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Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-3.0-fixes
[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 }
5ff91e44 110 drm_helper_hpd_irq_event(qdev->ddev);
f64122c1
DA		 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
8002db63 182static int
f64122c1
DA		 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);
8002db63
DA		 191 if (ret)
192 return ret;
193
194 ret = qxl_release_reserve_list(release, true);
195 if (ret) {
196 qxl_release_free(qdev, release);
197 return ret;
198 }
f64122c1
DA		 199
200 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
201 cmd->type = QXL_CURSOR_HIDE;
202 qxl_release_unmap(qdev, release, &cmd->release_info);
203
f64122c1 204 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
8002db63
DA		 205 qxl_release_fence_buffer_objects(release);
206 return 0;
f64122c1
DA		 207}
208
c0a60802
DA		 209static int qxl_crtc_cursor_set2(struct drm_crtc *crtc,
210 struct drm_file *file_priv,
211 uint32_t handle,
212 uint32_t width,
213 uint32_t height, int32_t hot_x, int32_t hot_y)
f64122c1
DA		 214{
215 struct drm_device *dev = crtc->dev;
216 struct qxl_device *qdev = dev->dev_private;
217 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
218 struct drm_gem_object *obj;
219 struct qxl_cursor *cursor;
220 struct qxl_cursor_cmd *cmd;
221 struct qxl_bo *cursor_bo, *user_bo;
222 struct qxl_release *release;
223 void *user_ptr;
224
225 int size = 64*64*4;
226 int ret = 0;
8002db63
DA		 227 if (!handle)
228 return qxl_hide_cursor(qdev);
f64122c1
DA		 229
230 obj = drm_gem_object_lookup(crtc->dev, file_priv, handle);
231 if (!obj) {
232 DRM_ERROR("cannot find cursor object\n");
233 return -ENOENT;
234 }
235
236 user_bo = gem_to_qxl_bo(obj);
237
238 ret = qxl_bo_reserve(user_bo, false);
239 if (ret)
240 goto out_unref;
241
242 ret = qxl_bo_pin(user_bo, QXL_GEM_DOMAIN_CPU, NULL);
8002db63 243 qxl_bo_unreserve(user_bo);
f64122c1 244 if (ret)
8002db63 245 goto out_unref;
f64122c1
DA		 246
247 ret = qxl_bo_kmap(user_bo, &user_ptr);
248 if (ret)
249 goto out_unpin;
250
251 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
252 QXL_RELEASE_CURSOR_CMD,
253 &release, NULL);
254 if (ret)
255 goto out_kunmap;
8002db63
DA		 256
257 ret = qxl_alloc_bo_reserved(qdev, release, sizeof(struct qxl_cursor) + size,
258 &cursor_bo);
f64122c1
DA		 259 if (ret)
260 goto out_free_release;
8002db63
DA		 261
262 ret = qxl_release_reserve_list(release, false);
f64122c1
DA		 263 if (ret)
264 goto out_free_bo;
265
8002db63
DA		 266 ret = qxl_bo_kmap(cursor_bo, (void **)&cursor);
267 if (ret)
268 goto out_backoff;
269
f64122c1
DA		 270 cursor->header.unique = 0;
271 cursor->header.type = SPICE_CURSOR_TYPE_ALPHA;
272 cursor->header.width = 64;
273 cursor->header.height = 64;
c0a60802
DA		 274 cursor->header.hot_spot_x = hot_x;
275 cursor->header.hot_spot_y = hot_y;
f64122c1
DA		 276 cursor->data_size = size;
277 cursor->chunk.next_chunk = 0;
278 cursor->chunk.prev_chunk = 0;
279 cursor->chunk.data_size = size;
280
281 memcpy(cursor->chunk.data, user_ptr, size);
282
283 qxl_bo_kunmap(cursor_bo);
284
f64122c1 285 qxl_bo_kunmap(user_bo);
f64122c1
DA		 286
287 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
288 cmd->type = QXL_CURSOR_SET;
289 cmd->u.set.position.x = qcrtc->cur_x;
290 cmd->u.set.position.y = qcrtc->cur_y;
291
292 cmd->u.set.shape = qxl_bo_physical_address(qdev, cursor_bo, 0);
f64122c1
DA		 293
294 cmd->u.set.visible = 1;
295 qxl_release_unmap(qdev, release, &cmd->release_info);
296
f64122c1 297 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
8002db63
DA		 298 qxl_release_fence_buffer_objects(release);
299
300 /* finish with the userspace bo */
301 ret = qxl_bo_reserve(user_bo, false);
302 if (!ret) {
303 qxl_bo_unpin(user_bo);
304 qxl_bo_unreserve(user_bo);
305 }
306 drm_gem_object_unreference_unlocked(obj);
f64122c1 307
f64122c1
DA		 308 qxl_bo_unref(&cursor_bo);
309
310 return ret;
8002db63
DA		 311
312out_backoff:
313 qxl_release_backoff_reserve_list(release);
f64122c1
DA		 314out_free_bo:
315 qxl_bo_unref(&cursor_bo);
316out_free_release:
f64122c1
DA		 317 qxl_release_free(qdev, release);
318out_kunmap:
319 qxl_bo_kunmap(user_bo);
320out_unpin:
321 qxl_bo_unpin(user_bo);
f64122c1
DA		 322out_unref:
323 drm_gem_object_unreference_unlocked(obj);
324 return ret;
325}
326
327static int qxl_crtc_cursor_move(struct drm_crtc *crtc,
328 int x, int y)
329{
330 struct drm_device *dev = crtc->dev;
331 struct qxl_device *qdev = dev->dev_private;
332 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
333 struct qxl_release *release;
334 struct qxl_cursor_cmd *cmd;
335 int ret;
336
337 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), QXL_RELEASE_CURSOR_CMD,
338 &release, NULL);
8002db63
DA		 339 if (ret)
340 return ret;
341
342 ret = qxl_release_reserve_list(release, true);
343 if (ret) {
344 qxl_release_free(qdev, release);
345 return ret;
346 }
f64122c1
DA		 347
348 qcrtc->cur_x = x;
349 qcrtc->cur_y = y;
350
351 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
352 cmd->type = QXL_CURSOR_MOVE;
353 cmd->u.position.x = qcrtc->cur_x;
354 cmd->u.position.y = qcrtc->cur_y;
355 qxl_release_unmap(qdev, release, &cmd->release_info);
356
f64122c1 357 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
8002db63
DA		 358 qxl_release_fence_buffer_objects(release);
359
f64122c1
DA		 360 return 0;
361}
362
363
364static const struct drm_crtc_funcs qxl_crtc_funcs = {
c0a60802 365 .cursor_set2 = qxl_crtc_cursor_set2,
f64122c1 366 .cursor_move = qxl_crtc_cursor_move,
f64122c1
DA		 367 .set_config = drm_crtc_helper_set_config,
368 .destroy = qxl_crtc_destroy,
369};
370
371static void qxl_user_framebuffer_destroy(struct drm_framebuffer *fb)
372{
373 struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb);
374
375 if (qxl_fb->obj)
376 drm_gem_object_unreference_unlocked(qxl_fb->obj);
377 drm_framebuffer_cleanup(fb);
378 kfree(qxl_fb);
379}
380
6d01f1f5
DA		 381static int qxl_framebuffer_surface_dirty(struct drm_framebuffer *fb,
382 struct drm_file *file_priv,
383 unsigned flags, unsigned color,
384 struct drm_clip_rect *clips,
385 unsigned num_clips)
f64122c1
DA		 386{
387 /* TODO: vmwgfx where this was cribbed from had locking. Why? */
388 struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb);
389 struct qxl_device *qdev = qxl_fb->base.dev->dev_private;
390 struct drm_clip_rect norect;
391 struct qxl_bo *qobj;
392 int inc = 1;
393
394 qobj = gem_to_qxl_bo(qxl_fb->obj);
b2b4465d
DA		 395 /* if we aren't primary surface ignore this */
396 if (!qobj->is_primary)
397 return 0;
398
f64122c1
DA		 399 if (!num_clips) {
400 num_clips = 1;
401 clips = &norect;
402 norect.x1 = norect.y1 = 0;
403 norect.x2 = fb->width;
404 norect.y2 = fb->height;
405 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
406 num_clips /= 2;
407 inc = 2; /* skip source rects */
408 }
409
410 qxl_draw_dirty_fb(qdev, qxl_fb, qobj, flags, color,
411 clips, num_clips, inc);
412 return 0;
413}
414
415static const struct drm_framebuffer_funcs qxl_fb_funcs = {
416 .destroy = qxl_user_framebuffer_destroy,
417 .dirty = qxl_framebuffer_surface_dirty,
418/* TODO?
419 * .create_handle = qxl_user_framebuffer_create_handle, */
420};
421
422int
423qxl_framebuffer_init(struct drm_device *dev,
424 struct qxl_framebuffer *qfb,
425 struct drm_mode_fb_cmd2 *mode_cmd,
426 struct drm_gem_object *obj)
427{
428 int ret;
429
430 qfb->obj = obj;
431 ret = drm_framebuffer_init(dev, &qfb->base, &qxl_fb_funcs);
432 if (ret) {
433 qfb->obj = NULL;
434 return ret;
435 }
436 drm_helper_mode_fill_fb_struct(&qfb->base, mode_cmd);
437 return 0;
438}
439
440static void qxl_crtc_dpms(struct drm_crtc *crtc, int mode)
441{
442}
443
444static bool qxl_crtc_mode_fixup(struct drm_crtc *crtc,
445 const struct drm_display_mode *mode,
446 struct drm_display_mode *adjusted_mode)
447{
448 struct drm_device *dev = crtc->dev;
449 struct qxl_device *qdev = dev->dev_private;
450
451 qxl_io_log(qdev, "%s: (%d,%d) => (%d,%d)\n",
452 __func__,
453 mode->hdisplay, mode->vdisplay,
454 adjusted_mode->hdisplay,
455 adjusted_mode->vdisplay);
456 return true;
457}
458
459void
460qxl_send_monitors_config(struct qxl_device *qdev)
461{
462 int i;
463
464 BUG_ON(!qdev->ram_header->monitors_config);
465
466 if (qdev->monitors_config->count == 0) {
467 qxl_io_log(qdev, "%s: 0 monitors??\n", __func__);
468 return;
469 }
470 for (i = 0 ; i < qdev->monitors_config->count ; ++i) {
471 struct qxl_head *head = &qdev->monitors_config->heads[i];
472
07f8d9bd 473 if (head->y > 8192 || head->x > 8192 ||
f64122c1
DA		 474 head->width > 8192 || head->height > 8192) {
475 DRM_ERROR("head %d wrong: %dx%d+%d+%d\n",
476 i, head->width, head->height,
477 head->x, head->y);
478 return;
479 }
480 }
481 qxl_io_monitors_config(qdev);
482}
483
07f8d9bd
DA		 484static void qxl_monitors_config_set(struct qxl_device *qdev,
485 int index,
486 unsigned x, unsigned y,
487 unsigned width, unsigned height,
488 unsigned surf_id)
f64122c1 489{
07f8d9bd
DA		 490 DRM_DEBUG_KMS("%d:%dx%d+%d+%d\n", index, width, height, x, y);
491 qdev->monitors_config->heads[index].x = x;
492 qdev->monitors_config->heads[index].y = y;
493 qdev->monitors_config->heads[index].width = width;
494 qdev->monitors_config->heads[index].height = height;
495 qdev->monitors_config->heads[index].surface_id = surf_id;
496
f64122c1
DA		 497}
498
499static int qxl_crtc_mode_set(struct drm_crtc *crtc,
500 struct drm_display_mode *mode,
501 struct drm_display_mode *adjusted_mode,
502 int x, int y,
503 struct drm_framebuffer *old_fb)
504{
505 struct drm_device *dev = crtc->dev;
506 struct qxl_device *qdev = dev->dev_private;
507 struct qxl_mode *m = (void *)mode->private;
508 struct qxl_framebuffer *qfb;
509 struct qxl_bo *bo, *old_bo = NULL;
07f8d9bd 510 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
f64122c1
DA		 511 uint32_t width, height, base_offset;
512 bool recreate_primary = false;
513 int ret;
07f8d9bd 514 int surf_id;
f64122c1
DA		 515 if (!crtc->fb) {
516 DRM_DEBUG_KMS("No FB bound\n");
517 return 0;
518 }
519
520 if (old_fb) {
521 qfb = to_qxl_framebuffer(old_fb);
522 old_bo = gem_to_qxl_bo(qfb->obj);
523 }
524 qfb = to_qxl_framebuffer(crtc->fb);
525 bo = gem_to_qxl_bo(qfb->obj);
526 if (!m)
527 /* and do we care? */
528 DRM_DEBUG("%dx%d: not a native mode\n", x, y);
529 else
530 DRM_DEBUG("%dx%d: qxl id %d\n",
531 mode->hdisplay, mode->vdisplay, m->id);
532 DRM_DEBUG("+%d+%d (%d,%d) => (%d,%d)\n",
533 x, y,
534 mode->hdisplay, mode->vdisplay,
535 adjusted_mode->hdisplay,
536 adjusted_mode->vdisplay);
537
07f8d9bd
DA		 538 if (qcrtc->index == 0)
539 recreate_primary = true;
f64122c1
DA		 540
541 width = mode->hdisplay;
542 height = mode->vdisplay;
543 base_offset = 0;
544
545 ret = qxl_bo_reserve(bo, false);
546 if (ret != 0)
547 return ret;
548 ret = qxl_bo_pin(bo, bo->type, NULL);
549 if (ret != 0) {
550 qxl_bo_unreserve(bo);
551 return -EINVAL;
552 }
553 qxl_bo_unreserve(bo);
554 if (recreate_primary) {
555 qxl_io_destroy_primary(qdev);
556 qxl_io_log(qdev,
557 "recreate primary: %dx%d (was %dx%d,%d,%d)\n",
558 width, height, bo->surf.width,
559 bo->surf.height, bo->surf.stride, bo->surf.format);
07f8d9bd 560 qxl_io_create_primary(qdev, base_offset, bo);
f64122c1 561 bo->is_primary = true;
07f8d9bd
DA		 562 surf_id = 0;
563 } else {
564 surf_id = bo->surface_id;
f64122c1
DA		 565 }
566
567 if (old_bo && old_bo != bo) {
568 old_bo->is_primary = false;
569 ret = qxl_bo_reserve(old_bo, false);
570 qxl_bo_unpin(old_bo);
571 qxl_bo_unreserve(old_bo);
572 }
573
07f8d9bd
DA		 574 qxl_monitors_config_set(qdev, qcrtc->index, x, y,
575 mode->hdisplay,
576 mode->vdisplay, surf_id);
f64122c1
DA		 577 return 0;
578}
579
580static void qxl_crtc_prepare(struct drm_crtc *crtc)
581{
582 DRM_DEBUG("current: %dx%d+%d+%d (%d).\n",
583 crtc->mode.hdisplay, crtc->mode.vdisplay,
584 crtc->x, crtc->y, crtc->enabled);
585}
586
587static void qxl_crtc_commit(struct drm_crtc *crtc)
588{
589 DRM_DEBUG("\n");
590}
591
07f8d9bd
DA		 592static void qxl_crtc_disable(struct drm_crtc *crtc)
593{
594 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
595 struct drm_device *dev = crtc->dev;
596 struct qxl_device *qdev = dev->dev_private;
597 if (crtc->fb) {
598 struct qxl_framebuffer *qfb = to_qxl_framebuffer(crtc->fb);
599 struct qxl_bo *bo = gem_to_qxl_bo(qfb->obj);
600 int ret;
601 ret = qxl_bo_reserve(bo, false);
602 qxl_bo_unpin(bo);
603 qxl_bo_unreserve(bo);
604 crtc->fb = NULL;
605 }
606
607 qxl_monitors_config_set(qdev, qcrtc->index, 0, 0, 0, 0, 0);
608
609 qxl_send_monitors_config(qdev);
610}
611
f64122c1
DA		 612static const struct drm_crtc_helper_funcs qxl_crtc_helper_funcs = {
613 .dpms = qxl_crtc_dpms,
07f8d9bd 614 .disable = qxl_crtc_disable,
f64122c1
DA		 615 .mode_fixup = qxl_crtc_mode_fixup,
616 .mode_set = qxl_crtc_mode_set,
617 .prepare = qxl_crtc_prepare,
618 .commit = qxl_crtc_commit,
f64122c1
DA		 619};
620
07f8d9bd 621static int qdev_crtc_init(struct drm_device *dev, int crtc_id)
f64122c1
DA		 622{
623 struct qxl_crtc *qxl_crtc;
624
625 qxl_crtc = kzalloc(sizeof(struct qxl_crtc), GFP_KERNEL);
626 if (!qxl_crtc)
627 return -ENOMEM;
628
629 drm_crtc_init(dev, &qxl_crtc->base, &qxl_crtc_funcs);
07f8d9bd 630 qxl_crtc->index = crtc_id;
f64122c1
DA		 631 drm_mode_crtc_set_gamma_size(&qxl_crtc->base, 256);
632 drm_crtc_helper_add(&qxl_crtc->base, &qxl_crtc_helper_funcs);
633 return 0;
634}
635
636static void qxl_enc_dpms(struct drm_encoder *encoder, int mode)
637{
638 DRM_DEBUG("\n");
639}
640
641static bool qxl_enc_mode_fixup(struct drm_encoder *encoder,
642 const struct drm_display_mode *mode,
643 struct drm_display_mode *adjusted_mode)
644{
645 DRM_DEBUG("\n");
646 return true;
647}
648
649static void qxl_enc_prepare(struct drm_encoder *encoder)
650{
651 DRM_DEBUG("\n");
652}
653
654static void qxl_write_monitors_config_for_encoder(struct qxl_device *qdev,
655 struct drm_encoder *encoder)
656{
657 int i;
07f8d9bd 658 struct qxl_output *output = drm_encoder_to_qxl_output(encoder);
f64122c1
DA		 659 struct qxl_head *head;
660 struct drm_display_mode *mode;
661
662 BUG_ON(!encoder);
663 /* TODO: ugly, do better */
07f8d9bd 664 i = output->index;
f64122c1
DA		 665 if (!qdev->monitors_config ||
666 qdev->monitors_config->max_allowed <= i) {
667 DRM_ERROR(
668 "head number too large or missing monitors config: %p, %d",
669 qdev->monitors_config,
670 qdev->monitors_config ?
671 qdev->monitors_config->max_allowed : -1);
672 return;
673 }
674 if (!encoder->crtc) {
675 DRM_ERROR("missing crtc on encoder %p\n", encoder);
676 return;
677 }
678 if (i != 0)
679 DRM_DEBUG("missing for multiple monitors: no head holes\n");
680 head = &qdev->monitors_config->heads[i];
681 head->id = i;
f64122c1
DA		 682 if (encoder->crtc->enabled) {
683 mode = &encoder->crtc->mode;
684 head->width = mode->hdisplay;
685 head->height = mode->vdisplay;
686 head->x = encoder->crtc->x;
687 head->y = encoder->crtc->y;
688 if (qdev->monitors_config->count < i + 1)
689 qdev->monitors_config->count = i + 1;
690 } else {
691 head->width = 0;
692 head->height = 0;
693 head->x = 0;
694 head->y = 0;
695 }
07f8d9bd
DA		 696 DRM_DEBUG_KMS("setting head %d to +%d+%d %dx%d out of %d\n",
697 i, head->x, head->y, head->width, head->height, qdev->monitors_config->count);
f64122c1
DA		 698 head->flags = 0;
699 /* TODO - somewhere else to call this for multiple monitors
700 * (config_commit?) */
701 qxl_send_monitors_config(qdev);
702}
703
704static void qxl_enc_commit(struct drm_encoder *encoder)
705{
706 struct qxl_device *qdev = encoder->dev->dev_private;
707
708 qxl_write_monitors_config_for_encoder(qdev, encoder);
709 DRM_DEBUG("\n");
710}
711
712static void qxl_enc_mode_set(struct drm_encoder *encoder,
713 struct drm_display_mode *mode,
714 struct drm_display_mode *adjusted_mode)
715{
716 DRM_DEBUG("\n");
717}
718
719static int qxl_conn_get_modes(struct drm_connector *connector)
720{
721 int ret = 0;
722 struct qxl_device *qdev = connector->dev->dev_private;
723
724 DRM_DEBUG_KMS("monitors_config=%p\n", qdev->monitors_config);
725 /* TODO: what should we do here? only show the configured modes for the
726 * device, or allow the full list, or both? */
727 if (qdev->monitors_config && qdev->monitors_config->count) {
728 ret = qxl_add_monitors_config_modes(connector);
729 if (ret < 0)
730 return ret;
731 }
732 ret += qxl_add_common_modes(connector);
733 return ret;
734}
735
736static int qxl_conn_mode_valid(struct drm_connector *connector,
737 struct drm_display_mode *mode)
738{
739 /* TODO: is this called for user defined modes? (xrandr --add-mode)
740 * TODO: check that the mode fits in the framebuffer */
741 DRM_DEBUG("%s: %dx%d status=%d\n", mode->name, mode->hdisplay,
742 mode->vdisplay, mode->status);
743 return MODE_OK;
744}
745
6d01f1f5 746static struct drm_encoder *qxl_best_encoder(struct drm_connector *connector)
f64122c1
DA		 747{
748 struct qxl_output *qxl_output =
749 drm_connector_to_qxl_output(connector);
750
751 DRM_DEBUG("\n");
752 return &qxl_output->enc;
753}
754
755
756static const struct drm_encoder_helper_funcs qxl_enc_helper_funcs = {
757 .dpms = qxl_enc_dpms,
758 .mode_fixup = qxl_enc_mode_fixup,
759 .prepare = qxl_enc_prepare,
760 .mode_set = qxl_enc_mode_set,
761 .commit = qxl_enc_commit,
762};
763
764static const struct drm_connector_helper_funcs qxl_connector_helper_funcs = {
765 .get_modes = qxl_conn_get_modes,
766 .mode_valid = qxl_conn_mode_valid,
767 .best_encoder = qxl_best_encoder,
768};
769
770static void qxl_conn_save(struct drm_connector *connector)
771{
772 DRM_DEBUG("\n");
773}
774
775static void qxl_conn_restore(struct drm_connector *connector)
776{
777 DRM_DEBUG("\n");
778}
779
780static enum drm_connector_status qxl_conn_detect(
781 struct drm_connector *connector,
782 bool force)
783{
784 struct qxl_output *output =
785 drm_connector_to_qxl_output(connector);
786 struct drm_device *ddev = connector->dev;
787 struct qxl_device *qdev = ddev->dev_private;
788 int connected;
789
790 /* The first monitor is always connected */
791 connected = (output->index == 0) ||
07f8d9bd
DA		 792 (qdev->client_monitors_config &&
793 qdev->client_monitors_config->count > output->index &&
794 qxl_head_enabled(&qdev->client_monitors_config->heads[output->index]));
f64122c1
DA		 795
796 DRM_DEBUG("\n");
797 return connected ? connector_status_connected
798 : connector_status_disconnected;
799}
800
801static int qxl_conn_set_property(struct drm_connector *connector,
802 struct drm_property *property,
803 uint64_t value)
804{
805 DRM_DEBUG("\n");
806 return 0;
807}
808
809static void qxl_conn_destroy(struct drm_connector *connector)
810{
811 struct qxl_output *qxl_output =
812 drm_connector_to_qxl_output(connector);
813
814 drm_sysfs_connector_remove(connector);
815 drm_connector_cleanup(connector);
816 kfree(qxl_output);
817}
818
819static const struct drm_connector_funcs qxl_connector_funcs = {
820 .dpms = drm_helper_connector_dpms,
821 .save = qxl_conn_save,
822 .restore = qxl_conn_restore,
823 .detect = qxl_conn_detect,
824 .fill_modes = drm_helper_probe_single_connector_modes,
825 .set_property = qxl_conn_set_property,
826 .destroy = qxl_conn_destroy,
827};
828
829static void qxl_enc_destroy(struct drm_encoder *encoder)
830{
831 drm_encoder_cleanup(encoder);
832}
833
834static const struct drm_encoder_funcs qxl_enc_funcs = {
835 .destroy = qxl_enc_destroy,
836};
837
6d01f1f5 838static int qdev_output_init(struct drm_device *dev, int num_output)
f64122c1
DA		 839{
840 struct qxl_output *qxl_output;
841 struct drm_connector *connector;
842 struct drm_encoder *encoder;
843
844 qxl_output = kzalloc(sizeof(struct qxl_output), GFP_KERNEL);
845 if (!qxl_output)
846 return -ENOMEM;
847
848 qxl_output->index = num_output;
849
850 connector = &qxl_output->base;
851 encoder = &qxl_output->enc;
852 drm_connector_init(dev, &qxl_output->base,
853 &qxl_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL);
854
855 drm_encoder_init(dev, &qxl_output->enc, &qxl_enc_funcs,
856 DRM_MODE_ENCODER_VIRTUAL);
857
5ff91e44
DA		 858 /* we get HPD via client monitors config */
859 connector->polled = DRM_CONNECTOR_POLL_HPD;
f64122c1
DA		 860 encoder->possible_crtcs = 1 << num_output;
861 drm_mode_connector_attach_encoder(&qxl_output->base,
862 &qxl_output->enc);
863 drm_encoder_helper_add(encoder, &qxl_enc_helper_funcs);
864 drm_connector_helper_add(connector, &qxl_connector_helper_funcs);
865
866 drm_sysfs_connector_add(connector);
867 return 0;
868}
869
870static struct drm_framebuffer *
871qxl_user_framebuffer_create(struct drm_device *dev,
872 struct drm_file *file_priv,
873 struct drm_mode_fb_cmd2 *mode_cmd)
874{
875 struct drm_gem_object *obj;
876 struct qxl_framebuffer *qxl_fb;
f64122c1
DA		 877 int ret;
878
879 obj = drm_gem_object_lookup(dev, file_priv, mode_cmd->handles[0]);
880
881 qxl_fb = kzalloc(sizeof(*qxl_fb), GFP_KERNEL);
882 if (qxl_fb == NULL)
883 return NULL;
884
885 ret = qxl_framebuffer_init(dev, qxl_fb, mode_cmd, obj);
886 if (ret) {
887 kfree(qxl_fb);
888 drm_gem_object_unreference_unlocked(obj);
889 return NULL;
890 }
891
f64122c1
DA		 892 return &qxl_fb->base;
893}
894
895static const struct drm_mode_config_funcs qxl_mode_funcs = {
896 .fb_create = qxl_user_framebuffer_create,
897};
898
2bd6ce84 899int qxl_create_monitors_object(struct qxl_device *qdev)
f64122c1 900{
f64122c1
DA		 901 int ret;
902 struct drm_gem_object *gobj;
07f8d9bd 903 int max_allowed = qxl_num_crtc;
f64122c1 904 int monitors_config_size = sizeof(struct qxl_monitors_config) +
2bd6ce84 905 max_allowed * sizeof(struct qxl_head);
f64122c1 906
f64122c1
DA		 907 ret = qxl_gem_object_create(qdev, monitors_config_size, 0,
908 QXL_GEM_DOMAIN_VRAM,
909 false, false, NULL, &gobj);
910 if (ret) {
911 DRM_ERROR("%s: failed to create gem ret=%d\n", __func__, ret);
912 return -ENOMEM;
913 }
914 qdev->monitors_config_bo = gem_to_qxl_bo(gobj);
2bd6ce84
DA		 915
916 ret = qxl_bo_reserve(qdev->monitors_config_bo, false);
917 if (ret)
918 return ret;
919
920 ret = qxl_bo_pin(qdev->monitors_config_bo, QXL_GEM_DOMAIN_VRAM, NULL);
921 if (ret) {
922 qxl_bo_unreserve(qdev->monitors_config_bo);
923 return ret;
924 }
925
926 qxl_bo_unreserve(qdev->monitors_config_bo);
927
f64122c1 928 qxl_bo_kmap(qdev->monitors_config_bo, NULL);
2bd6ce84 929
f64122c1
DA		 930 qdev->monitors_config = qdev->monitors_config_bo->kptr;
931 qdev->ram_header->monitors_config =
932 qxl_bo_physical_address(qdev, qdev->monitors_config_bo, 0);
933
934 memset(qdev->monitors_config, 0, monitors_config_size);
935 qdev->monitors_config->max_allowed = max_allowed;
2bd6ce84
DA		 936 return 0;
937}
938
939int qxl_destroy_monitors_object(struct qxl_device *qdev)
940{
941 int ret;
942
943 qdev->monitors_config = NULL;
944 qdev->ram_header->monitors_config = 0;
945
946 qxl_bo_kunmap(qdev->monitors_config_bo);
947 ret = qxl_bo_reserve(qdev->monitors_config_bo, false);
948 if (ret)
949 return ret;
950
951 qxl_bo_unpin(qdev->monitors_config_bo);
952 qxl_bo_unreserve(qdev->monitors_config_bo);
953
954 qxl_bo_unref(&qdev->monitors_config_bo);
955 return 0;
956}
957
958int qxl_modeset_init(struct qxl_device *qdev)
959{
960 int i;
961 int ret;
962
963 drm_mode_config_init(qdev->ddev);
964
965 ret = qxl_create_monitors_object(qdev);
966 if (ret)
967 return ret;
f64122c1
DA		 968
969 qdev->ddev->mode_config.funcs = (void *)&qxl_mode_funcs;
970
971 /* modes will be validated against the framebuffer size */
972 qdev->ddev->mode_config.min_width = 320;
973 qdev->ddev->mode_config.min_height = 200;
974 qdev->ddev->mode_config.max_width = 8192;
975 qdev->ddev->mode_config.max_height = 8192;
976
977 qdev->ddev->mode_config.fb_base = qdev->vram_base;
07f8d9bd 978 for (i = 0 ; i < qxl_num_crtc; ++i) {
f64122c1
DA		 979 qdev_crtc_init(qdev->ddev, i);
980 qdev_output_init(qdev->ddev, i);
981 }
982
983 qdev->mode_info.mode_config_initialized = true;
984
985 /* primary surface must be created by this point, to allow
986 * issuing command queue commands and having them read by
987 * spice server. */
988 qxl_fbdev_init(qdev);
989 return 0;
990}
991
992void qxl_modeset_fini(struct qxl_device *qdev)
993{
994 qxl_fbdev_fini(qdev);
2bd6ce84
DA		 995
996 qxl_destroy_monitors_object(qdev);
f64122c1
DA		 997 if (qdev->mode_info.mode_config_initialized) {
998 drm_mode_config_cleanup(qdev->ddev);
999 qdev->mode_info.mode_config_initialized = false;
1000 }
1001}
Linux kernel - Deliverables
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