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drm/qxl: Handle correctly failures in qxl_alloc_relase_reserved
[deliverable/linux.git] / drivers / gpu / drm / qxl / qxl_display.c
CommitLineData
f64122c1
DA		 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
c5416d66 27#include <linux/crc32.h>
f64122c1
DA		 28
29#include "qxl_drv.h"
30#include "qxl_object.h"
31#include "drm_crtc_helper.h"
3cb9ae4f 32#include <drm/drm_plane_helper.h>
f64122c1 33
07f8d9bd
DA		 34static bool qxl_head_enabled(struct qxl_head *head)
35{
36 return head->width && head->height;
37}
38
f64122c1
DA		 39void 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);
62c8ba7c 44 qdev->client_monitors_config = NULL;
f64122c1
DA		 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
60static 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
f64122c1
DA		 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 (%d) != %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) {
5b8788c1
DA		 76 DRM_DEBUG_KMS("client monitors list will be truncated: %d < %d\n",
77 qdev->monitors_config->max_allowed, num_monitors);
f64122c1
DA		 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];
07f8d9bd
DA		 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);
f64122c1
DA		 100 }
101 return 0;
102}
103
7dea0941
DA		 104static 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
f64122c1
DA		 123void qxl_display_read_client_monitors_config(struct qxl_device *qdev)
124{
125
7dea0941 126 struct drm_device *dev = qdev->ddev;
f64122c1
DA		 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 }
4fdb0869 131
7dea0941
DA		 132 drm_modeset_lock_all(dev);
133 qxl_update_offset_props(qdev);
134 drm_modeset_unlock_all(dev);
4fdb0869
MAL		 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 }
f64122c1
DA		 140}
141
b0807423
MAL		 142static int qxl_add_monitors_config_modes(struct drm_connector *connector,
143 unsigned *pwidth,
144 unsigned *pheight)
f64122c1
DA		 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
07f8d9bd 153 if (!qdev->client_monitors_config)
f64122c1 154 return 0;
07f8d9bd 155 head = &qdev->client_monitors_config->heads[h];
f64122c1
DA		 156
157 mode = drm_cvt_mode(dev, head->width, head->height, 60, false, false,
158 false);
159 mode->type |= DRM_MODE_TYPE_PREFERRED;
b0807423
MAL		 160 *pwidth = head->width;
161 *pheight = head->height;
f64122c1
DA		 162 drm_mode_probed_add(connector, mode);
163 return 1;
164}
165
b0807423
MAL		 166static int qxl_add_common_modes(struct drm_connector *connector,
167 unsigned pwidth,
168 unsigned pheight)
f64122c1
DA		 169{
170 struct drm_device *dev = connector->dev;
171 struct drm_display_mode *mode = NULL;
172 int i;
173 struct mode_size {
174 int w;
175 int h;
176 } common_modes[] = {
177 { 640, 480},
178 { 720, 480},
179 { 800, 600},
180 { 848, 480},
181 {1024, 768},
182 {1152, 768},
183 {1280, 720},
184 {1280, 800},
185 {1280, 854},
186 {1280, 960},
187 {1280, 1024},
188 {1440, 900},
189 {1400, 1050},
190 {1680, 1050},
191 {1600, 1200},
192 {1920, 1080},
193 {1920, 1200}
194 };
195
196 for (i = 0; i < ARRAY_SIZE(common_modes); i++) {
f64122c1
DA		 197 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h,
198 60, false, false, false);
b0807423 199 if (common_modes[i].w == pwidth && common_modes[i].h == pheight)
f64122c1
DA		 200 mode->type |= DRM_MODE_TYPE_PREFERRED;
201 drm_mode_probed_add(connector, mode);
202 }
203 return i - 1;
204}
205
f64122c1
DA		 206static void qxl_crtc_destroy(struct drm_crtc *crtc)
207{
208 struct qxl_crtc *qxl_crtc = to_qxl_crtc(crtc);
209
210 drm_crtc_cleanup(crtc);
211 kfree(qxl_crtc);
212}
213
058e9f5c
AP		 214static int qxl_crtc_page_flip(struct drm_crtc *crtc,
215 struct drm_framebuffer *fb,
216 struct drm_pending_vblank_event *event,
217 uint32_t page_flip_flags)
218{
219 struct drm_device *dev = crtc->dev;
220 struct qxl_device *qdev = dev->dev_private;
221 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
222 struct qxl_framebuffer *qfb_src = to_qxl_framebuffer(fb);
223 struct qxl_framebuffer *qfb_old = to_qxl_framebuffer(crtc->primary->fb);
224 struct qxl_bo *bo_old = gem_to_qxl_bo(qfb_old->obj);
225 struct qxl_bo *bo = gem_to_qxl_bo(qfb_src->obj);
226 unsigned long flags;
227 struct drm_clip_rect norect = {
228 .x1 = 0,
229 .y1 = 0,
230 .x2 = fb->width,
231 .y2 = fb->height
232 };
233 int inc = 1;
234 int one_clip_rect = 1;
235 int ret = 0;
236
237 crtc->primary->fb = fb;
238 bo_old->is_primary = false;
239 bo->is_primary = true;
240
241 ret = qxl_bo_reserve(bo, false);
242 if (ret)
243 return ret;
244
245 qxl_draw_dirty_fb(qdev, qfb_src, bo, 0, 0,
246 &norect, one_clip_rect, inc);
247
248 drm_vblank_get(dev, qcrtc->index);
249
250 if (event) {
251 spin_lock_irqsave(&dev->event_lock, flags);
252 drm_send_vblank_event(dev, qcrtc->index, event);
253 spin_unlock_irqrestore(&dev->event_lock, flags);
254 }
255 drm_vblank_put(dev, qcrtc->index);
256
257 qxl_bo_unreserve(bo);
258
259 return 0;
260}
261
8002db63 262static int
f64122c1
DA		 263qxl_hide_cursor(struct qxl_device *qdev)
264{
265 struct qxl_release *release;
266 struct qxl_cursor_cmd *cmd;
267 int ret;
268
269 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), QXL_RELEASE_CURSOR_CMD,
270 &release, NULL);
8002db63
DA		 271 if (ret)
272 return ret;
273
274 ret = qxl_release_reserve_list(release, true);
275 if (ret) {
276 qxl_release_free(qdev, release);
277 return ret;
278 }
f64122c1
DA		 279
280 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
281 cmd->type = QXL_CURSOR_HIDE;
282 qxl_release_unmap(qdev, release, &cmd->release_info);
283
f64122c1 284 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
8002db63
DA		 285 qxl_release_fence_buffer_objects(release);
286 return 0;
f64122c1
DA		 287}
288
c0a60802
DA		 289static int qxl_crtc_cursor_set2(struct drm_crtc *crtc,
290 struct drm_file *file_priv,
291 uint32_t handle,
292 uint32_t width,
293 uint32_t height, int32_t hot_x, int32_t hot_y)
f64122c1
DA		 294{
295 struct drm_device *dev = crtc->dev;
296 struct qxl_device *qdev = dev->dev_private;
297 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
298 struct drm_gem_object *obj;
299 struct qxl_cursor *cursor;
300 struct qxl_cursor_cmd *cmd;
301 struct qxl_bo *cursor_bo, *user_bo;
302 struct qxl_release *release;
303 void *user_ptr;
304
305 int size = 64*64*4;
306 int ret = 0;
8002db63
DA		 307 if (!handle)
308 return qxl_hide_cursor(qdev);
f64122c1
DA		 309
310 obj = drm_gem_object_lookup(crtc->dev, file_priv, handle);
311 if (!obj) {
312 DRM_ERROR("cannot find cursor object\n");
313 return -ENOENT;
314 }
315
316 user_bo = gem_to_qxl_bo(obj);
317
318 ret = qxl_bo_reserve(user_bo, false);
319 if (ret)
320 goto out_unref;
321
322 ret = qxl_bo_pin(user_bo, QXL_GEM_DOMAIN_CPU, NULL);
8002db63 323 qxl_bo_unreserve(user_bo);
f64122c1 324 if (ret)
8002db63 325 goto out_unref;
f64122c1
DA		 326
327 ret = qxl_bo_kmap(user_bo, &user_ptr);
328 if (ret)
329 goto out_unpin;
330
331 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
332 QXL_RELEASE_CURSOR_CMD,
333 &release, NULL);
334 if (ret)
335 goto out_kunmap;
8002db63
DA		 336
337 ret = qxl_alloc_bo_reserved(qdev, release, sizeof(struct qxl_cursor) + size,
338 &cursor_bo);
f64122c1
DA		 339 if (ret)
340 goto out_free_release;
8002db63
DA		 341
342 ret = qxl_release_reserve_list(release, false);
f64122c1
DA		 343 if (ret)
344 goto out_free_bo;
345
8002db63
DA		 346 ret = qxl_bo_kmap(cursor_bo, (void **)&cursor);
347 if (ret)
348 goto out_backoff;
349
f64122c1
DA		 350 cursor->header.unique = 0;
351 cursor->header.type = SPICE_CURSOR_TYPE_ALPHA;
352 cursor->header.width = 64;
353 cursor->header.height = 64;
c0a60802
DA		 354 cursor->header.hot_spot_x = hot_x;
355 cursor->header.hot_spot_y = hot_y;
f64122c1
DA		 356 cursor->data_size = size;
357 cursor->chunk.next_chunk = 0;
358 cursor->chunk.prev_chunk = 0;
359 cursor->chunk.data_size = size;
360
361 memcpy(cursor->chunk.data, user_ptr, size);
362
363 qxl_bo_kunmap(cursor_bo);
364
f64122c1 365 qxl_bo_kunmap(user_bo);
f64122c1
DA		 366
367 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
368 cmd->type = QXL_CURSOR_SET;
369 cmd->u.set.position.x = qcrtc->cur_x;
370 cmd->u.set.position.y = qcrtc->cur_y;
371
372 cmd->u.set.shape = qxl_bo_physical_address(qdev, cursor_bo, 0);
f64122c1
DA		 373
374 cmd->u.set.visible = 1;
375 qxl_release_unmap(qdev, release, &cmd->release_info);
376
f64122c1 377 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
8002db63
DA		 378 qxl_release_fence_buffer_objects(release);
379
380 /* finish with the userspace bo */
381 ret = qxl_bo_reserve(user_bo, false);
382 if (!ret) {
383 qxl_bo_unpin(user_bo);
384 qxl_bo_unreserve(user_bo);
385 }
386 drm_gem_object_unreference_unlocked(obj);
f64122c1 387
f64122c1
DA		 388 qxl_bo_unref(&cursor_bo);
389
390 return ret;
8002db63
DA		 391
392out_backoff:
393 qxl_release_backoff_reserve_list(release);
f64122c1
DA		 394out_free_bo:
395 qxl_bo_unref(&cursor_bo);
396out_free_release:
f64122c1
DA		 397 qxl_release_free(qdev, release);
398out_kunmap:
399 qxl_bo_kunmap(user_bo);
400out_unpin:
401 qxl_bo_unpin(user_bo);
f64122c1
DA		 402out_unref:
403 drm_gem_object_unreference_unlocked(obj);
404 return ret;
405}
406
407static int qxl_crtc_cursor_move(struct drm_crtc *crtc,
408 int x, int y)
409{
410 struct drm_device *dev = crtc->dev;
411 struct qxl_device *qdev = dev->dev_private;
412 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
413 struct qxl_release *release;
414 struct qxl_cursor_cmd *cmd;
415 int ret;
416
417 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), QXL_RELEASE_CURSOR_CMD,
418 &release, NULL);
8002db63
DA		 419 if (ret)
420 return ret;
421
422 ret = qxl_release_reserve_list(release, true);
423 if (ret) {
424 qxl_release_free(qdev, release);
425 return ret;
426 }
f64122c1
DA		 427
428 qcrtc->cur_x = x;
429 qcrtc->cur_y = y;
430
431 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
432 cmd->type = QXL_CURSOR_MOVE;
433 cmd->u.position.x = qcrtc->cur_x;
434 cmd->u.position.y = qcrtc->cur_y;
435 qxl_release_unmap(qdev, release, &cmd->release_info);
436
f64122c1 437 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
8002db63
DA		 438 qxl_release_fence_buffer_objects(release);
439
f64122c1
DA		 440 return 0;
441}
442
443
444static const struct drm_crtc_funcs qxl_crtc_funcs = {
c0a60802 445 .cursor_set2 = qxl_crtc_cursor_set2,
f64122c1 446 .cursor_move = qxl_crtc_cursor_move,
f64122c1
DA		 447 .set_config = drm_crtc_helper_set_config,
448 .destroy = qxl_crtc_destroy,
058e9f5c 449 .page_flip = qxl_crtc_page_flip,
f64122c1
DA		 450};
451
452static void qxl_user_framebuffer_destroy(struct drm_framebuffer *fb)
453{
454 struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb);
455
456 if (qxl_fb->obj)
457 drm_gem_object_unreference_unlocked(qxl_fb->obj);
458 drm_framebuffer_cleanup(fb);
459 kfree(qxl_fb);
460}
461
6d01f1f5
DA		 462static int qxl_framebuffer_surface_dirty(struct drm_framebuffer *fb,
463 struct drm_file *file_priv,
464 unsigned flags, unsigned color,
465 struct drm_clip_rect *clips,
466 unsigned num_clips)
f64122c1
DA		 467{
468 /* TODO: vmwgfx where this was cribbed from had locking. Why? */
469 struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb);
470 struct qxl_device *qdev = qxl_fb->base.dev->dev_private;
471 struct drm_clip_rect norect;
472 struct qxl_bo *qobj;
473 int inc = 1;
474
73e9efd4
VS		 475 drm_modeset_lock_all(fb->dev);
476
f64122c1 477 qobj = gem_to_qxl_bo(qxl_fb->obj);
b2b4465d 478 /* if we aren't primary surface ignore this */
73e9efd4
VS		 479 if (!qobj->is_primary) {
480 drm_modeset_unlock_all(fb->dev);
b2b4465d 481 return 0;
73e9efd4 482 }
b2b4465d 483
f64122c1
DA		 484 if (!num_clips) {
485 num_clips = 1;
486 clips = &norect;
487 norect.x1 = norect.y1 = 0;
488 norect.x2 = fb->width;
489 norect.y2 = fb->height;
490 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
491 num_clips /= 2;
492 inc = 2; /* skip source rects */
493 }
494
495 qxl_draw_dirty_fb(qdev, qxl_fb, qobj, flags, color,
496 clips, num_clips, inc);
73e9efd4
VS		 497
498 drm_modeset_unlock_all(fb->dev);
499
f64122c1
DA		 500 return 0;
501}
502
503static const struct drm_framebuffer_funcs qxl_fb_funcs = {
504 .destroy = qxl_user_framebuffer_destroy,
505 .dirty = qxl_framebuffer_surface_dirty,
506/* TODO?
507 * .create_handle = qxl_user_framebuffer_create_handle, */
508};
509
510int
511qxl_framebuffer_init(struct drm_device *dev,
512 struct qxl_framebuffer *qfb,
513 struct drm_mode_fb_cmd2 *mode_cmd,
514 struct drm_gem_object *obj)
515{
516 int ret;
517
518 qfb->obj = obj;
519 ret = drm_framebuffer_init(dev, &qfb->base, &qxl_fb_funcs);
520 if (ret) {
521 qfb->obj = NULL;
522 return ret;
523 }
524 drm_helper_mode_fill_fb_struct(&qfb->base, mode_cmd);
525 return 0;
526}
527
528static void qxl_crtc_dpms(struct drm_crtc *crtc, int mode)
529{
530}
531
532static bool qxl_crtc_mode_fixup(struct drm_crtc *crtc,
533 const struct drm_display_mode *mode,
534 struct drm_display_mode *adjusted_mode)
535{
536 struct drm_device *dev = crtc->dev;
537 struct qxl_device *qdev = dev->dev_private;
538
539 qxl_io_log(qdev, "%s: (%d,%d) => (%d,%d)\n",
540 __func__,
541 mode->hdisplay, mode->vdisplay,
542 adjusted_mode->hdisplay,
543 adjusted_mode->vdisplay);
544 return true;
545}
546
547void
548qxl_send_monitors_config(struct qxl_device *qdev)
549{
550 int i;
551
552 BUG_ON(!qdev->ram_header->monitors_config);
553
554 if (qdev->monitors_config->count == 0) {
555 qxl_io_log(qdev, "%s: 0 monitors??\n", __func__);
556 return;
557 }
558 for (i = 0 ; i < qdev->monitors_config->count ; ++i) {
559 struct qxl_head *head = &qdev->monitors_config->heads[i];
560
07f8d9bd 561 if (head->y > 8192 || head->x > 8192 ||
f64122c1
DA		 562 head->width > 8192 || head->height > 8192) {
563 DRM_ERROR("head %d wrong: %dx%d+%d+%d\n",
564 i, head->width, head->height,
565 head->x, head->y);
566 return;
567 }
568 }
569 qxl_io_monitors_config(qdev);
570}
571
07f8d9bd
DA		 572static void qxl_monitors_config_set(struct qxl_device *qdev,
573 int index,
574 unsigned x, unsigned y,
575 unsigned width, unsigned height,
576 unsigned surf_id)
f64122c1 577{
07f8d9bd
DA		 578 DRM_DEBUG_KMS("%d:%dx%d+%d+%d\n", index, width, height, x, y);
579 qdev->monitors_config->heads[index].x = x;
580 qdev->monitors_config->heads[index].y = y;
581 qdev->monitors_config->heads[index].width = width;
582 qdev->monitors_config->heads[index].height = height;
583 qdev->monitors_config->heads[index].surface_id = surf_id;
584
f64122c1
DA		 585}
586
587static int qxl_crtc_mode_set(struct drm_crtc *crtc,
588 struct drm_display_mode *mode,
589 struct drm_display_mode *adjusted_mode,
590 int x, int y,
591 struct drm_framebuffer *old_fb)
592{
593 struct drm_device *dev = crtc->dev;
594 struct qxl_device *qdev = dev->dev_private;
f64122c1
DA		 595 struct qxl_framebuffer *qfb;
596 struct qxl_bo *bo, *old_bo = NULL;
07f8d9bd 597 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
f64122c1
DA		 598 bool recreate_primary = false;
599 int ret;
07f8d9bd 600 int surf_id;
f4510a27 601 if (!crtc->primary->fb) {
f64122c1
DA		 602 DRM_DEBUG_KMS("No FB bound\n");
603 return 0;
604 }
605
606 if (old_fb) {
607 qfb = to_qxl_framebuffer(old_fb);
608 old_bo = gem_to_qxl_bo(qfb->obj);
609 }
f4510a27 610 qfb = to_qxl_framebuffer(crtc->primary->fb);
f64122c1 611 bo = gem_to_qxl_bo(qfb->obj);
f64122c1
DA		 612 DRM_DEBUG("+%d+%d (%d,%d) => (%d,%d)\n",
613 x, y,
614 mode->hdisplay, mode->vdisplay,
615 adjusted_mode->hdisplay,
616 adjusted_mode->vdisplay);
617
07f8d9bd
DA		 618 if (qcrtc->index == 0)
619 recreate_primary = true;
f64122c1 620
c572aaf4
MAL		 621 if (bo->surf.stride * bo->surf.height > qdev->vram_size) {
622 DRM_ERROR("Mode doesn't fit in vram size (vgamem)");
623 return -EINVAL;
624 }
f64122c1
DA		 625
626 ret = qxl_bo_reserve(bo, false);
627 if (ret != 0)
628 return ret;
629 ret = qxl_bo_pin(bo, bo->type, NULL);
630 if (ret != 0) {
631 qxl_bo_unreserve(bo);
632 return -EINVAL;
633 }
634 qxl_bo_unreserve(bo);
635 if (recreate_primary) {
636 qxl_io_destroy_primary(qdev);
637 qxl_io_log(qdev,
c572aaf4
MAL		 638 "recreate primary: %dx%d,%d,%d\n",
639 bo->surf.width, bo->surf.height,
640 bo->surf.stride, bo->surf.format);
641 qxl_io_create_primary(qdev, 0, bo);
f64122c1 642 bo->is_primary = true;
52571ad5
DM		 643 }
644
645 if (bo->is_primary) {
646 DRM_DEBUG_KMS("setting surface_id to 0 for primary surface %d on crtc %d\n", bo->surface_id, qcrtc->index);
07f8d9bd
DA		 647 surf_id = 0;
648 } else {
649 surf_id = bo->surface_id;
f64122c1
DA		 650 }
651
652 if (old_bo && old_bo != bo) {
653 old_bo->is_primary = false;
654 ret = qxl_bo_reserve(old_bo, false);
655 qxl_bo_unpin(old_bo);
656 qxl_bo_unreserve(old_bo);
657 }
658
07f8d9bd
DA		 659 qxl_monitors_config_set(qdev, qcrtc->index, x, y,
660 mode->hdisplay,
661 mode->vdisplay, surf_id);
f64122c1
DA		 662 return 0;
663}
664
665static void qxl_crtc_prepare(struct drm_crtc *crtc)
666{
667 DRM_DEBUG("current: %dx%d+%d+%d (%d).\n",
668 crtc->mode.hdisplay, crtc->mode.vdisplay,
669 crtc->x, crtc->y, crtc->enabled);
670}
671
672static void qxl_crtc_commit(struct drm_crtc *crtc)
673{
674 DRM_DEBUG("\n");
675}
676
07f8d9bd
DA		 677static void qxl_crtc_disable(struct drm_crtc *crtc)
678{
679 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
680 struct drm_device *dev = crtc->dev;
681 struct qxl_device *qdev = dev->dev_private;
f4510a27
MR		 682 if (crtc->primary->fb) {
683 struct qxl_framebuffer *qfb = to_qxl_framebuffer(crtc->primary->fb);
07f8d9bd
DA		 684 struct qxl_bo *bo = gem_to_qxl_bo(qfb->obj);
685 int ret;
686 ret = qxl_bo_reserve(bo, false);
687 qxl_bo_unpin(bo);
688 qxl_bo_unreserve(bo);
f4510a27 689 crtc->primary->fb = NULL;
07f8d9bd
DA		 690 }
691
692 qxl_monitors_config_set(qdev, qcrtc->index, 0, 0, 0, 0, 0);
693
694 qxl_send_monitors_config(qdev);
695}
696
f64122c1
DA		 697static const struct drm_crtc_helper_funcs qxl_crtc_helper_funcs = {
698 .dpms = qxl_crtc_dpms,
07f8d9bd 699 .disable = qxl_crtc_disable,
f64122c1
DA		 700 .mode_fixup = qxl_crtc_mode_fixup,
701 .mode_set = qxl_crtc_mode_set,
702 .prepare = qxl_crtc_prepare,
703 .commit = qxl_crtc_commit,
f64122c1
DA		 704};
705
07f8d9bd 706static int qdev_crtc_init(struct drm_device *dev, int crtc_id)
f64122c1
DA		 707{
708 struct qxl_crtc *qxl_crtc;
709
710 qxl_crtc = kzalloc(sizeof(struct qxl_crtc), GFP_KERNEL);
711 if (!qxl_crtc)
712 return -ENOMEM;
713
714 drm_crtc_init(dev, &qxl_crtc->base, &qxl_crtc_funcs);
07f8d9bd 715 qxl_crtc->index = crtc_id;
f64122c1
DA		 716 drm_mode_crtc_set_gamma_size(&qxl_crtc->base, 256);
717 drm_crtc_helper_add(&qxl_crtc->base, &qxl_crtc_helper_funcs);
718 return 0;
719}
720
721static void qxl_enc_dpms(struct drm_encoder *encoder, int mode)
722{
723 DRM_DEBUG("\n");
724}
725
726static bool qxl_enc_mode_fixup(struct drm_encoder *encoder,
727 const struct drm_display_mode *mode,
728 struct drm_display_mode *adjusted_mode)
729{
730 DRM_DEBUG("\n");
731 return true;
732}
733
734static void qxl_enc_prepare(struct drm_encoder *encoder)
735{
736 DRM_DEBUG("\n");
737}
738
739static void qxl_write_monitors_config_for_encoder(struct qxl_device *qdev,
740 struct drm_encoder *encoder)
741{
742 int i;
07f8d9bd 743 struct qxl_output *output = drm_encoder_to_qxl_output(encoder);
f64122c1
DA		 744 struct qxl_head *head;
745 struct drm_display_mode *mode;
746
747 BUG_ON(!encoder);
748 /* TODO: ugly, do better */
07f8d9bd 749 i = output->index;
f64122c1
DA		 750 if (!qdev->monitors_config ||
751 qdev->monitors_config->max_allowed <= i) {
752 DRM_ERROR(
753 "head number too large or missing monitors config: %p, %d",
754 qdev->monitors_config,
755 qdev->monitors_config ?
756 qdev->monitors_config->max_allowed : -1);
757 return;
758 }
759 if (!encoder->crtc) {
760 DRM_ERROR("missing crtc on encoder %p\n", encoder);
761 return;
762 }
763 if (i != 0)
764 DRM_DEBUG("missing for multiple monitors: no head holes\n");
765 head = &qdev->monitors_config->heads[i];
766 head->id = i;
f64122c1
DA		 767 if (encoder->crtc->enabled) {
768 mode = &encoder->crtc->mode;
769 head->width = mode->hdisplay;
770 head->height = mode->vdisplay;
771 head->x = encoder->crtc->x;
772 head->y = encoder->crtc->y;
773 if (qdev->monitors_config->count < i + 1)
774 qdev->monitors_config->count = i + 1;
775 } else {
776 head->width = 0;
777 head->height = 0;
778 head->x = 0;
779 head->y = 0;
780 }
07f8d9bd
DA		 781 DRM_DEBUG_KMS("setting head %d to +%d+%d %dx%d out of %d\n",
782 i, head->x, head->y, head->width, head->height, qdev->monitors_config->count);
f64122c1
DA		 783 head->flags = 0;
784 /* TODO - somewhere else to call this for multiple monitors
785 * (config_commit?) */
786 qxl_send_monitors_config(qdev);
787}
788
789static void qxl_enc_commit(struct drm_encoder *encoder)
790{
791 struct qxl_device *qdev = encoder->dev->dev_private;
792
793 qxl_write_monitors_config_for_encoder(qdev, encoder);
794 DRM_DEBUG("\n");
795}
796
797static void qxl_enc_mode_set(struct drm_encoder *encoder,
798 struct drm_display_mode *mode,
799 struct drm_display_mode *adjusted_mode)
800{
801 DRM_DEBUG("\n");
802}
803
804static int qxl_conn_get_modes(struct drm_connector *connector)
805{
806 int ret = 0;
807 struct qxl_device *qdev = connector->dev->dev_private;
b0807423
MAL		 808 unsigned pwidth = 1024;
809 unsigned pheight = 768;
f64122c1
DA		 810
811 DRM_DEBUG_KMS("monitors_config=%p\n", qdev->monitors_config);
812 /* TODO: what should we do here? only show the configured modes for the
813 * device, or allow the full list, or both? */
814 if (qdev->monitors_config && qdev->monitors_config->count) {
b0807423 815 ret = qxl_add_monitors_config_modes(connector, &pwidth, &pheight);
f64122c1
DA		 816 if (ret < 0)
817 return ret;
818 }
b0807423 819 ret += qxl_add_common_modes(connector, pwidth, pheight);
f64122c1
DA		 820 return ret;
821}
822
823static int qxl_conn_mode_valid(struct drm_connector *connector,
824 struct drm_display_mode *mode)
825{
826 /* TODO: is this called for user defined modes? (xrandr --add-mode)
827 * TODO: check that the mode fits in the framebuffer */
828 DRM_DEBUG("%s: %dx%d status=%d\n", mode->name, mode->hdisplay,
829 mode->vdisplay, mode->status);
830 return MODE_OK;
831}
832
6d01f1f5 833static struct drm_encoder *qxl_best_encoder(struct drm_connector *connector)
f64122c1
DA		 834{
835 struct qxl_output *qxl_output =
836 drm_connector_to_qxl_output(connector);
837
838 DRM_DEBUG("\n");
839 return &qxl_output->enc;
840}
841
842
843static const struct drm_encoder_helper_funcs qxl_enc_helper_funcs = {
844 .dpms = qxl_enc_dpms,
845 .mode_fixup = qxl_enc_mode_fixup,
846 .prepare = qxl_enc_prepare,
847 .mode_set = qxl_enc_mode_set,
848 .commit = qxl_enc_commit,
849};
850
851static const struct drm_connector_helper_funcs qxl_connector_helper_funcs = {
852 .get_modes = qxl_conn_get_modes,
853 .mode_valid = qxl_conn_mode_valid,
854 .best_encoder = qxl_best_encoder,
855};
856
857static void qxl_conn_save(struct drm_connector *connector)
858{
859 DRM_DEBUG("\n");
860}
861
862static void qxl_conn_restore(struct drm_connector *connector)
863{
864 DRM_DEBUG("\n");
865}
866
867static enum drm_connector_status qxl_conn_detect(
868 struct drm_connector *connector,
869 bool force)
870{
871 struct qxl_output *output =
872 drm_connector_to_qxl_output(connector);
873 struct drm_device *ddev = connector->dev;
874 struct qxl_device *qdev = ddev->dev_private;
875 int connected;
876
877 /* The first monitor is always connected */
878 connected = (output->index == 0) ||
07f8d9bd
DA		 879 (qdev->client_monitors_config &&
880 qdev->client_monitors_config->count > output->index &&
881 qxl_head_enabled(&qdev->client_monitors_config->heads[output->index]));
f64122c1 882
5cab51cb
MAL		 883 DRM_DEBUG("#%d connected: %d\n", output->index, connected);
884 if (!connected)
885 qxl_monitors_config_set(qdev, output->index, 0, 0, 0, 0, 0);
886
f64122c1
DA		 887 return connected ? connector_status_connected
888 : connector_status_disconnected;
889}
890
891static int qxl_conn_set_property(struct drm_connector *connector,
892 struct drm_property *property,
893 uint64_t value)
894{
895 DRM_DEBUG("\n");
896 return 0;
897}
898
899static void qxl_conn_destroy(struct drm_connector *connector)
900{
901 struct qxl_output *qxl_output =
902 drm_connector_to_qxl_output(connector);
903
34ea3d38 904 drm_connector_unregister(connector);
f64122c1
DA		 905 drm_connector_cleanup(connector);
906 kfree(qxl_output);
907}
908
909static const struct drm_connector_funcs qxl_connector_funcs = {
910 .dpms = drm_helper_connector_dpms,
911 .save = qxl_conn_save,
912 .restore = qxl_conn_restore,
913 .detect = qxl_conn_detect,
b87577b7 914 .fill_modes = drm_helper_probe_single_connector_modes_nomerge,
f64122c1
DA		 915 .set_property = qxl_conn_set_property,
916 .destroy = qxl_conn_destroy,
917};
918
919static void qxl_enc_destroy(struct drm_encoder *encoder)
920{
921 drm_encoder_cleanup(encoder);
922}
923
924static const struct drm_encoder_funcs qxl_enc_funcs = {
925 .destroy = qxl_enc_destroy,
926};
927
4695b039
DA		 928static int qxl_mode_create_hotplug_mode_update_property(struct qxl_device *qdev)
929{
930 if (qdev->hotplug_mode_update_property)
931 return 0;
932
933 qdev->hotplug_mode_update_property =
934 drm_property_create_range(qdev->ddev, DRM_MODE_PROP_IMMUTABLE,
935 "hotplug_mode_update", 0, 1);
936
937 return 0;
938}
939
6d01f1f5 940static int qdev_output_init(struct drm_device *dev, int num_output)
f64122c1 941{
4695b039 942 struct qxl_device *qdev = dev->dev_private;
f64122c1
DA		 943 struct qxl_output *qxl_output;
944 struct drm_connector *connector;
945 struct drm_encoder *encoder;
946
947 qxl_output = kzalloc(sizeof(struct qxl_output), GFP_KERNEL);
948 if (!qxl_output)
949 return -ENOMEM;
950
951 qxl_output->index = num_output;
952
953 connector = &qxl_output->base;
954 encoder = &qxl_output->enc;
955 drm_connector_init(dev, &qxl_output->base,
956 &qxl_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL);
957
958 drm_encoder_init(dev, &qxl_output->enc, &qxl_enc_funcs,
959 DRM_MODE_ENCODER_VIRTUAL);
960
5ff91e44
DA		 961 /* we get HPD via client monitors config */
962 connector->polled = DRM_CONNECTOR_POLL_HPD;
f64122c1
DA		 963 encoder->possible_crtcs = 1 << num_output;
964 drm_mode_connector_attach_encoder(&qxl_output->base,
965 &qxl_output->enc);
966 drm_encoder_helper_add(encoder, &qxl_enc_helper_funcs);
967 drm_connector_helper_add(connector, &qxl_connector_helper_funcs);
968
4695b039
DA		 969 drm_object_attach_property(&connector->base,
970 qdev->hotplug_mode_update_property, 0);
7dea0941
DA		 971 drm_object_attach_property(&connector->base,
972 dev->mode_config.suggested_x_property, 0);
973 drm_object_attach_property(&connector->base,
974 dev->mode_config.suggested_y_property, 0);
34ea3d38 975 drm_connector_register(connector);
f64122c1
DA		 976 return 0;
977}
978
979static struct drm_framebuffer *
980qxl_user_framebuffer_create(struct drm_device *dev,
981 struct drm_file *file_priv,
982 struct drm_mode_fb_cmd2 *mode_cmd)
983{
984 struct drm_gem_object *obj;
985 struct qxl_framebuffer *qxl_fb;
f64122c1
DA		 986 int ret;
987
988 obj = drm_gem_object_lookup(dev, file_priv, mode_cmd->handles[0]);
989
990 qxl_fb = kzalloc(sizeof(*qxl_fb), GFP_KERNEL);
991 if (qxl_fb == NULL)
992 return NULL;
993
994 ret = qxl_framebuffer_init(dev, qxl_fb, mode_cmd, obj);
995 if (ret) {
996 kfree(qxl_fb);
997 drm_gem_object_unreference_unlocked(obj);
998 return NULL;
999 }
1000
f64122c1
DA		 1001 return &qxl_fb->base;
1002}
1003
1004static const struct drm_mode_config_funcs qxl_mode_funcs = {
1005 .fb_create = qxl_user_framebuffer_create,
1006};
1007
2bd6ce84 1008int qxl_create_monitors_object(struct qxl_device *qdev)
f64122c1 1009{
f64122c1
DA		 1010 int ret;
1011 struct drm_gem_object *gobj;
07f8d9bd 1012 int max_allowed = qxl_num_crtc;
f64122c1 1013 int monitors_config_size = sizeof(struct qxl_monitors_config) +
2bd6ce84 1014 max_allowed * sizeof(struct qxl_head);
f64122c1 1015
f64122c1
DA		 1016 ret = qxl_gem_object_create(qdev, monitors_config_size, 0,
1017 QXL_GEM_DOMAIN_VRAM,
1018 false, false, NULL, &gobj);
1019 if (ret) {
1020 DRM_ERROR("%s: failed to create gem ret=%d\n", __func__, ret);
1021 return -ENOMEM;
1022 }
1023 qdev->monitors_config_bo = gem_to_qxl_bo(gobj);
2bd6ce84
DA		 1024
1025 ret = qxl_bo_reserve(qdev->monitors_config_bo, false);
1026 if (ret)
1027 return ret;
1028
1029 ret = qxl_bo_pin(qdev->monitors_config_bo, QXL_GEM_DOMAIN_VRAM, NULL);
1030 if (ret) {
1031 qxl_bo_unreserve(qdev->monitors_config_bo);
1032 return ret;
1033 }
1034
1035 qxl_bo_unreserve(qdev->monitors_config_bo);
1036
f64122c1 1037 qxl_bo_kmap(qdev->monitors_config_bo, NULL);
2bd6ce84 1038
f64122c1
DA		 1039 qdev->monitors_config = qdev->monitors_config_bo->kptr;
1040 qdev->ram_header->monitors_config =
1041 qxl_bo_physical_address(qdev, qdev->monitors_config_bo, 0);
1042
1043 memset(qdev->monitors_config, 0, monitors_config_size);
1044 qdev->monitors_config->max_allowed = max_allowed;
2bd6ce84
DA		 1045 return 0;
1046}
1047
1048int qxl_destroy_monitors_object(struct qxl_device *qdev)
1049{
1050 int ret;
1051
1052 qdev->monitors_config = NULL;
1053 qdev->ram_header->monitors_config = 0;
1054
1055 qxl_bo_kunmap(qdev->monitors_config_bo);
1056 ret = qxl_bo_reserve(qdev->monitors_config_bo, false);
1057 if (ret)
1058 return ret;
1059
1060 qxl_bo_unpin(qdev->monitors_config_bo);
1061 qxl_bo_unreserve(qdev->monitors_config_bo);
1062
1063 qxl_bo_unref(&qdev->monitors_config_bo);
1064 return 0;
1065}
1066
1067int qxl_modeset_init(struct qxl_device *qdev)
1068{
1069 int i;
1070 int ret;
1071
1072 drm_mode_config_init(qdev->ddev);
1073
1074 ret = qxl_create_monitors_object(qdev);
1075 if (ret)
1076 return ret;
f64122c1
DA		 1077
1078 qdev->ddev->mode_config.funcs = (void *)&qxl_mode_funcs;
1079
1080 /* modes will be validated against the framebuffer size */
1081 qdev->ddev->mode_config.min_width = 320;
1082 qdev->ddev->mode_config.min_height = 200;
1083 qdev->ddev->mode_config.max_width = 8192;
1084 qdev->ddev->mode_config.max_height = 8192;
1085
1086 qdev->ddev->mode_config.fb_base = qdev->vram_base;
4695b039 1087
7dea0941 1088 drm_mode_create_suggested_offset_properties(qdev->ddev);
4695b039
DA		 1089 qxl_mode_create_hotplug_mode_update_property(qdev);
1090
07f8d9bd 1091 for (i = 0 ; i < qxl_num_crtc; ++i) {
f64122c1
DA		 1092 qdev_crtc_init(qdev->ddev, i);
1093 qdev_output_init(qdev->ddev, i);
1094 }
1095
1096 qdev->mode_info.mode_config_initialized = true;
1097
1098 /* primary surface must be created by this point, to allow
1099 * issuing command queue commands and having them read by
1100 * spice server. */
1101 qxl_fbdev_init(qdev);
1102 return 0;
1103}
1104
1105void qxl_modeset_fini(struct qxl_device *qdev)
1106{
1107 qxl_fbdev_fini(qdev);
2bd6ce84
DA		 1108
1109 qxl_destroy_monitors_object(qdev);
f64122c1
DA		 1110 if (qdev->mode_info.mode_config_initialized) {
1111 drm_mode_config_cleanup(qdev->ddev);
1112 qdev->mode_info.mode_config_initialized = false;
1113 }
1114}
Linux kernel - Deliverables
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