1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
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
35static bool qxl_head_enabled(struct qxl_head *head)
36{
37 return head->width && head->height;
38}
39
40static 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 qxl_io_log(qdev,
53 "%s: allocation failure for %u heads\n",
54 __func__, count);
55 return;
56 }
57 }
58 qdev->client_monitors_config->count = count;
59}
60
61enum {
62 MONITORS_CONFIG_MODIFIED,
63 MONITORS_CONFIG_UNCHANGED,
64 MONITORS_CONFIG_BAD_CRC,
65};
66
67static int qxl_display_copy_rom_client_monitors_config(struct qxl_device *qdev)
68{
69 int i;
70 int num_monitors;
71 uint32_t crc;
72 int status = MONITORS_CONFIG_UNCHANGED;
73
74 num_monitors = qdev->rom->client_monitors_config.count;
75 crc = crc32(0, (const uint8_t *)&qdev->rom->client_monitors_config,
76 sizeof(qdev->rom->client_monitors_config));
77 if (crc != qdev->rom->client_monitors_config_crc) {
78 qxl_io_log(qdev, "crc mismatch: have %X (%zd) != %X\n", crc,
79 sizeof(qdev->rom->client_monitors_config),
80 qdev->rom->client_monitors_config_crc);
81 return MONITORS_CONFIG_BAD_CRC;
82 }
83 if (!num_monitors) {
84 DRM_DEBUG_KMS("no client monitors configured\n");
85 return status;
86 }
87 if (num_monitors > qdev->monitors_config->max_allowed) {
88 DRM_DEBUG_KMS("client monitors list will be truncated: %d < %d\n",
89 qdev->monitors_config->max_allowed, num_monitors);
90 num_monitors = qdev->monitors_config->max_allowed;
91 } else {
92 num_monitors = qdev->rom->client_monitors_config.count;
93 }
94 if (qdev->client_monitors_config
95 && (num_monitors != qdev->client_monitors_config->count)) {
96 status = MONITORS_CONFIG_MODIFIED;
97 }
98 qxl_alloc_client_monitors_config(qdev, num_monitors);
99
100 qdev->client_monitors_config->max_allowed =
101 qdev->monitors_config->max_allowed;
102 for (i = 0 ; i < qdev->client_monitors_config->count ; ++i) {
103 struct qxl_urect *c_rect =
104 &qdev->rom->client_monitors_config.heads[i];
105 struct qxl_head *client_head =
106 &qdev->client_monitors_config->heads[i];
107 if (client_head->x != c_rect->left) {
108 client_head->x = c_rect->left;
109 status = MONITORS_CONFIG_MODIFIED;
110 }
111 if (client_head->y != c_rect->top) {
112 client_head->y = c_rect->top;
113 status = MONITORS_CONFIG_MODIFIED;
114 }
115 if (client_head->width != c_rect->right - c_rect->left) {
116 client_head->width = c_rect->right - c_rect->left;
117 status = MONITORS_CONFIG_MODIFIED;
118 }
119 if (client_head->height != c_rect->bottom - c_rect->top) {
120 client_head->height = c_rect->bottom - c_rect->top;
121 status = MONITORS_CONFIG_MODIFIED;
122 }
123 if (client_head->surface_id != 0) {
124 client_head->surface_id = 0;
125 status = MONITORS_CONFIG_MODIFIED;
126 }
127 if (client_head->id != i) {
128 client_head->id = i;
129 status = MONITORS_CONFIG_MODIFIED;
130 }
131 if (client_head->flags != 0) {
132 client_head->flags = 0;
133 status = MONITORS_CONFIG_MODIFIED;
134 }
135 DRM_DEBUG_KMS("read %dx%d+%d+%d\n", client_head->width, client_head->height,
136 client_head->x, client_head->y);
137 }
138
139 return status;
140}
141
142static void qxl_update_offset_props(struct qxl_device *qdev)
143{
144 struct drm_device *dev = &qdev->ddev;
145 struct drm_connector *connector;
146 struct qxl_output *output;
147 struct qxl_head *head;
148
149 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
150 output = drm_connector_to_qxl_output(connector);
151
152 head = &qdev->client_monitors_config->heads[output->index];
153
154 drm_object_property_set_value(&connector->base,
155 dev->mode_config.suggested_x_property, head->x);
156 drm_object_property_set_value(&connector->base,
157 dev->mode_config.suggested_y_property, head->y);
158 }
159}
160
161void qxl_display_read_client_monitors_config(struct qxl_device *qdev)
162{
163 struct drm_device *dev = &qdev->ddev;
164 int status, retries;
165
166 for (retries = 0; retries < 10; retries++) {
167 status = qxl_display_copy_rom_client_monitors_config(qdev);
168 if (status != MONITORS_CONFIG_BAD_CRC)
169 break;
170 udelay(5);
171 }
172 if (status == MONITORS_CONFIG_BAD_CRC) {
173 qxl_io_log(qdev, "config: bad crc\n");
174 DRM_DEBUG_KMS("ignoring client monitors config: bad crc");
175 return;
176 }
177 if (status == MONITORS_CONFIG_UNCHANGED) {
178 qxl_io_log(qdev, "config: unchanged\n");
179 DRM_DEBUG_KMS("ignoring client monitors config: unchanged");
180 return;
181 }
182
183 drm_modeset_lock_all(dev);
184 qxl_update_offset_props(qdev);
185 drm_modeset_unlock_all(dev);
186 if (!drm_helper_hpd_irq_event(dev)) {
187
188
189 drm_kms_helper_hotplug_event(dev);
190 }
191}
192
193static int qxl_add_monitors_config_modes(struct drm_connector *connector,
194 unsigned *pwidth,
195 unsigned *pheight)
196{
197 struct drm_device *dev = connector->dev;
198 struct qxl_device *qdev = dev->dev_private;
199 struct qxl_output *output = drm_connector_to_qxl_output(connector);
200 int h = output->index;
201 struct drm_display_mode *mode = NULL;
202 struct qxl_head *head;
203
204 if (!qdev->monitors_config)
205 return 0;
206 if (h >= qdev->monitors_config->max_allowed)
207 return 0;
208 if (!qdev->client_monitors_config)
209 return 0;
210 if (h >= qdev->client_monitors_config->count)
211 return 0;
212
213 head = &qdev->client_monitors_config->heads[h];
214 DRM_DEBUG_KMS("head %d is %dx%d\n", h, head->width, head->height);
215
216 mode = drm_cvt_mode(dev, head->width, head->height, 60, false, false,
217 false);
218 mode->type |= DRM_MODE_TYPE_PREFERRED;
219 mode->hdisplay = head->width;
220 mode->vdisplay = head->height;
221 drm_mode_set_name(mode);
222 *pwidth = head->width;
223 *pheight = head->height;
224 drm_mode_probed_add(connector, mode);
225
226 qdev->monitors_config_width = mode->hdisplay;
227 qdev->monitors_config_height = mode->vdisplay;
228 return 1;
229}
230
231static struct mode_size {
232 int w;
233 int h;
234} common_modes[] = {
235 { 640, 480},
236 { 720, 480},
237 { 800, 600},
238 { 848, 480},
239 {1024, 768},
240 {1152, 768},
241 {1280, 720},
242 {1280, 800},
243 {1280, 854},
244 {1280, 960},
245 {1280, 1024},
246 {1440, 900},
247 {1400, 1050},
248 {1680, 1050},
249 {1600, 1200},
250 {1920, 1080},
251 {1920, 1200}
252};
253
254static int qxl_add_common_modes(struct drm_connector *connector,
255 unsigned pwidth,
256 unsigned pheight)
257{
258 struct drm_device *dev = connector->dev;
259 struct drm_display_mode *mode = NULL;
260 int i;
261 for (i = 0; i < ARRAY_SIZE(common_modes); i++) {
262 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h,
263 60, false, false, false);
264 if (common_modes[i].w == pwidth && common_modes[i].h == pheight)
265 mode->type |= DRM_MODE_TYPE_PREFERRED;
266 drm_mode_probed_add(connector, mode);
267 }
268 return i - 1;
269}
270
271static void qxl_crtc_atomic_flush(struct drm_crtc *crtc,
272 struct drm_crtc_state *old_crtc_state)
273{
274 struct drm_device *dev = crtc->dev;
275 struct drm_pending_vblank_event *event;
276 unsigned long flags;
277
278 if (crtc->state && crtc->state->event) {
279 event = crtc->state->event;
280 crtc->state->event = NULL;
281
282 spin_lock_irqsave(&dev->event_lock, flags);
283 drm_crtc_send_vblank_event(crtc, event);
284 spin_unlock_irqrestore(&dev->event_lock, flags);
285 }
286}
287
288static void qxl_crtc_destroy(struct drm_crtc *crtc)
289{
290 struct qxl_crtc *qxl_crtc = to_qxl_crtc(crtc);
291
292 qxl_bo_unref(&qxl_crtc->cursor_bo);
293 drm_crtc_cleanup(crtc);
294 kfree(qxl_crtc);
295}
296
297static const struct drm_crtc_funcs qxl_crtc_funcs = {
298 .set_config = drm_atomic_helper_set_config,
299 .destroy = qxl_crtc_destroy,
300 .page_flip = drm_atomic_helper_page_flip,
301 .reset = drm_atomic_helper_crtc_reset,
302 .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
303 .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
304};
305
306void qxl_user_framebuffer_destroy(struct drm_framebuffer *fb)
307{
308 struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb);
309 struct qxl_bo *bo = gem_to_qxl_bo(qxl_fb->obj);
310
311 WARN_ON(bo->shadow);
312 drm_gem_object_unreference_unlocked(qxl_fb->obj);
313 drm_framebuffer_cleanup(fb);
314 kfree(qxl_fb);
315}
316
317static int qxl_framebuffer_surface_dirty(struct drm_framebuffer *fb,
318 struct drm_file *file_priv,
319 unsigned flags, unsigned color,
320 struct drm_clip_rect *clips,
321 unsigned num_clips)
322{
323
324 struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb);
325 struct qxl_device *qdev = qxl_fb->base.dev->dev_private;
326 struct drm_clip_rect norect;
327 struct qxl_bo *qobj;
328 int inc = 1;
329
330 drm_modeset_lock_all(fb->dev);
331
332 qobj = gem_to_qxl_bo(qxl_fb->obj);
333
334 if (!qobj->is_primary) {
335 drm_modeset_unlock_all(fb->dev);
336 return 0;
337 }
338
339 if (!num_clips) {
340 num_clips = 1;
341 clips = &norect;
342 norect.x1 = norect.y1 = 0;
343 norect.x2 = fb->width;
344 norect.y2 = fb->height;
345 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
346 num_clips /= 2;
347 inc = 2;
348 }
349
350 qxl_draw_dirty_fb(qdev, qxl_fb, qobj, flags, color,
351 clips, num_clips, inc);
352
353 drm_modeset_unlock_all(fb->dev);
354
355 return 0;
356}
357
358static const struct drm_framebuffer_funcs qxl_fb_funcs = {
359 .destroy = qxl_user_framebuffer_destroy,
360 .dirty = qxl_framebuffer_surface_dirty,
361
362
363};
364
365int
366qxl_framebuffer_init(struct drm_device *dev,
367 struct qxl_framebuffer *qfb,
368 const struct drm_mode_fb_cmd2 *mode_cmd,
369 struct drm_gem_object *obj,
370 const struct drm_framebuffer_funcs *funcs)
371{
372 int ret;
373
374 qfb->obj = obj;
375 drm_helper_mode_fill_fb_struct(dev, &qfb->base, mode_cmd);
376 ret = drm_framebuffer_init(dev, &qfb->base, funcs);
377 if (ret) {
378 qfb->obj = NULL;
379 return ret;
380 }
381 return 0;
382}
383
384static bool qxl_crtc_mode_fixup(struct drm_crtc *crtc,
385 const struct drm_display_mode *mode,
386 struct drm_display_mode *adjusted_mode)
387{
388 struct drm_device *dev = crtc->dev;
389 struct qxl_device *qdev = dev->dev_private;
390
391 qxl_io_log(qdev, "%s: (%d,%d) => (%d,%d)\n",
392 __func__,
393 mode->hdisplay, mode->vdisplay,
394 adjusted_mode->hdisplay,
395 adjusted_mode->vdisplay);
396 return true;
397}
398
399static void
400qxl_send_monitors_config(struct qxl_device *qdev)
401{
402 int i;
403
404 BUG_ON(!qdev->ram_header->monitors_config);
405
406 if (qdev->monitors_config->count == 0) {
407 qxl_io_log(qdev, "%s: 0 monitors??\n", __func__);
408 return;
409 }
410 for (i = 0 ; i < qdev->monitors_config->count ; ++i) {
411 struct qxl_head *head = &qdev->monitors_config->heads[i];
412
413 if (head->y > 8192 || head->x > 8192 ||
414 head->width > 8192 || head->height > 8192) {
415 DRM_ERROR("head %d wrong: %dx%d+%d+%d\n",
416 i, head->width, head->height,
417 head->x, head->y);
418 return;
419 }
420 }
421 qxl_io_monitors_config(qdev);
422}
423
424static void qxl_monitors_config_set(struct qxl_device *qdev,
425 int index,
426 unsigned x, unsigned y,
427 unsigned width, unsigned height,
428 unsigned surf_id)
429{
430 DRM_DEBUG_KMS("%d:%dx%d+%d+%d\n", index, width, height, x, y);
431 qdev->monitors_config->heads[index].x = x;
432 qdev->monitors_config->heads[index].y = y;
433 qdev->monitors_config->heads[index].width = width;
434 qdev->monitors_config->heads[index].height = height;
435 qdev->monitors_config->heads[index].surface_id = surf_id;
436
437}
438
439static void qxl_mode_set_nofb(struct drm_crtc *crtc)
440{
441 struct qxl_device *qdev = crtc->dev->dev_private;
442 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
443 struct drm_display_mode *mode = &crtc->mode;
444
445 DRM_DEBUG("Mode set (%d,%d)\n",
446 mode->hdisplay, mode->vdisplay);
447
448 qxl_monitors_config_set(qdev, qcrtc->index, 0, 0,
449 mode->hdisplay, mode->vdisplay, 0);
450
451}
452
453static void qxl_crtc_atomic_enable(struct drm_crtc *crtc,
454 struct drm_crtc_state *old_state)
455{
456 DRM_DEBUG("\n");
457}
458
459static void qxl_crtc_atomic_disable(struct drm_crtc *crtc,
460 struct drm_crtc_state *old_state)
461{
462 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
463 struct qxl_device *qdev = crtc->dev->dev_private;
464
465 qxl_monitors_config_set(qdev, qcrtc->index, 0, 0, 0, 0, 0);
466
467 qxl_send_monitors_config(qdev);
468}
469
470static const struct drm_crtc_helper_funcs qxl_crtc_helper_funcs = {
471 .mode_fixup = qxl_crtc_mode_fixup,
472 .mode_set_nofb = qxl_mode_set_nofb,
473 .atomic_flush = qxl_crtc_atomic_flush,
474 .atomic_enable = qxl_crtc_atomic_enable,
475 .atomic_disable = qxl_crtc_atomic_disable,
476};
477
478static int qxl_primary_atomic_check(struct drm_plane *plane,
479 struct drm_plane_state *state)
480{
481 struct qxl_device *qdev = plane->dev->dev_private;
482 struct qxl_framebuffer *qfb;
483 struct qxl_bo *bo;
484
485 if (!state->crtc || !state->fb)
486 return 0;
487
488 qfb = to_qxl_framebuffer(state->fb);
489 bo = gem_to_qxl_bo(qfb->obj);
490
491 if (bo->surf.stride * bo->surf.height > qdev->vram_size) {
492 DRM_ERROR("Mode doesn't fit in vram size (vgamem)");
493 return -EINVAL;
494 }
495
496 return 0;
497}
498
499static int qxl_primary_apply_cursor(struct drm_plane *plane)
500{
501 struct drm_device *dev = plane->dev;
502 struct qxl_device *qdev = dev->dev_private;
503 struct drm_framebuffer *fb = plane->state->fb;
504 struct qxl_crtc *qcrtc = to_qxl_crtc(plane->state->crtc);
505 struct qxl_cursor_cmd *cmd;
506 struct qxl_release *release;
507 int ret = 0;
508
509 if (!qcrtc->cursor_bo)
510 return 0;
511
512 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
513 QXL_RELEASE_CURSOR_CMD,
514 &release, NULL);
515 if (ret)
516 return ret;
517
518 ret = qxl_release_list_add(release, qcrtc->cursor_bo);
519 if (ret)
520 goto out_free_release;
521
522 ret = qxl_release_reserve_list(release, false);
523 if (ret)
524 goto out_free_release;
525
526 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
527 cmd->type = QXL_CURSOR_SET;
528 cmd->u.set.position.x = plane->state->crtc_x + fb->hot_x;
529 cmd->u.set.position.y = plane->state->crtc_y + fb->hot_y;
530
531 cmd->u.set.shape = qxl_bo_physical_address(qdev, qcrtc->cursor_bo, 0);
532
533 cmd->u.set.visible = 1;
534 qxl_release_unmap(qdev, release, &cmd->release_info);
535
536 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
537 qxl_release_fence_buffer_objects(release);
538
539 return ret;
540
541out_free_release:
542 qxl_release_free(qdev, release);
543 return ret;
544}
545
546static void qxl_primary_atomic_update(struct drm_plane *plane,
547 struct drm_plane_state *old_state)
548{
549 struct qxl_device *qdev = plane->dev->dev_private;
550 struct qxl_framebuffer *qfb =
551 to_qxl_framebuffer(plane->state->fb);
552 struct qxl_framebuffer *qfb_old;
553 struct qxl_bo *bo = gem_to_qxl_bo(qfb->obj);
554 struct qxl_bo *bo_old;
555 struct drm_clip_rect norect = {
556 .x1 = 0,
557 .y1 = 0,
558 .x2 = qfb->base.width,
559 .y2 = qfb->base.height
560 };
561 int ret;
562 bool same_shadow = false;
563
564 if (old_state->fb) {
565 qfb_old = to_qxl_framebuffer(old_state->fb);
566 bo_old = gem_to_qxl_bo(qfb_old->obj);
567 } else {
568 bo_old = NULL;
569 }
570
571 if (bo == bo_old)
572 return;
573
574 if (bo_old && bo_old->shadow && bo->shadow &&
575 bo_old->shadow == bo->shadow) {
576 same_shadow = true;
577 }
578
579 if (bo_old && bo_old->is_primary) {
580 if (!same_shadow)
581 qxl_io_destroy_primary(qdev);
582 bo_old->is_primary = false;
583
584 ret = qxl_primary_apply_cursor(plane);
585 if (ret)
586 DRM_ERROR(
587 "could not set cursor after creating primary");
588 }
589
590 if (!bo->is_primary) {
591 if (!same_shadow)
592 qxl_io_create_primary(qdev, 0, bo);
593 bo->is_primary = true;
594 }
595
596 qxl_draw_dirty_fb(qdev, qfb, bo, 0, 0, &norect, 1, 1);
597}
598
599static void qxl_primary_atomic_disable(struct drm_plane *plane,
600 struct drm_plane_state *old_state)
601{
602 struct qxl_device *qdev = plane->dev->dev_private;
603
604 if (old_state->fb) {
605 struct qxl_framebuffer *qfb =
606 to_qxl_framebuffer(old_state->fb);
607 struct qxl_bo *bo = gem_to_qxl_bo(qfb->obj);
608
609 if (bo->is_primary) {
610 qxl_io_destroy_primary(qdev);
611 bo->is_primary = false;
612 }
613 }
614}
615
616static int qxl_plane_atomic_check(struct drm_plane *plane,
617 struct drm_plane_state *state)
618{
619 return 0;
620}
621
622static void qxl_cursor_atomic_update(struct drm_plane *plane,
623 struct drm_plane_state *old_state)
624{
625 struct drm_device *dev = plane->dev;
626 struct qxl_device *qdev = dev->dev_private;
627 struct drm_framebuffer *fb = plane->state->fb;
628 struct qxl_crtc *qcrtc = to_qxl_crtc(plane->state->crtc);
629 struct qxl_release *release;
630 struct qxl_cursor_cmd *cmd;
631 struct qxl_cursor *cursor;
632 struct drm_gem_object *obj;
633 struct qxl_bo *cursor_bo = NULL, *user_bo = NULL;
634 int ret;
635 void *user_ptr;
636 int size = 64*64*4;
637
638 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
639 QXL_RELEASE_CURSOR_CMD,
640 &release, NULL);
641 if (ret)
642 return;
643
644 if (fb != old_state->fb) {
645 obj = to_qxl_framebuffer(fb)->obj;
646 user_bo = gem_to_qxl_bo(obj);
647
648
649 ret = qxl_bo_kmap(user_bo, &user_ptr);
650 if (ret)
651 goto out_free_release;
652
653 ret = qxl_alloc_bo_reserved(qdev, release,
654 sizeof(struct qxl_cursor) + size,
655 &cursor_bo);
656 if (ret)
657 goto out_kunmap;
658
659 ret = qxl_release_reserve_list(release, true);
660 if (ret)
661 goto out_free_bo;
662
663 ret = qxl_bo_kmap(cursor_bo, (void **)&cursor);
664 if (ret)
665 goto out_backoff;
666
667 cursor->header.unique = 0;
668 cursor->header.type = SPICE_CURSOR_TYPE_ALPHA;
669 cursor->header.width = 64;
670 cursor->header.height = 64;
671 cursor->header.hot_spot_x = fb->hot_x;
672 cursor->header.hot_spot_y = fb->hot_y;
673 cursor->data_size = size;
674 cursor->chunk.next_chunk = 0;
675 cursor->chunk.prev_chunk = 0;
676 cursor->chunk.data_size = size;
677 memcpy(cursor->chunk.data, user_ptr, size);
678 qxl_bo_kunmap(cursor_bo);
679 qxl_bo_kunmap(user_bo);
680
681 cmd = (struct qxl_cursor_cmd *) qxl_release_map(qdev, release);
682 cmd->u.set.visible = 1;
683 cmd->u.set.shape = qxl_bo_physical_address(qdev,
684 cursor_bo, 0);
685 cmd->type = QXL_CURSOR_SET;
686
687 qxl_bo_unref(&qcrtc->cursor_bo);
688 qcrtc->cursor_bo = cursor_bo;
689 cursor_bo = NULL;
690 } else {
691
692 ret = qxl_release_reserve_list(release, true);
693 if (ret)
694 goto out_free_release;
695
696 cmd = (struct qxl_cursor_cmd *) qxl_release_map(qdev, release);
697 cmd->type = QXL_CURSOR_MOVE;
698 }
699
700 cmd->u.position.x = plane->state->crtc_x + fb->hot_x;
701 cmd->u.position.y = plane->state->crtc_y + fb->hot_y;
702
703 qxl_release_unmap(qdev, release, &cmd->release_info);
704 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
705 qxl_release_fence_buffer_objects(release);
706
707 qxl_bo_unref(&cursor_bo);
708
709 return;
710
711out_backoff:
712 qxl_release_backoff_reserve_list(release);
713out_free_bo:
714 qxl_bo_unref(&cursor_bo);
715out_kunmap:
716 qxl_bo_kunmap(user_bo);
717out_free_release:
718 qxl_release_free(qdev, release);
719 return;
720
721}
722
723static void qxl_cursor_atomic_disable(struct drm_plane *plane,
724 struct drm_plane_state *old_state)
725{
726 struct qxl_device *qdev = plane->dev->dev_private;
727 struct qxl_release *release;
728 struct qxl_cursor_cmd *cmd;
729 int ret;
730
731 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
732 QXL_RELEASE_CURSOR_CMD,
733 &release, NULL);
734 if (ret)
735 return;
736
737 ret = qxl_release_reserve_list(release, true);
738 if (ret) {
739 qxl_release_free(qdev, release);
740 return;
741 }
742
743 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
744 cmd->type = QXL_CURSOR_HIDE;
745 qxl_release_unmap(qdev, release, &cmd->release_info);
746
747 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
748 qxl_release_fence_buffer_objects(release);
749}
750
751static int qxl_plane_prepare_fb(struct drm_plane *plane,
752 struct drm_plane_state *new_state)
753{
754 struct qxl_device *qdev = plane->dev->dev_private;
755 struct drm_gem_object *obj;
756 struct qxl_bo *user_bo, *old_bo = NULL;
757 int ret;
758
759 if (!new_state->fb)
760 return 0;
761
762 obj = to_qxl_framebuffer(new_state->fb)->obj;
763 user_bo = gem_to_qxl_bo(obj);
764
765 if (plane->type == DRM_PLANE_TYPE_PRIMARY &&
766 user_bo->is_dumb && !user_bo->shadow) {
767 if (plane->state->fb) {
768 obj = to_qxl_framebuffer(plane->state->fb)->obj;
769 old_bo = gem_to_qxl_bo(obj);
770 }
771 if (old_bo && old_bo->shadow &&
772 user_bo->gem_base.size == old_bo->gem_base.size &&
773 plane->state->crtc == new_state->crtc &&
774 plane->state->crtc_w == new_state->crtc_w &&
775 plane->state->crtc_h == new_state->crtc_h &&
776 plane->state->src_x == new_state->src_x &&
777 plane->state->src_y == new_state->src_y &&
778 plane->state->src_w == new_state->src_w &&
779 plane->state->src_h == new_state->src_h &&
780 plane->state->rotation == new_state->rotation &&
781 plane->state->zpos == new_state->zpos) {
782 drm_gem_object_get(&old_bo->shadow->gem_base);
783 user_bo->shadow = old_bo->shadow;
784 } else {
785 qxl_bo_create(qdev, user_bo->gem_base.size,
786 true, true, QXL_GEM_DOMAIN_VRAM, NULL,
787 &user_bo->shadow);
788 }
789 }
790
791 ret = qxl_bo_pin(user_bo, QXL_GEM_DOMAIN_CPU, NULL);
792 if (ret)
793 return ret;
794
795 return 0;
796}
797
798static void qxl_plane_cleanup_fb(struct drm_plane *plane,
799 struct drm_plane_state *old_state)
800{
801 struct drm_gem_object *obj;
802 struct qxl_bo *user_bo;
803
804 if (!old_state->fb) {
805
806
807
808
809 return;
810 }
811
812 obj = to_qxl_framebuffer(old_state->fb)->obj;
813 user_bo = gem_to_qxl_bo(obj);
814 qxl_bo_unpin(user_bo);
815
816 if (user_bo->shadow && !user_bo->is_primary) {
817 drm_gem_object_put_unlocked(&user_bo->shadow->gem_base);
818 user_bo->shadow = NULL;
819 }
820}
821
822static const uint32_t qxl_cursor_plane_formats[] = {
823 DRM_FORMAT_ARGB8888,
824};
825
826static const struct drm_plane_helper_funcs qxl_cursor_helper_funcs = {
827 .atomic_check = qxl_plane_atomic_check,
828 .atomic_update = qxl_cursor_atomic_update,
829 .atomic_disable = qxl_cursor_atomic_disable,
830 .prepare_fb = qxl_plane_prepare_fb,
831 .cleanup_fb = qxl_plane_cleanup_fb,
832};
833
834static const struct drm_plane_funcs qxl_cursor_plane_funcs = {
835 .update_plane = drm_atomic_helper_update_plane,
836 .disable_plane = drm_atomic_helper_disable_plane,
837 .destroy = drm_primary_helper_destroy,
838 .reset = drm_atomic_helper_plane_reset,
839 .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
840 .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
841};
842
843static const uint32_t qxl_primary_plane_formats[] = {
844 DRM_FORMAT_XRGB8888,
845 DRM_FORMAT_ARGB8888,
846};
847
848static const struct drm_plane_helper_funcs primary_helper_funcs = {
849 .atomic_check = qxl_primary_atomic_check,
850 .atomic_update = qxl_primary_atomic_update,
851 .atomic_disable = qxl_primary_atomic_disable,
852 .prepare_fb = qxl_plane_prepare_fb,
853 .cleanup_fb = qxl_plane_cleanup_fb,
854};
855
856static const struct drm_plane_funcs qxl_primary_plane_funcs = {
857 .update_plane = drm_atomic_helper_update_plane,
858 .disable_plane = drm_atomic_helper_disable_plane,
859 .destroy = drm_primary_helper_destroy,
860 .reset = drm_atomic_helper_plane_reset,
861 .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
862 .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
863};
864
865static struct drm_plane *qxl_create_plane(struct qxl_device *qdev,
866 unsigned int possible_crtcs,
867 enum drm_plane_type type)
868{
869 const struct drm_plane_helper_funcs *helper_funcs = NULL;
870 struct drm_plane *plane;
871 const struct drm_plane_funcs *funcs;
872 const uint32_t *formats;
873 int num_formats;
874 int err;
875
876 if (type == DRM_PLANE_TYPE_PRIMARY) {
877 funcs = &qxl_primary_plane_funcs;
878 formats = qxl_primary_plane_formats;
879 num_formats = ARRAY_SIZE(qxl_primary_plane_formats);
880 helper_funcs = &primary_helper_funcs;
881 } else if (type == DRM_PLANE_TYPE_CURSOR) {
882 funcs = &qxl_cursor_plane_funcs;
883 formats = qxl_cursor_plane_formats;
884 helper_funcs = &qxl_cursor_helper_funcs;
885 num_formats = ARRAY_SIZE(qxl_cursor_plane_formats);
886 } else {
887 return ERR_PTR(-EINVAL);
888 }
889
890 plane = kzalloc(sizeof(*plane), GFP_KERNEL);
891 if (!plane)
892 return ERR_PTR(-ENOMEM);
893
894 err = drm_universal_plane_init(&qdev->ddev, plane, possible_crtcs,
895 funcs, formats, num_formats,
896 NULL, type, NULL);
897 if (err)
898 goto free_plane;
899
900 drm_plane_helper_add(plane, helper_funcs);
901
902 return plane;
903
904free_plane:
905 kfree(plane);
906 return ERR_PTR(-EINVAL);
907}
908
909static int qdev_crtc_init(struct drm_device *dev, int crtc_id)
910{
911 struct qxl_crtc *qxl_crtc;
912 struct drm_plane *primary, *cursor;
913 struct qxl_device *qdev = dev->dev_private;
914 int r;
915
916 qxl_crtc = kzalloc(sizeof(struct qxl_crtc), GFP_KERNEL);
917 if (!qxl_crtc)
918 return -ENOMEM;
919
920 primary = qxl_create_plane(qdev, 1 << crtc_id, DRM_PLANE_TYPE_PRIMARY);
921 if (IS_ERR(primary)) {
922 r = -ENOMEM;
923 goto free_mem;
924 }
925
926 cursor = qxl_create_plane(qdev, 1 << crtc_id, DRM_PLANE_TYPE_CURSOR);
927 if (IS_ERR(cursor)) {
928 r = -ENOMEM;
929 goto clean_primary;
930 }
931
932 r = drm_crtc_init_with_planes(dev, &qxl_crtc->base, primary, cursor,
933 &qxl_crtc_funcs, NULL);
934 if (r)
935 goto clean_cursor;
936
937 qxl_crtc->index = crtc_id;
938 drm_crtc_helper_add(&qxl_crtc->base, &qxl_crtc_helper_funcs);
939 return 0;
940
941clean_cursor:
942 drm_plane_cleanup(cursor);
943 kfree(cursor);
944clean_primary:
945 drm_plane_cleanup(primary);
946 kfree(primary);
947free_mem:
948 kfree(qxl_crtc);
949 return r;
950}
951
952static void qxl_enc_dpms(struct drm_encoder *encoder, int mode)
953{
954 DRM_DEBUG("\n");
955}
956
957static void qxl_enc_prepare(struct drm_encoder *encoder)
958{
959 DRM_DEBUG("\n");
960}
961
962static void qxl_write_monitors_config_for_encoder(struct qxl_device *qdev,
963 struct drm_encoder *encoder)
964{
965 int i;
966 struct qxl_output *output = drm_encoder_to_qxl_output(encoder);
967 struct qxl_head *head;
968 struct drm_display_mode *mode;
969
970 BUG_ON(!encoder);
971
972 i = output->index;
973 if (!qdev->monitors_config ||
974 qdev->monitors_config->max_allowed <= i) {
975 DRM_ERROR(
976 "head number too large or missing monitors config: %p, %d",
977 qdev->monitors_config,
978 qdev->monitors_config ?
979 qdev->monitors_config->max_allowed : -1);
980 return;
981 }
982 if (!encoder->crtc) {
983 DRM_ERROR("missing crtc on encoder %p\n", encoder);
984 return;
985 }
986 if (i != 0)
987 DRM_DEBUG("missing for multiple monitors: no head holes\n");
988 head = &qdev->monitors_config->heads[i];
989 head->id = i;
990 if (encoder->crtc->enabled) {
991 mode = &encoder->crtc->mode;
992 head->width = mode->hdisplay;
993 head->height = mode->vdisplay;
994 head->x = encoder->crtc->x;
995 head->y = encoder->crtc->y;
996 if (qdev->monitors_config->count < i + 1)
997 qdev->monitors_config->count = i + 1;
998 } else {
999 head->width = 0;
1000 head->height = 0;
1001 head->x = 0;
1002 head->y = 0;
1003 }
1004 DRM_DEBUG_KMS("setting head %d to +%d+%d %dx%d out of %d\n",
1005 i, head->x, head->y, head->width, head->height, qdev->monitors_config->count);
1006 head->flags = 0;
1007
1008
1009 qxl_send_monitors_config(qdev);
1010}
1011
1012static void qxl_enc_commit(struct drm_encoder *encoder)
1013{
1014 struct qxl_device *qdev = encoder->dev->dev_private;
1015
1016 qxl_write_monitors_config_for_encoder(qdev, encoder);
1017 DRM_DEBUG("\n");
1018}
1019
1020static void qxl_enc_mode_set(struct drm_encoder *encoder,
1021 struct drm_display_mode *mode,
1022 struct drm_display_mode *adjusted_mode)
1023{
1024 DRM_DEBUG("\n");
1025}
1026
1027static int qxl_conn_get_modes(struct drm_connector *connector)
1028{
1029 unsigned pwidth = 1024;
1030 unsigned pheight = 768;
1031 int ret = 0;
1032
1033 ret = qxl_add_monitors_config_modes(connector, &pwidth, &pheight);
1034 if (ret < 0)
1035 return ret;
1036 ret += qxl_add_common_modes(connector, pwidth, pheight);
1037 return ret;
1038}
1039
1040static int qxl_conn_mode_valid(struct drm_connector *connector,
1041 struct drm_display_mode *mode)
1042{
1043 struct drm_device *ddev = connector->dev;
1044 struct qxl_device *qdev = ddev->dev_private;
1045 int i;
1046
1047
1048
1049
1050 if(qdev->monitors_config_width == mode->hdisplay &&
1051 qdev->monitors_config_height == mode->vdisplay)
1052 return MODE_OK;
1053
1054 for (i = 0; i < ARRAY_SIZE(common_modes); i++) {
1055 if (common_modes[i].w == mode->hdisplay && common_modes[i].h == mode->vdisplay)
1056 return MODE_OK;
1057 }
1058 return MODE_BAD;
1059}
1060
1061static struct drm_encoder *qxl_best_encoder(struct drm_connector *connector)
1062{
1063 struct qxl_output *qxl_output =
1064 drm_connector_to_qxl_output(connector);
1065
1066 DRM_DEBUG("\n");
1067 return &qxl_output->enc;
1068}
1069
1070
1071static const struct drm_encoder_helper_funcs qxl_enc_helper_funcs = {
1072 .dpms = qxl_enc_dpms,
1073 .prepare = qxl_enc_prepare,
1074 .mode_set = qxl_enc_mode_set,
1075 .commit = qxl_enc_commit,
1076};
1077
1078static const struct drm_connector_helper_funcs qxl_connector_helper_funcs = {
1079 .get_modes = qxl_conn_get_modes,
1080 .mode_valid = qxl_conn_mode_valid,
1081 .best_encoder = qxl_best_encoder,
1082};
1083
1084static enum drm_connector_status qxl_conn_detect(
1085 struct drm_connector *connector,
1086 bool force)
1087{
1088 struct qxl_output *output =
1089 drm_connector_to_qxl_output(connector);
1090 struct drm_device *ddev = connector->dev;
1091 struct qxl_device *qdev = ddev->dev_private;
1092 bool connected = false;
1093
1094
1095 if (!qdev->client_monitors_config) {
1096 if (output->index == 0)
1097 connected = true;
1098 } else
1099 connected = qdev->client_monitors_config->count > output->index &&
1100 qxl_head_enabled(&qdev->client_monitors_config->heads[output->index]);
1101
1102 DRM_DEBUG("#%d connected: %d\n", output->index, connected);
1103 if (!connected)
1104 qxl_monitors_config_set(qdev, output->index, 0, 0, 0, 0, 0);
1105
1106 return connected ? connector_status_connected
1107 : connector_status_disconnected;
1108}
1109
1110static int qxl_conn_set_property(struct drm_connector *connector,
1111 struct drm_property *property,
1112 uint64_t value)
1113{
1114 DRM_DEBUG("\n");
1115 return 0;
1116}
1117
1118static void qxl_conn_destroy(struct drm_connector *connector)
1119{
1120 struct qxl_output *qxl_output =
1121 drm_connector_to_qxl_output(connector);
1122
1123 drm_connector_unregister(connector);
1124 drm_connector_cleanup(connector);
1125 kfree(qxl_output);
1126}
1127
1128static const struct drm_connector_funcs qxl_connector_funcs = {
1129 .dpms = drm_helper_connector_dpms,
1130 .detect = qxl_conn_detect,
1131 .fill_modes = drm_helper_probe_single_connector_modes,
1132 .set_property = qxl_conn_set_property,
1133 .destroy = qxl_conn_destroy,
1134 .reset = drm_atomic_helper_connector_reset,
1135 .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
1136 .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
1137};
1138
1139static void qxl_enc_destroy(struct drm_encoder *encoder)
1140{
1141 drm_encoder_cleanup(encoder);
1142}
1143
1144static const struct drm_encoder_funcs qxl_enc_funcs = {
1145 .destroy = qxl_enc_destroy,
1146};
1147
1148static int qxl_mode_create_hotplug_mode_update_property(struct qxl_device *qdev)
1149{
1150 if (qdev->hotplug_mode_update_property)
1151 return 0;
1152
1153 qdev->hotplug_mode_update_property =
1154 drm_property_create_range(&qdev->ddev, DRM_MODE_PROP_IMMUTABLE,
1155 "hotplug_mode_update", 0, 1);
1156
1157 return 0;
1158}
1159
1160static int qdev_output_init(struct drm_device *dev, int num_output)
1161{
1162 struct qxl_device *qdev = dev->dev_private;
1163 struct qxl_output *qxl_output;
1164 struct drm_connector *connector;
1165 struct drm_encoder *encoder;
1166
1167 qxl_output = kzalloc(sizeof(struct qxl_output), GFP_KERNEL);
1168 if (!qxl_output)
1169 return -ENOMEM;
1170
1171 qxl_output->index = num_output;
1172
1173 connector = &qxl_output->base;
1174 encoder = &qxl_output->enc;
1175 drm_connector_init(dev, &qxl_output->base,
1176 &qxl_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL);
1177
1178 drm_encoder_init(dev, &qxl_output->enc, &qxl_enc_funcs,
1179 DRM_MODE_ENCODER_VIRTUAL, NULL);
1180
1181
1182 connector->polled = DRM_CONNECTOR_POLL_HPD;
1183 encoder->possible_crtcs = 1 << num_output;
1184 drm_mode_connector_attach_encoder(&qxl_output->base,
1185 &qxl_output->enc);
1186 drm_encoder_helper_add(encoder, &qxl_enc_helper_funcs);
1187 drm_connector_helper_add(connector, &qxl_connector_helper_funcs);
1188
1189 drm_object_attach_property(&connector->base,
1190 qdev->hotplug_mode_update_property, 0);
1191 drm_object_attach_property(&connector->base,
1192 dev->mode_config.suggested_x_property, 0);
1193 drm_object_attach_property(&connector->base,
1194 dev->mode_config.suggested_y_property, 0);
1195 return 0;
1196}
1197
1198static struct drm_framebuffer *
1199qxl_user_framebuffer_create(struct drm_device *dev,
1200 struct drm_file *file_priv,
1201 const struct drm_mode_fb_cmd2 *mode_cmd)
1202{
1203 struct drm_gem_object *obj;
1204 struct qxl_framebuffer *qxl_fb;
1205 int ret;
1206
1207 obj = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]);
1208 if (!obj)
1209 return NULL;
1210
1211 qxl_fb = kzalloc(sizeof(*qxl_fb), GFP_KERNEL);
1212 if (qxl_fb == NULL)
1213 return NULL;
1214
1215 ret = qxl_framebuffer_init(dev, qxl_fb, mode_cmd, obj, &qxl_fb_funcs);
1216 if (ret) {
1217 kfree(qxl_fb);
1218 drm_gem_object_unreference_unlocked(obj);
1219 return NULL;
1220 }
1221
1222 return &qxl_fb->base;
1223}
1224
1225static const struct drm_mode_config_funcs qxl_mode_funcs = {
1226 .fb_create = qxl_user_framebuffer_create,
1227 .atomic_check = drm_atomic_helper_check,
1228 .atomic_commit = drm_atomic_helper_commit,
1229};
1230
1231int qxl_create_monitors_object(struct qxl_device *qdev)
1232{
1233 int ret;
1234 struct drm_gem_object *gobj;
1235 int max_allowed = qxl_num_crtc;
1236 int monitors_config_size = sizeof(struct qxl_monitors_config) +
1237 max_allowed * sizeof(struct qxl_head);
1238
1239 ret = qxl_gem_object_create(qdev, monitors_config_size, 0,
1240 QXL_GEM_DOMAIN_VRAM,
1241 false, false, NULL, &gobj);
1242 if (ret) {
1243 DRM_ERROR("%s: failed to create gem ret=%d\n", __func__, ret);
1244 return -ENOMEM;
1245 }
1246 qdev->monitors_config_bo = gem_to_qxl_bo(gobj);
1247
1248 ret = qxl_bo_pin(qdev->monitors_config_bo, QXL_GEM_DOMAIN_VRAM, NULL);
1249 if (ret)
1250 return ret;
1251
1252 qxl_bo_kmap(qdev->monitors_config_bo, NULL);
1253
1254 qdev->monitors_config = qdev->monitors_config_bo->kptr;
1255 qdev->ram_header->monitors_config =
1256 qxl_bo_physical_address(qdev, qdev->monitors_config_bo, 0);
1257
1258 memset(qdev->monitors_config, 0, monitors_config_size);
1259 qdev->monitors_config->max_allowed = max_allowed;
1260 return 0;
1261}
1262
1263int qxl_destroy_monitors_object(struct qxl_device *qdev)
1264{
1265 int ret;
1266
1267 qdev->monitors_config = NULL;
1268 qdev->ram_header->monitors_config = 0;
1269
1270 qxl_bo_kunmap(qdev->monitors_config_bo);
1271 ret = qxl_bo_unpin(qdev->monitors_config_bo);
1272 if (ret)
1273 return ret;
1274
1275 qxl_bo_unref(&qdev->monitors_config_bo);
1276 return 0;
1277}
1278
1279int qxl_modeset_init(struct qxl_device *qdev)
1280{
1281 int i;
1282 int ret;
1283
1284 drm_mode_config_init(&qdev->ddev);
1285
1286 ret = qxl_create_monitors_object(qdev);
1287 if (ret)
1288 return ret;
1289
1290 qdev->ddev.mode_config.funcs = (void *)&qxl_mode_funcs;
1291
1292
1293 qdev->ddev.mode_config.min_width = 0;
1294 qdev->ddev.mode_config.min_height = 0;
1295 qdev->ddev.mode_config.max_width = 8192;
1296 qdev->ddev.mode_config.max_height = 8192;
1297
1298 qdev->ddev.mode_config.fb_base = qdev->vram_base;
1299
1300 drm_mode_create_suggested_offset_properties(&qdev->ddev);
1301 qxl_mode_create_hotplug_mode_update_property(qdev);
1302
1303 for (i = 0 ; i < qxl_num_crtc; ++i) {
1304 qdev_crtc_init(&qdev->ddev, i);
1305 qdev_output_init(&qdev->ddev, i);
1306 }
1307
1308 qxl_display_read_client_monitors_config(qdev);
1309 qdev->mode_info.mode_config_initialized = true;
1310
1311 drm_mode_config_reset(&qdev->ddev);
1312
1313
1314
1315
1316 qxl_fbdev_init(qdev);
1317 return 0;
1318}
1319
1320void qxl_modeset_fini(struct qxl_device *qdev)
1321{
1322 qxl_fbdev_fini(qdev);
1323
1324 qxl_destroy_monitors_object(qdev);
1325 if (qdev->mode_info.mode_config_initialized) {
1326 drm_mode_config_cleanup(&qdev->ddev);
1327 qdev->mode_info.mode_config_initialized = false;
1328 }
1329}
1330
