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qxl: add suspend/resume/hibernate support.
[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
27#include "linux/crc32.h"
28
29#include "qxl_drv.h"
30#include "qxl_object.h"
31#include "drm_crtc_helper.h"
32
07f8d9bd
DA		 33static bool qxl_head_enabled(struct qxl_head *head)
34{
35 return head->width && head->height;
36}
37
f64122c1
DA		 38void qxl_alloc_client_monitors_config(struct qxl_device *qdev, unsigned count)
39{
40 if (qdev->client_monitors_config &&
41 count > qdev->client_monitors_config->count) {
42 kfree(qdev->client_monitors_config);
62c8ba7c 43 qdev->client_monitors_config = NULL;
f64122c1
DA		 44 }
45 if (!qdev->client_monitors_config) {
46 qdev->client_monitors_config = kzalloc(
47 sizeof(struct qxl_monitors_config) +
48 sizeof(struct qxl_head) * count, GFP_KERNEL);
49 if (!qdev->client_monitors_config) {
50 qxl_io_log(qdev,
51 "%s: allocation failure for %u heads\n",
52 __func__, count);
53 return;
54 }
55 }
56 qdev->client_monitors_config->count = count;
57}
58
59static int qxl_display_copy_rom_client_monitors_config(struct qxl_device *qdev)
60{
61 int i;
62 int num_monitors;
63 uint32_t crc;
64
f64122c1
DA		 65 num_monitors = qdev->rom->client_monitors_config.count;
66 crc = crc32(0, (const uint8_t *)&qdev->rom->client_monitors_config,
67 sizeof(qdev->rom->client_monitors_config));
68 if (crc != qdev->rom->client_monitors_config_crc) {
69 qxl_io_log(qdev, "crc mismatch: have %X (%d) != %X\n", crc,
70 sizeof(qdev->rom->client_monitors_config),
71 qdev->rom->client_monitors_config_crc);
72 return 1;
73 }
74 if (num_monitors > qdev->monitors_config->max_allowed) {
5b8788c1
DA		 75 DRM_DEBUG_KMS("client monitors list will be truncated: %d < %d\n",
76 qdev->monitors_config->max_allowed, num_monitors);
f64122c1
DA		 77 num_monitors = qdev->monitors_config->max_allowed;
78 } else {
79 num_monitors = qdev->rom->client_monitors_config.count;
80 }
81 qxl_alloc_client_monitors_config(qdev, num_monitors);
82 /* we copy max from the client but it isn't used */
83 qdev->client_monitors_config->max_allowed =
84 qdev->monitors_config->max_allowed;
85 for (i = 0 ; i < qdev->client_monitors_config->count ; ++i) {
86 struct qxl_urect *c_rect =
87 &qdev->rom->client_monitors_config.heads[i];
88 struct qxl_head *client_head =
89 &qdev->client_monitors_config->heads[i];
07f8d9bd
DA		 90 client_head->x = c_rect->left;
91 client_head->y = c_rect->top;
92 client_head->width = c_rect->right - c_rect->left;
93 client_head->height = c_rect->bottom - c_rect->top;
94 client_head->surface_id = 0;
95 client_head->id = i;
96 client_head->flags = 0;
97 DRM_DEBUG_KMS("read %dx%d+%d+%d\n", client_head->width, client_head->height,
98 client_head->x, client_head->y);
f64122c1
DA		 99 }
100 return 0;
101}
102
103void qxl_display_read_client_monitors_config(struct qxl_device *qdev)
104{
105
106 while (qxl_display_copy_rom_client_monitors_config(qdev)) {
107 qxl_io_log(qdev, "failed crc check for client_monitors_config,"
108 " retrying\n");
109 }
f64122c1
DA		 110 drm_sysfs_hotplug_event(qdev->ddev);
111}
112
113static int qxl_add_monitors_config_modes(struct drm_connector *connector)
114{
115 struct drm_device *dev = connector->dev;
116 struct qxl_device *qdev = dev->dev_private;
117 struct qxl_output *output = drm_connector_to_qxl_output(connector);
118 int h = output->index;
119 struct drm_display_mode *mode = NULL;
120 struct qxl_head *head;
121
07f8d9bd 122 if (!qdev->client_monitors_config)
f64122c1 123 return 0;
07f8d9bd 124 head = &qdev->client_monitors_config->heads[h];
f64122c1
DA		 125
126 mode = drm_cvt_mode(dev, head->width, head->height, 60, false, false,
127 false);
128 mode->type |= DRM_MODE_TYPE_PREFERRED;
129 drm_mode_probed_add(connector, mode);
130 return 1;
131}
132
133static int qxl_add_common_modes(struct drm_connector *connector)
134{
135 struct drm_device *dev = connector->dev;
136 struct drm_display_mode *mode = NULL;
137 int i;
138 struct mode_size {
139 int w;
140 int h;
141 } common_modes[] = {
142 { 640, 480},
143 { 720, 480},
144 { 800, 600},
145 { 848, 480},
146 {1024, 768},
147 {1152, 768},
148 {1280, 720},
149 {1280, 800},
150 {1280, 854},
151 {1280, 960},
152 {1280, 1024},
153 {1440, 900},
154 {1400, 1050},
155 {1680, 1050},
156 {1600, 1200},
157 {1920, 1080},
158 {1920, 1200}
159 };
160
161 for (i = 0; i < ARRAY_SIZE(common_modes); i++) {
162 if (common_modes[i].w < 320 || common_modes[i].h < 200)
163 continue;
164
165 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h,
166 60, false, false, false);
167 if (common_modes[i].w == 1024 && common_modes[i].h == 768)
168 mode->type |= DRM_MODE_TYPE_PREFERRED;
169 drm_mode_probed_add(connector, mode);
170 }
171 return i - 1;
172}
173
f64122c1
DA		 174static void qxl_crtc_destroy(struct drm_crtc *crtc)
175{
176 struct qxl_crtc *qxl_crtc = to_qxl_crtc(crtc);
177
178 drm_crtc_cleanup(crtc);
179 kfree(qxl_crtc);
180}
181
182static void
183qxl_hide_cursor(struct qxl_device *qdev)
184{
185 struct qxl_release *release;
186 struct qxl_cursor_cmd *cmd;
187 int ret;
188
189 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), QXL_RELEASE_CURSOR_CMD,
190 &release, NULL);
191
192 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
193 cmd->type = QXL_CURSOR_HIDE;
194 qxl_release_unmap(qdev, release, &cmd->release_info);
195
196 qxl_fence_releaseable(qdev, release);
197 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
198 qxl_release_unreserve(qdev, release);
199}
200
c0a60802
DA		 201static int qxl_crtc_cursor_set2(struct drm_crtc *crtc,
202 struct drm_file *file_priv,
203 uint32_t handle,
204 uint32_t width,
205 uint32_t height, int32_t hot_x, int32_t hot_y)
f64122c1
DA		 206{
207 struct drm_device *dev = crtc->dev;
208 struct qxl_device *qdev = dev->dev_private;
209 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
210 struct drm_gem_object *obj;
211 struct qxl_cursor *cursor;
212 struct qxl_cursor_cmd *cmd;
213 struct qxl_bo *cursor_bo, *user_bo;
214 struct qxl_release *release;
215 void *user_ptr;
216
217 int size = 64*64*4;
218 int ret = 0;
219 if (!handle) {
220 qxl_hide_cursor(qdev);
221 return 0;
222 }
223
224 obj = drm_gem_object_lookup(crtc->dev, file_priv, handle);
225 if (!obj) {
226 DRM_ERROR("cannot find cursor object\n");
227 return -ENOENT;
228 }
229
230 user_bo = gem_to_qxl_bo(obj);
231
232 ret = qxl_bo_reserve(user_bo, false);
233 if (ret)
234 goto out_unref;
235
236 ret = qxl_bo_pin(user_bo, QXL_GEM_DOMAIN_CPU, NULL);
237 if (ret)
238 goto out_unreserve;
239
240 ret = qxl_bo_kmap(user_bo, &user_ptr);
241 if (ret)
242 goto out_unpin;
243
244 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
245 QXL_RELEASE_CURSOR_CMD,
246 &release, NULL);
247 if (ret)
248 goto out_kunmap;
249 ret = qxl_alloc_bo_reserved(qdev, sizeof(struct qxl_cursor) + size,
250 &cursor_bo);
251 if (ret)
252 goto out_free_release;
253 ret = qxl_bo_kmap(cursor_bo, (void **)&cursor);
254 if (ret)
255 goto out_free_bo;
256
257 cursor->header.unique = 0;
258 cursor->header.type = SPICE_CURSOR_TYPE_ALPHA;
259 cursor->header.width = 64;
260 cursor->header.height = 64;
c0a60802
DA		 261 cursor->header.hot_spot_x = hot_x;
262 cursor->header.hot_spot_y = hot_y;
f64122c1
DA		 263 cursor->data_size = size;
264 cursor->chunk.next_chunk = 0;
265 cursor->chunk.prev_chunk = 0;
266 cursor->chunk.data_size = size;
267
268 memcpy(cursor->chunk.data, user_ptr, size);
269
270 qxl_bo_kunmap(cursor_bo);
271
272 /* finish with the userspace bo */
273 qxl_bo_kunmap(user_bo);
274 qxl_bo_unpin(user_bo);
275 qxl_bo_unreserve(user_bo);
276 drm_gem_object_unreference_unlocked(obj);
277
278 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
279 cmd->type = QXL_CURSOR_SET;
280 cmd->u.set.position.x = qcrtc->cur_x;
281 cmd->u.set.position.y = qcrtc->cur_y;
282
283 cmd->u.set.shape = qxl_bo_physical_address(qdev, cursor_bo, 0);
284 qxl_release_add_res(qdev, release, cursor_bo);
285
286 cmd->u.set.visible = 1;
287 qxl_release_unmap(qdev, release, &cmd->release_info);
288
289 qxl_fence_releaseable(qdev, release);
290 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
291 qxl_release_unreserve(qdev, release);
292
293 qxl_bo_unreserve(cursor_bo);
294 qxl_bo_unref(&cursor_bo);
295
296 return ret;
297out_free_bo:
298 qxl_bo_unref(&cursor_bo);
299out_free_release:
300 qxl_release_unreserve(qdev, release);
301 qxl_release_free(qdev, release);
302out_kunmap:
303 qxl_bo_kunmap(user_bo);
304out_unpin:
305 qxl_bo_unpin(user_bo);
306out_unreserve:
307 qxl_bo_unreserve(user_bo);
308out_unref:
309 drm_gem_object_unreference_unlocked(obj);
310 return ret;
311}
312
313static int qxl_crtc_cursor_move(struct drm_crtc *crtc,
314 int x, int y)
315{
316 struct drm_device *dev = crtc->dev;
317 struct qxl_device *qdev = dev->dev_private;
318 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
319 struct qxl_release *release;
320 struct qxl_cursor_cmd *cmd;
321 int ret;
322
323 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), QXL_RELEASE_CURSOR_CMD,
324 &release, NULL);
325
326 qcrtc->cur_x = x;
327 qcrtc->cur_y = y;
328
329 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
330 cmd->type = QXL_CURSOR_MOVE;
331 cmd->u.position.x = qcrtc->cur_x;
332 cmd->u.position.y = qcrtc->cur_y;
333 qxl_release_unmap(qdev, release, &cmd->release_info);
334
335 qxl_fence_releaseable(qdev, release);
336 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
337 qxl_release_unreserve(qdev, release);
338 return 0;
339}
340
341
342static const struct drm_crtc_funcs qxl_crtc_funcs = {
c0a60802 343 .cursor_set2 = qxl_crtc_cursor_set2,
f64122c1 344 .cursor_move = qxl_crtc_cursor_move,
f64122c1
DA		 345 .set_config = drm_crtc_helper_set_config,
346 .destroy = qxl_crtc_destroy,
347};
348
349static void qxl_user_framebuffer_destroy(struct drm_framebuffer *fb)
350{
351 struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb);
352
353 if (qxl_fb->obj)
354 drm_gem_object_unreference_unlocked(qxl_fb->obj);
355 drm_framebuffer_cleanup(fb);
356 kfree(qxl_fb);
357}
358
6d01f1f5
DA		 359static int qxl_framebuffer_surface_dirty(struct drm_framebuffer *fb,
360 struct drm_file *file_priv,
361 unsigned flags, unsigned color,
362 struct drm_clip_rect *clips,
363 unsigned num_clips)
f64122c1
DA		 364{
365 /* TODO: vmwgfx where this was cribbed from had locking. Why? */
366 struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb);
367 struct qxl_device *qdev = qxl_fb->base.dev->dev_private;
368 struct drm_clip_rect norect;
369 struct qxl_bo *qobj;
370 int inc = 1;
371
372 qobj = gem_to_qxl_bo(qxl_fb->obj);
b2b4465d
DA		 373 /* if we aren't primary surface ignore this */
374 if (!qobj->is_primary)
375 return 0;
376
f64122c1
DA		 377 if (!num_clips) {
378 num_clips = 1;
379 clips = &norect;
380 norect.x1 = norect.y1 = 0;
381 norect.x2 = fb->width;
382 norect.y2 = fb->height;
383 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
384 num_clips /= 2;
385 inc = 2; /* skip source rects */
386 }
387
388 qxl_draw_dirty_fb(qdev, qxl_fb, qobj, flags, color,
389 clips, num_clips, inc);
390 return 0;
391}
392
393static const struct drm_framebuffer_funcs qxl_fb_funcs = {
394 .destroy = qxl_user_framebuffer_destroy,
395 .dirty = qxl_framebuffer_surface_dirty,
396/* TODO?
397 * .create_handle = qxl_user_framebuffer_create_handle, */
398};
399
400int
401qxl_framebuffer_init(struct drm_device *dev,
402 struct qxl_framebuffer *qfb,
403 struct drm_mode_fb_cmd2 *mode_cmd,
404 struct drm_gem_object *obj)
405{
406 int ret;
407
408 qfb->obj = obj;
409 ret = drm_framebuffer_init(dev, &qfb->base, &qxl_fb_funcs);
410 if (ret) {
411 qfb->obj = NULL;
412 return ret;
413 }
414 drm_helper_mode_fill_fb_struct(&qfb->base, mode_cmd);
415 return 0;
416}
417
418static void qxl_crtc_dpms(struct drm_crtc *crtc, int mode)
419{
420}
421
422static bool qxl_crtc_mode_fixup(struct drm_crtc *crtc,
423 const struct drm_display_mode *mode,
424 struct drm_display_mode *adjusted_mode)
425{
426 struct drm_device *dev = crtc->dev;
427 struct qxl_device *qdev = dev->dev_private;
428
429 qxl_io_log(qdev, "%s: (%d,%d) => (%d,%d)\n",
430 __func__,
431 mode->hdisplay, mode->vdisplay,
432 adjusted_mode->hdisplay,
433 adjusted_mode->vdisplay);
434 return true;
435}
436
437void
438qxl_send_monitors_config(struct qxl_device *qdev)
439{
440 int i;
441
442 BUG_ON(!qdev->ram_header->monitors_config);
443
444 if (qdev->monitors_config->count == 0) {
445 qxl_io_log(qdev, "%s: 0 monitors??\n", __func__);
446 return;
447 }
448 for (i = 0 ; i < qdev->monitors_config->count ; ++i) {
449 struct qxl_head *head = &qdev->monitors_config->heads[i];
450
07f8d9bd 451 if (head->y > 8192 || head->x > 8192 ||
f64122c1
DA		 452 head->width > 8192 || head->height > 8192) {
453 DRM_ERROR("head %d wrong: %dx%d+%d+%d\n",
454 i, head->width, head->height,
455 head->x, head->y);
456 return;
457 }
458 }
459 qxl_io_monitors_config(qdev);
460}
461
07f8d9bd
DA		 462static void qxl_monitors_config_set(struct qxl_device *qdev,
463 int index,
464 unsigned x, unsigned y,
465 unsigned width, unsigned height,
466 unsigned surf_id)
f64122c1 467{
07f8d9bd
DA		 468 DRM_DEBUG_KMS("%d:%dx%d+%d+%d\n", index, width, height, x, y);
469 qdev->monitors_config->heads[index].x = x;
470 qdev->monitors_config->heads[index].y = y;
471 qdev->monitors_config->heads[index].width = width;
472 qdev->monitors_config->heads[index].height = height;
473 qdev->monitors_config->heads[index].surface_id = surf_id;
474
f64122c1
DA		 475}
476
477static int qxl_crtc_mode_set(struct drm_crtc *crtc,
478 struct drm_display_mode *mode,
479 struct drm_display_mode *adjusted_mode,
480 int x, int y,
481 struct drm_framebuffer *old_fb)
482{
483 struct drm_device *dev = crtc->dev;
484 struct qxl_device *qdev = dev->dev_private;
485 struct qxl_mode *m = (void *)mode->private;
486 struct qxl_framebuffer *qfb;
487 struct qxl_bo *bo, *old_bo = NULL;
07f8d9bd 488 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
f64122c1
DA		 489 uint32_t width, height, base_offset;
490 bool recreate_primary = false;
491 int ret;
07f8d9bd 492 int surf_id;
f64122c1
DA		 493 if (!crtc->fb) {
494 DRM_DEBUG_KMS("No FB bound\n");
495 return 0;
496 }
497
498 if (old_fb) {
499 qfb = to_qxl_framebuffer(old_fb);
500 old_bo = gem_to_qxl_bo(qfb->obj);
501 }
502 qfb = to_qxl_framebuffer(crtc->fb);
503 bo = gem_to_qxl_bo(qfb->obj);
504 if (!m)
505 /* and do we care? */
506 DRM_DEBUG("%dx%d: not a native mode\n", x, y);
507 else
508 DRM_DEBUG("%dx%d: qxl id %d\n",
509 mode->hdisplay, mode->vdisplay, m->id);
510 DRM_DEBUG("+%d+%d (%d,%d) => (%d,%d)\n",
511 x, y,
512 mode->hdisplay, mode->vdisplay,
513 adjusted_mode->hdisplay,
514 adjusted_mode->vdisplay);
515
07f8d9bd
DA		 516 if (qcrtc->index == 0)
517 recreate_primary = true;
f64122c1
DA		 518
519 width = mode->hdisplay;
520 height = mode->vdisplay;
521 base_offset = 0;
522
523 ret = qxl_bo_reserve(bo, false);
524 if (ret != 0)
525 return ret;
526 ret = qxl_bo_pin(bo, bo->type, NULL);
527 if (ret != 0) {
528 qxl_bo_unreserve(bo);
529 return -EINVAL;
530 }
531 qxl_bo_unreserve(bo);
532 if (recreate_primary) {
533 qxl_io_destroy_primary(qdev);
534 qxl_io_log(qdev,
535 "recreate primary: %dx%d (was %dx%d,%d,%d)\n",
536 width, height, bo->surf.width,
537 bo->surf.height, bo->surf.stride, bo->surf.format);
07f8d9bd 538 qxl_io_create_primary(qdev, base_offset, bo);
f64122c1 539 bo->is_primary = true;
07f8d9bd
DA		 540 surf_id = 0;
541 } else {
542 surf_id = bo->surface_id;
f64122c1
DA		 543 }
544
545 if (old_bo && old_bo != bo) {
546 old_bo->is_primary = false;
547 ret = qxl_bo_reserve(old_bo, false);
548 qxl_bo_unpin(old_bo);
549 qxl_bo_unreserve(old_bo);
550 }
551
07f8d9bd
DA		 552 qxl_monitors_config_set(qdev, qcrtc->index, x, y,
553 mode->hdisplay,
554 mode->vdisplay, surf_id);
f64122c1
DA		 555 return 0;
556}
557
558static void qxl_crtc_prepare(struct drm_crtc *crtc)
559{
560 DRM_DEBUG("current: %dx%d+%d+%d (%d).\n",
561 crtc->mode.hdisplay, crtc->mode.vdisplay,
562 crtc->x, crtc->y, crtc->enabled);
563}
564
565static void qxl_crtc_commit(struct drm_crtc *crtc)
566{
567 DRM_DEBUG("\n");
568}
569
07f8d9bd
DA		 570static void qxl_crtc_disable(struct drm_crtc *crtc)
571{
572 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
573 struct drm_device *dev = crtc->dev;
574 struct qxl_device *qdev = dev->dev_private;
575 if (crtc->fb) {
576 struct qxl_framebuffer *qfb = to_qxl_framebuffer(crtc->fb);
577 struct qxl_bo *bo = gem_to_qxl_bo(qfb->obj);
578 int ret;
579 ret = qxl_bo_reserve(bo, false);
580 qxl_bo_unpin(bo);
581 qxl_bo_unreserve(bo);
582 crtc->fb = NULL;
583 }
584
585 qxl_monitors_config_set(qdev, qcrtc->index, 0, 0, 0, 0, 0);
586
587 qxl_send_monitors_config(qdev);
588}
589
f64122c1
DA		 590static const struct drm_crtc_helper_funcs qxl_crtc_helper_funcs = {
591 .dpms = qxl_crtc_dpms,
07f8d9bd 592 .disable = qxl_crtc_disable,
f64122c1
DA		 593 .mode_fixup = qxl_crtc_mode_fixup,
594 .mode_set = qxl_crtc_mode_set,
595 .prepare = qxl_crtc_prepare,
596 .commit = qxl_crtc_commit,
f64122c1
DA		 597};
598
07f8d9bd 599static int qdev_crtc_init(struct drm_device *dev, int crtc_id)
f64122c1
DA		 600{
601 struct qxl_crtc *qxl_crtc;
602
603 qxl_crtc = kzalloc(sizeof(struct qxl_crtc), GFP_KERNEL);
604 if (!qxl_crtc)
605 return -ENOMEM;
606
607 drm_crtc_init(dev, &qxl_crtc->base, &qxl_crtc_funcs);
07f8d9bd 608 qxl_crtc->index = crtc_id;
f64122c1
DA		 609 drm_mode_crtc_set_gamma_size(&qxl_crtc->base, 256);
610 drm_crtc_helper_add(&qxl_crtc->base, &qxl_crtc_helper_funcs);
611 return 0;
612}
613
614static void qxl_enc_dpms(struct drm_encoder *encoder, int mode)
615{
616 DRM_DEBUG("\n");
617}
618
619static bool qxl_enc_mode_fixup(struct drm_encoder *encoder,
620 const struct drm_display_mode *mode,
621 struct drm_display_mode *adjusted_mode)
622{
623 DRM_DEBUG("\n");
624 return true;
625}
626
627static void qxl_enc_prepare(struct drm_encoder *encoder)
628{
629 DRM_DEBUG("\n");
630}
631
632static void qxl_write_monitors_config_for_encoder(struct qxl_device *qdev,
633 struct drm_encoder *encoder)
634{
635 int i;
07f8d9bd 636 struct qxl_output *output = drm_encoder_to_qxl_output(encoder);
f64122c1
DA		 637 struct qxl_head *head;
638 struct drm_display_mode *mode;
639
640 BUG_ON(!encoder);
641 /* TODO: ugly, do better */
07f8d9bd 642 i = output->index;
f64122c1
DA		 643 if (!qdev->monitors_config ||
644 qdev->monitors_config->max_allowed <= i) {
645 DRM_ERROR(
646 "head number too large or missing monitors config: %p, %d",
647 qdev->monitors_config,
648 qdev->monitors_config ?
649 qdev->monitors_config->max_allowed : -1);
650 return;
651 }
652 if (!encoder->crtc) {
653 DRM_ERROR("missing crtc on encoder %p\n", encoder);
654 return;
655 }
656 if (i != 0)
657 DRM_DEBUG("missing for multiple monitors: no head holes\n");
658 head = &qdev->monitors_config->heads[i];
659 head->id = i;
f64122c1
DA		 660 if (encoder->crtc->enabled) {
661 mode = &encoder->crtc->mode;
662 head->width = mode->hdisplay;
663 head->height = mode->vdisplay;
664 head->x = encoder->crtc->x;
665 head->y = encoder->crtc->y;
666 if (qdev->monitors_config->count < i + 1)
667 qdev->monitors_config->count = i + 1;
668 } else {
669 head->width = 0;
670 head->height = 0;
671 head->x = 0;
672 head->y = 0;
673 }
07f8d9bd
DA		 674 DRM_DEBUG_KMS("setting head %d to +%d+%d %dx%d out of %d\n",
675 i, head->x, head->y, head->width, head->height, qdev->monitors_config->count);
f64122c1
DA		 676 head->flags = 0;
677 /* TODO - somewhere else to call this for multiple monitors
678 * (config_commit?) */
679 qxl_send_monitors_config(qdev);
680}
681
682static void qxl_enc_commit(struct drm_encoder *encoder)
683{
684 struct qxl_device *qdev = encoder->dev->dev_private;
685
686 qxl_write_monitors_config_for_encoder(qdev, encoder);
687 DRM_DEBUG("\n");
688}
689
690static void qxl_enc_mode_set(struct drm_encoder *encoder,
691 struct drm_display_mode *mode,
692 struct drm_display_mode *adjusted_mode)
693{
694 DRM_DEBUG("\n");
695}
696
697static int qxl_conn_get_modes(struct drm_connector *connector)
698{
699 int ret = 0;
700 struct qxl_device *qdev = connector->dev->dev_private;
701
702 DRM_DEBUG_KMS("monitors_config=%p\n", qdev->monitors_config);
703 /* TODO: what should we do here? only show the configured modes for the
704 * device, or allow the full list, or both? */
705 if (qdev->monitors_config && qdev->monitors_config->count) {
706 ret = qxl_add_monitors_config_modes(connector);
707 if (ret < 0)
708 return ret;
709 }
710 ret += qxl_add_common_modes(connector);
711 return ret;
712}
713
714static int qxl_conn_mode_valid(struct drm_connector *connector,
715 struct drm_display_mode *mode)
716{
717 /* TODO: is this called for user defined modes? (xrandr --add-mode)
718 * TODO: check that the mode fits in the framebuffer */
719 DRM_DEBUG("%s: %dx%d status=%d\n", mode->name, mode->hdisplay,
720 mode->vdisplay, mode->status);
721 return MODE_OK;
722}
723
6d01f1f5 724static struct drm_encoder *qxl_best_encoder(struct drm_connector *connector)
f64122c1
DA		 725{
726 struct qxl_output *qxl_output =
727 drm_connector_to_qxl_output(connector);
728
729 DRM_DEBUG("\n");
730 return &qxl_output->enc;
731}
732
733
734static const struct drm_encoder_helper_funcs qxl_enc_helper_funcs = {
735 .dpms = qxl_enc_dpms,
736 .mode_fixup = qxl_enc_mode_fixup,
737 .prepare = qxl_enc_prepare,
738 .mode_set = qxl_enc_mode_set,
739 .commit = qxl_enc_commit,
740};
741
742static const struct drm_connector_helper_funcs qxl_connector_helper_funcs = {
743 .get_modes = qxl_conn_get_modes,
744 .mode_valid = qxl_conn_mode_valid,
745 .best_encoder = qxl_best_encoder,
746};
747
748static void qxl_conn_save(struct drm_connector *connector)
749{
750 DRM_DEBUG("\n");
751}
752
753static void qxl_conn_restore(struct drm_connector *connector)
754{
755 DRM_DEBUG("\n");
756}
757
758static enum drm_connector_status qxl_conn_detect(
759 struct drm_connector *connector,
760 bool force)
761{
762 struct qxl_output *output =
763 drm_connector_to_qxl_output(connector);
764 struct drm_device *ddev = connector->dev;
765 struct qxl_device *qdev = ddev->dev_private;
766 int connected;
767
768 /* The first monitor is always connected */
769 connected = (output->index == 0) ||
07f8d9bd
DA		 770 (qdev->client_monitors_config &&
771 qdev->client_monitors_config->count > output->index &&
772 qxl_head_enabled(&qdev->client_monitors_config->heads[output->index]));
f64122c1
DA		 773
774 DRM_DEBUG("\n");
775 return connected ? connector_status_connected
776 : connector_status_disconnected;
777}
778
779static int qxl_conn_set_property(struct drm_connector *connector,
780 struct drm_property *property,
781 uint64_t value)
782{
783 DRM_DEBUG("\n");
784 return 0;
785}
786
787static void qxl_conn_destroy(struct drm_connector *connector)
788{
789 struct qxl_output *qxl_output =
790 drm_connector_to_qxl_output(connector);
791
792 drm_sysfs_connector_remove(connector);
793 drm_connector_cleanup(connector);
794 kfree(qxl_output);
795}
796
797static const struct drm_connector_funcs qxl_connector_funcs = {
798 .dpms = drm_helper_connector_dpms,
799 .save = qxl_conn_save,
800 .restore = qxl_conn_restore,
801 .detect = qxl_conn_detect,
802 .fill_modes = drm_helper_probe_single_connector_modes,
803 .set_property = qxl_conn_set_property,
804 .destroy = qxl_conn_destroy,
805};
806
807static void qxl_enc_destroy(struct drm_encoder *encoder)
808{
809 drm_encoder_cleanup(encoder);
810}
811
812static const struct drm_encoder_funcs qxl_enc_funcs = {
813 .destroy = qxl_enc_destroy,
814};
815
6d01f1f5 816static int qdev_output_init(struct drm_device *dev, int num_output)
f64122c1
DA		 817{
818 struct qxl_output *qxl_output;
819 struct drm_connector *connector;
820 struct drm_encoder *encoder;
821
822 qxl_output = kzalloc(sizeof(struct qxl_output), GFP_KERNEL);
823 if (!qxl_output)
824 return -ENOMEM;
825
826 qxl_output->index = num_output;
827
828 connector = &qxl_output->base;
829 encoder = &qxl_output->enc;
830 drm_connector_init(dev, &qxl_output->base,
831 &qxl_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL);
832
833 drm_encoder_init(dev, &qxl_output->enc, &qxl_enc_funcs,
834 DRM_MODE_ENCODER_VIRTUAL);
835
836 encoder->possible_crtcs = 1 << num_output;
837 drm_mode_connector_attach_encoder(&qxl_output->base,
838 &qxl_output->enc);
839 drm_encoder_helper_add(encoder, &qxl_enc_helper_funcs);
840 drm_connector_helper_add(connector, &qxl_connector_helper_funcs);
841
842 drm_sysfs_connector_add(connector);
843 return 0;
844}
845
846static struct drm_framebuffer *
847qxl_user_framebuffer_create(struct drm_device *dev,
848 struct drm_file *file_priv,
849 struct drm_mode_fb_cmd2 *mode_cmd)
850{
851 struct drm_gem_object *obj;
852 struct qxl_framebuffer *qxl_fb;
f64122c1
DA		 853 int ret;
854
855 obj = drm_gem_object_lookup(dev, file_priv, mode_cmd->handles[0]);
856
857 qxl_fb = kzalloc(sizeof(*qxl_fb), GFP_KERNEL);
858 if (qxl_fb == NULL)
859 return NULL;
860
861 ret = qxl_framebuffer_init(dev, qxl_fb, mode_cmd, obj);
862 if (ret) {
863 kfree(qxl_fb);
864 drm_gem_object_unreference_unlocked(obj);
865 return NULL;
866 }
867
f64122c1
DA		 868 return &qxl_fb->base;
869}
870
871static const struct drm_mode_config_funcs qxl_mode_funcs = {
872 .fb_create = qxl_user_framebuffer_create,
873};
874
2bd6ce84 875int qxl_create_monitors_object(struct qxl_device *qdev)
f64122c1 876{
f64122c1
DA		 877 int ret;
878 struct drm_gem_object *gobj;
07f8d9bd 879 int max_allowed = qxl_num_crtc;
f64122c1 880 int monitors_config_size = sizeof(struct qxl_monitors_config) +
2bd6ce84 881 max_allowed * sizeof(struct qxl_head);
f64122c1 882
f64122c1
DA		 883 ret = qxl_gem_object_create(qdev, monitors_config_size, 0,
884 QXL_GEM_DOMAIN_VRAM,
885 false, false, NULL, &gobj);
886 if (ret) {
887 DRM_ERROR("%s: failed to create gem ret=%d\n", __func__, ret);
888 return -ENOMEM;
889 }
890 qdev->monitors_config_bo = gem_to_qxl_bo(gobj);
2bd6ce84
DA		 891
892 ret = qxl_bo_reserve(qdev->monitors_config_bo, false);
893 if (ret)
894 return ret;
895
896 ret = qxl_bo_pin(qdev->monitors_config_bo, QXL_GEM_DOMAIN_VRAM, NULL);
897 if (ret) {
898 qxl_bo_unreserve(qdev->monitors_config_bo);
899 return ret;
900 }
901
902 qxl_bo_unreserve(qdev->monitors_config_bo);
903
f64122c1 904 qxl_bo_kmap(qdev->monitors_config_bo, NULL);
2bd6ce84 905
f64122c1
DA		 906 qdev->monitors_config = qdev->monitors_config_bo->kptr;
907 qdev->ram_header->monitors_config =
908 qxl_bo_physical_address(qdev, qdev->monitors_config_bo, 0);
909
910 memset(qdev->monitors_config, 0, monitors_config_size);
911 qdev->monitors_config->max_allowed = max_allowed;
2bd6ce84
DA		 912 return 0;
913}
914
915int qxl_destroy_monitors_object(struct qxl_device *qdev)
916{
917 int ret;
918
919 qdev->monitors_config = NULL;
920 qdev->ram_header->monitors_config = 0;
921
922 qxl_bo_kunmap(qdev->monitors_config_bo);
923 ret = qxl_bo_reserve(qdev->monitors_config_bo, false);
924 if (ret)
925 return ret;
926
927 qxl_bo_unpin(qdev->monitors_config_bo);
928 qxl_bo_unreserve(qdev->monitors_config_bo);
929
930 qxl_bo_unref(&qdev->monitors_config_bo);
931 return 0;
932}
933
934int qxl_modeset_init(struct qxl_device *qdev)
935{
936 int i;
937 int ret;
938
939 drm_mode_config_init(qdev->ddev);
940
941 ret = qxl_create_monitors_object(qdev);
942 if (ret)
943 return ret;
f64122c1
DA		 944
945 qdev->ddev->mode_config.funcs = (void *)&qxl_mode_funcs;
946
947 /* modes will be validated against the framebuffer size */
948 qdev->ddev->mode_config.min_width = 320;
949 qdev->ddev->mode_config.min_height = 200;
950 qdev->ddev->mode_config.max_width = 8192;
951 qdev->ddev->mode_config.max_height = 8192;
952
953 qdev->ddev->mode_config.fb_base = qdev->vram_base;
07f8d9bd 954 for (i = 0 ; i < qxl_num_crtc; ++i) {
f64122c1
DA		 955 qdev_crtc_init(qdev->ddev, i);
956 qdev_output_init(qdev->ddev, i);
957 }
958
959 qdev->mode_info.mode_config_initialized = true;
960
961 /* primary surface must be created by this point, to allow
962 * issuing command queue commands and having them read by
963 * spice server. */
964 qxl_fbdev_init(qdev);
965 return 0;
966}
967
968void qxl_modeset_fini(struct qxl_device *qdev)
969{
970 qxl_fbdev_fini(qdev);
2bd6ce84
DA		 971
972 qxl_destroy_monitors_object(qdev);
f64122c1
DA		 973 if (qdev->mode_info.mode_config_initialized) {
974 drm_mode_config_cleanup(qdev->ddev);
975 qdev->mode_info.mode_config_initialized = false;
976 }
977}
Linux kernel - Deliverables
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