> -----Original Message----- > From: Intel-gfx <[email protected]> On Behalf Of Ville > Syrjala > Sent: Saturday, July 18, 2020 2:44 AM > To: [email protected] > Subject: [Intel-gfx] [PATCH 05/20] drm/i915: Reset glk degamma index after > programming/readout > > From: Ville Syrjälä <[email protected]> > > Just for some extra consistency let's reset the glk degamma LUT index back to > 0 > after we're dong trawling the LUT.
We do set this to 0 in the beginning, but I think good to leave in a clean state. Reviewed-by: Uma Shankar <[email protected]> > Signed-off-by: Ville Syrjälä <[email protected]> > --- > drivers/gpu/drm/i915/display/intel_color.c | 6 +++++- > 1 file changed, 5 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/i915/display/intel_color.c > b/drivers/gpu/drm/i915/display/intel_color.c > index 77c103a86a30..37a4fede7bc0 100644 > --- a/drivers/gpu/drm/i915/display/intel_color.c > +++ b/drivers/gpu/drm/i915/display/intel_color.c > @@ -818,12 +818,14 @@ static void glk_load_degamma_lut(const struct > intel_crtc_state *crtc_state) > * as compared to just 16 to achieve this. > */ > intel_de_write(dev_priv, PRE_CSC_GAMC_DATA(pipe), > - lut[i].green); > + lut[i].green); > } > > /* Clamp values > 1.0. */ > while (i++ < 35) > intel_de_write(dev_priv, PRE_CSC_GAMC_DATA(pipe), 1 << 16); > + > + intel_de_write(dev_priv, PRE_CSC_GAMC_INDEX(pipe), 0); > } > > static void glk_load_degamma_lut_linear(const struct intel_crtc_state > *crtc_state) @@ -851,6 +853,8 @@ static void > glk_load_degamma_lut_linear(const struct intel_crtc_state *crtc_stat > /* Clamp values > 1.0. */ > while (i++ < 35) > intel_de_write(dev_priv, PRE_CSC_GAMC_DATA(pipe), 1 << 16); > + > + intel_de_write(dev_priv, PRE_CSC_GAMC_INDEX(pipe), 0); > } > > static void glk_load_luts(const struct intel_crtc_state *crtc_state) > -- > 2.26.2 > > _______________________________________________ > Intel-gfx mailing list > [email protected] > https://lists.freedesktop.org/mailman/listinfo/intel-gfx _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
