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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
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}