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git.baikalelectronics.ru Git - kernel.git/commit
drm/amd/display: Check ramp != NULL before applying lut1d for degamma
[Why]
A NULL ramp is a valid configuration for passing into
mod_color_calculate_degamma_params but we'll hit a NULL pointer if we do
so.
We need this in order to get the right transfer function to do degamma
on NV12 formats where we aren't supplied with a custom user degamma.
[How]
Add the NULL check.
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Reviewed-by: Zhan Liu <Zhan.Liu@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>