2 * Copyright © 2008-2011 Kristian Høgsberg
3 * Copyright © 2011 Intel Corporation
5 * Permission to use, copy, modify, distribute, and sell this software and
6 * its documentation for any purpose is hereby granted without fee, provided
7 * that the above copyright notice appear in all copies and that both that
8 * copyright notice and this permission notice appear in supporting
9 * documentation, and that the name of the copyright holders not be used in
10 * advertising or publicity pertaining to distribution of the software
11 * without specific, written prior permission. The copyright holders make
12 * no representations about the suitability of this software for any
13 * purpose. It is provided "as is" without express or implied warranty.
15 * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
16 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
17 * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
18 * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
19 * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
20 * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
21 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
32 #include <linux/input.h>
38 #include <xf86drmMode.h>
39 #include <drm_fourcc.h>
42 #include <libbacklight.h>
45 #include "compositor.h"
46 #include "gl-renderer.h"
47 #include "pixman-renderer.h"
48 #include "udev-seat.h"
49 #include "launcher-util.h"
50 #include "vaapi-recorder.h"
52 #ifndef DRM_CAP_TIMESTAMP_MONOTONIC
53 #define DRM_CAP_TIMESTAMP_MONOTONIC 0x6
56 static int option_current_mode = 0;
59 OUTPUT_CONFIG_INVALID = 0,
61 OUTPUT_CONFIG_PREFERRED,
62 OUTPUT_CONFIG_CURRENT,
64 OUTPUT_CONFIG_MODELINE
67 struct drm_compositor {
68 struct weston_compositor base;
71 struct wl_event_source *drm_source;
73 struct udev_monitor *udev_monitor;
74 struct wl_event_source *udev_drm_source;
81 struct gbm_device *gbm;
84 uint32_t crtc_allocator;
85 uint32_t connector_allocator;
88 /* we need these parameters in order to not fail drmModeAddFB2()
89 * due to out of bounds dimensions, and then mistakenly set
92 uint32_t min_width, max_width;
93 uint32_t min_height, max_height;
96 struct wl_list sprite_list;
97 int sprites_are_broken;
100 int cursors_are_broken;
107 struct udev_input input;
111 struct weston_mode base;
112 drmModeModeInfo mode_info;
118 struct drm_output *output;
119 uint32_t fb_id, stride, handle, size;
121 int is_client_buffer;
122 struct weston_buffer_reference buffer_ref;
124 /* Used by gbm fbs */
127 /* Used by dumb fbs */
133 char monitor_name[13];
135 char serial_number[13];
139 struct weston_output base;
143 uint32_t connector_id;
144 drmModeCrtcPtr original_crtc;
145 struct drm_edid edid;
146 drmModePropertyPtr dpms_prop;
149 int page_flip_pending;
151 struct gbm_surface *surface;
152 struct gbm_bo *cursor_bo[2];
153 struct weston_plane cursor_plane;
154 struct weston_plane fb_plane;
155 struct weston_surface *cursor_surface;
157 struct drm_fb *current, *next;
158 struct backlight *backlight;
160 struct drm_fb *dumb[2];
161 pixman_image_t *image[2];
163 pixman_region32_t previous_damage;
165 struct vaapi_recorder *recorder;
166 struct wl_listener recorder_frame_listener;
170 * An output has a primary display plane plus zero or more sprites for
171 * blending display contents.
176 struct weston_plane plane;
178 struct drm_fb *current, *next;
179 struct drm_output *output;
180 struct drm_compositor *compositor;
182 uint32_t possible_crtcs;
184 uint32_t count_formats;
186 int32_t src_x, src_y;
187 uint32_t src_w, src_h;
188 uint32_t dest_x, dest_y;
189 uint32_t dest_w, dest_h;
194 static const char default_seat[] = "seat0";
197 drm_output_set_cursor(struct drm_output *output);
200 drm_sprite_crtc_supported(struct weston_output *output_base, uint32_t supported)
202 struct weston_compositor *ec = output_base->compositor;
203 struct drm_compositor *c =(struct drm_compositor *) ec;
204 struct drm_output *output = (struct drm_output *) output_base;
207 for (crtc = 0; crtc < c->num_crtcs; crtc++) {
208 if (c->crtcs[crtc] != output->crtc_id)
211 if (supported & (1 << crtc))
219 drm_fb_destroy_callback(struct gbm_bo *bo, void *data)
221 struct drm_fb *fb = data;
222 struct gbm_device *gbm = gbm_bo_get_device(bo);
225 drmModeRmFB(gbm_device_get_fd(gbm), fb->fb_id);
227 weston_buffer_reference(&fb->buffer_ref, NULL);
232 static struct drm_fb *
233 drm_fb_create_dumb(struct drm_compositor *ec, unsigned width, unsigned height)
238 struct drm_mode_create_dumb create_arg;
239 struct drm_mode_destroy_dumb destroy_arg;
240 struct drm_mode_map_dumb map_arg;
242 fb = zalloc(sizeof *fb);
246 memset(&create_arg, 0, sizeof create_arg);
248 create_arg.width = width;
249 create_arg.height = height;
251 ret = drmIoctl(ec->drm.fd, DRM_IOCTL_MODE_CREATE_DUMB, &create_arg);
255 fb->handle = create_arg.handle;
256 fb->stride = create_arg.pitch;
257 fb->size = create_arg.size;
260 ret = drmModeAddFB(ec->drm.fd, width, height, 24, 32,
261 fb->stride, fb->handle, &fb->fb_id);
265 memset(&map_arg, 0, sizeof map_arg);
266 map_arg.handle = fb->handle;
267 ret = drmIoctl(fb->fd, DRM_IOCTL_MODE_MAP_DUMB, &map_arg);
271 fb->map = mmap(0, fb->size, PROT_WRITE,
272 MAP_SHARED, ec->drm.fd, map_arg.offset);
273 if (fb->map == MAP_FAILED)
279 drmModeRmFB(ec->drm.fd, fb->fb_id);
281 memset(&destroy_arg, 0, sizeof(destroy_arg));
282 destroy_arg.handle = create_arg.handle;
283 drmIoctl(ec->drm.fd, DRM_IOCTL_MODE_DESTROY_DUMB, &destroy_arg);
290 drm_fb_destroy_dumb(struct drm_fb *fb)
292 struct drm_mode_destroy_dumb destroy_arg;
298 drmModeRmFB(fb->fd, fb->fb_id);
300 weston_buffer_reference(&fb->buffer_ref, NULL);
302 munmap(fb->map, fb->size);
304 memset(&destroy_arg, 0, sizeof(destroy_arg));
305 destroy_arg.handle = fb->handle;
306 drmIoctl(fb->fd, DRM_IOCTL_MODE_DESTROY_DUMB, &destroy_arg);
311 static struct drm_fb *
312 drm_fb_get_from_bo(struct gbm_bo *bo,
313 struct drm_compositor *compositor, uint32_t format)
315 struct drm_fb *fb = gbm_bo_get_user_data(bo);
316 uint32_t width, height;
317 uint32_t handles[4], pitches[4], offsets[4];
323 fb = calloc(1, sizeof *fb);
329 width = gbm_bo_get_width(bo);
330 height = gbm_bo_get_height(bo);
331 fb->stride = gbm_bo_get_stride(bo);
332 fb->handle = gbm_bo_get_handle(bo).u32;
333 fb->size = fb->stride * height;
334 fb->fd = compositor->drm.fd;
336 if (compositor->min_width > width || width > compositor->max_width ||
337 compositor->min_height > height ||
338 height > compositor->max_height) {
339 weston_log("bo geometry out of bounds\n");
345 if (format && !compositor->no_addfb2) {
346 handles[0] = fb->handle;
347 pitches[0] = fb->stride;
350 ret = drmModeAddFB2(compositor->drm.fd, width, height,
351 format, handles, pitches, offsets,
354 weston_log("addfb2 failed: %m\n");
355 compositor->no_addfb2 = 1;
356 compositor->sprites_are_broken = 1;
361 ret = drmModeAddFB(compositor->drm.fd, width, height, 24, 32,
362 fb->stride, fb->handle, &fb->fb_id);
365 weston_log("failed to create kms fb: %m\n");
369 gbm_bo_set_user_data(bo, fb, drm_fb_destroy_callback);
379 drm_fb_set_buffer(struct drm_fb *fb, struct weston_buffer *buffer)
381 assert(fb->buffer_ref.buffer == NULL);
383 fb->is_client_buffer = 1;
385 weston_buffer_reference(&fb->buffer_ref, buffer);
389 drm_output_release_fb(struct drm_output *output, struct drm_fb *fb)
395 (fb != output->dumb[0] && fb != output->dumb[1])) {
396 drm_fb_destroy_dumb(fb);
398 if (fb->is_client_buffer)
399 gbm_bo_destroy(fb->bo);
401 gbm_surface_release_buffer(output->surface,
402 output->current->bo);
407 drm_output_check_scanout_format(struct drm_output *output,
408 struct weston_surface *es, struct gbm_bo *bo)
413 format = gbm_bo_get_format(bo);
416 case GBM_FORMAT_XRGB8888:
418 case GBM_FORMAT_ARGB8888:
419 /* We can only scanout an ARGB buffer if the surface's
420 * opaque region covers the whole output */
421 pixman_region32_init(&r);
422 pixman_region32_subtract(&r, &output->base.region,
425 if (!pixman_region32_not_empty(&r))
426 format = GBM_FORMAT_XRGB8888;
430 pixman_region32_fini(&r);
438 static struct weston_plane *
439 drm_output_prepare_scanout_surface(struct weston_output *_output,
440 struct weston_surface *es)
442 struct drm_output *output = (struct drm_output *) _output;
443 struct drm_compositor *c =
444 (struct drm_compositor *) output->base.compositor;
445 struct weston_buffer *buffer = es->buffer_ref.buffer;
449 if (es->geometry.x != output->base.x ||
450 es->geometry.y != output->base.y ||
451 buffer == NULL || c->gbm == NULL ||
452 buffer->width != output->base.current->width ||
453 buffer->height != output->base.current->height ||
454 output->base.transform != es->buffer_transform ||
455 es->transform.enabled)
458 bo = gbm_bo_import(c->gbm, GBM_BO_IMPORT_WL_BUFFER,
459 buffer->resource, GBM_BO_USE_SCANOUT);
461 /* Unable to use the buffer for scanout */
465 format = drm_output_check_scanout_format(output, es, bo);
471 output->next = drm_fb_get_from_bo(bo, c, format);
477 drm_fb_set_buffer(output->next, buffer);
479 return &output->fb_plane;
483 drm_output_render_gl(struct drm_output *output, pixman_region32_t *damage)
485 struct drm_compositor *c =
486 (struct drm_compositor *) output->base.compositor;
489 c->base.renderer->repaint_output(&output->base, damage);
491 bo = gbm_surface_lock_front_buffer(output->surface);
493 weston_log("failed to lock front buffer: %m\n");
497 output->next = drm_fb_get_from_bo(bo, c, GBM_FORMAT_XRGB8888);
499 weston_log("failed to get drm_fb for bo\n");
500 gbm_surface_release_buffer(output->surface, bo);
506 drm_output_render_pixman(struct drm_output *output, pixman_region32_t *damage)
508 struct weston_compositor *ec = output->base.compositor;
509 pixman_region32_t total_damage, previous_damage;
511 pixman_region32_init(&total_damage);
512 pixman_region32_init(&previous_damage);
514 pixman_region32_copy(&previous_damage, damage);
516 pixman_region32_union(&total_damage, damage, &output->previous_damage);
517 pixman_region32_copy(&output->previous_damage, &previous_damage);
519 output->current_image ^= 1;
521 output->next = output->dumb[output->current_image];
522 pixman_renderer_output_set_buffer(&output->base,
523 output->image[output->current_image]);
525 ec->renderer->repaint_output(&output->base, &total_damage);
527 pixman_region32_fini(&total_damage);
528 pixman_region32_fini(&previous_damage);
532 drm_output_render(struct drm_output *output, pixman_region32_t *damage)
534 struct drm_compositor *c =
535 (struct drm_compositor *) output->base.compositor;
538 drm_output_render_pixman(output, damage);
540 drm_output_render_gl(output, damage);
542 pixman_region32_subtract(&c->base.primary_plane.damage,
543 &c->base.primary_plane.damage, damage);
547 drm_output_set_gamma(struct weston_output *output_base,
548 uint16_t size, uint16_t *r, uint16_t *g, uint16_t *b)
551 struct drm_output *output = (struct drm_output *) output_base;
552 struct drm_compositor *compositor = (struct drm_compositor *) output->base.compositor;
555 if (output_base->gamma_size != size)
557 if (!output->original_crtc)
560 rc = drmModeCrtcSetGamma(compositor->drm.fd,
564 weston_log("set gamma failed: %m\n");
568 drm_output_repaint(struct weston_output *output_base,
569 pixman_region32_t *damage)
571 struct drm_output *output = (struct drm_output *) output_base;
572 struct drm_compositor *compositor =
573 (struct drm_compositor *) output->base.compositor;
574 struct drm_sprite *s;
575 struct drm_mode *mode;
579 drm_output_render(output, damage);
583 mode = container_of(output->base.current, struct drm_mode, base);
584 if (!output->current) {
585 ret = drmModeSetCrtc(compositor->drm.fd, output->crtc_id,
586 output->next->fb_id, 0, 0,
587 &output->connector_id, 1,
590 weston_log("set mode failed: %m\n");
593 output_base->set_dpms(output_base, WESTON_DPMS_ON);
596 if (drmModePageFlip(compositor->drm.fd, output->crtc_id,
598 DRM_MODE_PAGE_FLIP_EVENT, output) < 0) {
599 weston_log("queueing pageflip failed: %m\n");
603 output->page_flip_pending = 1;
605 drm_output_set_cursor(output);
608 * Now, update all the sprite surfaces
610 wl_list_for_each(s, &compositor->sprite_list, link) {
611 uint32_t flags = 0, fb_id = 0;
613 .request.type = DRM_VBLANK_RELATIVE | DRM_VBLANK_EVENT,
614 .request.sequence = 1,
617 if ((!s->current && !s->next) ||
618 !drm_sprite_crtc_supported(output_base, s->possible_crtcs))
621 if (s->next && !compositor->sprites_hidden)
622 fb_id = s->next->fb_id;
624 ret = drmModeSetPlane(compositor->drm.fd, s->plane_id,
625 output->crtc_id, fb_id, flags,
626 s->dest_x, s->dest_y,
627 s->dest_w, s->dest_h,
631 weston_log("setplane failed: %d: %s\n",
632 ret, strerror(errno));
634 if (output->pipe > 0)
635 vbl.request.type |= DRM_VBLANK_SECONDARY;
638 * Queue a vblank signal so we know when the surface
639 * becomes active on the display or has been replaced.
641 vbl.request.signal = (unsigned long)s;
642 ret = drmWaitVBlank(compositor->drm.fd, &vbl);
644 weston_log("vblank event request failed: %d: %s\n",
645 ret, strerror(errno));
649 output->vblank_pending = 1;
656 drm_output_start_repaint_loop(struct weston_output *output_base)
658 struct drm_output *output = (struct drm_output *) output_base;
659 struct drm_compositor *compositor = (struct drm_compositor *)
660 output_base->compositor;
665 if (!output->current) {
666 /* We can't page flip if there's no mode set */
669 clock_gettime(compositor->clock, &ts);
670 msec = ts.tv_sec * 1000 + ts.tv_nsec / 1000000;
671 weston_output_finish_frame(output_base, msec);
675 fb_id = output->current->fb_id;
677 if (drmModePageFlip(compositor->drm.fd, output->crtc_id, fb_id,
678 DRM_MODE_PAGE_FLIP_EVENT, output) < 0) {
679 weston_log("queueing pageflip failed: %m\n");
685 vblank_handler(int fd, unsigned int frame, unsigned int sec, unsigned int usec,
688 struct drm_sprite *s = (struct drm_sprite *)data;
689 struct drm_output *output = s->output;
692 output->vblank_pending = 0;
694 drm_output_release_fb(output, s->current);
695 s->current = s->next;
698 if (!output->page_flip_pending) {
699 msecs = sec * 1000 + usec / 1000;
700 weston_output_finish_frame(&output->base, msecs);
705 page_flip_handler(int fd, unsigned int frame,
706 unsigned int sec, unsigned int usec, void *data)
708 struct drm_output *output = (struct drm_output *) data;
711 /* We don't set page_flip_pending on start_repaint_loop, in that case
712 * we just want to page flip to the current buffer to get an accurate
714 if (output->page_flip_pending) {
715 drm_output_release_fb(output, output->current);
716 output->current = output->next;
720 output->page_flip_pending = 0;
722 if (!output->vblank_pending) {
723 msecs = sec * 1000 + usec / 1000;
724 weston_output_finish_frame(&output->base, msecs);
726 /* We can't call this from frame_notify, because the output's
727 * repaint needed flag is cleared just after that */
728 if (output->recorder)
729 weston_output_schedule_repaint(&output->base);
734 drm_output_check_sprite_format(struct drm_sprite *s,
735 struct weston_surface *es, struct gbm_bo *bo)
739 format = gbm_bo_get_format(bo);
741 if (format == GBM_FORMAT_ARGB8888) {
744 pixman_region32_init_rect(&r, 0, 0,
746 es->geometry.height);
747 pixman_region32_subtract(&r, &r, &es->opaque);
749 if (!pixman_region32_not_empty(&r))
750 format = GBM_FORMAT_XRGB8888;
752 pixman_region32_fini(&r);
755 for (i = 0; i < s->count_formats; i++)
756 if (s->formats[i] == format)
763 drm_surface_transform_supported(struct weston_surface *es)
765 return !es->transform.enabled ||
766 (es->transform.matrix.type < WESTON_MATRIX_TRANSFORM_ROTATE);
769 static struct weston_plane *
770 drm_output_prepare_overlay_surface(struct weston_output *output_base,
771 struct weston_surface *es)
773 struct weston_compositor *ec = output_base->compositor;
774 struct drm_compositor *c =(struct drm_compositor *) ec;
775 struct drm_sprite *s;
778 pixman_region32_t dest_rect, src_rect;
779 pixman_box32_t *box, tbox;
781 wl_fixed_t sx1, sy1, sx2, sy2;
786 if (es->buffer_transform != output_base->transform)
789 if (es->buffer_scale != output_base->scale)
792 if (c->sprites_are_broken)
795 if (es->output_mask != (1u << output_base->id))
798 if (es->buffer_ref.buffer == NULL)
801 if (es->alpha != 1.0f)
804 if (wl_shm_buffer_get(es->buffer_ref.buffer->resource))
807 if (!drm_surface_transform_supported(es))
810 wl_list_for_each(s, &c->sprite_list, link) {
811 if (!drm_sprite_crtc_supported(output_base, s->possible_crtcs))
820 /* No sprites available */
824 bo = gbm_bo_import(c->gbm, GBM_BO_IMPORT_WL_BUFFER,
825 es->buffer_ref.buffer->resource,
830 format = drm_output_check_sprite_format(s, es, bo);
836 s->next = drm_fb_get_from_bo(bo, c, format);
842 drm_fb_set_buffer(s->next, es->buffer_ref.buffer);
844 box = pixman_region32_extents(&es->transform.boundingbox);
845 s->plane.x = box->x1;
846 s->plane.y = box->y1;
849 * Calculate the source & dest rects properly based on actual
850 * position (note the caller has called weston_surface_update_transform()
853 pixman_region32_init(&dest_rect);
854 pixman_region32_intersect(&dest_rect, &es->transform.boundingbox,
855 &output_base->region);
856 pixman_region32_translate(&dest_rect, -output_base->x, -output_base->y);
857 box = pixman_region32_extents(&dest_rect);
858 tbox = weston_transformed_rect(output_base->width,
860 output_base->transform,
865 s->dest_w = tbox.x2 - tbox.x1;
866 s->dest_h = tbox.y2 - tbox.y1;
867 pixman_region32_fini(&dest_rect);
869 pixman_region32_init(&src_rect);
870 pixman_region32_intersect(&src_rect, &es->transform.boundingbox,
871 &output_base->region);
872 box = pixman_region32_extents(&src_rect);
874 weston_surface_from_global_fixed(es,
875 wl_fixed_from_int(box->x1),
876 wl_fixed_from_int(box->y1),
878 weston_surface_from_global_fixed(es,
879 wl_fixed_from_int(box->x2),
880 wl_fixed_from_int(box->y2),
887 if (sx2 > wl_fixed_from_int(es->geometry.width))
888 sx2 = wl_fixed_from_int(es->geometry.width);
889 if (sy2 > wl_fixed_from_int(es->geometry.height))
890 sy2 = wl_fixed_from_int(es->geometry.height);
897 tbox = weston_transformed_rect(wl_fixed_from_int(es->geometry.width),
898 wl_fixed_from_int(es->geometry.height),
899 es->buffer_transform, es->buffer_scale, tbox);
901 s->src_x = tbox.x1 << 8;
902 s->src_y = tbox.y1 << 8;
903 s->src_w = (tbox.x2 - tbox.x1) << 8;
904 s->src_h = (tbox.y2 - tbox.y1) << 8;
905 pixman_region32_fini(&src_rect);
910 static struct weston_plane *
911 drm_output_prepare_cursor_surface(struct weston_output *output_base,
912 struct weston_surface *es)
914 struct drm_compositor *c =
915 (struct drm_compositor *) output_base->compositor;
916 struct drm_output *output = (struct drm_output *) output_base;
920 if (output->base.transform != WL_OUTPUT_TRANSFORM_NORMAL)
922 if (output->cursor_surface)
924 if (es->output_mask != (1u << output_base->id))
926 if (c->cursors_are_broken)
928 if (es->buffer_ref.buffer == NULL ||
929 !wl_shm_buffer_get(es->buffer_ref.buffer->resource) ||
930 es->geometry.width > 64 || es->geometry.height > 64)
933 output->cursor_surface = es;
935 return &output->cursor_plane;
939 drm_output_set_cursor(struct drm_output *output)
941 struct weston_surface *es = output->cursor_surface;
942 struct drm_compositor *c =
943 (struct drm_compositor *) output->base.compositor;
944 EGLint handle, stride;
946 uint32_t buf[64 * 64];
950 output->cursor_surface = NULL;
952 drmModeSetCursor(c->drm.fd, output->crtc_id, 0, 0, 0);
956 if (es->buffer_ref.buffer &&
957 pixman_region32_not_empty(&output->cursor_plane.damage)) {
958 pixman_region32_fini(&output->cursor_plane.damage);
959 pixman_region32_init(&output->cursor_plane.damage);
960 output->current_cursor ^= 1;
961 bo = output->cursor_bo[output->current_cursor];
962 memset(buf, 0, sizeof buf);
963 stride = wl_shm_buffer_get_stride(es->buffer_ref.buffer->shm_buffer);
964 s = wl_shm_buffer_get_data(es->buffer_ref.buffer->shm_buffer);
965 for (i = 0; i < es->geometry.height; i++)
966 memcpy(buf + i * 64, s + i * stride,
967 es->geometry.width * 4);
969 if (gbm_bo_write(bo, buf, sizeof buf) < 0)
970 weston_log("failed update cursor: %m\n");
972 handle = gbm_bo_get_handle(bo).s32;
973 if (drmModeSetCursor(c->drm.fd,
974 output->crtc_id, handle, 64, 64)) {
975 weston_log("failed to set cursor: %m\n");
976 c->cursors_are_broken = 1;
980 x = (es->geometry.x - output->base.x) * output->base.scale;
981 y = (es->geometry.y - output->base.y) * output->base.scale;
982 if (output->cursor_plane.x != x || output->cursor_plane.y != y) {
983 if (drmModeMoveCursor(c->drm.fd, output->crtc_id, x, y)) {
984 weston_log("failed to move cursor: %m\n");
985 c->cursors_are_broken = 1;
988 output->cursor_plane.x = x;
989 output->cursor_plane.y = y;
994 drm_assign_planes(struct weston_output *output)
996 struct drm_compositor *c =
997 (struct drm_compositor *) output->compositor;
998 struct weston_surface *es, *next;
999 pixman_region32_t overlap, surface_overlap;
1000 struct weston_plane *primary, *next_plane;
1003 * Find a surface for each sprite in the output using some heuristics:
1005 * 2) frequency of update
1006 * 3) opacity (though some hw might support alpha blending)
1007 * 4) clipping (this can be fixed with color keys)
1009 * The idea is to save on blitting since this should save power.
1010 * If we can get a large video surface on the sprite for example,
1011 * the main display surface may not need to update at all, and
1012 * the client buffer can be used directly for the sprite surface
1013 * as we do for flipping full screen surfaces.
1015 pixman_region32_init(&overlap);
1016 primary = &c->base.primary_plane;
1017 wl_list_for_each_safe(es, next, &c->base.surface_list, link) {
1018 /* test whether this buffer can ever go into a plane:
1019 * non-shm, or small enough to be a cursor
1021 if ((es->buffer_ref.buffer &&
1022 !wl_shm_buffer_get(es->buffer_ref.buffer->resource)) ||
1023 (es->geometry.width <= 64 && es->geometry.height <= 64))
1024 es->keep_buffer = 1;
1026 es->keep_buffer = 0;
1028 pixman_region32_init(&surface_overlap);
1029 pixman_region32_intersect(&surface_overlap, &overlap,
1030 &es->transform.boundingbox);
1033 if (pixman_region32_not_empty(&surface_overlap))
1034 next_plane = primary;
1035 if (next_plane == NULL)
1036 next_plane = drm_output_prepare_cursor_surface(output, es);
1037 if (next_plane == NULL)
1038 next_plane = drm_output_prepare_scanout_surface(output, es);
1039 if (next_plane == NULL)
1040 next_plane = drm_output_prepare_overlay_surface(output, es);
1041 if (next_plane == NULL)
1042 next_plane = primary;
1043 weston_surface_move_to_plane(es, next_plane);
1044 if (next_plane == primary)
1045 pixman_region32_union(&overlap, &overlap,
1046 &es->transform.boundingbox);
1048 pixman_region32_fini(&surface_overlap);
1050 pixman_region32_fini(&overlap);
1054 drm_output_fini_pixman(struct drm_output *output);
1057 drm_output_destroy(struct weston_output *output_base)
1059 struct drm_output *output = (struct drm_output *) output_base;
1060 struct drm_compositor *c =
1061 (struct drm_compositor *) output->base.compositor;
1062 drmModeCrtcPtr origcrtc = output->original_crtc;
1064 if (output->backlight)
1065 backlight_destroy(output->backlight);
1067 drmModeFreeProperty(output->dpms_prop);
1069 /* Turn off hardware cursor */
1070 drmModeSetCursor(c->drm.fd, output->crtc_id, 0, 0, 0);
1072 /* Restore original CRTC state */
1073 drmModeSetCrtc(c->drm.fd, origcrtc->crtc_id, origcrtc->buffer_id,
1074 origcrtc->x, origcrtc->y,
1075 &output->connector_id, 1, &origcrtc->mode);
1076 drmModeFreeCrtc(origcrtc);
1078 c->crtc_allocator &= ~(1 << output->crtc_id);
1079 c->connector_allocator &= ~(1 << output->connector_id);
1081 if (c->use_pixman) {
1082 drm_output_fini_pixman(output);
1084 gl_renderer_output_destroy(output_base);
1085 gbm_surface_destroy(output->surface);
1088 weston_plane_release(&output->fb_plane);
1089 weston_plane_release(&output->cursor_plane);
1091 weston_output_destroy(&output->base);
1092 wl_list_remove(&output->base.link);
1097 static struct drm_mode *
1098 choose_mode (struct drm_output *output, struct weston_mode *target_mode)
1100 struct drm_mode *tmp_mode = NULL, *mode;
1102 if (output->base.current->width == target_mode->width &&
1103 output->base.current->height == target_mode->height &&
1104 (output->base.current->refresh == target_mode->refresh ||
1105 target_mode->refresh == 0))
1106 return (struct drm_mode *)output->base.current;
1108 wl_list_for_each(mode, &output->base.mode_list, base.link) {
1109 if (mode->mode_info.hdisplay == target_mode->width &&
1110 mode->mode_info.vdisplay == target_mode->height) {
1111 if (mode->mode_info.vrefresh == target_mode->refresh ||
1112 target_mode->refresh == 0) {
1114 } else if (!tmp_mode)
1123 drm_output_init_egl(struct drm_output *output, struct drm_compositor *ec);
1125 drm_output_init_pixman(struct drm_output *output, struct drm_compositor *c);
1128 drm_output_switch_mode(struct weston_output *output_base, struct weston_mode *mode)
1130 struct drm_output *output;
1131 struct drm_mode *drm_mode;
1132 struct drm_compositor *ec;
1134 if (output_base == NULL) {
1135 weston_log("output is NULL.\n");
1140 weston_log("mode is NULL.\n");
1144 ec = (struct drm_compositor *)output_base->compositor;
1145 output = (struct drm_output *)output_base;
1146 drm_mode = choose_mode (output, mode);
1149 weston_log("%s, invalid resolution:%dx%d\n", __func__, mode->width, mode->height);
1153 if (&drm_mode->base == output->base.current)
1156 output->base.current->flags = 0;
1158 output->base.current = &drm_mode->base;
1159 output->base.current->flags =
1160 WL_OUTPUT_MODE_CURRENT | WL_OUTPUT_MODE_PREFERRED;
1162 /* reset rendering stuff. */
1163 drm_output_release_fb(output, output->current);
1164 drm_output_release_fb(output, output->next);
1165 output->current = output->next = NULL;
1167 if (ec->use_pixman) {
1168 drm_output_fini_pixman(output);
1169 if (drm_output_init_pixman(output, ec) < 0) {
1170 weston_log("failed to init output pixman state with "
1175 gl_renderer_output_destroy(&output->base);
1176 gbm_surface_destroy(output->surface);
1178 if (drm_output_init_egl(output, ec) < 0) {
1179 weston_log("failed to init output egl state with "
1189 on_drm_input(int fd, uint32_t mask, void *data)
1191 drmEventContext evctx;
1193 memset(&evctx, 0, sizeof evctx);
1194 evctx.version = DRM_EVENT_CONTEXT_VERSION;
1195 evctx.page_flip_handler = page_flip_handler;
1196 evctx.vblank_handler = vblank_handler;
1197 drmHandleEvent(fd, &evctx);
1203 init_drm(struct drm_compositor *ec, struct udev_device *device)
1205 const char *filename, *sysnum;
1209 sysnum = udev_device_get_sysnum(device);
1211 ec->drm.id = atoi(sysnum);
1212 if (!sysnum || ec->drm.id < 0) {
1213 weston_log("cannot get device sysnum\n");
1217 filename = udev_device_get_devnode(device);
1218 fd = weston_launcher_open(&ec->base, filename, O_RDWR);
1220 /* Probably permissions error */
1221 weston_log("couldn't open %s, skipping\n",
1222 udev_device_get_devnode(device));
1226 weston_log("using %s\n", filename);
1229 ec->drm.filename = strdup(filename);
1231 ret = drmGetCap(fd, DRM_CAP_TIMESTAMP_MONOTONIC, &cap);
1232 if (ret == 0 && cap == 1)
1233 ec->clock = CLOCK_MONOTONIC;
1235 ec->clock = CLOCK_REALTIME;
1241 init_egl(struct drm_compositor *ec)
1243 ec->gbm = gbm_create_device(ec->drm.fd);
1248 if (gl_renderer_create(&ec->base, ec->gbm, gl_renderer_opaque_attribs,
1250 gbm_device_destroy(ec->gbm);
1258 init_pixman(struct drm_compositor *ec)
1260 return pixman_renderer_init(&ec->base);
1263 static struct drm_mode *
1264 drm_output_add_mode(struct drm_output *output, drmModeModeInfo *info)
1266 struct drm_mode *mode;
1269 mode = malloc(sizeof *mode);
1273 mode->base.flags = 0;
1274 mode->base.width = info->hdisplay;
1275 mode->base.height = info->vdisplay;
1277 /* Calculate higher precision (mHz) refresh rate */
1278 refresh = (info->clock * 1000000LL / info->htotal +
1279 info->vtotal / 2) / info->vtotal;
1281 if (info->flags & DRM_MODE_FLAG_INTERLACE)
1283 if (info->flags & DRM_MODE_FLAG_DBLSCAN)
1285 if (info->vscan > 1)
1286 refresh /= info->vscan;
1288 mode->base.refresh = refresh;
1289 mode->mode_info = *info;
1291 if (info->type & DRM_MODE_TYPE_PREFERRED)
1292 mode->base.flags |= WL_OUTPUT_MODE_PREFERRED;
1294 wl_list_insert(output->base.mode_list.prev, &mode->base.link);
1300 drm_subpixel_to_wayland(int drm_value)
1302 switch (drm_value) {
1304 case DRM_MODE_SUBPIXEL_UNKNOWN:
1305 return WL_OUTPUT_SUBPIXEL_UNKNOWN;
1306 case DRM_MODE_SUBPIXEL_NONE:
1307 return WL_OUTPUT_SUBPIXEL_NONE;
1308 case DRM_MODE_SUBPIXEL_HORIZONTAL_RGB:
1309 return WL_OUTPUT_SUBPIXEL_HORIZONTAL_RGB;
1310 case DRM_MODE_SUBPIXEL_HORIZONTAL_BGR:
1311 return WL_OUTPUT_SUBPIXEL_HORIZONTAL_BGR;
1312 case DRM_MODE_SUBPIXEL_VERTICAL_RGB:
1313 return WL_OUTPUT_SUBPIXEL_VERTICAL_RGB;
1314 case DRM_MODE_SUBPIXEL_VERTICAL_BGR:
1315 return WL_OUTPUT_SUBPIXEL_VERTICAL_BGR;
1319 /* returns a value between 0-255 range, where higher is brighter */
1321 drm_get_backlight(struct drm_output *output)
1323 long brightness, max_brightness, norm;
1325 brightness = backlight_get_brightness(output->backlight);
1326 max_brightness = backlight_get_max_brightness(output->backlight);
1328 /* convert it on a scale of 0 to 255 */
1329 norm = (brightness * 255)/(max_brightness);
1331 return (uint32_t) norm;
1334 /* values accepted are between 0-255 range */
1336 drm_set_backlight(struct weston_output *output_base, uint32_t value)
1338 struct drm_output *output = (struct drm_output *) output_base;
1339 long max_brightness, new_brightness;
1341 if (!output->backlight)
1347 max_brightness = backlight_get_max_brightness(output->backlight);
1349 /* get denormalized value */
1350 new_brightness = (value * max_brightness) / 255;
1352 backlight_set_brightness(output->backlight, new_brightness);
1355 static drmModePropertyPtr
1356 drm_get_prop(int fd, drmModeConnectorPtr connector, const char *name)
1358 drmModePropertyPtr props;
1361 for (i = 0; i < connector->count_props; i++) {
1362 props = drmModeGetProperty(fd, connector->props[i]);
1366 if (!strcmp(props->name, name))
1369 drmModeFreeProperty(props);
1376 drm_set_dpms(struct weston_output *output_base, enum dpms_enum level)
1378 struct drm_output *output = (struct drm_output *) output_base;
1379 struct weston_compositor *ec = output_base->compositor;
1380 struct drm_compositor *c = (struct drm_compositor *) ec;
1382 if (!output->dpms_prop)
1385 drmModeConnectorSetProperty(c->drm.fd, output->connector_id,
1386 output->dpms_prop->prop_id, level);
1389 static const char *connector_type_names[] = {
1408 find_crtc_for_connector(struct drm_compositor *ec,
1409 drmModeRes *resources, drmModeConnector *connector)
1411 drmModeEncoder *encoder;
1412 uint32_t possible_crtcs;
1415 for (j = 0; j < connector->count_encoders; j++) {
1416 encoder = drmModeGetEncoder(ec->drm.fd, connector->encoders[j]);
1417 if (encoder == NULL) {
1418 weston_log("Failed to get encoder.\n");
1421 possible_crtcs = encoder->possible_crtcs;
1422 drmModeFreeEncoder(encoder);
1424 for (i = 0; i < resources->count_crtcs; i++) {
1425 if (possible_crtcs & (1 << i) &&
1426 !(ec->crtc_allocator & (1 << resources->crtcs[i])))
1434 /* Init output state that depends on gl or gbm */
1436 drm_output_init_egl(struct drm_output *output, struct drm_compositor *ec)
1440 output->surface = gbm_surface_create(ec->gbm,
1441 output->base.current->width,
1442 output->base.current->height,
1443 GBM_FORMAT_XRGB8888,
1444 GBM_BO_USE_SCANOUT |
1445 GBM_BO_USE_RENDERING);
1446 if (!output->surface) {
1447 weston_log("failed to create gbm surface\n");
1451 if (gl_renderer_output_create(&output->base, output->surface) < 0) {
1452 weston_log("failed to create gl renderer output state\n");
1453 gbm_surface_destroy(output->surface);
1457 flags = GBM_BO_USE_CURSOR_64X64 | GBM_BO_USE_WRITE;
1459 for (i = 0; i < 2; i++) {
1460 if (output->cursor_bo[i])
1463 output->cursor_bo[i] =
1464 gbm_bo_create(ec->gbm, 64, 64, GBM_FORMAT_ARGB8888,
1468 if (output->cursor_bo[0] == NULL || output->cursor_bo[1] == NULL) {
1469 weston_log("cursor buffers unavailable, using gl cursors\n");
1470 ec->cursors_are_broken = 1;
1477 drm_output_init_pixman(struct drm_output *output, struct drm_compositor *c)
1479 int w = output->base.current->width;
1480 int h = output->base.current->height;
1483 /* FIXME error checking */
1485 for (i = 0; i < ARRAY_LENGTH(output->dumb); i++) {
1486 output->dumb[i] = drm_fb_create_dumb(c, w, h);
1487 if (!output->dumb[i])
1491 pixman_image_create_bits(PIXMAN_x8r8g8b8, w, h,
1492 output->dumb[i]->map,
1493 output->dumb[i]->stride);
1494 if (!output->image[i])
1498 if (pixman_renderer_output_create(&output->base) < 0)
1501 pixman_region32_init_rect(&output->previous_damage,
1502 output->base.x, output->base.y, output->base.width, output->base.height);
1507 for (i = 0; i < ARRAY_LENGTH(output->dumb); i++) {
1508 if (output->dumb[i])
1509 drm_fb_destroy_dumb(output->dumb[i]);
1510 if (output->image[i])
1511 pixman_image_unref(output->image[i]);
1513 output->dumb[i] = NULL;
1514 output->image[i] = NULL;
1521 drm_output_fini_pixman(struct drm_output *output)
1525 pixman_renderer_output_destroy(&output->base);
1526 pixman_region32_fini(&output->previous_damage);
1528 for (i = 0; i < ARRAY_LENGTH(output->dumb); i++) {
1529 drm_fb_destroy_dumb(output->dumb[i]);
1530 pixman_image_unref(output->image[i]);
1531 output->dumb[i] = NULL;
1532 output->image[i] = NULL;
1537 edid_parse_string(const uint8_t *data, char text[])
1542 /* this is always 12 bytes, but we can't guarantee it's null
1543 * terminated or not junk. */
1544 strncpy(text, (const char *) data, 12);
1546 /* remove insane chars */
1547 for (i = 0; text[i] != '\0'; i++) {
1548 if (text[i] == '\n' ||
1555 /* ensure string is printable */
1556 for (i = 0; text[i] != '\0'; i++) {
1557 if (!isprint(text[i])) {
1563 /* if the string is random junk, ignore the string */
1568 #define EDID_DESCRIPTOR_ALPHANUMERIC_DATA_STRING 0xfe
1569 #define EDID_DESCRIPTOR_DISPLAY_PRODUCT_NAME 0xfc
1570 #define EDID_DESCRIPTOR_DISPLAY_PRODUCT_SERIAL_NUMBER 0xff
1571 #define EDID_OFFSET_DATA_BLOCKS 0x36
1572 #define EDID_OFFSET_LAST_BLOCK 0x6c
1573 #define EDID_OFFSET_PNPID 0x08
1574 #define EDID_OFFSET_SERIAL 0x0c
1577 edid_parse(struct drm_edid *edid, const uint8_t *data, size_t length)
1580 uint32_t serial_number;
1585 if (data[0] != 0x00 || data[1] != 0xff)
1588 /* decode the PNP ID from three 5 bit words packed into 2 bytes
1593 edid->pnp_id[0] = 'A' + ((data[EDID_OFFSET_PNPID + 0] & 0x7c) / 4) - 1;
1594 edid->pnp_id[1] = 'A' + ((data[EDID_OFFSET_PNPID + 0] & 0x3) * 8) + ((data[EDID_OFFSET_PNPID + 1] & 0xe0) / 32) - 1;
1595 edid->pnp_id[2] = 'A' + (data[EDID_OFFSET_PNPID + 1] & 0x1f) - 1;
1596 edid->pnp_id[3] = '\0';
1598 /* maybe there isn't a ASCII serial number descriptor, so use this instead */
1599 serial_number = (uint32_t) data[EDID_OFFSET_SERIAL + 0];
1600 serial_number += (uint32_t) data[EDID_OFFSET_SERIAL + 1] * 0x100;
1601 serial_number += (uint32_t) data[EDID_OFFSET_SERIAL + 2] * 0x10000;
1602 serial_number += (uint32_t) data[EDID_OFFSET_SERIAL + 3] * 0x1000000;
1603 if (serial_number > 0)
1604 sprintf(edid->serial_number, "%lu", (unsigned long) serial_number);
1606 /* parse EDID data */
1607 for (i = EDID_OFFSET_DATA_BLOCKS;
1608 i <= EDID_OFFSET_LAST_BLOCK;
1610 /* ignore pixel clock data */
1616 /* any useful blocks? */
1617 if (data[i+3] == EDID_DESCRIPTOR_DISPLAY_PRODUCT_NAME) {
1618 edid_parse_string(&data[i+5],
1619 edid->monitor_name);
1620 } else if (data[i+3] == EDID_DESCRIPTOR_DISPLAY_PRODUCT_SERIAL_NUMBER) {
1621 edid_parse_string(&data[i+5],
1622 edid->serial_number);
1623 } else if (data[i+3] == EDID_DESCRIPTOR_ALPHANUMERIC_DATA_STRING) {
1624 edid_parse_string(&data[i+5],
1632 find_and_parse_output_edid(struct drm_compositor *ec,
1633 struct drm_output *output,
1634 drmModeConnector *connector)
1636 drmModePropertyBlobPtr edid_blob = NULL;
1637 drmModePropertyPtr property;
1641 for (i = 0; i < connector->count_props && !edid_blob; i++) {
1642 property = drmModeGetProperty(ec->drm.fd, connector->props[i]);
1645 if ((property->flags & DRM_MODE_PROP_BLOB) &&
1646 !strcmp(property->name, "EDID")) {
1647 edid_blob = drmModeGetPropertyBlob(ec->drm.fd,
1648 connector->prop_values[i]);
1650 drmModeFreeProperty(property);
1655 rc = edid_parse(&output->edid,
1659 weston_log("EDID data '%s', '%s', '%s'\n",
1660 output->edid.pnp_id,
1661 output->edid.monitor_name,
1662 output->edid.serial_number);
1663 if (output->edid.pnp_id[0] != '\0')
1664 output->base.make = output->edid.pnp_id;
1665 if (output->edid.monitor_name[0] != '\0')
1666 output->base.model = output->edid.monitor_name;
1667 if (output->edid.serial_number[0] != '\0')
1668 output->base.serial_number = output->edid.serial_number;
1670 drmModeFreePropertyBlob(edid_blob);
1676 parse_modeline(const char *s, drmModeModeInfo *mode)
1682 mode->type = DRM_MODE_TYPE_USERDEF;
1688 if (sscanf(s, "%f %hd %hd %hd %hd %hd %hd %hd %hd %15s %15s",
1697 &mode->vtotal, hsync, vsync) != 11)
1700 mode->clock = fclock * 1000;
1701 if (strcmp(hsync, "+hsync") == 0)
1702 mode->flags |= DRM_MODE_FLAG_PHSYNC;
1703 else if (strcmp(hsync, "-hsync") == 0)
1704 mode->flags |= DRM_MODE_FLAG_NHSYNC;
1708 if (strcmp(vsync, "+vsync") == 0)
1709 mode->flags |= DRM_MODE_FLAG_PVSYNC;
1710 else if (strcmp(vsync, "-vsync") == 0)
1711 mode->flags |= DRM_MODE_FLAG_NVSYNC;
1719 parse_transform(const char *transform, const char *output_name)
1721 static const struct { const char *name; uint32_t token; } names[] = {
1722 { "normal", WL_OUTPUT_TRANSFORM_NORMAL },
1723 { "90", WL_OUTPUT_TRANSFORM_90 },
1724 { "180", WL_OUTPUT_TRANSFORM_180 },
1725 { "270", WL_OUTPUT_TRANSFORM_270 },
1726 { "flipped", WL_OUTPUT_TRANSFORM_FLIPPED },
1727 { "flipped-90", WL_OUTPUT_TRANSFORM_FLIPPED_90 },
1728 { "flipped-180", WL_OUTPUT_TRANSFORM_FLIPPED_180 },
1729 { "flipped-270", WL_OUTPUT_TRANSFORM_FLIPPED_270 },
1733 for (i = 0; i < ARRAY_LENGTH(names); i++)
1734 if (strcmp(names[i].name, transform) == 0)
1735 return names[i].token;
1737 weston_log("Invalid transform \"%s\" for output %s\n",
1738 transform, output_name);
1740 return WL_OUTPUT_TRANSFORM_NORMAL;
1744 setup_output_seat_constraint(struct drm_compositor *ec,
1745 struct weston_output *output,
1748 if (strcmp(s, "") != 0) {
1749 struct udev_seat *seat;
1751 seat = udev_seat_get_named(&ec->base, s);
1753 seat->base.output = output;
1755 if (seat && seat->base.pointer)
1756 weston_pointer_clamp(seat->base.pointer,
1757 &seat->base.pointer->x,
1758 &seat->base.pointer->y);
1763 create_output_for_connector(struct drm_compositor *ec,
1764 drmModeRes *resources,
1765 drmModeConnector *connector,
1766 int x, int y, struct udev_device *drm_device)
1768 struct drm_output *output;
1769 struct drm_mode *drm_mode, *next, *preferred, *current, *configured;
1770 struct weston_mode *m;
1771 struct weston_config_section *section;
1772 drmModeEncoder *encoder;
1773 drmModeModeInfo crtc_mode, modeline;
1775 int i, width, height, scale;
1777 const char *type_name;
1778 enum output_config config;
1781 i = find_crtc_for_connector(ec, resources, connector);
1783 weston_log("No usable crtc/encoder pair for connector.\n");
1787 output = zalloc(sizeof *output);
1791 output->base.subpixel = drm_subpixel_to_wayland(connector->subpixel);
1792 output->base.make = "unknown";
1793 output->base.model = "unknown";
1794 output->base.serial_number = "unknown";
1795 wl_list_init(&output->base.mode_list);
1797 if (connector->connector_type < ARRAY_LENGTH(connector_type_names))
1798 type_name = connector_type_names[connector->connector_type];
1800 type_name = "UNKNOWN";
1801 snprintf(name, 32, "%s%d", type_name, connector->connector_type_id);
1802 output->base.name = strdup(name);
1804 section = weston_config_get_section(ec->base.config, "output", "name",
1806 weston_config_section_get_string(section, "mode", &s, "preferred");
1807 if (strcmp(s, "off") == 0)
1808 config = OUTPUT_CONFIG_OFF;
1809 else if (strcmp(s, "preferred") == 0)
1810 config = OUTPUT_CONFIG_PREFERRED;
1811 else if (strcmp(s, "current") == 0)
1812 config = OUTPUT_CONFIG_CURRENT;
1813 else if (sscanf(s, "%dx%d", &width, &height) == 2)
1814 config = OUTPUT_CONFIG_MODE;
1815 else if (parse_modeline(s, &modeline) == 0)
1816 config = OUTPUT_CONFIG_MODELINE;
1818 weston_log("Invalid mode \"%s\" for output %s\n",
1819 s, output->base.name);
1820 config = OUTPUT_CONFIG_PREFERRED;
1824 weston_config_section_get_int(section, "scale", &scale, 1);
1825 weston_config_section_get_string(section, "transform", &s, "normal");
1826 transform = parse_transform(s, output->base.name);
1829 weston_config_section_get_string(section, "seat", &s, "");
1830 setup_output_seat_constraint(ec, &output->base, s);
1833 output->crtc_id = resources->crtcs[i];
1835 ec->crtc_allocator |= (1 << output->crtc_id);
1836 output->connector_id = connector->connector_id;
1837 ec->connector_allocator |= (1 << output->connector_id);
1839 output->original_crtc = drmModeGetCrtc(ec->drm.fd, output->crtc_id);
1840 output->dpms_prop = drm_get_prop(ec->drm.fd, connector, "DPMS");
1842 /* Get the current mode on the crtc that's currently driving
1843 * this connector. */
1844 encoder = drmModeGetEncoder(ec->drm.fd, connector->encoder_id);
1845 memset(&crtc_mode, 0, sizeof crtc_mode);
1846 if (encoder != NULL) {
1847 crtc = drmModeGetCrtc(ec->drm.fd, encoder->crtc_id);
1848 drmModeFreeEncoder(encoder);
1851 if (crtc->mode_valid)
1852 crtc_mode = crtc->mode;
1853 drmModeFreeCrtc(crtc);
1856 for (i = 0; i < connector->count_modes; i++) {
1857 drm_mode = drm_output_add_mode(output, &connector->modes[i]);
1862 if (config == OUTPUT_CONFIG_OFF) {
1863 weston_log("Disabling output %s\n", output->base.name);
1864 drmModeSetCrtc(ec->drm.fd, output->crtc_id,
1865 0, 0, 0, 0, 0, NULL);
1873 wl_list_for_each_reverse(drm_mode, &output->base.mode_list, base.link) {
1874 if (config == OUTPUT_CONFIG_MODE &&
1875 width == drm_mode->base.width &&
1876 height == drm_mode->base.height)
1877 configured = drm_mode;
1878 if (!memcmp(&crtc_mode, &drm_mode->mode_info, sizeof crtc_mode))
1880 if (drm_mode->base.flags & WL_OUTPUT_MODE_PREFERRED)
1881 preferred = drm_mode;
1884 if (config == OUTPUT_CONFIG_MODELINE) {
1885 configured = drm_output_add_mode(output, &modeline);
1890 if (current == NULL && crtc_mode.clock != 0) {
1891 current = drm_output_add_mode(output, &crtc_mode);
1896 if (config == OUTPUT_CONFIG_CURRENT)
1897 configured = current;
1899 if (option_current_mode && current)
1900 output->base.current = ¤t->base;
1901 else if (configured)
1902 output->base.current = &configured->base;
1904 output->base.current = &preferred->base;
1906 output->base.current = ¤t->base;
1908 if (output->base.current == NULL) {
1909 weston_log("no available modes for %s\n", output->base.name);
1913 output->base.current->flags |= WL_OUTPUT_MODE_CURRENT;
1915 weston_output_init(&output->base, &ec->base, x, y,
1916 connector->mmWidth, connector->mmHeight,
1919 if (ec->use_pixman) {
1920 if (drm_output_init_pixman(output, ec) < 0) {
1921 weston_log("Failed to init output pixman state\n");
1924 } else if (drm_output_init_egl(output, ec) < 0) {
1925 weston_log("Failed to init output gl state\n");
1929 output->backlight = backlight_init(drm_device,
1930 connector->connector_type);
1931 if (output->backlight) {
1932 weston_log("Initialized backlight, device %s\n",
1933 output->backlight->path);
1934 output->base.set_backlight = drm_set_backlight;
1935 output->base.backlight_current = drm_get_backlight(output);
1937 weston_log("Failed to initialize backlight\n");
1940 wl_list_insert(ec->base.output_list.prev, &output->base.link);
1942 find_and_parse_output_edid(ec, output, connector);
1943 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)
1944 output->base.connection_internal = 1;
1946 output->base.origin = output->base.current;
1947 output->base.start_repaint_loop = drm_output_start_repaint_loop;
1948 output->base.repaint = drm_output_repaint;
1949 output->base.destroy = drm_output_destroy;
1950 output->base.assign_planes = drm_assign_planes;
1951 output->base.set_dpms = drm_set_dpms;
1952 output->base.switch_mode = drm_output_switch_mode;
1954 output->base.gamma_size = output->original_crtc->gamma_size;
1955 output->base.set_gamma = drm_output_set_gamma;
1957 weston_plane_init(&output->cursor_plane, 0, 0);
1958 weston_plane_init(&output->fb_plane, 0, 0);
1960 weston_compositor_stack_plane(&ec->base, &output->cursor_plane, NULL);
1961 weston_compositor_stack_plane(&ec->base, &output->fb_plane,
1962 &ec->base.primary_plane);
1964 weston_log("Output %s, (connector %d, crtc %d)\n",
1965 output->base.name, output->connector_id, output->crtc_id);
1966 wl_list_for_each(m, &output->base.mode_list, link)
1967 weston_log_continue(" mode %dx%d@%.1f%s%s%s\n",
1968 m->width, m->height, m->refresh / 1000.0,
1969 m->flags & WL_OUTPUT_MODE_PREFERRED ?
1971 m->flags & WL_OUTPUT_MODE_CURRENT ?
1973 connector->count_modes == 0 ?
1979 weston_output_destroy(&output->base);
1981 wl_list_for_each_safe(drm_mode, next, &output->base.mode_list,
1983 wl_list_remove(&drm_mode->base.link);
1987 drmModeFreeCrtc(output->original_crtc);
1988 ec->crtc_allocator &= ~(1 << output->crtc_id);
1989 ec->connector_allocator &= ~(1 << output->connector_id);
1996 create_sprites(struct drm_compositor *ec)
1998 struct drm_sprite *sprite;
1999 drmModePlaneRes *plane_res;
2000 drmModePlane *plane;
2003 plane_res = drmModeGetPlaneResources(ec->drm.fd);
2005 weston_log("failed to get plane resources: %s\n",
2010 for (i = 0; i < plane_res->count_planes; i++) {
2011 plane = drmModeGetPlane(ec->drm.fd, plane_res->planes[i]);
2015 sprite = zalloc(sizeof(*sprite) + ((sizeof(uint32_t)) *
2016 plane->count_formats));
2018 weston_log("%s: out of memory\n",
2024 sprite->possible_crtcs = plane->possible_crtcs;
2025 sprite->plane_id = plane->plane_id;
2026 sprite->current = NULL;
2027 sprite->next = NULL;
2028 sprite->compositor = ec;
2029 sprite->count_formats = plane->count_formats;
2030 memcpy(sprite->formats, plane->formats,
2031 plane->count_formats * sizeof(plane->formats[0]));
2032 drmModeFreePlane(plane);
2033 weston_plane_init(&sprite->plane, 0, 0);
2034 weston_compositor_stack_plane(&ec->base, &sprite->plane,
2035 &ec->base.primary_plane);
2037 wl_list_insert(&ec->sprite_list, &sprite->link);
2040 drmModeFreePlaneResources(plane_res);
2044 destroy_sprites(struct drm_compositor *compositor)
2046 struct drm_sprite *sprite, *next;
2047 struct drm_output *output;
2049 output = container_of(compositor->base.output_list.next,
2050 struct drm_output, base.link);
2052 wl_list_for_each_safe(sprite, next, &compositor->sprite_list, link) {
2053 drmModeSetPlane(compositor->drm.fd,
2055 output->crtc_id, 0, 0,
2056 0, 0, 0, 0, 0, 0, 0, 0);
2057 drm_output_release_fb(output, sprite->current);
2058 drm_output_release_fb(output, sprite->next);
2059 weston_plane_release(&sprite->plane);
2065 create_outputs(struct drm_compositor *ec, uint32_t option_connector,
2066 struct udev_device *drm_device)
2068 drmModeConnector *connector;
2069 drmModeRes *resources;
2073 resources = drmModeGetResources(ec->drm.fd);
2075 weston_log("drmModeGetResources failed\n");
2079 ec->crtcs = calloc(resources->count_crtcs, sizeof(uint32_t));
2081 drmModeFreeResources(resources);
2085 ec->min_width = resources->min_width;
2086 ec->max_width = resources->max_width;
2087 ec->min_height = resources->min_height;
2088 ec->max_height = resources->max_height;
2090 ec->num_crtcs = resources->count_crtcs;
2091 memcpy(ec->crtcs, resources->crtcs, sizeof(uint32_t) * ec->num_crtcs);
2093 for (i = 0; i < resources->count_connectors; i++) {
2094 connector = drmModeGetConnector(ec->drm.fd,
2095 resources->connectors[i]);
2096 if (connector == NULL)
2099 if (connector->connection == DRM_MODE_CONNECTED &&
2100 (option_connector == 0 ||
2101 connector->connector_id == option_connector)) {
2102 if (create_output_for_connector(ec, resources,
2105 drmModeFreeConnector(connector);
2109 x += container_of(ec->base.output_list.prev,
2110 struct weston_output,
2114 drmModeFreeConnector(connector);
2117 if (wl_list_empty(&ec->base.output_list)) {
2118 weston_log("No currently active connector found.\n");
2119 drmModeFreeResources(resources);
2123 drmModeFreeResources(resources);
2129 update_outputs(struct drm_compositor *ec, struct udev_device *drm_device)
2131 drmModeConnector *connector;
2132 drmModeRes *resources;
2133 struct drm_output *output, *next;
2135 int x_offset = 0, y_offset = 0;
2136 uint32_t connected = 0, disconnects = 0;
2139 resources = drmModeGetResources(ec->drm.fd);
2141 weston_log("drmModeGetResources failed\n");
2145 /* collect new connects */
2146 for (i = 0; i < resources->count_connectors; i++) {
2147 int connector_id = resources->connectors[i];
2149 connector = drmModeGetConnector(ec->drm.fd, connector_id);
2150 if (connector == NULL)
2153 if (connector->connection != DRM_MODE_CONNECTED) {
2154 drmModeFreeConnector(connector);
2158 connected |= (1 << connector_id);
2160 if (!(ec->connector_allocator & (1 << connector_id))) {
2161 struct weston_output *last =
2162 container_of(ec->base.output_list.prev,
2163 struct weston_output, link);
2165 /* XXX: not yet needed, we die with 0 outputs */
2166 if (!wl_list_empty(&ec->base.output_list))
2167 x = last->x + last->width;
2171 create_output_for_connector(ec, resources,
2174 weston_log("connector %d connected\n", connector_id);
2177 drmModeFreeConnector(connector);
2179 drmModeFreeResources(resources);
2181 disconnects = ec->connector_allocator & ~connected;
2183 wl_list_for_each_safe(output, next, &ec->base.output_list,
2185 if (x_offset != 0 || y_offset != 0) {
2186 weston_output_move(&output->base,
2187 output->base.x - x_offset,
2188 output->base.y - y_offset);
2191 if (disconnects & (1 << output->connector_id)) {
2192 disconnects &= ~(1 << output->connector_id);
2193 weston_log("connector %d disconnected\n",
2194 output->connector_id);
2195 x_offset += output->base.width;
2196 drm_output_destroy(&output->base);
2201 /* FIXME: handle zero outputs, without terminating */
2202 if (ec->connector_allocator == 0)
2203 wl_display_terminate(ec->base.wl_display);
2207 udev_event_is_hotplug(struct drm_compositor *ec, struct udev_device *device)
2212 sysnum = udev_device_get_sysnum(device);
2213 if (!sysnum || atoi(sysnum) != ec->drm.id)
2216 val = udev_device_get_property_value(device, "HOTPLUG");
2220 return strcmp(val, "1") == 0;
2224 udev_drm_event(int fd, uint32_t mask, void *data)
2226 struct drm_compositor *ec = data;
2227 struct udev_device *event;
2229 event = udev_monitor_receive_device(ec->udev_monitor);
2231 if (udev_event_is_hotplug(ec, event))
2232 update_outputs(ec, event);
2234 udev_device_unref(event);
2240 drm_restore(struct weston_compositor *ec)
2242 struct drm_compositor *d = (struct drm_compositor *) ec;
2244 if (weston_launcher_drm_set_master(&d->base, d->drm.fd, 0) < 0)
2245 weston_log("failed to drop master: %m\n");
2250 drm_destroy(struct weston_compositor *ec)
2252 struct drm_compositor *d = (struct drm_compositor *) ec;
2254 udev_input_destroy(&d->input);
2256 wl_event_source_remove(d->udev_drm_source);
2257 wl_event_source_remove(d->drm_source);
2261 weston_compositor_shutdown(ec);
2263 ec->renderer->destroy(ec);
2266 gbm_device_destroy(d->gbm);
2268 if (weston_launcher_drm_set_master(&d->base, d->drm.fd, 0) < 0)
2269 weston_log("failed to drop master: %m\n");
2270 tty_destroy(d->tty);
2278 drm_compositor_set_modes(struct drm_compositor *compositor)
2280 struct drm_output *output;
2281 struct drm_mode *drm_mode;
2284 wl_list_for_each(output, &compositor->base.output_list, base.link) {
2285 if (!output->current) {
2286 /* If something that would cause the output to
2287 * switch mode happened while in another vt, we
2288 * might not have a current drm_fb. In that case,
2289 * schedule a repaint and let drm_output_repaint
2290 * handle setting the mode. */
2291 weston_output_schedule_repaint(&output->base);
2295 drm_mode = (struct drm_mode *) output->base.current;
2296 ret = drmModeSetCrtc(compositor->drm.fd, output->crtc_id,
2297 output->current->fb_id, 0, 0,
2298 &output->connector_id, 1,
2299 &drm_mode->mode_info);
2302 "failed to set mode %dx%d for output at %d,%d: %m\n",
2303 drm_mode->base.width, drm_mode->base.height,
2304 output->base.x, output->base.y);
2310 vt_func(struct weston_compositor *compositor, int event)
2312 struct drm_compositor *ec = (struct drm_compositor *) compositor;
2313 struct drm_sprite *sprite;
2314 struct drm_output *output;
2318 weston_log("entering VT\n");
2319 compositor->focus = 1;
2320 if (weston_launcher_drm_set_master(&ec->base, ec->drm.fd, 1)) {
2321 weston_log("failed to set master: %m\n");
2322 wl_display_terminate(compositor->wl_display);
2324 compositor->state = ec->prev_state;
2325 drm_compositor_set_modes(ec);
2326 weston_compositor_damage_all(compositor);
2327 udev_input_enable(&ec->input, ec->udev);
2330 weston_log("leaving VT\n");
2331 udev_input_disable(&ec->input);
2333 compositor->focus = 0;
2334 ec->prev_state = compositor->state;
2335 weston_compositor_offscreen(compositor);
2337 /* If we have a repaint scheduled (either from a
2338 * pending pageflip or the idle handler), make sure we
2339 * cancel that so we don't try to pageflip when we're
2340 * vt switched away. The OFFSCREEN state will prevent
2341 * further attemps at repainting. When we switch
2342 * back, we schedule a repaint, which will process
2343 * pending frame callbacks. */
2345 wl_list_for_each(output, &ec->base.output_list, base.link) {
2346 output->base.repaint_needed = 0;
2347 drmModeSetCursor(ec->drm.fd, output->crtc_id, 0, 0, 0);
2350 output = container_of(ec->base.output_list.next,
2351 struct drm_output, base.link);
2353 wl_list_for_each(sprite, &ec->sprite_list, link)
2354 drmModeSetPlane(ec->drm.fd,
2356 output->crtc_id, 0, 0,
2357 0, 0, 0, 0, 0, 0, 0, 0);
2359 if (weston_launcher_drm_set_master(&ec->base, ec->drm.fd, 0) < 0)
2360 weston_log("failed to drop master: %m\n");
2367 switch_vt_binding(struct weston_seat *seat, uint32_t time, uint32_t key, void *data)
2369 struct drm_compositor *ec = data;
2371 tty_activate_vt(ec->tty, key - KEY_F1 + 1);
2376 * Some systems may have multiple DRM devices attached to a single seat. This
2377 * function loops over all devices and tries to find a PCI device with the
2378 * boot_vga sysfs attribute set to 1.
2379 * If no such device is found, the first DRM device reported by udev is used.
2381 static struct udev_device*
2382 find_primary_gpu(struct drm_compositor *ec, const char *seat)
2384 struct udev_enumerate *e;
2385 struct udev_list_entry *entry;
2386 const char *path, *device_seat, *id;
2387 struct udev_device *device, *drm_device, *pci;
2389 e = udev_enumerate_new(ec->udev);
2390 udev_enumerate_add_match_subsystem(e, "drm");
2391 udev_enumerate_add_match_sysname(e, "card[0-9]*");
2393 udev_enumerate_scan_devices(e);
2395 udev_list_entry_foreach(entry, udev_enumerate_get_list_entry(e)) {
2396 path = udev_list_entry_get_name(entry);
2397 device = udev_device_new_from_syspath(ec->udev, path);
2400 device_seat = udev_device_get_property_value(device, "ID_SEAT");
2402 device_seat = default_seat;
2403 if (strcmp(device_seat, seat)) {
2404 udev_device_unref(device);
2408 pci = udev_device_get_parent_with_subsystem_devtype(device,
2411 id = udev_device_get_sysattr_value(pci, "boot_vga");
2412 if (id && !strcmp(id, "1")) {
2414 udev_device_unref(drm_device);
2415 drm_device = device;
2421 drm_device = device;
2423 udev_device_unref(device);
2426 udev_enumerate_unref(e);
2431 planes_binding(struct weston_seat *seat, uint32_t time, uint32_t key, void *data)
2433 struct drm_compositor *c = data;
2437 c->cursors_are_broken ^= 1;
2440 c->sprites_are_broken ^= 1;
2443 c->sprites_hidden ^= 1;
2450 #ifdef BUILD_VAAPI_RECORDER
2452 recorder_frame_notify(struct wl_listener *listener, void *data)
2454 struct drm_output *output;
2455 struct drm_compositor *c;
2458 output = container_of(listener, struct drm_output,
2459 recorder_frame_listener);
2460 c = (struct drm_compositor *) output->base.compositor;
2462 if (!output->recorder)
2465 ret = drmPrimeHandleToFD(c->drm.fd, output->current->handle,
2468 weston_log("[libva recorder] "
2469 "failed to create prime fd for front buffer\n");
2473 vaapi_recorder_frame(output->recorder, fd, output->current->stride / 4);
2477 create_recorder(struct drm_compositor *c, int width, int height,
2478 const char *filename)
2483 fd = open(c->drm.filename, O_RDWR | O_CLOEXEC);
2487 drmGetMagic(fd, &magic);
2488 drmAuthMagic(c->drm.fd, magic);
2490 return vaapi_recorder_create(fd, width, height, filename);
2494 recorder_binding(struct weston_seat *seat, uint32_t time, uint32_t key,
2497 struct drm_compositor *c = data;
2498 struct drm_output *output;
2501 output = container_of(c->base.output_list.next,
2502 struct drm_output, base.link);
2504 if (!output->recorder) {
2505 width = output->base.current->width;
2506 height = output->base.current->height;
2509 create_recorder(c, width, height, "capture.h264");
2510 if (!output->recorder) {
2511 weston_log("failed to create vaapi recorder\n");
2515 output->base.disable_planes++;
2517 output->recorder_frame_listener.notify = recorder_frame_notify;
2518 wl_signal_add(&output->base.frame_signal,
2519 &output->recorder_frame_listener);
2521 weston_output_schedule_repaint(&output->base);
2523 weston_log("[libva recorder] initialized\n");
2525 vaapi_recorder_destroy(output->recorder);
2526 output->recorder = NULL;
2528 output->base.disable_planes--;
2530 wl_list_remove(&output->recorder_frame_listener.link);
2531 weston_log("[libva recorder] done\n");
2536 recorder_binding(struct weston_seat *seat, uint32_t time, uint32_t key,
2539 weston_log("Compiled without libva support\n");
2543 static struct weston_compositor *
2544 drm_compositor_create(struct wl_display *display,
2545 int connector, const char *seat_id, int tty, int pixman,
2546 int *argc, char *argv[],
2547 struct weston_config *config)
2549 struct drm_compositor *ec;
2550 struct udev_device *drm_device;
2551 struct wl_event_loop *loop;
2555 weston_log("initializing drm backend\n");
2557 ec = zalloc(sizeof *ec);
2561 /* KMS support for sprites is not complete yet, so disable the
2562 * functionality for now. */
2563 ec->sprites_are_broken = 1;
2565 ec->use_pixman = pixman;
2567 if (weston_compositor_init(&ec->base, display, argc, argv,
2569 weston_log("%s failed\n", __func__);
2573 /* Check if we run drm-backend using weston-launch */
2574 ec->base.launcher_sock =
2575 weston_environment_get_fd("WESTON_LAUNCHER_SOCK");
2576 if (ec->base.launcher_sock == -1 && geteuid() != 0) {
2577 weston_log("fatal: drm backend should be run "
2578 "using weston-launch binary or as root\n");
2579 goto err_compositor;
2582 ec->udev = udev_new();
2583 if (ec->udev == NULL) {
2584 weston_log("failed to initialize udev context\n");
2585 goto err_compositor;
2588 ec->base.wl_display = display;
2589 ec->tty = tty_create(&ec->base, vt_func, tty);
2591 weston_log("failed to initialize tty\n");
2595 drm_device = find_primary_gpu(ec, seat_id);
2596 if (drm_device == NULL) {
2597 weston_log("no drm device found\n");
2600 path = udev_device_get_syspath(drm_device);
2602 if (init_drm(ec, drm_device) < 0) {
2603 weston_log("failed to initialize kms\n");
2607 if (ec->use_pixman) {
2608 if (init_pixman(ec) < 0) {
2609 weston_log("failed to initialize pixman renderer\n");
2613 if (init_egl(ec) < 0) {
2614 weston_log("failed to initialize egl\n");
2619 ec->base.destroy = drm_destroy;
2620 ec->base.restore = drm_restore;
2624 ec->prev_state = WESTON_COMPOSITOR_ACTIVE;
2626 for (key = KEY_F1; key < KEY_F9; key++)
2627 weston_compositor_add_key_binding(&ec->base, key,
2628 MODIFIER_CTRL | MODIFIER_ALT,
2629 switch_vt_binding, ec);
2631 wl_list_init(&ec->sprite_list);
2634 if (create_outputs(ec, connector, drm_device) < 0) {
2635 weston_log("failed to create output for %s\n", path);
2641 if (udev_input_init(&ec->input, &ec->base, ec->udev, seat_id) < 0) {
2642 weston_log("failed to create input devices\n");
2646 loop = wl_display_get_event_loop(ec->base.wl_display);
2648 wl_event_loop_add_fd(loop, ec->drm.fd,
2649 WL_EVENT_READABLE, on_drm_input, ec);
2651 ec->udev_monitor = udev_monitor_new_from_netlink(ec->udev, "udev");
2652 if (ec->udev_monitor == NULL) {
2653 weston_log("failed to intialize udev monitor\n");
2654 goto err_drm_source;
2656 udev_monitor_filter_add_match_subsystem_devtype(ec->udev_monitor,
2658 ec->udev_drm_source =
2659 wl_event_loop_add_fd(loop,
2660 udev_monitor_get_fd(ec->udev_monitor),
2661 WL_EVENT_READABLE, udev_drm_event, ec);
2663 if (udev_monitor_enable_receiving(ec->udev_monitor) < 0) {
2664 weston_log("failed to enable udev-monitor receiving\n");
2665 goto err_udev_monitor;
2668 udev_device_unref(drm_device);
2670 weston_compositor_add_debug_binding(&ec->base, KEY_O,
2671 planes_binding, ec);
2672 weston_compositor_add_debug_binding(&ec->base, KEY_C,
2673 planes_binding, ec);
2674 weston_compositor_add_debug_binding(&ec->base, KEY_V,
2675 planes_binding, ec);
2676 weston_compositor_add_debug_binding(&ec->base, KEY_Q,
2677 recorder_binding, ec);
2682 wl_event_source_remove(ec->udev_drm_source);
2683 udev_monitor_unref(ec->udev_monitor);
2685 wl_event_source_remove(ec->drm_source);
2686 udev_input_destroy(&ec->input);
2688 ec->base.renderer->destroy(&ec->base);
2689 gbm_device_destroy(ec->gbm);
2690 destroy_sprites(ec);
2692 udev_device_unref(drm_device);
2694 if (weston_launcher_drm_set_master(&ec->base, ec->drm.fd, 0) < 0)
2695 weston_log("failed to drop master: %m\n");
2696 tty_destroy(ec->tty);
2698 udev_unref(ec->udev);
2700 weston_compositor_shutdown(&ec->base);
2706 WL_EXPORT struct weston_compositor *
2707 backend_init(struct wl_display *display, int *argc, char *argv[],
2708 struct weston_config *config)
2710 int connector = 0, tty = 0, use_pixman = 0;
2711 const char *seat_id = default_seat;
2713 const struct weston_option drm_options[] = {
2714 { WESTON_OPTION_INTEGER, "connector", 0, &connector },
2715 { WESTON_OPTION_STRING, "seat", 0, &seat_id },
2716 { WESTON_OPTION_INTEGER, "tty", 0, &tty },
2717 { WESTON_OPTION_BOOLEAN, "current-mode", 0, &option_current_mode },
2718 { WESTON_OPTION_BOOLEAN, "use-pixman", 0, &use_pixman },
2721 parse_options(drm_options, ARRAY_LENGTH(drm_options), argc, argv);
2723 return drm_compositor_create(display, connector, seat_id, tty, use_pixman,
2724 argc, argv, config);