[PATCH 1/3] video: stm32: stm32_ltdc: fix data enable polarity

Sascha Hauer sha at pengutronix.de
Mon Jul 11 03:43:49 PDT 2022


On Fri, Jul 08, 2022 at 07:52:48AM +0200, Ahmad Fatoum wrote:
> From: Yannick FERTRE <yannick.fertre at foss.st.com>
> 
> Wrong DISPLAY_FLAGS used to set the data enable polarity.
> 
> Signed-off-by: Yannick FERTRE <yannick.fertre at foss.st.com>
> Origin: https://st-md-mailman.stormreply.com/pipermail/uboot-stm32/2022-April/005122.html
> [afa: cherry-picked from U-Boot driver]
> Signed-off-by: Ahmad Fatoum <ahmad at a3f.at>
> ---
>  drivers/video/stm32_ltdc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Applied, thanks

Sascha

> 
> diff --git a/drivers/video/stm32_ltdc.c b/drivers/video/stm32_ltdc.c
> index 645c20b5545f..9dc35ade6124 100644
> --- a/drivers/video/stm32_ltdc.c
> +++ b/drivers/video/stm32_ltdc.c
> @@ -98,7 +98,7 @@ static void ltdc_set_mode(struct ltdc_fb *priv,
>  		val |= GCR_HSPOL;
>  	if (mode->sync & FB_SYNC_VERT_HIGH_ACT)
>  		val |= GCR_VSPOL;
> -	if (mode->display_flags & DISPLAY_FLAGS_DE_HIGH)
> +	if (mode->display_flags & DISPLAY_FLAGS_DE_LOW)
>  		val |= GCR_DEPOL;
>  	if (mode->display_flags & DISPLAY_FLAGS_PIXDATA_NEGEDGE)
>  		val |= GCR_PCPOL;
> -- 
> 2.34.1
> 
> 
> 

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