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backend/drm: Set timeline support based on capability

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We assumed that all atomic backends supported syncobj, but gud does not.
Instead, query DRM_CAP_SYNCOBJ_TIMELINE when using the atomic backend.
This commit is contained in:
Kenny Levinsen 2024-11-07 17:23:28 +01:00
parent c0945b6613
commit 014023c14f
2 changed files with 1 additions and 1 deletions
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1
backend/drm/backend.c
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@ -271,7 +271,6 @@ struct wlr_backend *wlr_drm_backend_create(struct wlr_session *session,
}
}
drm->backend.features.timeline = drm->iface != &legacy_iface;
if (drm->parent) {
drm->backend.features.timeline = drm->backend.features.timeline &&
drm->mgpu_renderer.wlr_rend->features.timeline;

1
backend/drm/drm.c
View File

@ -124,6 +124,7 @@ bool check_drm_features(struct wlr_drm_backend *drm) {
drm->supports_tearing_page_flips = drmGetCap(drm->fd, DRM_CAP_ASYNC_PAGE_FLIP, &cap) == 0 && cap == 1;
} else {
drm->supports_tearing_page_flips = drmGetCap(drm->fd, DRM_CAP_ATOMIC_ASYNC_PAGE_FLIP, &cap) == 0 && cap == 1;
drm->backend.features.timeline = drmGetCap(drm->fd, DRM_CAP_SYNCOBJ_TIMELINE, &cap) == 0 && cap == 1;
}
if (env_parse_bool("WLR_DRM_NO_MODIFIERS")) {