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Merge tag 'nfsd-4.3-2' of git://linux-nfs.org/~bfields/linux
[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) {
72ec5650 70 qxl_io_log(qdev, "crc mismatch: have %X (%zd) != %X\n", crc,
f64122c1
DA		 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 162 drm_mode_probed_add(connector, mode);
bd3e1c7c
JJ		 163 /* remember the last custom size for mode validation */
164 qdev->monitors_config_width = mode->hdisplay;
165 qdev->monitors_config_height = mode->vdisplay;
f64122c1
DA		 166 return 1;
167}
168
bd3e1c7c
JJ		 169static 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
b0807423
MAL		 192static int qxl_add_common_modes(struct drm_connector *connector,
193 unsigned pwidth,
194 unsigned pheight)
f64122c1
DA		 195{
196 struct drm_device *dev = connector->dev;
197 struct drm_display_mode *mode = NULL;
198 int i;
f64122c1 199 for (i = 0; i < ARRAY_SIZE(common_modes); i++) {
f64122c1
DA		 200 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h,
201 60, false, false, false);
b0807423 202 if (common_modes[i].w == pwidth && common_modes[i].h == pheight)
f64122c1
DA		 203 mode->type |= DRM_MODE_TYPE_PREFERRED;
204 drm_mode_probed_add(connector, mode);
205 }
206 return i - 1;
207}
208
f64122c1
DA		 209static 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 kfree(qxl_crtc);
215}
216
058e9f5c
AP		 217static int qxl_crtc_page_flip(struct drm_crtc *crtc,
218 struct drm_framebuffer *fb,
219 struct drm_pending_vblank_event *event,
220 uint32_t page_flip_flags)
221{
222 struct drm_device *dev = crtc->dev;
223 struct qxl_device *qdev = dev->dev_private;
224 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
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);
7eb9974f
FZ		 245 if (ret)
246 return ret;
247 ret = qxl_bo_pin(bo, bo->type, NULL);
248 qxl_bo_unreserve(bo);
058e9f5c
AP		 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_vblank_get(dev, qcrtc->index);
256
257 if (event) {
258 spin_lock_irqsave(&dev->event_lock, flags);
259 drm_send_vblank_event(dev, qcrtc->index, event);
260 spin_unlock_irqrestore(&dev->event_lock, flags);
261 }
262 drm_vblank_put(dev, qcrtc->index);
263
7eb9974f
FZ		 264 ret = qxl_bo_reserve(bo, false);
265 if (!ret) {
266 qxl_bo_unpin(bo);
267 qxl_bo_unreserve(bo);
268 }
058e9f5c
AP		 269
270 return 0;
271}
272
8002db63 273static int
f64122c1
DA		 274qxl_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);
8002db63
DA		 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 }
f64122c1
DA		 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
f64122c1 295 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
8002db63
DA		 296 qxl_release_fence_buffer_objects(release);
297 return 0;
f64122c1
DA		 298}
299
c0a60802
DA		 300static int qxl_crtc_cursor_set2(struct drm_crtc *crtc,
301 struct drm_file *file_priv,
302 uint32_t handle,
303 uint32_t width,
304 uint32_t height, int32_t hot_x, int32_t hot_y)
f64122c1
DA		 305{
306 struct drm_device *dev = crtc->dev;
307 struct qxl_device *qdev = dev->dev_private;
308 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
309 struct drm_gem_object *obj;
310 struct qxl_cursor *cursor;
311 struct qxl_cursor_cmd *cmd;
312 struct qxl_bo *cursor_bo, *user_bo;
313 struct qxl_release *release;
314 void *user_ptr;
315
316 int size = 64*64*4;
317 int ret = 0;
8002db63
DA		 318 if (!handle)
319 return qxl_hide_cursor(qdev);
f64122c1
DA		 320
321 obj = drm_gem_object_lookup(crtc->dev, file_priv, handle);
322 if (!obj) {
323 DRM_ERROR("cannot find cursor object\n");
324 return -ENOENT;
325 }
326
327 user_bo = gem_to_qxl_bo(obj);
328
329 ret = qxl_bo_reserve(user_bo, false);
330 if (ret)
331 goto out_unref;
332
333 ret = qxl_bo_pin(user_bo, QXL_GEM_DOMAIN_CPU, NULL);
8002db63 334 qxl_bo_unreserve(user_bo);
f64122c1 335 if (ret)
8002db63 336 goto out_unref;
f64122c1
DA		 337
338 ret = qxl_bo_kmap(user_bo, &user_ptr);
339 if (ret)
340 goto out_unpin;
341
342 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
343 QXL_RELEASE_CURSOR_CMD,
344 &release, NULL);
345 if (ret)
346 goto out_kunmap;
8002db63
DA		 347
348 ret = qxl_alloc_bo_reserved(qdev, release, sizeof(struct qxl_cursor) + size,
349 &cursor_bo);
f64122c1
DA		 350 if (ret)
351 goto out_free_release;
8002db63
DA		 352
353 ret = qxl_release_reserve_list(release, false);
f64122c1
DA		 354 if (ret)
355 goto out_free_bo;
356
8002db63
DA		 357 ret = qxl_bo_kmap(cursor_bo, (void **)&cursor);
358 if (ret)
359 goto out_backoff;
360
f64122c1
DA		 361 cursor->header.unique = 0;
362 cursor->header.type = SPICE_CURSOR_TYPE_ALPHA;
363 cursor->header.width = 64;
364 cursor->header.height = 64;
c0a60802
DA		 365 cursor->header.hot_spot_x = hot_x;
366 cursor->header.hot_spot_y = hot_y;
f64122c1
DA		 367 cursor->data_size = size;
368 cursor->chunk.next_chunk = 0;
369 cursor->chunk.prev_chunk = 0;
370 cursor->chunk.data_size = size;
371
372 memcpy(cursor->chunk.data, user_ptr, size);
373
374 qxl_bo_kunmap(cursor_bo);
375
f64122c1 376 qxl_bo_kunmap(user_bo);
f64122c1
DA		 377
378 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
379 cmd->type = QXL_CURSOR_SET;
380 cmd->u.set.position.x = qcrtc->cur_x;
381 cmd->u.set.position.y = qcrtc->cur_y;
382
383 cmd->u.set.shape = qxl_bo_physical_address(qdev, cursor_bo, 0);
f64122c1
DA		 384
385 cmd->u.set.visible = 1;
386 qxl_release_unmap(qdev, release, &cmd->release_info);
387
f64122c1 388 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
8002db63
DA		 389 qxl_release_fence_buffer_objects(release);
390
391 /* finish with the userspace bo */
392 ret = qxl_bo_reserve(user_bo, false);
393 if (!ret) {
394 qxl_bo_unpin(user_bo);
395 qxl_bo_unreserve(user_bo);
396 }
397 drm_gem_object_unreference_unlocked(obj);
f64122c1 398
f64122c1
DA		 399 qxl_bo_unref(&cursor_bo);
400
401 return ret;
8002db63
DA		 402
403out_backoff:
404 qxl_release_backoff_reserve_list(release);
f64122c1
DA		 405out_free_bo:
406 qxl_bo_unref(&cursor_bo);
407out_free_release:
f64122c1
DA		 408 qxl_release_free(qdev, release);
409out_kunmap:
410 qxl_bo_kunmap(user_bo);
411out_unpin:
412 qxl_bo_unpin(user_bo);
f64122c1
DA		 413out_unref:
414 drm_gem_object_unreference_unlocked(obj);
415 return ret;
416}
417
418static int qxl_crtc_cursor_move(struct drm_crtc *crtc,
419 int x, int y)
420{
421 struct drm_device *dev = crtc->dev;
422 struct qxl_device *qdev = dev->dev_private;
423 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
424 struct qxl_release *release;
425 struct qxl_cursor_cmd *cmd;
426 int ret;
427
428 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), QXL_RELEASE_CURSOR_CMD,
429 &release, NULL);
8002db63
DA		 430 if (ret)
431 return ret;
432
433 ret = qxl_release_reserve_list(release, true);
434 if (ret) {
435 qxl_release_free(qdev, release);
436 return ret;
437 }
f64122c1
DA		 438
439 qcrtc->cur_x = x;
440 qcrtc->cur_y = y;
441
442 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
443 cmd->type = QXL_CURSOR_MOVE;
444 cmd->u.position.x = qcrtc->cur_x;
445 cmd->u.position.y = qcrtc->cur_y;
446 qxl_release_unmap(qdev, release, &cmd->release_info);
447
f64122c1 448 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
8002db63
DA		 449 qxl_release_fence_buffer_objects(release);
450
f64122c1
DA		 451 return 0;
452}
453
454
455static const struct drm_crtc_funcs qxl_crtc_funcs = {
c0a60802 456 .cursor_set2 = qxl_crtc_cursor_set2,
f64122c1 457 .cursor_move = qxl_crtc_cursor_move,
f64122c1
DA		 458 .set_config = drm_crtc_helper_set_config,
459 .destroy = qxl_crtc_destroy,
058e9f5c 460 .page_flip = qxl_crtc_page_flip,
f64122c1
DA		 461};
462
463static void qxl_user_framebuffer_destroy(struct drm_framebuffer *fb)
464{
465 struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb);
466
467 if (qxl_fb->obj)
468 drm_gem_object_unreference_unlocked(qxl_fb->obj);
469 drm_framebuffer_cleanup(fb);
470 kfree(qxl_fb);
471}
472
6d01f1f5
DA		 473static int qxl_framebuffer_surface_dirty(struct drm_framebuffer *fb,
474 struct drm_file *file_priv,
475 unsigned flags, unsigned color,
476 struct drm_clip_rect *clips,
477 unsigned num_clips)
f64122c1
DA		 478{
479 /* TODO: vmwgfx where this was cribbed from had locking. Why? */
480 struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb);
481 struct qxl_device *qdev = qxl_fb->base.dev->dev_private;
482 struct drm_clip_rect norect;
483 struct qxl_bo *qobj;
484 int inc = 1;
485
73e9efd4
VS		 486 drm_modeset_lock_all(fb->dev);
487
f64122c1 488 qobj = gem_to_qxl_bo(qxl_fb->obj);
b2b4465d 489 /* if we aren't primary surface ignore this */
73e9efd4
VS		 490 if (!qobj->is_primary) {
491 drm_modeset_unlock_all(fb->dev);
b2b4465d 492 return 0;
73e9efd4 493 }
b2b4465d 494
f64122c1
DA		 495 if (!num_clips) {
496 num_clips = 1;
497 clips = &norect;
498 norect.x1 = norect.y1 = 0;
499 norect.x2 = fb->width;
500 norect.y2 = fb->height;
501 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
502 num_clips /= 2;
503 inc = 2; /* skip source rects */
504 }
505
506 qxl_draw_dirty_fb(qdev, qxl_fb, qobj, flags, color,
507 clips, num_clips, inc);
73e9efd4
VS		 508
509 drm_modeset_unlock_all(fb->dev);
510
f64122c1
DA		 511 return 0;
512}
513
514static const struct drm_framebuffer_funcs qxl_fb_funcs = {
515 .destroy = qxl_user_framebuffer_destroy,
516 .dirty = qxl_framebuffer_surface_dirty,
517/* TODO?
518 * .create_handle = qxl_user_framebuffer_create_handle, */
519};
520
521int
522qxl_framebuffer_init(struct drm_device *dev,
523 struct qxl_framebuffer *qfb,
524 struct drm_mode_fb_cmd2 *mode_cmd,
525 struct drm_gem_object *obj)
526{
527 int ret;
528
529 qfb->obj = obj;
530 ret = drm_framebuffer_init(dev, &qfb->base, &qxl_fb_funcs);
531 if (ret) {
532 qfb->obj = NULL;
533 return ret;
534 }
535 drm_helper_mode_fill_fb_struct(&qfb->base, mode_cmd);
536 return 0;
537}
538
539static void qxl_crtc_dpms(struct drm_crtc *crtc, int mode)
540{
541}
542
543static bool qxl_crtc_mode_fixup(struct drm_crtc *crtc,
544 const struct drm_display_mode *mode,
545 struct drm_display_mode *adjusted_mode)
546{
547 struct drm_device *dev = crtc->dev;
548 struct qxl_device *qdev = dev->dev_private;
549
550 qxl_io_log(qdev, "%s: (%d,%d) => (%d,%d)\n",
551 __func__,
552 mode->hdisplay, mode->vdisplay,
553 adjusted_mode->hdisplay,
554 adjusted_mode->vdisplay);
555 return true;
556}
557
558void
559qxl_send_monitors_config(struct qxl_device *qdev)
560{
561 int i;
562
563 BUG_ON(!qdev->ram_header->monitors_config);
564
565 if (qdev->monitors_config->count == 0) {
566 qxl_io_log(qdev, "%s: 0 monitors??\n", __func__);
567 return;
568 }
569 for (i = 0 ; i < qdev->monitors_config->count ; ++i) {
570 struct qxl_head *head = &qdev->monitors_config->heads[i];
571
07f8d9bd 572 if (head->y > 8192 || head->x > 8192 ||
f64122c1
DA		 573 head->width > 8192 || head->height > 8192) {
574 DRM_ERROR("head %d wrong: %dx%d+%d+%d\n",
575 i, head->width, head->height,
576 head->x, head->y);
577 return;
578 }
579 }
580 qxl_io_monitors_config(qdev);
581}
582
07f8d9bd
DA		 583static void qxl_monitors_config_set(struct qxl_device *qdev,
584 int index,
585 unsigned x, unsigned y,
586 unsigned width, unsigned height,
587 unsigned surf_id)
f64122c1 588{
07f8d9bd
DA		 589 DRM_DEBUG_KMS("%d:%dx%d+%d+%d\n", index, width, height, x, y);
590 qdev->monitors_config->heads[index].x = x;
591 qdev->monitors_config->heads[index].y = y;
592 qdev->monitors_config->heads[index].width = width;
593 qdev->monitors_config->heads[index].height = height;
594 qdev->monitors_config->heads[index].surface_id = surf_id;
595
f64122c1
DA		 596}
597
598static int qxl_crtc_mode_set(struct drm_crtc *crtc,
599 struct drm_display_mode *mode,
600 struct drm_display_mode *adjusted_mode,
601 int x, int y,
602 struct drm_framebuffer *old_fb)
603{
604 struct drm_device *dev = crtc->dev;
605 struct qxl_device *qdev = dev->dev_private;
f64122c1
DA		 606 struct qxl_framebuffer *qfb;
607 struct qxl_bo *bo, *old_bo = NULL;
07f8d9bd 608 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
f64122c1
DA		 609 bool recreate_primary = false;
610 int ret;
07f8d9bd 611 int surf_id;
f4510a27 612 if (!crtc->primary->fb) {
f64122c1
DA		 613 DRM_DEBUG_KMS("No FB bound\n");
614 return 0;
615 }
616
617 if (old_fb) {
618 qfb = to_qxl_framebuffer(old_fb);
619 old_bo = gem_to_qxl_bo(qfb->obj);
620 }
f4510a27 621 qfb = to_qxl_framebuffer(crtc->primary->fb);
f64122c1 622 bo = gem_to_qxl_bo(qfb->obj);
f64122c1
DA		 623 DRM_DEBUG("+%d+%d (%d,%d) => (%d,%d)\n",
624 x, y,
625 mode->hdisplay, mode->vdisplay,
626 adjusted_mode->hdisplay,
627 adjusted_mode->vdisplay);
628
8d0d9401 629 if (bo->is_primary == false)
07f8d9bd 630 recreate_primary = true;
f64122c1 631
c572aaf4
MAL		 632 if (bo->surf.stride * bo->surf.height > qdev->vram_size) {
633 DRM_ERROR("Mode doesn't fit in vram size (vgamem)");
634 return -EINVAL;
635 }
f64122c1
DA		 636
637 ret = qxl_bo_reserve(bo, false);
638 if (ret != 0)
639 return ret;
640 ret = qxl_bo_pin(bo, bo->type, NULL);
641 if (ret != 0) {
642 qxl_bo_unreserve(bo);
643 return -EINVAL;
644 }
645 qxl_bo_unreserve(bo);
646 if (recreate_primary) {
647 qxl_io_destroy_primary(qdev);
648 qxl_io_log(qdev,
c572aaf4
MAL		 649 "recreate primary: %dx%d,%d,%d\n",
650 bo->surf.width, bo->surf.height,
651 bo->surf.stride, bo->surf.format);
652 qxl_io_create_primary(qdev, 0, bo);
f64122c1 653 bo->is_primary = true;
52571ad5
DM		 654 }
655
656 if (bo->is_primary) {
657 DRM_DEBUG_KMS("setting surface_id to 0 for primary surface %d on crtc %d\n", bo->surface_id, qcrtc->index);
07f8d9bd
DA		 658 surf_id = 0;
659 } else {
660 surf_id = bo->surface_id;
f64122c1
DA		 661 }
662
663 if (old_bo && old_bo != bo) {
664 old_bo->is_primary = false;
665 ret = qxl_bo_reserve(old_bo, false);
666 qxl_bo_unpin(old_bo);
667 qxl_bo_unreserve(old_bo);
668 }
669
07f8d9bd
DA		 670 qxl_monitors_config_set(qdev, qcrtc->index, x, y,
671 mode->hdisplay,
672 mode->vdisplay, surf_id);
f64122c1
DA		 673 return 0;
674}
675
676static void qxl_crtc_prepare(struct drm_crtc *crtc)
677{
678 DRM_DEBUG("current: %dx%d+%d+%d (%d).\n",
679 crtc->mode.hdisplay, crtc->mode.vdisplay,
680 crtc->x, crtc->y, crtc->enabled);
681}
682
683static void qxl_crtc_commit(struct drm_crtc *crtc)
684{
685 DRM_DEBUG("\n");
686}
687
07f8d9bd
DA		 688static void qxl_crtc_disable(struct drm_crtc *crtc)
689{
690 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
691 struct drm_device *dev = crtc->dev;
692 struct qxl_device *qdev = dev->dev_private;
f4510a27
MR		 693 if (crtc->primary->fb) {
694 struct qxl_framebuffer *qfb = to_qxl_framebuffer(crtc->primary->fb);
07f8d9bd
DA		 695 struct qxl_bo *bo = gem_to_qxl_bo(qfb->obj);
696 int ret;
697 ret = qxl_bo_reserve(bo, false);
698 qxl_bo_unpin(bo);
699 qxl_bo_unreserve(bo);
f4510a27 700 crtc->primary->fb = NULL;
07f8d9bd
DA		 701 }
702
703 qxl_monitors_config_set(qdev, qcrtc->index, 0, 0, 0, 0, 0);
704
705 qxl_send_monitors_config(qdev);
706}
707
f64122c1
DA		 708static const struct drm_crtc_helper_funcs qxl_crtc_helper_funcs = {
709 .dpms = qxl_crtc_dpms,
07f8d9bd 710 .disable = qxl_crtc_disable,
f64122c1
DA		 711 .mode_fixup = qxl_crtc_mode_fixup,
712 .mode_set = qxl_crtc_mode_set,
713 .prepare = qxl_crtc_prepare,
714 .commit = qxl_crtc_commit,
f64122c1
DA		 715};
716
07f8d9bd 717static int qdev_crtc_init(struct drm_device *dev, int crtc_id)
f64122c1
DA		 718{
719 struct qxl_crtc *qxl_crtc;
720
721 qxl_crtc = kzalloc(sizeof(struct qxl_crtc), GFP_KERNEL);
722 if (!qxl_crtc)
723 return -ENOMEM;
724
725 drm_crtc_init(dev, &qxl_crtc->base, &qxl_crtc_funcs);
07f8d9bd 726 qxl_crtc->index = crtc_id;
f64122c1
DA		 727 drm_mode_crtc_set_gamma_size(&qxl_crtc->base, 256);
728 drm_crtc_helper_add(&qxl_crtc->base, &qxl_crtc_helper_funcs);
729 return 0;
730}
731
732static void qxl_enc_dpms(struct drm_encoder *encoder, int mode)
733{
734 DRM_DEBUG("\n");
735}
736
737static bool qxl_enc_mode_fixup(struct drm_encoder *encoder,
738 const struct drm_display_mode *mode,
739 struct drm_display_mode *adjusted_mode)
740{
741 DRM_DEBUG("\n");
742 return true;
743}
744
745static void qxl_enc_prepare(struct drm_encoder *encoder)
746{
747 DRM_DEBUG("\n");
748}
749
750static void qxl_write_monitors_config_for_encoder(struct qxl_device *qdev,
751 struct drm_encoder *encoder)
752{
753 int i;
07f8d9bd 754 struct qxl_output *output = drm_encoder_to_qxl_output(encoder);
f64122c1
DA		 755 struct qxl_head *head;
756 struct drm_display_mode *mode;
757
758 BUG_ON(!encoder);
759 /* TODO: ugly, do better */
07f8d9bd 760 i = output->index;
f64122c1
DA		 761 if (!qdev->monitors_config ||
762 qdev->monitors_config->max_allowed <= i) {
763 DRM_ERROR(
764 "head number too large or missing monitors config: %p, %d",
765 qdev->monitors_config,
766 qdev->monitors_config ?
767 qdev->monitors_config->max_allowed : -1);
768 return;
769 }
770 if (!encoder->crtc) {
771 DRM_ERROR("missing crtc on encoder %p\n", encoder);
772 return;
773 }
774 if (i != 0)
775 DRM_DEBUG("missing for multiple monitors: no head holes\n");
776 head = &qdev->monitors_config->heads[i];
777 head->id = i;
f64122c1
DA		 778 if (encoder->crtc->enabled) {
779 mode = &encoder->crtc->mode;
780 head->width = mode->hdisplay;
781 head->height = mode->vdisplay;
782 head->x = encoder->crtc->x;
783 head->y = encoder->crtc->y;
784 if (qdev->monitors_config->count < i + 1)
785 qdev->monitors_config->count = i + 1;
786 } else {
787 head->width = 0;
788 head->height = 0;
789 head->x = 0;
790 head->y = 0;
791 }
07f8d9bd
DA		 792 DRM_DEBUG_KMS("setting head %d to +%d+%d %dx%d out of %d\n",
793 i, head->x, head->y, head->width, head->height, qdev->monitors_config->count);
f64122c1
DA		 794 head->flags = 0;
795 /* TODO - somewhere else to call this for multiple monitors
796 * (config_commit?) */
797 qxl_send_monitors_config(qdev);
798}
799
800static void qxl_enc_commit(struct drm_encoder *encoder)
801{
802 struct qxl_device *qdev = encoder->dev->dev_private;
803
804 qxl_write_monitors_config_for_encoder(qdev, encoder);
805 DRM_DEBUG("\n");
806}
807
808static void qxl_enc_mode_set(struct drm_encoder *encoder,
809 struct drm_display_mode *mode,
810 struct drm_display_mode *adjusted_mode)
811{
812 DRM_DEBUG("\n");
813}
814
815static int qxl_conn_get_modes(struct drm_connector *connector)
816{
817 int ret = 0;
818 struct qxl_device *qdev = connector->dev->dev_private;
b0807423
MAL		 819 unsigned pwidth = 1024;
820 unsigned pheight = 768;
f64122c1
DA		 821
822 DRM_DEBUG_KMS("monitors_config=%p\n", qdev->monitors_config);
823 /* TODO: what should we do here? only show the configured modes for the
824 * device, or allow the full list, or both? */
825 if (qdev->monitors_config && qdev->monitors_config->count) {
b0807423 826 ret = qxl_add_monitors_config_modes(connector, &pwidth, &pheight);
f64122c1
DA		 827 if (ret < 0)
828 return ret;
829 }
b0807423 830 ret += qxl_add_common_modes(connector, pwidth, pheight);
f64122c1
DA		 831 return ret;
832}
833
834static int qxl_conn_mode_valid(struct drm_connector *connector,
835 struct drm_display_mode *mode)
836{
bd3e1c7c
JJ		 837 struct drm_device *ddev = connector->dev;
838 struct qxl_device *qdev = ddev->dev_private;
839 int i;
840
f64122c1
DA		 841 /* TODO: is this called for user defined modes? (xrandr --add-mode)
842 * TODO: check that the mode fits in the framebuffer */
bd3e1c7c
JJ		 843
844 if(qdev->monitors_config_width == mode->hdisplay &&
845 qdev->monitors_config_height == mode->vdisplay)
846 return MODE_OK;
847
848 for (i = 0; i < ARRAY_SIZE(common_modes); i++) {
849 if (common_modes[i].w == mode->hdisplay && common_modes[i].h == mode->vdisplay)
850 return MODE_OK;
851 }
852 return MODE_BAD;
f64122c1
DA		 853}
854
6d01f1f5 855static struct drm_encoder *qxl_best_encoder(struct drm_connector *connector)
f64122c1
DA		 856{
857 struct qxl_output *qxl_output =
858 drm_connector_to_qxl_output(connector);
859
860 DRM_DEBUG("\n");
861 return &qxl_output->enc;
862}
863
864
865static const struct drm_encoder_helper_funcs qxl_enc_helper_funcs = {
866 .dpms = qxl_enc_dpms,
867 .mode_fixup = qxl_enc_mode_fixup,
868 .prepare = qxl_enc_prepare,
869 .mode_set = qxl_enc_mode_set,
870 .commit = qxl_enc_commit,
871};
872
873static const struct drm_connector_helper_funcs qxl_connector_helper_funcs = {
874 .get_modes = qxl_conn_get_modes,
875 .mode_valid = qxl_conn_mode_valid,
876 .best_encoder = qxl_best_encoder,
877};
878
879static void qxl_conn_save(struct drm_connector *connector)
880{
881 DRM_DEBUG("\n");
882}
883
884static void qxl_conn_restore(struct drm_connector *connector)
885{
886 DRM_DEBUG("\n");
887}
888
889static enum drm_connector_status qxl_conn_detect(
890 struct drm_connector *connector,
891 bool force)
892{
893 struct qxl_output *output =
894 drm_connector_to_qxl_output(connector);
895 struct drm_device *ddev = connector->dev;
896 struct qxl_device *qdev = ddev->dev_private;
69e5d3f8 897 bool connected = false;
f64122c1
DA		 898
899 /* The first monitor is always connected */
69e5d3f8
DA		 900 if (!qdev->client_monitors_config) {
901 if (output->index == 0)
902 connected = true;
903 } else
904 connected = qdev->client_monitors_config->count > output->index &&
905 qxl_head_enabled(&qdev->client_monitors_config->heads[output->index]);
f64122c1 906
5cab51cb
MAL		 907 DRM_DEBUG("#%d connected: %d\n", output->index, connected);
908 if (!connected)
909 qxl_monitors_config_set(qdev, output->index, 0, 0, 0, 0, 0);
910
f64122c1
DA		 911 return connected ? connector_status_connected
912 : connector_status_disconnected;
913}
914
915static int qxl_conn_set_property(struct drm_connector *connector,
916 struct drm_property *property,
917 uint64_t value)
918{
919 DRM_DEBUG("\n");
920 return 0;
921}
922
923static void qxl_conn_destroy(struct drm_connector *connector)
924{
925 struct qxl_output *qxl_output =
926 drm_connector_to_qxl_output(connector);
927
34ea3d38 928 drm_connector_unregister(connector);
f64122c1
DA		 929 drm_connector_cleanup(connector);
930 kfree(qxl_output);
931}
932
933static const struct drm_connector_funcs qxl_connector_funcs = {
934 .dpms = drm_helper_connector_dpms,
935 .save = qxl_conn_save,
936 .restore = qxl_conn_restore,
937 .detect = qxl_conn_detect,
b87577b7 938 .fill_modes = drm_helper_probe_single_connector_modes_nomerge,
f64122c1
DA		 939 .set_property = qxl_conn_set_property,
940 .destroy = qxl_conn_destroy,
941};
942
943static void qxl_enc_destroy(struct drm_encoder *encoder)
944{
945 drm_encoder_cleanup(encoder);
946}
947
948static const struct drm_encoder_funcs qxl_enc_funcs = {
949 .destroy = qxl_enc_destroy,
950};
951
4695b039
DA		 952static int qxl_mode_create_hotplug_mode_update_property(struct qxl_device *qdev)
953{
954 if (qdev->hotplug_mode_update_property)
955 return 0;
956
957 qdev->hotplug_mode_update_property =
958 drm_property_create_range(qdev->ddev, DRM_MODE_PROP_IMMUTABLE,
959 "hotplug_mode_update", 0, 1);
960
961 return 0;
962}
963
6d01f1f5 964static int qdev_output_init(struct drm_device *dev, int num_output)
f64122c1 965{
4695b039 966 struct qxl_device *qdev = dev->dev_private;
f64122c1
DA		 967 struct qxl_output *qxl_output;
968 struct drm_connector *connector;
969 struct drm_encoder *encoder;
970
971 qxl_output = kzalloc(sizeof(struct qxl_output), GFP_KERNEL);
972 if (!qxl_output)
973 return -ENOMEM;
974
975 qxl_output->index = num_output;
976
977 connector = &qxl_output->base;
978 encoder = &qxl_output->enc;
979 drm_connector_init(dev, &qxl_output->base,
980 &qxl_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL);
981
982 drm_encoder_init(dev, &qxl_output->enc, &qxl_enc_funcs,
983 DRM_MODE_ENCODER_VIRTUAL);
984
5ff91e44
DA		 985 /* we get HPD via client monitors config */
986 connector->polled = DRM_CONNECTOR_POLL_HPD;
f64122c1
DA		 987 encoder->possible_crtcs = 1 << num_output;
988 drm_mode_connector_attach_encoder(&qxl_output->base,
989 &qxl_output->enc);
990 drm_encoder_helper_add(encoder, &qxl_enc_helper_funcs);
991 drm_connector_helper_add(connector, &qxl_connector_helper_funcs);
992
4695b039
DA		 993 drm_object_attach_property(&connector->base,
994 qdev->hotplug_mode_update_property, 0);
7dea0941
DA		 995 drm_object_attach_property(&connector->base,
996 dev->mode_config.suggested_x_property, 0);
997 drm_object_attach_property(&connector->base,
998 dev->mode_config.suggested_y_property, 0);
34ea3d38 999 drm_connector_register(connector);
f64122c1
DA		 1000 return 0;
1001}
1002
1003static struct drm_framebuffer *
1004qxl_user_framebuffer_create(struct drm_device *dev,
1005 struct drm_file *file_priv,
1006 struct drm_mode_fb_cmd2 *mode_cmd)
1007{
1008 struct drm_gem_object *obj;
1009 struct qxl_framebuffer *qxl_fb;
f64122c1
DA		 1010 int ret;
1011
1012 obj = drm_gem_object_lookup(dev, file_priv, mode_cmd->handles[0]);
1013
1014 qxl_fb = kzalloc(sizeof(*qxl_fb), GFP_KERNEL);
1015 if (qxl_fb == NULL)
1016 return NULL;
1017
1018 ret = qxl_framebuffer_init(dev, qxl_fb, mode_cmd, obj);
1019 if (ret) {
1020 kfree(qxl_fb);
1021 drm_gem_object_unreference_unlocked(obj);
1022 return NULL;
1023 }
1024
f64122c1
DA		 1025 return &qxl_fb->base;
1026}
1027
1028static const struct drm_mode_config_funcs qxl_mode_funcs = {
1029 .fb_create = qxl_user_framebuffer_create,
1030};
1031
2bd6ce84 1032int qxl_create_monitors_object(struct qxl_device *qdev)
f64122c1 1033{
f64122c1
DA		 1034 int ret;
1035 struct drm_gem_object *gobj;
07f8d9bd 1036 int max_allowed = qxl_num_crtc;
f64122c1 1037 int monitors_config_size = sizeof(struct qxl_monitors_config) +
2bd6ce84 1038 max_allowed * sizeof(struct qxl_head);
f64122c1 1039
f64122c1
DA		 1040 ret = qxl_gem_object_create(qdev, monitors_config_size, 0,
1041 QXL_GEM_DOMAIN_VRAM,
1042 false, false, NULL, &gobj);
1043 if (ret) {
1044 DRM_ERROR("%s: failed to create gem ret=%d\n", __func__, ret);
1045 return -ENOMEM;
1046 }
1047 qdev->monitors_config_bo = gem_to_qxl_bo(gobj);
2bd6ce84
DA		 1048
1049 ret = qxl_bo_reserve(qdev->monitors_config_bo, false);
1050 if (ret)
1051 return ret;
1052
1053 ret = qxl_bo_pin(qdev->monitors_config_bo, QXL_GEM_DOMAIN_VRAM, NULL);
1054 if (ret) {
1055 qxl_bo_unreserve(qdev->monitors_config_bo);
1056 return ret;
1057 }
1058
1059 qxl_bo_unreserve(qdev->monitors_config_bo);
1060
f64122c1 1061 qxl_bo_kmap(qdev->monitors_config_bo, NULL);
2bd6ce84 1062
f64122c1
DA		 1063 qdev->monitors_config = qdev->monitors_config_bo->kptr;
1064 qdev->ram_header->monitors_config =
1065 qxl_bo_physical_address(qdev, qdev->monitors_config_bo, 0);
1066
1067 memset(qdev->monitors_config, 0, monitors_config_size);
1068 qdev->monitors_config->max_allowed = max_allowed;
2bd6ce84
DA		 1069 return 0;
1070}
1071
1072int qxl_destroy_monitors_object(struct qxl_device *qdev)
1073{
1074 int ret;
1075
1076 qdev->monitors_config = NULL;
1077 qdev->ram_header->monitors_config = 0;
1078
1079 qxl_bo_kunmap(qdev->monitors_config_bo);
1080 ret = qxl_bo_reserve(qdev->monitors_config_bo, false);
1081 if (ret)
1082 return ret;
1083
1084 qxl_bo_unpin(qdev->monitors_config_bo);
1085 qxl_bo_unreserve(qdev->monitors_config_bo);
1086
1087 qxl_bo_unref(&qdev->monitors_config_bo);
1088 return 0;
1089}
1090
1091int qxl_modeset_init(struct qxl_device *qdev)
1092{
1093 int i;
1094 int ret;
1095
1096 drm_mode_config_init(qdev->ddev);
1097
1098 ret = qxl_create_monitors_object(qdev);
1099 if (ret)
1100 return ret;
f64122c1
DA		 1101
1102 qdev->ddev->mode_config.funcs = (void *)&qxl_mode_funcs;
1103
1104 /* modes will be validated against the framebuffer size */
1105 qdev->ddev->mode_config.min_width = 320;
1106 qdev->ddev->mode_config.min_height = 200;
1107 qdev->ddev->mode_config.max_width = 8192;
1108 qdev->ddev->mode_config.max_height = 8192;
1109
1110 qdev->ddev->mode_config.fb_base = qdev->vram_base;
4695b039 1111
7dea0941 1112 drm_mode_create_suggested_offset_properties(qdev->ddev);
4695b039
DA		 1113 qxl_mode_create_hotplug_mode_update_property(qdev);
1114
07f8d9bd 1115 for (i = 0 ; i < qxl_num_crtc; ++i) {
f64122c1
DA		 1116 qdev_crtc_init(qdev->ddev, i);
1117 qdev_output_init(qdev->ddev, i);
1118 }
1119
1120 qdev->mode_info.mode_config_initialized = true;
1121
1122 /* primary surface must be created by this point, to allow
1123 * issuing command queue commands and having them read by
1124 * spice server. */
1125 qxl_fbdev_init(qdev);
1126 return 0;
1127}
1128
1129void qxl_modeset_fini(struct qxl_device *qdev)
1130{
1131 qxl_fbdev_fini(qdev);
2bd6ce84
DA		 1132
1133 qxl_destroy_monitors_object(qdev);
f64122c1
DA		 1134 if (qdev->mode_info.mode_config_initialized) {
1135 drm_mode_config_cleanup(qdev->ddev);
1136 qdev->mode_info.mode_config_initialized = false;
1137 }
1138}
Linux kernel - Deliverables
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