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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
27#include <linux/crc32.h>
28
29#include "qxl_drv.h"
30#include "qxl_object.h"
31#include "drm_crtc_helper.h"
32#include <drm/drm_plane_helper.h>
33
34static bool qxl_head_enabled(struct qxl_head *head)
35{
36 return head->width && head->height;
37}
38
39static void qxl_alloc_client_monitors_config(struct qxl_device *qdev, unsigned count)
40{
41 if (qdev->client_monitors_config &&
42 count > qdev->client_monitors_config->count) {
43 kfree(qdev->client_monitors_config);
44 qdev->client_monitors_config = NULL;
45 }
46 if (!qdev->client_monitors_config) {
47 qdev->client_monitors_config = kzalloc(
48 sizeof(struct qxl_monitors_config) +
49 sizeof(struct qxl_head) * count, GFP_KERNEL);
50 if (!qdev->client_monitors_config) {
51 qxl_io_log(qdev,
52 "%s: allocation failure for %u heads\n",
53 __func__, count);
54 return;
55 }
56 }
57 qdev->client_monitors_config->count = count;
58}
59
60enum {
61 MONITORS_CONFIG_MODIFIED,
62 MONITORS_CONFIG_UNCHANGED,
63 MONITORS_CONFIG_BAD_CRC,
64};
65
66static int qxl_display_copy_rom_client_monitors_config(struct qxl_device *qdev)
67{
68 int i;
69 int num_monitors;
70 uint32_t crc;
71 int status = MONITORS_CONFIG_UNCHANGED;
72
73 num_monitors = qdev->rom->client_monitors_config.count;
74 crc = crc32(0, (const uint8_t *)&qdev->rom->client_monitors_config,
75 sizeof(qdev->rom->client_monitors_config));
76 if (crc != qdev->rom->client_monitors_config_crc) {
77 qxl_io_log(qdev, "crc mismatch: have %X (%zd) != %X\n", crc,
78 sizeof(qdev->rom->client_monitors_config),
79 qdev->rom->client_monitors_config_crc);
80 return MONITORS_CONFIG_BAD_CRC;
81 }
82 if (num_monitors > qdev->monitors_config->max_allowed) {
83 DRM_DEBUG_KMS("client monitors list will be truncated: %d < %d\n",
84 qdev->monitors_config->max_allowed, num_monitors);
85 num_monitors = qdev->monitors_config->max_allowed;
86 } else {
87 num_monitors = qdev->rom->client_monitors_config.count;
88 }
89 if (qdev->client_monitors_config
90 && (num_monitors != qdev->client_monitors_config->count)) {
91 status = MONITORS_CONFIG_MODIFIED;
92 }
93 qxl_alloc_client_monitors_config(qdev, num_monitors);
94 /* we copy max from the client but it isn't used */
95 qdev->client_monitors_config->max_allowed =
96 qdev->monitors_config->max_allowed;
97 for (i = 0 ; i < qdev->client_monitors_config->count ; ++i) {
98 struct qxl_urect *c_rect =
99 &qdev->rom->client_monitors_config.heads[i];
100 struct qxl_head *client_head =
101 &qdev->client_monitors_config->heads[i];
102 if (client_head->x != c_rect->left) {
103 client_head->x = c_rect->left;
104 status = MONITORS_CONFIG_MODIFIED;
105 }
106 if (client_head->y != c_rect->top) {
107 client_head->y = c_rect->top;
108 status = MONITORS_CONFIG_MODIFIED;
109 }
110 if (client_head->width != c_rect->right - c_rect->left) {
111 client_head->width = c_rect->right - c_rect->left;
112 status = MONITORS_CONFIG_MODIFIED;
113 }
114 if (client_head->height != c_rect->bottom - c_rect->top) {
115 client_head->height = c_rect->bottom - c_rect->top;
116 status = MONITORS_CONFIG_MODIFIED;
117 }
118 if (client_head->surface_id != 0) {
119 client_head->surface_id = 0;
120 status = MONITORS_CONFIG_MODIFIED;
121 }
122 if (client_head->id != i) {
123 client_head->id = i;
124 status = MONITORS_CONFIG_MODIFIED;
125 }
126 if (client_head->flags != 0) {
127 client_head->flags = 0;
128 status = MONITORS_CONFIG_MODIFIED;
129 }
130 DRM_DEBUG_KMS("read %dx%d+%d+%d\n", client_head->width, client_head->height,
131 client_head->x, client_head->y);
132 }
133
134 return status;
135}
136
137static void qxl_update_offset_props(struct qxl_device *qdev)
138{
139 struct drm_device *dev = qdev->ddev;
140 struct drm_connector *connector;
141 struct qxl_output *output;
142 struct qxl_head *head;
143
144 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
145 output = drm_connector_to_qxl_output(connector);
146
147 head = &qdev->client_monitors_config->heads[output->index];
148
149 drm_object_property_set_value(&connector->base,
150 dev->mode_config.suggested_x_property, head->x);
151 drm_object_property_set_value(&connector->base,
152 dev->mode_config.suggested_y_property, head->y);
153 }
154}
155
156void qxl_display_read_client_monitors_config(struct qxl_device *qdev)
157{
158
159 struct drm_device *dev = qdev->ddev;
160 int status;
161
162 status = qxl_display_copy_rom_client_monitors_config(qdev);
163 while (status == MONITORS_CONFIG_BAD_CRC) {
164 qxl_io_log(qdev, "failed crc check for client_monitors_config,"
165 " retrying\n");
166 status = qxl_display_copy_rom_client_monitors_config(qdev);
167 }
168 if (status == MONITORS_CONFIG_UNCHANGED) {
169 qxl_io_log(qdev, "config unchanged\n");
170 DRM_DEBUG("ignoring unchanged client monitors config");
171 return;
172 }
173
174 drm_modeset_lock_all(dev);
175 qxl_update_offset_props(qdev);
176 drm_modeset_unlock_all(dev);
177 if (!drm_helper_hpd_irq_event(qdev->ddev)) {
178 /* notify that the monitor configuration changed, to
179 adjust at the arbitrary resolution */
180 drm_kms_helper_hotplug_event(qdev->ddev);
181 }
182}
183
184static int qxl_add_monitors_config_modes(struct drm_connector *connector,
185 unsigned *pwidth,
186 unsigned *pheight)
187{
188 struct drm_device *dev = connector->dev;
189 struct qxl_device *qdev = dev->dev_private;
190 struct qxl_output *output = drm_connector_to_qxl_output(connector);
191 int h = output->index;
192 struct drm_display_mode *mode = NULL;
193 struct qxl_head *head;
194
195 if (!qdev->client_monitors_config)
196 return 0;
197 head = &qdev->client_monitors_config->heads[h];
198
199 mode = drm_cvt_mode(dev, head->width, head->height, 60, false, false,
200 false);
201 mode->type |= DRM_MODE_TYPE_PREFERRED;
202 mode->hdisplay = head->width;
203 mode->vdisplay = head->height;
204 drm_mode_set_name(mode);
205 *pwidth = head->width;
206 *pheight = head->height;
207 drm_mode_probed_add(connector, mode);
208 /* remember the last custom size for mode validation */
209 qdev->monitors_config_width = mode->hdisplay;
210 qdev->monitors_config_height = mode->vdisplay;
211 return 1;
212}
213
214static struct mode_size {
215 int w;
216 int h;
217} common_modes[] = {
218 { 640, 480},
219 { 720, 480},
220 { 800, 600},
221 { 848, 480},
222 {1024, 768},
223 {1152, 768},
224 {1280, 720},
225 {1280, 800},
226 {1280, 854},
227 {1280, 960},
228 {1280, 1024},
229 {1440, 900},
230 {1400, 1050},
231 {1680, 1050},
232 {1600, 1200},
233 {1920, 1080},
234 {1920, 1200}
235};
236
237static int qxl_add_common_modes(struct drm_connector *connector,
238 unsigned pwidth,
239 unsigned pheight)
240{
241 struct drm_device *dev = connector->dev;
242 struct drm_display_mode *mode = NULL;
243 int i;
244 for (i = 0; i < ARRAY_SIZE(common_modes); i++) {
245 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h,
246 60, false, false, false);
247 if (common_modes[i].w == pwidth && common_modes[i].h == pheight)
248 mode->type |= DRM_MODE_TYPE_PREFERRED;
249 drm_mode_probed_add(connector, mode);
250 }
251 return i - 1;
252}
253
254static void qxl_crtc_destroy(struct drm_crtc *crtc)
255{
256 struct qxl_crtc *qxl_crtc = to_qxl_crtc(crtc);
257
258 drm_crtc_cleanup(crtc);
259 qxl_bo_unref(&qxl_crtc->cursor_bo);
260 kfree(qxl_crtc);
261}
262
263static int qxl_crtc_page_flip(struct drm_crtc *crtc,
264 struct drm_framebuffer *fb,
265 struct drm_pending_vblank_event *event,
266 uint32_t page_flip_flags)
267{
268 struct drm_device *dev = crtc->dev;
269 struct qxl_device *qdev = dev->dev_private;
270 struct qxl_framebuffer *qfb_src = to_qxl_framebuffer(fb);
271 struct qxl_framebuffer *qfb_old = to_qxl_framebuffer(crtc->primary->fb);
272 struct qxl_bo *bo_old = gem_to_qxl_bo(qfb_old->obj);
273 struct qxl_bo *bo = gem_to_qxl_bo(qfb_src->obj);
274 unsigned long flags;
275 struct drm_clip_rect norect = {
276 .x1 = 0,
277 .y1 = 0,
278 .x2 = fb->width,
279 .y2 = fb->height
280 };
281 int inc = 1;
282 int one_clip_rect = 1;
283 int ret = 0;
284
285 crtc->primary->fb = fb;
286 bo_old->is_primary = false;
287 bo->is_primary = true;
288
289 ret = qxl_bo_reserve(bo, false);
290 if (ret)
291 return ret;
292 ret = qxl_bo_pin(bo, bo->type, NULL);
293 qxl_bo_unreserve(bo);
294 if (ret)
295 return ret;
296
297 qxl_draw_dirty_fb(qdev, qfb_src, bo, 0, 0,
298 &norect, one_clip_rect, inc);
299
300 drm_crtc_vblank_get(crtc);
301
302 if (event) {
303 spin_lock_irqsave(&dev->event_lock, flags);
304 drm_crtc_send_vblank_event(crtc, event);
305 spin_unlock_irqrestore(&dev->event_lock, flags);
306 }
307 drm_crtc_vblank_put(crtc);
308
309 ret = qxl_bo_reserve(bo, false);
310 if (!ret) {
311 qxl_bo_unpin(bo);
312 qxl_bo_unreserve(bo);
313 }
314
315 return 0;
316}
317
318static int
319qxl_hide_cursor(struct qxl_device *qdev)
320{
321 struct qxl_release *release;
322 struct qxl_cursor_cmd *cmd;
323 int ret;
324
325 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), QXL_RELEASE_CURSOR_CMD,
326 &release, NULL);
327 if (ret)
328 return ret;
329
330 ret = qxl_release_reserve_list(release, true);
331 if (ret) {
332 qxl_release_free(qdev, release);
333 return ret;
334 }
335
336 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
337 cmd->type = QXL_CURSOR_HIDE;
338 qxl_release_unmap(qdev, release, &cmd->release_info);
339
340 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
341 qxl_release_fence_buffer_objects(release);
342 return 0;
343}
344
345static int qxl_crtc_apply_cursor(struct drm_crtc *crtc)
346{
347 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
348 struct drm_device *dev = crtc->dev;
349 struct qxl_device *qdev = dev->dev_private;
350 struct qxl_cursor_cmd *cmd;
351 struct qxl_release *release;
352 int ret = 0;
353
354 if (!qcrtc->cursor_bo)
355 return 0;
356
357 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
358 QXL_RELEASE_CURSOR_CMD,
359 &release, NULL);
360 if (ret)
361 return ret;
362
363 ret = qxl_release_list_add(release, qcrtc->cursor_bo);
364 if (ret)
365 goto out_free_release;
366
367 ret = qxl_release_reserve_list(release, false);
368 if (ret)
369 goto out_free_release;
370
371 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
372 cmd->type = QXL_CURSOR_SET;
373 cmd->u.set.position.x = qcrtc->cur_x + qcrtc->hot_spot_x;
374 cmd->u.set.position.y = qcrtc->cur_y + qcrtc->hot_spot_y;
375
376 cmd->u.set.shape = qxl_bo_physical_address(qdev, qcrtc->cursor_bo, 0);
377
378 cmd->u.set.visible = 1;
379 qxl_release_unmap(qdev, release, &cmd->release_info);
380
381 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
382 qxl_release_fence_buffer_objects(release);
383
384 return ret;
385
386out_free_release:
387 qxl_release_free(qdev, release);
388 return ret;
389}
390
391static int qxl_crtc_cursor_set2(struct drm_crtc *crtc,
392 struct drm_file *file_priv,
393 uint32_t handle,
394 uint32_t width,
395 uint32_t height, int32_t hot_x, int32_t hot_y)
396{
397 struct drm_device *dev = crtc->dev;
398 struct qxl_device *qdev = dev->dev_private;
399 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
400 struct drm_gem_object *obj;
401 struct qxl_cursor *cursor;
402 struct qxl_cursor_cmd *cmd;
403 struct qxl_bo *cursor_bo, *user_bo;
404 struct qxl_release *release;
405 void *user_ptr;
406
407 int size = 64*64*4;
408 int ret = 0;
409 if (!handle)
410 return qxl_hide_cursor(qdev);
411
412 obj = drm_gem_object_lookup(file_priv, handle);
413 if (!obj) {
414 DRM_ERROR("cannot find cursor object\n");
415 return -ENOENT;
416 }
417
418 user_bo = gem_to_qxl_bo(obj);
419
420 ret = qxl_bo_reserve(user_bo, false);
421 if (ret)
422 goto out_unref;
423
424 ret = qxl_bo_pin(user_bo, QXL_GEM_DOMAIN_CPU, NULL);
425 qxl_bo_unreserve(user_bo);
426 if (ret)
427 goto out_unref;
428
429 ret = qxl_bo_kmap(user_bo, &user_ptr);
430 if (ret)
431 goto out_unpin;
432
433 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
434 QXL_RELEASE_CURSOR_CMD,
435 &release, NULL);
436 if (ret)
437 goto out_kunmap;
438
439 ret = qxl_alloc_bo_reserved(qdev, release, sizeof(struct qxl_cursor) + size,
440 &cursor_bo);
441 if (ret)
442 goto out_free_release;
443
444 ret = qxl_release_reserve_list(release, false);
445 if (ret)
446 goto out_free_bo;
447
448 ret = qxl_bo_kmap(cursor_bo, (void **)&cursor);
449 if (ret)
450 goto out_backoff;
451
452 cursor->header.unique = 0;
453 cursor->header.type = SPICE_CURSOR_TYPE_ALPHA;
454 cursor->header.width = 64;
455 cursor->header.height = 64;
456 cursor->header.hot_spot_x = hot_x;
457 cursor->header.hot_spot_y = hot_y;
458 cursor->data_size = size;
459 cursor->chunk.next_chunk = 0;
460 cursor->chunk.prev_chunk = 0;
461 cursor->chunk.data_size = size;
462
463 memcpy(cursor->chunk.data, user_ptr, size);
464
465 qxl_bo_kunmap(cursor_bo);
466
467 qxl_bo_kunmap(user_bo);
468
469 qcrtc->cur_x += qcrtc->hot_spot_x - hot_x;
470 qcrtc->cur_y += qcrtc->hot_spot_y - hot_y;
471 qcrtc->hot_spot_x = hot_x;
472 qcrtc->hot_spot_y = hot_y;
473
474 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
475 cmd->type = QXL_CURSOR_SET;
476 cmd->u.set.position.x = qcrtc->cur_x + qcrtc->hot_spot_x;
477 cmd->u.set.position.y = qcrtc->cur_y + qcrtc->hot_spot_y;
478
479 cmd->u.set.shape = qxl_bo_physical_address(qdev, cursor_bo, 0);
480
481 cmd->u.set.visible = 1;
482 qxl_release_unmap(qdev, release, &cmd->release_info);
483
484 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
485 qxl_release_fence_buffer_objects(release);
486
487 /* finish with the userspace bo */
488 ret = qxl_bo_reserve(user_bo, false);
489 if (!ret) {
490 qxl_bo_unpin(user_bo);
491 qxl_bo_unreserve(user_bo);
492 }
493 drm_gem_object_unreference_unlocked(obj);
494
495 qxl_bo_unref (&qcrtc->cursor_bo);
496 qcrtc->cursor_bo = cursor_bo;
497
498 return ret;
499
500out_backoff:
501 qxl_release_backoff_reserve_list(release);
502out_free_bo:
503 qxl_bo_unref(&cursor_bo);
504out_free_release:
505 qxl_release_free(qdev, release);
506out_kunmap:
507 qxl_bo_kunmap(user_bo);
508out_unpin:
509 qxl_bo_unpin(user_bo);
510out_unref:
511 drm_gem_object_unreference_unlocked(obj);
512 return ret;
513}
514
515static int qxl_crtc_cursor_move(struct drm_crtc *crtc,
516 int x, int y)
517{
518 struct drm_device *dev = crtc->dev;
519 struct qxl_device *qdev = dev->dev_private;
520 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
521 struct qxl_release *release;
522 struct qxl_cursor_cmd *cmd;
523 int ret;
524
525 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), QXL_RELEASE_CURSOR_CMD,
526 &release, NULL);
527 if (ret)
528 return ret;
529
530 ret = qxl_release_reserve_list(release, true);
531 if (ret) {
532 qxl_release_free(qdev, release);
533 return ret;
534 }
535
536 qcrtc->cur_x = x;
537 qcrtc->cur_y = y;
538
539 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
540 cmd->type = QXL_CURSOR_MOVE;
541 cmd->u.position.x = qcrtc->cur_x + qcrtc->hot_spot_x;
542 cmd->u.position.y = qcrtc->cur_y + qcrtc->hot_spot_y;
543 qxl_release_unmap(qdev, release, &cmd->release_info);
544
545 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
546 qxl_release_fence_buffer_objects(release);
547
548 return 0;
549}
550
551
552static const struct drm_crtc_funcs qxl_crtc_funcs = {
553 .cursor_set2 = qxl_crtc_cursor_set2,
554 .cursor_move = qxl_crtc_cursor_move,
555 .set_config = drm_crtc_helper_set_config,
556 .destroy = qxl_crtc_destroy,
557 .page_flip = qxl_crtc_page_flip,
558};
559
560void qxl_user_framebuffer_destroy(struct drm_framebuffer *fb)
561{
562 struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb);
563
564 drm_gem_object_unreference_unlocked(qxl_fb->obj);
565 drm_framebuffer_cleanup(fb);
566 kfree(qxl_fb);
567}
568
569static int qxl_framebuffer_surface_dirty(struct drm_framebuffer *fb,
570 struct drm_file *file_priv,
571 unsigned flags, unsigned color,
572 struct drm_clip_rect *clips,
573 unsigned num_clips)
574{
575 /* TODO: vmwgfx where this was cribbed from had locking. Why? */
576 struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb);
577 struct qxl_device *qdev = qxl_fb->base.dev->dev_private;
578 struct drm_clip_rect norect;
579 struct qxl_bo *qobj;
580 int inc = 1;
581
582 drm_modeset_lock_all(fb->dev);
583
584 qobj = gem_to_qxl_bo(qxl_fb->obj);
585 /* if we aren't primary surface ignore this */
586 if (!qobj->is_primary) {
587 drm_modeset_unlock_all(fb->dev);
588 return 0;
589 }
590
591 if (!num_clips) {
592 num_clips = 1;
593 clips = &norect;
594 norect.x1 = norect.y1 = 0;
595 norect.x2 = fb->width;
596 norect.y2 = fb->height;
597 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
598 num_clips /= 2;
599 inc = 2; /* skip source rects */
600 }
601
602 qxl_draw_dirty_fb(qdev, qxl_fb, qobj, flags, color,
603 clips, num_clips, inc);
604
605 drm_modeset_unlock_all(fb->dev);
606
607 return 0;
608}
609
610static const struct drm_framebuffer_funcs qxl_fb_funcs = {
611 .destroy = qxl_user_framebuffer_destroy,
612 .dirty = qxl_framebuffer_surface_dirty,
613/* TODO?
614 * .create_handle = qxl_user_framebuffer_create_handle, */
615};
616
617int
618qxl_framebuffer_init(struct drm_device *dev,
619 struct qxl_framebuffer *qfb,
620 const struct drm_mode_fb_cmd2 *mode_cmd,
621 struct drm_gem_object *obj,
622 const struct drm_framebuffer_funcs *funcs)
623{
624 int ret;
625
626 qfb->obj = obj;
627 ret = drm_framebuffer_init(dev, &qfb->base, funcs);
628 if (ret) {
629 qfb->obj = NULL;
630 return ret;
631 }
632 drm_helper_mode_fill_fb_struct(&qfb->base, mode_cmd);
633 return 0;
634}
635
636static void qxl_crtc_dpms(struct drm_crtc *crtc, int mode)
637{
638}
639
640static bool qxl_crtc_mode_fixup(struct drm_crtc *crtc,
641 const struct drm_display_mode *mode,
642 struct drm_display_mode *adjusted_mode)
643{
644 struct drm_device *dev = crtc->dev;
645 struct qxl_device *qdev = dev->dev_private;
646
647 qxl_io_log(qdev, "%s: (%d,%d) => (%d,%d)\n",
648 __func__,
649 mode->hdisplay, mode->vdisplay,
650 adjusted_mode->hdisplay,
651 adjusted_mode->vdisplay);
652 return true;
653}
654
655static void
656qxl_send_monitors_config(struct qxl_device *qdev)
657{
658 int i;
659
660 BUG_ON(!qdev->ram_header->monitors_config);
661
662 if (qdev->monitors_config->count == 0) {
663 qxl_io_log(qdev, "%s: 0 monitors??\n", __func__);
664 return;
665 }
666 for (i = 0 ; i < qdev->monitors_config->count ; ++i) {
667 struct qxl_head *head = &qdev->monitors_config->heads[i];
668
669 if (head->y > 8192 || head->x > 8192 ||
670 head->width > 8192 || head->height > 8192) {
671 DRM_ERROR("head %d wrong: %dx%d+%d+%d\n",
672 i, head->width, head->height,
673 head->x, head->y);
674 return;
675 }
676 }
677 qxl_io_monitors_config(qdev);
678}
679
680static void qxl_monitors_config_set(struct qxl_device *qdev,
681 int index,
682 unsigned x, unsigned y,
683 unsigned width, unsigned height,
684 unsigned surf_id)
685{
686 DRM_DEBUG_KMS("%d:%dx%d+%d+%d\n", index, width, height, x, y);
687 qdev->monitors_config->heads[index].x = x;
688 qdev->monitors_config->heads[index].y = y;
689 qdev->monitors_config->heads[index].width = width;
690 qdev->monitors_config->heads[index].height = height;
691 qdev->monitors_config->heads[index].surface_id = surf_id;
692
693}
694
695static int qxl_crtc_mode_set(struct drm_crtc *crtc,
696 struct drm_display_mode *mode,
697 struct drm_display_mode *adjusted_mode,
698 int x, int y,
699 struct drm_framebuffer *old_fb)
700{
701 struct drm_device *dev = crtc->dev;
702 struct qxl_device *qdev = dev->dev_private;
703 struct qxl_framebuffer *qfb;
704 struct qxl_bo *bo, *old_bo = NULL;
705 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
706 bool recreate_primary = false;
707 int ret;
708 int surf_id;
709 if (!crtc->primary->fb) {
710 DRM_DEBUG_KMS("No FB bound\n");
711 return 0;
712 }
713
714 if (old_fb) {
715 qfb = to_qxl_framebuffer(old_fb);
716 old_bo = gem_to_qxl_bo(qfb->obj);
717 }
718 qfb = to_qxl_framebuffer(crtc->primary->fb);
719 bo = gem_to_qxl_bo(qfb->obj);
720 DRM_DEBUG("+%d+%d (%d,%d) => (%d,%d)\n",
721 x, y,
722 mode->hdisplay, mode->vdisplay,
723 adjusted_mode->hdisplay,
724 adjusted_mode->vdisplay);
725
726 if (bo->is_primary == false)
727 recreate_primary = true;
728
729 if (bo->surf.stride * bo->surf.height > qdev->vram_size) {
730 DRM_ERROR("Mode doesn't fit in vram size (vgamem)");
731 return -EINVAL;
732 }
733
734 ret = qxl_bo_reserve(bo, false);
735 if (ret != 0)
736 return ret;
737 ret = qxl_bo_pin(bo, bo->type, NULL);
738 if (ret != 0) {
739 qxl_bo_unreserve(bo);
740 return -EINVAL;
741 }
742 qxl_bo_unreserve(bo);
743 if (recreate_primary) {
744 qxl_io_destroy_primary(qdev);
745 qxl_io_log(qdev,
746 "recreate primary: %dx%d,%d,%d\n",
747 bo->surf.width, bo->surf.height,
748 bo->surf.stride, bo->surf.format);
749 qxl_io_create_primary(qdev, 0, bo);
750 bo->is_primary = true;
751
752 ret = qxl_crtc_apply_cursor(crtc);
753 if (ret) {
754 DRM_ERROR("could not set cursor after modeset");
755 ret = 0;
756 }
757 }
758
759 if (bo->is_primary) {
760 DRM_DEBUG_KMS("setting surface_id to 0 for primary surface %d on crtc %d\n", bo->surface_id, qcrtc->index);
761 surf_id = 0;
762 } else {
763 surf_id = bo->surface_id;
764 }
765
766 if (old_bo && old_bo != bo) {
767 old_bo->is_primary = false;
768 ret = qxl_bo_reserve(old_bo, false);
769 qxl_bo_unpin(old_bo);
770 qxl_bo_unreserve(old_bo);
771 }
772
773 qxl_monitors_config_set(qdev, qcrtc->index, x, y,
774 mode->hdisplay,
775 mode->vdisplay, surf_id);
776 return 0;
777}
778
779static void qxl_crtc_prepare(struct drm_crtc *crtc)
780{
781 DRM_DEBUG("current: %dx%d+%d+%d (%d).\n",
782 crtc->mode.hdisplay, crtc->mode.vdisplay,
783 crtc->x, crtc->y, crtc->enabled);
784}
785
786static void qxl_crtc_commit(struct drm_crtc *crtc)
787{
788 DRM_DEBUG("\n");
789}
790
791static void qxl_crtc_disable(struct drm_crtc *crtc)
792{
793 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
794 struct drm_device *dev = crtc->dev;
795 struct qxl_device *qdev = dev->dev_private;
796 if (crtc->primary->fb) {
797 struct qxl_framebuffer *qfb = to_qxl_framebuffer(crtc->primary->fb);
798 struct qxl_bo *bo = gem_to_qxl_bo(qfb->obj);
799 int ret;
800 ret = qxl_bo_reserve(bo, false);
801 qxl_bo_unpin(bo);
802 qxl_bo_unreserve(bo);
803 crtc->primary->fb = NULL;
804 }
805
806 qxl_monitors_config_set(qdev, qcrtc->index, 0, 0, 0, 0, 0);
807
808 qxl_send_monitors_config(qdev);
809}
810
811static const struct drm_crtc_helper_funcs qxl_crtc_helper_funcs = {
812 .dpms = qxl_crtc_dpms,
813 .disable = qxl_crtc_disable,
814 .mode_fixup = qxl_crtc_mode_fixup,
815 .mode_set = qxl_crtc_mode_set,
816 .prepare = qxl_crtc_prepare,
817 .commit = qxl_crtc_commit,
818};
819
820static int qdev_crtc_init(struct drm_device *dev, int crtc_id)
821{
822 struct qxl_crtc *qxl_crtc;
823
824 qxl_crtc = kzalloc(sizeof(struct qxl_crtc), GFP_KERNEL);
825 if (!qxl_crtc)
826 return -ENOMEM;
827
828 drm_crtc_init(dev, &qxl_crtc->base, &qxl_crtc_funcs);
829 qxl_crtc->index = crtc_id;
830 drm_crtc_helper_add(&qxl_crtc->base, &qxl_crtc_helper_funcs);
831 return 0;
832}
833
834static void qxl_enc_dpms(struct drm_encoder *encoder, int mode)
835{
836 DRM_DEBUG("\n");
837}
838
839static void qxl_enc_prepare(struct drm_encoder *encoder)
840{
841 DRM_DEBUG("\n");
842}
843
844static void qxl_write_monitors_config_for_encoder(struct qxl_device *qdev,
845 struct drm_encoder *encoder)
846{
847 int i;
848 struct qxl_output *output = drm_encoder_to_qxl_output(encoder);
849 struct qxl_head *head;
850 struct drm_display_mode *mode;
851
852 BUG_ON(!encoder);
853 /* TODO: ugly, do better */
854 i = output->index;
855 if (!qdev->monitors_config ||
856 qdev->monitors_config->max_allowed <= i) {
857 DRM_ERROR(
858 "head number too large or missing monitors config: %p, %d",
859 qdev->monitors_config,
860 qdev->monitors_config ?
861 qdev->monitors_config->max_allowed : -1);
862 return;
863 }
864 if (!encoder->crtc) {
865 DRM_ERROR("missing crtc on encoder %p\n", encoder);
866 return;
867 }
868 if (i != 0)
869 DRM_DEBUG("missing for multiple monitors: no head holes\n");
870 head = &qdev->monitors_config->heads[i];
871 head->id = i;
872 if (encoder->crtc->enabled) {
873 mode = &encoder->crtc->mode;
874 head->width = mode->hdisplay;
875 head->height = mode->vdisplay;
876 head->x = encoder->crtc->x;
877 head->y = encoder->crtc->y;
878 if (qdev->monitors_config->count < i + 1)
879 qdev->monitors_config->count = i + 1;
880 } else {
881 head->width = 0;
882 head->height = 0;
883 head->x = 0;
884 head->y = 0;
885 }
886 DRM_DEBUG_KMS("setting head %d to +%d+%d %dx%d out of %d\n",
887 i, head->x, head->y, head->width, head->height, qdev->monitors_config->count);
888 head->flags = 0;
889 /* TODO - somewhere else to call this for multiple monitors
890 * (config_commit?) */
891 qxl_send_monitors_config(qdev);
892}
893
894static void qxl_enc_commit(struct drm_encoder *encoder)
895{
896 struct qxl_device *qdev = encoder->dev->dev_private;
897
898 qxl_write_monitors_config_for_encoder(qdev, encoder);
899 DRM_DEBUG("\n");
900}
901
902static void qxl_enc_mode_set(struct drm_encoder *encoder,
903 struct drm_display_mode *mode,
904 struct drm_display_mode *adjusted_mode)
905{
906 DRM_DEBUG("\n");
907}
908
909static int qxl_conn_get_modes(struct drm_connector *connector)
910{
911 int ret = 0;
912 struct qxl_device *qdev = connector->dev->dev_private;
913 unsigned pwidth = 1024;
914 unsigned pheight = 768;
915
916 DRM_DEBUG_KMS("monitors_config=%p\n", qdev->monitors_config);
917 /* TODO: what should we do here? only show the configured modes for the
918 * device, or allow the full list, or both? */
919 if (qdev->monitors_config && qdev->monitors_config->count) {
920 ret = qxl_add_monitors_config_modes(connector, &pwidth, &pheight);
921 if (ret < 0)
922 return ret;
923 }
924 ret += qxl_add_common_modes(connector, pwidth, pheight);
925 return ret;
926}
927
928static int qxl_conn_mode_valid(struct drm_connector *connector,
929 struct drm_display_mode *mode)
930{
931 struct drm_device *ddev = connector->dev;
932 struct qxl_device *qdev = ddev->dev_private;
933 int i;
934
935 /* TODO: is this called for user defined modes? (xrandr --add-mode)
936 * TODO: check that the mode fits in the framebuffer */
937
938 if(qdev->monitors_config_width == mode->hdisplay &&
939 qdev->monitors_config_height == mode->vdisplay)
940 return MODE_OK;
941
942 for (i = 0; i < ARRAY_SIZE(common_modes); i++) {
943 if (common_modes[i].w == mode->hdisplay && common_modes[i].h == mode->vdisplay)
944 return MODE_OK;
945 }
946 return MODE_BAD;
947}
948
949static struct drm_encoder *qxl_best_encoder(struct drm_connector *connector)
950{
951 struct qxl_output *qxl_output =
952 drm_connector_to_qxl_output(connector);
953
954 DRM_DEBUG("\n");
955 return &qxl_output->enc;
956}
957
958
959static const struct drm_encoder_helper_funcs qxl_enc_helper_funcs = {
960 .dpms = qxl_enc_dpms,
961 .prepare = qxl_enc_prepare,
962 .mode_set = qxl_enc_mode_set,
963 .commit = qxl_enc_commit,
964};
965
966static const struct drm_connector_helper_funcs qxl_connector_helper_funcs = {
967 .get_modes = qxl_conn_get_modes,
968 .mode_valid = qxl_conn_mode_valid,
969 .best_encoder = qxl_best_encoder,
970};
971
972static enum drm_connector_status qxl_conn_detect(
973 struct drm_connector *connector,
974 bool force)
975{
976 struct qxl_output *output =
977 drm_connector_to_qxl_output(connector);
978 struct drm_device *ddev = connector->dev;
979 struct qxl_device *qdev = ddev->dev_private;
980 bool connected = false;
981
982 /* The first monitor is always connected */
983 if (!qdev->client_monitors_config) {
984 if (output->index == 0)
985 connected = true;
986 } else
987 connected = qdev->client_monitors_config->count > output->index &&
988 qxl_head_enabled(&qdev->client_monitors_config->heads[output->index]);
989
990 DRM_DEBUG("#%d connected: %d\n", output->index, connected);
991 if (!connected)
992 qxl_monitors_config_set(qdev, output->index, 0, 0, 0, 0, 0);
993
994 return connected ? connector_status_connected
995 : connector_status_disconnected;
996}
997
998static int qxl_conn_set_property(struct drm_connector *connector,
999 struct drm_property *property,
1000 uint64_t value)
1001{
1002 DRM_DEBUG("\n");
1003 return 0;
1004}
1005
1006static void qxl_conn_destroy(struct drm_connector *connector)
1007{
1008 struct qxl_output *qxl_output =
1009 drm_connector_to_qxl_output(connector);
1010
1011 drm_connector_unregister(connector);
1012 drm_connector_cleanup(connector);
1013 kfree(qxl_output);
1014}
1015
1016static const struct drm_connector_funcs qxl_connector_funcs = {
1017 .dpms = drm_helper_connector_dpms,
1018 .detect = qxl_conn_detect,
1019 .fill_modes = drm_helper_probe_single_connector_modes,
1020 .set_property = qxl_conn_set_property,
1021 .destroy = qxl_conn_destroy,
1022};
1023
1024static void qxl_enc_destroy(struct drm_encoder *encoder)
1025{
1026 drm_encoder_cleanup(encoder);
1027}
1028
1029static const struct drm_encoder_funcs qxl_enc_funcs = {
1030 .destroy = qxl_enc_destroy,
1031};
1032
1033static int qxl_mode_create_hotplug_mode_update_property(struct qxl_device *qdev)
1034{
1035 if (qdev->hotplug_mode_update_property)
1036 return 0;
1037
1038 qdev->hotplug_mode_update_property =
1039 drm_property_create_range(qdev->ddev, DRM_MODE_PROP_IMMUTABLE,
1040 "hotplug_mode_update", 0, 1);
1041
1042 return 0;
1043}
1044
1045static int qdev_output_init(struct drm_device *dev, int num_output)
1046{
1047 struct qxl_device *qdev = dev->dev_private;
1048 struct qxl_output *qxl_output;
1049 struct drm_connector *connector;
1050 struct drm_encoder *encoder;
1051
1052 qxl_output = kzalloc(sizeof(struct qxl_output), GFP_KERNEL);
1053 if (!qxl_output)
1054 return -ENOMEM;
1055
1056 qxl_output->index = num_output;
1057
1058 connector = &qxl_output->base;
1059 encoder = &qxl_output->enc;
1060 drm_connector_init(dev, &qxl_output->base,
1061 &qxl_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL);
1062
1063 drm_encoder_init(dev, &qxl_output->enc, &qxl_enc_funcs,
1064 DRM_MODE_ENCODER_VIRTUAL, NULL);
1065
1066 /* we get HPD via client monitors config */
1067 connector->polled = DRM_CONNECTOR_POLL_HPD;
1068 encoder->possible_crtcs = 1 << num_output;
1069 drm_mode_connector_attach_encoder(&qxl_output->base,
1070 &qxl_output->enc);
1071 drm_encoder_helper_add(encoder, &qxl_enc_helper_funcs);
1072 drm_connector_helper_add(connector, &qxl_connector_helper_funcs);
1073
1074 drm_object_attach_property(&connector->base,
1075 qdev->hotplug_mode_update_property, 0);
1076 drm_object_attach_property(&connector->base,
1077 dev->mode_config.suggested_x_property, 0);
1078 drm_object_attach_property(&connector->base,
1079 dev->mode_config.suggested_y_property, 0);
1080 drm_connector_register(connector);
1081 return 0;
1082}
1083
1084static struct drm_framebuffer *
1085qxl_user_framebuffer_create(struct drm_device *dev,
1086 struct drm_file *file_priv,
1087 const struct drm_mode_fb_cmd2 *mode_cmd)
1088{
1089 struct drm_gem_object *obj;
1090 struct qxl_framebuffer *qxl_fb;
1091 int ret;
1092
1093 obj = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]);
1094 if (!obj)
1095 return NULL;
1096
1097 qxl_fb = kzalloc(sizeof(*qxl_fb), GFP_KERNEL);
1098 if (qxl_fb == NULL)
1099 return NULL;
1100
1101 ret = qxl_framebuffer_init(dev, qxl_fb, mode_cmd, obj, &qxl_fb_funcs);
1102 if (ret) {
1103 kfree(qxl_fb);
1104 drm_gem_object_unreference_unlocked(obj);
1105 return NULL;
1106 }
1107
1108 return &qxl_fb->base;
1109}
1110
1111static const struct drm_mode_config_funcs qxl_mode_funcs = {
1112 .fb_create = qxl_user_framebuffer_create,
1113};
1114
1115int qxl_create_monitors_object(struct qxl_device *qdev)
1116{
1117 int ret;
1118 struct drm_gem_object *gobj;
1119 int max_allowed = qxl_num_crtc;
1120 int monitors_config_size = sizeof(struct qxl_monitors_config) +
1121 max_allowed * sizeof(struct qxl_head);
1122
1123 ret = qxl_gem_object_create(qdev, monitors_config_size, 0,
1124 QXL_GEM_DOMAIN_VRAM,
1125 false, false, NULL, &gobj);
1126 if (ret) {
1127 DRM_ERROR("%s: failed to create gem ret=%d\n", __func__, ret);
1128 return -ENOMEM;
1129 }
1130 qdev->monitors_config_bo = gem_to_qxl_bo(gobj);
1131
1132 ret = qxl_bo_reserve(qdev->monitors_config_bo, false);
1133 if (ret)
1134 return ret;
1135
1136 ret = qxl_bo_pin(qdev->monitors_config_bo, QXL_GEM_DOMAIN_VRAM, NULL);
1137 if (ret) {
1138 qxl_bo_unreserve(qdev->monitors_config_bo);
1139 return ret;
1140 }
1141
1142 qxl_bo_unreserve(qdev->monitors_config_bo);
1143
1144 qxl_bo_kmap(qdev->monitors_config_bo, NULL);
1145
1146 qdev->monitors_config = qdev->monitors_config_bo->kptr;
1147 qdev->ram_header->monitors_config =
1148 qxl_bo_physical_address(qdev, qdev->monitors_config_bo, 0);
1149
1150 memset(qdev->monitors_config, 0, monitors_config_size);
1151 qdev->monitors_config->max_allowed = max_allowed;
1152 return 0;
1153}
1154
1155int qxl_destroy_monitors_object(struct qxl_device *qdev)
1156{
1157 int ret;
1158
1159 qdev->monitors_config = NULL;
1160 qdev->ram_header->monitors_config = 0;
1161
1162 qxl_bo_kunmap(qdev->monitors_config_bo);
1163 ret = qxl_bo_reserve(qdev->monitors_config_bo, false);
1164 if (ret)
1165 return ret;
1166
1167 qxl_bo_unpin(qdev->monitors_config_bo);
1168 qxl_bo_unreserve(qdev->monitors_config_bo);
1169
1170 qxl_bo_unref(&qdev->monitors_config_bo);
1171 return 0;
1172}
1173
1174int qxl_modeset_init(struct qxl_device *qdev)
1175{
1176 int i;
1177 int ret;
1178
1179 drm_mode_config_init(qdev->ddev);
1180
1181 ret = qxl_create_monitors_object(qdev);
1182 if (ret)
1183 return ret;
1184
1185 qdev->ddev->mode_config.funcs = (void *)&qxl_mode_funcs;
1186
1187 /* modes will be validated against the framebuffer size */
1188 qdev->ddev->mode_config.min_width = 320;
1189 qdev->ddev->mode_config.min_height = 200;
1190 qdev->ddev->mode_config.max_width = 8192;
1191 qdev->ddev->mode_config.max_height = 8192;
1192
1193 qdev->ddev->mode_config.fb_base = qdev->vram_base;
1194
1195 drm_mode_create_suggested_offset_properties(qdev->ddev);
1196 qxl_mode_create_hotplug_mode_update_property(qdev);
1197
1198 for (i = 0 ; i < qxl_num_crtc; ++i) {
1199 qdev_crtc_init(qdev->ddev, i);
1200 qdev_output_init(qdev->ddev, i);
1201 }
1202
1203 qdev->mode_info.mode_config_initialized = true;
1204
1205 /* primary surface must be created by this point, to allow
1206 * issuing command queue commands and having them read by
1207 * spice server. */
1208 qxl_fbdev_init(qdev);
1209 return 0;
1210}
1211
1212void qxl_modeset_fini(struct qxl_device *qdev)
1213{
1214 qxl_fbdev_fini(qdev);
1215
1216 qxl_destroy_monitors_object(qdev);
1217 if (qdev->mode_info.mode_config_initialized) {
1218 drm_mode_config_cleanup(qdev->ddev);
1219 qdev->mode_info.mode_config_initialized = false;
1220 }
1221}