Since Double Buffered LUT registers can be written in active region
no need to preload them.
Signed-off-by: Chaitanya Kumar Borah <chaitanya.kumar.bo...@intel.com>
Reviewed-by: Uma Shankar <uma.shan...@intel.com>
---
drivers/gpu/drm/i915/display/intel_color.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_color.c
b/drivers/gpu/drm/i915/display/intel_color.c
index ac00b86798fb..671db6926e4c 100644
--- a/drivers/gpu/drm/i915/display/intel_color.c
+++ b/drivers/gpu/drm/i915/display/intel_color.c
@@ -2041,9 +2041,13 @@ void intel_color_wait_commit(const struct
intel_crtc_state *crtc_state)
static bool intel_can_preload_luts(struct intel_atomic_state *state,
struct intel_crtc *crtc)
{
+ struct intel_display *display = to_intel_display(state);
const struct intel_crtc_state *old_crtc_state =
intel_atomic_get_old_crtc_state(state, crtc);
+ if (HAS_DOUBLE_BUFFERED_LUT(display))
+ return false;
+
return !old_crtc_state->post_csc_lut &&
!old_crtc_state->pre_csc_lut;
}
--
2.25.1
