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media: rcar-vin: Gen3 can not scale NV12

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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>
This commit is contained in:
Niklas Söderlund 2023-02-11 21:54:31 +01:00 committed by Mauro Carvalho Chehab
parent ba0ad6ed89
commit 879c5a458e
1 changed files with 5 additions and 0 deletions
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5
drivers/media/platform/renesas/rcar-vin/rcar-dma.c
View file

@ -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 {