[PATCH v11 3/8] drm: sun4i: de2/de3: add generic blender register reference function

[Chen-Yu Tsai]

On Fri, May 16, 2025 at 6:52 PM Ryan Walklin <ryan at testtoast.com> wrote:
>
> From: Jernej Skrabec <jernej.skrabec at gmail.com>
>
> The DE2 and DE3 engines have a blender register range within the
> mixer engine register map, whereas the DE33 separates this out into
> a separate display group.
>
> Prepare for this by adding a function to look the blender reference up,
> with a subsequent patch to add a conditional based on the DE type.
>
> Signed-off-by: Jernej Skrabec <jernej.skrabec at gmail.com>
> Signed-off-by: Ryan Walklin <ryan at testtoast.com>
> Acked-by: Maxime Ripard <mripard at kernel.org>

Reviewed-by: Chen-Yu Tsai <wens at csie.org>