[PATCH] atmel_lcdfb: support 16bit BGR:565 mode, remove unsupported 15bit modes

[Nicolas Ferre]

On 01/09/2012 03:49 AM, Florian Tobias Schandinat :
> Hi Peter,
> 
> On 01/05/2012 11:26 AM, Peter Korsgaard wrote:
>>>>>>> "Peter" == Peter Korsgaard <jacmet at sunsite.dk> writes:
>>
>>  Peter> Allow framebuffer to be configured in 16bit mode when panel is
>>  Peter> wired in (the default) BGR configuration, and don't claim to
>>  Peter> support 15bit input modes, which the LCD controller cannot
>>  Peter> handle.
>>
>> Ping? Nicolas, you added it to your at91-lcd branch - But it doesn't seem
>> to have gone any further.
> 
> I could also take care of this patch but I'd prefer if it gets an Acked-by of
> someone at Atmel (or someone else who knows the hardware) as I cannot really
> tell whether it is correct.

Here is my:

Acked-by: Nicolas Ferre <nicolas.ferre at atmel.com>

Thank you Florian for taking care of it.

Best regards,

>>  Peter> Signed-off-by: Peter Korsgaard <jacmet at sunsite.dk>
>>  Peter> ---
>>  Peter>  drivers/video/atmel_lcdfb.c |   12 +++---------
>>  Peter>  1 files changed, 3 insertions(+), 9 deletions(-)
>>
>>  Peter> diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c
>>  Peter> index 7ca3eaf..143f6d9 100644
>>  Peter> --- a/drivers/video/atmel_lcdfb.c
>>  Peter> +++ b/drivers/video/atmel_lcdfb.c
>>  Peter> @@ -418,24 +418,18 @@ static int atmel_lcdfb_check_var(struct fb_var_screeninfo *var,
>>  var-> red.length = var->green.length = var->blue.length
>>  Peter>  			= var->bits_per_pixel;
>>  Peter>  		break;
>>  Peter> -	case 15:
>>  Peter>  	case 16:
>>  Peter>  		if (sinfo->lcd_wiring_mode == ATMEL_LCDC_WIRING_RGB) {
>>  Peter>  			/* RGB:565 mode */
>>  var-> red.offset = 11;
>>  var-> blue.offset = 0;
>>  Peter> -			var->green.length = 6;
>>  Peter> -		} else if (sinfo->lcd_wiring_mode == ATMEL_LCDC_WIRING_RGB555) {
>>  Peter> -			var->red.offset = 10;
>>  Peter> -			var->blue.offset = 0;
>>  Peter> -			var->green.length = 5;
>>  Peter>  		} else {
>>  Peter> -			/* BGR:555 mode */
>>  Peter> +			/* BGR:565 mode */
>>  var-> red.offset = 0;
>>  Peter> -			var->blue.offset = 10;
>>  Peter> -			var->green.length = 5;
>>  Peter> +			var->blue.offset = 11;
>>  Peter>  		}
>>  var-> green.offset = 5;
>>  Peter> +		var->green.length = 6;
>>  var-> red.length = var->blue.length = 5;
>>  Peter>  		break;
>>  Peter>  	case 32:
>>  Peter> -- 
>>  Peter> 1.7.6.3
>>
> 
> 


-- 
Nicolas Ferre