linux-kernel - Re: [PATCH] drm/tilcdc: fix raster control register setting

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Message-ID: <50498874-57ed-41c1-7a6e-982529e1e882@ideasonboard.com>
Date:   Mon, 15 Feb 2021 10:55:24 +0200
From:   Tomi Valkeinen <tomi.valkeinen@...asonboard.com>
To:     Dario Binacchi <dariobin@...ero.it>, linux-kernel@...r.kernel.org,
        Jyri Sarha <jyri.sarha@....fi>
Cc:     Daniel Vetter <daniel@...ll.ch>, David Airlie <airlied@...ux.ie>,
        dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH] drm/tilcdc: fix raster control register setting

Adding Jyri with the non-TI address.

 Tomi

On 14/02/2021 15:16, Dario Binacchi wrote:
> The fdd property of the tilcdc_panel_info structure must set the reqdly
> bit field  (bit 12 to 19) of the raster control register. The previous
> statement set the least significant bit instead.
> 
> Signed-off-by: Dario Binacchi <dariobin@...ero.it>
> 
> ---
> 
>  drivers/gpu/drm/tilcdc/tilcdc_crtc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
> index 30213708fc99..238068e28729 100644
> --- a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
> +++ b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
> @@ -393,7 +393,7 @@ static void tilcdc_crtc_set_mode(struct drm_crtc *crtc)
>  			return;
>  		}
>  	}
> -	reg |= info->fdd < 12;
> +	reg |= info->fdd << 12;
>  	tilcdc_write(dev, LCDC_RASTER_CTRL_REG, reg);
>  
>  	if (info->invert_pxl_clk)
>