[PATCH 4/5] drm/ofdrm: Use helpers for programming gamma ramps

[Javier Martinez Canillas]

Thomas Zimmermann <tzimmermann at suse.de> writes:

> Replace ofdrm's code for programming the hardware gamma LUT with
> DRM helpers. Either load a provided gamma ramp or program a default.
> Set the individual entries with a callback.
>
> Each gamma value is given as 3 individual 16-bit values for red,
> green and blue. The driver reduces them to 8 bit to make them fit
> into hardware registers.
>
> Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>
> ---
>  drivers/gpu/drm/sysfb/ofdrm.c | 78 +++++++++++++----------------------
>  1 file changed, 29 insertions(+), 49 deletions(-)
>
> diff --git a/drivers/gpu/drm/sysfb/ofdrm.c b/drivers/gpu/drm/sysfb/ofdrm.c
> index fddfe8bea9f7..96fafdc8dd5e 100644
> --- a/drivers/gpu/drm/sysfb/ofdrm.c
> +++ b/drivers/gpu/drm/sysfb/ofdrm.c
> @@ -8,6 +8,7 @@

Looks good to me.

Reviewed-by: Javier Martinez Canillas <javierm at redhat.com>

-- 
Best regards,

Javier Martinez Canillas
Core Platforms
Red Hat