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From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: Jacopo Mondi <jacopo+renesas@jmondi.org>
Cc: kieran.bingham+renesas@ideasonboard.com, airlied@linux.ie,
	daniel@ffwll.ch, koji.matsuoka.xm@renesas.com, muroya@ksk.co.jp,
	VenkataRajesh.Kalakodima@in.bosch.com,
	Harsha.ManjulaMallikarjun@in.bosch.com,
	linux-renesas-soc@vger.kernel.org,
	dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 15/20] drm: rcar-du: Claim CMM support for Gen3 SoCs
Date: Fri, 7 Jun 2019 14:38:45 +0300
Message-ID: <20190607113845.GD7593@pendragon.ideasonboard.com> (raw)
In-Reply-To: <20190606142220.1392-16-jacopo+renesas@jmondi.org>

Hi Jacopo,

Thank you for the patch.

On Thu, Jun 06, 2019 at 04:22:15PM +0200, Jacopo Mondi wrote:
> Add CMM to the list of supported features for Gen3 SoCs that provide it:
> - R8A7795
> - R8A7796
> - R8A77965
> - R8A7799x
> 
> Leave R8A77970 out as V3M and V3H are the only Gen3 SoCs that do not
> support CMM.
> 
> Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>

Do we actually need this ? Could we just skip CMM handling if the cmms
property isn't set in DT ?

> ---
>  drivers/gpu/drm/rcar-du/rcar_du_drv.c | 12 ++++++++----
>  drivers/gpu/drm/rcar-du/rcar_du_drv.h |  1 +
>  2 files changed, 9 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
> index 75ab17af13a9..1e69cfa11798 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
> @@ -247,7 +247,8 @@ static const struct rcar_du_device_info rcar_du_r8a7795_info = {
>  	.features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK
>  		  | RCAR_DU_FEATURE_VSP1_SOURCE
>  		  | RCAR_DU_FEATURE_INTERLACED
> -		  | RCAR_DU_FEATURE_TVM_SYNC,
> +		  | RCAR_DU_FEATURE_TVM_SYNC
> +		  | RCAR_DU_FEATURE_CMM,
>  	.channels_mask = BIT(3) | BIT(2) | BIT(1) | BIT(0),
>  	.routes = {
>  		/*
> @@ -280,7 +281,8 @@ static const struct rcar_du_device_info rcar_du_r8a7796_info = {
>  	.features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK
>  		  | RCAR_DU_FEATURE_VSP1_SOURCE
>  		  | RCAR_DU_FEATURE_INTERLACED
> -		  | RCAR_DU_FEATURE_TVM_SYNC,
> +		  | RCAR_DU_FEATURE_TVM_SYNC
> +		  | RCAR_DU_FEATURE_CMM,
>  	.channels_mask = BIT(2) | BIT(1) | BIT(0),
>  	.routes = {
>  		/*
> @@ -309,7 +311,8 @@ static const struct rcar_du_device_info rcar_du_r8a77965_info = {
>  	.features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK
>  		  | RCAR_DU_FEATURE_VSP1_SOURCE
>  		  | RCAR_DU_FEATURE_INTERLACED
> -		  | RCAR_DU_FEATURE_TVM_SYNC,
> +		  | RCAR_DU_FEATURE_TVM_SYNC
> +		  | RCAR_DU_FEATURE_CMM,
>  	.channels_mask = BIT(3) | BIT(1) | BIT(0),
>  	.routes = {
>  		/*
> @@ -357,7 +360,8 @@ static const struct rcar_du_device_info rcar_du_r8a77970_info = {
>  static const struct rcar_du_device_info rcar_du_r8a7799x_info = {
>  	.gen = 3,
>  	.features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK
> -		  | RCAR_DU_FEATURE_VSP1_SOURCE,
> +		  | RCAR_DU_FEATURE_VSP1_SOURCE
> +		  | RCAR_DU_FEATURE_CMM,
>  	.channels_mask = BIT(1) | BIT(0),
>  	.routes = {
>  		/*
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.h b/drivers/gpu/drm/rcar-du/rcar_du_drv.h
> index 1327cd0df90a..a00dccc447aa 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.h
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.h
> @@ -28,6 +28,7 @@ struct rcar_du_encoder;
>  #define RCAR_DU_FEATURE_VSP1_SOURCE	BIT(1)	/* Has inputs from VSP1 */
>  #define RCAR_DU_FEATURE_INTERLACED	BIT(2)	/* HW supports interlaced */
>  #define RCAR_DU_FEATURE_TVM_SYNC	BIT(3)	/* Has TV switch/sync modes */
> +#define RCAR_DU_FEATURE_CMM		BIT(4)	/* Has CMM */
>  
>  #define RCAR_DU_QUIRK_ALIGN_128B	BIT(0)	/* Align pitches to 128 bytes */
>  

-- 
Regards,

Laurent Pinchart

  reply index

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-06 14:22 [PATCH 00/20] drm: rcar-du: Add Color Management Module (CMM) Jacopo Mondi
2019-06-06 14:22 ` [PATCH 01/20] dt-bindings: display: renesas,cmm: Add R-Car CMM documentation Jacopo Mondi
2019-06-06 16:52   ` Laurent Pinchart
2019-06-06 18:06   ` Geert Uytterhoeven
2019-06-06 20:19   ` Sergei Shtylyov
2019-06-06 14:22 ` [PATCH 02/20] dt-bindings: display, renesas,du: Document cmms property Jacopo Mondi
2019-06-06 16:52   ` Laurent Pinchart
2019-06-06 14:22 ` [PATCH 03/20] dt-bindings: display, renesas,du: Update 'vsps' in example Jacopo Mondi
2019-06-06 16:53   ` Laurent Pinchart
2019-06-06 20:00     ` Geert Uytterhoeven
2019-06-07 11:36       ` Laurent Pinchart
2019-06-06 14:22 ` [PATCH 04/20] clk: renesas: r8a7796: Add CMM clocks Jacopo Mondi
2019-06-06 14:22 ` [PATCH 05/20] clk: renesas: r8a7795: " Jacopo Mondi
2019-06-06 16:58   ` Laurent Pinchart
2019-06-06 18:18     ` Jacopo Mondi
2019-06-12  7:41   ` Geert Uytterhoeven
2019-06-06 14:22 ` [PATCH 06/20] clk: renesas: r8a77965: " Jacopo Mondi
2019-06-06 16:59   ` Laurent Pinchart
2019-06-12  7:43   ` Geert Uytterhoeven
2019-06-06 14:22 ` [PATCH 07/20] clk: renesas: r8a77990: " Jacopo Mondi
2019-06-06 17:00   ` Laurent Pinchart
2019-06-12  7:43   ` Geert Uytterhoeven
2019-06-06 14:22 ` [PATCH 08/20] clk: renesas: r8a77995: " Jacopo Mondi
2019-06-06 17:00   ` Laurent Pinchart
2019-06-12  7:44   ` Geert Uytterhoeven
2019-06-06 14:22 ` [PATCH 09/20] arm64: dts: renesas: r8a7796: Add CMM units Jacopo Mondi
2019-06-06 17:04   ` Laurent Pinchart
2019-06-06 14:22 ` [PATCH 10/20] arm64: dts: renesas: r8a7795: " Jacopo Mondi
2019-06-06 17:06   ` Laurent Pinchart
2019-06-06 14:22 ` [PATCH 11/20] arm64: dts: renesas: r8a77965: " Jacopo Mondi
2019-06-06 17:06   ` Laurent Pinchart
2019-06-06 14:22 ` [PATCH 12/20] arm64: dts: renesas: r8a77990: " Jacopo Mondi
2019-06-06 17:07   ` Laurent Pinchart
2019-06-06 14:22 ` [PATCH 13/20] arm64: dts: renesas: r8a77995: " Jacopo Mondi
2019-06-06 17:08   ` Laurent Pinchart
2019-06-06 14:22 ` [PATCH 14/20] drm: rcar-du: Add support for CMM Jacopo Mondi
2019-06-07 11:35   ` Laurent Pinchart
2019-06-07 11:44     ` Laurent Pinchart
2019-06-07 12:18     ` Laurent Pinchart
2019-06-14  8:54     ` Jacopo Mondi
2019-06-06 14:22 ` [PATCH 15/20] drm: rcar-du: Claim CMM support for Gen3 SoCs Jacopo Mondi
2019-06-07 11:38   ` Laurent Pinchart [this message]
2019-06-06 14:22 ` [PATCH 16/20] drm: rcar-du: kms: Collect CMM instances Jacopo Mondi
2019-06-07 11:49   ` Laurent Pinchart
2019-06-06 14:22 ` [PATCH 17/20] drm: rcar-du: crtc: Enable and disable CMMs Jacopo Mondi
2019-06-07 11:51   ` Laurent Pinchart
2019-06-06 14:22 ` [PATCH 18/20] drm: rcar-du: group: Enable DU's CMM extension Jacopo Mondi
2019-06-07 11:55   ` Laurent Pinchart
2019-06-06 14:22 ` [PATCH 19/20] drm: rcar-du: crtc: Register GAMMA_LUT properties Jacopo Mondi
2019-06-07 12:03   ` Laurent Pinchart
2019-06-14  8:15     ` Jacopo Mondi
2019-06-14  8:42       ` Daniel Vetter
2019-06-14  9:27         ` Jacopo Mondi
2019-06-14 14:47           ` Daniel Vetter
2019-06-06 14:22 ` [PATCH 20/20] drm: rcar-du: kms: Update CMM in atomic commit tail Jacopo Mondi
2019-06-07 12:06   ` Laurent Pinchart
2019-06-14  8:19     ` Jacopo Mondi
2019-09-12 23:39       ` Laurent Pinchart

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