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Input: xpad - add support for Xbox1 PDP Camo series gamepad
[linux/fpc-iii.git] / drivers / gpu / drm / qxl / qxl_display.c
bloba61c0d460ec2dd018463389d63c243b532ad55db
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
34 static bool qxl_head_enabled(struct qxl_head *head)
35 {
36 return head->width && head->height;
37 }
38
39 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
60 static int qxl_display_copy_rom_client_monitors_config(struct qxl_device *qdev)
61 {
62 int i;
63 int num_monitors;
64 uint32_t crc;
65
66 num_monitors = qdev->rom->client_monitors_config.count;
67 crc = crc32(0, (const uint8_t *)&qdev->rom->client_monitors_config,
68 sizeof(qdev->rom->client_monitors_config));
69 if (crc != qdev->rom->client_monitors_config_crc) {
70 qxl_io_log(qdev, "crc mismatch: have %X (%zd) != %X\n", crc,
71 sizeof(qdev->rom->client_monitors_config),
72 qdev->rom->client_monitors_config_crc);
73 return 1;
74 }
75 if (num_monitors > qdev->monitors_config->max_allowed) {
76 DRM_DEBUG_KMS("client monitors list will be truncated: %d < %d\n",
77 qdev->monitors_config->max_allowed, num_monitors);
78 num_monitors = qdev->monitors_config->max_allowed;
79 } else {
80 num_monitors = qdev->rom->client_monitors_config.count;
81 }
82 qxl_alloc_client_monitors_config(qdev, num_monitors);
83 /* we copy max from the client but it isn't used */
84 qdev->client_monitors_config->max_allowed =
85 qdev->monitors_config->max_allowed;
86 for (i = 0 ; i < qdev->client_monitors_config->count ; ++i) {
87 struct qxl_urect *c_rect =
88 &qdev->rom->client_monitors_config.heads[i];
89 struct qxl_head *client_head =
90 &qdev->client_monitors_config->heads[i];
91 client_head->x = c_rect->left;
92 client_head->y = c_rect->top;
93 client_head->width = c_rect->right - c_rect->left;
94 client_head->height = c_rect->bottom - c_rect->top;
95 client_head->surface_id = 0;
96 client_head->id = i;
97 client_head->flags = 0;
98 DRM_DEBUG_KMS("read %dx%d+%d+%d\n", client_head->width, client_head->height,
99 client_head->x, client_head->y);
100 }
101 return 0;
102 }
103
104 static void qxl_update_offset_props(struct qxl_device *qdev)
105 {
106 struct drm_device *dev = qdev->ddev;
107 struct drm_connector *connector;
108 struct qxl_output *output;
109 struct qxl_head *head;
110
111 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
112 output = drm_connector_to_qxl_output(connector);
113
114 head = &qdev->client_monitors_config->heads[output->index];
115
116 drm_object_property_set_value(&connector->base,
117 dev->mode_config.suggested_x_property, head->x);
118 drm_object_property_set_value(&connector->base,
119 dev->mode_config.suggested_y_property, head->y);
120 }
121 }
122
123 void qxl_display_read_client_monitors_config(struct qxl_device *qdev)
124 {
125
126 struct drm_device *dev = qdev->ddev;
127 while (qxl_display_copy_rom_client_monitors_config(qdev)) {
128 qxl_io_log(qdev, "failed crc check for client_monitors_config,"
129 " retrying\n");
130 }
131
132 drm_modeset_lock_all(dev);
133 qxl_update_offset_props(qdev);
134 drm_modeset_unlock_all(dev);
135 if (!drm_helper_hpd_irq_event(qdev->ddev)) {
136 /* notify that the monitor configuration changed, to
137 adjust at the arbitrary resolution */
138 drm_kms_helper_hotplug_event(qdev->ddev);
139 }
140 }
141
142 static int qxl_add_monitors_config_modes(struct drm_connector *connector,
143 unsigned *pwidth,
144 unsigned *pheight)
145 {
146 struct drm_device *dev = connector->dev;
147 struct qxl_device *qdev = dev->dev_private;
148 struct qxl_output *output = drm_connector_to_qxl_output(connector);
149 int h = output->index;
150 struct drm_display_mode *mode = NULL;
151 struct qxl_head *head;
152
153 if (!qdev->client_monitors_config)
154 return 0;
155 head = &qdev->client_monitors_config->heads[h];
156
157 mode = drm_cvt_mode(dev, head->width, head->height, 60, false, false,
158 false);
159 mode->type |= DRM_MODE_TYPE_PREFERRED;
160 *pwidth = head->width;
161 *pheight = head->height;
162 drm_mode_probed_add(connector, mode);
163 /* remember the last custom size for mode validation */
164 qdev->monitors_config_width = mode->hdisplay;
165 qdev->monitors_config_height = mode->vdisplay;
166 return 1;
167 }
168
169 static struct mode_size {
170 int w;
171 int h;
172 } common_modes[] = {
173 { 640, 480},
174 { 720, 480},
175 { 800, 600},
176 { 848, 480},
177 {1024, 768},
178 {1152, 768},
179 {1280, 720},
180 {1280, 800},
181 {1280, 854},
182 {1280, 960},
183 {1280, 1024},
184 {1440, 900},
185 {1400, 1050},
186 {1680, 1050},
187 {1600, 1200},
188 {1920, 1080},
189 {1920, 1200}
190 };
191
192 static int qxl_add_common_modes(struct drm_connector *connector,
193 unsigned pwidth,
194 unsigned pheight)
195 {
196 struct drm_device *dev = connector->dev;
197 struct drm_display_mode *mode = NULL;
198 int i;
199 for (i = 0; i < ARRAY_SIZE(common_modes); i++) {
200 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h,
201 60, false, false, false);
202 if (common_modes[i].w == pwidth && common_modes[i].h == pheight)
203 mode->type |= DRM_MODE_TYPE_PREFERRED;
204 drm_mode_probed_add(connector, mode);
205 }
206 return i - 1;
207 }
208
209 static void qxl_crtc_destroy(struct drm_crtc *crtc)
210 {
211 struct qxl_crtc *qxl_crtc = to_qxl_crtc(crtc);
212
213 drm_crtc_cleanup(crtc);
214 qxl_bo_unref(&qxl_crtc->cursor_bo);
215 kfree(qxl_crtc);
216 }
217
218 static int qxl_crtc_page_flip(struct drm_crtc *crtc,
219 struct drm_framebuffer *fb,
220 struct drm_pending_vblank_event *event,
221 uint32_t page_flip_flags)
222 {
223 struct drm_device *dev = crtc->dev;
224 struct qxl_device *qdev = dev->dev_private;
225 struct qxl_framebuffer *qfb_src = to_qxl_framebuffer(fb);
226 struct qxl_framebuffer *qfb_old = to_qxl_framebuffer(crtc->primary->fb);
227 struct qxl_bo *bo_old = gem_to_qxl_bo(qfb_old->obj);
228 struct qxl_bo *bo = gem_to_qxl_bo(qfb_src->obj);
229 unsigned long flags;
230 struct drm_clip_rect norect = {
231 .x1 = 0,
232 .y1 = 0,
233 .x2 = fb->width,
234 .y2 = fb->height
235 };
236 int inc = 1;
237 int one_clip_rect = 1;
238 int ret = 0;
239
240 crtc->primary->fb = fb;
241 bo_old->is_primary = false;
242 bo->is_primary = true;
243
244 ret = qxl_bo_reserve(bo, false);
245 if (ret)
246 return ret;
247 ret = qxl_bo_pin(bo, bo->type, NULL);
248 qxl_bo_unreserve(bo);
249 if (ret)
250 return ret;
251
252 qxl_draw_dirty_fb(qdev, qfb_src, bo, 0, 0,
253 &norect, one_clip_rect, inc);
254
255 drm_crtc_vblank_get(crtc);
256
257 if (event) {
258 spin_lock_irqsave(&dev->event_lock, flags);
259 drm_crtc_send_vblank_event(crtc, event);
260 spin_unlock_irqrestore(&dev->event_lock, flags);
261 }
262 drm_crtc_vblank_put(crtc);
263
264 ret = qxl_bo_reserve(bo, false);
265 if (!ret) {
266 qxl_bo_unpin(bo);
267 qxl_bo_unreserve(bo);
268 }
269
270 return 0;
271 }
272
273 static int
274 qxl_hide_cursor(struct qxl_device *qdev)
275 {
276 struct qxl_release *release;
277 struct qxl_cursor_cmd *cmd;
278 int ret;
279
280 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), QXL_RELEASE_CURSOR_CMD,
281 &release, NULL);
282 if (ret)
283 return ret;
284
285 ret = qxl_release_reserve_list(release, true);
286 if (ret) {
287 qxl_release_free(qdev, release);
288 return ret;
289 }
290
291 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
292 cmd->type = QXL_CURSOR_HIDE;
293 qxl_release_unmap(qdev, release, &cmd->release_info);
294
295 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
296 qxl_release_fence_buffer_objects(release);
297 return 0;
298 }
299
300 static int qxl_crtc_apply_cursor(struct drm_crtc *crtc)
301 {
302 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
303 struct drm_device *dev = crtc->dev;
304 struct qxl_device *qdev = dev->dev_private;
305 struct qxl_cursor_cmd *cmd;
306 struct qxl_release *release;
307 int ret = 0;
308
309 if (!qcrtc->cursor_bo)
310 return 0;
311
312 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
313 QXL_RELEASE_CURSOR_CMD,
314 &release, NULL);
315 if (ret)
316 return ret;
317
318 ret = qxl_release_list_add(release, qcrtc->cursor_bo);
319 if (ret)
320 goto out_free_release;
321
322 ret = qxl_release_reserve_list(release, false);
323 if (ret)
324 goto out_free_release;
325
326 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
327 cmd->type = QXL_CURSOR_SET;
328 cmd->u.set.position.x = qcrtc->cur_x + qcrtc->hot_spot_x;
329 cmd->u.set.position.y = qcrtc->cur_y + qcrtc->hot_spot_y;
330
331 cmd->u.set.shape = qxl_bo_physical_address(qdev, qcrtc->cursor_bo, 0);
332
333 cmd->u.set.visible = 1;
334 qxl_release_unmap(qdev, release, &cmd->release_info);
335
336 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
337 qxl_release_fence_buffer_objects(release);
338
339 return ret;
340
341 out_free_release:
342 qxl_release_free(qdev, release);
343 return ret;
344 }
345
346 static int qxl_crtc_cursor_set2(struct drm_crtc *crtc,
347 struct drm_file *file_priv,
348 uint32_t handle,
349 uint32_t width,
350 uint32_t height, int32_t hot_x, int32_t hot_y)
351 {
352 struct drm_device *dev = crtc->dev;
353 struct qxl_device *qdev = dev->dev_private;
354 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
355 struct drm_gem_object *obj;
356 struct qxl_cursor *cursor;
357 struct qxl_cursor_cmd *cmd;
358 struct qxl_bo *cursor_bo, *user_bo;
359 struct qxl_release *release;
360 void *user_ptr;
361
362 int size = 64*64*4;
363 int ret = 0;
364 if (!handle)
365 return qxl_hide_cursor(qdev);
366
367 obj = drm_gem_object_lookup(file_priv, handle);
368 if (!obj) {
369 DRM_ERROR("cannot find cursor object\n");
370 return -ENOENT;
371 }
372
373 user_bo = gem_to_qxl_bo(obj);
374
375 ret = qxl_bo_reserve(user_bo, false);
376 if (ret)
377 goto out_unref;
378
379 ret = qxl_bo_pin(user_bo, QXL_GEM_DOMAIN_CPU, NULL);
380 qxl_bo_unreserve(user_bo);
381 if (ret)
382 goto out_unref;
383
384 ret = qxl_bo_kmap(user_bo, &user_ptr);
385 if (ret)
386 goto out_unpin;
387
388 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
389 QXL_RELEASE_CURSOR_CMD,
390 &release, NULL);
391 if (ret)
392 goto out_kunmap;
393
394 ret = qxl_alloc_bo_reserved(qdev, release, sizeof(struct qxl_cursor) + size,
395 &cursor_bo);
396 if (ret)
397 goto out_free_release;
398
399 ret = qxl_release_reserve_list(release, false);
400 if (ret)
401 goto out_free_bo;
402
403 ret = qxl_bo_kmap(cursor_bo, (void **)&cursor);
404 if (ret)
405 goto out_backoff;
406
407 cursor->header.unique = 0;
408 cursor->header.type = SPICE_CURSOR_TYPE_ALPHA;
409 cursor->header.width = 64;
410 cursor->header.height = 64;
411 cursor->header.hot_spot_x = hot_x;
412 cursor->header.hot_spot_y = hot_y;
413 cursor->data_size = size;
414 cursor->chunk.next_chunk = 0;
415 cursor->chunk.prev_chunk = 0;
416 cursor->chunk.data_size = size;
417
418 memcpy(cursor->chunk.data, user_ptr, size);
419
420 qxl_bo_kunmap(cursor_bo);
421
422 qxl_bo_kunmap(user_bo);
423
424 qcrtc->cur_x += qcrtc->hot_spot_x - hot_x;
425 qcrtc->cur_y += qcrtc->hot_spot_y - hot_y;
426 qcrtc->hot_spot_x = hot_x;
427 qcrtc->hot_spot_y = hot_y;
428
429 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
430 cmd->type = QXL_CURSOR_SET;
431 cmd->u.set.position.x = qcrtc->cur_x + qcrtc->hot_spot_x;
432 cmd->u.set.position.y = qcrtc->cur_y + qcrtc->hot_spot_y;
433
434 cmd->u.set.shape = qxl_bo_physical_address(qdev, cursor_bo, 0);
435
436 cmd->u.set.visible = 1;
437 qxl_release_unmap(qdev, release, &cmd->release_info);
438
439 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
440 qxl_release_fence_buffer_objects(release);
441
442 /* finish with the userspace bo */
443 ret = qxl_bo_reserve(user_bo, false);
444 if (!ret) {
445 qxl_bo_unpin(user_bo);
446 qxl_bo_unreserve(user_bo);
447 }
448 drm_gem_object_unreference_unlocked(obj);
449
450 qxl_bo_unref (&qcrtc->cursor_bo);
451 qcrtc->cursor_bo = cursor_bo;
452
453 return ret;
454
455 out_backoff:
456 qxl_release_backoff_reserve_list(release);
457 out_free_bo:
458 qxl_bo_unref(&cursor_bo);
459 out_free_release:
460 qxl_release_free(qdev, release);
461 out_kunmap:
462 qxl_bo_kunmap(user_bo);
463 out_unpin:
464 qxl_bo_unpin(user_bo);
465 out_unref:
466 drm_gem_object_unreference_unlocked(obj);
467 return ret;
468 }
469
470 static int qxl_crtc_cursor_move(struct drm_crtc *crtc,
471 int x, int y)
472 {
473 struct drm_device *dev = crtc->dev;
474 struct qxl_device *qdev = dev->dev_private;
475 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
476 struct qxl_release *release;
477 struct qxl_cursor_cmd *cmd;
478 int ret;
479
480 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), QXL_RELEASE_CURSOR_CMD,
481 &release, NULL);
482 if (ret)
483 return ret;
484
485 ret = qxl_release_reserve_list(release, true);
486 if (ret) {
487 qxl_release_free(qdev, release);
488 return ret;
489 }
490
491 qcrtc->cur_x = x;
492 qcrtc->cur_y = y;
493
494 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
495 cmd->type = QXL_CURSOR_MOVE;
496 cmd->u.position.x = qcrtc->cur_x + qcrtc->hot_spot_x;
497 cmd->u.position.y = qcrtc->cur_y + qcrtc->hot_spot_y;
498 qxl_release_unmap(qdev, release, &cmd->release_info);
499
500 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
501 qxl_release_fence_buffer_objects(release);
502
503 return 0;
504 }
505
506
507 static const struct drm_crtc_funcs qxl_crtc_funcs = {
508 .cursor_set2 = qxl_crtc_cursor_set2,
509 .cursor_move = qxl_crtc_cursor_move,
510 .set_config = drm_crtc_helper_set_config,
511 .destroy = qxl_crtc_destroy,
512 .page_flip = qxl_crtc_page_flip,
513 };
514
515 void qxl_user_framebuffer_destroy(struct drm_framebuffer *fb)
516 {
517 struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb);
518
519 drm_gem_object_unreference_unlocked(qxl_fb->obj);
520 drm_framebuffer_cleanup(fb);
521 kfree(qxl_fb);
522 }
523
524 static int qxl_framebuffer_surface_dirty(struct drm_framebuffer *fb,
525 struct drm_file *file_priv,
526 unsigned flags, unsigned color,
527 struct drm_clip_rect *clips,
528 unsigned num_clips)
529 {
530 /* TODO: vmwgfx where this was cribbed from had locking. Why? */
531 struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb);
532 struct qxl_device *qdev = qxl_fb->base.dev->dev_private;
533 struct drm_clip_rect norect;
534 struct qxl_bo *qobj;
535 int inc = 1;
536
537 drm_modeset_lock_all(fb->dev);
538
539 qobj = gem_to_qxl_bo(qxl_fb->obj);
540 /* if we aren't primary surface ignore this */
541 if (!qobj->is_primary) {
542 drm_modeset_unlock_all(fb->dev);
543 return 0;
544 }
545
546 if (!num_clips) {
547 num_clips = 1;
548 clips = &norect;
549 norect.x1 = norect.y1 = 0;
550 norect.x2 = fb->width;
551 norect.y2 = fb->height;
552 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
553 num_clips /= 2;
554 inc = 2; /* skip source rects */
555 }
556
557 qxl_draw_dirty_fb(qdev, qxl_fb, qobj, flags, color,
558 clips, num_clips, inc);
559
560 drm_modeset_unlock_all(fb->dev);
561
562 return 0;
563 }
564
565 static const struct drm_framebuffer_funcs qxl_fb_funcs = {
566 .destroy = qxl_user_framebuffer_destroy,
567 .dirty = qxl_framebuffer_surface_dirty,
568 /* TODO?
569 * .create_handle = qxl_user_framebuffer_create_handle, */
570 };
571
572 int
573 qxl_framebuffer_init(struct drm_device *dev,
574 struct qxl_framebuffer *qfb,
575 const struct drm_mode_fb_cmd2 *mode_cmd,
576 struct drm_gem_object *obj,
577 const struct drm_framebuffer_funcs *funcs)
578 {
579 int ret;
580
581 qfb->obj = obj;
582 ret = drm_framebuffer_init(dev, &qfb->base, funcs);
583 if (ret) {
584 qfb->obj = NULL;
585 return ret;
586 }
587 drm_helper_mode_fill_fb_struct(&qfb->base, mode_cmd);
588 return 0;
589 }
590
591 static void qxl_crtc_dpms(struct drm_crtc *crtc, int mode)
592 {
593 }
594
595 static bool qxl_crtc_mode_fixup(struct drm_crtc *crtc,
596 const struct drm_display_mode *mode,
597 struct drm_display_mode *adjusted_mode)
598 {
599 struct drm_device *dev = crtc->dev;
600 struct qxl_device *qdev = dev->dev_private;
601
602 qxl_io_log(qdev, "%s: (%d,%d) => (%d,%d)\n",
603 __func__,
604 mode->hdisplay, mode->vdisplay,
605 adjusted_mode->hdisplay,
606 adjusted_mode->vdisplay);
607 return true;
608 }
609
610 void
611 qxl_send_monitors_config(struct qxl_device *qdev)
612 {
613 int i;
614
615 BUG_ON(!qdev->ram_header->monitors_config);
616
617 if (qdev->monitors_config->count == 0) {
618 qxl_io_log(qdev, "%s: 0 monitors??\n", __func__);
619 return;
620 }
621 for (i = 0 ; i < qdev->monitors_config->count ; ++i) {
622 struct qxl_head *head = &qdev->monitors_config->heads[i];
623
624 if (head->y > 8192 || head->x > 8192 ||
625 head->width > 8192 || head->height > 8192) {
626 DRM_ERROR("head %d wrong: %dx%d+%d+%d\n",
627 i, head->width, head->height,
628 head->x, head->y);
629 return;
630 }
631 }
632 qxl_io_monitors_config(qdev);
633 }
634
635 static void qxl_monitors_config_set(struct qxl_device *qdev,
636 int index,
637 unsigned x, unsigned y,
638 unsigned width, unsigned height,
639 unsigned surf_id)
640 {
641 DRM_DEBUG_KMS("%d:%dx%d+%d+%d\n", index, width, height, x, y);
642 qdev->monitors_config->heads[index].x = x;
643 qdev->monitors_config->heads[index].y = y;
644 qdev->monitors_config->heads[index].width = width;
645 qdev->monitors_config->heads[index].height = height;
646 qdev->monitors_config->heads[index].surface_id = surf_id;
647
648 }
649
650 static int qxl_crtc_mode_set(struct drm_crtc *crtc,
651 struct drm_display_mode *mode,
652 struct drm_display_mode *adjusted_mode,
653 int x, int y,
654 struct drm_framebuffer *old_fb)
655 {
656 struct drm_device *dev = crtc->dev;
657 struct qxl_device *qdev = dev->dev_private;
658 struct qxl_framebuffer *qfb;
659 struct qxl_bo *bo, *old_bo = NULL;
660 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
661 bool recreate_primary = false;
662 int ret;
663 int surf_id;
664 if (!crtc->primary->fb) {
665 DRM_DEBUG_KMS("No FB bound\n");
666 return 0;
667 }
668
669 if (old_fb) {
670 qfb = to_qxl_framebuffer(old_fb);
671 old_bo = gem_to_qxl_bo(qfb->obj);
672 }
673 qfb = to_qxl_framebuffer(crtc->primary->fb);
674 bo = gem_to_qxl_bo(qfb->obj);
675 DRM_DEBUG("+%d+%d (%d,%d) => (%d,%d)\n",
676 x, y,
677 mode->hdisplay, mode->vdisplay,
678 adjusted_mode->hdisplay,
679 adjusted_mode->vdisplay);
680
681 if (bo->is_primary == false)
682 recreate_primary = true;
683
684 if (bo->surf.stride * bo->surf.height > qdev->vram_size) {
685 DRM_ERROR("Mode doesn't fit in vram size (vgamem)");
686 return -EINVAL;
687 }
688
689 ret = qxl_bo_reserve(bo, false);
690 if (ret != 0)
691 return ret;
692 ret = qxl_bo_pin(bo, bo->type, NULL);
693 if (ret != 0) {
694 qxl_bo_unreserve(bo);
695 return -EINVAL;
696 }
697 qxl_bo_unreserve(bo);
698 if (recreate_primary) {
699 qxl_io_destroy_primary(qdev);
700 qxl_io_log(qdev,
701 "recreate primary: %dx%d,%d,%d\n",
702 bo->surf.width, bo->surf.height,
703 bo->surf.stride, bo->surf.format);
704 qxl_io_create_primary(qdev, 0, bo);
705 bo->is_primary = true;
706
707 ret = qxl_crtc_apply_cursor(crtc);
708 if (ret) {
709 DRM_ERROR("could not set cursor after modeset");
710 ret = 0;
711 }
712 }
713
714 if (bo->is_primary) {
715 DRM_DEBUG_KMS("setting surface_id to 0 for primary surface %d on crtc %d\n", bo->surface_id, qcrtc->index);
716 surf_id = 0;
717 } else {
718 surf_id = bo->surface_id;
719 }
720
721 if (old_bo && old_bo != bo) {
722 old_bo->is_primary = false;
723 ret = qxl_bo_reserve(old_bo, false);
724 qxl_bo_unpin(old_bo);
725 qxl_bo_unreserve(old_bo);
726 }
727
728 qxl_monitors_config_set(qdev, qcrtc->index, x, y,
729 mode->hdisplay,
730 mode->vdisplay, surf_id);
731 return 0;
732 }
733
734 static void qxl_crtc_prepare(struct drm_crtc *crtc)
735 {
736 DRM_DEBUG("current: %dx%d+%d+%d (%d).\n",
737 crtc->mode.hdisplay, crtc->mode.vdisplay,
738 crtc->x, crtc->y, crtc->enabled);
739 }
740
741 static void qxl_crtc_commit(struct drm_crtc *crtc)
742 {
743 DRM_DEBUG("\n");
744 }
745
746 static void qxl_crtc_disable(struct drm_crtc *crtc)
747 {
748 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
749 struct drm_device *dev = crtc->dev;
750 struct qxl_device *qdev = dev->dev_private;
751 if (crtc->primary->fb) {
752 struct qxl_framebuffer *qfb = to_qxl_framebuffer(crtc->primary->fb);
753 struct qxl_bo *bo = gem_to_qxl_bo(qfb->obj);
754 int ret;
755 ret = qxl_bo_reserve(bo, false);
756 qxl_bo_unpin(bo);
757 qxl_bo_unreserve(bo);
758 crtc->primary->fb = NULL;
759 }
760
761 qxl_monitors_config_set(qdev, qcrtc->index, 0, 0, 0, 0, 0);
762
763 qxl_send_monitors_config(qdev);
764 }
765
766 static const struct drm_crtc_helper_funcs qxl_crtc_helper_funcs = {
767 .dpms = qxl_crtc_dpms,
768 .disable = qxl_crtc_disable,
769 .mode_fixup = qxl_crtc_mode_fixup,
770 .mode_set = qxl_crtc_mode_set,
771 .prepare = qxl_crtc_prepare,
772 .commit = qxl_crtc_commit,
773 };
774
775 static int qdev_crtc_init(struct drm_device *dev, int crtc_id)
776 {
777 struct qxl_crtc *qxl_crtc;
778
779 qxl_crtc = kzalloc(sizeof(struct qxl_crtc), GFP_KERNEL);
780 if (!qxl_crtc)
781 return -ENOMEM;
782
783 drm_crtc_init(dev, &qxl_crtc->base, &qxl_crtc_funcs);
784 qxl_crtc->index = crtc_id;
785 drm_crtc_helper_add(&qxl_crtc->base, &qxl_crtc_helper_funcs);
786 return 0;
787 }
788
789 static void qxl_enc_dpms(struct drm_encoder *encoder, int mode)
790 {
791 DRM_DEBUG("\n");
792 }
793
794 static void qxl_enc_prepare(struct drm_encoder *encoder)
795 {
796 DRM_DEBUG("\n");
797 }
798
799 static void qxl_write_monitors_config_for_encoder(struct qxl_device *qdev,
800 struct drm_encoder *encoder)
801 {
802 int i;
803 struct qxl_output *output = drm_encoder_to_qxl_output(encoder);
804 struct qxl_head *head;
805 struct drm_display_mode *mode;
806
807 BUG_ON(!encoder);
808 /* TODO: ugly, do better */
809 i = output->index;
810 if (!qdev->monitors_config ||
811 qdev->monitors_config->max_allowed <= i) {
812 DRM_ERROR(
813 "head number too large or missing monitors config: %p, %d",
814 qdev->monitors_config,
815 qdev->monitors_config ?
816 qdev->monitors_config->max_allowed : -1);
817 return;
818 }
819 if (!encoder->crtc) {
820 DRM_ERROR("missing crtc on encoder %p\n", encoder);
821 return;
822 }
823 if (i != 0)
824 DRM_DEBUG("missing for multiple monitors: no head holes\n");
825 head = &qdev->monitors_config->heads[i];
826 head->id = i;
827 if (encoder->crtc->enabled) {
828 mode = &encoder->crtc->mode;
829 head->width = mode->hdisplay;
830 head->height = mode->vdisplay;
831 head->x = encoder->crtc->x;
832 head->y = encoder->crtc->y;
833 if (qdev->monitors_config->count < i + 1)
834 qdev->monitors_config->count = i + 1;
835 } else {
836 head->width = 0;
837 head->height = 0;
838 head->x = 0;
839 head->y = 0;
840 }
841 DRM_DEBUG_KMS("setting head %d to +%d+%d %dx%d out of %d\n",
842 i, head->x, head->y, head->width, head->height, qdev->monitors_config->count);
843 head->flags = 0;
844 /* TODO - somewhere else to call this for multiple monitors
845 * (config_commit?) */
846 qxl_send_monitors_config(qdev);
847 }
848
849 static void qxl_enc_commit(struct drm_encoder *encoder)
850 {
851 struct qxl_device *qdev = encoder->dev->dev_private;
852
853 qxl_write_monitors_config_for_encoder(qdev, encoder);
854 DRM_DEBUG("\n");
855 }
856
857 static void qxl_enc_mode_set(struct drm_encoder *encoder,
858 struct drm_display_mode *mode,
859 struct drm_display_mode *adjusted_mode)
860 {
861 DRM_DEBUG("\n");
862 }
863
864 static int qxl_conn_get_modes(struct drm_connector *connector)
865 {
866 int ret = 0;
867 struct qxl_device *qdev = connector->dev->dev_private;
868 unsigned pwidth = 1024;
869 unsigned pheight = 768;
870
871 DRM_DEBUG_KMS("monitors_config=%p\n", qdev->monitors_config);
872 /* TODO: what should we do here? only show the configured modes for the
873 * device, or allow the full list, or both? */
874 if (qdev->monitors_config && qdev->monitors_config->count) {
875 ret = qxl_add_monitors_config_modes(connector, &pwidth, &pheight);
876 if (ret < 0)
877 return ret;
878 }
879 ret += qxl_add_common_modes(connector, pwidth, pheight);
880 return ret;
881 }
882
883 static int qxl_conn_mode_valid(struct drm_connector *connector,
884 struct drm_display_mode *mode)
885 {
886 struct drm_device *ddev = connector->dev;
887 struct qxl_device *qdev = ddev->dev_private;
888 int i;
889
890 /* TODO: is this called for user defined modes? (xrandr --add-mode)
891 * TODO: check that the mode fits in the framebuffer */
892
893 if(qdev->monitors_config_width == mode->hdisplay &&
894 qdev->monitors_config_height == mode->vdisplay)
895 return MODE_OK;
896
897 for (i = 0; i < ARRAY_SIZE(common_modes); i++) {
898 if (common_modes[i].w == mode->hdisplay && common_modes[i].h == mode->vdisplay)
899 return MODE_OK;
900 }
901 return MODE_BAD;
902 }
903
904 static struct drm_encoder *qxl_best_encoder(struct drm_connector *connector)
905 {
906 struct qxl_output *qxl_output =
907 drm_connector_to_qxl_output(connector);
908
909 DRM_DEBUG("\n");
910 return &qxl_output->enc;
911 }
912
913
914 static const struct drm_encoder_helper_funcs qxl_enc_helper_funcs = {
915 .dpms = qxl_enc_dpms,
916 .prepare = qxl_enc_prepare,
917 .mode_set = qxl_enc_mode_set,
918 .commit = qxl_enc_commit,
919 };
920
921 static const struct drm_connector_helper_funcs qxl_connector_helper_funcs = {
922 .get_modes = qxl_conn_get_modes,
923 .mode_valid = qxl_conn_mode_valid,
924 .best_encoder = qxl_best_encoder,
925 };
926
927 static enum drm_connector_status qxl_conn_detect(
928 struct drm_connector *connector,
929 bool force)
930 {
931 struct qxl_output *output =
932 drm_connector_to_qxl_output(connector);
933 struct drm_device *ddev = connector->dev;
934 struct qxl_device *qdev = ddev->dev_private;
935 bool connected = false;
936
937 /* The first monitor is always connected */
938 if (!qdev->client_monitors_config) {
939 if (output->index == 0)
940 connected = true;
941 } else
942 connected = qdev->client_monitors_config->count > output->index &&
943 qxl_head_enabled(&qdev->client_monitors_config->heads[output->index]);
944
945 DRM_DEBUG("#%d connected: %d\n", output->index, connected);
946 if (!connected)
947 qxl_monitors_config_set(qdev, output->index, 0, 0, 0, 0, 0);
948
949 return connected ? connector_status_connected
950 : connector_status_disconnected;
951 }
952
953 static int qxl_conn_set_property(struct drm_connector *connector,
954 struct drm_property *property,
955 uint64_t value)
956 {
957 DRM_DEBUG("\n");
958 return 0;
959 }
960
961 static void qxl_conn_destroy(struct drm_connector *connector)
962 {
963 struct qxl_output *qxl_output =
964 drm_connector_to_qxl_output(connector);
965
966 drm_connector_unregister(connector);
967 drm_connector_cleanup(connector);
968 kfree(qxl_output);
969 }
970
971 static const struct drm_connector_funcs qxl_connector_funcs = {
972 .dpms = drm_helper_connector_dpms,
973 .detect = qxl_conn_detect,
974 .fill_modes = drm_helper_probe_single_connector_modes,
975 .set_property = qxl_conn_set_property,
976 .destroy = qxl_conn_destroy,
977 };
978
979 static void qxl_enc_destroy(struct drm_encoder *encoder)
980 {
981 drm_encoder_cleanup(encoder);
982 }
983
984 static const struct drm_encoder_funcs qxl_enc_funcs = {
985 .destroy = qxl_enc_destroy,
986 };
987
988 static int qxl_mode_create_hotplug_mode_update_property(struct qxl_device *qdev)
989 {
990 if (qdev->hotplug_mode_update_property)
991 return 0;
992
993 qdev->hotplug_mode_update_property =
994 drm_property_create_range(qdev->ddev, DRM_MODE_PROP_IMMUTABLE,
995 "hotplug_mode_update", 0, 1);
996
997 return 0;
998 }
999
1000 static int qdev_output_init(struct drm_device *dev, int num_output)
1001 {
1002 struct qxl_device *qdev = dev->dev_private;
1003 struct qxl_output *qxl_output;
1004 struct drm_connector *connector;
1005 struct drm_encoder *encoder;
1006
1007 qxl_output = kzalloc(sizeof(struct qxl_output), GFP_KERNEL);
1008 if (!qxl_output)
1009 return -ENOMEM;
1010
1011 qxl_output->index = num_output;
1012
1013 connector = &qxl_output->base;
1014 encoder = &qxl_output->enc;
1015 drm_connector_init(dev, &qxl_output->base,
1016 &qxl_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL);
1017
1018 drm_encoder_init(dev, &qxl_output->enc, &qxl_enc_funcs,
1019 DRM_MODE_ENCODER_VIRTUAL, NULL);
1020
1021 /* we get HPD via client monitors config */
1022 connector->polled = DRM_CONNECTOR_POLL_HPD;
1023 encoder->possible_crtcs = 1 << num_output;
1024 drm_mode_connector_attach_encoder(&qxl_output->base,
1025 &qxl_output->enc);
1026 drm_encoder_helper_add(encoder, &qxl_enc_helper_funcs);
1027 drm_connector_helper_add(connector, &qxl_connector_helper_funcs);
1028
1029 drm_object_attach_property(&connector->base,
1030 qdev->hotplug_mode_update_property, 0);
1031 drm_object_attach_property(&connector->base,
1032 dev->mode_config.suggested_x_property, 0);
1033 drm_object_attach_property(&connector->base,
1034 dev->mode_config.suggested_y_property, 0);
1035 drm_connector_register(connector);
1036 return 0;
1037 }
1038
1039 static struct drm_framebuffer *
1040 qxl_user_framebuffer_create(struct drm_device *dev,
1041 struct drm_file *file_priv,
1042 const struct drm_mode_fb_cmd2 *mode_cmd)
1043 {
1044 struct drm_gem_object *obj;
1045 struct qxl_framebuffer *qxl_fb;
1046 int ret;
1047
1048 obj = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]);
1049 if (!obj)
1050 return NULL;
1051
1052 qxl_fb = kzalloc(sizeof(*qxl_fb), GFP_KERNEL);
1053 if (qxl_fb == NULL)
1054 return NULL;
1055
1056 ret = qxl_framebuffer_init(dev, qxl_fb, mode_cmd, obj, &qxl_fb_funcs);
1057 if (ret) {
1058 kfree(qxl_fb);
1059 drm_gem_object_unreference_unlocked(obj);
1060 return NULL;
1061 }
1062
1063 return &qxl_fb->base;
1064 }
1065
1066 static const struct drm_mode_config_funcs qxl_mode_funcs = {
1067 .fb_create = qxl_user_framebuffer_create,
1068 };
1069
1070 int qxl_create_monitors_object(struct qxl_device *qdev)
1071 {
1072 int ret;
1073 struct drm_gem_object *gobj;
1074 int max_allowed = qxl_num_crtc;
1075 int monitors_config_size = sizeof(struct qxl_monitors_config) +
1076 max_allowed * sizeof(struct qxl_head);
1077
1078 ret = qxl_gem_object_create(qdev, monitors_config_size, 0,
1079 QXL_GEM_DOMAIN_VRAM,
1080 false, false, NULL, &gobj);
1081 if (ret) {
1082 DRM_ERROR("%s: failed to create gem ret=%d\n", __func__, ret);
1083 return -ENOMEM;
1084 }
1085 qdev->monitors_config_bo = gem_to_qxl_bo(gobj);
1086
1087 ret = qxl_bo_reserve(qdev->monitors_config_bo, false);
1088 if (ret)
1089 return ret;
1090
1091 ret = qxl_bo_pin(qdev->monitors_config_bo, QXL_GEM_DOMAIN_VRAM, NULL);
1092 if (ret) {
1093 qxl_bo_unreserve(qdev->monitors_config_bo);
1094 return ret;
1095 }
1096
1097 qxl_bo_unreserve(qdev->monitors_config_bo);
1098
1099 qxl_bo_kmap(qdev->monitors_config_bo, NULL);
1100
1101 qdev->monitors_config = qdev->monitors_config_bo->kptr;
1102 qdev->ram_header->monitors_config =
1103 qxl_bo_physical_address(qdev, qdev->monitors_config_bo, 0);
1104
1105 memset(qdev->monitors_config, 0, monitors_config_size);
1106 qdev->monitors_config->max_allowed = max_allowed;
1107 return 0;
1108 }
1109
1110 int qxl_destroy_monitors_object(struct qxl_device *qdev)
1111 {
1112 int ret;
1113
1114 qdev->monitors_config = NULL;
1115 qdev->ram_header->monitors_config = 0;
1116
1117 qxl_bo_kunmap(qdev->monitors_config_bo);
1118 ret = qxl_bo_reserve(qdev->monitors_config_bo, false);
1119 if (ret)
1120 return ret;
1121
1122 qxl_bo_unpin(qdev->monitors_config_bo);
1123 qxl_bo_unreserve(qdev->monitors_config_bo);
1124
1125 qxl_bo_unref(&qdev->monitors_config_bo);
1126 return 0;
1127 }
1128
1129 int qxl_modeset_init(struct qxl_device *qdev)
1130 {
1131 int i;
1132 int ret;
1133
1134 drm_mode_config_init(qdev->ddev);
1135
1136 ret = qxl_create_monitors_object(qdev);
1137 if (ret)
1138 return ret;
1139
1140 qdev->ddev->mode_config.funcs = (void *)&qxl_mode_funcs;
1141
1142 /* modes will be validated against the framebuffer size */
1143 qdev->ddev->mode_config.min_width = 320;
1144 qdev->ddev->mode_config.min_height = 200;
1145 qdev->ddev->mode_config.max_width = 8192;
1146 qdev->ddev->mode_config.max_height = 8192;
1147
1148 qdev->ddev->mode_config.fb_base = qdev->vram_base;
1149
1150 drm_mode_create_suggested_offset_properties(qdev->ddev);
1151 qxl_mode_create_hotplug_mode_update_property(qdev);
1152
1153 for (i = 0 ; i < qxl_num_crtc; ++i) {
1154 qdev_crtc_init(qdev->ddev, i);
1155 qdev_output_init(qdev->ddev, i);
1156 }
1157
1158 qdev->mode_info.mode_config_initialized = true;
1159
1160 /* primary surface must be created by this point, to allow
1161 * issuing command queue commands and having them read by
1162 * spice server. */
1163 qxl_fbdev_init(qdev);
1164 return 0;
1165 }
1166
1167 void qxl_modeset_fini(struct qxl_device *qdev)
1168 {
1169 qxl_fbdev_fini(qdev);
1170
1171 qxl_destroy_monitors_object(qdev);
1172 if (qdev->mode_info.mode_config_initialized) {
1173 drm_mode_config_cleanup(qdev->ddev);
1174 qdev->mode_info.mode_config_initialized = false;
1175 }
1176 }
Linux with added FPC-III support