This is a note to let you know that I've just added the patch titled
media: rcar-vin: Gen3 can not scale NV12
to the 6.3-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
media-rcar-vin-gen3-can-not-scale-nv12.patch
and it can be found in the queue-6.3 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit fefe2953c9fa8bf10d5f075d2fb17023a7e73eec
Author: Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx>
Date: Sat Feb 11 21:54:31 2023 +0100
media: rcar-vin: Gen3 can not scale NV12
[ Upstream commit 879c5a458e532b95783ce27f704d1b21573066f7 ]
The VIN modules on Gen3 can not scale NV12, fail format validation if
the user tries. Currently no frames are produced if this is attempted.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/media/platform/renesas/rcar-vin/rcar-dma.c b/drivers/media/platform/renesas/rcar-vin/rcar-dma.c
index 98bfd445a649b..cc6b59e5621ae 100644
--- a/drivers/media/platform/renesas/rcar-vin/rcar-dma.c
+++ b/drivers/media/platform/renesas/rcar-vin/rcar-dma.c
@@ -1312,6 +1312,11 @@ static int rvin_mc_validate_format(struct rvin_dev *vin, struct v4l2_subdev *sd,
}
if (rvin_scaler_needed(vin)) {
+ /* Gen3 can't scale NV12 */
+ if (vin->info->model == RCAR_GEN3 &&
+ vin->format.pixelformat == V4L2_PIX_FMT_NV12)
+ return -EPIPE;
+
if (!vin->scaler)
return -EPIPE;
} else {
