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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 <linux/delay.h>
28
29#include <drm/drm_atomic.h>
30#include <drm/drm_atomic_helper.h>
31#include <drm/drm_gem_framebuffer_helper.h>
32#include <drm/drm_plane_helper.h>
33#include <drm/drm_probe_helper.h>
34#include <drm/drm_vblank.h>
35
36#include "qxl_drv.h"
37#include "qxl_object.h"
38
39static bool qxl_head_enabled(struct qxl_head *head)
40{
41 return head->width && head->height;
42}
43
44static int qxl_alloc_client_monitors_config(struct qxl_device *qdev,
45 unsigned int count)
46{
47 if (qdev->client_monitors_config &&
48 count > qdev->client_monitors_config->count) {
49 kfree(qdev->client_monitors_config);
50 qdev->client_monitors_config = NULL;
51 }
52 if (!qdev->client_monitors_config) {
53 qdev->client_monitors_config = kzalloc(
54 struct_size(qdev->client_monitors_config,
55 heads, count), GFP_KERNEL);
56 if (!qdev->client_monitors_config)
57 return -ENOMEM;
58 }
59 qdev->client_monitors_config->count = count;
60 return 0;
61}
62
63enum {
64 MONITORS_CONFIG_MODIFIED,
65 MONITORS_CONFIG_UNCHANGED,
66 MONITORS_CONFIG_BAD_CRC,
67 MONITORS_CONFIG_ERROR,
68};
69
70static int qxl_display_copy_rom_client_monitors_config(struct qxl_device *qdev)
71{
72 int i;
73 int num_monitors;
74 uint32_t crc;
75 int status = MONITORS_CONFIG_UNCHANGED;
76
77 num_monitors = qdev->rom->client_monitors_config.count;
78 crc = crc32(0, (const uint8_t *)&qdev->rom->client_monitors_config,
79 sizeof(qdev->rom->client_monitors_config));
80 if (crc != qdev->rom->client_monitors_config_crc)
81 return MONITORS_CONFIG_BAD_CRC;
82 if (!num_monitors) {
83 DRM_DEBUG_KMS("no client monitors configured\n");
84 return status;
85 }
86 if (num_monitors > qxl_num_crtc) {
87 DRM_DEBUG_KMS("client monitors list will be truncated: %d < %d\n",
88 qxl_num_crtc, num_monitors);
89 num_monitors = qxl_num_crtc;
90 } else {
91 num_monitors = qdev->rom->client_monitors_config.count;
92 }
93 if (qdev->client_monitors_config
94 && (num_monitors != qdev->client_monitors_config->count)) {
95 status = MONITORS_CONFIG_MODIFIED;
96 }
97 if (qxl_alloc_client_monitors_config(qdev, num_monitors)) {
98 status = MONITORS_CONFIG_ERROR;
99 return status;
100 }
101 /* we copy max from the client but it isn't used */
102 qdev->client_monitors_config->max_allowed = qxl_num_crtc;
103 for (i = 0 ; i < qdev->client_monitors_config->count ; ++i) {
104 struct qxl_urect *c_rect =
105 &qdev->rom->client_monitors_config.heads[i];
106 struct qxl_head *client_head =
107 &qdev->client_monitors_config->heads[i];
108 if (client_head->x != c_rect->left) {
109 client_head->x = c_rect->left;
110 status = MONITORS_CONFIG_MODIFIED;
111 }
112 if (client_head->y != c_rect->top) {
113 client_head->y = c_rect->top;
114 status = MONITORS_CONFIG_MODIFIED;
115 }
116 if (client_head->width != c_rect->right - c_rect->left) {
117 client_head->width = c_rect->right - c_rect->left;
118 status = MONITORS_CONFIG_MODIFIED;
119 }
120 if (client_head->height != c_rect->bottom - c_rect->top) {
121 client_head->height = c_rect->bottom - c_rect->top;
122 status = MONITORS_CONFIG_MODIFIED;
123 }
124 if (client_head->surface_id != 0) {
125 client_head->surface_id = 0;
126 status = MONITORS_CONFIG_MODIFIED;
127 }
128 if (client_head->id != i) {
129 client_head->id = i;
130 status = MONITORS_CONFIG_MODIFIED;
131 }
132 if (client_head->flags != 0) {
133 client_head->flags = 0;
134 status = MONITORS_CONFIG_MODIFIED;
135 }
136 DRM_DEBUG_KMS("read %dx%d+%d+%d\n", client_head->width, client_head->height,
137 client_head->x, client_head->y);
138 }
139
140 return status;
141}
142
143static void qxl_update_offset_props(struct qxl_device *qdev)
144{
145 struct drm_device *dev = &qdev->ddev;
146 struct drm_connector *connector;
147 struct qxl_output *output;
148 struct qxl_head *head;
149
150 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
151 output = drm_connector_to_qxl_output(connector);
152
153 head = &qdev->client_monitors_config->heads[output->index];
154
155 drm_object_property_set_value(&connector->base,
156 dev->mode_config.suggested_x_property, head->x);
157 drm_object_property_set_value(&connector->base,
158 dev->mode_config.suggested_y_property, head->y);
159 }
160}
161
162void qxl_display_read_client_monitors_config(struct qxl_device *qdev)
163{
164 struct drm_device *dev = &qdev->ddev;
165 int status, retries;
166
167 for (retries = 0; retries < 10; retries++) {
168 status = qxl_display_copy_rom_client_monitors_config(qdev);
169 if (status != MONITORS_CONFIG_BAD_CRC)
170 break;
171 udelay(5);
172 }
173 if (status == MONITORS_CONFIG_ERROR) {
174 DRM_DEBUG_KMS("ignoring client monitors config: error");
175 return;
176 }
177 if (status == MONITORS_CONFIG_BAD_CRC) {
178 DRM_DEBUG_KMS("ignoring client monitors config: bad crc");
179 return;
180 }
181 if (status == MONITORS_CONFIG_UNCHANGED) {
182 DRM_DEBUG_KMS("ignoring client monitors config: unchanged");
183 return;
184 }
185
186 drm_modeset_lock_all(dev);
187 qxl_update_offset_props(qdev);
188 drm_modeset_unlock_all(dev);
189 if (!drm_helper_hpd_irq_event(dev)) {
190 /* notify that the monitor configuration changed, to
191 adjust at the arbitrary resolution */
192 drm_kms_helper_hotplug_event(dev);
193 }
194}
195
196static int qxl_check_mode(struct qxl_device *qdev,
197 unsigned int width,
198 unsigned int height)
199{
200 unsigned int stride;
201 unsigned int size;
202
203 if (check_mul_overflow(width, 4u, &stride))
204 return -EINVAL;
205 if (check_mul_overflow(stride, height, &size))
206 return -EINVAL;
207 if (size > qdev->vram_size)
208 return -ENOMEM;
209 return 0;
210}
211
212static int qxl_check_framebuffer(struct qxl_device *qdev,
213 struct qxl_bo *bo)
214{
215 return qxl_check_mode(qdev, bo->surf.width, bo->surf.height);
216}
217
218static int qxl_add_mode(struct drm_connector *connector,
219 unsigned int width,
220 unsigned int height,
221 bool preferred)
222{
223 struct drm_device *dev = connector->dev;
224 struct qxl_device *qdev = dev->dev_private;
225 struct drm_display_mode *mode = NULL;
226 int rc;
227
228 rc = qxl_check_mode(qdev, width, height);
229 if (rc != 0)
230 return 0;
231
232 mode = drm_cvt_mode(dev, width, height, 60, false, false, false);
233 if (preferred)
234 mode->type |= DRM_MODE_TYPE_PREFERRED;
235 mode->hdisplay = width;
236 mode->vdisplay = height;
237 drm_mode_set_name(mode);
238 drm_mode_probed_add(connector, mode);
239 return 1;
240}
241
242static int qxl_add_monitors_config_modes(struct drm_connector *connector)
243{
244 struct drm_device *dev = connector->dev;
245 struct qxl_device *qdev = dev->dev_private;
246 struct qxl_output *output = drm_connector_to_qxl_output(connector);
247 int h = output->index;
248 struct qxl_head *head;
249
250 if (!qdev->monitors_config)
251 return 0;
252 if (h >= qxl_num_crtc)
253 return 0;
254 if (!qdev->client_monitors_config)
255 return 0;
256 if (h >= qdev->client_monitors_config->count)
257 return 0;
258
259 head = &qdev->client_monitors_config->heads[h];
260 DRM_DEBUG_KMS("head %d is %dx%d\n", h, head->width, head->height);
261
262 return qxl_add_mode(connector, head->width, head->height, true);
263}
264
265static struct mode_size {
266 int w;
267 int h;
268} extra_modes[] = {
269 { 720, 480},
270 {1152, 768},
271 {1280, 854},
272};
273
274static int qxl_add_extra_modes(struct drm_connector *connector)
275{
276 int i, ret = 0;
277
278 for (i = 0; i < ARRAY_SIZE(extra_modes); i++)
279 ret += qxl_add_mode(connector,
280 extra_modes[i].w,
281 extra_modes[i].h,
282 false);
283 return ret;
284}
285
286static void qxl_send_monitors_config(struct qxl_device *qdev)
287{
288 int i;
289
290 BUG_ON(!qdev->ram_header->monitors_config);
291
292 if (qdev->monitors_config->count == 0)
293 return;
294
295 for (i = 0 ; i < qdev->monitors_config->count ; ++i) {
296 struct qxl_head *head = &qdev->monitors_config->heads[i];
297
298 if (head->y > 8192 || head->x > 8192 ||
299 head->width > 8192 || head->height > 8192) {
300 DRM_ERROR("head %d wrong: %dx%d+%d+%d\n",
301 i, head->width, head->height,
302 head->x, head->y);
303 return;
304 }
305 }
306 qxl_io_monitors_config(qdev);
307}
308
309static void qxl_crtc_update_monitors_config(struct drm_crtc *crtc,
310 const char *reason)
311{
312 struct drm_device *dev = crtc->dev;
313 struct qxl_device *qdev = dev->dev_private;
314 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
315 struct qxl_head head;
316 int oldcount, i = qcrtc->index;
317
318 if (!qdev->primary_bo) {
319 DRM_DEBUG_KMS("no primary surface, skip (%s)\n", reason);
320 return;
321 }
322
323 if (!qdev->monitors_config || qxl_num_crtc <= i)
324 return;
325
326 head.id = i;
327 head.flags = 0;
328 oldcount = qdev->monitors_config->count;
329 if (crtc->state->active) {
330 struct drm_display_mode *mode = &crtc->mode;
331
332 head.width = mode->hdisplay;
333 head.height = mode->vdisplay;
334 head.x = crtc->x;
335 head.y = crtc->y;
336 if (qdev->monitors_config->count < i + 1)
337 qdev->monitors_config->count = i + 1;
338 if (qdev->primary_bo == qdev->dumb_shadow_bo)
339 head.x += qdev->dumb_heads[i].x;
340 } else if (i > 0) {
341 head.width = 0;
342 head.height = 0;
343 head.x = 0;
344 head.y = 0;
345 if (qdev->monitors_config->count == i + 1)
346 qdev->monitors_config->count = i;
347 } else {
348 DRM_DEBUG_KMS("inactive head 0, skip (%s)\n", reason);
349 return;
350 }
351
352 if (head.width == qdev->monitors_config->heads[i].width &&
353 head.height == qdev->monitors_config->heads[i].height &&
354 head.x == qdev->monitors_config->heads[i].x &&
355 head.y == qdev->monitors_config->heads[i].y &&
356 oldcount == qdev->monitors_config->count)
357 return;
358
359 DRM_DEBUG_KMS("head %d, %dx%d, at +%d+%d, %s (%s)\n",
360 i, head.width, head.height, head.x, head.y,
361 crtc->state->active ? "on" : "off", reason);
362 if (oldcount != qdev->monitors_config->count)
363 DRM_DEBUG_KMS("active heads %d -> %d (%d total)\n",
364 oldcount, qdev->monitors_config->count,
365 qxl_num_crtc);
366
367 qdev->monitors_config->heads[i] = head;
368 qdev->monitors_config->max_allowed = qxl_num_crtc;
369 qxl_send_monitors_config(qdev);
370}
371
372static void qxl_crtc_atomic_flush(struct drm_crtc *crtc,
373 struct drm_crtc_state *old_crtc_state)
374{
375 struct drm_device *dev = crtc->dev;
376 struct drm_pending_vblank_event *event;
377 unsigned long flags;
378
379 if (crtc->state && crtc->state->event) {
380 event = crtc->state->event;
381 crtc->state->event = NULL;
382
383 spin_lock_irqsave(&dev->event_lock, flags);
384 drm_crtc_send_vblank_event(crtc, event);
385 spin_unlock_irqrestore(&dev->event_lock, flags);
386 }
387
388 qxl_crtc_update_monitors_config(crtc, "flush");
389}
390
391static void qxl_crtc_destroy(struct drm_crtc *crtc)
392{
393 struct qxl_crtc *qxl_crtc = to_qxl_crtc(crtc);
394
395 qxl_bo_unref(&qxl_crtc->cursor_bo);
396 drm_crtc_cleanup(crtc);
397 kfree(qxl_crtc);
398}
399
400static const struct drm_crtc_funcs qxl_crtc_funcs = {
401 .set_config = drm_atomic_helper_set_config,
402 .destroy = qxl_crtc_destroy,
403 .page_flip = drm_atomic_helper_page_flip,
404 .reset = drm_atomic_helper_crtc_reset,
405 .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
406 .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
407};
408
409static int qxl_framebuffer_surface_dirty(struct drm_framebuffer *fb,
410 struct drm_file *file_priv,
411 unsigned int flags, unsigned int color,
412 struct drm_clip_rect *clips,
413 unsigned int num_clips)
414{
415 /* TODO: vmwgfx where this was cribbed from had locking. Why? */
416 struct qxl_device *qdev = fb->dev->dev_private;
417 struct drm_clip_rect norect;
418 struct qxl_bo *qobj;
419 bool is_primary;
420 int inc = 1;
421
422 drm_modeset_lock_all(fb->dev);
423
424 qobj = gem_to_qxl_bo(fb->obj[0]);
425 /* if we aren't primary surface ignore this */
426 is_primary = qobj->shadow ? qobj->shadow->is_primary : qobj->is_primary;
427 if (!is_primary) {
428 drm_modeset_unlock_all(fb->dev);
429 return 0;
430 }
431
432 if (!num_clips) {
433 num_clips = 1;
434 clips = &norect;
435 norect.x1 = norect.y1 = 0;
436 norect.x2 = fb->width;
437 norect.y2 = fb->height;
438 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
439 num_clips /= 2;
440 inc = 2; /* skip source rects */
441 }
442
443 qxl_draw_dirty_fb(qdev, fb, qobj, flags, color,
444 clips, num_clips, inc, 0);
445
446 drm_modeset_unlock_all(fb->dev);
447
448 return 0;
449}
450
451static const struct drm_framebuffer_funcs qxl_fb_funcs = {
452 .destroy = drm_gem_fb_destroy,
453 .dirty = qxl_framebuffer_surface_dirty,
454 .create_handle = drm_gem_fb_create_handle,
455};
456
457static void qxl_crtc_atomic_enable(struct drm_crtc *crtc,
458 struct drm_crtc_state *old_state)
459{
460 qxl_crtc_update_monitors_config(crtc, "enable");
461}
462
463static void qxl_crtc_atomic_disable(struct drm_crtc *crtc,
464 struct drm_crtc_state *old_state)
465{
466 qxl_crtc_update_monitors_config(crtc, "disable");
467}
468
469static const struct drm_crtc_helper_funcs qxl_crtc_helper_funcs = {
470 .atomic_flush = qxl_crtc_atomic_flush,
471 .atomic_enable = qxl_crtc_atomic_enable,
472 .atomic_disable = qxl_crtc_atomic_disable,
473};
474
475static int qxl_primary_atomic_check(struct drm_plane *plane,
476 struct drm_plane_state *state)
477{
478 struct qxl_device *qdev = plane->dev->dev_private;
479 struct qxl_bo *bo;
480
481 if (!state->crtc || !state->fb)
482 return 0;
483
484 bo = gem_to_qxl_bo(state->fb->obj[0]);
485
486 return qxl_check_framebuffer(qdev, bo);
487}
488
489static int qxl_primary_apply_cursor(struct drm_plane *plane)
490{
491 struct drm_device *dev = plane->dev;
492 struct qxl_device *qdev = dev->dev_private;
493 struct drm_framebuffer *fb = plane->state->fb;
494 struct qxl_crtc *qcrtc = to_qxl_crtc(plane->state->crtc);
495 struct qxl_cursor_cmd *cmd;
496 struct qxl_release *release;
497 int ret = 0;
498
499 if (!qcrtc->cursor_bo)
500 return 0;
501
502 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
503 QXL_RELEASE_CURSOR_CMD,
504 &release, NULL);
505 if (ret)
506 return ret;
507
508 ret = qxl_release_list_add(release, qcrtc->cursor_bo);
509 if (ret)
510 goto out_free_release;
511
512 ret = qxl_release_reserve_list(release, false);
513 if (ret)
514 goto out_free_release;
515
516 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
517 cmd->type = QXL_CURSOR_SET;
518 cmd->u.set.position.x = plane->state->crtc_x + fb->hot_x;
519 cmd->u.set.position.y = plane->state->crtc_y + fb->hot_y;
520
521 cmd->u.set.shape = qxl_bo_physical_address(qdev, qcrtc->cursor_bo, 0);
522
523 cmd->u.set.visible = 1;
524 qxl_release_unmap(qdev, release, &cmd->release_info);
525
526 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
527 qxl_release_fence_buffer_objects(release);
528
529 return ret;
530
531out_free_release:
532 qxl_release_free(qdev, release);
533 return ret;
534}
535
536static void qxl_primary_atomic_update(struct drm_plane *plane,
537 struct drm_plane_state *old_state)
538{
539 struct qxl_device *qdev = plane->dev->dev_private;
540 struct qxl_bo *bo = gem_to_qxl_bo(plane->state->fb->obj[0]);
541 struct qxl_bo *primary;
542 struct drm_clip_rect norect = {
543 .x1 = 0,
544 .y1 = 0,
545 .x2 = plane->state->fb->width,
546 .y2 = plane->state->fb->height
547 };
548 uint32_t dumb_shadow_offset = 0;
549
550 primary = bo->shadow ? bo->shadow : bo;
551
552 if (!primary->is_primary) {
553 if (qdev->primary_bo)
554 qxl_io_destroy_primary(qdev);
555 qxl_io_create_primary(qdev, primary);
556 qxl_primary_apply_cursor(plane);
557 }
558
559 if (bo->is_dumb)
560 dumb_shadow_offset =
561 qdev->dumb_heads[plane->state->crtc->index].x;
562
563 qxl_draw_dirty_fb(qdev, plane->state->fb, bo, 0, 0, &norect, 1, 1,
564 dumb_shadow_offset);
565}
566
567static void qxl_primary_atomic_disable(struct drm_plane *plane,
568 struct drm_plane_state *old_state)
569{
570 struct qxl_device *qdev = plane->dev->dev_private;
571
572 if (old_state->fb) {
573 struct qxl_bo *bo = gem_to_qxl_bo(old_state->fb->obj[0]);
574
575 if (bo->is_primary) {
576 qxl_io_destroy_primary(qdev);
577 bo->is_primary = false;
578 }
579 }
580}
581
582static void qxl_cursor_atomic_update(struct drm_plane *plane,
583 struct drm_plane_state *old_state)
584{
585 struct drm_device *dev = plane->dev;
586 struct qxl_device *qdev = dev->dev_private;
587 struct drm_framebuffer *fb = plane->state->fb;
588 struct qxl_crtc *qcrtc = to_qxl_crtc(plane->state->crtc);
589 struct qxl_release *release;
590 struct qxl_cursor_cmd *cmd;
591 struct qxl_cursor *cursor;
592 struct drm_gem_object *obj;
593 struct qxl_bo *cursor_bo = NULL, *user_bo = NULL, *old_cursor_bo = NULL;
594 int ret;
595 void *user_ptr;
596 int size = 64*64*4;
597
598 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
599 QXL_RELEASE_CURSOR_CMD,
600 &release, NULL);
601 if (ret)
602 return;
603
604 if (fb != old_state->fb) {
605 obj = fb->obj[0];
606 user_bo = gem_to_qxl_bo(obj);
607
608 /* pinning is done in the prepare/cleanup framevbuffer */
609 ret = qxl_bo_kmap(user_bo, &user_ptr);
610 if (ret)
611 goto out_free_release;
612
613 ret = qxl_alloc_bo_reserved(qdev, release,
614 sizeof(struct qxl_cursor) + size,
615 &cursor_bo);
616 if (ret)
617 goto out_kunmap;
618
619 ret = qxl_bo_pin(cursor_bo);
620 if (ret)
621 goto out_free_bo;
622
623 ret = qxl_release_reserve_list(release, true);
624 if (ret)
625 goto out_unpin;
626
627 ret = qxl_bo_kmap(cursor_bo, (void **)&cursor);
628 if (ret)
629 goto out_backoff;
630
631 cursor->header.unique = 0;
632 cursor->header.type = SPICE_CURSOR_TYPE_ALPHA;
633 cursor->header.width = 64;
634 cursor->header.height = 64;
635 cursor->header.hot_spot_x = fb->hot_x;
636 cursor->header.hot_spot_y = fb->hot_y;
637 cursor->data_size = size;
638 cursor->chunk.next_chunk = 0;
639 cursor->chunk.prev_chunk = 0;
640 cursor->chunk.data_size = size;
641 memcpy(cursor->chunk.data, user_ptr, size);
642 qxl_bo_kunmap(cursor_bo);
643 qxl_bo_kunmap(user_bo);
644
645 cmd = (struct qxl_cursor_cmd *) qxl_release_map(qdev, release);
646 cmd->u.set.visible = 1;
647 cmd->u.set.shape = qxl_bo_physical_address(qdev,
648 cursor_bo, 0);
649 cmd->type = QXL_CURSOR_SET;
650
651 old_cursor_bo = qcrtc->cursor_bo;
652 qcrtc->cursor_bo = cursor_bo;
653 cursor_bo = NULL;
654 } else {
655
656 ret = qxl_release_reserve_list(release, true);
657 if (ret)
658 goto out_free_release;
659
660 cmd = (struct qxl_cursor_cmd *) qxl_release_map(qdev, release);
661 cmd->type = QXL_CURSOR_MOVE;
662 }
663
664 cmd->u.position.x = plane->state->crtc_x + fb->hot_x;
665 cmd->u.position.y = plane->state->crtc_y + fb->hot_y;
666
667 qxl_release_unmap(qdev, release, &cmd->release_info);
668 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
669 qxl_release_fence_buffer_objects(release);
670
671 if (old_cursor_bo != NULL)
672 qxl_bo_unpin(old_cursor_bo);
673 qxl_bo_unref(&old_cursor_bo);
674 qxl_bo_unref(&cursor_bo);
675
676 return;
677
678out_backoff:
679 qxl_release_backoff_reserve_list(release);
680out_unpin:
681 qxl_bo_unpin(cursor_bo);
682out_free_bo:
683 qxl_bo_unref(&cursor_bo);
684out_kunmap:
685 qxl_bo_kunmap(user_bo);
686out_free_release:
687 qxl_release_free(qdev, release);
688 return;
689
690}
691
692static void qxl_cursor_atomic_disable(struct drm_plane *plane,
693 struct drm_plane_state *old_state)
694{
695 struct qxl_device *qdev = plane->dev->dev_private;
696 struct qxl_release *release;
697 struct qxl_cursor_cmd *cmd;
698 int ret;
699
700 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
701 QXL_RELEASE_CURSOR_CMD,
702 &release, NULL);
703 if (ret)
704 return;
705
706 ret = qxl_release_reserve_list(release, true);
707 if (ret) {
708 qxl_release_free(qdev, release);
709 return;
710 }
711
712 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
713 cmd->type = QXL_CURSOR_HIDE;
714 qxl_release_unmap(qdev, release, &cmd->release_info);
715
716 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
717 qxl_release_fence_buffer_objects(release);
718}
719
720static void qxl_update_dumb_head(struct qxl_device *qdev,
721 int index, struct qxl_bo *bo)
722{
723 uint32_t width, height;
724
725 if (index >= qdev->monitors_config->max_allowed)
726 return;
727
728 if (bo && bo->is_dumb) {
729 width = bo->surf.width;
730 height = bo->surf.height;
731 } else {
732 width = 0;
733 height = 0;
734 }
735
736 if (qdev->dumb_heads[index].width == width &&
737 qdev->dumb_heads[index].height == height)
738 return;
739
740 DRM_DEBUG("#%d: %dx%d -> %dx%d\n", index,
741 qdev->dumb_heads[index].width,
742 qdev->dumb_heads[index].height,
743 width, height);
744 qdev->dumb_heads[index].width = width;
745 qdev->dumb_heads[index].height = height;
746}
747
748static void qxl_calc_dumb_shadow(struct qxl_device *qdev,
749 struct qxl_surface *surf)
750{
751 struct qxl_head *head;
752 int i;
753
754 memset(surf, 0, sizeof(*surf));
755 for (i = 0; i < qdev->monitors_config->max_allowed; i++) {
756 head = qdev->dumb_heads + i;
757 head->x = surf->width;
758 surf->width += head->width;
759 if (surf->height < head->height)
760 surf->height = head->height;
761 }
762 if (surf->width < 64)
763 surf->width = 64;
764 if (surf->height < 64)
765 surf->height = 64;
766 surf->format = SPICE_SURFACE_FMT_32_xRGB;
767 surf->stride = surf->width * 4;
768
769 if (!qdev->dumb_shadow_bo ||
770 qdev->dumb_shadow_bo->surf.width != surf->width ||
771 qdev->dumb_shadow_bo->surf.height != surf->height)
772 DRM_DEBUG("%dx%d\n", surf->width, surf->height);
773}
774
775static int qxl_plane_prepare_fb(struct drm_plane *plane,
776 struct drm_plane_state *new_state)
777{
778 struct qxl_device *qdev = plane->dev->dev_private;
779 struct drm_gem_object *obj;
780 struct qxl_bo *user_bo;
781 struct qxl_surface surf;
782 int ret;
783
784 if (!new_state->fb)
785 return 0;
786
787 obj = new_state->fb->obj[0];
788 user_bo = gem_to_qxl_bo(obj);
789
790 if (plane->type == DRM_PLANE_TYPE_PRIMARY &&
791 user_bo->is_dumb) {
792 qxl_update_dumb_head(qdev, new_state->crtc->index,
793 user_bo);
794 qxl_calc_dumb_shadow(qdev, &surf);
795 if (!qdev->dumb_shadow_bo ||
796 qdev->dumb_shadow_bo->surf.width != surf.width ||
797 qdev->dumb_shadow_bo->surf.height != surf.height) {
798 if (qdev->dumb_shadow_bo) {
799 drm_gem_object_put_unlocked
800 (&qdev->dumb_shadow_bo->tbo.base);
801 qdev->dumb_shadow_bo = NULL;
802 }
803 qxl_bo_create(qdev, surf.height * surf.stride,
804 true, true, QXL_GEM_DOMAIN_SURFACE, &surf,
805 &qdev->dumb_shadow_bo);
806 }
807 if (user_bo->shadow != qdev->dumb_shadow_bo) {
808 if (user_bo->shadow) {
809 drm_gem_object_put_unlocked
810 (&user_bo->shadow->tbo.base);
811 user_bo->shadow = NULL;
812 }
813 drm_gem_object_get(&qdev->dumb_shadow_bo->tbo.base);
814 user_bo->shadow = qdev->dumb_shadow_bo;
815 }
816 }
817
818 ret = qxl_bo_pin(user_bo);
819 if (ret)
820 return ret;
821
822 return 0;
823}
824
825static void qxl_plane_cleanup_fb(struct drm_plane *plane,
826 struct drm_plane_state *old_state)
827{
828 struct drm_gem_object *obj;
829 struct qxl_bo *user_bo;
830
831 if (!old_state->fb) {
832 /*
833 * we never executed prepare_fb, so there's nothing to
834 * unpin.
835 */
836 return;
837 }
838
839 obj = old_state->fb->obj[0];
840 user_bo = gem_to_qxl_bo(obj);
841 qxl_bo_unpin(user_bo);
842
843 if (old_state->fb != plane->state->fb && user_bo->shadow) {
844 drm_gem_object_put_unlocked(&user_bo->shadow->tbo.base);
845 user_bo->shadow = NULL;
846 }
847}
848
849static const uint32_t qxl_cursor_plane_formats[] = {
850 DRM_FORMAT_ARGB8888,
851};
852
853static const struct drm_plane_helper_funcs qxl_cursor_helper_funcs = {
854 .atomic_update = qxl_cursor_atomic_update,
855 .atomic_disable = qxl_cursor_atomic_disable,
856 .prepare_fb = qxl_plane_prepare_fb,
857 .cleanup_fb = qxl_plane_cleanup_fb,
858};
859
860static const struct drm_plane_funcs qxl_cursor_plane_funcs = {
861 .update_plane = drm_atomic_helper_update_plane,
862 .disable_plane = drm_atomic_helper_disable_plane,
863 .destroy = drm_primary_helper_destroy,
864 .reset = drm_atomic_helper_plane_reset,
865 .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
866 .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
867};
868
869static const uint32_t qxl_primary_plane_formats[] = {
870 DRM_FORMAT_XRGB8888,
871 DRM_FORMAT_ARGB8888,
872};
873
874static const struct drm_plane_helper_funcs primary_helper_funcs = {
875 .atomic_check = qxl_primary_atomic_check,
876 .atomic_update = qxl_primary_atomic_update,
877 .atomic_disable = qxl_primary_atomic_disable,
878 .prepare_fb = qxl_plane_prepare_fb,
879 .cleanup_fb = qxl_plane_cleanup_fb,
880};
881
882static const struct drm_plane_funcs qxl_primary_plane_funcs = {
883 .update_plane = drm_atomic_helper_update_plane,
884 .disable_plane = drm_atomic_helper_disable_plane,
885 .destroy = drm_primary_helper_destroy,
886 .reset = drm_atomic_helper_plane_reset,
887 .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
888 .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
889};
890
891static struct drm_plane *qxl_create_plane(struct qxl_device *qdev,
892 unsigned int possible_crtcs,
893 enum drm_plane_type type)
894{
895 const struct drm_plane_helper_funcs *helper_funcs = NULL;
896 struct drm_plane *plane;
897 const struct drm_plane_funcs *funcs;
898 const uint32_t *formats;
899 int num_formats;
900 int err;
901
902 if (type == DRM_PLANE_TYPE_PRIMARY) {
903 funcs = &qxl_primary_plane_funcs;
904 formats = qxl_primary_plane_formats;
905 num_formats = ARRAY_SIZE(qxl_primary_plane_formats);
906 helper_funcs = &primary_helper_funcs;
907 } else if (type == DRM_PLANE_TYPE_CURSOR) {
908 funcs = &qxl_cursor_plane_funcs;
909 formats = qxl_cursor_plane_formats;
910 helper_funcs = &qxl_cursor_helper_funcs;
911 num_formats = ARRAY_SIZE(qxl_cursor_plane_formats);
912 } else {
913 return ERR_PTR(-EINVAL);
914 }
915
916 plane = kzalloc(sizeof(*plane), GFP_KERNEL);
917 if (!plane)
918 return ERR_PTR(-ENOMEM);
919
920 err = drm_universal_plane_init(&qdev->ddev, plane, possible_crtcs,
921 funcs, formats, num_formats,
922 NULL, type, NULL);
923 if (err)
924 goto free_plane;
925
926 drm_plane_helper_add(plane, helper_funcs);
927
928 return plane;
929
930free_plane:
931 kfree(plane);
932 return ERR_PTR(-EINVAL);
933}
934
935static int qdev_crtc_init(struct drm_device *dev, int crtc_id)
936{
937 struct qxl_crtc *qxl_crtc;
938 struct drm_plane *primary, *cursor;
939 struct qxl_device *qdev = dev->dev_private;
940 int r;
941
942 qxl_crtc = kzalloc(sizeof(struct qxl_crtc), GFP_KERNEL);
943 if (!qxl_crtc)
944 return -ENOMEM;
945
946 primary = qxl_create_plane(qdev, 1 << crtc_id, DRM_PLANE_TYPE_PRIMARY);
947 if (IS_ERR(primary)) {
948 r = -ENOMEM;
949 goto free_mem;
950 }
951
952 cursor = qxl_create_plane(qdev, 1 << crtc_id, DRM_PLANE_TYPE_CURSOR);
953 if (IS_ERR(cursor)) {
954 r = -ENOMEM;
955 goto clean_primary;
956 }
957
958 r = drm_crtc_init_with_planes(dev, &qxl_crtc->base, primary, cursor,
959 &qxl_crtc_funcs, NULL);
960 if (r)
961 goto clean_cursor;
962
963 qxl_crtc->index = crtc_id;
964 drm_crtc_helper_add(&qxl_crtc->base, &qxl_crtc_helper_funcs);
965 return 0;
966
967clean_cursor:
968 drm_plane_cleanup(cursor);
969 kfree(cursor);
970clean_primary:
971 drm_plane_cleanup(primary);
972 kfree(primary);
973free_mem:
974 kfree(qxl_crtc);
975 return r;
976}
977
978static int qxl_conn_get_modes(struct drm_connector *connector)
979{
980 struct drm_device *dev = connector->dev;
981 struct qxl_device *qdev = dev->dev_private;
982 struct qxl_output *output = drm_connector_to_qxl_output(connector);
983 unsigned int pwidth = 1024;
984 unsigned int pheight = 768;
985 int ret = 0;
986
987 if (qdev->client_monitors_config) {
988 struct qxl_head *head;
989 head = &qdev->client_monitors_config->heads[output->index];
990 if (head->width)
991 pwidth = head->width;
992 if (head->height)
993 pheight = head->height;
994 }
995
996 ret += drm_add_modes_noedid(connector, 8192, 8192);
997 ret += qxl_add_extra_modes(connector);
998 ret += qxl_add_monitors_config_modes(connector);
999 drm_set_preferred_mode(connector, pwidth, pheight);
1000 return ret;
1001}
1002
1003static enum drm_mode_status qxl_conn_mode_valid(struct drm_connector *connector,
1004 struct drm_display_mode *mode)
1005{
1006 struct drm_device *ddev = connector->dev;
1007 struct qxl_device *qdev = ddev->dev_private;
1008
1009 if (qxl_check_mode(qdev, mode->hdisplay, mode->vdisplay) != 0)
1010 return MODE_BAD;
1011
1012 return MODE_OK;
1013}
1014
1015static struct drm_encoder *qxl_best_encoder(struct drm_connector *connector)
1016{
1017 struct qxl_output *qxl_output =
1018 drm_connector_to_qxl_output(connector);
1019
1020 DRM_DEBUG("\n");
1021 return &qxl_output->enc;
1022}
1023
1024static const struct drm_encoder_helper_funcs qxl_enc_helper_funcs = {
1025};
1026
1027static const struct drm_connector_helper_funcs qxl_connector_helper_funcs = {
1028 .get_modes = qxl_conn_get_modes,
1029 .mode_valid = qxl_conn_mode_valid,
1030 .best_encoder = qxl_best_encoder,
1031};
1032
1033static enum drm_connector_status qxl_conn_detect(
1034 struct drm_connector *connector,
1035 bool force)
1036{
1037 struct qxl_output *output =
1038 drm_connector_to_qxl_output(connector);
1039 struct drm_device *ddev = connector->dev;
1040 struct qxl_device *qdev = ddev->dev_private;
1041 bool connected = false;
1042
1043 /* The first monitor is always connected */
1044 if (!qdev->client_monitors_config) {
1045 if (output->index == 0)
1046 connected = true;
1047 } else
1048 connected = qdev->client_monitors_config->count > output->index &&
1049 qxl_head_enabled(&qdev->client_monitors_config->heads[output->index]);
1050
1051 DRM_DEBUG("#%d connected: %d\n", output->index, connected);
1052
1053 return connected ? connector_status_connected
1054 : connector_status_disconnected;
1055}
1056
1057static void qxl_conn_destroy(struct drm_connector *connector)
1058{
1059 struct qxl_output *qxl_output =
1060 drm_connector_to_qxl_output(connector);
1061
1062 drm_connector_unregister(connector);
1063 drm_connector_cleanup(connector);
1064 kfree(qxl_output);
1065}
1066
1067static const struct drm_connector_funcs qxl_connector_funcs = {
1068 .detect = qxl_conn_detect,
1069 .fill_modes = drm_helper_probe_single_connector_modes,
1070 .destroy = qxl_conn_destroy,
1071 .reset = drm_atomic_helper_connector_reset,
1072 .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
1073 .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
1074};
1075
1076static void qxl_enc_destroy(struct drm_encoder *encoder)
1077{
1078 drm_encoder_cleanup(encoder);
1079}
1080
1081static const struct drm_encoder_funcs qxl_enc_funcs = {
1082 .destroy = qxl_enc_destroy,
1083};
1084
1085static int qxl_mode_create_hotplug_mode_update_property(struct qxl_device *qdev)
1086{
1087 if (qdev->hotplug_mode_update_property)
1088 return 0;
1089
1090 qdev->hotplug_mode_update_property =
1091 drm_property_create_range(&qdev->ddev, DRM_MODE_PROP_IMMUTABLE,
1092 "hotplug_mode_update", 0, 1);
1093
1094 return 0;
1095}
1096
1097static int qdev_output_init(struct drm_device *dev, int num_output)
1098{
1099 struct qxl_device *qdev = dev->dev_private;
1100 struct qxl_output *qxl_output;
1101 struct drm_connector *connector;
1102 struct drm_encoder *encoder;
1103
1104 qxl_output = kzalloc(sizeof(struct qxl_output), GFP_KERNEL);
1105 if (!qxl_output)
1106 return -ENOMEM;
1107
1108 qxl_output->index = num_output;
1109
1110 connector = &qxl_output->base;
1111 encoder = &qxl_output->enc;
1112 drm_connector_init(dev, &qxl_output->base,
1113 &qxl_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL);
1114
1115 drm_encoder_init(dev, &qxl_output->enc, &qxl_enc_funcs,
1116 DRM_MODE_ENCODER_VIRTUAL, NULL);
1117
1118 /* we get HPD via client monitors config */
1119 connector->polled = DRM_CONNECTOR_POLL_HPD;
1120 encoder->possible_crtcs = 1 << num_output;
1121 drm_connector_attach_encoder(&qxl_output->base,
1122 &qxl_output->enc);
1123 drm_encoder_helper_add(encoder, &qxl_enc_helper_funcs);
1124 drm_connector_helper_add(connector, &qxl_connector_helper_funcs);
1125
1126 drm_object_attach_property(&connector->base,
1127 qdev->hotplug_mode_update_property, 0);
1128 drm_object_attach_property(&connector->base,
1129 dev->mode_config.suggested_x_property, 0);
1130 drm_object_attach_property(&connector->base,
1131 dev->mode_config.suggested_y_property, 0);
1132 return 0;
1133}
1134
1135static struct drm_framebuffer *
1136qxl_user_framebuffer_create(struct drm_device *dev,
1137 struct drm_file *file_priv,
1138 const struct drm_mode_fb_cmd2 *mode_cmd)
1139{
1140 return drm_gem_fb_create_with_funcs(dev, file_priv, mode_cmd,
1141 &qxl_fb_funcs);
1142}
1143
1144static const struct drm_mode_config_funcs qxl_mode_funcs = {
1145 .fb_create = qxl_user_framebuffer_create,
1146 .atomic_check = drm_atomic_helper_check,
1147 .atomic_commit = drm_atomic_helper_commit,
1148};
1149
1150int qxl_create_monitors_object(struct qxl_device *qdev)
1151{
1152 int ret;
1153 struct drm_gem_object *gobj;
1154 int monitors_config_size = sizeof(struct qxl_monitors_config) +
1155 qxl_num_crtc * sizeof(struct qxl_head);
1156
1157 ret = qxl_gem_object_create(qdev, monitors_config_size, 0,
1158 QXL_GEM_DOMAIN_VRAM,
1159 false, false, NULL, &gobj);
1160 if (ret) {
1161 DRM_ERROR("%s: failed to create gem ret=%d\n", __func__, ret);
1162 return -ENOMEM;
1163 }
1164 qdev->monitors_config_bo = gem_to_qxl_bo(gobj);
1165
1166 ret = qxl_bo_pin(qdev->monitors_config_bo);
1167 if (ret)
1168 return ret;
1169
1170 qxl_bo_kmap(qdev->monitors_config_bo, NULL);
1171
1172 qdev->monitors_config = qdev->monitors_config_bo->kptr;
1173 qdev->ram_header->monitors_config =
1174 qxl_bo_physical_address(qdev, qdev->monitors_config_bo, 0);
1175
1176 memset(qdev->monitors_config, 0, monitors_config_size);
1177 qdev->dumb_heads = kcalloc(qxl_num_crtc, sizeof(qdev->dumb_heads[0]),
1178 GFP_KERNEL);
1179 if (!qdev->dumb_heads) {
1180 qxl_destroy_monitors_object(qdev);
1181 return -ENOMEM;
1182 }
1183 return 0;
1184}
1185
1186int qxl_destroy_monitors_object(struct qxl_device *qdev)
1187{
1188 int ret;
1189
1190 qdev->monitors_config = NULL;
1191 qdev->ram_header->monitors_config = 0;
1192
1193 qxl_bo_kunmap(qdev->monitors_config_bo);
1194 ret = qxl_bo_unpin(qdev->monitors_config_bo);
1195 if (ret)
1196 return ret;
1197
1198 qxl_bo_unref(&qdev->monitors_config_bo);
1199 return 0;
1200}
1201
1202int qxl_modeset_init(struct qxl_device *qdev)
1203{
1204 int i;
1205 int ret;
1206
1207 drm_mode_config_init(&qdev->ddev);
1208
1209 ret = qxl_create_monitors_object(qdev);
1210 if (ret)
1211 return ret;
1212
1213 qdev->ddev.mode_config.funcs = (void *)&qxl_mode_funcs;
1214
1215 /* modes will be validated against the framebuffer size */
1216 qdev->ddev.mode_config.min_width = 0;
1217 qdev->ddev.mode_config.min_height = 0;
1218 qdev->ddev.mode_config.max_width = 8192;
1219 qdev->ddev.mode_config.max_height = 8192;
1220
1221 qdev->ddev.mode_config.fb_base = qdev->vram_base;
1222
1223 drm_mode_create_suggested_offset_properties(&qdev->ddev);
1224 qxl_mode_create_hotplug_mode_update_property(qdev);
1225
1226 for (i = 0 ; i < qxl_num_crtc; ++i) {
1227 qdev_crtc_init(&qdev->ddev, i);
1228 qdev_output_init(&qdev->ddev, i);
1229 }
1230
1231 qxl_display_read_client_monitors_config(qdev);
1232
1233 drm_mode_config_reset(&qdev->ddev);
1234 return 0;
1235}
1236
1237void qxl_modeset_fini(struct qxl_device *qdev)
1238{
1239 qxl_destroy_monitors_object(qdev);
1240 drm_mode_config_cleanup(&qdev->ddev);
1241}
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 <linux/delay.h>
28#include <linux/iosys-map.h>
29
30#include <drm/drm_drv.h>
31#include <drm/drm_atomic.h>
32#include <drm/drm_atomic_helper.h>
33#include <drm/drm_edid.h>
34#include <drm/drm_framebuffer.h>
35#include <drm/drm_gem_framebuffer_helper.h>
36#include <drm/drm_plane_helper.h>
37#include <drm/drm_probe_helper.h>
38#include <drm/drm_simple_kms_helper.h>
39#include <drm/drm_gem_atomic_helper.h>
40
41#include "qxl_drv.h"
42#include "qxl_object.h"
43
44static bool qxl_head_enabled(struct qxl_head *head)
45{
46 return head->width && head->height;
47}
48
49static int qxl_alloc_client_monitors_config(struct qxl_device *qdev,
50 unsigned int count)
51{
52 if (qdev->client_monitors_config &&
53 count > qdev->client_monitors_config->count) {
54 kfree(qdev->client_monitors_config);
55 qdev->client_monitors_config = NULL;
56 }
57 if (!qdev->client_monitors_config) {
58 qdev->client_monitors_config = kzalloc(
59 struct_size(qdev->client_monitors_config,
60 heads, count), GFP_KERNEL);
61 if (!qdev->client_monitors_config)
62 return -ENOMEM;
63 }
64 qdev->client_monitors_config->count = count;
65 return 0;
66}
67
68enum {
69 MONITORS_CONFIG_MODIFIED,
70 MONITORS_CONFIG_UNCHANGED,
71 MONITORS_CONFIG_BAD_CRC,
72 MONITORS_CONFIG_ERROR,
73};
74
75static int qxl_display_copy_rom_client_monitors_config(struct qxl_device *qdev)
76{
77 int i;
78 int num_monitors;
79 uint32_t crc;
80 int status = MONITORS_CONFIG_UNCHANGED;
81
82 num_monitors = qdev->rom->client_monitors_config.count;
83 crc = crc32(0, (const uint8_t *)&qdev->rom->client_monitors_config,
84 sizeof(qdev->rom->client_monitors_config));
85 if (crc != qdev->rom->client_monitors_config_crc)
86 return MONITORS_CONFIG_BAD_CRC;
87 if (!num_monitors) {
88 DRM_DEBUG_KMS("no client monitors configured\n");
89 return status;
90 }
91 if (num_monitors > qxl_num_crtc) {
92 DRM_DEBUG_KMS("client monitors list will be truncated: %d < %d\n",
93 qxl_num_crtc, num_monitors);
94 num_monitors = qxl_num_crtc;
95 } else {
96 num_monitors = qdev->rom->client_monitors_config.count;
97 }
98 if (qdev->client_monitors_config
99 && (num_monitors != qdev->client_monitors_config->count)) {
100 status = MONITORS_CONFIG_MODIFIED;
101 }
102 if (qxl_alloc_client_monitors_config(qdev, num_monitors)) {
103 status = MONITORS_CONFIG_ERROR;
104 return status;
105 }
106 /* we copy max from the client but it isn't used */
107 qdev->client_monitors_config->max_allowed = qxl_num_crtc;
108 for (i = 0 ; i < qdev->client_monitors_config->count ; ++i) {
109 struct qxl_urect *c_rect =
110 &qdev->rom->client_monitors_config.heads[i];
111 struct qxl_head *client_head =
112 &qdev->client_monitors_config->heads[i];
113 if (client_head->x != c_rect->left) {
114 client_head->x = c_rect->left;
115 status = MONITORS_CONFIG_MODIFIED;
116 }
117 if (client_head->y != c_rect->top) {
118 client_head->y = c_rect->top;
119 status = MONITORS_CONFIG_MODIFIED;
120 }
121 if (client_head->width != c_rect->right - c_rect->left) {
122 client_head->width = c_rect->right - c_rect->left;
123 status = MONITORS_CONFIG_MODIFIED;
124 }
125 if (client_head->height != c_rect->bottom - c_rect->top) {
126 client_head->height = c_rect->bottom - c_rect->top;
127 status = MONITORS_CONFIG_MODIFIED;
128 }
129 if (client_head->surface_id != 0) {
130 client_head->surface_id = 0;
131 status = MONITORS_CONFIG_MODIFIED;
132 }
133 if (client_head->id != i) {
134 client_head->id = i;
135 status = MONITORS_CONFIG_MODIFIED;
136 }
137 if (client_head->flags != 0) {
138 client_head->flags = 0;
139 status = MONITORS_CONFIG_MODIFIED;
140 }
141 DRM_DEBUG_KMS("read %dx%d+%d+%d\n", client_head->width, client_head->height,
142 client_head->x, client_head->y);
143 }
144
145 return status;
146}
147
148static void qxl_update_offset_props(struct qxl_device *qdev)
149{
150 struct drm_device *dev = &qdev->ddev;
151 struct drm_connector *connector;
152 struct qxl_output *output;
153 struct qxl_head *head;
154
155 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
156 output = drm_connector_to_qxl_output(connector);
157
158 head = &qdev->client_monitors_config->heads[output->index];
159
160 drm_object_property_set_value(&connector->base,
161 dev->mode_config.suggested_x_property, head->x);
162 drm_object_property_set_value(&connector->base,
163 dev->mode_config.suggested_y_property, head->y);
164 }
165}
166
167void qxl_display_read_client_monitors_config(struct qxl_device *qdev)
168{
169 struct drm_device *dev = &qdev->ddev;
170 struct drm_modeset_acquire_ctx ctx;
171 int status, retries, ret;
172
173 for (retries = 0; retries < 10; retries++) {
174 status = qxl_display_copy_rom_client_monitors_config(qdev);
175 if (status != MONITORS_CONFIG_BAD_CRC)
176 break;
177 udelay(5);
178 }
179 if (status == MONITORS_CONFIG_ERROR) {
180 DRM_DEBUG_KMS("ignoring client monitors config: error");
181 return;
182 }
183 if (status == MONITORS_CONFIG_BAD_CRC) {
184 DRM_DEBUG_KMS("ignoring client monitors config: bad crc");
185 return;
186 }
187 if (status == MONITORS_CONFIG_UNCHANGED) {
188 DRM_DEBUG_KMS("ignoring client monitors config: unchanged");
189 return;
190 }
191
192 DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE, ret);
193 qxl_update_offset_props(qdev);
194 DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
195 if (!drm_helper_hpd_irq_event(dev)) {
196 /* notify that the monitor configuration changed, to
197 adjust at the arbitrary resolution */
198 drm_kms_helper_hotplug_event(dev);
199 }
200}
201
202static int qxl_check_mode(struct qxl_device *qdev,
203 unsigned int width,
204 unsigned int height)
205{
206 unsigned int stride;
207 unsigned int size;
208
209 if (check_mul_overflow(width, 4u, &stride))
210 return -EINVAL;
211 if (check_mul_overflow(stride, height, &size))
212 return -EINVAL;
213 if (size > qdev->vram_size)
214 return -ENOMEM;
215 return 0;
216}
217
218static int qxl_check_framebuffer(struct qxl_device *qdev,
219 struct qxl_bo *bo)
220{
221 return qxl_check_mode(qdev, bo->surf.width, bo->surf.height);
222}
223
224static int qxl_add_mode(struct drm_connector *connector,
225 unsigned int width,
226 unsigned int height,
227 bool preferred)
228{
229 struct drm_device *dev = connector->dev;
230 struct qxl_device *qdev = to_qxl(dev);
231 struct drm_display_mode *mode = NULL;
232 int rc;
233
234 rc = qxl_check_mode(qdev, width, height);
235 if (rc != 0)
236 return 0;
237
238 mode = drm_cvt_mode(dev, width, height, 60, false, false, false);
239 if (!mode)
240 return 0;
241
242 if (preferred)
243 mode->type |= DRM_MODE_TYPE_PREFERRED;
244 mode->hdisplay = width;
245 mode->vdisplay = height;
246 drm_mode_set_name(mode);
247 drm_mode_probed_add(connector, mode);
248 return 1;
249}
250
251static int qxl_add_monitors_config_modes(struct drm_connector *connector)
252{
253 struct drm_device *dev = connector->dev;
254 struct qxl_device *qdev = to_qxl(dev);
255 struct qxl_output *output = drm_connector_to_qxl_output(connector);
256 int h = output->index;
257 struct qxl_head *head;
258
259 if (!qdev->monitors_config)
260 return 0;
261 if (h >= qxl_num_crtc)
262 return 0;
263 if (!qdev->client_monitors_config)
264 return 0;
265 if (h >= qdev->client_monitors_config->count)
266 return 0;
267
268 head = &qdev->client_monitors_config->heads[h];
269 DRM_DEBUG_KMS("head %d is %dx%d\n", h, head->width, head->height);
270
271 return qxl_add_mode(connector, head->width, head->height, true);
272}
273
274static struct mode_size {
275 int w;
276 int h;
277} extra_modes[] = {
278 { 720, 480},
279 {1152, 768},
280 {1280, 854},
281};
282
283static int qxl_add_extra_modes(struct drm_connector *connector)
284{
285 int i, ret = 0;
286
287 for (i = 0; i < ARRAY_SIZE(extra_modes); i++)
288 ret += qxl_add_mode(connector,
289 extra_modes[i].w,
290 extra_modes[i].h,
291 false);
292 return ret;
293}
294
295static void qxl_send_monitors_config(struct qxl_device *qdev)
296{
297 int i;
298
299 BUG_ON(!qdev->ram_header->monitors_config);
300
301 if (qdev->monitors_config->count == 0)
302 return;
303
304 for (i = 0 ; i < qdev->monitors_config->count ; ++i) {
305 struct qxl_head *head = &qdev->monitors_config->heads[i];
306
307 if (head->y > 8192 || head->x > 8192 ||
308 head->width > 8192 || head->height > 8192) {
309 DRM_ERROR("head %d wrong: %dx%d+%d+%d\n",
310 i, head->width, head->height,
311 head->x, head->y);
312 return;
313 }
314 }
315 qxl_io_monitors_config(qdev);
316}
317
318static void qxl_crtc_update_monitors_config(struct drm_crtc *crtc,
319 const char *reason)
320{
321 struct drm_device *dev = crtc->dev;
322 struct qxl_device *qdev = to_qxl(dev);
323 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
324 struct qxl_head head;
325 int oldcount, i = qcrtc->index;
326
327 if (!qdev->primary_bo) {
328 DRM_DEBUG_KMS("no primary surface, skip (%s)\n", reason);
329 return;
330 }
331
332 if (!qdev->monitors_config || qxl_num_crtc <= i)
333 return;
334
335 head.id = i;
336 head.flags = 0;
337 head.surface_id = 0;
338 oldcount = qdev->monitors_config->count;
339 if (crtc->state->active) {
340 struct drm_display_mode *mode = &crtc->mode;
341
342 head.width = mode->hdisplay;
343 head.height = mode->vdisplay;
344 head.x = crtc->x;
345 head.y = crtc->y;
346 if (qdev->monitors_config->count < i + 1)
347 qdev->monitors_config->count = i + 1;
348 if (qdev->primary_bo == qdev->dumb_shadow_bo)
349 head.x += qdev->dumb_heads[i].x;
350 } else if (i > 0) {
351 head.width = 0;
352 head.height = 0;
353 head.x = 0;
354 head.y = 0;
355 if (qdev->monitors_config->count == i + 1)
356 qdev->monitors_config->count = i;
357 } else {
358 DRM_DEBUG_KMS("inactive head 0, skip (%s)\n", reason);
359 return;
360 }
361
362 if (head.width == qdev->monitors_config->heads[i].width &&
363 head.height == qdev->monitors_config->heads[i].height &&
364 head.x == qdev->monitors_config->heads[i].x &&
365 head.y == qdev->monitors_config->heads[i].y &&
366 oldcount == qdev->monitors_config->count)
367 return;
368
369 DRM_DEBUG_KMS("head %d, %dx%d, at +%d+%d, %s (%s)\n",
370 i, head.width, head.height, head.x, head.y,
371 crtc->state->active ? "on" : "off", reason);
372 if (oldcount != qdev->monitors_config->count)
373 DRM_DEBUG_KMS("active heads %d -> %d (%d total)\n",
374 oldcount, qdev->monitors_config->count,
375 qxl_num_crtc);
376
377 qdev->monitors_config->heads[i] = head;
378 qdev->monitors_config->max_allowed = qxl_num_crtc;
379 qxl_send_monitors_config(qdev);
380}
381
382static void qxl_crtc_atomic_flush(struct drm_crtc *crtc,
383 struct drm_atomic_state *state)
384{
385 qxl_crtc_update_monitors_config(crtc, "flush");
386}
387
388static void qxl_crtc_destroy(struct drm_crtc *crtc)
389{
390 struct qxl_crtc *qxl_crtc = to_qxl_crtc(crtc);
391
392 qxl_bo_unref(&qxl_crtc->cursor_bo);
393 drm_crtc_cleanup(crtc);
394 kfree(qxl_crtc);
395}
396
397static const struct drm_crtc_funcs qxl_crtc_funcs = {
398 .set_config = drm_atomic_helper_set_config,
399 .destroy = qxl_crtc_destroy,
400 .page_flip = drm_atomic_helper_page_flip,
401 .reset = drm_atomic_helper_crtc_reset,
402 .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
403 .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
404};
405
406static int qxl_framebuffer_surface_dirty(struct drm_framebuffer *fb,
407 struct drm_file *file_priv,
408 unsigned int flags, unsigned int color,
409 struct drm_clip_rect *clips,
410 unsigned int num_clips)
411{
412 /* TODO: vmwgfx where this was cribbed from had locking. Why? */
413 struct qxl_device *qdev = to_qxl(fb->dev);
414 struct drm_clip_rect norect;
415 struct qxl_bo *qobj;
416 struct drm_modeset_acquire_ctx ctx;
417 bool is_primary;
418 int inc = 1, ret;
419
420 DRM_MODESET_LOCK_ALL_BEGIN(fb->dev, ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE, ret);
421
422 qobj = gem_to_qxl_bo(fb->obj[0]);
423 /* if we aren't primary surface ignore this */
424 is_primary = qobj->shadow ? qobj->shadow->is_primary : qobj->is_primary;
425 if (!is_primary)
426 goto out_lock_end;
427
428 if (!num_clips) {
429 num_clips = 1;
430 clips = &norect;
431 norect.x1 = norect.y1 = 0;
432 norect.x2 = fb->width;
433 norect.y2 = fb->height;
434 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
435 num_clips /= 2;
436 inc = 2; /* skip source rects */
437 }
438
439 qxl_draw_dirty_fb(qdev, fb, qobj, flags, color,
440 clips, num_clips, inc, 0);
441
442out_lock_end:
443 DRM_MODESET_LOCK_ALL_END(fb->dev, ctx, ret);
444
445 return 0;
446}
447
448static const struct drm_framebuffer_funcs qxl_fb_funcs = {
449 .destroy = drm_gem_fb_destroy,
450 .dirty = qxl_framebuffer_surface_dirty,
451 .create_handle = drm_gem_fb_create_handle,
452};
453
454static void qxl_crtc_atomic_enable(struct drm_crtc *crtc,
455 struct drm_atomic_state *state)
456{
457 qxl_crtc_update_monitors_config(crtc, "enable");
458}
459
460static void qxl_crtc_atomic_disable(struct drm_crtc *crtc,
461 struct drm_atomic_state *state)
462{
463 qxl_crtc_update_monitors_config(crtc, "disable");
464}
465
466static const struct drm_crtc_helper_funcs qxl_crtc_helper_funcs = {
467 .atomic_flush = qxl_crtc_atomic_flush,
468 .atomic_enable = qxl_crtc_atomic_enable,
469 .atomic_disable = qxl_crtc_atomic_disable,
470};
471
472static int qxl_primary_atomic_check(struct drm_plane *plane,
473 struct drm_atomic_state *state)
474{
475 struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
476 plane);
477 struct qxl_device *qdev = to_qxl(plane->dev);
478 struct qxl_bo *bo;
479
480 if (!new_plane_state->crtc || !new_plane_state->fb)
481 return 0;
482
483 bo = gem_to_qxl_bo(new_plane_state->fb->obj[0]);
484
485 return qxl_check_framebuffer(qdev, bo);
486}
487
488static int qxl_primary_apply_cursor(struct qxl_device *qdev,
489 struct drm_plane_state *plane_state)
490{
491 struct qxl_crtc *qcrtc = to_qxl_crtc(plane_state->crtc);
492 struct qxl_cursor_cmd *cmd;
493 struct qxl_release *release;
494 int ret = 0;
495
496 if (!qcrtc->cursor_bo)
497 return 0;
498
499 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
500 QXL_RELEASE_CURSOR_CMD,
501 &release, NULL);
502 if (ret)
503 return ret;
504
505 ret = qxl_release_list_add(release, qcrtc->cursor_bo);
506 if (ret)
507 goto out_free_release;
508
509 ret = qxl_release_reserve_list(release, false);
510 if (ret)
511 goto out_free_release;
512
513 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
514 cmd->type = QXL_CURSOR_SET;
515 cmd->u.set.position.x = plane_state->crtc_x + plane_state->hotspot_x;
516 cmd->u.set.position.y = plane_state->crtc_y + plane_state->hotspot_y;
517
518 cmd->u.set.shape = qxl_bo_physical_address(qdev, qcrtc->cursor_bo, 0);
519
520 cmd->u.set.visible = 1;
521 qxl_release_unmap(qdev, release, &cmd->release_info);
522
523 qxl_release_fence_buffer_objects(release);
524 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
525
526 return ret;
527
528out_free_release:
529 qxl_release_free(qdev, release);
530 return ret;
531}
532
533static int qxl_primary_move_cursor(struct qxl_device *qdev,
534 struct drm_plane_state *plane_state)
535{
536 struct qxl_crtc *qcrtc = to_qxl_crtc(plane_state->crtc);
537 struct qxl_cursor_cmd *cmd;
538 struct qxl_release *release;
539 int ret = 0;
540
541 if (!qcrtc->cursor_bo)
542 return 0;
543
544 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
545 QXL_RELEASE_CURSOR_CMD,
546 &release, NULL);
547 if (ret)
548 return ret;
549
550 ret = qxl_release_reserve_list(release, true);
551 if (ret) {
552 qxl_release_free(qdev, release);
553 return ret;
554 }
555
556 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
557 cmd->type = QXL_CURSOR_MOVE;
558 cmd->u.position.x = plane_state->crtc_x + plane_state->hotspot_x;
559 cmd->u.position.y = plane_state->crtc_y + plane_state->hotspot_y;
560 qxl_release_unmap(qdev, release, &cmd->release_info);
561
562 qxl_release_fence_buffer_objects(release);
563 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
564 return ret;
565}
566
567static struct qxl_bo *qxl_create_cursor(struct qxl_device *qdev,
568 struct qxl_bo *user_bo,
569 int hot_x, int hot_y)
570{
571 static const u32 size = 64 * 64 * 4;
572 struct qxl_bo *cursor_bo;
573 struct iosys_map cursor_map;
574 struct iosys_map user_map;
575 struct qxl_cursor cursor;
576 int ret;
577
578 if (!user_bo)
579 return NULL;
580
581 ret = qxl_bo_create(qdev, sizeof(struct qxl_cursor) + size,
582 false, true, QXL_GEM_DOMAIN_VRAM, 1,
583 NULL, &cursor_bo);
584 if (ret)
585 goto err;
586
587 ret = qxl_bo_pin_and_vmap(cursor_bo, &cursor_map);
588 if (ret)
589 goto err_unref;
590
591 ret = qxl_bo_pin_and_vmap(user_bo, &user_map);
592 if (ret)
593 goto err_unmap;
594
595 cursor.header.unique = 0;
596 cursor.header.type = SPICE_CURSOR_TYPE_ALPHA;
597 cursor.header.width = 64;
598 cursor.header.height = 64;
599 cursor.header.hot_spot_x = hot_x;
600 cursor.header.hot_spot_y = hot_y;
601 cursor.data_size = size;
602 cursor.chunk.next_chunk = 0;
603 cursor.chunk.prev_chunk = 0;
604 cursor.chunk.data_size = size;
605 if (cursor_map.is_iomem) {
606 memcpy_toio(cursor_map.vaddr_iomem,
607 &cursor, sizeof(cursor));
608 memcpy_toio(cursor_map.vaddr_iomem + sizeof(cursor),
609 user_map.vaddr, size);
610 } else {
611 memcpy(cursor_map.vaddr,
612 &cursor, sizeof(cursor));
613 memcpy(cursor_map.vaddr + sizeof(cursor),
614 user_map.vaddr, size);
615 }
616
617 qxl_bo_vunmap_and_unpin(user_bo);
618 qxl_bo_vunmap_and_unpin(cursor_bo);
619 return cursor_bo;
620
621err_unmap:
622 qxl_bo_vunmap_and_unpin(cursor_bo);
623err_unref:
624 qxl_bo_unpin(cursor_bo);
625 qxl_bo_unref(&cursor_bo);
626err:
627 return NULL;
628}
629
630static void qxl_free_cursor(struct qxl_bo *cursor_bo)
631{
632 if (!cursor_bo)
633 return;
634
635 qxl_bo_unpin(cursor_bo);
636 qxl_bo_unref(&cursor_bo);
637}
638
639static void qxl_primary_atomic_update(struct drm_plane *plane,
640 struct drm_atomic_state *state)
641{
642 struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
643 plane);
644 struct qxl_device *qdev = to_qxl(plane->dev);
645 struct qxl_bo *bo = gem_to_qxl_bo(new_state->fb->obj[0]);
646 struct qxl_bo *primary;
647 struct drm_clip_rect norect = {
648 .x1 = 0,
649 .y1 = 0,
650 .x2 = new_state->fb->width,
651 .y2 = new_state->fb->height
652 };
653 uint32_t dumb_shadow_offset = 0;
654
655 primary = bo->shadow ? bo->shadow : bo;
656
657 if (!primary->is_primary) {
658 if (qdev->primary_bo)
659 qxl_io_destroy_primary(qdev);
660 qxl_io_create_primary(qdev, primary);
661 qxl_primary_apply_cursor(qdev, plane->state);
662 }
663
664 if (bo->is_dumb)
665 dumb_shadow_offset =
666 qdev->dumb_heads[new_state->crtc->index].x;
667
668 qxl_draw_dirty_fb(qdev, new_state->fb, bo, 0, 0, &norect, 1, 1,
669 dumb_shadow_offset);
670}
671
672static void qxl_primary_atomic_disable(struct drm_plane *plane,
673 struct drm_atomic_state *state)
674{
675 struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
676 plane);
677 struct qxl_device *qdev = to_qxl(plane->dev);
678
679 if (old_state->fb) {
680 struct qxl_bo *bo = gem_to_qxl_bo(old_state->fb->obj[0]);
681
682 if (bo->shadow)
683 bo = bo->shadow;
684 if (bo->is_primary)
685 qxl_io_destroy_primary(qdev);
686 }
687}
688
689static void qxl_cursor_atomic_update(struct drm_plane *plane,
690 struct drm_atomic_state *state)
691{
692 struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
693 plane);
694 struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
695 plane);
696 struct qxl_device *qdev = to_qxl(plane->dev);
697 struct drm_framebuffer *fb = new_state->fb;
698
699 if (fb != old_state->fb) {
700 qxl_primary_apply_cursor(qdev, new_state);
701 } else {
702 qxl_primary_move_cursor(qdev, new_state);
703 }
704}
705
706static void qxl_cursor_atomic_disable(struct drm_plane *plane,
707 struct drm_atomic_state *state)
708{
709 struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
710 plane);
711 struct qxl_device *qdev = to_qxl(plane->dev);
712 struct qxl_crtc *qcrtc;
713 struct qxl_release *release;
714 struct qxl_cursor_cmd *cmd;
715 int ret;
716
717 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
718 QXL_RELEASE_CURSOR_CMD,
719 &release, NULL);
720 if (ret)
721 return;
722
723 ret = qxl_release_reserve_list(release, true);
724 if (ret) {
725 qxl_release_free(qdev, release);
726 return;
727 }
728
729 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
730 cmd->type = QXL_CURSOR_HIDE;
731 qxl_release_unmap(qdev, release, &cmd->release_info);
732
733 qxl_release_fence_buffer_objects(release);
734 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
735
736 qcrtc = to_qxl_crtc(old_state->crtc);
737 qxl_free_cursor(qcrtc->cursor_bo);
738 qcrtc->cursor_bo = NULL;
739}
740
741static void qxl_update_dumb_head(struct qxl_device *qdev,
742 int index, struct qxl_bo *bo)
743{
744 uint32_t width, height;
745
746 if (index >= qdev->monitors_config->max_allowed)
747 return;
748
749 if (bo && bo->is_dumb) {
750 width = bo->surf.width;
751 height = bo->surf.height;
752 } else {
753 width = 0;
754 height = 0;
755 }
756
757 if (qdev->dumb_heads[index].width == width &&
758 qdev->dumb_heads[index].height == height)
759 return;
760
761 DRM_DEBUG("#%d: %dx%d -> %dx%d\n", index,
762 qdev->dumb_heads[index].width,
763 qdev->dumb_heads[index].height,
764 width, height);
765 qdev->dumb_heads[index].width = width;
766 qdev->dumb_heads[index].height = height;
767}
768
769static void qxl_calc_dumb_shadow(struct qxl_device *qdev,
770 struct qxl_surface *surf)
771{
772 struct qxl_head *head;
773 int i;
774
775 memset(surf, 0, sizeof(*surf));
776 for (i = 0; i < qdev->monitors_config->max_allowed; i++) {
777 head = qdev->dumb_heads + i;
778 head->x = surf->width;
779 surf->width += head->width;
780 if (surf->height < head->height)
781 surf->height = head->height;
782 }
783 if (surf->width < 64)
784 surf->width = 64;
785 if (surf->height < 64)
786 surf->height = 64;
787 surf->format = SPICE_SURFACE_FMT_32_xRGB;
788 surf->stride = surf->width * 4;
789
790 if (!qdev->dumb_shadow_bo ||
791 qdev->dumb_shadow_bo->surf.width != surf->width ||
792 qdev->dumb_shadow_bo->surf.height != surf->height)
793 DRM_DEBUG("%dx%d\n", surf->width, surf->height);
794}
795
796static void qxl_prepare_shadow(struct qxl_device *qdev, struct qxl_bo *user_bo,
797 int crtc_index)
798{
799 struct qxl_surface surf;
800
801 qxl_update_dumb_head(qdev, crtc_index,
802 user_bo);
803 qxl_calc_dumb_shadow(qdev, &surf);
804 if (!qdev->dumb_shadow_bo ||
805 qdev->dumb_shadow_bo->surf.width != surf.width ||
806 qdev->dumb_shadow_bo->surf.height != surf.height) {
807 if (qdev->dumb_shadow_bo) {
808 qxl_bo_unpin(qdev->dumb_shadow_bo);
809 drm_gem_object_put
810 (&qdev->dumb_shadow_bo->tbo.base);
811 qdev->dumb_shadow_bo = NULL;
812 }
813 qxl_bo_create(qdev, surf.height * surf.stride,
814 true, true, QXL_GEM_DOMAIN_SURFACE, 0,
815 &surf, &qdev->dumb_shadow_bo);
816 }
817 if (user_bo->shadow != qdev->dumb_shadow_bo) {
818 if (user_bo->shadow) {
819 qxl_bo_unpin(user_bo->shadow);
820 drm_gem_object_put
821 (&user_bo->shadow->tbo.base);
822 user_bo->shadow = NULL;
823 }
824 drm_gem_object_get(&qdev->dumb_shadow_bo->tbo.base);
825 user_bo->shadow = qdev->dumb_shadow_bo;
826 qxl_bo_pin(user_bo->shadow);
827 }
828}
829
830static int qxl_plane_prepare_fb(struct drm_plane *plane,
831 struct drm_plane_state *new_state)
832{
833 struct qxl_device *qdev = to_qxl(plane->dev);
834 struct drm_gem_object *obj;
835 struct qxl_bo *user_bo;
836 int ret;
837
838 if (!new_state->fb)
839 return 0;
840
841 obj = new_state->fb->obj[0];
842 user_bo = gem_to_qxl_bo(obj);
843
844 if (plane->type == DRM_PLANE_TYPE_PRIMARY &&
845 user_bo->is_dumb) {
846 qxl_prepare_shadow(qdev, user_bo, new_state->crtc->index);
847 }
848
849 if (plane->type == DRM_PLANE_TYPE_CURSOR &&
850 plane->state->fb != new_state->fb) {
851 struct qxl_crtc *qcrtc = to_qxl_crtc(new_state->crtc);
852 struct qxl_bo *old_cursor_bo = qcrtc->cursor_bo;
853
854 qcrtc->cursor_bo = qxl_create_cursor(qdev, user_bo,
855 new_state->hotspot_x,
856 new_state->hotspot_y);
857 qxl_free_cursor(old_cursor_bo);
858 }
859
860 ret = qxl_bo_pin(user_bo);
861 if (ret)
862 return ret;
863
864 return drm_gem_plane_helper_prepare_fb(plane, new_state);
865}
866
867static void qxl_plane_cleanup_fb(struct drm_plane *plane,
868 struct drm_plane_state *old_state)
869{
870 struct drm_gem_object *obj;
871 struct qxl_bo *user_bo;
872
873 if (!old_state->fb) {
874 /*
875 * we never executed prepare_fb, so there's nothing to
876 * unpin.
877 */
878 return;
879 }
880
881 obj = old_state->fb->obj[0];
882 user_bo = gem_to_qxl_bo(obj);
883 qxl_bo_unpin(user_bo);
884
885 if (old_state->fb != plane->state->fb && user_bo->shadow) {
886 qxl_bo_unpin(user_bo->shadow);
887 drm_gem_object_put(&user_bo->shadow->tbo.base);
888 user_bo->shadow = NULL;
889 }
890}
891
892static const uint32_t qxl_cursor_plane_formats[] = {
893 DRM_FORMAT_ARGB8888,
894};
895
896static const struct drm_plane_helper_funcs qxl_cursor_helper_funcs = {
897 .atomic_update = qxl_cursor_atomic_update,
898 .atomic_disable = qxl_cursor_atomic_disable,
899 .prepare_fb = qxl_plane_prepare_fb,
900 .cleanup_fb = qxl_plane_cleanup_fb,
901};
902
903static const struct drm_plane_funcs qxl_cursor_plane_funcs = {
904 .update_plane = drm_atomic_helper_update_plane,
905 .disable_plane = drm_atomic_helper_disable_plane,
906 .destroy = drm_plane_helper_destroy,
907 .reset = drm_atomic_helper_plane_reset,
908 .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
909 .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
910};
911
912static const uint32_t qxl_primary_plane_formats[] = {
913 DRM_FORMAT_XRGB8888,
914 DRM_FORMAT_ARGB8888,
915};
916
917static const struct drm_plane_helper_funcs primary_helper_funcs = {
918 .atomic_check = qxl_primary_atomic_check,
919 .atomic_update = qxl_primary_atomic_update,
920 .atomic_disable = qxl_primary_atomic_disable,
921 .prepare_fb = qxl_plane_prepare_fb,
922 .cleanup_fb = qxl_plane_cleanup_fb,
923};
924
925static const struct drm_plane_funcs qxl_primary_plane_funcs = {
926 .update_plane = drm_atomic_helper_update_plane,
927 .disable_plane = drm_atomic_helper_disable_plane,
928 .destroy = drm_plane_helper_destroy,
929 .reset = drm_atomic_helper_plane_reset,
930 .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
931 .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
932};
933
934static struct drm_plane *qxl_create_plane(struct qxl_device *qdev,
935 unsigned int possible_crtcs,
936 enum drm_plane_type type)
937{
938 const struct drm_plane_helper_funcs *helper_funcs = NULL;
939 struct drm_plane *plane;
940 const struct drm_plane_funcs *funcs;
941 const uint32_t *formats;
942 int num_formats;
943 int err;
944
945 if (type == DRM_PLANE_TYPE_PRIMARY) {
946 funcs = &qxl_primary_plane_funcs;
947 formats = qxl_primary_plane_formats;
948 num_formats = ARRAY_SIZE(qxl_primary_plane_formats);
949 helper_funcs = &primary_helper_funcs;
950 } else if (type == DRM_PLANE_TYPE_CURSOR) {
951 funcs = &qxl_cursor_plane_funcs;
952 formats = qxl_cursor_plane_formats;
953 helper_funcs = &qxl_cursor_helper_funcs;
954 num_formats = ARRAY_SIZE(qxl_cursor_plane_formats);
955 } else {
956 return ERR_PTR(-EINVAL);
957 }
958
959 plane = kzalloc(sizeof(*plane), GFP_KERNEL);
960 if (!plane)
961 return ERR_PTR(-ENOMEM);
962
963 err = drm_universal_plane_init(&qdev->ddev, plane, possible_crtcs,
964 funcs, formats, num_formats,
965 NULL, type, NULL);
966 if (err)
967 goto free_plane;
968
969 drm_plane_helper_add(plane, helper_funcs);
970
971 return plane;
972
973free_plane:
974 kfree(plane);
975 return ERR_PTR(-EINVAL);
976}
977
978static int qdev_crtc_init(struct drm_device *dev, int crtc_id)
979{
980 struct qxl_crtc *qxl_crtc;
981 struct drm_plane *primary, *cursor;
982 struct qxl_device *qdev = to_qxl(dev);
983 int r;
984
985 qxl_crtc = kzalloc(sizeof(struct qxl_crtc), GFP_KERNEL);
986 if (!qxl_crtc)
987 return -ENOMEM;
988
989 primary = qxl_create_plane(qdev, 1 << crtc_id, DRM_PLANE_TYPE_PRIMARY);
990 if (IS_ERR(primary)) {
991 r = -ENOMEM;
992 goto free_mem;
993 }
994
995 cursor = qxl_create_plane(qdev, 1 << crtc_id, DRM_PLANE_TYPE_CURSOR);
996 if (IS_ERR(cursor)) {
997 r = -ENOMEM;
998 goto clean_primary;
999 }
1000
1001 r = drm_crtc_init_with_planes(dev, &qxl_crtc->base, primary, cursor,
1002 &qxl_crtc_funcs, NULL);
1003 if (r)
1004 goto clean_cursor;
1005
1006 qxl_crtc->index = crtc_id;
1007 drm_crtc_helper_add(&qxl_crtc->base, &qxl_crtc_helper_funcs);
1008 return 0;
1009
1010clean_cursor:
1011 drm_plane_cleanup(cursor);
1012 kfree(cursor);
1013clean_primary:
1014 drm_plane_cleanup(primary);
1015 kfree(primary);
1016free_mem:
1017 kfree(qxl_crtc);
1018 return r;
1019}
1020
1021static int qxl_conn_get_modes(struct drm_connector *connector)
1022{
1023 struct drm_device *dev = connector->dev;
1024 struct qxl_device *qdev = to_qxl(dev);
1025 struct qxl_output *output = drm_connector_to_qxl_output(connector);
1026 unsigned int pwidth = 1024;
1027 unsigned int pheight = 768;
1028 int ret = 0;
1029
1030 if (qdev->client_monitors_config) {
1031 struct qxl_head *head;
1032 head = &qdev->client_monitors_config->heads[output->index];
1033 if (head->width)
1034 pwidth = head->width;
1035 if (head->height)
1036 pheight = head->height;
1037 }
1038
1039 ret += drm_add_modes_noedid(connector, 8192, 8192);
1040 ret += qxl_add_extra_modes(connector);
1041 ret += qxl_add_monitors_config_modes(connector);
1042 drm_set_preferred_mode(connector, pwidth, pheight);
1043 return ret;
1044}
1045
1046static enum drm_mode_status qxl_conn_mode_valid(struct drm_connector *connector,
1047 struct drm_display_mode *mode)
1048{
1049 struct drm_device *ddev = connector->dev;
1050 struct qxl_device *qdev = to_qxl(ddev);
1051
1052 if (qxl_check_mode(qdev, mode->hdisplay, mode->vdisplay) != 0)
1053 return MODE_BAD;
1054
1055 return MODE_OK;
1056}
1057
1058static struct drm_encoder *qxl_best_encoder(struct drm_connector *connector)
1059{
1060 struct qxl_output *qxl_output =
1061 drm_connector_to_qxl_output(connector);
1062
1063 DRM_DEBUG("\n");
1064 return &qxl_output->enc;
1065}
1066
1067static const struct drm_connector_helper_funcs qxl_connector_helper_funcs = {
1068 .get_modes = qxl_conn_get_modes,
1069 .mode_valid = qxl_conn_mode_valid,
1070 .best_encoder = qxl_best_encoder,
1071};
1072
1073static enum drm_connector_status qxl_conn_detect(
1074 struct drm_connector *connector,
1075 bool force)
1076{
1077 struct qxl_output *output =
1078 drm_connector_to_qxl_output(connector);
1079 struct drm_device *ddev = connector->dev;
1080 struct qxl_device *qdev = to_qxl(ddev);
1081 bool connected = false;
1082
1083 /* The first monitor is always connected */
1084 if (!qdev->client_monitors_config) {
1085 if (output->index == 0)
1086 connected = true;
1087 } else
1088 connected = qdev->client_monitors_config->count > output->index &&
1089 qxl_head_enabled(&qdev->client_monitors_config->heads[output->index]);
1090
1091 DRM_DEBUG("#%d connected: %d\n", output->index, connected);
1092
1093 return connected ? connector_status_connected
1094 : connector_status_disconnected;
1095}
1096
1097static void qxl_conn_destroy(struct drm_connector *connector)
1098{
1099 struct qxl_output *qxl_output =
1100 drm_connector_to_qxl_output(connector);
1101
1102 drm_connector_unregister(connector);
1103 drm_connector_cleanup(connector);
1104 kfree(qxl_output);
1105}
1106
1107static const struct drm_connector_funcs qxl_connector_funcs = {
1108 .detect = qxl_conn_detect,
1109 .fill_modes = drm_helper_probe_single_connector_modes,
1110 .destroy = qxl_conn_destroy,
1111 .reset = drm_atomic_helper_connector_reset,
1112 .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
1113 .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
1114};
1115
1116static int qxl_mode_create_hotplug_mode_update_property(struct qxl_device *qdev)
1117{
1118 if (qdev->hotplug_mode_update_property)
1119 return 0;
1120
1121 qdev->hotplug_mode_update_property =
1122 drm_property_create_range(&qdev->ddev, DRM_MODE_PROP_IMMUTABLE,
1123 "hotplug_mode_update", 0, 1);
1124
1125 return 0;
1126}
1127
1128static int qdev_output_init(struct drm_device *dev, int num_output)
1129{
1130 struct qxl_device *qdev = to_qxl(dev);
1131 struct qxl_output *qxl_output;
1132 struct drm_connector *connector;
1133 struct drm_encoder *encoder;
1134 int ret;
1135
1136 qxl_output = kzalloc(sizeof(struct qxl_output), GFP_KERNEL);
1137 if (!qxl_output)
1138 return -ENOMEM;
1139
1140 qxl_output->index = num_output;
1141
1142 connector = &qxl_output->base;
1143 encoder = &qxl_output->enc;
1144 drm_connector_init(dev, &qxl_output->base,
1145 &qxl_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL);
1146
1147 ret = drm_simple_encoder_init(dev, &qxl_output->enc,
1148 DRM_MODE_ENCODER_VIRTUAL);
1149 if (ret) {
1150 drm_err(dev, "drm_simple_encoder_init() failed, error %d\n",
1151 ret);
1152 goto err_drm_connector_cleanup;
1153 }
1154
1155 /* we get HPD via client monitors config */
1156 connector->polled = DRM_CONNECTOR_POLL_HPD;
1157 encoder->possible_crtcs = 1 << num_output;
1158 drm_connector_attach_encoder(&qxl_output->base,
1159 &qxl_output->enc);
1160 drm_connector_helper_add(connector, &qxl_connector_helper_funcs);
1161
1162 drm_object_attach_property(&connector->base,
1163 qdev->hotplug_mode_update_property, 0);
1164 drm_object_attach_property(&connector->base,
1165 dev->mode_config.suggested_x_property, 0);
1166 drm_object_attach_property(&connector->base,
1167 dev->mode_config.suggested_y_property, 0);
1168 return 0;
1169
1170err_drm_connector_cleanup:
1171 drm_connector_cleanup(&qxl_output->base);
1172 kfree(qxl_output);
1173 return ret;
1174}
1175
1176static struct drm_framebuffer *
1177qxl_user_framebuffer_create(struct drm_device *dev,
1178 struct drm_file *file_priv,
1179 const struct drm_mode_fb_cmd2 *mode_cmd)
1180{
1181 return drm_gem_fb_create_with_funcs(dev, file_priv, mode_cmd,
1182 &qxl_fb_funcs);
1183}
1184
1185static const struct drm_mode_config_funcs qxl_mode_funcs = {
1186 .fb_create = qxl_user_framebuffer_create,
1187 .atomic_check = drm_atomic_helper_check,
1188 .atomic_commit = drm_atomic_helper_commit,
1189};
1190
1191int qxl_create_monitors_object(struct qxl_device *qdev)
1192{
1193 int ret;
1194 struct drm_gem_object *gobj;
1195 struct iosys_map map;
1196 int monitors_config_size = sizeof(struct qxl_monitors_config) +
1197 qxl_num_crtc * sizeof(struct qxl_head);
1198
1199 ret = qxl_gem_object_create(qdev, monitors_config_size, 0,
1200 QXL_GEM_DOMAIN_VRAM,
1201 false, false, NULL, &gobj);
1202 if (ret) {
1203 DRM_ERROR("%s: failed to create gem ret=%d\n", __func__, ret);
1204 return -ENOMEM;
1205 }
1206 qdev->monitors_config_bo = gem_to_qxl_bo(gobj);
1207
1208 ret = qxl_bo_pin_and_vmap(qdev->monitors_config_bo, &map);
1209 if (ret)
1210 return ret;
1211
1212 qdev->monitors_config = qdev->monitors_config_bo->kptr;
1213 qdev->ram_header->monitors_config =
1214 qxl_bo_physical_address(qdev, qdev->monitors_config_bo, 0);
1215
1216 memset(qdev->monitors_config, 0, monitors_config_size);
1217 qdev->dumb_heads = kcalloc(qxl_num_crtc, sizeof(qdev->dumb_heads[0]),
1218 GFP_KERNEL);
1219 if (!qdev->dumb_heads) {
1220 qxl_destroy_monitors_object(qdev);
1221 return -ENOMEM;
1222 }
1223 return 0;
1224}
1225
1226int qxl_destroy_monitors_object(struct qxl_device *qdev)
1227{
1228 int ret;
1229
1230 if (!qdev->monitors_config_bo)
1231 return 0;
1232
1233 kfree(qdev->dumb_heads);
1234 qdev->dumb_heads = NULL;
1235
1236 qdev->monitors_config = NULL;
1237 qdev->ram_header->monitors_config = 0;
1238
1239 ret = qxl_bo_vunmap_and_unpin(qdev->monitors_config_bo);
1240 if (ret)
1241 return ret;
1242
1243 qxl_bo_unref(&qdev->monitors_config_bo);
1244 return 0;
1245}
1246
1247int qxl_modeset_init(struct qxl_device *qdev)
1248{
1249 int i;
1250 int ret;
1251
1252 ret = drmm_mode_config_init(&qdev->ddev);
1253 if (ret)
1254 return ret;
1255
1256 ret = qxl_create_monitors_object(qdev);
1257 if (ret)
1258 return ret;
1259
1260 qdev->ddev.mode_config.funcs = (void *)&qxl_mode_funcs;
1261
1262 /* modes will be validated against the framebuffer size */
1263 qdev->ddev.mode_config.min_width = 0;
1264 qdev->ddev.mode_config.min_height = 0;
1265 qdev->ddev.mode_config.max_width = 8192;
1266 qdev->ddev.mode_config.max_height = 8192;
1267
1268 drm_mode_create_suggested_offset_properties(&qdev->ddev);
1269 qxl_mode_create_hotplug_mode_update_property(qdev);
1270
1271 for (i = 0 ; i < qxl_num_crtc; ++i) {
1272 qdev_crtc_init(&qdev->ddev, i);
1273 qdev_output_init(&qdev->ddev, i);
1274 }
1275
1276 qxl_display_read_client_monitors_config(qdev);
1277
1278 drm_mode_config_reset(&qdev->ddev);
1279 return 0;
1280}
1281
1282void qxl_modeset_fini(struct qxl_device *qdev)
1283{
1284 if (qdev->dumb_shadow_bo) {
1285 qxl_bo_unpin(qdev->dumb_shadow_bo);
1286 drm_gem_object_put(&qdev->dumb_shadow_bo->tbo.base);
1287 qdev->dumb_shadow_bo = NULL;
1288 }
1289 qxl_destroy_monitors_object(qdev);
1290}