The DRM core handles legacy gamma-set ioctl by setting GAMMA_LUT and
clearing CTM and DEGAMMA_LUT.
This works fine on HW where we have either:
degamma -> ctm -> gamma -> out
or
ctm -> gamma -> out
However, if the HW has gamma table before ctm, the atomic property
should be DEGAMMA_LUT, and thu
Hi Tomi,
Thank you for the patch.
On Fri, Dec 11, 2020 at 01:42:37PM +0200, Tomi Valkeinen wrote:
> The DRM core handles legacy gamma-set ioctl by setting GAMMA_LUT and
> clearing CTM and DEGAMMA_LUT.
>
> This works fine on HW where we have either:
>
> degamma -> ctm -> gamma -> out
>
> or
>
