Commit 4073a4ee authored by Ville Syrjälä's avatar Ville Syrjälä
Browse files

drm/i915: Reset glk degamma index after programming/readout 



Just for some extra consistency let's reset the glk degamma LUT
index back to 0 after we're dong trawling the LUT.

Reviewed-by: default avatarUma Shankar <uma.shankar@intel.com>
Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200925131656.10022-6-ville.syrjala@linux.intel.com
parent e0122138

drivers/gpu/drm/i915/display/intel_color.c

+5 −1
Original line number Diff line number Diff line
@@ -824,6 +824,8 @@ static void glk_load_degamma_lut(const struct intel_crtc_state *crtc_state) 
	/* 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)