Re: [PATCH v2 17/17] rcar-vin: fix bug in pixelformat selection

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Hello!

On 5/24/2017 3:15 AM, Niklas Söderlund wrote:

From: Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx>

If the requested pixelformat is not supported fallback to the default
format, do not revert the entire format.

Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx>
---
 drivers/media/platform/rcar-vin/rcar-v4l2.c | 17 +++++------------
 1 file changed, 5 insertions(+), 12 deletions(-)

diff --git a/drivers/media/platform/rcar-vin/rcar-v4l2.c b/drivers/media/platform/rcar-vin/rcar-v4l2.c
index de71e5fa8b10cb5e..81ff59c3b4744075 100644
--- a/drivers/media/platform/rcar-vin/rcar-v4l2.c
+++ b/drivers/media/platform/rcar-vin/rcar-v4l2.c
[...]
@@ -218,17 +217,11 @@ static int __rvin_try_format(struct rvin_dev *vin,
 	if (pix->field == V4L2_FIELD_ANY)
 		pix->field = vin->format.field;

-	/*
-	 * Retrieve format information and select the current format if the
-	 * requested format isn't supported.
-	 */
-	info = rvin_format_from_pixel(pix->pixelformat);
-	if (!info) {
-		vin_dbg(vin, "Format %x not found, keeping %x\n",
-			pix->pixelformat, vin->format.pixelformat);
-		*pix = vin->format;
-		pix->width = rwidth;
-		pix->height = rheight;
+	/* 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",

    s/0x%x/%#x/, maybe?

+			pix->pixelformat, RVIN_DEFAULT_FORMAT);
+		pix->pixelformat = RVIN_DEFAULT_FORMAT;
 	}

 	/* Always recalculate */

MBR, Sergei




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