[PATCH 11/11] drm/i915: Disable updating of LUT values during vblank

[Chaitanya Kumar Borah]

Do not schedule vblank worker for LUT update if the registers are
double buffered

Signed-off-by: Chaitanya Kumar Borah <chaitanya.kumar.borah at intel.com>
---
 drivers/gpu/drm/i915/display/intel_crtc.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_crtc.c b/drivers/gpu/drm/i915/display/intel_crtc.c
index 5b2603ef2ff7..fd6d52712462 100644
--- a/drivers/gpu/drm/i915/display/intel_crtc.c
+++ b/drivers/gpu/drm/i915/display/intel_crtc.c
@@ -418,10 +418,13 @@ int intel_crtc_get_pipe_from_crtc_id_ioctl(struct drm_device *dev, void *data,
 
 static bool intel_crtc_needs_vblank_work(const struct intel_crtc_state *crtc_state)
 {
+	struct intel_display *display = to_intel_display(crtc_state);
+
 	return crtc_state->hw.active &&
 		!crtc_state->preload_luts &&
 		!intel_crtc_needs_modeset(crtc_state) &&
-		intel_crtc_needs_color_update(crtc_state) &&
+		(intel_crtc_needs_color_update(crtc_state) &&
+		 !HAS_DOUBLE_BUFFERED_LUT(display)) &&
 		!intel_color_uses_dsb(crtc_state) &&
 		!crtc_state->use_dsb;
 }
-- 
2.25.1