covers_screen 596 drivers/gpu/drm/vc4/vc4_plane.c bool covers_screen; covers_screen 911 drivers/gpu/drm/vc4/vc4_plane.c covers_screen = vc4_state->crtc_x == 0 && vc4_state->crtc_y == 0 && covers_screen 918 drivers/gpu/drm/vc4/vc4_plane.c vc4_state->needs_bg_fill = fb->format->has_alpha || !covers_screen ||