diff --git a/drivers/gpu/drm/vc4/vc4_plane.c b/drivers/gpu/drm/vc4/vc4_plane.c index 24d7e6db6fdd2..89543fa8ca4de 100644 --- a/drivers/gpu/drm/vc4/vc4_plane.c +++ b/drivers/gpu/drm/vc4/vc4_plane.c @@ -898,8 +898,8 @@ static int vc4_plane_mode_set(struct drm_plane *plane, vc4_dlist_write(vc4_state, VC4_SET_FIELD(state->alpha >> 4, SCALER5_CTL2_ALPHA) | - fb->format->has_alpha ? - SCALER5_CTL2_ALPHA_PREMULT : 0 | + (fb->format->has_alpha ? + SCALER5_CTL2_ALPHA_PREMULT : 0) | (mix_plane_alpha ? SCALER5_CTL2_ALPHA_MIX : 0) | VC4_SET_FIELD(fb->format->has_alpha ?