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backend/drm: check drm_surface_render_black_frame return value

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This avoids hitting an assertion in drm_fb_lock_surface when
we failed to render a black frame.
This commit is contained in:
Simon Ser 2020-08-14 12:04:29 +02:00
parent c881008e1c
commit eef8b3dde8
1 changed files with 3 additions and 1 deletions
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4
backend/drm/drm.c
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@ -681,7 +681,9 @@ static bool drm_connector_pageflip_renderer(struct wlr_drm_connector *conn) {
// drm_crtc_page_flip expects a FB to be available // drm_crtc_page_flip expects a FB to be available
struct wlr_drm_plane *plane = crtc->primary; struct wlr_drm_plane *plane = crtc->primary;
if (!plane_get_next_fb(plane)->bo) { if (!plane_get_next_fb(plane)->bo) {
drm_surface_render_black_frame(&plane->surf); if (!drm_surface_render_black_frame(&plane->surf)) {
return false;
}
if (!drm_fb_lock_surface(&plane->pending_fb, &plane->surf)) { if (!drm_fb_lock_surface(&plane->pending_fb, &plane->surf)) {
return false; return false;
} }