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authorVille Syrjälä <ville.syrjala@linux.intel.com>2022-10-24 19:15:10 +0300
committerVille Syrjälä <ville.syrjala@linux.intel.com>2022-10-26 01:37:39 +0300
commit5ca1493e252a8b9cdb573b45bea200735dfbddb9 (patch)
treebd37cd25bd2a2651aa13208442fb5e73eb09b28c /drivers
parentf5e674e92e9526430e01ef996bef5b50723f59bc (diff)
drm/i915: Make ilk_load_luts() deal with degamma
Make ilk_load_luts() ready for a degamma lut. Currently we never have one, but soon we may get one from readout, and I think we may want to change the state computation such that we may end up with one even when userspace has simply supplied a gamma lut. At least the code now follows the path laid out by the ivb/bdw counterpars. Reviewed-by: Uma Shankar <uma.shankar@intel.com> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20221024161514.5340-2-ville.syrjala@linux.intel.com
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/i915/display/intel_color.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_color.c b/drivers/gpu/drm/i915/display/intel_color.c
index 123c57ceeb73..ff5f462b1c49 100644
--- a/drivers/gpu/drm/i915/display/intel_color.c
+++ b/drivers/gpu/drm/i915/display/intel_color.c
@@ -649,13 +649,15 @@ static void ilk_load_luts(const struct intel_crtc_state *crtc_state)
{
struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
const struct drm_property_blob *gamma_lut = crtc_state->hw.gamma_lut;
+ const struct drm_property_blob *degamma_lut = crtc_state->hw.degamma_lut;
+ const struct drm_property_blob *blob = gamma_lut ?: degamma_lut;
switch (crtc_state->gamma_mode) {
case GAMMA_MODE_MODE_8BIT:
- ilk_load_lut_8(crtc, gamma_lut);
+ ilk_load_lut_8(crtc, blob);
break;
case GAMMA_MODE_MODE_10BIT:
- ilk_load_lut_10(crtc, gamma_lut);
+ ilk_load_lut_10(crtc, blob);
break;
default:
MISSING_CASE(crtc_state->gamma_mode);