It has been observed on ARM64 based Exynos SoC, if IOMMU is not enabled
and we try to use reserved memory for MFC, reqbufs fails with below
mentioned error
---
V4L2 Codec decoding example application
Kamil Debski
Copyright 201
e only if IOMMU is enabled
and in that case both the left and right device is treated as mfc0 only.
Signed-off-by: Smitha T Murthy
[pankaj.dubey: debugging issue and formatting commit message]
Signed-off-by: Pankaj Dubey
---
drivers/media/platform/s5p-mfc/s5p_mfc_dec.c | 17 ++---
nd formatting commit message]
Signed-off-by: Pankaj Dubey
---
drivers/media/platform/s5p-mfc/s5p_mfc.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c
b/drivers/media/platform/s5p-mfc/s5p_mfc.c
index 0a5b8f5..6ea8246 100644
--- a/drivers/media/platfo
CNTL_REG);
-}
-
Above function will be needed for enabling JPEG support on Exynos7 SoC.
There is already inflight patch [1] which will be using it.
1: https://patchwork.kernel.org/patch/5505391/
Thanks,
Pankaj Dubey
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