Re: [PATCH v12 14/33] rcar-vin: align pixelformat check

[Hans Verkuil]

On 07/03/18 23:04, Niklas Söderlund wrote:
> If the pixelformat is not supported it should not fail but be set to
> something that works. While we are at it move the two different
> checks of the pixelformat to the same statement.
> 
> Signed-off-by: Niklas Söderlund 
> Reviewed-by: Laurent Pinchart 

Reviewed-by: Hans Verkuil 

Regards,

Hans

> ---
>  drivers/media/platform/rcar-vin/rcar-v4l2.c | 14 +++---
>  1 file changed, 3 insertions(+), 11 deletions(-)
> 
> diff --git a/drivers/media/platform/rcar-vin/rcar-v4l2.c 
> b/drivers/media/platform/rcar-vin/rcar-v4l2.c
> index 55fa69aa7c454928..01f2a14169a74ff3 100644
> --- a/drivers/media/platform/rcar-vin/rcar-v4l2.c
> +++ b/drivers/media/platform/rcar-vin/rcar-v4l2.c
> @@ -187,12 +187,10 @@ static int __rvin_try_format(struct rvin_dev *vin,
>   u32 walign;
>   int ret;
>  
> - /* If requested format is not supported fallback to the default */
> - if (!rvin_format_from_pixel(pix->pixelformat)) {
> - vin_dbg(vin, "Format 0x%x not found, using default 0x%x\n",
> - pix->pixelformat, RVIN_DEFAULT_FORMAT);
> + if (!rvin_format_from_pixel(pix->pixelformat) ||
> + (vin->info->model == RCAR_M1 &&
> +  pix->pixelformat == V4L2_PIX_FMT_XBGR32))
>   pix->pixelformat = RVIN_DEFAULT_FORMAT;
> - }
>  
>   /* Limit to source capabilities */
>   ret = __rvin_try_format_source(vin, which, pix, source);
> @@ -231,12 +229,6 @@ static int __rvin_try_format(struct rvin_dev *vin,
>   pix->bytesperline = rvin_format_bytesperline(pix);
>   pix->sizeimage = rvin_format_sizeimage(pix);
>  
> - if (vin->info->model == RCAR_M1 &&
> - pix->pixelformat == V4L2_PIX_FMT_XBGR32) {
> - vin_err(vin, "pixel format XBGR32 not supported on M1\n");
> - return -EINVAL;
> - }
> -
>   vin_dbg(vin, "Format %ux%u bpl: %d size: %d\n",
>   pix->width, pix->height, pix->bytesperline, pix->sizeimage);
>  
> 

[PATCH v12 14/33] rcar-vin: align pixelformat check

[Niklas Söderlund]

If the pixelformat is not supported it should not fail but be set to
something that works. While we are at it move the two different
checks of the pixelformat to the same statement.

Signed-off-by: Niklas Söderlund 
Reviewed-by: Laurent Pinchart 
---
 drivers/media/platform/rcar-vin/rcar-v4l2.c | 14 +++---
 1 file changed, 3 insertions(+), 11 deletions(-)

diff --git a/drivers/media/platform/rcar-vin/rcar-v4l2.c 
b/drivers/media/platform/rcar-vin/rcar-v4l2.c
index 55fa69aa7c454928..01f2a14169a74ff3 100644
--- a/drivers/media/platform/rcar-vin/rcar-v4l2.c
+++ b/drivers/media/platform/rcar-vin/rcar-v4l2.c
@@ -187,12 +187,10 @@ static int __rvin_try_format(struct rvin_dev *vin,
u32 walign;
int ret;
 
-   /* If requested format is not supported fallback to the default */
-   if (!rvin_format_from_pixel(pix->pixelformat)) {
-   vin_dbg(vin, "Format 0x%x not found, using default 0x%x\n",
-   pix->pixelformat, RVIN_DEFAULT_FORMAT);
+   if (!rvin_format_from_pixel(pix->pixelformat) ||
+   (vin->info->model == RCAR_M1 &&
+pix->pixelformat == V4L2_PIX_FMT_XBGR32))
pix->pixelformat = RVIN_DEFAULT_FORMAT;
-   }
 
/* Limit to source capabilities */
ret = __rvin_try_format_source(vin, which, pix, source);
@@ -231,12 +229,6 @@ static int __rvin_try_format(struct rvin_dev *vin,
pix->bytesperline = rvin_format_bytesperline(pix);
pix->sizeimage = rvin_format_sizeimage(pix);
 
-   if (vin->info->model == RCAR_M1 &&
-   pix->pixelformat == V4L2_PIX_FMT_XBGR32) {
-   vin_err(vin, "pixel format XBGR32 not supported on M1\n");
-   return -EINVAL;
-   }
-
vin_dbg(vin, "Format %ux%u bpl: %d size: %d\n",
pix->width, pix->height, pix->bytesperline, pix->sizeimage);
 
-- 
2.16.2