2 * Copyright 2013 Red Hat Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
22 * Authors: Dave Airlie
27 #include <linux/crc32.h>
30 #include "qxl_object.h"
31 #include "drm_crtc_helper.h"
32 #include <drm/drm_plane_helper.h>
33 #include <drm/drm_atomic_helper.h>
34 #include <drm/drm_atomic.h>
36 static bool qxl_head_enabled(struct qxl_head *head)
38 return head->width && head->height;
41 static void qxl_alloc_client_monitors_config(struct qxl_device *qdev, unsigned count)
43 if (qdev->client_monitors_config &&
44 count > qdev->client_monitors_config->count) {
45 kfree(qdev->client_monitors_config);
46 qdev->client_monitors_config = NULL;
48 if (!qdev->client_monitors_config) {
49 qdev->client_monitors_config = kzalloc(
50 sizeof(struct qxl_monitors_config) +
51 sizeof(struct qxl_head) * count, GFP_KERNEL);
52 if (!qdev->client_monitors_config) {
54 "%s: allocation failure for %u heads\n",
59 qdev->client_monitors_config->count = count;
63 MONITORS_CONFIG_MODIFIED,
64 MONITORS_CONFIG_UNCHANGED,
65 MONITORS_CONFIG_BAD_CRC,
68 static int qxl_display_copy_rom_client_monitors_config(struct qxl_device *qdev)
73 int status = MONITORS_CONFIG_UNCHANGED;
75 num_monitors = qdev->rom->client_monitors_config.count;
76 crc = crc32(0, (const uint8_t *)&qdev->rom->client_monitors_config,
77 sizeof(qdev->rom->client_monitors_config));
78 if (crc != qdev->rom->client_monitors_config_crc) {
79 qxl_io_log(qdev, "crc mismatch: have %X (%zd) != %X\n", crc,
80 sizeof(qdev->rom->client_monitors_config),
81 qdev->rom->client_monitors_config_crc);
82 return MONITORS_CONFIG_BAD_CRC;
85 DRM_DEBUG_KMS("no client monitors configured\n");
88 if (num_monitors > qdev->monitors_config->max_allowed) {
89 DRM_DEBUG_KMS("client monitors list will be truncated: %d < %d\n",
90 qdev->monitors_config->max_allowed, num_monitors);
91 num_monitors = qdev->monitors_config->max_allowed;
93 num_monitors = qdev->rom->client_monitors_config.count;
95 if (qdev->client_monitors_config
96 && (num_monitors != qdev->client_monitors_config->count)) {
97 status = MONITORS_CONFIG_MODIFIED;
99 qxl_alloc_client_monitors_config(qdev, num_monitors);
100 /* we copy max from the client but it isn't used */
101 qdev->client_monitors_config->max_allowed =
102 qdev->monitors_config->max_allowed;
103 for (i = 0 ; i < qdev->client_monitors_config->count ; ++i) {
104 struct qxl_urect *c_rect =
105 &qdev->rom->client_monitors_config.heads[i];
106 struct qxl_head *client_head =
107 &qdev->client_monitors_config->heads[i];
108 if (client_head->x != c_rect->left) {
109 client_head->x = c_rect->left;
110 status = MONITORS_CONFIG_MODIFIED;
112 if (client_head->y != c_rect->top) {
113 client_head->y = c_rect->top;
114 status = MONITORS_CONFIG_MODIFIED;
116 if (client_head->width != c_rect->right - c_rect->left) {
117 client_head->width = c_rect->right - c_rect->left;
118 status = MONITORS_CONFIG_MODIFIED;
120 if (client_head->height != c_rect->bottom - c_rect->top) {
121 client_head->height = c_rect->bottom - c_rect->top;
122 status = MONITORS_CONFIG_MODIFIED;
124 if (client_head->surface_id != 0) {
125 client_head->surface_id = 0;
126 status = MONITORS_CONFIG_MODIFIED;
128 if (client_head->id != i) {
130 status = MONITORS_CONFIG_MODIFIED;
132 if (client_head->flags != 0) {
133 client_head->flags = 0;
134 status = MONITORS_CONFIG_MODIFIED;
136 DRM_DEBUG_KMS("read %dx%d+%d+%d\n", client_head->width, client_head->height,
137 client_head->x, client_head->y);
143 static void qxl_update_offset_props(struct qxl_device *qdev)
145 struct drm_device *dev = &qdev->ddev;
146 struct drm_connector *connector;
147 struct qxl_output *output;
148 struct qxl_head *head;
150 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
151 output = drm_connector_to_qxl_output(connector);
153 head = &qdev->client_monitors_config->heads[output->index];
155 drm_object_property_set_value(&connector->base,
156 dev->mode_config.suggested_x_property, head->x);
157 drm_object_property_set_value(&connector->base,
158 dev->mode_config.suggested_y_property, head->y);
162 void qxl_display_read_client_monitors_config(struct qxl_device *qdev)
164 struct drm_device *dev = &qdev->ddev;
167 for (retries = 0; retries < 10; retries++) {
168 status = qxl_display_copy_rom_client_monitors_config(qdev);
169 if (status != MONITORS_CONFIG_BAD_CRC)
173 if (status == MONITORS_CONFIG_BAD_CRC) {
174 qxl_io_log(qdev, "config: bad crc\n");
175 DRM_DEBUG_KMS("ignoring client monitors config: bad crc");
178 if (status == MONITORS_CONFIG_UNCHANGED) {
179 qxl_io_log(qdev, "config: unchanged\n");
180 DRM_DEBUG_KMS("ignoring client monitors config: unchanged");
184 drm_modeset_lock_all(dev);
185 qxl_update_offset_props(qdev);
186 drm_modeset_unlock_all(dev);
187 if (!drm_helper_hpd_irq_event(dev)) {
188 /* notify that the monitor configuration changed, to
189 adjust at the arbitrary resolution */
190 drm_kms_helper_hotplug_event(dev);
194 static int qxl_add_monitors_config_modes(struct drm_connector *connector,
198 struct drm_device *dev = connector->dev;
199 struct qxl_device *qdev = dev->dev_private;
200 struct qxl_output *output = drm_connector_to_qxl_output(connector);
201 int h = output->index;
202 struct drm_display_mode *mode = NULL;
203 struct qxl_head *head;
205 if (!qdev->monitors_config)
207 if (h >= qdev->monitors_config->max_allowed)
209 if (!qdev->client_monitors_config)
211 if (h >= qdev->client_monitors_config->count)
214 head = &qdev->client_monitors_config->heads[h];
215 DRM_DEBUG_KMS("head %d is %dx%d\n", h, head->width, head->height);
217 mode = drm_cvt_mode(dev, head->width, head->height, 60, false, false,
219 mode->type |= DRM_MODE_TYPE_PREFERRED;
220 mode->hdisplay = head->width;
221 mode->vdisplay = head->height;
222 drm_mode_set_name(mode);
223 *pwidth = head->width;
224 *pheight = head->height;
225 drm_mode_probed_add(connector, mode);
226 /* remember the last custom size for mode validation */
227 qdev->monitors_config_width = mode->hdisplay;
228 qdev->monitors_config_height = mode->vdisplay;
232 static struct mode_size {
255 static int qxl_add_common_modes(struct drm_connector *connector,
259 struct drm_device *dev = connector->dev;
260 struct drm_display_mode *mode = NULL;
262 for (i = 0; i < ARRAY_SIZE(common_modes); i++) {
263 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h,
264 60, false, false, false);
265 if (common_modes[i].w == pwidth && common_modes[i].h == pheight)
266 mode->type |= DRM_MODE_TYPE_PREFERRED;
267 drm_mode_probed_add(connector, mode);
272 static void qxl_crtc_atomic_flush(struct drm_crtc *crtc,
273 struct drm_crtc_state *old_crtc_state)
275 struct drm_device *dev = crtc->dev;
276 struct drm_pending_vblank_event *event;
279 if (crtc->state && crtc->state->event) {
280 event = crtc->state->event;
281 crtc->state->event = NULL;
283 spin_lock_irqsave(&dev->event_lock, flags);
284 drm_crtc_send_vblank_event(crtc, event);
285 spin_unlock_irqrestore(&dev->event_lock, flags);
289 static void qxl_crtc_destroy(struct drm_crtc *crtc)
291 struct qxl_crtc *qxl_crtc = to_qxl_crtc(crtc);
293 drm_crtc_cleanup(crtc);
297 static const struct drm_crtc_funcs qxl_crtc_funcs = {
298 .set_config = drm_atomic_helper_set_config,
299 .destroy = qxl_crtc_destroy,
300 .page_flip = drm_atomic_helper_page_flip,
301 .reset = drm_atomic_helper_crtc_reset,
302 .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
303 .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
306 void qxl_user_framebuffer_destroy(struct drm_framebuffer *fb)
308 struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb);
310 drm_gem_object_unreference_unlocked(qxl_fb->obj);
311 drm_framebuffer_cleanup(fb);
315 static int qxl_framebuffer_surface_dirty(struct drm_framebuffer *fb,
316 struct drm_file *file_priv,
317 unsigned flags, unsigned color,
318 struct drm_clip_rect *clips,
321 /* TODO: vmwgfx where this was cribbed from had locking. Why? */
322 struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb);
323 struct qxl_device *qdev = qxl_fb->base.dev->dev_private;
324 struct drm_clip_rect norect;
328 drm_modeset_lock_all(fb->dev);
330 qobj = gem_to_qxl_bo(qxl_fb->obj);
331 /* if we aren't primary surface ignore this */
332 if (!qobj->is_primary) {
333 drm_modeset_unlock_all(fb->dev);
340 norect.x1 = norect.y1 = 0;
341 norect.x2 = fb->width;
342 norect.y2 = fb->height;
343 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
345 inc = 2; /* skip source rects */
348 qxl_draw_dirty_fb(qdev, qxl_fb, qobj, flags, color,
349 clips, num_clips, inc);
351 drm_modeset_unlock_all(fb->dev);
356 static const struct drm_framebuffer_funcs qxl_fb_funcs = {
357 .destroy = qxl_user_framebuffer_destroy,
358 .dirty = qxl_framebuffer_surface_dirty,
360 * .create_handle = qxl_user_framebuffer_create_handle, */
364 qxl_framebuffer_init(struct drm_device *dev,
365 struct qxl_framebuffer *qfb,
366 const struct drm_mode_fb_cmd2 *mode_cmd,
367 struct drm_gem_object *obj,
368 const struct drm_framebuffer_funcs *funcs)
373 drm_helper_mode_fill_fb_struct(dev, &qfb->base, mode_cmd);
374 ret = drm_framebuffer_init(dev, &qfb->base, funcs);
382 static void qxl_crtc_dpms(struct drm_crtc *crtc, int mode)
386 static bool qxl_crtc_mode_fixup(struct drm_crtc *crtc,
387 const struct drm_display_mode *mode,
388 struct drm_display_mode *adjusted_mode)
390 struct drm_device *dev = crtc->dev;
391 struct qxl_device *qdev = dev->dev_private;
393 qxl_io_log(qdev, "%s: (%d,%d) => (%d,%d)\n",
395 mode->hdisplay, mode->vdisplay,
396 adjusted_mode->hdisplay,
397 adjusted_mode->vdisplay);
402 qxl_send_monitors_config(struct qxl_device *qdev)
406 BUG_ON(!qdev->ram_header->monitors_config);
408 if (qdev->monitors_config->count == 0) {
409 qxl_io_log(qdev, "%s: 0 monitors??\n", __func__);
412 for (i = 0 ; i < qdev->monitors_config->count ; ++i) {
413 struct qxl_head *head = &qdev->monitors_config->heads[i];
415 if (head->y > 8192 || head->x > 8192 ||
416 head->width > 8192 || head->height > 8192) {
417 DRM_ERROR("head %d wrong: %dx%d+%d+%d\n",
418 i, head->width, head->height,
423 qxl_io_monitors_config(qdev);
426 static void qxl_monitors_config_set(struct qxl_device *qdev,
428 unsigned x, unsigned y,
429 unsigned width, unsigned height,
432 DRM_DEBUG_KMS("%d:%dx%d+%d+%d\n", index, width, height, x, y);
433 qdev->monitors_config->heads[index].x = x;
434 qdev->monitors_config->heads[index].y = y;
435 qdev->monitors_config->heads[index].width = width;
436 qdev->monitors_config->heads[index].height = height;
437 qdev->monitors_config->heads[index].surface_id = surf_id;
441 void qxl_mode_set_nofb(struct drm_crtc *crtc)
443 struct qxl_device *qdev = crtc->dev->dev_private;
444 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
445 struct drm_display_mode *mode = &crtc->mode;
447 DRM_DEBUG("Mode set (%d,%d)\n",
448 mode->hdisplay, mode->vdisplay);
450 qxl_monitors_config_set(qdev, qcrtc->index, 0, 0,
451 mode->hdisplay, mode->vdisplay, 0);
455 static void qxl_crtc_commit(struct drm_crtc *crtc)
460 static void qxl_crtc_disable(struct drm_crtc *crtc)
462 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
463 struct qxl_device *qdev = crtc->dev->dev_private;
465 qxl_monitors_config_set(qdev, qcrtc->index, 0, 0, 0, 0, 0);
467 qxl_send_monitors_config(qdev);
470 static const struct drm_crtc_helper_funcs qxl_crtc_helper_funcs = {
471 .dpms = qxl_crtc_dpms,
472 .disable = qxl_crtc_disable,
473 .mode_fixup = qxl_crtc_mode_fixup,
474 .mode_set_nofb = qxl_mode_set_nofb,
475 .commit = qxl_crtc_commit,
476 .atomic_flush = qxl_crtc_atomic_flush,
479 int qxl_primary_atomic_check(struct drm_plane *plane,
480 struct drm_plane_state *state)
482 struct qxl_device *qdev = plane->dev->dev_private;
483 struct qxl_framebuffer *qfb;
486 if (!state->crtc || !state->fb)
489 qfb = to_qxl_framebuffer(state->fb);
490 bo = gem_to_qxl_bo(qfb->obj);
492 if (bo->surf.stride * bo->surf.height > qdev->vram_size) {
493 DRM_ERROR("Mode doesn't fit in vram size (vgamem)");
500 static void qxl_primary_atomic_update(struct drm_plane *plane,
501 struct drm_plane_state *old_state)
503 struct qxl_device *qdev = plane->dev->dev_private;
504 struct qxl_framebuffer *qfb =
505 to_qxl_framebuffer(plane->state->fb);
506 struct qxl_framebuffer *qfb_old;
507 struct qxl_bo *bo = gem_to_qxl_bo(qfb->obj);
508 struct qxl_bo *bo_old;
509 struct drm_clip_rect norect = {
512 .x2 = qfb->base.width,
513 .y2 = qfb->base.height
516 if (!old_state->fb) {
518 "create primary fb: %dx%d,%d,%d\n",
519 bo->surf.width, bo->surf.height,
520 bo->surf.stride, bo->surf.format);
522 qxl_io_create_primary(qdev, 0, bo);
523 bo->is_primary = true;
527 qfb_old = to_qxl_framebuffer(old_state->fb);
528 bo_old = gem_to_qxl_bo(qfb_old->obj);
529 bo_old->is_primary = false;
532 bo->is_primary = true;
533 qxl_draw_dirty_fb(qdev, qfb, bo, 0, 0, &norect, 1, 1);
536 static void qxl_primary_atomic_disable(struct drm_plane *plane,
537 struct drm_plane_state *old_state)
539 struct qxl_device *qdev = plane->dev->dev_private;
542 { struct qxl_framebuffer *qfb =
543 to_qxl_framebuffer(old_state->fb);
544 struct qxl_bo *bo = gem_to_qxl_bo(qfb->obj);
546 qxl_io_destroy_primary(qdev);
547 bo->is_primary = false;
551 int qxl_plane_atomic_check(struct drm_plane *plane,
552 struct drm_plane_state *state)
557 static void qxl_cursor_atomic_update(struct drm_plane *plane,
558 struct drm_plane_state *old_state)
560 struct drm_device *dev = plane->dev;
561 struct qxl_device *qdev = dev->dev_private;
562 struct drm_framebuffer *fb = plane->state->fb;
563 struct qxl_release *release;
564 struct qxl_cursor_cmd *cmd;
565 struct qxl_cursor *cursor;
566 struct drm_gem_object *obj;
567 struct qxl_bo *cursor_bo, *user_bo = NULL;
572 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
573 QXL_RELEASE_CURSOR_CMD,
578 cmd = (struct qxl_cursor_cmd *) qxl_release_map(qdev, release);
580 if (fb != old_state->fb) {
581 obj = to_qxl_framebuffer(fb)->obj;
582 user_bo = gem_to_qxl_bo(obj);
584 /* pinning is done in the prepare/cleanup framevbuffer */
585 ret = qxl_bo_kmap(user_bo, &user_ptr);
587 goto out_free_release;
589 ret = qxl_alloc_bo_reserved(qdev, release,
590 sizeof(struct qxl_cursor) + size,
595 ret = qxl_release_reserve_list(release, true);
599 ret = qxl_bo_kmap(cursor_bo, (void **)&cursor);
603 cursor->header.unique = 0;
604 cursor->header.type = SPICE_CURSOR_TYPE_ALPHA;
605 cursor->header.width = 64;
606 cursor->header.height = 64;
607 cursor->header.hot_spot_x = fb->hot_x;
608 cursor->header.hot_spot_y = fb->hot_y;
609 cursor->data_size = size;
610 cursor->chunk.next_chunk = 0;
611 cursor->chunk.prev_chunk = 0;
612 cursor->chunk.data_size = size;
613 memcpy(cursor->chunk.data, user_ptr, size);
614 qxl_bo_kunmap(cursor_bo);
615 qxl_bo_kunmap(user_bo);
617 cmd->u.set.visible = 1;
618 cmd->u.set.shape = qxl_bo_physical_address(qdev,
620 cmd->type = QXL_CURSOR_SET;
623 ret = qxl_release_reserve_list(release, true);
625 goto out_free_release;
627 cmd->type = QXL_CURSOR_MOVE;
630 cmd->u.position.x = plane->state->crtc_x + fb->hot_x;
631 cmd->u.position.y = plane->state->crtc_y + fb->hot_y;
633 qxl_release_unmap(qdev, release, &cmd->release_info);
634 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
635 qxl_release_fence_buffer_objects(release);
640 qxl_release_backoff_reserve_list(release);
642 qxl_bo_unref(&cursor_bo);
644 qxl_bo_kunmap(user_bo);
646 qxl_release_free(qdev, release);
651 void qxl_cursor_atomic_disable(struct drm_plane *plane,
652 struct drm_plane_state *old_state)
654 struct qxl_device *qdev = plane->dev->dev_private;
655 struct qxl_release *release;
656 struct qxl_cursor_cmd *cmd;
659 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
660 QXL_RELEASE_CURSOR_CMD,
665 ret = qxl_release_reserve_list(release, true);
667 qxl_release_free(qdev, release);
671 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
672 cmd->type = QXL_CURSOR_HIDE;
673 qxl_release_unmap(qdev, release, &cmd->release_info);
675 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
676 qxl_release_fence_buffer_objects(release);
679 int qxl_plane_prepare_fb(struct drm_plane *plane,
680 struct drm_plane_state *new_state)
682 struct drm_gem_object *obj;
683 struct qxl_bo *user_bo;
689 obj = to_qxl_framebuffer(new_state->fb)->obj;
690 user_bo = gem_to_qxl_bo(obj);
692 ret = qxl_bo_pin(user_bo, QXL_GEM_DOMAIN_CPU, NULL);
699 static void qxl_plane_cleanup_fb(struct drm_plane *plane,
700 struct drm_plane_state *old_state)
702 struct drm_gem_object *obj;
703 struct qxl_bo *user_bo;
705 if (!plane->state->fb) {
706 /* we never executed prepare_fb, so there's nothing to
712 obj = to_qxl_framebuffer(plane->state->fb)->obj;
713 user_bo = gem_to_qxl_bo(obj);
714 qxl_bo_unpin(user_bo);
717 static const uint32_t qxl_cursor_plane_formats[] = {
721 static const struct drm_plane_helper_funcs qxl_cursor_helper_funcs = {
722 .atomic_check = qxl_plane_atomic_check,
723 .atomic_update = qxl_cursor_atomic_update,
724 .atomic_disable = qxl_cursor_atomic_disable,
725 .prepare_fb = qxl_plane_prepare_fb,
726 .cleanup_fb = qxl_plane_cleanup_fb,
729 static const struct drm_plane_funcs qxl_cursor_plane_funcs = {
730 .update_plane = drm_atomic_helper_update_plane,
731 .disable_plane = drm_atomic_helper_disable_plane,
732 .destroy = drm_primary_helper_destroy,
733 .reset = drm_atomic_helper_plane_reset,
734 .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
735 .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
738 static const uint32_t qxl_primary_plane_formats[] = {
743 static const struct drm_plane_helper_funcs primary_helper_funcs = {
744 .atomic_check = qxl_primary_atomic_check,
745 .atomic_update = qxl_primary_atomic_update,
746 .atomic_disable = qxl_primary_atomic_disable,
747 .prepare_fb = qxl_plane_prepare_fb,
748 .cleanup_fb = qxl_plane_cleanup_fb,
751 static const struct drm_plane_funcs qxl_primary_plane_funcs = {
752 .update_plane = drm_atomic_helper_update_plane,
753 .disable_plane = drm_atomic_helper_disable_plane,
754 .destroy = drm_primary_helper_destroy,
755 .reset = drm_atomic_helper_plane_reset,
756 .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
757 .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
760 static struct drm_plane *qxl_create_plane(struct qxl_device *qdev,
761 unsigned int possible_crtcs,
762 enum drm_plane_type type)
764 const struct drm_plane_helper_funcs *helper_funcs = NULL;
765 struct drm_plane *plane;
766 const struct drm_plane_funcs *funcs;
767 const uint32_t *formats;
771 if (type == DRM_PLANE_TYPE_PRIMARY) {
772 funcs = &qxl_primary_plane_funcs;
773 formats = qxl_primary_plane_formats;
774 num_formats = ARRAY_SIZE(qxl_primary_plane_formats);
775 helper_funcs = &primary_helper_funcs;
776 } else if (type == DRM_PLANE_TYPE_CURSOR) {
777 funcs = &qxl_cursor_plane_funcs;
778 formats = qxl_cursor_plane_formats;
779 helper_funcs = &qxl_cursor_helper_funcs;
780 num_formats = ARRAY_SIZE(qxl_cursor_plane_formats);
782 return ERR_PTR(-EINVAL);
785 plane = kzalloc(sizeof(*plane), GFP_KERNEL);
787 return ERR_PTR(-ENOMEM);
789 err = drm_universal_plane_init(&qdev->ddev, plane, possible_crtcs,
790 funcs, formats, num_formats,
795 drm_plane_helper_add(plane, helper_funcs);
801 return ERR_PTR(-EINVAL);
804 static int qdev_crtc_init(struct drm_device *dev, int crtc_id)
806 struct qxl_crtc *qxl_crtc;
807 struct drm_plane *primary, *cursor;
808 struct qxl_device *qdev = dev->dev_private;
811 qxl_crtc = kzalloc(sizeof(struct qxl_crtc), GFP_KERNEL);
815 primary = qxl_create_plane(qdev, 1 << crtc_id, DRM_PLANE_TYPE_PRIMARY);
816 if (IS_ERR(primary)) {
821 cursor = qxl_create_plane(qdev, 1 << crtc_id, DRM_PLANE_TYPE_CURSOR);
822 if (IS_ERR(cursor)) {
827 r = drm_crtc_init_with_planes(dev, &qxl_crtc->base, primary, cursor,
828 &qxl_crtc_funcs, NULL);
832 qxl_crtc->index = crtc_id;
833 drm_crtc_helper_add(&qxl_crtc->base, &qxl_crtc_helper_funcs);
837 drm_plane_cleanup(cursor);
840 drm_plane_cleanup(primary);
847 static void qxl_enc_dpms(struct drm_encoder *encoder, int mode)
852 static void qxl_enc_prepare(struct drm_encoder *encoder)
857 static void qxl_write_monitors_config_for_encoder(struct qxl_device *qdev,
858 struct drm_encoder *encoder)
861 struct qxl_output *output = drm_encoder_to_qxl_output(encoder);
862 struct qxl_head *head;
863 struct drm_display_mode *mode;
866 /* TODO: ugly, do better */
868 if (!qdev->monitors_config ||
869 qdev->monitors_config->max_allowed <= i) {
871 "head number too large or missing monitors config: %p, %d",
872 qdev->monitors_config,
873 qdev->monitors_config ?
874 qdev->monitors_config->max_allowed : -1);
877 if (!encoder->crtc) {
878 DRM_ERROR("missing crtc on encoder %p\n", encoder);
882 DRM_DEBUG("missing for multiple monitors: no head holes\n");
883 head = &qdev->monitors_config->heads[i];
885 if (encoder->crtc->enabled) {
886 mode = &encoder->crtc->mode;
887 head->width = mode->hdisplay;
888 head->height = mode->vdisplay;
889 head->x = encoder->crtc->x;
890 head->y = encoder->crtc->y;
891 if (qdev->monitors_config->count < i + 1)
892 qdev->monitors_config->count = i + 1;
899 DRM_DEBUG_KMS("setting head %d to +%d+%d %dx%d out of %d\n",
900 i, head->x, head->y, head->width, head->height, qdev->monitors_config->count);
902 /* TODO - somewhere else to call this for multiple monitors
903 * (config_commit?) */
904 qxl_send_monitors_config(qdev);
907 static void qxl_enc_commit(struct drm_encoder *encoder)
909 struct qxl_device *qdev = encoder->dev->dev_private;
911 qxl_write_monitors_config_for_encoder(qdev, encoder);
915 static void qxl_enc_mode_set(struct drm_encoder *encoder,
916 struct drm_display_mode *mode,
917 struct drm_display_mode *adjusted_mode)
922 static int qxl_conn_get_modes(struct drm_connector *connector)
924 unsigned pwidth = 1024;
925 unsigned pheight = 768;
928 ret = qxl_add_monitors_config_modes(connector, &pwidth, &pheight);
931 ret += qxl_add_common_modes(connector, pwidth, pheight);
935 static int qxl_conn_mode_valid(struct drm_connector *connector,
936 struct drm_display_mode *mode)
938 struct drm_device *ddev = connector->dev;
939 struct qxl_device *qdev = ddev->dev_private;
942 /* TODO: is this called for user defined modes? (xrandr --add-mode)
943 * TODO: check that the mode fits in the framebuffer */
945 if(qdev->monitors_config_width == mode->hdisplay &&
946 qdev->monitors_config_height == mode->vdisplay)
949 for (i = 0; i < ARRAY_SIZE(common_modes); i++) {
950 if (common_modes[i].w == mode->hdisplay && common_modes[i].h == mode->vdisplay)
956 static struct drm_encoder *qxl_best_encoder(struct drm_connector *connector)
958 struct qxl_output *qxl_output =
959 drm_connector_to_qxl_output(connector);
962 return &qxl_output->enc;
966 static const struct drm_encoder_helper_funcs qxl_enc_helper_funcs = {
967 .dpms = qxl_enc_dpms,
968 .prepare = qxl_enc_prepare,
969 .mode_set = qxl_enc_mode_set,
970 .commit = qxl_enc_commit,
973 static const struct drm_connector_helper_funcs qxl_connector_helper_funcs = {
974 .get_modes = qxl_conn_get_modes,
975 .mode_valid = qxl_conn_mode_valid,
976 .best_encoder = qxl_best_encoder,
979 static enum drm_connector_status qxl_conn_detect(
980 struct drm_connector *connector,
983 struct qxl_output *output =
984 drm_connector_to_qxl_output(connector);
985 struct drm_device *ddev = connector->dev;
986 struct qxl_device *qdev = ddev->dev_private;
987 bool connected = false;
989 /* The first monitor is always connected */
990 if (!qdev->client_monitors_config) {
991 if (output->index == 0)
994 connected = qdev->client_monitors_config->count > output->index &&
995 qxl_head_enabled(&qdev->client_monitors_config->heads[output->index]);
997 DRM_DEBUG("#%d connected: %d\n", output->index, connected);
999 qxl_monitors_config_set(qdev, output->index, 0, 0, 0, 0, 0);
1001 return connected ? connector_status_connected
1002 : connector_status_disconnected;
1005 static int qxl_conn_set_property(struct drm_connector *connector,
1006 struct drm_property *property,
1013 static void qxl_conn_destroy(struct drm_connector *connector)
1015 struct qxl_output *qxl_output =
1016 drm_connector_to_qxl_output(connector);
1018 drm_connector_unregister(connector);
1019 drm_connector_cleanup(connector);
1023 static const struct drm_connector_funcs qxl_connector_funcs = {
1024 .dpms = drm_helper_connector_dpms,
1025 .detect = qxl_conn_detect,
1026 .fill_modes = drm_helper_probe_single_connector_modes,
1027 .set_property = qxl_conn_set_property,
1028 .destroy = qxl_conn_destroy,
1029 .reset = drm_atomic_helper_connector_reset,
1030 .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
1031 .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
1034 static void qxl_enc_destroy(struct drm_encoder *encoder)
1036 drm_encoder_cleanup(encoder);
1039 static const struct drm_encoder_funcs qxl_enc_funcs = {
1040 .destroy = qxl_enc_destroy,
1043 static int qxl_mode_create_hotplug_mode_update_property(struct qxl_device *qdev)
1045 if (qdev->hotplug_mode_update_property)
1048 qdev->hotplug_mode_update_property =
1049 drm_property_create_range(&qdev->ddev, DRM_MODE_PROP_IMMUTABLE,
1050 "hotplug_mode_update", 0, 1);
1055 static int qdev_output_init(struct drm_device *dev, int num_output)
1057 struct qxl_device *qdev = dev->dev_private;
1058 struct qxl_output *qxl_output;
1059 struct drm_connector *connector;
1060 struct drm_encoder *encoder;
1062 qxl_output = kzalloc(sizeof(struct qxl_output), GFP_KERNEL);
1066 qxl_output->index = num_output;
1068 connector = &qxl_output->base;
1069 encoder = &qxl_output->enc;
1070 drm_connector_init(dev, &qxl_output->base,
1071 &qxl_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL);
1073 drm_encoder_init(dev, &qxl_output->enc, &qxl_enc_funcs,
1074 DRM_MODE_ENCODER_VIRTUAL, NULL);
1076 /* we get HPD via client monitors config */
1077 connector->polled = DRM_CONNECTOR_POLL_HPD;
1078 encoder->possible_crtcs = 1 << num_output;
1079 drm_mode_connector_attach_encoder(&qxl_output->base,
1081 drm_encoder_helper_add(encoder, &qxl_enc_helper_funcs);
1082 drm_connector_helper_add(connector, &qxl_connector_helper_funcs);
1084 drm_object_attach_property(&connector->base,
1085 qdev->hotplug_mode_update_property, 0);
1086 drm_object_attach_property(&connector->base,
1087 dev->mode_config.suggested_x_property, 0);
1088 drm_object_attach_property(&connector->base,
1089 dev->mode_config.suggested_y_property, 0);
1093 static struct drm_framebuffer *
1094 qxl_user_framebuffer_create(struct drm_device *dev,
1095 struct drm_file *file_priv,
1096 const struct drm_mode_fb_cmd2 *mode_cmd)
1098 struct drm_gem_object *obj;
1099 struct qxl_framebuffer *qxl_fb;
1102 obj = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]);
1106 qxl_fb = kzalloc(sizeof(*qxl_fb), GFP_KERNEL);
1110 ret = qxl_framebuffer_init(dev, qxl_fb, mode_cmd, obj, &qxl_fb_funcs);
1113 drm_gem_object_unreference_unlocked(obj);
1117 return &qxl_fb->base;
1120 static const struct drm_mode_config_funcs qxl_mode_funcs = {
1121 .fb_create = qxl_user_framebuffer_create,
1122 .atomic_check = drm_atomic_helper_check,
1123 .atomic_commit = drm_atomic_helper_commit,
1126 int qxl_create_monitors_object(struct qxl_device *qdev)
1129 struct drm_gem_object *gobj;
1130 int max_allowed = qxl_num_crtc;
1131 int monitors_config_size = sizeof(struct qxl_monitors_config) +
1132 max_allowed * sizeof(struct qxl_head);
1134 ret = qxl_gem_object_create(qdev, monitors_config_size, 0,
1135 QXL_GEM_DOMAIN_VRAM,
1136 false, false, NULL, &gobj);
1138 DRM_ERROR("%s: failed to create gem ret=%d\n", __func__, ret);
1141 qdev->monitors_config_bo = gem_to_qxl_bo(gobj);
1143 ret = qxl_bo_pin(qdev->monitors_config_bo, QXL_GEM_DOMAIN_VRAM, NULL);
1147 qxl_bo_kmap(qdev->monitors_config_bo, NULL);
1149 qdev->monitors_config = qdev->monitors_config_bo->kptr;
1150 qdev->ram_header->monitors_config =
1151 qxl_bo_physical_address(qdev, qdev->monitors_config_bo, 0);
1153 memset(qdev->monitors_config, 0, monitors_config_size);
1154 qdev->monitors_config->max_allowed = max_allowed;
1158 int qxl_destroy_monitors_object(struct qxl_device *qdev)
1162 qdev->monitors_config = NULL;
1163 qdev->ram_header->monitors_config = 0;
1165 qxl_bo_kunmap(qdev->monitors_config_bo);
1166 ret = qxl_bo_unpin(qdev->monitors_config_bo);
1170 qxl_bo_unref(&qdev->monitors_config_bo);
1174 int qxl_modeset_init(struct qxl_device *qdev)
1179 drm_mode_config_init(&qdev->ddev);
1181 ret = qxl_create_monitors_object(qdev);
1185 qdev->ddev.mode_config.funcs = (void *)&qxl_mode_funcs;
1187 /* modes will be validated against the framebuffer size */
1188 qdev->ddev.mode_config.min_width = 0;
1189 qdev->ddev.mode_config.min_height = 0;
1190 qdev->ddev.mode_config.max_width = 8192;
1191 qdev->ddev.mode_config.max_height = 8192;
1193 qdev->ddev.mode_config.fb_base = qdev->vram_base;
1195 drm_mode_create_suggested_offset_properties(&qdev->ddev);
1196 qxl_mode_create_hotplug_mode_update_property(qdev);
1198 for (i = 0 ; i < qxl_num_crtc; ++i) {
1199 qdev_crtc_init(&qdev->ddev, i);
1200 qdev_output_init(&qdev->ddev, i);
1203 qxl_display_read_client_monitors_config(qdev);
1204 qdev->mode_info.mode_config_initialized = true;
1206 drm_mode_config_reset(&qdev->ddev);
1208 /* primary surface must be created by this point, to allow
1209 * issuing command queue commands and having them read by
1211 qxl_fbdev_init(qdev);
1215 void qxl_modeset_fini(struct qxl_device *qdev)
1217 qxl_fbdev_fini(qdev);
1219 qxl_destroy_monitors_object(qdev);
1220 if (qdev->mode_info.mode_config_initialized) {
1221 drm_mode_config_cleanup(&qdev->ddev);
1222 qdev->mode_info.mode_config_initialized = false;