linux-kernel - Re: [PATCH v2 5/7] drm/mediatek: mtk

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Date:   Thu, 16 Apr 2020 20:28:05 +0300
From:   Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:     Enric Balletbo i Serra <enric.balletbo@...labora.com>
Cc:     linux-kernel@...r.kernel.org,
        Collabora Kernel ML <kernel@...labora.com>,
        matthias.bgg@...il.com, drinkcat@...omium.org, hsinyi@...omium.org,
        Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Daniel Vetter <daniel@...ll.ch>,
        David Airlie <airlied@...ux.ie>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH v2 5/7] drm/mediatek: mtk_dsi: Use simple encoder

Hi Enric,

Thank you for the patch.

On Thu, Apr 16, 2020 at 05:57:17PM +0200, Enric Balletbo i Serra wrote:
> The mtk_dsi driver uses an empty implementation for its encoder. Replace
> the code with the generic simple encoder.
> 
> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@...labora.com>

Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>

> ---
> 
> Changes in v2: None
> 
>  drivers/gpu/drm/mediatek/mtk_dsi.c | 14 +++-----------
>  1 file changed, 3 insertions(+), 11 deletions(-)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c
> index 3400d6686c85..48361c1e9f34 100644
> --- a/drivers/gpu/drm/mediatek/mtk_dsi.c
> +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c
> @@ -22,6 +22,7 @@
>  #include <drm/drm_panel.h>
>  #include <drm/drm_print.h>
>  #include <drm/drm_probe_helper.h>
> +#include <drm/drm_simple_kms_helper.h>
>  
>  #include "mtk_drm_ddp_comp.h"
>  
> @@ -788,15 +789,6 @@ static void mtk_output_dsi_disable(struct mtk_dsi *dsi)
>  	dsi->enabled = false;
>  }
>  
> -static void mtk_dsi_encoder_destroy(struct drm_encoder *encoder)
> -{
> -	drm_encoder_cleanup(encoder);
> -}
> -
> -static const struct drm_encoder_funcs mtk_dsi_encoder_funcs = {
> -	.destroy = mtk_dsi_encoder_destroy,
> -};
> -
>  static int mtk_dsi_create_conn_enc(struct drm_device *drm, struct mtk_dsi *dsi);
>  static void mtk_dsi_destroy_conn_enc(struct mtk_dsi *dsi);
>  
> @@ -1126,8 +1118,8 @@ static int mtk_dsi_encoder_init(struct drm_device *drm, struct mtk_dsi *dsi)
>  {
>  	int ret;
>  
> -	ret = drm_encoder_init(drm, &dsi->encoder, &mtk_dsi_encoder_funcs,
> -			       DRM_MODE_ENCODER_DSI, NULL);
> +	ret = drm_simple_encoder_init(drm, &dsi->encoder,
> +				      DRM_MODE_ENCODER_DSI);
>  	if (ret) {
>  		DRM_ERROR("Failed to encoder init to drm\n");
>  		return ret;

-- 
Regards,

Laurent Pinchart