From: Andrey Konovalov <andrey.konovalov@xxxxxxxxxx>
[ Upstream commit d5b7eb477c286f6ceccbb38704136eea0e6b09ca ]
>From the experiments with camera sensors using SGRBG10_1X10/3280x2464 and
SRGGB10_1X10/3280x2464 formats, it becomes clear that on sdm845 and sm8250
VFE outputs the lines padded to a length multiple of 16 bytes. As in the
current driver the value of the bpl_alignment is set to 8 bytes, the frames
captured in formats with the bytes-per-line value being not a multiple of
16 get corrupted.
Set the bpl_alignment of the camss video output device to 16 for sdm845 and
sm8250 to fix that.
Signed-off-by: Andrey Konovalov <andrey.konovalov@xxxxxxxxxx>
Tested-by: Bryan O'Donoghue <bryan.odonoghue@xxxxxxxxxx>
Acked-by: Bryan O'Donoghue <bryan.odonoghue@xxxxxxxxxx>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/media/platform/qcom/camss/camss-vfe.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/media/platform/qcom/camss/camss-vfe.c b/drivers/media/platform/qcom/camss/camss-vfe.c
index a26e4a5d87b6b..d8cd9b09c20de 100644
--- a/drivers/media/platform/qcom/camss/camss-vfe.c
+++ b/drivers/media/platform/qcom/camss/camss-vfe.c
@@ -1540,7 +1540,11 @@ int msm_vfe_register_entities(struct vfe_device *vfe,
}
video_out->ops = &vfe->video_ops;
- video_out->bpl_alignment = 8;
+ if (vfe->camss->version == CAMSS_845 ||
+ vfe->camss->version == CAMSS_8250)
+ video_out->bpl_alignment = 16;
+ else
+ video_out->bpl_alignment = 8;
video_out->line_based = 0;
if (i == VFE_LINE_PIX) {
video_out->bpl_alignment = 16;
--
2.40.1
