linux-kernel - Re: [PATCH 04/17] drm: rcar-du: Use the correct naming for ODPM fields in DEFR6

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Date:   Thu, 26 Apr 2018 23:18:12 +0300
From:   Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:     Kieran Bingham <kieran.bingham+renesas@...asonboard.com>
Cc:     linux-renesas-soc@...r.kernel.org, David Airlie <airlied@...ux.ie>,
        "open list:DRM DRIVERS FOR RENESAS" <dri-devel@...ts.freedesktop.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 04/17] drm: rcar-du: Use the correct naming for ODPM fields in DEFR6

Hi Kieran,

Thank you for the patch.

On Thursday, 26 April 2018 19:53:33 EEST Kieran Bingham wrote:
> The naming of the fields for the ODPM signals in the DU extensional
> function control register 6 (DEFR6) is incorrect against the data sheets
> for both R-Car Gen2 and R-Car Gen3.
> 
> Rename the fields to match the datasheet.
> 
> Signed-off-by: Kieran Bingham <kieran.bingham+renesas@...asonboard.com>

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

and taken in my tree.

> ---
>  drivers/gpu/drm/rcar-du/rcar_du_group.c |  4 ++--
>  drivers/gpu/drm/rcar-du/rcar_du_regs.h  | 16 ++++++++--------
>  2 files changed, 10 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_group.c
> b/drivers/gpu/drm/rcar-du/rcar_du_group.c index 2f37ea901873..eead202c95c7
> 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_group.c
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_group.c
> @@ -46,10 +46,10 @@ void rcar_du_group_write(struct rcar_du_group *rgrp, u32
> reg, u32 data)
> 
>  static void rcar_du_group_setup_pins(struct rcar_du_group *rgrp)
>  {
> -	u32 defr6 = DEFR6_CODE | DEFR6_ODPM12_DISP;
> +	u32 defr6 = DEFR6_CODE | DEFR6_ODPM02_DISP;
> 
>  	if (rgrp->num_crtcs > 1)
> -		defr6 |= DEFR6_ODPM22_DISP;
> +		defr6 |= DEFR6_ODPM12_DISP;
> 
>  	rcar_du_group_write(rgrp, DEFR6, defr6);
>  }
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_regs.h
> b/drivers/gpu/drm/rcar-du/rcar_du_regs.h index d5bae99d3cfe..9dfd220ceda1
> 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_regs.h
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_regs.h
> @@ -187,14 +187,14 @@
> 
>  #define DEFR6			0x000e8
>  #define DEFR6_CODE		(0x7778 << 16)
> -#define DEFR6_ODPM22_DSMR	(0 << 10)
> -#define DEFR6_ODPM22_DISP	(2 << 10)
> -#define DEFR6_ODPM22_CDE	(3 << 10)
> -#define DEFR6_ODPM22_MASK	(3 << 10)
> -#define DEFR6_ODPM12_DSMR	(0 << 8)
> -#define DEFR6_ODPM12_DISP	(2 << 8)
> -#define DEFR6_ODPM12_CDE	(3 << 8)
> -#define DEFR6_ODPM12_MASK	(3 << 8)
> +#define DEFR6_ODPM12_DSMR	(0 << 10)
> +#define DEFR6_ODPM12_DISP	(2 << 10)
> +#define DEFR6_ODPM12_CDE	(3 << 10)
> +#define DEFR6_ODPM12_MASK	(3 << 10)
> +#define DEFR6_ODPM02_DSMR	(0 << 8)
> +#define DEFR6_ODPM02_DISP	(2 << 8)
> +#define DEFR6_ODPM02_CDE	(3 << 8)
> +#define DEFR6_ODPM02_MASK	(3 << 8)
>  #define DEFR6_TCNE1		(1 << 6)
>  #define DEFR6_TCNE0		(1 << 4)
>  #define DEFR6_MLOS1		(1 << 2)

-- 
Regards,

Laurent Pinchart