media: rcar-vin: align pixelformat check

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 <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/media/platform/rcar-vin/rcar-v4l2.c

@@ -189,12 +189,10 @@ 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);
@@ -233,12 +231,6 @@ 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);