[PATCH v3 27/37] drm/bridge: Add encoder parameter to drm_bridge_funcs.attach

[Doug Anderson]

Hi,

On Thu, Feb 13, 2025 at 6:45 AM Maxime Ripard <mripard at kernel.org> wrote:
>
> The drm_bridge structure contains an encoder pointer that is widely used
> by bridge drivers. This pattern is largely documented as deprecated in
> other KMS entities for atomic drivers.
>
> However, one of the main use of that pointer is done in attach to just
> call drm_bridge_attach on the next bridge to add it to the bridge list.
> While this dereferences the bridge->encoder pointer, it's effectively
> the same encoder the bridge was being attached to.
>
> We can make it more explicit by adding the encoder the bridge is
> attached to to the list of attach parameters. This also removes the need
> to dereference bridge->encoder in most drivers.
>
> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
> Signed-off-by: Maxime Ripard <mripard at kernel.org>

>From the point of view of ti-sn65dsi86 and parade-ps8640:

Reviewed-by: Douglas Anderson <dianders at chromium.org>
Tested-by: Douglas Anderson <dianders at chromium.org>