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
26 #include <linux/crc32.h>
27 #include <drm/drm_crtc_helper.h>
28 #include <drm/drm_plane_helper.h>
29 #include <drm/drm_atomic_helper.h>
30 #include <drm/drm_atomic.h>
33 #include "qxl_object.h"
35 static bool qxl_head_enabled(struct qxl_head *head)
37 return head->width && head->height;
40 static void qxl_alloc_client_monitors_config(struct qxl_device *qdev, unsigned count)
42 if (qdev->client_monitors_config &&
43 count > qdev->client_monitors_config->count) {
44 kfree(qdev->client_monitors_config);
45 qdev->client_monitors_config = NULL;
47 if (!qdev->client_monitors_config) {
48 qdev->client_monitors_config = kzalloc(
49 sizeof(struct qxl_monitors_config) +
50 sizeof(struct qxl_head) * count, GFP_KERNEL);
51 if (!qdev->client_monitors_config) {
53 "%s: allocation failure for %u heads\n",
58 qdev->client_monitors_config->count = count;
62 MONITORS_CONFIG_MODIFIED,
63 MONITORS_CONFIG_UNCHANGED,
64 MONITORS_CONFIG_BAD_CRC,
67 static int qxl_display_copy_rom_client_monitors_config(struct qxl_device *qdev)
72 int status = MONITORS_CONFIG_UNCHANGED;
74 num_monitors = qdev->rom->client_monitors_config.count;
75 crc = crc32(0, (const uint8_t *)&qdev->rom->client_monitors_config,
76 sizeof(qdev->rom->client_monitors_config));
77 if (crc != qdev->rom->client_monitors_config_crc) {
78 qxl_io_log(qdev, "crc mismatch: have %X (%zd) != %X\n", crc,
79 sizeof(qdev->rom->client_monitors_config),
80 qdev->rom->client_monitors_config_crc);
81 return MONITORS_CONFIG_BAD_CRC;
84 DRM_DEBUG_KMS("no client monitors configured\n");
87 if (num_monitors > qdev->monitors_config->max_allowed) {
88 DRM_DEBUG_KMS("client monitors list will be truncated: %d < %d\n",
89 qdev->monitors_config->max_allowed, num_monitors);
90 num_monitors = qdev->monitors_config->max_allowed;
92 num_monitors = qdev->rom->client_monitors_config.count;
94 if (qdev->client_monitors_config
95 && (num_monitors != qdev->client_monitors_config->count)) {
96 status = MONITORS_CONFIG_MODIFIED;
98 qxl_alloc_client_monitors_config(qdev, num_monitors);
99 /* we copy max from the client but it isn't used */
100 qdev->client_monitors_config->max_allowed =
101 qdev->monitors_config->max_allowed;
102 for (i = 0 ; i < qdev->client_monitors_config->count ; ++i) {
103 struct qxl_urect *c_rect =
104 &qdev->rom->client_monitors_config.heads[i];
105 struct qxl_head *client_head =
106 &qdev->client_monitors_config->heads[i];
107 if (client_head->x != c_rect->left) {
108 client_head->x = c_rect->left;
109 status = MONITORS_CONFIG_MODIFIED;
111 if (client_head->y != c_rect->top) {
112 client_head->y = c_rect->top;
113 status = MONITORS_CONFIG_MODIFIED;
115 if (client_head->width != c_rect->right - c_rect->left) {
116 client_head->width = c_rect->right - c_rect->left;
117 status = MONITORS_CONFIG_MODIFIED;
119 if (client_head->height != c_rect->bottom - c_rect->top) {
120 client_head->height = c_rect->bottom - c_rect->top;
121 status = MONITORS_CONFIG_MODIFIED;
123 if (client_head->surface_id != 0) {
124 client_head->surface_id = 0;
125 status = MONITORS_CONFIG_MODIFIED;
127 if (client_head->id != i) {
129 status = MONITORS_CONFIG_MODIFIED;
131 if (client_head->flags != 0) {
132 client_head->flags = 0;
133 status = MONITORS_CONFIG_MODIFIED;
135 DRM_DEBUG_KMS("read %dx%d+%d+%d\n", client_head->width, client_head->height,
136 client_head->x, client_head->y);
142 static void qxl_update_offset_props(struct qxl_device *qdev)
144 struct drm_device *dev = &qdev->ddev;
145 struct drm_connector *connector;
146 struct qxl_output *output;
147 struct qxl_head *head;
149 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
150 output = drm_connector_to_qxl_output(connector);
152 head = &qdev->client_monitors_config->heads[output->index];
154 drm_object_property_set_value(&connector->base,
155 dev->mode_config.suggested_x_property, head->x);
156 drm_object_property_set_value(&connector->base,
157 dev->mode_config.suggested_y_property, head->y);
161 void qxl_display_read_client_monitors_config(struct qxl_device *qdev)
163 struct drm_device *dev = &qdev->ddev;
166 for (retries = 0; retries < 10; retries++) {
167 status = qxl_display_copy_rom_client_monitors_config(qdev);
168 if (status != MONITORS_CONFIG_BAD_CRC)
172 if (status == MONITORS_CONFIG_BAD_CRC) {
173 qxl_io_log(qdev, "config: bad crc\n");
174 DRM_DEBUG_KMS("ignoring client monitors config: bad crc");
177 if (status == MONITORS_CONFIG_UNCHANGED) {
178 qxl_io_log(qdev, "config: unchanged\n");
179 DRM_DEBUG_KMS("ignoring client monitors config: unchanged");
183 drm_modeset_lock_all(dev);
184 qxl_update_offset_props(qdev);
185 drm_modeset_unlock_all(dev);
186 if (!drm_helper_hpd_irq_event(dev)) {
187 /* notify that the monitor configuration changed, to
188 adjust at the arbitrary resolution */
189 drm_kms_helper_hotplug_event(dev);
193 static int qxl_add_monitors_config_modes(struct drm_connector *connector,
197 struct drm_device *dev = connector->dev;
198 struct qxl_device *qdev = dev->dev_private;
199 struct qxl_output *output = drm_connector_to_qxl_output(connector);
200 int h = output->index;
201 struct drm_display_mode *mode = NULL;
202 struct qxl_head *head;
204 if (!qdev->monitors_config)
206 if (h >= qdev->monitors_config->max_allowed)
208 if (!qdev->client_monitors_config)
210 if (h >= qdev->client_monitors_config->count)
213 head = &qdev->client_monitors_config->heads[h];
214 DRM_DEBUG_KMS("head %d is %dx%d\n", h, head->width, head->height);
216 mode = drm_cvt_mode(dev, head->width, head->height, 60, false, false,
218 mode->type |= DRM_MODE_TYPE_PREFERRED;
219 mode->hdisplay = head->width;
220 mode->vdisplay = head->height;
221 drm_mode_set_name(mode);
222 *pwidth = head->width;
223 *pheight = head->height;
224 drm_mode_probed_add(connector, mode);
225 /* remember the last custom size for mode validation */
226 qdev->monitors_config_width = mode->hdisplay;
227 qdev->monitors_config_height = mode->vdisplay;
231 static struct mode_size {
254 static int qxl_add_common_modes(struct drm_connector *connector,
258 struct drm_device *dev = connector->dev;
259 struct drm_display_mode *mode = NULL;
261 for (i = 0; i < ARRAY_SIZE(common_modes); i++) {
262 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h,
263 60, false, false, false);
264 if (common_modes[i].w == pwidth && common_modes[i].h == pheight)
265 mode->type |= DRM_MODE_TYPE_PREFERRED;
266 drm_mode_probed_add(connector, mode);
271 static void qxl_crtc_atomic_flush(struct drm_crtc *crtc,
272 struct drm_crtc_state *old_crtc_state)
274 struct drm_device *dev = crtc->dev;
275 struct drm_pending_vblank_event *event;
278 if (crtc->state && crtc->state->event) {
279 event = crtc->state->event;
280 crtc->state->event = NULL;
282 spin_lock_irqsave(&dev->event_lock, flags);
283 drm_crtc_send_vblank_event(crtc, event);
284 spin_unlock_irqrestore(&dev->event_lock, flags);
288 static void qxl_crtc_destroy(struct drm_crtc *crtc)
290 struct qxl_crtc *qxl_crtc = to_qxl_crtc(crtc);
292 drm_crtc_cleanup(crtc);
296 static const struct drm_crtc_funcs qxl_crtc_funcs = {
297 .set_config = drm_atomic_helper_set_config,
298 .destroy = qxl_crtc_destroy,
299 .page_flip = drm_atomic_helper_page_flip,
300 .reset = drm_atomic_helper_crtc_reset,
301 .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
302 .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
305 void qxl_user_framebuffer_destroy(struct drm_framebuffer *fb)
307 struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb);
309 drm_gem_object_unreference_unlocked(qxl_fb->obj);
310 drm_framebuffer_cleanup(fb);
314 static int qxl_framebuffer_surface_dirty(struct drm_framebuffer *fb,
315 struct drm_file *file_priv,
316 unsigned flags, unsigned color,
317 struct drm_clip_rect *clips,
320 /* TODO: vmwgfx where this was cribbed from had locking. Why? */
321 struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb);
322 struct qxl_device *qdev = qxl_fb->base.dev->dev_private;
323 struct drm_clip_rect norect;
327 drm_modeset_lock_all(fb->dev);
329 qobj = gem_to_qxl_bo(qxl_fb->obj);
330 /* if we aren't primary surface ignore this */
331 if (!qobj->is_primary) {
332 drm_modeset_unlock_all(fb->dev);
339 norect.x1 = norect.y1 = 0;
340 norect.x2 = fb->width;
341 norect.y2 = fb->height;
342 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
344 inc = 2; /* skip source rects */
347 qxl_draw_dirty_fb(qdev, qxl_fb, qobj, flags, color,
348 clips, num_clips, inc);
350 drm_modeset_unlock_all(fb->dev);
355 static const struct drm_framebuffer_funcs qxl_fb_funcs = {
356 .destroy = qxl_user_framebuffer_destroy,
357 .dirty = qxl_framebuffer_surface_dirty,
359 * .create_handle = qxl_user_framebuffer_create_handle, */
363 qxl_framebuffer_init(struct drm_device *dev,
364 struct qxl_framebuffer *qfb,
365 const struct drm_mode_fb_cmd2 *mode_cmd,
366 struct drm_gem_object *obj,
367 const struct drm_framebuffer_funcs *funcs)
372 drm_helper_mode_fill_fb_struct(dev, &qfb->base, mode_cmd);
373 ret = drm_framebuffer_init(dev, &qfb->base, funcs);
381 static bool qxl_crtc_mode_fixup(struct drm_crtc *crtc,
382 const struct drm_display_mode *mode,
383 struct drm_display_mode *adjusted_mode)
385 struct drm_device *dev = crtc->dev;
386 struct qxl_device *qdev = dev->dev_private;
388 qxl_io_log(qdev, "%s: (%d,%d) => (%d,%d)\n",
390 mode->hdisplay, mode->vdisplay,
391 adjusted_mode->hdisplay,
392 adjusted_mode->vdisplay);
397 qxl_send_monitors_config(struct qxl_device *qdev)
401 BUG_ON(!qdev->ram_header->monitors_config);
403 if (qdev->monitors_config->count == 0) {
404 qxl_io_log(qdev, "%s: 0 monitors??\n", __func__);
407 for (i = 0 ; i < qdev->monitors_config->count ; ++i) {
408 struct qxl_head *head = &qdev->monitors_config->heads[i];
410 if (head->y > 8192 || head->x > 8192 ||
411 head->width > 8192 || head->height > 8192) {
412 DRM_ERROR("head %d wrong: %dx%d+%d+%d\n",
413 i, head->width, head->height,
418 qxl_io_monitors_config(qdev);
421 static void qxl_monitors_config_set(struct qxl_device *qdev,
423 unsigned x, unsigned y,
424 unsigned width, unsigned height,
427 DRM_DEBUG_KMS("%d:%dx%d+%d+%d\n", index, width, height, x, y);
428 qdev->monitors_config->heads[index].x = x;
429 qdev->monitors_config->heads[index].y = y;
430 qdev->monitors_config->heads[index].width = width;
431 qdev->monitors_config->heads[index].height = height;
432 qdev->monitors_config->heads[index].surface_id = surf_id;
436 static void qxl_mode_set_nofb(struct drm_crtc *crtc)
438 struct qxl_device *qdev = crtc->dev->dev_private;
439 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
440 struct drm_display_mode *mode = &crtc->mode;
442 DRM_DEBUG("Mode set (%d,%d)\n",
443 mode->hdisplay, mode->vdisplay);
445 qxl_monitors_config_set(qdev, qcrtc->index, 0, 0,
446 mode->hdisplay, mode->vdisplay, 0);
450 static void qxl_crtc_atomic_enable(struct drm_crtc *crtc,
451 struct drm_crtc_state *old_state)
456 static void qxl_crtc_atomic_disable(struct drm_crtc *crtc,
457 struct drm_crtc_state *old_state)
459 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
460 struct qxl_device *qdev = crtc->dev->dev_private;
462 qxl_monitors_config_set(qdev, qcrtc->index, 0, 0, 0, 0, 0);
464 qxl_send_monitors_config(qdev);
467 static const struct drm_crtc_helper_funcs qxl_crtc_helper_funcs = {
468 .mode_fixup = qxl_crtc_mode_fixup,
469 .mode_set_nofb = qxl_mode_set_nofb,
470 .atomic_flush = qxl_crtc_atomic_flush,
471 .atomic_enable = qxl_crtc_atomic_enable,
472 .atomic_disable = qxl_crtc_atomic_disable,
475 static int qxl_primary_atomic_check(struct drm_plane *plane,
476 struct drm_plane_state *state)
478 struct qxl_device *qdev = plane->dev->dev_private;
479 struct qxl_framebuffer *qfb;
482 if (!state->crtc || !state->fb)
485 qfb = to_qxl_framebuffer(state->fb);
486 bo = gem_to_qxl_bo(qfb->obj);
488 if (bo->surf.stride * bo->surf.height > qdev->vram_size) {
489 DRM_ERROR("Mode doesn't fit in vram size (vgamem)");
496 static void qxl_primary_atomic_update(struct drm_plane *plane,
497 struct drm_plane_state *old_state)
499 struct qxl_device *qdev = plane->dev->dev_private;
500 struct qxl_framebuffer *qfb =
501 to_qxl_framebuffer(plane->state->fb);
502 struct qxl_framebuffer *qfb_old;
503 struct qxl_bo *bo = gem_to_qxl_bo(qfb->obj);
504 struct qxl_bo *bo_old;
505 struct drm_clip_rect norect = {
508 .x2 = qfb->base.width,
509 .y2 = qfb->base.height
513 qfb_old = to_qxl_framebuffer(old_state->fb);
514 bo_old = gem_to_qxl_bo(qfb_old->obj);
522 if (bo_old && bo_old->is_primary) {
523 qxl_io_destroy_primary(qdev);
524 bo_old->is_primary = false;
527 if (!bo->is_primary) {
528 qxl_io_create_primary(qdev, 0, bo);
529 bo->is_primary = true;
531 qxl_draw_dirty_fb(qdev, qfb, bo, 0, 0, &norect, 1, 1);
534 static void qxl_primary_atomic_disable(struct drm_plane *plane,
535 struct drm_plane_state *old_state)
537 struct qxl_device *qdev = plane->dev->dev_private;
540 struct qxl_framebuffer *qfb =
541 to_qxl_framebuffer(old_state->fb);
542 struct qxl_bo *bo = gem_to_qxl_bo(qfb->obj);
544 if (bo->is_primary) {
545 qxl_io_destroy_primary(qdev);
546 bo->is_primary = false;
551 static 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 if (fb != old_state->fb) {
579 obj = to_qxl_framebuffer(fb)->obj;
580 user_bo = gem_to_qxl_bo(obj);
582 /* pinning is done in the prepare/cleanup framevbuffer */
583 ret = qxl_bo_kmap(user_bo, &user_ptr);
585 goto out_free_release;
587 ret = qxl_alloc_bo_reserved(qdev, release,
588 sizeof(struct qxl_cursor) + size,
593 ret = qxl_release_reserve_list(release, true);
597 ret = qxl_bo_kmap(cursor_bo, (void **)&cursor);
601 cursor->header.unique = 0;
602 cursor->header.type = SPICE_CURSOR_TYPE_ALPHA;
603 cursor->header.width = 64;
604 cursor->header.height = 64;
605 cursor->header.hot_spot_x = fb->hot_x;
606 cursor->header.hot_spot_y = fb->hot_y;
607 cursor->data_size = size;
608 cursor->chunk.next_chunk = 0;
609 cursor->chunk.prev_chunk = 0;
610 cursor->chunk.data_size = size;
611 memcpy(cursor->chunk.data, user_ptr, size);
612 qxl_bo_kunmap(cursor_bo);
613 qxl_bo_kunmap(user_bo);
615 cmd = (struct qxl_cursor_cmd *) qxl_release_map(qdev, release);
616 cmd->u.set.visible = 1;
617 cmd->u.set.shape = qxl_bo_physical_address(qdev,
619 cmd->type = QXL_CURSOR_SET;
622 ret = qxl_release_reserve_list(release, true);
624 goto out_free_release;
626 cmd = (struct qxl_cursor_cmd *) qxl_release_map(qdev, 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 static 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 static 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 (!old_state->fb) {
707 * we never executed prepare_fb, so there's nothing to
713 obj = to_qxl_framebuffer(old_state->fb)->obj;
714 user_bo = gem_to_qxl_bo(obj);
715 qxl_bo_unpin(user_bo);
718 static const uint32_t qxl_cursor_plane_formats[] = {
722 static const struct drm_plane_helper_funcs qxl_cursor_helper_funcs = {
723 .atomic_check = qxl_plane_atomic_check,
724 .atomic_update = qxl_cursor_atomic_update,
725 .atomic_disable = qxl_cursor_atomic_disable,
726 .prepare_fb = qxl_plane_prepare_fb,
727 .cleanup_fb = qxl_plane_cleanup_fb,
730 static const struct drm_plane_funcs qxl_cursor_plane_funcs = {
731 .update_plane = drm_atomic_helper_update_plane,
732 .disable_plane = drm_atomic_helper_disable_plane,
733 .destroy = drm_primary_helper_destroy,
734 .reset = drm_atomic_helper_plane_reset,
735 .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
736 .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
739 static const uint32_t qxl_primary_plane_formats[] = {
744 static const struct drm_plane_helper_funcs primary_helper_funcs = {
745 .atomic_check = qxl_primary_atomic_check,
746 .atomic_update = qxl_primary_atomic_update,
747 .atomic_disable = qxl_primary_atomic_disable,
748 .prepare_fb = qxl_plane_prepare_fb,
749 .cleanup_fb = qxl_plane_cleanup_fb,
752 static const struct drm_plane_funcs qxl_primary_plane_funcs = {
753 .update_plane = drm_atomic_helper_update_plane,
754 .disable_plane = drm_atomic_helper_disable_plane,
755 .destroy = drm_primary_helper_destroy,
756 .reset = drm_atomic_helper_plane_reset,
757 .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
758 .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
761 static struct drm_plane *qxl_create_plane(struct qxl_device *qdev,
762 unsigned int possible_crtcs,
763 enum drm_plane_type type)
765 const struct drm_plane_helper_funcs *helper_funcs = NULL;
766 struct drm_plane *plane;
767 const struct drm_plane_funcs *funcs;
768 const uint32_t *formats;
772 if (type == DRM_PLANE_TYPE_PRIMARY) {
773 funcs = &qxl_primary_plane_funcs;
774 formats = qxl_primary_plane_formats;
775 num_formats = ARRAY_SIZE(qxl_primary_plane_formats);
776 helper_funcs = &primary_helper_funcs;
777 } else if (type == DRM_PLANE_TYPE_CURSOR) {
778 funcs = &qxl_cursor_plane_funcs;
779 formats = qxl_cursor_plane_formats;
780 helper_funcs = &qxl_cursor_helper_funcs;
781 num_formats = ARRAY_SIZE(qxl_cursor_plane_formats);
783 return ERR_PTR(-EINVAL);
786 plane = kzalloc(sizeof(*plane), GFP_KERNEL);
788 return ERR_PTR(-ENOMEM);
790 err = drm_universal_plane_init(&qdev->ddev, plane, possible_crtcs,
791 funcs, formats, num_formats,
796 drm_plane_helper_add(plane, helper_funcs);
802 return ERR_PTR(-EINVAL);
805 static int qdev_crtc_init(struct drm_device *dev, int crtc_id)
807 struct qxl_crtc *qxl_crtc;
808 struct drm_plane *primary, *cursor;
809 struct qxl_device *qdev = dev->dev_private;
812 qxl_crtc = kzalloc(sizeof(struct qxl_crtc), GFP_KERNEL);
816 primary = qxl_create_plane(qdev, 1 << crtc_id, DRM_PLANE_TYPE_PRIMARY);
817 if (IS_ERR(primary)) {
822 cursor = qxl_create_plane(qdev, 1 << crtc_id, DRM_PLANE_TYPE_CURSOR);
823 if (IS_ERR(cursor)) {
828 r = drm_crtc_init_with_planes(dev, &qxl_crtc->base, primary, cursor,
829 &qxl_crtc_funcs, NULL);
833 qxl_crtc->index = crtc_id;
834 drm_crtc_helper_add(&qxl_crtc->base, &qxl_crtc_helper_funcs);
838 drm_plane_cleanup(cursor);
841 drm_plane_cleanup(primary);
848 static void qxl_enc_dpms(struct drm_encoder *encoder, int mode)
853 static void qxl_enc_prepare(struct drm_encoder *encoder)
858 static void qxl_write_monitors_config_for_encoder(struct qxl_device *qdev,
859 struct drm_encoder *encoder)
862 struct qxl_output *output = drm_encoder_to_qxl_output(encoder);
863 struct qxl_head *head;
864 struct drm_display_mode *mode;
867 /* TODO: ugly, do better */
869 if (!qdev->monitors_config ||
870 qdev->monitors_config->max_allowed <= i) {
872 "head number too large or missing monitors config: %p, %d",
873 qdev->monitors_config,
874 qdev->monitors_config ?
875 qdev->monitors_config->max_allowed : -1);
878 if (!encoder->crtc) {
879 DRM_ERROR("missing crtc on encoder %p\n", encoder);
883 DRM_DEBUG("missing for multiple monitors: no head holes\n");
884 head = &qdev->monitors_config->heads[i];
886 if (encoder->crtc->enabled) {
887 mode = &encoder->crtc->mode;
888 head->width = mode->hdisplay;
889 head->height = mode->vdisplay;
890 head->x = encoder->crtc->x;
891 head->y = encoder->crtc->y;
892 if (qdev->monitors_config->count < i + 1)
893 qdev->monitors_config->count = i + 1;
900 DRM_DEBUG_KMS("setting head %d to +%d+%d %dx%d out of %d\n",
901 i, head->x, head->y, head->width, head->height, qdev->monitors_config->count);
903 /* TODO - somewhere else to call this for multiple monitors
904 * (config_commit?) */
905 qxl_send_monitors_config(qdev);
908 static void qxl_enc_commit(struct drm_encoder *encoder)
910 struct qxl_device *qdev = encoder->dev->dev_private;
912 qxl_write_monitors_config_for_encoder(qdev, encoder);
916 static void qxl_enc_mode_set(struct drm_encoder *encoder,
917 struct drm_display_mode *mode,
918 struct drm_display_mode *adjusted_mode)
923 static int qxl_conn_get_modes(struct drm_connector *connector)
925 unsigned pwidth = 1024;
926 unsigned pheight = 768;
929 ret = qxl_add_monitors_config_modes(connector, &pwidth, &pheight);
932 ret += qxl_add_common_modes(connector, pwidth, pheight);
936 static int qxl_conn_mode_valid(struct drm_connector *connector,
937 struct drm_display_mode *mode)
939 struct drm_device *ddev = connector->dev;
940 struct qxl_device *qdev = ddev->dev_private;
943 /* TODO: is this called for user defined modes? (xrandr --add-mode)
944 * TODO: check that the mode fits in the framebuffer */
946 if(qdev->monitors_config_width == mode->hdisplay &&
947 qdev->monitors_config_height == mode->vdisplay)
950 for (i = 0; i < ARRAY_SIZE(common_modes); i++) {
951 if (common_modes[i].w == mode->hdisplay && common_modes[i].h == mode->vdisplay)
957 static struct drm_encoder *qxl_best_encoder(struct drm_connector *connector)
959 struct qxl_output *qxl_output =
960 drm_connector_to_qxl_output(connector);
963 return &qxl_output->enc;
967 static const struct drm_encoder_helper_funcs qxl_enc_helper_funcs = {
968 .dpms = qxl_enc_dpms,
969 .prepare = qxl_enc_prepare,
970 .mode_set = qxl_enc_mode_set,
971 .commit = qxl_enc_commit,
974 static const struct drm_connector_helper_funcs qxl_connector_helper_funcs = {
975 .get_modes = qxl_conn_get_modes,
976 .mode_valid = qxl_conn_mode_valid,
977 .best_encoder = qxl_best_encoder,
980 static enum drm_connector_status qxl_conn_detect(
981 struct drm_connector *connector,
984 struct qxl_output *output =
985 drm_connector_to_qxl_output(connector);
986 struct drm_device *ddev = connector->dev;
987 struct qxl_device *qdev = ddev->dev_private;
988 bool connected = false;
990 /* The first monitor is always connected */
991 if (!qdev->client_monitors_config) {
992 if (output->index == 0)
995 connected = qdev->client_monitors_config->count > output->index &&
996 qxl_head_enabled(&qdev->client_monitors_config->heads[output->index]);
998 DRM_DEBUG("#%d connected: %d\n", output->index, connected);
1000 qxl_monitors_config_set(qdev, output->index, 0, 0, 0, 0, 0);
1002 return connected ? connector_status_connected
1003 : connector_status_disconnected;
1006 static int qxl_conn_set_property(struct drm_connector *connector,
1007 struct drm_property *property,
1014 static void qxl_conn_destroy(struct drm_connector *connector)
1016 struct qxl_output *qxl_output =
1017 drm_connector_to_qxl_output(connector);
1019 drm_connector_unregister(connector);
1020 drm_connector_cleanup(connector);
1024 static const struct drm_connector_funcs qxl_connector_funcs = {
1025 .dpms = drm_helper_connector_dpms,
1026 .detect = qxl_conn_detect,
1027 .fill_modes = drm_helper_probe_single_connector_modes,
1028 .set_property = qxl_conn_set_property,
1029 .destroy = qxl_conn_destroy,
1030 .reset = drm_atomic_helper_connector_reset,
1031 .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
1032 .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
1035 static void qxl_enc_destroy(struct drm_encoder *encoder)
1037 drm_encoder_cleanup(encoder);
1040 static const struct drm_encoder_funcs qxl_enc_funcs = {
1041 .destroy = qxl_enc_destroy,
1044 static int qxl_mode_create_hotplug_mode_update_property(struct qxl_device *qdev)
1046 if (qdev->hotplug_mode_update_property)
1049 qdev->hotplug_mode_update_property =
1050 drm_property_create_range(&qdev->ddev, DRM_MODE_PROP_IMMUTABLE,
1051 "hotplug_mode_update", 0, 1);
1056 static int qdev_output_init(struct drm_device *dev, int num_output)
1058 struct qxl_device *qdev = dev->dev_private;
1059 struct qxl_output *qxl_output;
1060 struct drm_connector *connector;
1061 struct drm_encoder *encoder;
1063 qxl_output = kzalloc(sizeof(struct qxl_output), GFP_KERNEL);
1067 qxl_output->index = num_output;
1069 connector = &qxl_output->base;
1070 encoder = &qxl_output->enc;
1071 drm_connector_init(dev, &qxl_output->base,
1072 &qxl_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL);
1074 drm_encoder_init(dev, &qxl_output->enc, &qxl_enc_funcs,
1075 DRM_MODE_ENCODER_VIRTUAL, NULL);
1077 /* we get HPD via client monitors config */
1078 connector->polled = DRM_CONNECTOR_POLL_HPD;
1079 encoder->possible_crtcs = 1 << num_output;
1080 drm_mode_connector_attach_encoder(&qxl_output->base,
1082 drm_encoder_helper_add(encoder, &qxl_enc_helper_funcs);
1083 drm_connector_helper_add(connector, &qxl_connector_helper_funcs);
1085 drm_object_attach_property(&connector->base,
1086 qdev->hotplug_mode_update_property, 0);
1087 drm_object_attach_property(&connector->base,
1088 dev->mode_config.suggested_x_property, 0);
1089 drm_object_attach_property(&connector->base,
1090 dev->mode_config.suggested_y_property, 0);
1094 static struct drm_framebuffer *
1095 qxl_user_framebuffer_create(struct drm_device *dev,
1096 struct drm_file *file_priv,
1097 const struct drm_mode_fb_cmd2 *mode_cmd)
1099 struct drm_gem_object *obj;
1100 struct qxl_framebuffer *qxl_fb;
1103 obj = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]);
1107 qxl_fb = kzalloc(sizeof(*qxl_fb), GFP_KERNEL);
1111 ret = qxl_framebuffer_init(dev, qxl_fb, mode_cmd, obj, &qxl_fb_funcs);
1114 drm_gem_object_unreference_unlocked(obj);
1118 return &qxl_fb->base;
1121 static const struct drm_mode_config_funcs qxl_mode_funcs = {
1122 .fb_create = qxl_user_framebuffer_create,
1123 .atomic_check = drm_atomic_helper_check,
1124 .atomic_commit = drm_atomic_helper_commit,
1127 int qxl_create_monitors_object(struct qxl_device *qdev)
1130 struct drm_gem_object *gobj;
1131 int max_allowed = qxl_num_crtc;
1132 int monitors_config_size = sizeof(struct qxl_monitors_config) +
1133 max_allowed * sizeof(struct qxl_head);
1135 ret = qxl_gem_object_create(qdev, monitors_config_size, 0,
1136 QXL_GEM_DOMAIN_VRAM,
1137 false, false, NULL, &gobj);
1139 DRM_ERROR("%s: failed to create gem ret=%d\n", __func__, ret);
1142 qdev->monitors_config_bo = gem_to_qxl_bo(gobj);
1144 ret = qxl_bo_pin(qdev->monitors_config_bo, QXL_GEM_DOMAIN_VRAM, NULL);
1148 qxl_bo_kmap(qdev->monitors_config_bo, NULL);
1150 qdev->monitors_config = qdev->monitors_config_bo->kptr;
1151 qdev->ram_header->monitors_config =
1152 qxl_bo_physical_address(qdev, qdev->monitors_config_bo, 0);
1154 memset(qdev->monitors_config, 0, monitors_config_size);
1155 qdev->monitors_config->max_allowed = max_allowed;
1159 int qxl_destroy_monitors_object(struct qxl_device *qdev)
1163 qdev->monitors_config = NULL;
1164 qdev->ram_header->monitors_config = 0;
1166 qxl_bo_kunmap(qdev->monitors_config_bo);
1167 ret = qxl_bo_unpin(qdev->monitors_config_bo);
1171 qxl_bo_unref(&qdev->monitors_config_bo);
1175 int qxl_modeset_init(struct qxl_device *qdev)
1180 drm_mode_config_init(&qdev->ddev);
1182 ret = qxl_create_monitors_object(qdev);
1186 qdev->ddev.mode_config.funcs = (void *)&qxl_mode_funcs;
1188 /* modes will be validated against the framebuffer size */
1189 qdev->ddev.mode_config.min_width = 0;
1190 qdev->ddev.mode_config.min_height = 0;
1191 qdev->ddev.mode_config.max_width = 8192;
1192 qdev->ddev.mode_config.max_height = 8192;
1194 qdev->ddev.mode_config.fb_base = qdev->vram_base;
1196 drm_mode_create_suggested_offset_properties(&qdev->ddev);
1197 qxl_mode_create_hotplug_mode_update_property(qdev);
1199 for (i = 0 ; i < qxl_num_crtc; ++i) {
1200 qdev_crtc_init(&qdev->ddev, i);
1201 qdev_output_init(&qdev->ddev, i);
1204 qxl_display_read_client_monitors_config(qdev);
1205 qdev->mode_info.mode_config_initialized = true;
1207 drm_mode_config_reset(&qdev->ddev);
1209 /* primary surface must be created by this point, to allow
1210 * issuing command queue commands and having them read by
1212 qxl_fbdev_init(qdev);
1216 void qxl_modeset_fini(struct qxl_device *qdev)
1218 qxl_fbdev_fini(qdev);
1220 qxl_destroy_monitors_object(qdev);
1221 if (qdev->mode_info.mode_config_initialized) {
1222 drm_mode_config_cleanup(&qdev->ddev);
1223 qdev->mode_info.mode_config_initialized = false;