drm/vc4: crtc: Keep the previously assigned HVS FIFO

[platform/kernel/linux-rpi.git] / drivers / gpu / drm / vc4 / vc4_drv.h

diff --git a/drivers/gpu/drm/vc4/vc4_drv.h b/drivers/gpu/drm/vc4/vc4_drv.h
index 9273595..457fd68 100644 (file)
--- a/drivers/gpu/drm/vc4/vc4_drv.h
+++ b/drivers/gpu/drm/vc4/vc4_drv.h
@@ -511,6 +511,7 @@ struct vc4_crtc_state {
                unsigned int bottom;
        } margins;
 };
+#define VC4_HVS_CHANNEL_DISABLED ((unsigned int) -1)
 
 static inline struct vc4_crtc_state *
 to_vc4_crtc_state(struct drm_crtc_state *crtc_state)