[PATCH] drm: rcar-du: Use drmm_encoder_alloc() to manage encoder

[Geert Uytterhoeven]

On Wed, Jan 13, 2021 at 6:02 PM Kieran Bingham
<kieran.bingham+renesas at ideasonboard.com> wrote:
> The encoder allocation was converted to a DRM managed resource at the
> same time as the addition of a new helper drmm_encoder_alloc() which
> simplifies the same process.
>
> Convert the custom drm managed resource allocation of the encoder
> with the helper to simplify the implementation, and prevent hitting a
> WARN_ON() due to the handling the drm_encoder_init() call directly
> without registering a .destroy() function op.
>
> Fixes: f5f16725edbc ("drm: rcar-du: Use DRM-managed allocation for encoders")
> Reported-by: Geert Uytterhoeven <geert+renesas at glider.be>
> Signed-off-by: Kieran Bingham <kieran.bingham+renesas at ideasonboard.com>

Tested-by: Geert Uytterhoeven <geert+renesas at glider.be>
As in "the WARNING from drm_encoder_init() is gone".

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds