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 <linux/delay.h>
28 #include <linux/iosys-map.h>
30 #include <drm/drm_drv.h>
31 #include <drm/drm_atomic.h>
32 #include <drm/drm_atomic_helper.h>
33 #include <drm/drm_gem_framebuffer_helper.h>
34 #include <drm/drm_plane_helper.h>
35 #include <drm/drm_probe_helper.h>
36 #include <drm/drm_simple_kms_helper.h>
37 #include <drm/drm_gem_atomic_helper.h>
40 #include "qxl_object.h"
42 static bool qxl_head_enabled(struct qxl_head *head)
44 return head->width && head->height;
47 static int qxl_alloc_client_monitors_config(struct qxl_device *qdev,
50 if (qdev->client_monitors_config &&
51 count > qdev->client_monitors_config->count) {
52 kfree(qdev->client_monitors_config);
53 qdev->client_monitors_config = NULL;
55 if (!qdev->client_monitors_config) {
56 qdev->client_monitors_config = kzalloc(
57 struct_size(qdev->client_monitors_config,
58 heads, count), GFP_KERNEL);
59 if (!qdev->client_monitors_config)
62 qdev->client_monitors_config->count = count;
67 MONITORS_CONFIG_MODIFIED,
68 MONITORS_CONFIG_UNCHANGED,
69 MONITORS_CONFIG_BAD_CRC,
70 MONITORS_CONFIG_ERROR,
73 static int qxl_display_copy_rom_client_monitors_config(struct qxl_device *qdev)
78 int status = MONITORS_CONFIG_UNCHANGED;
80 num_monitors = qdev->rom->client_monitors_config.count;
81 crc = crc32(0, (const uint8_t *)&qdev->rom->client_monitors_config,
82 sizeof(qdev->rom->client_monitors_config));
83 if (crc != qdev->rom->client_monitors_config_crc)
84 return MONITORS_CONFIG_BAD_CRC;
86 DRM_DEBUG_KMS("no client monitors configured\n");
89 if (num_monitors > qxl_num_crtc) {
90 DRM_DEBUG_KMS("client monitors list will be truncated: %d < %d\n",
91 qxl_num_crtc, num_monitors);
92 num_monitors = qxl_num_crtc;
94 num_monitors = qdev->rom->client_monitors_config.count;
96 if (qdev->client_monitors_config
97 && (num_monitors != qdev->client_monitors_config->count)) {
98 status = MONITORS_CONFIG_MODIFIED;
100 if (qxl_alloc_client_monitors_config(qdev, num_monitors)) {
101 status = MONITORS_CONFIG_ERROR;
104 /* we copy max from the client but it isn't used */
105 qdev->client_monitors_config->max_allowed = qxl_num_crtc;
106 for (i = 0 ; i < qdev->client_monitors_config->count ; ++i) {
107 struct qxl_urect *c_rect =
108 &qdev->rom->client_monitors_config.heads[i];
109 struct qxl_head *client_head =
110 &qdev->client_monitors_config->heads[i];
111 if (client_head->x != c_rect->left) {
112 client_head->x = c_rect->left;
113 status = MONITORS_CONFIG_MODIFIED;
115 if (client_head->y != c_rect->top) {
116 client_head->y = c_rect->top;
117 status = MONITORS_CONFIG_MODIFIED;
119 if (client_head->width != c_rect->right - c_rect->left) {
120 client_head->width = c_rect->right - c_rect->left;
121 status = MONITORS_CONFIG_MODIFIED;
123 if (client_head->height != c_rect->bottom - c_rect->top) {
124 client_head->height = c_rect->bottom - c_rect->top;
125 status = MONITORS_CONFIG_MODIFIED;
127 if (client_head->surface_id != 0) {
128 client_head->surface_id = 0;
129 status = MONITORS_CONFIG_MODIFIED;
131 if (client_head->id != i) {
133 status = MONITORS_CONFIG_MODIFIED;
135 if (client_head->flags != 0) {
136 client_head->flags = 0;
137 status = MONITORS_CONFIG_MODIFIED;
139 DRM_DEBUG_KMS("read %dx%d+%d+%d\n", client_head->width, client_head->height,
140 client_head->x, client_head->y);
146 static void qxl_update_offset_props(struct qxl_device *qdev)
148 struct drm_device *dev = &qdev->ddev;
149 struct drm_connector *connector;
150 struct qxl_output *output;
151 struct qxl_head *head;
153 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
154 output = drm_connector_to_qxl_output(connector);
156 head = &qdev->client_monitors_config->heads[output->index];
158 drm_object_property_set_value(&connector->base,
159 dev->mode_config.suggested_x_property, head->x);
160 drm_object_property_set_value(&connector->base,
161 dev->mode_config.suggested_y_property, head->y);
165 void qxl_display_read_client_monitors_config(struct qxl_device *qdev)
167 struct drm_device *dev = &qdev->ddev;
168 struct drm_modeset_acquire_ctx ctx;
169 int status, retries, ret;
171 for (retries = 0; retries < 10; retries++) {
172 status = qxl_display_copy_rom_client_monitors_config(qdev);
173 if (status != MONITORS_CONFIG_BAD_CRC)
177 if (status == MONITORS_CONFIG_ERROR) {
178 DRM_DEBUG_KMS("ignoring client monitors config: error");
181 if (status == MONITORS_CONFIG_BAD_CRC) {
182 DRM_DEBUG_KMS("ignoring client monitors config: bad crc");
185 if (status == MONITORS_CONFIG_UNCHANGED) {
186 DRM_DEBUG_KMS("ignoring client monitors config: unchanged");
190 DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE, ret);
191 qxl_update_offset_props(qdev);
192 DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
193 if (!drm_helper_hpd_irq_event(dev)) {
194 /* notify that the monitor configuration changed, to
195 adjust at the arbitrary resolution */
196 drm_kms_helper_hotplug_event(dev);
200 static int qxl_check_mode(struct qxl_device *qdev,
207 if (check_mul_overflow(width, 4u, &stride))
209 if (check_mul_overflow(stride, height, &size))
211 if (size > qdev->vram_size)
216 static int qxl_check_framebuffer(struct qxl_device *qdev,
219 return qxl_check_mode(qdev, bo->surf.width, bo->surf.height);
222 static int qxl_add_mode(struct drm_connector *connector,
227 struct drm_device *dev = connector->dev;
228 struct qxl_device *qdev = to_qxl(dev);
229 struct drm_display_mode *mode = NULL;
232 rc = qxl_check_mode(qdev, width, height);
236 mode = drm_cvt_mode(dev, width, height, 60, false, false, false);
238 mode->type |= DRM_MODE_TYPE_PREFERRED;
239 mode->hdisplay = width;
240 mode->vdisplay = height;
241 drm_mode_set_name(mode);
242 drm_mode_probed_add(connector, mode);
246 static int qxl_add_monitors_config_modes(struct drm_connector *connector)
248 struct drm_device *dev = connector->dev;
249 struct qxl_device *qdev = to_qxl(dev);
250 struct qxl_output *output = drm_connector_to_qxl_output(connector);
251 int h = output->index;
252 struct qxl_head *head;
254 if (!qdev->monitors_config)
256 if (h >= qxl_num_crtc)
258 if (!qdev->client_monitors_config)
260 if (h >= qdev->client_monitors_config->count)
263 head = &qdev->client_monitors_config->heads[h];
264 DRM_DEBUG_KMS("head %d is %dx%d\n", h, head->width, head->height);
266 return qxl_add_mode(connector, head->width, head->height, true);
269 static struct mode_size {
278 static int qxl_add_extra_modes(struct drm_connector *connector)
282 for (i = 0; i < ARRAY_SIZE(extra_modes); i++)
283 ret += qxl_add_mode(connector,
290 static void qxl_send_monitors_config(struct qxl_device *qdev)
294 BUG_ON(!qdev->ram_header->monitors_config);
296 if (qdev->monitors_config->count == 0)
299 for (i = 0 ; i < qdev->monitors_config->count ; ++i) {
300 struct qxl_head *head = &qdev->monitors_config->heads[i];
302 if (head->y > 8192 || head->x > 8192 ||
303 head->width > 8192 || head->height > 8192) {
304 DRM_ERROR("head %d wrong: %dx%d+%d+%d\n",
305 i, head->width, head->height,
310 qxl_io_monitors_config(qdev);
313 static void qxl_crtc_update_monitors_config(struct drm_crtc *crtc,
316 struct drm_device *dev = crtc->dev;
317 struct qxl_device *qdev = to_qxl(dev);
318 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
319 struct qxl_head head;
320 int oldcount, i = qcrtc->index;
322 if (!qdev->primary_bo) {
323 DRM_DEBUG_KMS("no primary surface, skip (%s)\n", reason);
327 if (!qdev->monitors_config || qxl_num_crtc <= i)
333 oldcount = qdev->monitors_config->count;
334 if (crtc->state->active) {
335 struct drm_display_mode *mode = &crtc->mode;
337 head.width = mode->hdisplay;
338 head.height = mode->vdisplay;
341 if (qdev->monitors_config->count < i + 1)
342 qdev->monitors_config->count = i + 1;
343 if (qdev->primary_bo == qdev->dumb_shadow_bo)
344 head.x += qdev->dumb_heads[i].x;
350 if (qdev->monitors_config->count == i + 1)
351 qdev->monitors_config->count = i;
353 DRM_DEBUG_KMS("inactive head 0, skip (%s)\n", reason);
357 if (head.width == qdev->monitors_config->heads[i].width &&
358 head.height == qdev->monitors_config->heads[i].height &&
359 head.x == qdev->monitors_config->heads[i].x &&
360 head.y == qdev->monitors_config->heads[i].y &&
361 oldcount == qdev->monitors_config->count)
364 DRM_DEBUG_KMS("head %d, %dx%d, at +%d+%d, %s (%s)\n",
365 i, head.width, head.height, head.x, head.y,
366 crtc->state->active ? "on" : "off", reason);
367 if (oldcount != qdev->monitors_config->count)
368 DRM_DEBUG_KMS("active heads %d -> %d (%d total)\n",
369 oldcount, qdev->monitors_config->count,
372 qdev->monitors_config->heads[i] = head;
373 qdev->monitors_config->max_allowed = qxl_num_crtc;
374 qxl_send_monitors_config(qdev);
377 static void qxl_crtc_atomic_flush(struct drm_crtc *crtc,
378 struct drm_atomic_state *state)
380 qxl_crtc_update_monitors_config(crtc, "flush");
383 static void qxl_crtc_destroy(struct drm_crtc *crtc)
385 struct qxl_crtc *qxl_crtc = to_qxl_crtc(crtc);
387 qxl_bo_unref(&qxl_crtc->cursor_bo);
388 drm_crtc_cleanup(crtc);
392 static const struct drm_crtc_funcs qxl_crtc_funcs = {
393 .set_config = drm_atomic_helper_set_config,
394 .destroy = qxl_crtc_destroy,
395 .page_flip = drm_atomic_helper_page_flip,
396 .reset = drm_atomic_helper_crtc_reset,
397 .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
398 .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
401 static int qxl_framebuffer_surface_dirty(struct drm_framebuffer *fb,
402 struct drm_file *file_priv,
403 unsigned int flags, unsigned int color,
404 struct drm_clip_rect *clips,
405 unsigned int num_clips)
407 /* TODO: vmwgfx where this was cribbed from had locking. Why? */
408 struct qxl_device *qdev = to_qxl(fb->dev);
409 struct drm_clip_rect norect;
411 struct drm_modeset_acquire_ctx ctx;
415 DRM_MODESET_LOCK_ALL_BEGIN(fb->dev, ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE, ret);
417 qobj = gem_to_qxl_bo(fb->obj[0]);
418 /* if we aren't primary surface ignore this */
419 is_primary = qobj->shadow ? qobj->shadow->is_primary : qobj->is_primary;
426 norect.x1 = norect.y1 = 0;
427 norect.x2 = fb->width;
428 norect.y2 = fb->height;
429 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
431 inc = 2; /* skip source rects */
434 qxl_draw_dirty_fb(qdev, fb, qobj, flags, color,
435 clips, num_clips, inc, 0);
438 DRM_MODESET_LOCK_ALL_END(fb->dev, ctx, ret);
443 static const struct drm_framebuffer_funcs qxl_fb_funcs = {
444 .destroy = drm_gem_fb_destroy,
445 .dirty = qxl_framebuffer_surface_dirty,
446 .create_handle = drm_gem_fb_create_handle,
449 static void qxl_crtc_atomic_enable(struct drm_crtc *crtc,
450 struct drm_atomic_state *state)
452 qxl_crtc_update_monitors_config(crtc, "enable");
455 static void qxl_crtc_atomic_disable(struct drm_crtc *crtc,
456 struct drm_atomic_state *state)
458 qxl_crtc_update_monitors_config(crtc, "disable");
461 static const struct drm_crtc_helper_funcs qxl_crtc_helper_funcs = {
462 .atomic_flush = qxl_crtc_atomic_flush,
463 .atomic_enable = qxl_crtc_atomic_enable,
464 .atomic_disable = qxl_crtc_atomic_disable,
467 static int qxl_primary_atomic_check(struct drm_plane *plane,
468 struct drm_atomic_state *state)
470 struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
472 struct qxl_device *qdev = to_qxl(plane->dev);
475 if (!new_plane_state->crtc || !new_plane_state->fb)
478 bo = gem_to_qxl_bo(new_plane_state->fb->obj[0]);
480 return qxl_check_framebuffer(qdev, bo);
483 static int qxl_primary_apply_cursor(struct qxl_device *qdev,
484 struct drm_plane_state *plane_state)
486 struct drm_framebuffer *fb = plane_state->fb;
487 struct qxl_crtc *qcrtc = to_qxl_crtc(plane_state->crtc);
488 struct qxl_cursor_cmd *cmd;
489 struct qxl_release *release;
492 if (!qcrtc->cursor_bo)
495 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
496 QXL_RELEASE_CURSOR_CMD,
501 ret = qxl_release_list_add(release, qcrtc->cursor_bo);
503 goto out_free_release;
505 ret = qxl_release_reserve_list(release, false);
507 goto out_free_release;
509 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
510 cmd->type = QXL_CURSOR_SET;
511 cmd->u.set.position.x = plane_state->crtc_x + fb->hot_x;
512 cmd->u.set.position.y = plane_state->crtc_y + fb->hot_y;
514 cmd->u.set.shape = qxl_bo_physical_address(qdev, qcrtc->cursor_bo, 0);
516 cmd->u.set.visible = 1;
517 qxl_release_unmap(qdev, release, &cmd->release_info);
519 qxl_release_fence_buffer_objects(release);
520 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
525 qxl_release_free(qdev, release);
529 static int qxl_primary_move_cursor(struct qxl_device *qdev,
530 struct drm_plane_state *plane_state)
532 struct drm_framebuffer *fb = plane_state->fb;
533 struct qxl_crtc *qcrtc = to_qxl_crtc(plane_state->crtc);
534 struct qxl_cursor_cmd *cmd;
535 struct qxl_release *release;
538 if (!qcrtc->cursor_bo)
541 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
542 QXL_RELEASE_CURSOR_CMD,
547 ret = qxl_release_reserve_list(release, true);
549 qxl_release_free(qdev, release);
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 + fb->hot_x;
556 cmd->u.position.y = plane_state->crtc_y + fb->hot_y;
557 qxl_release_unmap(qdev, release, &cmd->release_info);
559 qxl_release_fence_buffer_objects(release);
560 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
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)
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;
578 ret = qxl_bo_create(qdev, sizeof(struct qxl_cursor) + size,
579 false, true, QXL_GEM_DOMAIN_VRAM, 1,
584 ret = qxl_bo_vmap(cursor_bo, &cursor_map);
588 ret = qxl_bo_vmap(user_bo, &user_map);
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);
608 memcpy(cursor_map.vaddr,
609 &cursor, sizeof(cursor));
610 memcpy(cursor_map.vaddr + sizeof(cursor),
611 user_map.vaddr, size);
614 qxl_bo_vunmap(user_bo);
615 qxl_bo_vunmap(cursor_bo);
619 qxl_bo_vunmap(cursor_bo);
621 qxl_bo_unpin(cursor_bo);
622 qxl_bo_unref(&cursor_bo);
627 static void qxl_free_cursor(struct qxl_bo *cursor_bo)
632 qxl_bo_unpin(cursor_bo);
633 qxl_bo_unref(&cursor_bo);
636 static void qxl_primary_atomic_update(struct drm_plane *plane,
637 struct drm_atomic_state *state)
639 struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
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 = {
647 .x2 = new_state->fb->width,
648 .y2 = new_state->fb->height
650 uint32_t dumb_shadow_offset = 0;
652 primary = bo->shadow ? bo->shadow : bo;
654 if (!primary->is_primary) {
655 if (qdev->primary_bo)
656 qxl_io_destroy_primary(qdev);
657 qxl_io_create_primary(qdev, primary);
658 qxl_primary_apply_cursor(qdev, plane->state);
663 qdev->dumb_heads[new_state->crtc->index].x;
665 qxl_draw_dirty_fb(qdev, new_state->fb, bo, 0, 0, &norect, 1, 1,
669 static void qxl_primary_atomic_disable(struct drm_plane *plane,
670 struct drm_atomic_state *state)
672 struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
674 struct qxl_device *qdev = to_qxl(plane->dev);
677 struct qxl_bo *bo = gem_to_qxl_bo(old_state->fb->obj[0]);
682 qxl_io_destroy_primary(qdev);
686 static void qxl_cursor_atomic_update(struct drm_plane *plane,
687 struct drm_atomic_state *state)
689 struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
691 struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
693 struct qxl_device *qdev = to_qxl(plane->dev);
694 struct drm_framebuffer *fb = new_state->fb;
696 if (fb != old_state->fb) {
697 qxl_primary_apply_cursor(qdev, new_state);
699 qxl_primary_move_cursor(qdev, new_state);
703 static void qxl_cursor_atomic_disable(struct drm_plane *plane,
704 struct drm_atomic_state *state)
706 struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
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;
714 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
715 QXL_RELEASE_CURSOR_CMD,
720 ret = qxl_release_reserve_list(release, true);
722 qxl_release_free(qdev, release);
726 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
727 cmd->type = QXL_CURSOR_HIDE;
728 qxl_release_unmap(qdev, release, &cmd->release_info);
730 qxl_release_fence_buffer_objects(release);
731 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
733 qcrtc = to_qxl_crtc(old_state->crtc);
734 qxl_free_cursor(qcrtc->cursor_bo);
735 qcrtc->cursor_bo = NULL;
738 static void qxl_update_dumb_head(struct qxl_device *qdev,
739 int index, struct qxl_bo *bo)
741 uint32_t width, height;
743 if (index >= qdev->monitors_config->max_allowed)
746 if (bo && bo->is_dumb) {
747 width = bo->surf.width;
748 height = bo->surf.height;
754 if (qdev->dumb_heads[index].width == width &&
755 qdev->dumb_heads[index].height == height)
758 DRM_DEBUG("#%d: %dx%d -> %dx%d\n", index,
759 qdev->dumb_heads[index].width,
760 qdev->dumb_heads[index].height,
762 qdev->dumb_heads[index].width = width;
763 qdev->dumb_heads[index].height = height;
766 static void qxl_calc_dumb_shadow(struct qxl_device *qdev,
767 struct qxl_surface *surf)
769 struct qxl_head *head;
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;
780 if (surf->width < 64)
782 if (surf->height < 64)
784 surf->format = SPICE_SURFACE_FMT_32_xRGB;
785 surf->stride = surf->width * 4;
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);
793 static void qxl_prepare_shadow(struct qxl_device *qdev, struct qxl_bo *user_bo,
796 struct qxl_surface surf;
798 qxl_update_dumb_head(qdev, crtc_index,
800 qxl_calc_dumb_shadow(qdev, &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(qdev->dumb_shadow_bo);
807 (&qdev->dumb_shadow_bo->tbo.base);
808 qdev->dumb_shadow_bo = NULL;
810 qxl_bo_create(qdev, surf.height * surf.stride,
811 true, true, QXL_GEM_DOMAIN_SURFACE, 0,
812 &surf, &qdev->dumb_shadow_bo);
814 if (user_bo->shadow != qdev->dumb_shadow_bo) {
815 if (user_bo->shadow) {
816 qxl_bo_unpin(user_bo->shadow);
818 (&user_bo->shadow->tbo.base);
819 user_bo->shadow = NULL;
821 drm_gem_object_get(&qdev->dumb_shadow_bo->tbo.base);
822 user_bo->shadow = qdev->dumb_shadow_bo;
823 qxl_bo_pin(user_bo->shadow);
827 static int qxl_plane_prepare_fb(struct drm_plane *plane,
828 struct drm_plane_state *new_state)
830 struct qxl_device *qdev = to_qxl(plane->dev);
831 struct drm_gem_object *obj;
832 struct qxl_bo *user_bo;
838 obj = new_state->fb->obj[0];
839 user_bo = gem_to_qxl_bo(obj);
841 if (plane->type == DRM_PLANE_TYPE_PRIMARY &&
843 qxl_prepare_shadow(qdev, user_bo, new_state->crtc->index);
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;
851 qcrtc->cursor_bo = qxl_create_cursor(qdev, user_bo,
852 new_state->fb->hot_x,
853 new_state->fb->hot_y);
854 qxl_free_cursor(old_cursor_bo);
857 ret = qxl_bo_pin(user_bo);
861 return drm_gem_plane_helper_prepare_fb(plane, new_state);
864 static void qxl_plane_cleanup_fb(struct drm_plane *plane,
865 struct drm_plane_state *old_state)
867 struct drm_gem_object *obj;
868 struct qxl_bo *user_bo;
870 if (!old_state->fb) {
872 * we never executed prepare_fb, so there's nothing to
878 obj = old_state->fb->obj[0];
879 user_bo = gem_to_qxl_bo(obj);
880 qxl_bo_unpin(user_bo);
882 if (old_state->fb != plane->state->fb && user_bo->shadow) {
883 qxl_bo_unpin(user_bo->shadow);
884 drm_gem_object_put(&user_bo->shadow->tbo.base);
885 user_bo->shadow = NULL;
889 static const uint32_t qxl_cursor_plane_formats[] = {
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,
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_primary_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,
909 static const uint32_t qxl_primary_plane_formats[] = {
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,
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_primary_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,
931 static struct drm_plane *qxl_create_plane(struct qxl_device *qdev,
932 unsigned int possible_crtcs,
933 enum drm_plane_type type)
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;
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);
953 return ERR_PTR(-EINVAL);
956 plane = kzalloc(sizeof(*plane), GFP_KERNEL);
958 return ERR_PTR(-ENOMEM);
960 err = drm_universal_plane_init(&qdev->ddev, plane, possible_crtcs,
961 funcs, formats, num_formats,
966 drm_plane_helper_add(plane, helper_funcs);
972 return ERR_PTR(-EINVAL);
975 static int qdev_crtc_init(struct drm_device *dev, int crtc_id)
977 struct qxl_crtc *qxl_crtc;
978 struct drm_plane *primary, *cursor;
979 struct qxl_device *qdev = to_qxl(dev);
982 qxl_crtc = kzalloc(sizeof(struct qxl_crtc), GFP_KERNEL);
986 primary = qxl_create_plane(qdev, 1 << crtc_id, DRM_PLANE_TYPE_PRIMARY);
987 if (IS_ERR(primary)) {
992 cursor = qxl_create_plane(qdev, 1 << crtc_id, DRM_PLANE_TYPE_CURSOR);
993 if (IS_ERR(cursor)) {
998 r = drm_crtc_init_with_planes(dev, &qxl_crtc->base, primary, cursor,
999 &qxl_crtc_funcs, NULL);
1003 qxl_crtc->index = crtc_id;
1004 drm_crtc_helper_add(&qxl_crtc->base, &qxl_crtc_helper_funcs);
1008 drm_plane_cleanup(cursor);
1011 drm_plane_cleanup(primary);
1018 static int qxl_conn_get_modes(struct drm_connector *connector)
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;
1027 if (qdev->client_monitors_config) {
1028 struct qxl_head *head;
1029 head = &qdev->client_monitors_config->heads[output->index];
1031 pwidth = head->width;
1033 pheight = head->height;
1036 ret += drm_add_modes_noedid(connector, 8192, 8192);
1037 ret += qxl_add_extra_modes(connector);
1038 ret += qxl_add_monitors_config_modes(connector);
1039 drm_set_preferred_mode(connector, pwidth, pheight);
1043 static enum drm_mode_status qxl_conn_mode_valid(struct drm_connector *connector,
1044 struct drm_display_mode *mode)
1046 struct drm_device *ddev = connector->dev;
1047 struct qxl_device *qdev = to_qxl(ddev);
1049 if (qxl_check_mode(qdev, mode->hdisplay, mode->vdisplay) != 0)
1055 static struct drm_encoder *qxl_best_encoder(struct drm_connector *connector)
1057 struct qxl_output *qxl_output =
1058 drm_connector_to_qxl_output(connector);
1061 return &qxl_output->enc;
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,
1070 static enum drm_connector_status qxl_conn_detect(
1071 struct drm_connector *connector,
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;
1080 /* The first monitor is always connected */
1081 if (!qdev->client_monitors_config) {
1082 if (output->index == 0)
1085 connected = qdev->client_monitors_config->count > output->index &&
1086 qxl_head_enabled(&qdev->client_monitors_config->heads[output->index]);
1088 DRM_DEBUG("#%d connected: %d\n", output->index, connected);
1090 return connected ? connector_status_connected
1091 : connector_status_disconnected;
1094 static void qxl_conn_destroy(struct drm_connector *connector)
1096 struct qxl_output *qxl_output =
1097 drm_connector_to_qxl_output(connector);
1099 drm_connector_unregister(connector);
1100 drm_connector_cleanup(connector);
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,
1113 static int qxl_mode_create_hotplug_mode_update_property(struct qxl_device *qdev)
1115 if (qdev->hotplug_mode_update_property)
1118 qdev->hotplug_mode_update_property =
1119 drm_property_create_range(&qdev->ddev, DRM_MODE_PROP_IMMUTABLE,
1120 "hotplug_mode_update", 0, 1);
1125 static int qdev_output_init(struct drm_device *dev, int num_output)
1127 struct qxl_device *qdev = to_qxl(dev);
1128 struct qxl_output *qxl_output;
1129 struct drm_connector *connector;
1130 struct drm_encoder *encoder;
1133 qxl_output = kzalloc(sizeof(struct qxl_output), GFP_KERNEL);
1137 qxl_output->index = num_output;
1139 connector = &qxl_output->base;
1140 encoder = &qxl_output->enc;
1141 drm_connector_init(dev, &qxl_output->base,
1142 &qxl_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL);
1144 ret = drm_simple_encoder_init(dev, &qxl_output->enc,
1145 DRM_MODE_ENCODER_VIRTUAL);
1147 drm_err(dev, "drm_simple_encoder_init() failed, error %d\n",
1149 goto err_drm_connector_cleanup;
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(&qxl_output->base,
1157 drm_connector_helper_add(connector, &qxl_connector_helper_funcs);
1159 drm_object_attach_property(&connector->base,
1160 qdev->hotplug_mode_update_property, 0);
1161 drm_object_attach_property(&connector->base,
1162 dev->mode_config.suggested_x_property, 0);
1163 drm_object_attach_property(&connector->base,
1164 dev->mode_config.suggested_y_property, 0);
1167 err_drm_connector_cleanup:
1168 drm_connector_cleanup(&qxl_output->base);
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)
1178 return drm_gem_fb_create_with_funcs(dev, file_priv, mode_cmd,
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,
1188 int qxl_create_monitors_object(struct qxl_device *qdev)
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);
1196 ret = qxl_gem_object_create(qdev, monitors_config_size, 0,
1197 QXL_GEM_DOMAIN_VRAM,
1198 false, false, NULL, &gobj);
1200 DRM_ERROR("%s: failed to create gem ret=%d\n", __func__, ret);
1203 qdev->monitors_config_bo = gem_to_qxl_bo(gobj);
1205 ret = qxl_bo_vmap(qdev->monitors_config_bo, &map);
1209 qdev->monitors_config = qdev->monitors_config_bo->kptr;
1210 qdev->ram_header->monitors_config =
1211 qxl_bo_physical_address(qdev, qdev->monitors_config_bo, 0);
1213 memset(qdev->monitors_config, 0, monitors_config_size);
1214 qdev->dumb_heads = kcalloc(qxl_num_crtc, sizeof(qdev->dumb_heads[0]),
1216 if (!qdev->dumb_heads) {
1217 qxl_destroy_monitors_object(qdev);
1223 int qxl_destroy_monitors_object(struct qxl_device *qdev)
1227 if (!qdev->monitors_config_bo)
1230 qdev->monitors_config = NULL;
1231 qdev->ram_header->monitors_config = 0;
1233 ret = qxl_bo_vunmap(qdev->monitors_config_bo);
1237 qxl_bo_unref(&qdev->monitors_config_bo);
1241 int qxl_modeset_init(struct qxl_device *qdev)
1246 ret = drmm_mode_config_init(&qdev->ddev);
1250 ret = qxl_create_monitors_object(qdev);
1254 qdev->ddev.mode_config.funcs = (void *)&qxl_mode_funcs;
1256 /* modes will be validated against the framebuffer size */
1257 qdev->ddev.mode_config.min_width = 0;
1258 qdev->ddev.mode_config.min_height = 0;
1259 qdev->ddev.mode_config.max_width = 8192;
1260 qdev->ddev.mode_config.max_height = 8192;
1262 qdev->ddev.mode_config.fb_base = qdev->vram_base;
1264 drm_mode_create_suggested_offset_properties(&qdev->ddev);
1265 qxl_mode_create_hotplug_mode_update_property(qdev);
1267 for (i = 0 ; i < qxl_num_crtc; ++i) {
1268 qdev_crtc_init(&qdev->ddev, i);
1269 qdev_output_init(&qdev->ddev, i);
1272 qxl_display_read_client_monitors_config(qdev);
1274 drm_mode_config_reset(&qdev->ddev);
1278 void qxl_modeset_fini(struct qxl_device *qdev)
1280 if (qdev->dumb_shadow_bo) {
1281 qxl_bo_unpin(qdev->dumb_shadow_bo);
1282 drm_gem_object_put(&qdev->dumb_shadow_bo->tbo.base);
1283 qdev->dumb_shadow_bo = NULL;
1285 qxl_destroy_monitors_object(qdev);