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