[Intel-gfx] [PATCH 08/13] drm/i915/dsb: Skip DSB command buffer setup if we have no LUTs

[Ville Syrjala]

From: Ville Syrjälä <ville.syrj...@linux.intel.com>

If we have no LUTs to load there is no point in setting up
the DSB command buffer.

Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
---
 drivers/gpu/drm/i915/display/intel_color.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_color.c 
b/drivers/gpu/drm/i915/display/intel_color.c
index 162d671182e3..f4a527a3c265 100644
--- a/drivers/gpu/drm/i915/display/intel_color.c
+++ b/drivers/gpu/drm/i915/display/intel_color.c
@@ -1383,6 +1383,9 @@ void intel_color_prepare_commit(struct intel_crtc_state 
*crtc_state)
        /* FIXME DSB has issues loading LUTs, disable it for now */
        return;
 
+       if (!crtc_state->pre_csc_lut && !crtc_state->post_csc_lut)
+               return;
+
        crtc_state->dsb = intel_dsb_prepare(crtc, 1024);
 }
 
-- 
2.38.2