From: Ville Syrjälä <[email protected]>

All interpolated gamma modes including the icl+ multi segment
mode require non-decreasing entries for the interpolation to
work correctly. For some reason we're forgetting to declare
that for icl+. Let us do so.

References: https://gitlab.freedesktop.org/drm/intel/-/issues/3916
Signed-off-by: Ville Syrjälä <[email protected]>
---
 drivers/gpu/drm/i915/i915_pci.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
index 169837de395d..7655c7a4f904 100644
--- a/drivers/gpu/drm/i915/i915_pci.c
+++ b/drivers/gpu/drm/i915/i915_pci.c
@@ -145,6 +145,12 @@
                   .degamma_lut_tests = DRM_COLOR_LUT_NON_DECREASING | \
                                        DRM_COLOR_LUT_EQUAL_CHANNELS, \
        }
+#define ICL_COLORS \
+       .color = { .degamma_lut_size = 33, .gamma_lut_size = 262145, \
+                  .degamma_lut_tests = DRM_COLOR_LUT_NON_DECREASING | \
+                                       DRM_COLOR_LUT_EQUAL_CHANNELS, \
+                  .gamma_lut_tests = DRM_COLOR_LUT_NON_DECREASING, \
+       }
 
 /* Keep in gen based order, and chronological order within a gen */
 
@@ -811,7 +817,7 @@ static const struct intel_device_info cml_gt2_info = {
                [TRANSCODER_DSI_1] = TRANSCODER_DSI1_OFFSET, \
        }, \
        GEN(11), \
-       .color = { .degamma_lut_size = 33, .gamma_lut_size = 262145 }, \
+       ICL_COLORS, \
        .dbuf.size = 2048, \
        .dbuf.slice_mask = BIT(DBUF_S1) | BIT(DBUF_S2), \
        .display.has_dsc = 1, \
-- 
2.32.0

Reply via email to