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Linux 4.19.133
[linux/fpc-iii.git] / drivers / gpu / drm / qxl / qxl_display.c
blob769e12b4c13c58be10572003930ad0459da771df
1 /*
2 * Copyright 2013 Red Hat Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Authors: Dave Airlie
23 * Alon Levy
24 */
25
26 #include <linux/crc32.h>
27 #include <drm/drm_crtc_helper.h>
28 #include <drm/drm_plane_helper.h>
29 #include <drm/drm_atomic_helper.h>
30 #include <drm/drm_atomic.h>
31
32 #include "qxl_drv.h"
33 #include "qxl_object.h"
34
35 static bool qxl_head_enabled(struct qxl_head *head)
36 {
37 return head->width && head->height;
38 }
39
40 static void qxl_alloc_client_monitors_config(struct qxl_device *qdev, unsigned count)
41 {
42 if (qdev->client_monitors_config &&
43 count > qdev->client_monitors_config->count) {
44 kfree(qdev->client_monitors_config);
45 qdev->client_monitors_config = NULL;
46 }
47 if (!qdev->client_monitors_config) {
48 qdev->client_monitors_config = kzalloc(
49 sizeof(struct qxl_monitors_config) +
50 sizeof(struct qxl_head) * count, GFP_KERNEL);
51 if (!qdev->client_monitors_config)
52 return;
53 }
54 qdev->client_monitors_config->count = count;
55 }
56
57 enum {
58 MONITORS_CONFIG_MODIFIED,
59 MONITORS_CONFIG_UNCHANGED,
60 MONITORS_CONFIG_BAD_CRC,
61 };
62
63 static int qxl_display_copy_rom_client_monitors_config(struct qxl_device *qdev)
64 {
65 int i;
66 int num_monitors;
67 uint32_t crc;
68 int status = MONITORS_CONFIG_UNCHANGED;
69
70 num_monitors = qdev->rom->client_monitors_config.count;
71 crc = crc32(0, (const uint8_t *)&qdev->rom->client_monitors_config,
72 sizeof(qdev->rom->client_monitors_config));
73 if (crc != qdev->rom->client_monitors_config_crc)
74 return MONITORS_CONFIG_BAD_CRC;
75 if (!num_monitors) {
76 DRM_DEBUG_KMS("no client monitors configured\n");
77 return status;
78 }
79 if (num_monitors > qdev->monitors_config->max_allowed) {
80 DRM_DEBUG_KMS("client monitors list will be truncated: %d < %d\n",
81 qdev->monitors_config->max_allowed, num_monitors);
82 num_monitors = qdev->monitors_config->max_allowed;
83 } else {
84 num_monitors = qdev->rom->client_monitors_config.count;
85 }
86 if (qdev->client_monitors_config
87 && (num_monitors != qdev->client_monitors_config->count)) {
88 status = MONITORS_CONFIG_MODIFIED;
89 }
90 qxl_alloc_client_monitors_config(qdev, num_monitors);
91 /* we copy max from the client but it isn't used */
92 qdev->client_monitors_config->max_allowed =
93 qdev->monitors_config->max_allowed;
94 for (i = 0 ; i < qdev->client_monitors_config->count ; ++i) {
95 struct qxl_urect *c_rect =
96 &qdev->rom->client_monitors_config.heads[i];
97 struct qxl_head *client_head =
98 &qdev->client_monitors_config->heads[i];
99 if (client_head->x != c_rect->left) {
100 client_head->x = c_rect->left;
101 status = MONITORS_CONFIG_MODIFIED;
102 }
103 if (client_head->y != c_rect->top) {
104 client_head->y = c_rect->top;
105 status = MONITORS_CONFIG_MODIFIED;
106 }
107 if (client_head->width != c_rect->right - c_rect->left) {
108 client_head->width = c_rect->right - c_rect->left;
109 status = MONITORS_CONFIG_MODIFIED;
110 }
111 if (client_head->height != c_rect->bottom - c_rect->top) {
112 client_head->height = c_rect->bottom - c_rect->top;
113 status = MONITORS_CONFIG_MODIFIED;
114 }
115 if (client_head->surface_id != 0) {
116 client_head->surface_id = 0;
117 status = MONITORS_CONFIG_MODIFIED;
118 }
119 if (client_head->id != i) {
120 client_head->id = i;
121 status = MONITORS_CONFIG_MODIFIED;
122 }
123 if (client_head->flags != 0) {
124 client_head->flags = 0;
125 status = MONITORS_CONFIG_MODIFIED;
126 }
127 DRM_DEBUG_KMS("read %dx%d+%d+%d\n", client_head->width, client_head->height,
128 client_head->x, client_head->y);
129 }
130
131 return status;
132 }
133
134 static void qxl_update_offset_props(struct qxl_device *qdev)
135 {
136 struct drm_device *dev = &qdev->ddev;
137 struct drm_connector *connector;
138 struct qxl_output *output;
139 struct qxl_head *head;
140
141 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
142 output = drm_connector_to_qxl_output(connector);
143
144 head = &qdev->client_monitors_config->heads[output->index];
145
146 drm_object_property_set_value(&connector->base,
147 dev->mode_config.suggested_x_property, head->x);
148 drm_object_property_set_value(&connector->base,
149 dev->mode_config.suggested_y_property, head->y);
150 }
151 }
152
153 void qxl_display_read_client_monitors_config(struct qxl_device *qdev)
154 {
155 struct drm_device *dev = &qdev->ddev;
156 int status, retries;
157
158 for (retries = 0; retries < 10; retries++) {
159 status = qxl_display_copy_rom_client_monitors_config(qdev);
160 if (status != MONITORS_CONFIG_BAD_CRC)
161 break;
162 udelay(5);
163 }
164 if (status == MONITORS_CONFIG_BAD_CRC) {
165 DRM_DEBUG_KMS("ignoring client monitors config: bad crc");
166 return;
167 }
168 if (status == MONITORS_CONFIG_UNCHANGED) {
169 DRM_DEBUG_KMS("ignoring client monitors config: unchanged");
170 return;
171 }
172
173 drm_modeset_lock_all(dev);
174 qxl_update_offset_props(qdev);
175 drm_modeset_unlock_all(dev);
176 if (!drm_helper_hpd_irq_event(dev)) {
177 /* notify that the monitor configuration changed, to
178 adjust at the arbitrary resolution */
179 drm_kms_helper_hotplug_event(dev);
180 }
181 }
182
183 static int qxl_add_monitors_config_modes(struct drm_connector *connector,
184 unsigned *pwidth,
185 unsigned *pheight)
186 {
187 struct drm_device *dev = connector->dev;
188 struct qxl_device *qdev = dev->dev_private;
189 struct qxl_output *output = drm_connector_to_qxl_output(connector);
190 int h = output->index;
191 struct drm_display_mode *mode = NULL;
192 struct qxl_head *head;
193
194 if (!qdev->monitors_config)
195 return 0;
196 if (h >= qdev->monitors_config->max_allowed)
197 return 0;
198 if (!qdev->client_monitors_config)
199 return 0;
200 if (h >= qdev->client_monitors_config->count)
201 return 0;
202
203 head = &qdev->client_monitors_config->heads[h];
204 DRM_DEBUG_KMS("head %d is %dx%d\n", h, head->width, head->height);
205
206 mode = drm_cvt_mode(dev, head->width, head->height, 60, false, false,
207 false);
208 mode->type |= DRM_MODE_TYPE_PREFERRED;
209 mode->hdisplay = head->width;
210 mode->vdisplay = head->height;
211 drm_mode_set_name(mode);
212 *pwidth = head->width;
213 *pheight = head->height;
214 drm_mode_probed_add(connector, mode);
215 /* remember the last custom size for mode validation */
216 qdev->monitors_config_width = mode->hdisplay;
217 qdev->monitors_config_height = mode->vdisplay;
218 return 1;
219 }
220
221 static struct mode_size {
222 int w;
223 int h;
224 } common_modes[] = {
225 { 640, 480},
226 { 720, 480},
227 { 800, 600},
228 { 848, 480},
229 {1024, 768},
230 {1152, 768},
231 {1280, 720},
232 {1280, 800},
233 {1280, 854},
234 {1280, 960},
235 {1280, 1024},
236 {1440, 900},
237 {1400, 1050},
238 {1680, 1050},
239 {1600, 1200},
240 {1920, 1080},
241 {1920, 1200}
242 };
243
244 static int qxl_add_common_modes(struct drm_connector *connector,
245 unsigned pwidth,
246 unsigned pheight)
247 {
248 struct drm_device *dev = connector->dev;
249 struct drm_display_mode *mode = NULL;
250 int i;
251 for (i = 0; i < ARRAY_SIZE(common_modes); i++) {
252 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h,
253 60, false, false, false);
254 if (common_modes[i].w == pwidth && common_modes[i].h == pheight)
255 mode->type |= DRM_MODE_TYPE_PREFERRED;
256 drm_mode_probed_add(connector, mode);
257 }
258 return i - 1;
259 }
260
261 static void qxl_send_monitors_config(struct qxl_device *qdev)
262 {
263 int i;
264
265 BUG_ON(!qdev->ram_header->monitors_config);
266
267 if (qdev->monitors_config->count == 0)
268 return;
269
270 for (i = 0 ; i < qdev->monitors_config->count ; ++i) {
271 struct qxl_head *head = &qdev->monitors_config->heads[i];
272
273 if (head->y > 8192 || head->x > 8192 ||
274 head->width > 8192 || head->height > 8192) {
275 DRM_ERROR("head %d wrong: %dx%d+%d+%d\n",
276 i, head->width, head->height,
277 head->x, head->y);
278 return;
279 }
280 }
281 qxl_io_monitors_config(qdev);
282 }
283
284 static void qxl_crtc_update_monitors_config(struct drm_crtc *crtc,
285 const char *reason)
286 {
287 struct drm_device *dev = crtc->dev;
288 struct qxl_device *qdev = dev->dev_private;
289 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
290 struct qxl_head head;
291 int oldcount, i = qcrtc->index;
292
293 if (!qdev->primary_created) {
294 DRM_DEBUG_KMS("no primary surface, skip (%s)\n", reason);
295 return;
296 }
297
298 if (!qdev->monitors_config ||
299 qdev->monitors_config->max_allowed <= i)
300 return;
301
302 head.id = i;
303 head.flags = 0;
304 oldcount = qdev->monitors_config->count;
305 if (crtc->state->active) {
306 struct drm_display_mode *mode = &crtc->mode;
307 head.width = mode->hdisplay;
308 head.height = mode->vdisplay;
309 head.x = crtc->x;
310 head.y = crtc->y;
311 if (qdev->monitors_config->count < i + 1)
312 qdev->monitors_config->count = i + 1;
313 } else if (i > 0) {
314 head.width = 0;
315 head.height = 0;
316 head.x = 0;
317 head.y = 0;
318 if (qdev->monitors_config->count == i + 1)
319 qdev->monitors_config->count = i;
320 } else {
321 DRM_DEBUG_KMS("inactive head 0, skip (%s)\n", reason);
322 return;
323 }
324
325 if (head.width == qdev->monitors_config->heads[i].width &&
326 head.height == qdev->monitors_config->heads[i].height &&
327 head.x == qdev->monitors_config->heads[i].x &&
328 head.y == qdev->monitors_config->heads[i].y &&
329 oldcount == qdev->monitors_config->count)
330 return;
331
332 DRM_DEBUG_KMS("head %d, %dx%d, at +%d+%d, %s (%s)\n",
333 i, head.width, head.height, head.x, head.y,
334 crtc->state->active ? "on" : "off", reason);
335 if (oldcount != qdev->monitors_config->count)
336 DRM_DEBUG_KMS("active heads %d -> %d (%d total)\n",
337 oldcount, qdev->monitors_config->count,
338 qdev->monitors_config->max_allowed);
339
340 qdev->monitors_config->heads[i] = head;
341 qxl_send_monitors_config(qdev);
342 }
343
344 static void qxl_crtc_atomic_flush(struct drm_crtc *crtc,
345 struct drm_crtc_state *old_crtc_state)
346 {
347 struct drm_device *dev = crtc->dev;
348 struct drm_pending_vblank_event *event;
349 unsigned long flags;
350
351 if (crtc->state && crtc->state->event) {
352 event = crtc->state->event;
353 crtc->state->event = NULL;
354
355 spin_lock_irqsave(&dev->event_lock, flags);
356 drm_crtc_send_vblank_event(crtc, event);
357 spin_unlock_irqrestore(&dev->event_lock, flags);
358 }
359
360 qxl_crtc_update_monitors_config(crtc, "flush");
361 }
362
363 static void qxl_crtc_destroy(struct drm_crtc *crtc)
364 {
365 struct qxl_crtc *qxl_crtc = to_qxl_crtc(crtc);
366
367 qxl_bo_unref(&qxl_crtc->cursor_bo);
368 drm_crtc_cleanup(crtc);
369 kfree(qxl_crtc);
370 }
371
372 static const struct drm_crtc_funcs qxl_crtc_funcs = {
373 .set_config = drm_atomic_helper_set_config,
374 .destroy = qxl_crtc_destroy,
375 .page_flip = drm_atomic_helper_page_flip,
376 .reset = drm_atomic_helper_crtc_reset,
377 .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
378 .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
379 };
380
381 void qxl_user_framebuffer_destroy(struct drm_framebuffer *fb)
382 {
383 struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb);
384 struct qxl_bo *bo = gem_to_qxl_bo(qxl_fb->obj);
385
386 WARN_ON(bo->shadow);
387 drm_gem_object_put_unlocked(qxl_fb->obj);
388 drm_framebuffer_cleanup(fb);
389 kfree(qxl_fb);
390 }
391
392 static int qxl_framebuffer_surface_dirty(struct drm_framebuffer *fb,
393 struct drm_file *file_priv,
394 unsigned flags, unsigned color,
395 struct drm_clip_rect *clips,
396 unsigned num_clips)
397 {
398 /* TODO: vmwgfx where this was cribbed from had locking. Why? */
399 struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb);
400 struct qxl_device *qdev = qxl_fb->base.dev->dev_private;
401 struct drm_clip_rect norect;
402 struct qxl_bo *qobj;
403 int inc = 1;
404
405 drm_modeset_lock_all(fb->dev);
406
407 qobj = gem_to_qxl_bo(qxl_fb->obj);
408 /* if we aren't primary surface ignore this */
409 if (!qobj->is_primary) {
410 drm_modeset_unlock_all(fb->dev);
411 return 0;
412 }
413
414 if (!num_clips) {
415 num_clips = 1;
416 clips = &norect;
417 norect.x1 = norect.y1 = 0;
418 norect.x2 = fb->width;
419 norect.y2 = fb->height;
420 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
421 num_clips /= 2;
422 inc = 2; /* skip source rects */
423 }
424
425 qxl_draw_dirty_fb(qdev, qxl_fb, qobj, flags, color,
426 clips, num_clips, inc);
427
428 drm_modeset_unlock_all(fb->dev);
429
430 return 0;
431 }
432
433 static const struct drm_framebuffer_funcs qxl_fb_funcs = {
434 .destroy = qxl_user_framebuffer_destroy,
435 .dirty = qxl_framebuffer_surface_dirty,
436 /* TODO?
437 * .create_handle = qxl_user_framebuffer_create_handle, */
438 };
439
440 int
441 qxl_framebuffer_init(struct drm_device *dev,
442 struct qxl_framebuffer *qfb,
443 const struct drm_mode_fb_cmd2 *mode_cmd,
444 struct drm_gem_object *obj,
445 const struct drm_framebuffer_funcs *funcs)
446 {
447 int ret;
448
449 qfb->obj = obj;
450 drm_helper_mode_fill_fb_struct(dev, &qfb->base, mode_cmd);
451 ret = drm_framebuffer_init(dev, &qfb->base, funcs);
452 if (ret) {
453 qfb->obj = NULL;
454 return ret;
455 }
456 return 0;
457 }
458
459 static void qxl_crtc_atomic_enable(struct drm_crtc *crtc,
460 struct drm_crtc_state *old_state)
461 {
462 qxl_crtc_update_monitors_config(crtc, "enable");
463 }
464
465 static void qxl_crtc_atomic_disable(struct drm_crtc *crtc,
466 struct drm_crtc_state *old_state)
467 {
468 qxl_crtc_update_monitors_config(crtc, "disable");
469 }
470
471 static const struct drm_crtc_helper_funcs qxl_crtc_helper_funcs = {
472 .atomic_flush = qxl_crtc_atomic_flush,
473 .atomic_enable = qxl_crtc_atomic_enable,
474 .atomic_disable = qxl_crtc_atomic_disable,
475 };
476
477 static int qxl_primary_atomic_check(struct drm_plane *plane,
478 struct drm_plane_state *state)
479 {
480 struct qxl_device *qdev = plane->dev->dev_private;
481 struct qxl_framebuffer *qfb;
482 struct qxl_bo *bo;
483
484 if (!state->crtc || !state->fb)
485 return 0;
486
487 qfb = to_qxl_framebuffer(state->fb);
488 bo = gem_to_qxl_bo(qfb->obj);
489
490 if (bo->surf.stride * bo->surf.height > qdev->vram_size) {
491 DRM_ERROR("Mode doesn't fit in vram size (vgamem)");
492 return -EINVAL;
493 }
494
495 return 0;
496 }
497
498 static int qxl_primary_apply_cursor(struct drm_plane *plane)
499 {
500 struct drm_device *dev = plane->dev;
501 struct qxl_device *qdev = dev->dev_private;
502 struct drm_framebuffer *fb = plane->state->fb;
503 struct qxl_crtc *qcrtc = to_qxl_crtc(plane->state->crtc);
504 struct qxl_cursor_cmd *cmd;
505 struct qxl_release *release;
506 int ret = 0;
507
508 if (!qcrtc->cursor_bo)
509 return 0;
510
511 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
512 QXL_RELEASE_CURSOR_CMD,
513 &release, NULL);
514 if (ret)
515 return ret;
516
517 ret = qxl_release_list_add(release, qcrtc->cursor_bo);
518 if (ret)
519 goto out_free_release;
520
521 ret = qxl_release_reserve_list(release, false);
522 if (ret)
523 goto out_free_release;
524
525 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
526 cmd->type = QXL_CURSOR_SET;
527 cmd->u.set.position.x = plane->state->crtc_x + fb->hot_x;
528 cmd->u.set.position.y = plane->state->crtc_y + fb->hot_y;
529
530 cmd->u.set.shape = qxl_bo_physical_address(qdev, qcrtc->cursor_bo, 0);
531
532 cmd->u.set.visible = 1;
533 qxl_release_unmap(qdev, release, &cmd->release_info);
534
535 qxl_release_fence_buffer_objects(release);
536 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
537
538 return ret;
539
540 out_free_release:
541 qxl_release_free(qdev, release);
542 return ret;
543 }
544
545 static void qxl_primary_atomic_update(struct drm_plane *plane,
546 struct drm_plane_state *old_state)
547 {
548 struct qxl_device *qdev = plane->dev->dev_private;
549 struct qxl_framebuffer *qfb =
550 to_qxl_framebuffer(plane->state->fb);
551 struct qxl_framebuffer *qfb_old;
552 struct qxl_bo *bo = gem_to_qxl_bo(qfb->obj);
553 struct qxl_bo *bo_old;
554 struct drm_clip_rect norect = {
555 .x1 = 0,
556 .y1 = 0,
557 .x2 = qfb->base.width,
558 .y2 = qfb->base.height
559 };
560 int ret;
561 bool same_shadow = false;
562
563 if (old_state->fb) {
564 qfb_old = to_qxl_framebuffer(old_state->fb);
565 bo_old = gem_to_qxl_bo(qfb_old->obj);
566 } else {
567 bo_old = NULL;
568 }
569
570 if (bo == bo_old)
571 return;
572
573 if (bo_old && bo_old->shadow && bo->shadow &&
574 bo_old->shadow == bo->shadow) {
575 same_shadow = true;
576 }
577
578 if (bo_old && bo_old->is_primary) {
579 if (!same_shadow)
580 qxl_io_destroy_primary(qdev);
581 bo_old->is_primary = false;
582
583 ret = qxl_primary_apply_cursor(plane);
584 if (ret)
585 DRM_ERROR(
586 "could not set cursor after creating primary");
587 }
588
589 if (!bo->is_primary) {
590 if (!same_shadow)
591 qxl_io_create_primary(qdev, 0, bo);
592 bo->is_primary = true;
593 }
594
595 qxl_draw_dirty_fb(qdev, qfb, bo, 0, 0, &norect, 1, 1);
596 }
597
598 static void qxl_primary_atomic_disable(struct drm_plane *plane,
599 struct drm_plane_state *old_state)
600 {
601 struct qxl_device *qdev = plane->dev->dev_private;
602
603 if (old_state->fb) {
604 struct qxl_framebuffer *qfb =
605 to_qxl_framebuffer(old_state->fb);
606 struct qxl_bo *bo = gem_to_qxl_bo(qfb->obj);
607
608 if (bo->is_primary) {
609 qxl_io_destroy_primary(qdev);
610 bo->is_primary = false;
611 }
612 }
613 }
614
615 static void qxl_cursor_atomic_update(struct drm_plane *plane,
616 struct drm_plane_state *old_state)
617 {
618 struct drm_device *dev = plane->dev;
619 struct qxl_device *qdev = dev->dev_private;
620 struct drm_framebuffer *fb = plane->state->fb;
621 struct qxl_crtc *qcrtc = to_qxl_crtc(plane->state->crtc);
622 struct qxl_release *release;
623 struct qxl_cursor_cmd *cmd;
624 struct qxl_cursor *cursor;
625 struct drm_gem_object *obj;
626 struct qxl_bo *cursor_bo = NULL, *user_bo = NULL, *old_cursor_bo = NULL;
627 int ret;
628 void *user_ptr;
629 int size = 64*64*4;
630
631 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
632 QXL_RELEASE_CURSOR_CMD,
633 &release, NULL);
634 if (ret)
635 return;
636
637 if (fb != old_state->fb) {
638 obj = to_qxl_framebuffer(fb)->obj;
639 user_bo = gem_to_qxl_bo(obj);
640
641 /* pinning is done in the prepare/cleanup framevbuffer */
642 ret = qxl_bo_kmap(user_bo, &user_ptr);
643 if (ret)
644 goto out_free_release;
645
646 ret = qxl_alloc_bo_reserved(qdev, release,
647 sizeof(struct qxl_cursor) + size,
648 &cursor_bo);
649 if (ret)
650 goto out_kunmap;
651
652 ret = qxl_release_reserve_list(release, true);
653 if (ret)
654 goto out_free_bo;
655
656 ret = qxl_bo_kmap(cursor_bo, (void **)&cursor);
657 if (ret)
658 goto out_backoff;
659
660 cursor->header.unique = 0;
661 cursor->header.type = SPICE_CURSOR_TYPE_ALPHA;
662 cursor->header.width = 64;
663 cursor->header.height = 64;
664 cursor->header.hot_spot_x = fb->hot_x;
665 cursor->header.hot_spot_y = fb->hot_y;
666 cursor->data_size = size;
667 cursor->chunk.next_chunk = 0;
668 cursor->chunk.prev_chunk = 0;
669 cursor->chunk.data_size = size;
670 memcpy(cursor->chunk.data, user_ptr, size);
671 qxl_bo_kunmap(cursor_bo);
672 qxl_bo_kunmap(user_bo);
673
674 cmd = (struct qxl_cursor_cmd *) qxl_release_map(qdev, release);
675 cmd->u.set.visible = 1;
676 cmd->u.set.shape = qxl_bo_physical_address(qdev,
677 cursor_bo, 0);
678 cmd->type = QXL_CURSOR_SET;
679
680 old_cursor_bo = qcrtc->cursor_bo;
681 qcrtc->cursor_bo = cursor_bo;
682 cursor_bo = NULL;
683 } else {
684
685 ret = qxl_release_reserve_list(release, true);
686 if (ret)
687 goto out_free_release;
688
689 cmd = (struct qxl_cursor_cmd *) qxl_release_map(qdev, release);
690 cmd->type = QXL_CURSOR_MOVE;
691 }
692
693 cmd->u.position.x = plane->state->crtc_x + fb->hot_x;
694 cmd->u.position.y = plane->state->crtc_y + fb->hot_y;
695
696 qxl_release_unmap(qdev, release, &cmd->release_info);
697 qxl_release_fence_buffer_objects(release);
698 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
699
700 if (old_cursor_bo)
701 qxl_bo_unref(&old_cursor_bo);
702
703 qxl_bo_unref(&cursor_bo);
704
705 return;
706
707 out_backoff:
708 qxl_release_backoff_reserve_list(release);
709 out_free_bo:
710 qxl_bo_unref(&cursor_bo);
711 out_kunmap:
712 qxl_bo_kunmap(user_bo);
713 out_free_release:
714 qxl_release_free(qdev, release);
715 return;
716
717 }
718
719 static void qxl_cursor_atomic_disable(struct drm_plane *plane,
720 struct drm_plane_state *old_state)
721 {
722 struct qxl_device *qdev = plane->dev->dev_private;
723 struct qxl_release *release;
724 struct qxl_cursor_cmd *cmd;
725 int ret;
726
727 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
728 QXL_RELEASE_CURSOR_CMD,
729 &release, NULL);
730 if (ret)
731 return;
732
733 ret = qxl_release_reserve_list(release, true);
734 if (ret) {
735 qxl_release_free(qdev, release);
736 return;
737 }
738
739 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
740 cmd->type = QXL_CURSOR_HIDE;
741 qxl_release_unmap(qdev, release, &cmd->release_info);
742
743 qxl_release_fence_buffer_objects(release);
744 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
745 }
746
747 static int qxl_plane_prepare_fb(struct drm_plane *plane,
748 struct drm_plane_state *new_state)
749 {
750 struct qxl_device *qdev = plane->dev->dev_private;
751 struct drm_gem_object *obj;
752 struct qxl_bo *user_bo, *old_bo = NULL;
753 int ret;
754
755 if (!new_state->fb)
756 return 0;
757
758 obj = to_qxl_framebuffer(new_state->fb)->obj;
759 user_bo = gem_to_qxl_bo(obj);
760
761 if (plane->type == DRM_PLANE_TYPE_PRIMARY &&
762 user_bo->is_dumb && !user_bo->shadow) {
763 if (plane->state->fb) {
764 obj = to_qxl_framebuffer(plane->state->fb)->obj;
765 old_bo = gem_to_qxl_bo(obj);
766 }
767 if (old_bo && old_bo->shadow &&
768 user_bo->gem_base.size == old_bo->gem_base.size &&
769 plane->state->crtc == new_state->crtc &&
770 plane->state->crtc_w == new_state->crtc_w &&
771 plane->state->crtc_h == new_state->crtc_h &&
772 plane->state->src_x == new_state->src_x &&
773 plane->state->src_y == new_state->src_y &&
774 plane->state->src_w == new_state->src_w &&
775 plane->state->src_h == new_state->src_h &&
776 plane->state->rotation == new_state->rotation &&
777 plane->state->zpos == new_state->zpos) {
778 drm_gem_object_get(&old_bo->shadow->gem_base);
779 user_bo->shadow = old_bo->shadow;
780 } else {
781 qxl_bo_create(qdev, user_bo->gem_base.size,
782 true, true, QXL_GEM_DOMAIN_VRAM, NULL,
783 &user_bo->shadow);
784 }
785 }
786
787 ret = qxl_bo_pin(user_bo, QXL_GEM_DOMAIN_CPU, NULL);
788 if (ret)
789 return ret;
790
791 return 0;
792 }
793
794 static void qxl_plane_cleanup_fb(struct drm_plane *plane,
795 struct drm_plane_state *old_state)
796 {
797 struct drm_gem_object *obj;
798 struct qxl_bo *user_bo;
799
800 if (!old_state->fb) {
801 /*
802 * we never executed prepare_fb, so there's nothing to
803 * unpin.
804 */
805 return;
806 }
807
808 obj = to_qxl_framebuffer(old_state->fb)->obj;
809 user_bo = gem_to_qxl_bo(obj);
810 qxl_bo_unpin(user_bo);
811
812 if (user_bo->shadow && !user_bo->is_primary) {
813 drm_gem_object_put_unlocked(&user_bo->shadow->gem_base);
814 user_bo->shadow = NULL;
815 }
816 }
817
818 static const uint32_t qxl_cursor_plane_formats[] = {
819 DRM_FORMAT_ARGB8888,
820 };
821
822 static const struct drm_plane_helper_funcs qxl_cursor_helper_funcs = {
823 .atomic_update = qxl_cursor_atomic_update,
824 .atomic_disable = qxl_cursor_atomic_disable,
825 .prepare_fb = qxl_plane_prepare_fb,
826 .cleanup_fb = qxl_plane_cleanup_fb,
827 };
828
829 static const struct drm_plane_funcs qxl_cursor_plane_funcs = {
830 .update_plane = drm_atomic_helper_update_plane,
831 .disable_plane = drm_atomic_helper_disable_plane,
832 .destroy = drm_primary_helper_destroy,
833 .reset = drm_atomic_helper_plane_reset,
834 .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
835 .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
836 };
837
838 static const uint32_t qxl_primary_plane_formats[] = {
839 DRM_FORMAT_XRGB8888,
840 DRM_FORMAT_ARGB8888,
841 };
842
843 static const struct drm_plane_helper_funcs primary_helper_funcs = {
844 .atomic_check = qxl_primary_atomic_check,
845 .atomic_update = qxl_primary_atomic_update,
846 .atomic_disable = qxl_primary_atomic_disable,
847 .prepare_fb = qxl_plane_prepare_fb,
848 .cleanup_fb = qxl_plane_cleanup_fb,
849 };
850
851 static const struct drm_plane_funcs qxl_primary_plane_funcs = {
852 .update_plane = drm_atomic_helper_update_plane,
853 .disable_plane = drm_atomic_helper_disable_plane,
854 .destroy = drm_primary_helper_destroy,
855 .reset = drm_atomic_helper_plane_reset,
856 .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
857 .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
858 };
859
860 static struct drm_plane *qxl_create_plane(struct qxl_device *qdev,
861 unsigned int possible_crtcs,
862 enum drm_plane_type type)
863 {
864 const struct drm_plane_helper_funcs *helper_funcs = NULL;
865 struct drm_plane *plane;
866 const struct drm_plane_funcs *funcs;
867 const uint32_t *formats;
868 int num_formats;
869 int err;
870
871 if (type == DRM_PLANE_TYPE_PRIMARY) {
872 funcs = &qxl_primary_plane_funcs;
873 formats = qxl_primary_plane_formats;
874 num_formats = ARRAY_SIZE(qxl_primary_plane_formats);
875 helper_funcs = &primary_helper_funcs;
876 } else if (type == DRM_PLANE_TYPE_CURSOR) {
877 funcs = &qxl_cursor_plane_funcs;
878 formats = qxl_cursor_plane_formats;
879 helper_funcs = &qxl_cursor_helper_funcs;
880 num_formats = ARRAY_SIZE(qxl_cursor_plane_formats);
881 } else {
882 return ERR_PTR(-EINVAL);
883 }
884
885 plane = kzalloc(sizeof(*plane), GFP_KERNEL);
886 if (!plane)
887 return ERR_PTR(-ENOMEM);
888
889 err = drm_universal_plane_init(&qdev->ddev, plane, possible_crtcs,
890 funcs, formats, num_formats,
891 NULL, type, NULL);
892 if (err)
893 goto free_plane;
894
895 drm_plane_helper_add(plane, helper_funcs);
896
897 return plane;
898
899 free_plane:
900 kfree(plane);
901 return ERR_PTR(-EINVAL);
902 }
903
904 static int qdev_crtc_init(struct drm_device *dev, int crtc_id)
905 {
906 struct qxl_crtc *qxl_crtc;
907 struct drm_plane *primary, *cursor;
908 struct qxl_device *qdev = dev->dev_private;
909 int r;
910
911 qxl_crtc = kzalloc(sizeof(struct qxl_crtc), GFP_KERNEL);
912 if (!qxl_crtc)
913 return -ENOMEM;
914
915 primary = qxl_create_plane(qdev, 1 << crtc_id, DRM_PLANE_TYPE_PRIMARY);
916 if (IS_ERR(primary)) {
917 r = -ENOMEM;
918 goto free_mem;
919 }
920
921 cursor = qxl_create_plane(qdev, 1 << crtc_id, DRM_PLANE_TYPE_CURSOR);
922 if (IS_ERR(cursor)) {
923 r = -ENOMEM;
924 goto clean_primary;
925 }
926
927 r = drm_crtc_init_with_planes(dev, &qxl_crtc->base, primary, cursor,
928 &qxl_crtc_funcs, NULL);
929 if (r)
930 goto clean_cursor;
931
932 qxl_crtc->index = crtc_id;
933 drm_crtc_helper_add(&qxl_crtc->base, &qxl_crtc_helper_funcs);
934 return 0;
935
936 clean_cursor:
937 drm_plane_cleanup(cursor);
938 kfree(cursor);
939 clean_primary:
940 drm_plane_cleanup(primary);
941 kfree(primary);
942 free_mem:
943 kfree(qxl_crtc);
944 return r;
945 }
946
947 static int qxl_conn_get_modes(struct drm_connector *connector)
948 {
949 unsigned pwidth = 1024;
950 unsigned pheight = 768;
951 int ret = 0;
952
953 ret = qxl_add_monitors_config_modes(connector, &pwidth, &pheight);
954 if (ret < 0)
955 return ret;
956 ret += qxl_add_common_modes(connector, pwidth, pheight);
957 return ret;
958 }
959
960 static enum drm_mode_status qxl_conn_mode_valid(struct drm_connector *connector,
961 struct drm_display_mode *mode)
962 {
963 struct drm_device *ddev = connector->dev;
964 struct qxl_device *qdev = ddev->dev_private;
965 int i;
966
967 /* TODO: is this called for user defined modes? (xrandr --add-mode)
968 * TODO: check that the mode fits in the framebuffer */
969
970 if(qdev->monitors_config_width == mode->hdisplay &&
971 qdev->monitors_config_height == mode->vdisplay)
972 return MODE_OK;
973
974 for (i = 0; i < ARRAY_SIZE(common_modes); i++) {
975 if (common_modes[i].w == mode->hdisplay && common_modes[i].h == mode->vdisplay)
976 return MODE_OK;
977 }
978 return MODE_BAD;
979 }
980
981 static struct drm_encoder *qxl_best_encoder(struct drm_connector *connector)
982 {
983 struct qxl_output *qxl_output =
984 drm_connector_to_qxl_output(connector);
985
986 DRM_DEBUG("\n");
987 return &qxl_output->enc;
988 }
989
990
991 static const struct drm_encoder_helper_funcs qxl_enc_helper_funcs = {
992 };
993
994 static const struct drm_connector_helper_funcs qxl_connector_helper_funcs = {
995 .get_modes = qxl_conn_get_modes,
996 .mode_valid = qxl_conn_mode_valid,
997 .best_encoder = qxl_best_encoder,
998 };
999
1000 static enum drm_connector_status qxl_conn_detect(
1001 struct drm_connector *connector,
1002 bool force)
1003 {
1004 struct qxl_output *output =
1005 drm_connector_to_qxl_output(connector);
1006 struct drm_device *ddev = connector->dev;
1007 struct qxl_device *qdev = ddev->dev_private;
1008 bool connected = false;
1009
1010 /* The first monitor is always connected */
1011 if (!qdev->client_monitors_config) {
1012 if (output->index == 0)
1013 connected = true;
1014 } else
1015 connected = qdev->client_monitors_config->count > output->index &&
1016 qxl_head_enabled(&qdev->client_monitors_config->heads[output->index]);
1017
1018 DRM_DEBUG("#%d connected: %d\n", output->index, connected);
1019
1020 return connected ? connector_status_connected
1021 : connector_status_disconnected;
1022 }
1023
1024 static void qxl_conn_destroy(struct drm_connector *connector)
1025 {
1026 struct qxl_output *qxl_output =
1027 drm_connector_to_qxl_output(connector);
1028
1029 drm_connector_unregister(connector);
1030 drm_connector_cleanup(connector);
1031 kfree(qxl_output);
1032 }
1033
1034 static const struct drm_connector_funcs qxl_connector_funcs = {
1035 .dpms = drm_helper_connector_dpms,
1036 .detect = qxl_conn_detect,
1037 .fill_modes = drm_helper_probe_single_connector_modes,
1038 .destroy = qxl_conn_destroy,
1039 .reset = drm_atomic_helper_connector_reset,
1040 .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
1041 .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
1042 };
1043
1044 static void qxl_enc_destroy(struct drm_encoder *encoder)
1045 {
1046 drm_encoder_cleanup(encoder);
1047 }
1048
1049 static const struct drm_encoder_funcs qxl_enc_funcs = {
1050 .destroy = qxl_enc_destroy,
1051 };
1052
1053 static int qxl_mode_create_hotplug_mode_update_property(struct qxl_device *qdev)
1054 {
1055 if (qdev->hotplug_mode_update_property)
1056 return 0;
1057
1058 qdev->hotplug_mode_update_property =
1059 drm_property_create_range(&qdev->ddev, DRM_MODE_PROP_IMMUTABLE,
1060 "hotplug_mode_update", 0, 1);
1061
1062 return 0;
1063 }
1064
1065 static int qdev_output_init(struct drm_device *dev, int num_output)
1066 {
1067 struct qxl_device *qdev = dev->dev_private;
1068 struct qxl_output *qxl_output;
1069 struct drm_connector *connector;
1070 struct drm_encoder *encoder;
1071
1072 qxl_output = kzalloc(sizeof(struct qxl_output), GFP_KERNEL);
1073 if (!qxl_output)
1074 return -ENOMEM;
1075
1076 qxl_output->index = num_output;
1077
1078 connector = &qxl_output->base;
1079 encoder = &qxl_output->enc;
1080 drm_connector_init(dev, &qxl_output->base,
1081 &qxl_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL);
1082
1083 drm_encoder_init(dev, &qxl_output->enc, &qxl_enc_funcs,
1084 DRM_MODE_ENCODER_VIRTUAL, NULL);
1085
1086 /* we get HPD via client monitors config */
1087 connector->polled = DRM_CONNECTOR_POLL_HPD;
1088 encoder->possible_crtcs = 1 << num_output;
1089 drm_connector_attach_encoder(&qxl_output->base,
1090 &qxl_output->enc);
1091 drm_encoder_helper_add(encoder, &qxl_enc_helper_funcs);
1092 drm_connector_helper_add(connector, &qxl_connector_helper_funcs);
1093
1094 drm_object_attach_property(&connector->base,
1095 qdev->hotplug_mode_update_property, 0);
1096 drm_object_attach_property(&connector->base,
1097 dev->mode_config.suggested_x_property, 0);
1098 drm_object_attach_property(&connector->base,
1099 dev->mode_config.suggested_y_property, 0);
1100 return 0;
1101 }
1102
1103 static struct drm_framebuffer *
1104 qxl_user_framebuffer_create(struct drm_device *dev,
1105 struct drm_file *file_priv,
1106 const struct drm_mode_fb_cmd2 *mode_cmd)
1107 {
1108 struct drm_gem_object *obj;
1109 struct qxl_framebuffer *qxl_fb;
1110 int ret;
1111
1112 obj = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]);
1113 if (!obj)
1114 return NULL;
1115
1116 qxl_fb = kzalloc(sizeof(*qxl_fb), GFP_KERNEL);
1117 if (qxl_fb == NULL)
1118 return NULL;
1119
1120 ret = qxl_framebuffer_init(dev, qxl_fb, mode_cmd, obj, &qxl_fb_funcs);
1121 if (ret) {
1122 kfree(qxl_fb);
1123 drm_gem_object_put_unlocked(obj);
1124 return NULL;
1125 }
1126
1127 return &qxl_fb->base;
1128 }
1129
1130 static const struct drm_mode_config_funcs qxl_mode_funcs = {
1131 .fb_create = qxl_user_framebuffer_create,
1132 .atomic_check = drm_atomic_helper_check,
1133 .atomic_commit = drm_atomic_helper_commit,
1134 };
1135
1136 int qxl_create_monitors_object(struct qxl_device *qdev)
1137 {
1138 int ret;
1139 struct drm_gem_object *gobj;
1140 int max_allowed = qxl_num_crtc;
1141 int monitors_config_size = sizeof(struct qxl_monitors_config) +
1142 max_allowed * sizeof(struct qxl_head);
1143
1144 ret = qxl_gem_object_create(qdev, monitors_config_size, 0,
1145 QXL_GEM_DOMAIN_VRAM,
1146 false, false, NULL, &gobj);
1147 if (ret) {
1148 DRM_ERROR("%s: failed to create gem ret=%d\n", __func__, ret);
1149 return -ENOMEM;
1150 }
1151 qdev->monitors_config_bo = gem_to_qxl_bo(gobj);
1152
1153 ret = qxl_bo_pin(qdev->monitors_config_bo, QXL_GEM_DOMAIN_VRAM, NULL);
1154 if (ret)
1155 return ret;
1156
1157 qxl_bo_kmap(qdev->monitors_config_bo, NULL);
1158
1159 qdev->monitors_config = qdev->monitors_config_bo->kptr;
1160 qdev->ram_header->monitors_config =
1161 qxl_bo_physical_address(qdev, qdev->monitors_config_bo, 0);
1162
1163 memset(qdev->monitors_config, 0, monitors_config_size);
1164 qdev->monitors_config->max_allowed = max_allowed;
1165 return 0;
1166 }
1167
1168 int qxl_destroy_monitors_object(struct qxl_device *qdev)
1169 {
1170 int ret;
1171
1172 qdev->monitors_config = NULL;
1173 qdev->ram_header->monitors_config = 0;
1174
1175 qxl_bo_kunmap(qdev->monitors_config_bo);
1176 ret = qxl_bo_unpin(qdev->monitors_config_bo);
1177 if (ret)
1178 return ret;
1179
1180 qxl_bo_unref(&qdev->monitors_config_bo);
1181 return 0;
1182 }
1183
1184 int qxl_modeset_init(struct qxl_device *qdev)
1185 {
1186 int i;
1187 int ret;
1188
1189 drm_mode_config_init(&qdev->ddev);
1190
1191 ret = qxl_create_monitors_object(qdev);
1192 if (ret)
1193 return ret;
1194
1195 qdev->ddev.mode_config.funcs = (void *)&qxl_mode_funcs;
1196
1197 /* modes will be validated against the framebuffer size */
1198 qdev->ddev.mode_config.min_width = 0;
1199 qdev->ddev.mode_config.min_height = 0;
1200 qdev->ddev.mode_config.max_width = 8192;
1201 qdev->ddev.mode_config.max_height = 8192;
1202
1203 qdev->ddev.mode_config.fb_base = qdev->vram_base;
1204
1205 drm_mode_create_suggested_offset_properties(&qdev->ddev);
1206 qxl_mode_create_hotplug_mode_update_property(qdev);
1207
1208 for (i = 0 ; i < qxl_num_crtc; ++i) {
1209 qdev_crtc_init(&qdev->ddev, i);
1210 qdev_output_init(&qdev->ddev, i);
1211 }
1212
1213 qxl_display_read_client_monitors_config(qdev);
1214 qdev->mode_info.mode_config_initialized = true;
1215
1216 drm_mode_config_reset(&qdev->ddev);
1217
1218 /* primary surface must be created by this point, to allow
1219 * issuing command queue commands and having them read by
1220 * spice server. */
1221 qxl_fbdev_init(qdev);
1222 return 0;
1223 }
1224
1225 void qxl_modeset_fini(struct qxl_device *qdev)
1226 {
1227 qxl_fbdev_fini(qdev);
1228
1229 qxl_destroy_monitors_object(qdev);
1230 if (qdev->mode_info.mode_config_initialized) {
1231 drm_mode_config_cleanup(&qdev->ddev);
1232 qdev->mode_info.mode_config_initialized = false;
1233 }
1234 }
Linux with added FPC-III support