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 #include <linux/crc32.h>
27 #include <linux/delay.h>
28 #include <linux/iosys-map.h>
29
30 #include <drm/drm_drv.h>
31 #include <drm/drm_atomic.h>
32 #include <drm/drm_atomic_helper.h>
33 #include <drm/drm_edid.h>
34 #include <drm/drm_framebuffer.h>
35 #include <drm/drm_gem_framebuffer_helper.h>
36 #include <drm/drm_plane_helper.h>
37 #include <drm/drm_print.h>
38 #include <drm/drm_probe_helper.h>
39 #include <drm/drm_simple_kms_helper.h>
40 #include <drm/drm_gem_atomic_helper.h>
41 #include <drm/drm_vblank.h>
42 #include <drm/drm_vblank_helper.h>
43
44 #include "qxl_drv.h"
45 #include "qxl_object.h"
46
qxl_head_enabled(struct qxl_head * head)47 static bool qxl_head_enabled(struct qxl_head *head)
48 {
49 return head->width && head->height;
50 }
51
qxl_alloc_client_monitors_config(struct qxl_device * qdev,unsigned int count)52 static int qxl_alloc_client_monitors_config(struct qxl_device *qdev,
53 unsigned int count)
54 {
55 if (qdev->client_monitors_config &&
56 count > qdev->client_monitors_config->count) {
57 kfree(qdev->client_monitors_config);
58 qdev->client_monitors_config = NULL;
59 }
60 if (!qdev->client_monitors_config) {
61 qdev->client_monitors_config = kzalloc_flex(*qdev->client_monitors_config,
62 heads, count);
63 if (!qdev->client_monitors_config)
64 return -ENOMEM;
65 }
66 qdev->client_monitors_config->count = count;
67 return 0;
68 }
69
70 enum {
71 MONITORS_CONFIG_MODIFIED,
72 MONITORS_CONFIG_UNCHANGED,
73 MONITORS_CONFIG_BAD_CRC,
74 MONITORS_CONFIG_ERROR,
75 };
76
qxl_display_copy_rom_client_monitors_config(struct qxl_device * qdev)77 static int qxl_display_copy_rom_client_monitors_config(struct qxl_device *qdev)
78 {
79 int i;
80 int num_monitors;
81 uint32_t crc;
82 int status = MONITORS_CONFIG_UNCHANGED;
83
84 num_monitors = qdev->rom->client_monitors_config.count;
85 crc = crc32(0, (const uint8_t *)&qdev->rom->client_monitors_config,
86 sizeof(qdev->rom->client_monitors_config));
87 if (crc != qdev->rom->client_monitors_config_crc)
88 return MONITORS_CONFIG_BAD_CRC;
89 if (!num_monitors) {
90 DRM_DEBUG_KMS("no client monitors configured\n");
91 return status;
92 }
93 if (num_monitors > qxl_num_crtc) {
94 DRM_DEBUG_KMS("client monitors list will be truncated: %d < %d\n",
95 qxl_num_crtc, num_monitors);
96 num_monitors = qxl_num_crtc;
97 } else {
98 num_monitors = qdev->rom->client_monitors_config.count;
99 }
100 if (qdev->client_monitors_config
101 && (num_monitors != qdev->client_monitors_config->count)) {
102 status = MONITORS_CONFIG_MODIFIED;
103 }
104 if (qxl_alloc_client_monitors_config(qdev, num_monitors)) {
105 status = MONITORS_CONFIG_ERROR;
106 return status;
107 }
108 /* we copy max from the client but it isn't used */
109 qdev->client_monitors_config->max_allowed = qxl_num_crtc;
110 for (i = 0 ; i < qdev->client_monitors_config->count ; ++i) {
111 struct qxl_urect *c_rect =
112 &qdev->rom->client_monitors_config.heads[i];
113 struct qxl_head *client_head =
114 &qdev->client_monitors_config->heads[i];
115 if (client_head->x != c_rect->left) {
116 client_head->x = c_rect->left;
117 status = MONITORS_CONFIG_MODIFIED;
118 }
119 if (client_head->y != c_rect->top) {
120 client_head->y = c_rect->top;
121 status = MONITORS_CONFIG_MODIFIED;
122 }
123 if (client_head->width != c_rect->right - c_rect->left) {
124 client_head->width = c_rect->right - c_rect->left;
125 status = MONITORS_CONFIG_MODIFIED;
126 }
127 if (client_head->height != c_rect->bottom - c_rect->top) {
128 client_head->height = c_rect->bottom - c_rect->top;
129 status = MONITORS_CONFIG_MODIFIED;
130 }
131 if (client_head->surface_id != 0) {
132 client_head->surface_id = 0;
133 status = MONITORS_CONFIG_MODIFIED;
134 }
135 if (client_head->id != i) {
136 client_head->id = i;
137 status = MONITORS_CONFIG_MODIFIED;
138 }
139 if (client_head->flags != 0) {
140 client_head->flags = 0;
141 status = MONITORS_CONFIG_MODIFIED;
142 }
143 DRM_DEBUG_KMS("read %dx%d+%d+%d\n", client_head->width, client_head->height,
144 client_head->x, client_head->y);
145 }
146
147 return status;
148 }
149
qxl_update_offset_props(struct qxl_device * qdev)150 static void qxl_update_offset_props(struct qxl_device *qdev)
151 {
152 struct drm_device *dev = &qdev->ddev;
153 struct drm_connector *connector;
154 struct qxl_output *output;
155 struct qxl_head *head;
156
157 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
158 output = drm_connector_to_qxl_output(connector);
159
160 head = &qdev->client_monitors_config->heads[output->index];
161
162 drm_object_property_set_value(&connector->base,
163 dev->mode_config.suggested_x_property, head->x);
164 drm_object_property_set_value(&connector->base,
165 dev->mode_config.suggested_y_property, head->y);
166 }
167 }
168
qxl_display_read_client_monitors_config(struct qxl_device * qdev)169 void qxl_display_read_client_monitors_config(struct qxl_device *qdev)
170 {
171 struct drm_device *dev = &qdev->ddev;
172 struct drm_modeset_acquire_ctx ctx;
173 int status, retries, ret;
174
175 for (retries = 0; retries < 10; retries++) {
176 status = qxl_display_copy_rom_client_monitors_config(qdev);
177 if (status != MONITORS_CONFIG_BAD_CRC)
178 break;
179 udelay(5);
180 }
181 if (status == MONITORS_CONFIG_ERROR) {
182 DRM_DEBUG_KMS("ignoring client monitors config: error");
183 return;
184 }
185 if (status == MONITORS_CONFIG_BAD_CRC) {
186 DRM_DEBUG_KMS("ignoring client monitors config: bad crc");
187 return;
188 }
189 if (status == MONITORS_CONFIG_UNCHANGED) {
190 DRM_DEBUG_KMS("ignoring client monitors config: unchanged");
191 return;
192 }
193
194 DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE, ret);
195 qxl_update_offset_props(qdev);
196 DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
197 if (!drm_helper_hpd_irq_event(dev)) {
198 /* notify that the monitor configuration changed, to
199 adjust at the arbitrary resolution */
200 drm_kms_helper_hotplug_event(dev);
201 }
202 }
203
qxl_check_mode(struct qxl_device * qdev,unsigned int width,unsigned int height)204 static int qxl_check_mode(struct qxl_device *qdev,
205 unsigned int width,
206 unsigned int height)
207 {
208 unsigned int stride;
209 unsigned int size;
210
211 if (check_mul_overflow(width, 4u, &stride))
212 return -EINVAL;
213 if (check_mul_overflow(stride, height, &size))
214 return -EINVAL;
215 if (size > qdev->vram_size)
216 return -ENOMEM;
217 return 0;
218 }
219
qxl_check_framebuffer(struct qxl_device * qdev,struct qxl_bo * bo)220 static int qxl_check_framebuffer(struct qxl_device *qdev,
221 struct qxl_bo *bo)
222 {
223 return qxl_check_mode(qdev, bo->surf.width, bo->surf.height);
224 }
225
qxl_add_mode(struct drm_connector * connector,unsigned int width,unsigned int height,bool preferred)226 static int qxl_add_mode(struct drm_connector *connector,
227 unsigned int width,
228 unsigned int height,
229 bool preferred)
230 {
231 struct drm_device *dev = connector->dev;
232 struct qxl_device *qdev = to_qxl(dev);
233 struct drm_display_mode *mode = NULL;
234 int rc;
235
236 rc = qxl_check_mode(qdev, width, height);
237 if (rc != 0)
238 return 0;
239
240 mode = drm_cvt_mode(dev, width, height, 60, false, false, false);
241 if (!mode)
242 return 0;
243
244 if (preferred)
245 mode->type |= DRM_MODE_TYPE_PREFERRED;
246 mode->hdisplay = width;
247 mode->vdisplay = height;
248 drm_mode_set_name(mode);
249 drm_mode_probed_add(connector, mode);
250 return 1;
251 }
252
qxl_add_monitors_config_modes(struct drm_connector * connector)253 static int qxl_add_monitors_config_modes(struct drm_connector *connector)
254 {
255 struct drm_device *dev = connector->dev;
256 struct qxl_device *qdev = to_qxl(dev);
257 struct qxl_output *output = drm_connector_to_qxl_output(connector);
258 int h = output->index;
259 struct qxl_head *head;
260
261 if (!qdev->monitors_config)
262 return 0;
263 if (h >= qxl_num_crtc)
264 return 0;
265 if (!qdev->client_monitors_config)
266 return 0;
267 if (h >= qdev->client_monitors_config->count)
268 return 0;
269
270 head = &qdev->client_monitors_config->heads[h];
271 DRM_DEBUG_KMS("head %d is %dx%d\n", h, head->width, head->height);
272
273 return qxl_add_mode(connector, head->width, head->height, true);
274 }
275
276 static struct mode_size {
277 int w;
278 int h;
279 } extra_modes[] = {
280 { 720, 480},
281 {1152, 768},
282 {1280, 854},
283 };
284
qxl_add_extra_modes(struct drm_connector * connector)285 static int qxl_add_extra_modes(struct drm_connector *connector)
286 {
287 int i, ret = 0;
288
289 for (i = 0; i < ARRAY_SIZE(extra_modes); i++)
290 ret += qxl_add_mode(connector,
291 extra_modes[i].w,
292 extra_modes[i].h,
293 false);
294 return ret;
295 }
296
qxl_send_monitors_config(struct qxl_device * qdev)297 static void qxl_send_monitors_config(struct qxl_device *qdev)
298 {
299 int i;
300
301 BUG_ON(!qdev->ram_header->monitors_config);
302
303 if (qdev->monitors_config->count == 0)
304 return;
305
306 for (i = 0 ; i < qdev->monitors_config->count ; ++i) {
307 struct qxl_head *head = &qdev->monitors_config->heads[i];
308
309 if (head->y > 8192 || head->x > 8192 ||
310 head->width > 8192 || head->height > 8192) {
311 DRM_ERROR("head %d wrong: %dx%d+%d+%d\n",
312 i, head->width, head->height,
313 head->x, head->y);
314 return;
315 }
316 }
317 qxl_io_monitors_config(qdev);
318 }
319
qxl_crtc_update_monitors_config(struct drm_crtc * crtc,const char * reason)320 static void qxl_crtc_update_monitors_config(struct drm_crtc *crtc,
321 const char *reason)
322 {
323 struct drm_device *dev = crtc->dev;
324 struct qxl_device *qdev = to_qxl(dev);
325 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
326 struct qxl_head head;
327 int oldcount, i = qcrtc->index;
328
329 if (!qdev->primary_bo) {
330 DRM_DEBUG_KMS("no primary surface, skip (%s)\n", reason);
331 return;
332 }
333
334 if (!qdev->monitors_config || qxl_num_crtc <= i)
335 return;
336
337 head.id = i;
338 head.flags = 0;
339 head.surface_id = 0;
340 oldcount = qdev->monitors_config->count;
341 if (crtc->state->active) {
342 struct drm_display_mode *mode = &crtc->mode;
343
344 head.width = mode->hdisplay;
345 head.height = mode->vdisplay;
346 head.x = crtc->x;
347 head.y = crtc->y;
348 if (qdev->monitors_config->count < i + 1)
349 qdev->monitors_config->count = i + 1;
350 if (qdev->primary_bo == qdev->dumb_shadow_bo)
351 head.x += qdev->dumb_heads[i].x;
352 } else if (i > 0) {
353 head.width = 0;
354 head.height = 0;
355 head.x = 0;
356 head.y = 0;
357 if (qdev->monitors_config->count == i + 1)
358 qdev->monitors_config->count = i;
359 } else {
360 DRM_DEBUG_KMS("inactive head 0, skip (%s)\n", reason);
361 return;
362 }
363
364 if (head.width == qdev->monitors_config->heads[i].width &&
365 head.height == qdev->monitors_config->heads[i].height &&
366 head.x == qdev->monitors_config->heads[i].x &&
367 head.y == qdev->monitors_config->heads[i].y &&
368 oldcount == qdev->monitors_config->count)
369 return;
370
371 DRM_DEBUG_KMS("head %d, %dx%d, at +%d+%d, %s (%s)\n",
372 i, head.width, head.height, head.x, head.y,
373 crtc->state->active ? "on" : "off", reason);
374 if (oldcount != qdev->monitors_config->count)
375 DRM_DEBUG_KMS("active heads %d -> %d (%d total)\n",
376 oldcount, qdev->monitors_config->count,
377 qxl_num_crtc);
378
379 qdev->monitors_config->heads[i] = head;
380 qdev->monitors_config->max_allowed = qxl_num_crtc;
381 qxl_send_monitors_config(qdev);
382 }
383
qxl_crtc_atomic_flush(struct drm_crtc * crtc,struct drm_atomic_state * state)384 static void qxl_crtc_atomic_flush(struct drm_crtc *crtc,
385 struct drm_atomic_state *state)
386 {
387 struct drm_device *dev = crtc->dev;
388 struct drm_crtc_state *crtc_state = drm_atomic_get_new_crtc_state(state, crtc);
389 struct drm_pending_vblank_event *event;
390
391 qxl_crtc_update_monitors_config(crtc, "flush");
392
393 spin_lock_irq(&dev->event_lock);
394
395 event = crtc_state->event;
396 crtc_state->event = NULL;
397
398 if (event) {
399 if (drm_crtc_vblank_get(crtc) == 0)
400 drm_crtc_arm_vblank_event(crtc, event);
401 else
402 drm_crtc_send_vblank_event(crtc, event);
403 }
404
405 spin_unlock_irq(&dev->event_lock);
406 }
407
qxl_crtc_destroy(struct drm_crtc * crtc)408 static void qxl_crtc_destroy(struct drm_crtc *crtc)
409 {
410 struct qxl_crtc *qxl_crtc = to_qxl_crtc(crtc);
411
412 qxl_bo_unref(&qxl_crtc->cursor_bo);
413 drm_crtc_cleanup(crtc);
414 kfree(qxl_crtc);
415 }
416
417 static const struct drm_crtc_funcs qxl_crtc_funcs = {
418 .set_config = drm_atomic_helper_set_config,
419 .destroy = qxl_crtc_destroy,
420 .page_flip = drm_atomic_helper_page_flip,
421 .reset = drm_atomic_helper_crtc_reset,
422 .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
423 .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
424 DRM_CRTC_VBLANK_TIMER_FUNCS,
425 };
426
qxl_framebuffer_surface_dirty(struct drm_framebuffer * fb,struct drm_file * file_priv,unsigned int flags,unsigned int color,struct drm_clip_rect * clips,unsigned int num_clips)427 static int qxl_framebuffer_surface_dirty(struct drm_framebuffer *fb,
428 struct drm_file *file_priv,
429 unsigned int flags, unsigned int color,
430 struct drm_clip_rect *clips,
431 unsigned int num_clips)
432 {
433 /* TODO: vmwgfx where this was cribbed from had locking. Why? */
434 struct qxl_device *qdev = to_qxl(fb->dev);
435 struct drm_clip_rect norect;
436 struct qxl_bo *qobj;
437 struct drm_modeset_acquire_ctx ctx;
438 bool is_primary;
439 int inc = 1, ret;
440
441 DRM_MODESET_LOCK_ALL_BEGIN(fb->dev, ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE, ret);
442
443 qobj = gem_to_qxl_bo(fb->obj[0]);
444 /* if we aren't primary surface ignore this */
445 is_primary = qobj->shadow ? qobj->shadow->is_primary : qobj->is_primary;
446 if (!is_primary)
447 goto out_lock_end;
448
449 if (!num_clips) {
450 num_clips = 1;
451 clips = &norect;
452 norect.x1 = norect.y1 = 0;
453 norect.x2 = fb->width;
454 norect.y2 = fb->height;
455 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
456 num_clips /= 2;
457 inc = 2; /* skip source rects */
458 }
459
460 qxl_draw_dirty_fb(qdev, fb, qobj, flags, color,
461 clips, num_clips, inc, 0);
462
463 out_lock_end:
464 DRM_MODESET_LOCK_ALL_END(fb->dev, ctx, ret);
465
466 return 0;
467 }
468
469 static const struct drm_framebuffer_funcs qxl_fb_funcs = {
470 .destroy = drm_gem_fb_destroy,
471 .dirty = qxl_framebuffer_surface_dirty,
472 .create_handle = drm_gem_fb_create_handle,
473 };
474
qxl_crtc_atomic_enable(struct drm_crtc * crtc,struct drm_atomic_state * state)475 static void qxl_crtc_atomic_enable(struct drm_crtc *crtc,
476 struct drm_atomic_state *state)
477 {
478 qxl_crtc_update_monitors_config(crtc, "enable");
479
480 drm_crtc_vblank_on(crtc);
481 }
482
qxl_crtc_atomic_disable(struct drm_crtc * crtc,struct drm_atomic_state * state)483 static void qxl_crtc_atomic_disable(struct drm_crtc *crtc,
484 struct drm_atomic_state *state)
485 {
486 drm_crtc_vblank_off(crtc);
487
488 qxl_crtc_update_monitors_config(crtc, "disable");
489 }
490
491 static const struct drm_crtc_helper_funcs qxl_crtc_helper_funcs = {
492 .atomic_flush = qxl_crtc_atomic_flush,
493 .atomic_enable = qxl_crtc_atomic_enable,
494 .atomic_disable = qxl_crtc_atomic_disable,
495 };
496
qxl_primary_atomic_check(struct drm_plane * plane,struct drm_atomic_state * state)497 static int qxl_primary_atomic_check(struct drm_plane *plane,
498 struct drm_atomic_state *state)
499 {
500 struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
501 plane);
502 struct qxl_device *qdev = to_qxl(plane->dev);
503 struct qxl_bo *bo;
504
505 if (!new_plane_state->crtc || !new_plane_state->fb)
506 return 0;
507
508 bo = gem_to_qxl_bo(new_plane_state->fb->obj[0]);
509
510 return qxl_check_framebuffer(qdev, bo);
511 }
512
qxl_primary_apply_cursor(struct qxl_device * qdev,struct drm_plane_state * plane_state)513 static int qxl_primary_apply_cursor(struct qxl_device *qdev,
514 struct drm_plane_state *plane_state)
515 {
516 struct qxl_crtc *qcrtc = to_qxl_crtc(plane_state->crtc);
517 struct qxl_cursor_cmd *cmd;
518 struct qxl_release *release;
519 int ret = 0;
520
521 if (!qcrtc->cursor_bo)
522 return 0;
523
524 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
525 QXL_RELEASE_CURSOR_CMD,
526 &release, NULL);
527 if (ret)
528 return ret;
529
530 ret = qxl_release_list_add(release, qcrtc->cursor_bo);
531 if (ret)
532 goto out_free_release;
533
534 ret = qxl_release_reserve_list(release, false);
535 if (ret)
536 goto out_free_release;
537
538 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
539 cmd->type = QXL_CURSOR_SET;
540 cmd->u.set.position.x = plane_state->crtc_x + plane_state->hotspot_x;
541 cmd->u.set.position.y = plane_state->crtc_y + plane_state->hotspot_y;
542
543 cmd->u.set.shape = qxl_bo_physical_address(qdev, qcrtc->cursor_bo, 0);
544
545 cmd->u.set.visible = 1;
546 qxl_release_unmap(qdev, release, &cmd->release_info);
547
548 qxl_release_fence_buffer_objects(release);
549 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
550
551 return ret;
552
553 out_free_release:
554 qxl_release_free(qdev, release);
555 return ret;
556 }
557
qxl_primary_move_cursor(struct qxl_device * qdev,struct drm_plane_state * plane_state)558 static int qxl_primary_move_cursor(struct qxl_device *qdev,
559 struct drm_plane_state *plane_state)
560 {
561 struct qxl_crtc *qcrtc = to_qxl_crtc(plane_state->crtc);
562 struct qxl_cursor_cmd *cmd;
563 struct qxl_release *release;
564 int ret = 0;
565
566 if (!qcrtc->cursor_bo)
567 return 0;
568
569 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
570 QXL_RELEASE_CURSOR_CMD,
571 &release, NULL);
572 if (ret)
573 return ret;
574
575 ret = qxl_release_reserve_list(release, true);
576 if (ret) {
577 qxl_release_free(qdev, release);
578 return ret;
579 }
580
581 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
582 cmd->type = QXL_CURSOR_MOVE;
583 cmd->u.position.x = plane_state->crtc_x + plane_state->hotspot_x;
584 cmd->u.position.y = plane_state->crtc_y + plane_state->hotspot_y;
585 qxl_release_unmap(qdev, release, &cmd->release_info);
586
587 qxl_release_fence_buffer_objects(release);
588 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
589 return ret;
590 }
591
qxl_create_cursor(struct qxl_device * qdev,struct qxl_bo * user_bo,int hot_x,int hot_y)592 static struct qxl_bo *qxl_create_cursor(struct qxl_device *qdev,
593 struct qxl_bo *user_bo,
594 int hot_x, int hot_y)
595 {
596 static const u32 size = 64 * 64 * 4;
597 struct qxl_bo *cursor_bo;
598 struct iosys_map cursor_map;
599 struct iosys_map user_map;
600 struct qxl_cursor cursor;
601 int ret;
602
603 if (!user_bo)
604 return NULL;
605
606 ret = qxl_bo_create(qdev, sizeof(struct qxl_cursor) + size,
607 false, true, QXL_GEM_DOMAIN_VRAM, 1,
608 NULL, &cursor_bo);
609 if (ret)
610 goto err;
611
612 ret = qxl_bo_pin_and_vmap(cursor_bo, &cursor_map);
613 if (ret)
614 goto err_unref;
615
616 ret = qxl_bo_pin_and_vmap(user_bo, &user_map);
617 if (ret)
618 goto err_unmap;
619
620 cursor.header.unique = 0;
621 cursor.header.type = SPICE_CURSOR_TYPE_ALPHA;
622 cursor.header.width = 64;
623 cursor.header.height = 64;
624 cursor.header.hot_spot_x = hot_x;
625 cursor.header.hot_spot_y = hot_y;
626 cursor.data_size = size;
627 cursor.chunk.next_chunk = 0;
628 cursor.chunk.prev_chunk = 0;
629 cursor.chunk.data_size = size;
630 if (cursor_map.is_iomem) {
631 memcpy_toio(cursor_map.vaddr_iomem,
632 &cursor, sizeof(cursor));
633 memcpy_toio(cursor_map.vaddr_iomem + sizeof(cursor),
634 user_map.vaddr, size);
635 } else {
636 memcpy(cursor_map.vaddr,
637 &cursor, sizeof(cursor));
638 memcpy(cursor_map.vaddr + sizeof(cursor),
639 user_map.vaddr, size);
640 }
641
642 qxl_bo_vunmap_and_unpin(user_bo);
643 qxl_bo_vunmap_and_unpin(cursor_bo);
644 return cursor_bo;
645
646 err_unmap:
647 qxl_bo_vunmap_and_unpin(cursor_bo);
648 err_unref:
649 qxl_bo_unpin(cursor_bo);
650 qxl_bo_unref(&cursor_bo);
651 err:
652 return NULL;
653 }
654
qxl_free_cursor(struct qxl_bo * cursor_bo)655 static void qxl_free_cursor(struct qxl_bo *cursor_bo)
656 {
657 if (!cursor_bo)
658 return;
659
660 qxl_bo_unpin(cursor_bo);
661 qxl_bo_unref(&cursor_bo);
662 }
663
qxl_primary_atomic_update(struct drm_plane * plane,struct drm_atomic_state * state)664 static void qxl_primary_atomic_update(struct drm_plane *plane,
665 struct drm_atomic_state *state)
666 {
667 struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
668 plane);
669 struct qxl_device *qdev = to_qxl(plane->dev);
670 struct qxl_bo *bo = gem_to_qxl_bo(new_state->fb->obj[0]);
671 struct qxl_bo *primary;
672 struct drm_clip_rect norect = {
673 .x1 = 0,
674 .y1 = 0,
675 .x2 = new_state->fb->width,
676 .y2 = new_state->fb->height
677 };
678 uint32_t dumb_shadow_offset = 0;
679
680 primary = bo->shadow ? bo->shadow : bo;
681
682 if (!primary->is_primary) {
683 if (qdev->primary_bo)
684 qxl_io_destroy_primary(qdev);
685 qxl_io_create_primary(qdev, primary);
686 qxl_primary_apply_cursor(qdev, plane->state);
687 }
688
689 if (bo->is_dumb)
690 dumb_shadow_offset =
691 qdev->dumb_heads[new_state->crtc->index].x;
692
693 qxl_draw_dirty_fb(qdev, new_state->fb, bo, 0, 0, &norect, 1, 1,
694 dumb_shadow_offset);
695 }
696
qxl_primary_atomic_disable(struct drm_plane * plane,struct drm_atomic_state * state)697 static void qxl_primary_atomic_disable(struct drm_plane *plane,
698 struct drm_atomic_state *state)
699 {
700 struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
701 plane);
702 struct qxl_device *qdev = to_qxl(plane->dev);
703
704 if (old_state->fb) {
705 struct qxl_bo *bo = gem_to_qxl_bo(old_state->fb->obj[0]);
706
707 if (bo->shadow)
708 bo = bo->shadow;
709 if (bo->is_primary)
710 qxl_io_destroy_primary(qdev);
711 }
712 }
713
qxl_cursor_atomic_update(struct drm_plane * plane,struct drm_atomic_state * state)714 static void qxl_cursor_atomic_update(struct drm_plane *plane,
715 struct drm_atomic_state *state)
716 {
717 struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
718 plane);
719 struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
720 plane);
721 struct qxl_device *qdev = to_qxl(plane->dev);
722 struct drm_framebuffer *fb = new_state->fb;
723
724 if (fb != old_state->fb) {
725 qxl_primary_apply_cursor(qdev, new_state);
726 } else {
727 qxl_primary_move_cursor(qdev, new_state);
728 }
729 }
730
qxl_cursor_atomic_disable(struct drm_plane * plane,struct drm_atomic_state * state)731 static void qxl_cursor_atomic_disable(struct drm_plane *plane,
732 struct drm_atomic_state *state)
733 {
734 struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
735 plane);
736 struct qxl_device *qdev = to_qxl(plane->dev);
737 struct qxl_crtc *qcrtc;
738 struct qxl_release *release;
739 struct qxl_cursor_cmd *cmd;
740 int ret;
741
742 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
743 QXL_RELEASE_CURSOR_CMD,
744 &release, NULL);
745 if (ret)
746 return;
747
748 ret = qxl_release_reserve_list(release, true);
749 if (ret) {
750 qxl_release_free(qdev, release);
751 return;
752 }
753
754 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
755 cmd->type = QXL_CURSOR_HIDE;
756 qxl_release_unmap(qdev, release, &cmd->release_info);
757
758 qxl_release_fence_buffer_objects(release);
759 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
760
761 qcrtc = to_qxl_crtc(old_state->crtc);
762 qxl_free_cursor(qcrtc->cursor_bo);
763 qcrtc->cursor_bo = NULL;
764 }
765
qxl_update_dumb_head(struct qxl_device * qdev,int index,struct qxl_bo * bo)766 static void qxl_update_dumb_head(struct qxl_device *qdev,
767 int index, struct qxl_bo *bo)
768 {
769 uint32_t width, height;
770
771 if (index >= qdev->monitors_config->max_allowed)
772 return;
773
774 if (bo && bo->is_dumb) {
775 width = bo->surf.width;
776 height = bo->surf.height;
777 } else {
778 width = 0;
779 height = 0;
780 }
781
782 if (qdev->dumb_heads[index].width == width &&
783 qdev->dumb_heads[index].height == height)
784 return;
785
786 DRM_DEBUG("#%d: %dx%d -> %dx%d\n", index,
787 qdev->dumb_heads[index].width,
788 qdev->dumb_heads[index].height,
789 width, height);
790 qdev->dumb_heads[index].width = width;
791 qdev->dumb_heads[index].height = height;
792 }
793
qxl_calc_dumb_shadow(struct qxl_device * qdev,struct qxl_surface * surf)794 static void qxl_calc_dumb_shadow(struct qxl_device *qdev,
795 struct qxl_surface *surf)
796 {
797 struct qxl_head *head;
798 int i;
799
800 memset(surf, 0, sizeof(*surf));
801 for (i = 0; i < qdev->monitors_config->max_allowed; i++) {
802 head = qdev->dumb_heads + i;
803 head->x = surf->width;
804 surf->width += head->width;
805 if (surf->height < head->height)
806 surf->height = head->height;
807 }
808 if (surf->width < 64)
809 surf->width = 64;
810 if (surf->height < 64)
811 surf->height = 64;
812 surf->format = SPICE_SURFACE_FMT_32_xRGB;
813 surf->stride = surf->width * 4;
814
815 if (!qdev->dumb_shadow_bo ||
816 qdev->dumb_shadow_bo->surf.width != surf->width ||
817 qdev->dumb_shadow_bo->surf.height != surf->height)
818 DRM_DEBUG("%dx%d\n", surf->width, surf->height);
819 }
820
qxl_prepare_shadow(struct qxl_device * qdev,struct qxl_bo * user_bo,int crtc_index)821 static void qxl_prepare_shadow(struct qxl_device *qdev, struct qxl_bo *user_bo,
822 int crtc_index)
823 {
824 struct qxl_surface surf;
825
826 qxl_update_dumb_head(qdev, crtc_index,
827 user_bo);
828 qxl_calc_dumb_shadow(qdev, &surf);
829 if (!qdev->dumb_shadow_bo ||
830 qdev->dumb_shadow_bo->surf.width != surf.width ||
831 qdev->dumb_shadow_bo->surf.height != surf.height) {
832 if (qdev->dumb_shadow_bo) {
833 qxl_bo_unpin(qdev->dumb_shadow_bo);
834 drm_gem_object_put
835 (&qdev->dumb_shadow_bo->tbo.base);
836 qdev->dumb_shadow_bo = NULL;
837 }
838 qxl_bo_create(qdev, surf.height * surf.stride,
839 true, true, QXL_GEM_DOMAIN_SURFACE, 0,
840 &surf, &qdev->dumb_shadow_bo);
841 }
842 if (user_bo->shadow != qdev->dumb_shadow_bo) {
843 if (user_bo->shadow) {
844 qxl_bo_unpin(user_bo->shadow);
845 drm_gem_object_put
846 (&user_bo->shadow->tbo.base);
847 user_bo->shadow = NULL;
848 }
849 drm_gem_object_get(&qdev->dumb_shadow_bo->tbo.base);
850 user_bo->shadow = qdev->dumb_shadow_bo;
851 qxl_bo_pin(user_bo->shadow);
852 }
853 }
854
qxl_plane_prepare_fb(struct drm_plane * plane,struct drm_plane_state * new_state)855 static int qxl_plane_prepare_fb(struct drm_plane *plane,
856 struct drm_plane_state *new_state)
857 {
858 struct qxl_device *qdev = to_qxl(plane->dev);
859 struct drm_gem_object *obj;
860 struct qxl_bo *user_bo;
861 int ret;
862
863 if (!new_state->fb)
864 return 0;
865
866 obj = new_state->fb->obj[0];
867 user_bo = gem_to_qxl_bo(obj);
868
869 if (plane->type == DRM_PLANE_TYPE_PRIMARY &&
870 user_bo->is_dumb) {
871 qxl_prepare_shadow(qdev, user_bo, new_state->crtc->index);
872 }
873
874 if (plane->type == DRM_PLANE_TYPE_CURSOR &&
875 plane->state->fb != new_state->fb) {
876 struct qxl_crtc *qcrtc = to_qxl_crtc(new_state->crtc);
877 struct qxl_bo *old_cursor_bo = qcrtc->cursor_bo;
878
879 qcrtc->cursor_bo = qxl_create_cursor(qdev, user_bo,
880 new_state->hotspot_x,
881 new_state->hotspot_y);
882 qxl_free_cursor(old_cursor_bo);
883 }
884
885 ret = qxl_bo_pin(user_bo);
886 if (ret)
887 return ret;
888
889 return drm_gem_plane_helper_prepare_fb(plane, new_state);
890 }
891
qxl_plane_cleanup_fb(struct drm_plane * plane,struct drm_plane_state * old_state)892 static void qxl_plane_cleanup_fb(struct drm_plane *plane,
893 struct drm_plane_state *old_state)
894 {
895 struct drm_gem_object *obj;
896 struct qxl_bo *user_bo;
897
898 if (!old_state->fb) {
899 /*
900 * we never executed prepare_fb, so there's nothing to
901 * unpin.
902 */
903 return;
904 }
905
906 obj = old_state->fb->obj[0];
907 user_bo = gem_to_qxl_bo(obj);
908 qxl_bo_unpin(user_bo);
909
910 if (old_state->fb != plane->state->fb && user_bo->shadow) {
911 qxl_bo_unpin(user_bo->shadow);
912 drm_gem_object_put(&user_bo->shadow->tbo.base);
913 user_bo->shadow = NULL;
914 }
915 }
916
917 static const uint32_t qxl_cursor_plane_formats[] = {
918 DRM_FORMAT_ARGB8888,
919 };
920
921 static const struct drm_plane_helper_funcs qxl_cursor_helper_funcs = {
922 .atomic_update = qxl_cursor_atomic_update,
923 .atomic_disable = qxl_cursor_atomic_disable,
924 .prepare_fb = qxl_plane_prepare_fb,
925 .cleanup_fb = qxl_plane_cleanup_fb,
926 };
927
928 static const struct drm_plane_funcs qxl_cursor_plane_funcs = {
929 .update_plane = drm_atomic_helper_update_plane,
930 .disable_plane = drm_atomic_helper_disable_plane,
931 .destroy = drm_plane_helper_destroy,
932 .reset = drm_atomic_helper_plane_reset,
933 .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
934 .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
935 };
936
937 static const uint32_t qxl_primary_plane_formats[] = {
938 DRM_FORMAT_XRGB8888,
939 DRM_FORMAT_ARGB8888,
940 };
941
942 static const struct drm_plane_helper_funcs primary_helper_funcs = {
943 .atomic_check = qxl_primary_atomic_check,
944 .atomic_update = qxl_primary_atomic_update,
945 .atomic_disable = qxl_primary_atomic_disable,
946 .prepare_fb = qxl_plane_prepare_fb,
947 .cleanup_fb = qxl_plane_cleanup_fb,
948 };
949
950 static const struct drm_plane_funcs qxl_primary_plane_funcs = {
951 .update_plane = drm_atomic_helper_update_plane,
952 .disable_plane = drm_atomic_helper_disable_plane,
953 .destroy = drm_plane_helper_destroy,
954 .reset = drm_atomic_helper_plane_reset,
955 .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
956 .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
957 };
958
qxl_create_plane(struct qxl_device * qdev,unsigned int possible_crtcs,enum drm_plane_type type)959 static struct drm_plane *qxl_create_plane(struct qxl_device *qdev,
960 unsigned int possible_crtcs,
961 enum drm_plane_type type)
962 {
963 const struct drm_plane_helper_funcs *helper_funcs = NULL;
964 struct drm_plane *plane;
965 const struct drm_plane_funcs *funcs;
966 const uint32_t *formats;
967 int num_formats;
968 int err;
969
970 if (type == DRM_PLANE_TYPE_PRIMARY) {
971 funcs = &qxl_primary_plane_funcs;
972 formats = qxl_primary_plane_formats;
973 num_formats = ARRAY_SIZE(qxl_primary_plane_formats);
974 helper_funcs = &primary_helper_funcs;
975 } else if (type == DRM_PLANE_TYPE_CURSOR) {
976 funcs = &qxl_cursor_plane_funcs;
977 formats = qxl_cursor_plane_formats;
978 helper_funcs = &qxl_cursor_helper_funcs;
979 num_formats = ARRAY_SIZE(qxl_cursor_plane_formats);
980 } else {
981 return ERR_PTR(-EINVAL);
982 }
983
984 plane = kzalloc(sizeof(*plane), GFP_KERNEL);
985 if (!plane)
986 return ERR_PTR(-ENOMEM);
987
988 err = drm_universal_plane_init(&qdev->ddev, plane, possible_crtcs,
989 funcs, formats, num_formats,
990 NULL, type, NULL);
991 if (err)
992 goto free_plane;
993
994 drm_plane_helper_add(plane, helper_funcs);
995
996 return plane;
997
998 free_plane:
999 kfree(plane);
1000 return ERR_PTR(-EINVAL);
1001 }
1002
qdev_crtc_init(struct drm_device * dev,int crtc_id)1003 static int qdev_crtc_init(struct drm_device *dev, int crtc_id)
1004 {
1005 struct qxl_crtc *qxl_crtc;
1006 struct drm_plane *primary, *cursor;
1007 struct qxl_device *qdev = to_qxl(dev);
1008 int r;
1009
1010 qxl_crtc = kzalloc_obj(struct qxl_crtc);
1011 if (!qxl_crtc)
1012 return -ENOMEM;
1013
1014 primary = qxl_create_plane(qdev, 1 << crtc_id, DRM_PLANE_TYPE_PRIMARY);
1015 if (IS_ERR(primary)) {
1016 r = -ENOMEM;
1017 goto free_mem;
1018 }
1019
1020 cursor = qxl_create_plane(qdev, 1 << crtc_id, DRM_PLANE_TYPE_CURSOR);
1021 if (IS_ERR(cursor)) {
1022 r = -ENOMEM;
1023 goto clean_primary;
1024 }
1025
1026 r = drm_crtc_init_with_planes(dev, &qxl_crtc->base, primary, cursor,
1027 &qxl_crtc_funcs, NULL);
1028 if (r)
1029 goto clean_cursor;
1030
1031 qxl_crtc->index = crtc_id;
1032 drm_crtc_helper_add(&qxl_crtc->base, &qxl_crtc_helper_funcs);
1033 return 0;
1034
1035 clean_cursor:
1036 drm_plane_cleanup(cursor);
1037 kfree(cursor);
1038 clean_primary:
1039 drm_plane_cleanup(primary);
1040 kfree(primary);
1041 free_mem:
1042 kfree(qxl_crtc);
1043 return r;
1044 }
1045
qxl_conn_get_modes(struct drm_connector * connector)1046 static int qxl_conn_get_modes(struct drm_connector *connector)
1047 {
1048 struct drm_device *dev = connector->dev;
1049 struct qxl_device *qdev = to_qxl(dev);
1050 struct qxl_output *output = drm_connector_to_qxl_output(connector);
1051 unsigned int pwidth = 1024;
1052 unsigned int pheight = 768;
1053 int ret = 0;
1054
1055 if (qdev->client_monitors_config) {
1056 struct qxl_head *head;
1057 head = &qdev->client_monitors_config->heads[output->index];
1058 if (head->width)
1059 pwidth = head->width;
1060 if (head->height)
1061 pheight = head->height;
1062 }
1063
1064 ret += drm_add_modes_noedid(connector, 8192, 8192);
1065 ret += qxl_add_extra_modes(connector);
1066 ret += qxl_add_monitors_config_modes(connector);
1067 drm_set_preferred_mode(connector, pwidth, pheight);
1068 return ret;
1069 }
1070
qxl_conn_mode_valid(struct drm_connector * connector,const struct drm_display_mode * mode)1071 static enum drm_mode_status qxl_conn_mode_valid(struct drm_connector *connector,
1072 const struct drm_display_mode *mode)
1073 {
1074 struct drm_device *ddev = connector->dev;
1075 struct qxl_device *qdev = to_qxl(ddev);
1076
1077 if (qxl_check_mode(qdev, mode->hdisplay, mode->vdisplay) != 0)
1078 return MODE_BAD;
1079
1080 return MODE_OK;
1081 }
1082
qxl_best_encoder(struct drm_connector * connector)1083 static struct drm_encoder *qxl_best_encoder(struct drm_connector *connector)
1084 {
1085 struct qxl_output *qxl_output =
1086 drm_connector_to_qxl_output(connector);
1087
1088 DRM_DEBUG("\n");
1089 return &qxl_output->enc;
1090 }
1091
1092 static const struct drm_connector_helper_funcs qxl_connector_helper_funcs = {
1093 .get_modes = qxl_conn_get_modes,
1094 .mode_valid = qxl_conn_mode_valid,
1095 .best_encoder = qxl_best_encoder,
1096 };
1097
qxl_conn_detect(struct drm_connector * connector,bool force)1098 static enum drm_connector_status qxl_conn_detect(
1099 struct drm_connector *connector,
1100 bool force)
1101 {
1102 struct qxl_output *output =
1103 drm_connector_to_qxl_output(connector);
1104 struct drm_device *ddev = connector->dev;
1105 struct qxl_device *qdev = to_qxl(ddev);
1106 bool connected = false;
1107
1108 /* The first monitor is always connected */
1109 if (!qdev->client_monitors_config) {
1110 if (output->index == 0)
1111 connected = true;
1112 } else
1113 connected = qdev->client_monitors_config->count > output->index &&
1114 qxl_head_enabled(&qdev->client_monitors_config->heads[output->index]);
1115
1116 DRM_DEBUG("#%d connected: %d\n", output->index, connected);
1117
1118 return connected ? connector_status_connected
1119 : connector_status_disconnected;
1120 }
1121
qxl_conn_destroy(struct drm_connector * connector)1122 static void qxl_conn_destroy(struct drm_connector *connector)
1123 {
1124 struct qxl_output *qxl_output =
1125 drm_connector_to_qxl_output(connector);
1126
1127 drm_connector_unregister(connector);
1128 drm_connector_cleanup(connector);
1129 kfree(qxl_output);
1130 }
1131
1132 static const struct drm_connector_funcs qxl_connector_funcs = {
1133 .detect = qxl_conn_detect,
1134 .fill_modes = drm_helper_probe_single_connector_modes,
1135 .destroy = qxl_conn_destroy,
1136 .reset = drm_atomic_helper_connector_reset,
1137 .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
1138 .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
1139 };
1140
qxl_mode_create_hotplug_mode_update_property(struct qxl_device * qdev)1141 static int qxl_mode_create_hotplug_mode_update_property(struct qxl_device *qdev)
1142 {
1143 if (qdev->hotplug_mode_update_property)
1144 return 0;
1145
1146 qdev->hotplug_mode_update_property =
1147 drm_property_create_range(&qdev->ddev, DRM_MODE_PROP_IMMUTABLE,
1148 "hotplug_mode_update", 0, 1);
1149
1150 return 0;
1151 }
1152
qdev_output_init(struct drm_device * dev,int num_output)1153 static int qdev_output_init(struct drm_device *dev, int num_output)
1154 {
1155 struct qxl_device *qdev = to_qxl(dev);
1156 struct qxl_output *qxl_output;
1157 struct drm_connector *connector;
1158 struct drm_encoder *encoder;
1159 int ret;
1160
1161 qxl_output = kzalloc_obj(struct qxl_output);
1162 if (!qxl_output)
1163 return -ENOMEM;
1164
1165 qxl_output->index = num_output;
1166
1167 connector = &qxl_output->base;
1168 encoder = &qxl_output->enc;
1169 drm_connector_init(dev, &qxl_output->base,
1170 &qxl_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL);
1171
1172 ret = drm_simple_encoder_init(dev, &qxl_output->enc,
1173 DRM_MODE_ENCODER_VIRTUAL);
1174 if (ret) {
1175 drm_err(dev, "drm_simple_encoder_init() failed, error %d\n",
1176 ret);
1177 goto err_drm_connector_cleanup;
1178 }
1179
1180 /* we get HPD via client monitors config */
1181 connector->polled = DRM_CONNECTOR_POLL_HPD;
1182 encoder->possible_crtcs = 1 << num_output;
1183 drm_connector_attach_encoder(&qxl_output->base,
1184 &qxl_output->enc);
1185 drm_connector_helper_add(connector, &qxl_connector_helper_funcs);
1186
1187 drm_object_attach_property(&connector->base,
1188 qdev->hotplug_mode_update_property, 0);
1189 drm_object_attach_property(&connector->base,
1190 dev->mode_config.suggested_x_property, 0);
1191 drm_object_attach_property(&connector->base,
1192 dev->mode_config.suggested_y_property, 0);
1193 return 0;
1194
1195 err_drm_connector_cleanup:
1196 drm_connector_cleanup(&qxl_output->base);
1197 kfree(qxl_output);
1198 return ret;
1199 }
1200
1201 static struct drm_framebuffer *
qxl_user_framebuffer_create(struct drm_device * dev,struct drm_file * file_priv,const struct drm_format_info * info,const struct drm_mode_fb_cmd2 * mode_cmd)1202 qxl_user_framebuffer_create(struct drm_device *dev,
1203 struct drm_file *file_priv,
1204 const struct drm_format_info *info,
1205 const struct drm_mode_fb_cmd2 *mode_cmd)
1206 {
1207 return drm_gem_fb_create_with_funcs(dev, file_priv, info, mode_cmd,
1208 &qxl_fb_funcs);
1209 }
1210
1211 static const struct drm_mode_config_funcs qxl_mode_funcs = {
1212 .fb_create = qxl_user_framebuffer_create,
1213 .atomic_check = drm_atomic_helper_check,
1214 .atomic_commit = drm_atomic_helper_commit,
1215 };
1216
qxl_create_monitors_object(struct qxl_device * qdev)1217 int qxl_create_monitors_object(struct qxl_device *qdev)
1218 {
1219 int ret;
1220 struct drm_gem_object *gobj;
1221 struct iosys_map map;
1222 int monitors_config_size = sizeof(struct qxl_monitors_config) +
1223 qxl_num_crtc * sizeof(struct qxl_head);
1224
1225 ret = qxl_gem_object_create(qdev, monitors_config_size, 0,
1226 QXL_GEM_DOMAIN_VRAM,
1227 false, false, NULL, &gobj);
1228 if (ret) {
1229 DRM_ERROR("%s: failed to create gem ret=%d\n", __func__, ret);
1230 return -ENOMEM;
1231 }
1232 qdev->monitors_config_bo = gem_to_qxl_bo(gobj);
1233
1234 ret = qxl_bo_pin_and_vmap(qdev->monitors_config_bo, &map);
1235 if (ret)
1236 return ret;
1237
1238 qdev->monitors_config = qdev->monitors_config_bo->kptr;
1239 qdev->ram_header->monitors_config =
1240 qxl_bo_physical_address(qdev, qdev->monitors_config_bo, 0);
1241
1242 memset(qdev->monitors_config, 0, monitors_config_size);
1243 qdev->dumb_heads = kzalloc_objs(qdev->dumb_heads[0], qxl_num_crtc);
1244 if (!qdev->dumb_heads) {
1245 qxl_destroy_monitors_object(qdev);
1246 return -ENOMEM;
1247 }
1248 return 0;
1249 }
1250
qxl_destroy_monitors_object(struct qxl_device * qdev)1251 int qxl_destroy_monitors_object(struct qxl_device *qdev)
1252 {
1253 int ret;
1254
1255 if (!qdev->monitors_config_bo)
1256 return 0;
1257
1258 kfree(qdev->dumb_heads);
1259 qdev->dumb_heads = NULL;
1260
1261 qdev->monitors_config = NULL;
1262 qdev->ram_header->monitors_config = 0;
1263
1264 ret = qxl_bo_vunmap_and_unpin(qdev->monitors_config_bo);
1265 if (ret)
1266 return ret;
1267
1268 qxl_bo_unref(&qdev->monitors_config_bo);
1269 return 0;
1270 }
1271
qxl_modeset_init(struct qxl_device * qdev)1272 int qxl_modeset_init(struct qxl_device *qdev)
1273 {
1274 int i;
1275 int ret;
1276
1277 ret = drmm_mode_config_init(&qdev->ddev);
1278 if (ret)
1279 return ret;
1280
1281 ret = qxl_create_monitors_object(qdev);
1282 if (ret)
1283 return ret;
1284
1285 qdev->ddev.mode_config.funcs = (void *)&qxl_mode_funcs;
1286
1287 /* modes will be validated against the framebuffer size */
1288 qdev->ddev.mode_config.min_width = 0;
1289 qdev->ddev.mode_config.min_height = 0;
1290 qdev->ddev.mode_config.max_width = 8192;
1291 qdev->ddev.mode_config.max_height = 8192;
1292
1293 drm_mode_create_suggested_offset_properties(&qdev->ddev);
1294 qxl_mode_create_hotplug_mode_update_property(qdev);
1295
1296 for (i = 0 ; i < qxl_num_crtc; ++i) {
1297 qdev_crtc_init(&qdev->ddev, i);
1298 qdev_output_init(&qdev->ddev, i);
1299 }
1300
1301 qxl_display_read_client_monitors_config(qdev);
1302
1303 ret = drm_vblank_init(&qdev->ddev, qxl_num_crtc);
1304 if (ret)
1305 return ret;
1306
1307 drm_mode_config_reset(&qdev->ddev);
1308 return 0;
1309 }
1310
qxl_modeset_fini(struct qxl_device * qdev)1311 void qxl_modeset_fini(struct qxl_device *qdev)
1312 {
1313 if (qdev->dumb_shadow_bo) {
1314 qxl_bo_unpin(qdev->dumb_shadow_bo);
1315 drm_gem_object_put(&qdev->dumb_shadow_bo->tbo.base);
1316 qdev->dumb_shadow_bo = NULL;
1317 }
1318 qxl_destroy_monitors_object(qdev);
1319 }
1320