fence_obj_unreference(&fence);
1740
1741 if (vmw_crtc_to_du(crtc)->is_implicit)
1742 vmw_kms_screen_object_update_implicit_fb(dev_priv, crtc);
1743
1744 return ret;
1745
1746out_no_fence:
1747 crtc->fb = old_fb;
1748 return ret;
1749}
1750
1751
1752void vmw_du_crtc_save(struct drm_crtc *crtc)
1753{
1754}
1755
1756void vmw_du_crtc_restore(struct drm_crtc *crtc)
1757{
1758}
1759
1760void vmw_du_crtc_gamma_set(struct drm_crtc *crtc,
1761 u16 *r, u16 *g, u16 *b,
1762 uint32_t start, uint32_t size)
1763{
1764 struct vmw_private *dev_priv = vmw_priv(crtc->dev);
1765 int i;
1766
1767 for (i = 0; i < size; i++) {
1768 DRM_DEBUG("%d r/g/b = 0x%04x / 0x%04x / 0x%04x\n", i,
1769 r[i], g[i], b[i]);
1770 vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 0, r[i] >> 8);
1771 vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 1, g[i] >> 8);
1772 vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 2, b[i] >> 8);
1773 }
1774}
1775
1776void vmw_du_connector_dpms(struct drm_connector *connector, int mode)
1777{
1778}
1779
1780void vmw_du_connector_save(struct drm_connector *connector)
1781{
1782}
1783
1784void vmw_du_connector_restore(struct drm_connector *connector)
1785{
1786}
1787
1788enum drm_connector_status
1789vmw_du_connector_detect(struct drm_connector *connector, bool force)
1790{
1791 uint32_t num_displays;
1792 struct drm_device *dev = connector->dev;
1793 struct vmw_private *dev_priv = vmw_priv(dev);
1794 struct vmw_display_unit *du = vmw_connector_to_du(connector);
1795
1796 mutex_lock(&dev_priv->hw_mutex);
1797 num_displays = vmw_read(dev_priv, SVGA_REG_NUM_DISPLAYS);
1798 mutex_unlock(&dev_priv->hw_mutex);
1799
1800 return ((vmw_connector_to_du(connector)->unit < num_displays &&
1801 du->pref_active) ?
1802 connector_status_connected : connector_status_disconnected);
1803}
1804
1805static struct drm_display_mode vmw_kms_connector_builtin[] = {
1806 /* 640x480@60Hz */
1807 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
1808 752, 800, 0, 480, 489, 492, 525, 0,
1809 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
1810 /* 800x600@60Hz */
1811 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
1812 968, 1056, 0, 600, 601, 605, 628, 0,
1813 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1814 /* 1024x768@60Hz */
1815 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
1816 1184, 1344, 0, 768, 771, 777, 806, 0,
1817 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
1818 /* 1152x864@75Hz */
1819 { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
1820 1344, 1600, 0, 864, 865, 868, 900, 0,
1821 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1822 /* 1280x768@60Hz */
1823 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344,
1824 1472, 1664, 0, 768, 771, 778, 798, 0,
1825 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1826 /* 1280x800@60Hz */
1827 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352,
1828 1480, 1680, 0, 800, 803, 809, 831, 0,
1829 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
1830 /* 1280x960@60Hz */
1831 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376,
1832 1488, 1800, 0, 960, 961, 964, 1000, 0,
1833 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1834 /* 1280x1024@60Hz */
1835 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328,
1836 1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
1837 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1838 /* 1360x768@60Hz */
1839 { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424,
1840 1536, 1792, 0, 768, 771, 777, 795, 0,
1841 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1842 /* 1440x1050@60Hz */
1843 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488,
1844 1632, 1864, 0, 1050, 1053, 1057, 1089, 0,
1845 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1846 /* 1440x900@60Hz */
1847 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520,
1848 1672, 1904, 0, 900, 903, 909, 934, 0,
1849 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1850 /* 1600x1200@60Hz */
1851 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664,
1852 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
1853 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1854 /* 1680x1050@60Hz */
1855 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784,
1856 1960, 2240, 0, 1050, 1053, 1059, 1089, 0,
1857 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1858 /* 1792x1344@60Hz */
1859 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920,
1860 2120, 2448, 0, 1344, 1345, 1348, 1394, 0,
1861 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1862 /* 1853x1392@60Hz */
1863 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952,
1864 2176, 2528, 0, 1392, 1393, 1396, 1439, 0,
1865 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1866 /* 1920x1200@60Hz */
1867 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056,
1868 2256, 2592, 0, 1200, 1203, 1209, 1245, 0,
1869 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1870 /* 1920x1440@60Hz */
1871 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048,
1872 2256, 2600, 0, 1440, 1441, 1444, 1500, 0,
1873 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1874 /* 2560x1600@60Hz */
1875 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752,
1876 3032, 3504, 0, 1600, 1603, 1609, 1658, 0,
1877 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1878 /* Terminate */
1879 { DRM_MODE("", 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0) },
1880};
1881
1882/**
1883 * vmw_guess_mode_timing - Provide fake timings for a
1884 * 60Hz vrefresh mode.
1885 *
1886 * @mode - Pointer to a struct drm_display_mode with hdisplay and vdisplay
1887 * members filled in.
1888 */
1889static void vmw_guess_mode_timing(struct drm_display_mode *mode)
1890{
1891 mode->hsync_start = mode->hdisplay + 50;
1892 mode->hsync_end = mode->hsync_start + 50;
1893 mode->htotal = mode->hsync_end + 50;
1894
1895 mode->vsync_start = mode->vdisplay + 50;
1896 mode->vsync_end = mode->vsync_start + 50;
1897 mode->vtotal = mode->vsync_end + 50;
1898
1899 mode->clock = (u32)mode->htotal * (u32)mode->vtotal / 100 * 6;
1900 mode->vrefresh = drm_mode_vrefresh(mode);
1901}
1902
1903
1904int vmw_du_connector_fill_modes(struct drm_connector *connector,
1905 uint32_t max_width, uint32_t max_height)
1906{
1907 struct vmw_display_unit *du = vmw_connector_to_du(connector);
1908 struct drm_device *dev = connector->dev;
1909 struct vmw_private *dev_priv = vmw_priv(dev);
1910 struct drm_display_mode *mode = NULL;
1911 struct drm_display_mode *bmode;
1912 struct drm_display_mode prefmode = { DRM_MODE("preferred",
1913 DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED,
1914 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
1915 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)
1916 };
1917 int i;
1918
1919 /* Add preferred mode */
1920 {
1921 mode = drm_mode_duplicate(dev, &prefmode);
1922 if (!mode)
1923 return 0;
1924 mode->hdisplay = du->pref_width;
1925 mode->vdisplay = du->pref_height;
1926 vmw_guess_mode_timing(mode);
1927
1928 if (vmw_kms_validate_mode_vram(dev_priv, mode->hdisplay * 2,
1929 mode->vdisplay)) {
1930 drm_mode_probed_add(connector, mode);
1931 } else {
1932 drm_mode_destroy(dev, mode);
1933 mode = NULL;
1934 }
1935
1936 if (du->pref_mode) {
1937 list_del_init(&du->pref_mode->head);
1938 drm_mode_destroy(dev, du->pref_mode);
1939 }
1940
1941 /* mode might be null here, this is intended */
1942 du->pref_mode = mode;
1943 }
1944
1945 for (i = 0; vmw_kms_connector_builtin[i].type != 0; i++) {
1946 bmode = &vmw_kms_connector_builtin[i];
1947 if (bmode->hdisplay > max_width ||
1948 bmode->vdisplay > max_height)
1949 continue;
1950
1951 if (!vmw_kms_validate_mode_vram(dev_priv, bmode->hdisplay * 2,
1952 bmode->vdisplay))
1953 continue;
1954
1955 mode = drm_mode_duplicate(dev, bmode);
1956 if (!mode)
1957 return 0;
1958 mode->vrefresh = drm_mode_vrefresh(mode);
1959
1960 drm_mode_probed_add(connector, mode);
1961 }
1962
1963 /* Move the prefered mode first, help apps pick the right mode. */
1964 if (du->pref_mode)
1965 list_move(&du->pref_mode->head, &connector->probed_modes);
1966
1967 drm_mode_connector_list_update(connector);
1968
1969 return 1;
1970}
1971
1972int vmw_du_connector_set_property(struct drm_connector *connector,
1973 struct drm_property *property,
1974 uint64_t val)
1975{
1976 return 0;
1977}
1978
1979
1980int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
1981 struct drm_file *file_priv)
1982{
1983 struct vmw_private *dev_priv = vmw_priv(dev);
1984 struct drm_vmw_update_layout_arg *arg =
1985 (struct drm_vmw_update_layout_arg *)data;
1986 struct vmw_master *vmaster = vmw_master(file_priv->master);
1987 void __user *user_rects;
1988 struct drm_vmw_rect *rects;
1989 unsigned rects_size;
1990 int ret;
1991 int i;
1992 struct drm_mode_config *mode_config = &dev->mode_config;
1993
1994 ret = ttm_read_lock(&vmaster->lock, true);
1995 if (unlikely(ret != 0))
1996 return ret;
1997
1998 if (!arg->num_outputs) {
1999 struct drm_vmw_rect def_rect = {0, 0, 800, 600};
2000 vmw_du_update_layout(dev_priv, 1, &def_rect);
2001 goto out_unlock;
2002 }
2003
2004 rects_size = arg->num_outputs * sizeof(struct drm_vmw_rect);
2005 rects = kcalloc(arg->num_outputs, sizeof(struct drm_vmw_rect),
2006 GFP_KERNEL);
2007 if (unlikely(!rects)) {
2008 ret = -ENOMEM;
2009 goto out_unlock;
2010 }
2011
2012 user_rects = (void __user *)(unsigned long)arg->rects;
2013 ret = copy_from_user(rects, user_rects, rects_size);
2014 if (unlikely(ret != 0)) {
2015 DRM_ERROR("Failed to get rects.\n");
2016 ret = -EFAULT;
2017 goto out_free;
2018 }
2019
2020 for (i = 0; i < arg->num_outputs; ++i) {
2021 if (rects[i].x < 0 ||
2022 rects[i].y < 0 ||
2023 rects[i].x + rects[i].w > mode_config->max_width ||
2024 rects[i].y + rects[i].h > mode_config->max_height) {
2025 DRM_ERROR("Invalid GUI layout.\n");
2026 ret = -EINVAL;
2027 goto out_free;
2028 }
2029 }
2030
2031 vmw_du_update_layout(dev_priv, arg->num_outputs, rects);
2032
2033out_free:
2034 kfree(rects);
2035out_unlock:
2036 ttm_read_unlock(&vmaster->lock);
2037 return ret;
2038}