[PATCH] drm/rockchip: vop: Fix noise on resolutions >2560

[Daniel Stone]

Hi Konstantin,

On Thu, 3 Apr 2025 at 07:45, Konstantin Shabanov <mail at etehtsea.me> wrote:
> Disable AFBC for resolutions bigger than 2560x1600 as RK3399 doesn't
> support them.
>
> From the datasheet[1] ("1.2.10 Video IN/OUT", "Display Interface", p. 17):
>
>   Support AFBC function co-operation with GPU
>     * support 2560x1600 UI

You could even fail the framebuffer creation, so userspace knows early
it can never work, as opposed to -EINVAL from atomic_check which could
mean ~anything.

Cheers,
Daniel