> -----Original Message----- > From: Intel-gfx <intel-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Ville Syrjala > Sent: Thursday, October 14, 2021 11:49 PM > To: intel-gfx@xxxxxxxxxxxxxxxxxxxxx > Subject: [PATCH 1/2] drm/i915: Declare .(de)gamma_lut_tests for icl+ > > 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. Looks Good to me. Reviewed-by: Uma Shankar <uma.shankar@xxxxxxxxx> > 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
