> -----Original Message----- > From: Intel-gfx <[email protected]> On Behalf Of Ville > Syrjala > Sent: Monday, November 14, 2022 9:07 PM > To: [email protected] > Subject: [Intel-gfx] [PATCH v3 06/20] drm/i915: Fix adl+ degamma LUT size > > From: Ville Syrjälä <[email protected]> > > The degamma LUT is interpolated so we need the 128th (==1.0) entry to > represent > the full < 1.0 input range. Only the 129th and 130th entries are strictly for > the >=1.0 > extended range inputs.
Looks Good to me. Reviewed-by: Uma Shankar <[email protected]> > Signed-off-by: Ville Syrjälä <[email protected]> > --- > drivers/gpu/drm/i915/i915_pci.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/i915/i915_pci.c > b/drivers/gpu/drm/i915/i915_pci.c index > 211913be40ce..c50841e36c61 100644 > --- a/drivers/gpu/drm/i915/i915_pci.c > +++ b/drivers/gpu/drm/i915/i915_pci.c > @@ -948,7 +948,7 @@ static const struct intel_device_info adl_s_info = { > #define > XE_LPD_FEATURES \ > .display.abox_mask = GENMASK(1, 0), > \ > .display.color = { > \ > - .degamma_lut_size = 128, .gamma_lut_size = 1024, > \ > + .degamma_lut_size = 129, .gamma_lut_size = 1024, > \ > .degamma_lut_tests = DRM_COLOR_LUT_NON_DECREASING | > \ > DRM_COLOR_LUT_EQUAL_CHANNELS, > \ > }, > \ > -- > 2.37.4
