[PATCH 10/18] drm/sysfb: Merge CRTC functions

Javier Martinez Canillas javierm at redhat.com
Mon Mar 31 09:00:24 UTC 2025


Thomas Zimmermann <tzimmermann at suse.de> writes:

> Merge the CRTC functions of ofdrm and simpledrm. Replace the code
> in each driver with the shared helpers. Set up callbacks with
> initializer macros.
>
> Ofdrm supports a gamma LUT, while simpledrm does not. So far ofdrm's
> LUT size has been hard-coded in the driver CRTC's atomic_check helper.
> Now pass the size of the LUT to the sysfb device. Ofdrm's custom
> atomic_flush is still required to apply changes to the LUT. Simpledrm
> passes a LUT size of 0, which disables the gamma LUT.
>
> Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>
> ---

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

-- 
Best regards,

Javier Martinez Canillas
Core Platforms
Red Hat



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