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
qxl_crtc_set_to_mode(struct qxl_device * qdev,struct drm_connector * connector,struct qxl_head * head)33 static void qxl_crtc_set_to_mode(struct qxl_device *qdev,
34 struct drm_connector *connector,
35 struct qxl_head *head)
36 {
37 struct drm_device *dev = connector->dev;
38 struct drm_display_mode *mode, *t;
39 int width = head->width;
40 int height = head->height;
41
42 if (width < 320 || height < 240) {
43 qxl_io_log(qdev, "%s: bad head: %dx%d", width, height);
44 width = 1024;
45 height = 768;
46 }
47 if (width * height * 4 > 16*1024*1024) {
48 width = 1024;
49 height = 768;
50 }
51 /* TODO: go over regular modes and removed preferred? */
52 list_for_each_entry_safe(mode, t, &connector->probed_modes, head)
53 drm_mode_remove(connector, mode);
54 mode = drm_cvt_mode(dev, width, height, 60, false, false, false);
55 mode->type |= DRM_MODE_TYPE_PREFERRED;
56 mode->status = MODE_OK;
57 drm_mode_probed_add(connector, mode);
58 qxl_io_log(qdev, "%s: %d x %d\n", __func__, width, height);
59 }
60
qxl_crtc_set_from_monitors_config(struct qxl_device * qdev)61 void qxl_crtc_set_from_monitors_config(struct qxl_device *qdev)
62 {
63 struct drm_connector *connector;
64 int i;
65 struct drm_device *dev = qdev->ddev;
66
67 i = 0;
68 qxl_io_log(qdev, "%s: %d, %d\n", __func__,
69 dev->mode_config.num_connector,
70 qdev->monitors_config->count);
71 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
72 if (i > qdev->monitors_config->count) {
73 /* crtc will be reported as disabled */
74 continue;
75 }
76 qxl_crtc_set_to_mode(qdev, connector,
77 &qdev->monitors_config->heads[i]);
78 ++i;
79 }
80 }
81
qxl_alloc_client_monitors_config(struct qxl_device * qdev,unsigned count)82 void qxl_alloc_client_monitors_config(struct qxl_device *qdev, unsigned count)
83 {
84 if (qdev->client_monitors_config &&
85 count > qdev->client_monitors_config->count) {
86 kfree(qdev->client_monitors_config);
87 qdev->client_monitors_config = NULL;
88 }
89 if (!qdev->client_monitors_config) {
90 qdev->client_monitors_config = kzalloc(
91 sizeof(struct qxl_monitors_config) +
92 sizeof(struct qxl_head) * count, GFP_KERNEL);
93 if (!qdev->client_monitors_config) {
94 qxl_io_log(qdev,
95 "%s: allocation failure for %u heads\n",
96 __func__, count);
97 return;
98 }
99 }
100 qdev->client_monitors_config->count = count;
101 }
102
qxl_display_copy_rom_client_monitors_config(struct qxl_device * qdev)103 static int qxl_display_copy_rom_client_monitors_config(struct qxl_device *qdev)
104 {
105 int i;
106 int num_monitors;
107 uint32_t crc;
108
109 BUG_ON(!qdev->monitors_config);
110 num_monitors = qdev->rom->client_monitors_config.count;
111 crc = crc32(0, (const uint8_t *)&qdev->rom->client_monitors_config,
112 sizeof(qdev->rom->client_monitors_config));
113 if (crc != qdev->rom->client_monitors_config_crc) {
114 qxl_io_log(qdev, "crc mismatch: have %X (%d) != %X\n", crc,
115 sizeof(qdev->rom->client_monitors_config),
116 qdev->rom->client_monitors_config_crc);
117 return 1;
118 }
119 if (num_monitors > qdev->monitors_config->max_allowed) {
120 DRM_INFO("client monitors list will be truncated: %d < %d\n",
121 qdev->monitors_config->max_allowed, num_monitors);
122 num_monitors = qdev->monitors_config->max_allowed;
123 } else {
124 num_monitors = qdev->rom->client_monitors_config.count;
125 }
126 qxl_alloc_client_monitors_config(qdev, num_monitors);
127 /* we copy max from the client but it isn't used */
128 qdev->client_monitors_config->max_allowed =
129 qdev->monitors_config->max_allowed;
130 for (i = 0 ; i < qdev->client_monitors_config->count ; ++i) {
131 struct qxl_urect *c_rect =
132 &qdev->rom->client_monitors_config.heads[i];
133 struct qxl_head *client_head =
134 &qdev->client_monitors_config->heads[i];
135 struct qxl_head *head = &qdev->monitors_config->heads[i];
136 client_head->x = head->x = c_rect->left;
137 client_head->y = head->y = c_rect->top;
138 client_head->width = head->width =
139 c_rect->right - c_rect->left;
140 client_head->height = head->height =
141 c_rect->bottom - c_rect->top;
142 client_head->surface_id = head->surface_id = 0;
143 client_head->id = head->id = i;
144 client_head->flags = head->flags = 0;
145 QXL_DEBUG(qdev, "read %dx%d+%d+%d\n", head->width, head->height,
146 head->x, head->y);
147 }
148 return 0;
149 }
150
qxl_display_read_client_monitors_config(struct qxl_device * qdev)151 void qxl_display_read_client_monitors_config(struct qxl_device *qdev)
152 {
153
154 while (qxl_display_copy_rom_client_monitors_config(qdev)) {
155 qxl_io_log(qdev, "failed crc check for client_monitors_config,"
156 " retrying\n");
157 }
158 qxl_crtc_set_from_monitors_config(qdev);
159 /* fire off a uevent and let userspace tell us what to do */
160 qxl_io_log(qdev, "calling drm_sysfs_hotplug_event\n");
161 drm_sysfs_hotplug_event(qdev->ddev);
162 }
163
qxl_add_monitors_config_modes(struct drm_connector * connector)164 static int qxl_add_monitors_config_modes(struct drm_connector *connector)
165 {
166 struct drm_device *dev = connector->dev;
167 struct qxl_device *qdev = dev->dev_private;
168 struct qxl_output *output = drm_connector_to_qxl_output(connector);
169 int h = output->index;
170 struct drm_display_mode *mode = NULL;
171 struct qxl_head *head;
172
173 if (!qdev->monitors_config)
174 return 0;
175 head = &qdev->monitors_config->heads[h];
176
177 mode = drm_cvt_mode(dev, head->width, head->height, 60, false, false,
178 false);
179 mode->type |= DRM_MODE_TYPE_PREFERRED;
180 drm_mode_probed_add(connector, mode);
181 return 1;
182 }
183
qxl_add_common_modes(struct drm_connector * connector)184 static int qxl_add_common_modes(struct drm_connector *connector)
185 {
186 struct drm_device *dev = connector->dev;
187 struct drm_display_mode *mode = NULL;
188 int i;
189 struct mode_size {
190 int w;
191 int h;
192 } common_modes[] = {
193 { 640, 480},
194 { 720, 480},
195 { 800, 600},
196 { 848, 480},
197 {1024, 768},
198 {1152, 768},
199 {1280, 720},
200 {1280, 800},
201 {1280, 854},
202 {1280, 960},
203 {1280, 1024},
204 {1440, 900},
205 {1400, 1050},
206 {1680, 1050},
207 {1600, 1200},
208 {1920, 1080},
209 {1920, 1200}
210 };
211
212 for (i = 0; i < ARRAY_SIZE(common_modes); i++) {
213 if (common_modes[i].w < 320 || common_modes[i].h < 200)
214 continue;
215
216 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h,
217 60, false, false, false);
218 if (common_modes[i].w == 1024 && common_modes[i].h == 768)
219 mode->type |= DRM_MODE_TYPE_PREFERRED;
220 drm_mode_probed_add(connector, mode);
221 }
222 return i - 1;
223 }
224
qxl_crtc_gamma_set(struct drm_crtc * crtc,u16 * red,u16 * green,u16 * blue,uint32_t start,uint32_t size)225 static void qxl_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
226 u16 *blue, uint32_t start, uint32_t size)
227 {
228 /* TODO */
229 }
230
qxl_crtc_destroy(struct drm_crtc * crtc)231 static void qxl_crtc_destroy(struct drm_crtc *crtc)
232 {
233 struct qxl_crtc *qxl_crtc = to_qxl_crtc(crtc);
234
235 drm_crtc_cleanup(crtc);
236 kfree(qxl_crtc);
237 }
238
239 static void
qxl_hide_cursor(struct qxl_device * qdev)240 qxl_hide_cursor(struct qxl_device *qdev)
241 {
242 struct qxl_release *release;
243 struct qxl_cursor_cmd *cmd;
244 int ret;
245
246 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), QXL_RELEASE_CURSOR_CMD,
247 &release, NULL);
248
249 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
250 cmd->type = QXL_CURSOR_HIDE;
251 qxl_release_unmap(qdev, release, &cmd->release_info);
252
253 qxl_fence_releaseable(qdev, release);
254 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
255 qxl_release_unreserve(qdev, release);
256 }
257
qxl_crtc_cursor_set(struct drm_crtc * crtc,struct drm_file * file_priv,uint32_t handle,uint32_t width,uint32_t height)258 static int qxl_crtc_cursor_set(struct drm_crtc *crtc,
259 struct drm_file *file_priv,
260 uint32_t handle,
261 uint32_t width,
262 uint32_t height)
263 {
264 struct drm_device *dev = crtc->dev;
265 struct qxl_device *qdev = dev->dev_private;
266 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
267 struct drm_gem_object *obj;
268 struct qxl_cursor *cursor;
269 struct qxl_cursor_cmd *cmd;
270 struct qxl_bo *cursor_bo, *user_bo;
271 struct qxl_release *release;
272 void *user_ptr;
273
274 int size = 64*64*4;
275 int ret = 0;
276 if (!handle) {
277 qxl_hide_cursor(qdev);
278 return 0;
279 }
280
281 obj = drm_gem_object_lookup(crtc->dev, file_priv, handle);
282 if (!obj) {
283 DRM_ERROR("cannot find cursor object\n");
284 return -ENOENT;
285 }
286
287 user_bo = gem_to_qxl_bo(obj);
288
289 ret = qxl_bo_reserve(user_bo, false);
290 if (ret)
291 goto out_unref;
292
293 ret = qxl_bo_pin(user_bo, QXL_GEM_DOMAIN_CPU, NULL);
294 if (ret)
295 goto out_unreserve;
296
297 ret = qxl_bo_kmap(user_bo, &user_ptr);
298 if (ret)
299 goto out_unpin;
300
301 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
302 QXL_RELEASE_CURSOR_CMD,
303 &release, NULL);
304 if (ret)
305 goto out_kunmap;
306 ret = qxl_alloc_bo_reserved(qdev, sizeof(struct qxl_cursor) + size,
307 &cursor_bo);
308 if (ret)
309 goto out_free_release;
310 ret = qxl_bo_kmap(cursor_bo, (void **)&cursor);
311 if (ret)
312 goto out_free_bo;
313
314 cursor->header.unique = 0;
315 cursor->header.type = SPICE_CURSOR_TYPE_ALPHA;
316 cursor->header.width = 64;
317 cursor->header.height = 64;
318 cursor->header.hot_spot_x = 0;
319 cursor->header.hot_spot_y = 0;
320 cursor->data_size = size;
321 cursor->chunk.next_chunk = 0;
322 cursor->chunk.prev_chunk = 0;
323 cursor->chunk.data_size = size;
324
325 memcpy(cursor->chunk.data, user_ptr, size);
326
327 qxl_bo_kunmap(cursor_bo);
328
329 /* finish with the userspace bo */
330 qxl_bo_kunmap(user_bo);
331 qxl_bo_unpin(user_bo);
332 qxl_bo_unreserve(user_bo);
333 drm_gem_object_unreference_unlocked(obj);
334
335 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
336 cmd->type = QXL_CURSOR_SET;
337 cmd->u.set.position.x = qcrtc->cur_x;
338 cmd->u.set.position.y = qcrtc->cur_y;
339
340 cmd->u.set.shape = qxl_bo_physical_address(qdev, cursor_bo, 0);
341 qxl_release_add_res(qdev, release, cursor_bo);
342
343 cmd->u.set.visible = 1;
344 qxl_release_unmap(qdev, release, &cmd->release_info);
345
346 qxl_fence_releaseable(qdev, release);
347 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
348 qxl_release_unreserve(qdev, release);
349
350 qxl_bo_unreserve(cursor_bo);
351 qxl_bo_unref(&cursor_bo);
352
353 return ret;
354 out_free_bo:
355 qxl_bo_unref(&cursor_bo);
356 out_free_release:
357 qxl_release_unreserve(qdev, release);
358 qxl_release_free(qdev, release);
359 out_kunmap:
360 qxl_bo_kunmap(user_bo);
361 out_unpin:
362 qxl_bo_unpin(user_bo);
363 out_unreserve:
364 qxl_bo_unreserve(user_bo);
365 out_unref:
366 drm_gem_object_unreference_unlocked(obj);
367 return ret;
368 }
369
qxl_crtc_cursor_move(struct drm_crtc * crtc,int x,int y)370 static int qxl_crtc_cursor_move(struct drm_crtc *crtc,
371 int x, int y)
372 {
373 struct drm_device *dev = crtc->dev;
374 struct qxl_device *qdev = dev->dev_private;
375 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
376 struct qxl_release *release;
377 struct qxl_cursor_cmd *cmd;
378 int ret;
379
380 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), QXL_RELEASE_CURSOR_CMD,
381 &release, NULL);
382
383 qcrtc->cur_x = x;
384 qcrtc->cur_y = y;
385
386 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
387 cmd->type = QXL_CURSOR_MOVE;
388 cmd->u.position.x = qcrtc->cur_x;
389 cmd->u.position.y = qcrtc->cur_y;
390 qxl_release_unmap(qdev, release, &cmd->release_info);
391
392 qxl_fence_releaseable(qdev, release);
393 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
394 qxl_release_unreserve(qdev, release);
395 return 0;
396 }
397
398
399 static const struct drm_crtc_funcs qxl_crtc_funcs = {
400 .cursor_set = qxl_crtc_cursor_set,
401 .cursor_move = qxl_crtc_cursor_move,
402 .gamma_set = qxl_crtc_gamma_set,
403 .set_config = drm_crtc_helper_set_config,
404 .destroy = qxl_crtc_destroy,
405 };
406
qxl_user_framebuffer_destroy(struct drm_framebuffer * fb)407 static void qxl_user_framebuffer_destroy(struct drm_framebuffer *fb)
408 {
409 struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb);
410
411 if (qxl_fb->obj)
412 drm_gem_object_unreference_unlocked(qxl_fb->obj);
413 drm_framebuffer_cleanup(fb);
414 kfree(qxl_fb);
415 }
416
qxl_framebuffer_surface_dirty(struct drm_framebuffer * fb,struct drm_file * file_priv,unsigned flags,unsigned color,struct drm_clip_rect * clips,unsigned num_clips)417 static int qxl_framebuffer_surface_dirty(struct drm_framebuffer *fb,
418 struct drm_file *file_priv,
419 unsigned flags, unsigned color,
420 struct drm_clip_rect *clips,
421 unsigned num_clips)
422 {
423 /* TODO: vmwgfx where this was cribbed from had locking. Why? */
424 struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb);
425 struct qxl_device *qdev = qxl_fb->base.dev->dev_private;
426 struct drm_clip_rect norect;
427 struct qxl_bo *qobj;
428 int inc = 1;
429
430 qobj = gem_to_qxl_bo(qxl_fb->obj);
431 /* if we aren't primary surface ignore this */
432 if (!qobj->is_primary)
433 return 0;
434
435 if (!num_clips) {
436 num_clips = 1;
437 clips = &norect;
438 norect.x1 = norect.y1 = 0;
439 norect.x2 = fb->width;
440 norect.y2 = fb->height;
441 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
442 num_clips /= 2;
443 inc = 2; /* skip source rects */
444 }
445
446 qxl_draw_dirty_fb(qdev, qxl_fb, qobj, flags, color,
447 clips, num_clips, inc);
448 return 0;
449 }
450
451 static const struct drm_framebuffer_funcs qxl_fb_funcs = {
452 .destroy = qxl_user_framebuffer_destroy,
453 .dirty = qxl_framebuffer_surface_dirty,
454 /* TODO?
455 * .create_handle = qxl_user_framebuffer_create_handle, */
456 };
457
458 int
qxl_framebuffer_init(struct drm_device * dev,struct qxl_framebuffer * qfb,struct drm_mode_fb_cmd2 * mode_cmd,struct drm_gem_object * obj)459 qxl_framebuffer_init(struct drm_device *dev,
460 struct qxl_framebuffer *qfb,
461 struct drm_mode_fb_cmd2 *mode_cmd,
462 struct drm_gem_object *obj)
463 {
464 int ret;
465
466 qfb->obj = obj;
467 ret = drm_framebuffer_init(dev, &qfb->base, &qxl_fb_funcs);
468 if (ret) {
469 qfb->obj = NULL;
470 return ret;
471 }
472 drm_helper_mode_fill_fb_struct(&qfb->base, mode_cmd);
473 return 0;
474 }
475
qxl_crtc_dpms(struct drm_crtc * crtc,int mode)476 static void qxl_crtc_dpms(struct drm_crtc *crtc, int mode)
477 {
478 }
479
qxl_crtc_mode_fixup(struct drm_crtc * crtc,const struct drm_display_mode * mode,struct drm_display_mode * adjusted_mode)480 static bool qxl_crtc_mode_fixup(struct drm_crtc *crtc,
481 const struct drm_display_mode *mode,
482 struct drm_display_mode *adjusted_mode)
483 {
484 struct drm_device *dev = crtc->dev;
485 struct qxl_device *qdev = dev->dev_private;
486
487 qxl_io_log(qdev, "%s: (%d,%d) => (%d,%d)\n",
488 __func__,
489 mode->hdisplay, mode->vdisplay,
490 adjusted_mode->hdisplay,
491 adjusted_mode->vdisplay);
492 return true;
493 }
494
495 void
qxl_send_monitors_config(struct qxl_device * qdev)496 qxl_send_monitors_config(struct qxl_device *qdev)
497 {
498 int i;
499
500 BUG_ON(!qdev->ram_header->monitors_config);
501
502 if (qdev->monitors_config->count == 0) {
503 qxl_io_log(qdev, "%s: 0 monitors??\n", __func__);
504 return;
505 }
506 for (i = 0 ; i < qdev->monitors_config->count ; ++i) {
507 struct qxl_head *head = &qdev->monitors_config->heads[i];
508
509 if (head->y > 8192 || head->y < head->x ||
510 head->width > 8192 || head->height > 8192) {
511 DRM_ERROR("head %d wrong: %dx%d+%d+%d\n",
512 i, head->width, head->height,
513 head->x, head->y);
514 return;
515 }
516 }
517 qxl_io_monitors_config(qdev);
518 }
519
qxl_monitors_config_set_single(struct qxl_device * qdev,unsigned x,unsigned y,unsigned width,unsigned height)520 static void qxl_monitors_config_set_single(struct qxl_device *qdev,
521 unsigned x, unsigned y,
522 unsigned width, unsigned height)
523 {
524 DRM_DEBUG("%dx%d+%d+%d\n", width, height, x, y);
525 qdev->monitors_config->count = 1;
526 qdev->monitors_config->heads[0].x = x;
527 qdev->monitors_config->heads[0].y = y;
528 qdev->monitors_config->heads[0].width = width;
529 qdev->monitors_config->heads[0].height = height;
530 }
531
qxl_crtc_mode_set(struct drm_crtc * crtc,struct drm_display_mode * mode,struct drm_display_mode * adjusted_mode,int x,int y,struct drm_framebuffer * old_fb)532 static int qxl_crtc_mode_set(struct drm_crtc *crtc,
533 struct drm_display_mode *mode,
534 struct drm_display_mode *adjusted_mode,
535 int x, int y,
536 struct drm_framebuffer *old_fb)
537 {
538 struct drm_device *dev = crtc->dev;
539 struct qxl_device *qdev = dev->dev_private;
540 struct qxl_mode *m = (void *)mode->private;
541 struct qxl_framebuffer *qfb;
542 struct qxl_bo *bo, *old_bo = NULL;
543 uint32_t width, height, base_offset;
544 bool recreate_primary = false;
545 int ret;
546
547 if (!crtc->fb) {
548 DRM_DEBUG_KMS("No FB bound\n");
549 return 0;
550 }
551
552 if (old_fb) {
553 qfb = to_qxl_framebuffer(old_fb);
554 old_bo = gem_to_qxl_bo(qfb->obj);
555 }
556 qfb = to_qxl_framebuffer(crtc->fb);
557 bo = gem_to_qxl_bo(qfb->obj);
558 if (!m)
559 /* and do we care? */
560 DRM_DEBUG("%dx%d: not a native mode\n", x, y);
561 else
562 DRM_DEBUG("%dx%d: qxl id %d\n",
563 mode->hdisplay, mode->vdisplay, m->id);
564 DRM_DEBUG("+%d+%d (%d,%d) => (%d,%d)\n",
565 x, y,
566 mode->hdisplay, mode->vdisplay,
567 adjusted_mode->hdisplay,
568 adjusted_mode->vdisplay);
569
570 recreate_primary = true;
571
572 width = mode->hdisplay;
573 height = mode->vdisplay;
574 base_offset = 0;
575
576 ret = qxl_bo_reserve(bo, false);
577 if (ret != 0)
578 return ret;
579 ret = qxl_bo_pin(bo, bo->type, NULL);
580 if (ret != 0) {
581 qxl_bo_unreserve(bo);
582 return -EINVAL;
583 }
584 qxl_bo_unreserve(bo);
585 if (recreate_primary) {
586 qxl_io_destroy_primary(qdev);
587 qxl_io_log(qdev,
588 "recreate primary: %dx%d (was %dx%d,%d,%d)\n",
589 width, height, bo->surf.width,
590 bo->surf.height, bo->surf.stride, bo->surf.format);
591 qxl_io_create_primary(qdev, width, height, base_offset, bo);
592 bo->is_primary = true;
593 }
594
595 if (old_bo && old_bo != bo) {
596 old_bo->is_primary = false;
597 ret = qxl_bo_reserve(old_bo, false);
598 qxl_bo_unpin(old_bo);
599 qxl_bo_unreserve(old_bo);
600 }
601
602 if (qdev->monitors_config->count == 0) {
603 qxl_monitors_config_set_single(qdev, x, y,
604 mode->hdisplay,
605 mode->vdisplay);
606 }
607 return 0;
608 }
609
qxl_crtc_prepare(struct drm_crtc * crtc)610 static void qxl_crtc_prepare(struct drm_crtc *crtc)
611 {
612 DRM_DEBUG("current: %dx%d+%d+%d (%d).\n",
613 crtc->mode.hdisplay, crtc->mode.vdisplay,
614 crtc->x, crtc->y, crtc->enabled);
615 }
616
qxl_crtc_commit(struct drm_crtc * crtc)617 static void qxl_crtc_commit(struct drm_crtc *crtc)
618 {
619 DRM_DEBUG("\n");
620 }
621
qxl_crtc_load_lut(struct drm_crtc * crtc)622 static void qxl_crtc_load_lut(struct drm_crtc *crtc)
623 {
624 DRM_DEBUG("\n");
625 }
626
627 static const struct drm_crtc_helper_funcs qxl_crtc_helper_funcs = {
628 .dpms = qxl_crtc_dpms,
629 .mode_fixup = qxl_crtc_mode_fixup,
630 .mode_set = qxl_crtc_mode_set,
631 .prepare = qxl_crtc_prepare,
632 .commit = qxl_crtc_commit,
633 .load_lut = qxl_crtc_load_lut,
634 };
635
qdev_crtc_init(struct drm_device * dev,int num_crtc)636 static int qdev_crtc_init(struct drm_device *dev, int num_crtc)
637 {
638 struct qxl_crtc *qxl_crtc;
639
640 qxl_crtc = kzalloc(sizeof(struct qxl_crtc), GFP_KERNEL);
641 if (!qxl_crtc)
642 return -ENOMEM;
643
644 drm_crtc_init(dev, &qxl_crtc->base, &qxl_crtc_funcs);
645
646 drm_mode_crtc_set_gamma_size(&qxl_crtc->base, 256);
647 drm_crtc_helper_add(&qxl_crtc->base, &qxl_crtc_helper_funcs);
648 return 0;
649 }
650
qxl_enc_dpms(struct drm_encoder * encoder,int mode)651 static void qxl_enc_dpms(struct drm_encoder *encoder, int mode)
652 {
653 DRM_DEBUG("\n");
654 }
655
qxl_enc_mode_fixup(struct drm_encoder * encoder,const struct drm_display_mode * mode,struct drm_display_mode * adjusted_mode)656 static bool qxl_enc_mode_fixup(struct drm_encoder *encoder,
657 const struct drm_display_mode *mode,
658 struct drm_display_mode *adjusted_mode)
659 {
660 DRM_DEBUG("\n");
661 return true;
662 }
663
qxl_enc_prepare(struct drm_encoder * encoder)664 static void qxl_enc_prepare(struct drm_encoder *encoder)
665 {
666 DRM_DEBUG("\n");
667 }
668
qxl_write_monitors_config_for_encoder(struct qxl_device * qdev,struct drm_encoder * encoder)669 static void qxl_write_monitors_config_for_encoder(struct qxl_device *qdev,
670 struct drm_encoder *encoder)
671 {
672 int i;
673 struct qxl_head *head;
674 struct drm_display_mode *mode;
675
676 BUG_ON(!encoder);
677 /* TODO: ugly, do better */
678 for (i = 0 ; (encoder->possible_crtcs != (1 << i)) && i < 32; ++i)
679 ;
680 if (encoder->possible_crtcs != (1 << i)) {
681 DRM_ERROR("encoder has wrong possible_crtcs: %x\n",
682 encoder->possible_crtcs);
683 return;
684 }
685 if (!qdev->monitors_config ||
686 qdev->monitors_config->max_allowed <= i) {
687 DRM_ERROR(
688 "head number too large or missing monitors config: %p, %d",
689 qdev->monitors_config,
690 qdev->monitors_config ?
691 qdev->monitors_config->max_allowed : -1);
692 return;
693 }
694 if (!encoder->crtc) {
695 DRM_ERROR("missing crtc on encoder %p\n", encoder);
696 return;
697 }
698 if (i != 0)
699 DRM_DEBUG("missing for multiple monitors: no head holes\n");
700 head = &qdev->monitors_config->heads[i];
701 head->id = i;
702 head->surface_id = 0;
703 if (encoder->crtc->enabled) {
704 mode = &encoder->crtc->mode;
705 head->width = mode->hdisplay;
706 head->height = mode->vdisplay;
707 head->x = encoder->crtc->x;
708 head->y = encoder->crtc->y;
709 if (qdev->monitors_config->count < i + 1)
710 qdev->monitors_config->count = i + 1;
711 } else {
712 head->width = 0;
713 head->height = 0;
714 head->x = 0;
715 head->y = 0;
716 }
717 DRM_DEBUG("setting head %d to +%d+%d %dx%d\n",
718 i, head->x, head->y, head->width, head->height);
719 head->flags = 0;
720 /* TODO - somewhere else to call this for multiple monitors
721 * (config_commit?) */
722 qxl_send_monitors_config(qdev);
723 }
724
qxl_enc_commit(struct drm_encoder * encoder)725 static void qxl_enc_commit(struct drm_encoder *encoder)
726 {
727 struct qxl_device *qdev = encoder->dev->dev_private;
728
729 qxl_write_monitors_config_for_encoder(qdev, encoder);
730 DRM_DEBUG("\n");
731 }
732
qxl_enc_mode_set(struct drm_encoder * encoder,struct drm_display_mode * mode,struct drm_display_mode * adjusted_mode)733 static void qxl_enc_mode_set(struct drm_encoder *encoder,
734 struct drm_display_mode *mode,
735 struct drm_display_mode *adjusted_mode)
736 {
737 DRM_DEBUG("\n");
738 }
739
qxl_conn_get_modes(struct drm_connector * connector)740 static int qxl_conn_get_modes(struct drm_connector *connector)
741 {
742 int ret = 0;
743 struct qxl_device *qdev = connector->dev->dev_private;
744
745 DRM_DEBUG_KMS("monitors_config=%p\n", qdev->monitors_config);
746 /* TODO: what should we do here? only show the configured modes for the
747 * device, or allow the full list, or both? */
748 if (qdev->monitors_config && qdev->monitors_config->count) {
749 ret = qxl_add_monitors_config_modes(connector);
750 if (ret < 0)
751 return ret;
752 }
753 ret += qxl_add_common_modes(connector);
754 return ret;
755 }
756
qxl_conn_mode_valid(struct drm_connector * connector,struct drm_display_mode * mode)757 static int qxl_conn_mode_valid(struct drm_connector *connector,
758 struct drm_display_mode *mode)
759 {
760 /* TODO: is this called for user defined modes? (xrandr --add-mode)
761 * TODO: check that the mode fits in the framebuffer */
762 DRM_DEBUG("%s: %dx%d status=%d\n", mode->name, mode->hdisplay,
763 mode->vdisplay, mode->status);
764 return MODE_OK;
765 }
766
qxl_best_encoder(struct drm_connector * connector)767 static struct drm_encoder *qxl_best_encoder(struct drm_connector *connector)
768 {
769 struct qxl_output *qxl_output =
770 drm_connector_to_qxl_output(connector);
771
772 DRM_DEBUG("\n");
773 return &qxl_output->enc;
774 }
775
776
777 static const struct drm_encoder_helper_funcs qxl_enc_helper_funcs = {
778 .dpms = qxl_enc_dpms,
779 .mode_fixup = qxl_enc_mode_fixup,
780 .prepare = qxl_enc_prepare,
781 .mode_set = qxl_enc_mode_set,
782 .commit = qxl_enc_commit,
783 };
784
785 static const struct drm_connector_helper_funcs qxl_connector_helper_funcs = {
786 .get_modes = qxl_conn_get_modes,
787 .mode_valid = qxl_conn_mode_valid,
788 .best_encoder = qxl_best_encoder,
789 };
790
qxl_conn_save(struct drm_connector * connector)791 static void qxl_conn_save(struct drm_connector *connector)
792 {
793 DRM_DEBUG("\n");
794 }
795
qxl_conn_restore(struct drm_connector * connector)796 static void qxl_conn_restore(struct drm_connector *connector)
797 {
798 DRM_DEBUG("\n");
799 }
800
qxl_conn_detect(struct drm_connector * connector,bool force)801 static enum drm_connector_status qxl_conn_detect(
802 struct drm_connector *connector,
803 bool force)
804 {
805 struct qxl_output *output =
806 drm_connector_to_qxl_output(connector);
807 struct drm_device *ddev = connector->dev;
808 struct qxl_device *qdev = ddev->dev_private;
809 int connected;
810
811 /* The first monitor is always connected */
812 connected = (output->index == 0) ||
813 (qdev->monitors_config &&
814 qdev->monitors_config->count > output->index);
815
816 DRM_DEBUG("\n");
817 return connected ? connector_status_connected
818 : connector_status_disconnected;
819 }
820
qxl_conn_set_property(struct drm_connector * connector,struct drm_property * property,uint64_t value)821 static int qxl_conn_set_property(struct drm_connector *connector,
822 struct drm_property *property,
823 uint64_t value)
824 {
825 DRM_DEBUG("\n");
826 return 0;
827 }
828
qxl_conn_destroy(struct drm_connector * connector)829 static void qxl_conn_destroy(struct drm_connector *connector)
830 {
831 struct qxl_output *qxl_output =
832 drm_connector_to_qxl_output(connector);
833
834 drm_sysfs_connector_remove(connector);
835 drm_connector_cleanup(connector);
836 kfree(qxl_output);
837 }
838
839 static const struct drm_connector_funcs qxl_connector_funcs = {
840 .dpms = drm_helper_connector_dpms,
841 .save = qxl_conn_save,
842 .restore = qxl_conn_restore,
843 .detect = qxl_conn_detect,
844 .fill_modes = drm_helper_probe_single_connector_modes,
845 .set_property = qxl_conn_set_property,
846 .destroy = qxl_conn_destroy,
847 };
848
qxl_enc_destroy(struct drm_encoder * encoder)849 static void qxl_enc_destroy(struct drm_encoder *encoder)
850 {
851 drm_encoder_cleanup(encoder);
852 }
853
854 static const struct drm_encoder_funcs qxl_enc_funcs = {
855 .destroy = qxl_enc_destroy,
856 };
857
qdev_output_init(struct drm_device * dev,int num_output)858 static int qdev_output_init(struct drm_device *dev, int num_output)
859 {
860 struct qxl_output *qxl_output;
861 struct drm_connector *connector;
862 struct drm_encoder *encoder;
863
864 qxl_output = kzalloc(sizeof(struct qxl_output), GFP_KERNEL);
865 if (!qxl_output)
866 return -ENOMEM;
867
868 qxl_output->index = num_output;
869
870 connector = &qxl_output->base;
871 encoder = &qxl_output->enc;
872 drm_connector_init(dev, &qxl_output->base,
873 &qxl_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL);
874
875 drm_encoder_init(dev, &qxl_output->enc, &qxl_enc_funcs,
876 DRM_MODE_ENCODER_VIRTUAL);
877
878 encoder->possible_crtcs = 1 << num_output;
879 drm_mode_connector_attach_encoder(&qxl_output->base,
880 &qxl_output->enc);
881 drm_encoder_helper_add(encoder, &qxl_enc_helper_funcs);
882 drm_connector_helper_add(connector, &qxl_connector_helper_funcs);
883
884 drm_sysfs_connector_add(connector);
885 return 0;
886 }
887
888 static struct drm_framebuffer *
qxl_user_framebuffer_create(struct drm_device * dev,struct drm_file * file_priv,struct drm_mode_fb_cmd2 * mode_cmd)889 qxl_user_framebuffer_create(struct drm_device *dev,
890 struct drm_file *file_priv,
891 struct drm_mode_fb_cmd2 *mode_cmd)
892 {
893 struct drm_gem_object *obj;
894 struct qxl_framebuffer *qxl_fb;
895 int ret;
896
897 obj = drm_gem_object_lookup(dev, file_priv, mode_cmd->handles[0]);
898
899 qxl_fb = kzalloc(sizeof(*qxl_fb), GFP_KERNEL);
900 if (qxl_fb == NULL)
901 return NULL;
902
903 ret = qxl_framebuffer_init(dev, qxl_fb, mode_cmd, obj);
904 if (ret) {
905 kfree(qxl_fb);
906 drm_gem_object_unreference_unlocked(obj);
907 return NULL;
908 }
909
910 return &qxl_fb->base;
911 }
912
913 static const struct drm_mode_config_funcs qxl_mode_funcs = {
914 .fb_create = qxl_user_framebuffer_create,
915 };
916
qxl_modeset_init(struct qxl_device * qdev)917 int qxl_modeset_init(struct qxl_device *qdev)
918 {
919 int i;
920 int ret;
921 struct drm_gem_object *gobj;
922 int max_allowed = QXL_NUM_OUTPUTS;
923 int monitors_config_size = sizeof(struct qxl_monitors_config) +
924 max_allowed * sizeof(struct qxl_head);
925
926 drm_mode_config_init(qdev->ddev);
927 ret = qxl_gem_object_create(qdev, monitors_config_size, 0,
928 QXL_GEM_DOMAIN_VRAM,
929 false, false, NULL, &gobj);
930 if (ret) {
931 DRM_ERROR("%s: failed to create gem ret=%d\n", __func__, ret);
932 return -ENOMEM;
933 }
934 qdev->monitors_config_bo = gem_to_qxl_bo(gobj);
935 qxl_bo_kmap(qdev->monitors_config_bo, NULL);
936 qdev->monitors_config = qdev->monitors_config_bo->kptr;
937 qdev->ram_header->monitors_config =
938 qxl_bo_physical_address(qdev, qdev->monitors_config_bo, 0);
939
940 memset(qdev->monitors_config, 0, monitors_config_size);
941 qdev->monitors_config->max_allowed = max_allowed;
942
943 qdev->ddev->mode_config.funcs = (void *)&qxl_mode_funcs;
944
945 /* modes will be validated against the framebuffer size */
946 qdev->ddev->mode_config.min_width = 320;
947 qdev->ddev->mode_config.min_height = 200;
948 qdev->ddev->mode_config.max_width = 8192;
949 qdev->ddev->mode_config.max_height = 8192;
950
951 qdev->ddev->mode_config.fb_base = qdev->vram_base;
952 for (i = 0 ; i < QXL_NUM_OUTPUTS; ++i) {
953 qdev_crtc_init(qdev->ddev, i);
954 qdev_output_init(qdev->ddev, i);
955 }
956
957 qdev->mode_info.mode_config_initialized = true;
958
959 /* primary surface must be created by this point, to allow
960 * issuing command queue commands and having them read by
961 * spice server. */
962 qxl_fbdev_init(qdev);
963 return 0;
964 }
965
qxl_modeset_fini(struct qxl_device * qdev)966 void qxl_modeset_fini(struct qxl_device *qdev)
967 {
968 qxl_fbdev_fini(qdev);
969 if (qdev->mode_info.mode_config_initialized) {
970 drm_mode_config_cleanup(qdev->ddev);
971 qdev->mode_info.mode_config_initialized = false;
972 }
973 }
974