[PATCH v4 1/2] drm: automatic legacy gamma support

[Tomi Valkeinen]

On 11/12/2020 13:50, Laurent Pinchart wrote:
> Hi Tomi,
> 
> Thank you for the patch.
> 
> On Fri, Dec 11, 2020 at 01:42:36PM +0200, Tomi Valkeinen wrote:
>> To support legacy gamma ioctls the drivers need to set
>> drm_crtc_funcs.gamma_set either to a custom implementation or to
>> drm_atomic_helper_legacy_gamma_set. Most of the atomic drivers do the
>> latter.
>>
>> We can simplify this by making the core handle it automatically.
>>
>> Move the drm_atomic_helper_legacy_gamma_set() functionality into
>> drm_color_mgmt.c to make drm_mode_gamma_set_ioctl() use
>> drm_crtc_funcs.gamma_set if set or GAMMA_LUT property if not.
>>
>> Signed-off-by: Tomi Valkeinen <tomi.valkeinen at ti.com>
> 
> Reviewed-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>

Thanks Laurent! If there are no objections, I'd like to push these to drm-misc-next tomorrow (along
with the omapdrm gamma + CTM patches).

 Tomi

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