From: Niklas Söderlund niklas.soderlund+renesas@ragnatech.se
[ 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@ragnatech.se Signed-off-by: Hans Verkuil hverkuil-cisco@xs4all.nl Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/media/platform/renesas/rcar-vin/rcar-dma.c | 5 +++++ 1 file changed, 5 insertions(+)
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 {