linux-kernel - Re: [PATCH v2 07/20] drm: mediatek: Rely on the default ->best

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Date:	Wed, 8 Jun 2016 13:17:07 +0200
From:	Matthias Brugger <matthias.bgg@...il.com>
To:	Boris Brezillon <boris.brezillon@...e-electrons.com>,
	David Airlie <airlied@...ux.ie>,
	Daniel Vetter <daniel@...ll.ch>,
	dri-devel@...ts.freedesktop.org,
	Daniel Vetter <daniel.vetter@...el.com>
Cc:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	Kukjin Kim <kgene@...nel.org>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	linux-samsung-soc@...r.kernel.org, intel-gfx@...ts.freedesktop.org,
	Jani Nikula <jani.nikula@...ux.intel.com>,
	Alexey Brodkin <abrodkin@...opsys.com>,
	Inki Dae <inki.dae@...sung.com>,
	Joonyoung Shim <jy0922.shim@...sung.com>,
	Seung-Woo Kim <sw0312.kim@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Stefan Agner <stefan@...er.ch>,
	Alison Wang <alison.wang@...escale.com>,
	Rob Clark <robdclark@...il.com>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Mark Yao <mark.yao@...k-chips.com>,
	Heiko Stuebner <heiko@...ech.de>,
	Benjamin Gaignard <benjamin.gaignard@...aro.org>,
	Vincent Abriou <vincent.abriou@...com>,
	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	Chen-Yu Tsai <wens@...e.org>,
	Thierry Reding <thierry.reding@...il.com>,
	Stephen Warren <swarren@...dotorg.org>,
	Alexandre Courbot <gnurou@...il.com>,
	Eric Anholt <eric@...olt.net>,
	Gerd Hoffmann <kraxel@...hat.com>,
	linux-mediatek@...ts.infradead.org, linux-arm-msm@...r.kernel.org,
	freedreno@...ts.freedesktop.org, linux-renesas-soc@...r.kernel.org,
	linux-rockchip@...ts.infradead.org, linux-tegra@...r.kernel.org,
	virtualization@...ts.linux-foundation.org
Subject: Re: [PATCH v2 07/20] drm: mediatek: Rely on the default
 ->best_encoder() behavior



On 07/06/16 13:48, Boris Brezillon wrote:
> We have a 1:1 relationship between connectors and encoders and the
> driver is relying on the atomic helpers: we can drop the custom
> ->best_encoder() implementation and let the core call
> drm_atomic_helper_best_encoder() for us.
>
> Signed-off-by: Boris Brezillon <boris.brezillon@...e-electrons.com>

Reviewed-by: Matthias Brugger <matthias.bgg@...il.com>

> ---
>   drivers/gpu/drm/mediatek/mtk_dsi.c | 9 ---------
>   1 file changed, 9 deletions(-)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c
> index 2d808e5..7343ffc 100644
> --- a/drivers/gpu/drm/mediatek/mtk_dsi.c
> +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c
> @@ -575,14 +575,6 @@ static int mtk_dsi_connector_get_modes(struct drm_connector *connector)
>   	return drm_panel_get_modes(dsi->panel);
>   }
>
> -static struct drm_encoder *mtk_dsi_connector_best_encoder(
> -		struct drm_connector *connector)
> -{
> -	struct mtk_dsi *dsi = connector_to_dsi(connector);
> -
> -	return &dsi->encoder;
> -}
> -
>   static const struct drm_encoder_helper_funcs mtk_dsi_encoder_helper_funcs = {
>   	.mode_fixup = mtk_dsi_encoder_mode_fixup,
>   	.mode_set = mtk_dsi_encoder_mode_set,
> @@ -603,7 +595,6 @@ static const struct drm_connector_funcs mtk_dsi_connector_funcs = {
>   static const struct drm_connector_helper_funcs
>   	mtk_dsi_connector_helper_funcs = {
>   	.get_modes = mtk_dsi_connector_get_modes,
> -	.best_encoder = mtk_dsi_connector_best_encoder,
>   };
>
>   static int mtk_drm_attach_bridge(struct drm_bridge *bridge,
>