linux-kernel - Re: [PATCH v2 11/20] drm: sti: Rely on the default ->best

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Message-ID: <5757E6EC.1050802@st.com>
Date:	Wed, 8 Jun 2016 11:35:40 +0200
From:	Vincent ABRIOU <vincent.abriou@...com>
To:	Boris Brezillon <boris.brezillon@...e-electrons.com>,
	David Airlie <airlied@...ux.ie>,
	Daniel Vetter <daniel@...ll.ch>,
	"dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
	Daniel Vetter <daniel.vetter@...el.com>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Kukjin Kim <kgene@...nel.org>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	"linux-samsung-soc@...r.kernel.org" 
	<linux-samsung-soc@...r.kernel.org>,
	"intel-gfx@...ts.freedesktop.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>,
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	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
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	Heiko Stuebner <heiko@...ech.de>,
	Benjamin Gaignard <benjamin.gaignard@...aro.org>,
	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>,
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	<linux-mediatek@...ts.infradead.org>,
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	<virtualization@...ts.linux-foundation.org>
Subject: Re: [PATCH v2 11/20] drm: sti: Rely on the default ->best_encoder()
 behavior

Hi Boris,

Thanks for the patch.

Acked-by: Vincent Abriou <vincent.abriou@...com>

Vincent

On 06/07/2016 01:48 PM, Boris Brezillon wrote:
> All outputs 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() implementations 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/sti/sti_dvo.c  | 10 ----------
>   drivers/gpu/drm/sti/sti_hda.c  | 10 ----------
>   drivers/gpu/drm/sti/sti_hdmi.c | 10 ----------
>   3 files changed, 30 deletions(-)
>
> diff --git a/drivers/gpu/drm/sti/sti_dvo.c b/drivers/gpu/drm/sti/sti_dvo.c
> index 25f7663..d5627d1 100644
> --- a/drivers/gpu/drm/sti/sti_dvo.c
> +++ b/drivers/gpu/drm/sti/sti_dvo.c
> @@ -384,20 +384,10 @@ static int sti_dvo_connector_mode_valid(struct drm_connector *connector,
>   	return MODE_OK;
>   }
>
> -struct drm_encoder *sti_dvo_best_encoder(struct drm_connector *connector)
> -{
> -	struct sti_dvo_connector *dvo_connector
> -		= to_sti_dvo_connector(connector);
> -
> -	/* Best encoder is the one associated during connector creation */
> -	return dvo_connector->encoder;
> -}
> -
>   static const
>   struct drm_connector_helper_funcs sti_dvo_connector_helper_funcs = {
>   	.get_modes = sti_dvo_connector_get_modes,
>   	.mode_valid = sti_dvo_connector_mode_valid,
> -	.best_encoder = sti_dvo_best_encoder,
>   };
>
>   static enum drm_connector_status
> diff --git a/drivers/gpu/drm/sti/sti_hda.c b/drivers/gpu/drm/sti/sti_hda.c
> index f7d3464..c4649f5 100644
> --- a/drivers/gpu/drm/sti/sti_hda.c
> +++ b/drivers/gpu/drm/sti/sti_hda.c
> @@ -676,20 +676,10 @@ static int sti_hda_connector_mode_valid(struct drm_connector *connector,
>   	return MODE_OK;
>   }
>
> -struct drm_encoder *sti_hda_best_encoder(struct drm_connector *connector)
> -{
> -	struct sti_hda_connector *hda_connector
> -		= to_sti_hda_connector(connector);
> -
> -	/* Best encoder is the one associated during connector creation */
> -	return hda_connector->encoder;
> -}
> -
>   static const
>   struct drm_connector_helper_funcs sti_hda_connector_helper_funcs = {
>   	.get_modes = sti_hda_connector_get_modes,
>   	.mode_valid = sti_hda_connector_mode_valid,
> -	.best_encoder = sti_hda_best_encoder,
>   };
>
>   static enum drm_connector_status
> diff --git a/drivers/gpu/drm/sti/sti_hdmi.c b/drivers/gpu/drm/sti/sti_hdmi.c
> index 6ef0715..dc9ab6e 100644
> --- a/drivers/gpu/drm/sti/sti_hdmi.c
> +++ b/drivers/gpu/drm/sti/sti_hdmi.c
> @@ -897,20 +897,10 @@ static int sti_hdmi_connector_mode_valid(struct drm_connector *connector,
>   	return MODE_OK;
>   }
>
> -struct drm_encoder *sti_hdmi_best_encoder(struct drm_connector *connector)
> -{
> -	struct sti_hdmi_connector *hdmi_connector
> -		= to_sti_hdmi_connector(connector);
> -
> -	/* Best encoder is the one associated during connector creation */
> -	return hdmi_connector->encoder;
> -}
> -
>   static const
>   struct drm_connector_helper_funcs sti_hdmi_connector_helper_funcs = {
>   	.get_modes = sti_hdmi_connector_get_modes,
>   	.mode_valid = sti_hdmi_connector_mode_valid,
> -	.best_encoder = sti_hdmi_best_encoder,
>   };
>
>   /* get detection status of display device */
>