[PATCH] video: stm32: stm32_ltdc: fix data enable polarity

Patrice CHOTARD patrice.chotard at foss.st.com
Tue May 10 09:32:52 CEST 2022



On 4/22/22 09:51, Patrice CHOTARD wrote:
> HI Yannick
> 
> On 4/6/22 10:37, Yannick FERTRE wrote:
>> Wrong DISPLAY_FLAGS used to set the data enable polarity.
>>
>> Signed-off-by: Yannick FERTRE <yannick.fertre at foss.st.com>
>> ---
>>
>>  drivers/video/stm32/stm32_ltdc.c | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/video/stm32/stm32_ltdc.c b/drivers/video/stm32/stm32_ltdc.c
>> index e741e74739..9269d4bfb4 100644
>> --- a/drivers/video/stm32/stm32_ltdc.c
>> +++ b/drivers/video/stm32/stm32_ltdc.c
>> @@ -255,7 +255,7 @@ static void stm32_ltdc_set_mode(struct stm32_ltdc_priv *priv,
>>  		val |= GCR_HSPOL;
>>  	if (timings->flags & DISPLAY_FLAGS_VSYNC_HIGH)
>>  		val |= GCR_VSPOL;
>> -	if (timings->flags & DISPLAY_FLAGS_DE_HIGH)
>> +	if (timings->flags & DISPLAY_FLAGS_DE_LOW)
>>  		val |= GCR_DEPOL;
>>  	if (timings->flags & DISPLAY_FLAGS_PIXDATA_NEGEDGE)
>>  		val |= GCR_PCPOL;
> 
> Reviewed-by: Patrice Chotard <patrice.chotard at foss.st.com>
> 
> Thanks 
> Patrice

Applied to u-boot-stm32

Thanks
Patrice


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