Re: [PATCH v2 10/15] drm/renesas/shmobile: remove dependency on DRM simple helpers

Geert Uytterhoeven <[email protected]> Mon, 3 Aug 2026 14:48:14 +0200
Newsgroups org.kernel.vger.linux-samsung-soc,dev.linux.lists.imx,dev.linux.lists.virtualization,org.freedesktop.lists.dri-devel,org.infradead.lists.linux-amlogic,org.infradead.lists.linux-mediatek,org.kernel.vger.linux-doc,org.kernel.vger.linux-kernel,org.kernel.vger.linux-renesas-soc,org.kernel.vger.linux-tegra
Message-ID <CAMuHMdUe0F06RE4ahWb9ERFq0_pnNy-qGZ5ewod+59x-RtU_FQ@mail.gmail.com>
Hi Diogo,

On Mon, 20 Jul 2026 at 17:41, Diogo Silva <[email protected]> wrote:
> The simple KMS helpers are deprecated because they only add an
> intermediate layer between drivers and atomic modesetting.
>
> Open-code drm_simple_encoder_init() by calling drm_encoder_init()
> directly and providing driver-local drm_encoder_funcs.
>
> Signed-off-by: Diogo Silva <[email protected]>

Thanks for your patch!

> --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c
> +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c

> @@ -29,7 +30,6 @@
>  #include <drm/drm_modeset_helper_vtables.h>
>  #include <drm/drm_panel.h>
>  #include <drm/drm_probe_helper.h>
> -#include <drm/drm_simple_kms_helper.h>
>  #include <drm/drm_vblank.h>
>
>  #include <video/videomode.h>
> @@ -436,6 +436,10 @@ static const struct drm_encoder_helper_funcs encoder_helper_funcs = {
>         .mode_fixup = shmob_drm_encoder_mode_fixup,
>  };
>
> +static const struct drm_encoder_funcs shmob_encoder_funcs = {

Nit: shmob_drm_encoder_funcs?

> +       .destroy = drm_encoder_cleanup,
> +};
> +
>  /* -----------------------------------------------------------------------------
>   * Encoder
>   */

Reviewed-by: Geert Uytterhoeven <[email protected]>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [email protected]

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