linux-kernel - Re: [PATCH 16/20] drm: omap: Rely on the default ->best

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Message-ID: <3702911.4V6efqXNem@avalon>
Date:	Fri, 03 Jun 2016 00:00:07 +0300
From:	Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:	Boris Brezillon <boris.brezillon@...e-electrons.com>
Cc:	David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
	dri-devel@...ts.freedesktop.org,
	Daniel Vetter <daniel.vetter@...el.com>,
	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>,
	Matthias Brugger <matthias.bgg@...il.com>,
	Rob Clark <robdclark@...il.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 Re ding <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 16/20] drm: omap: Rely on the default ->best_encoder() behavior

Hi Boris,

Thank you for the patch.

On Thursday 02 Jun 2016 16:31:43 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>
> ---
>  drivers/gpu/drm/omapdrm/omap_connector.c | 8 --------
>  1 file changed, 8 deletions(-)
> 
> diff --git a/drivers/gpu/drm/omapdrm/omap_connector.c
> b/drivers/gpu/drm/omapdrm/omap_connector.c index ce2d67b..80af5e1 100644
> --- a/drivers/gpu/drm/omapdrm/omap_connector.c
> +++ b/drivers/gpu/drm/omapdrm/omap_connector.c
> @@ -256,13 +256,6 @@ static int omap_connector_mode_valid(struct
> drm_connector *connector, return ret;
>  }
> 
> -struct drm_encoder *omap_connector_attached_encoder(
> -		struct drm_connector *connector)
> -{
> -	struct omap_connector *omap_connector = to_omap_connector(connector);
> -	return omap_connector->encoder;

The omap_connector::encoder field is assigned but not used anymore, you can 
remove it.

With that fixed,

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

> -}
> -
>  static const struct drm_connector_funcs omap_connector_funcs = {
>  	.dpms = drm_atomic_helper_connector_dpms,
>  	.reset = drm_atomic_helper_connector_reset,
> @@ -276,7 +269,6 @@ static const struct drm_connector_funcs
> omap_connector_funcs = { static const struct drm_connector_helper_funcs
> omap_connector_helper_funcs = { .get_modes = omap_connector_get_modes,
>  	.mode_valid = omap_connector_mode_valid,
> -	.best_encoder = omap_connector_attached_encoder,
>  };
> 
>  /* initialize connector */

-- 
Regards,

Laurent Pinchart