From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> 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 <ville.syrjala@xxxxxxxxxxxxxxx> --- 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
