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Subject[PATCH v5 0/8] Add V4L stateless video decoder API support to NVIDIA Tegra driver
Date
Support V4L stateless video decoder API by NVIDIA Tegra decoder driver.
Tested using GStreamer [1] and libvdpau-tegra [2][8].

[1] https://github.com/grate-driver/gstreamer/commit/b8509bdbb69b534e61419ea1798f32f9ad2f3597
[2] https://github.com/grate-driver/libvdpau-tegra/commit/f822e95911e5e0c39f8ba19f843ddc1e0138d5ce
[8] https://github.com/grate-driver/libvdpau-tegra/commit/80db4d02369f2a984ce3173d6bc305f32e9fdb97

Changelog:

v5: - Corrected drivers/staging/media/Makefile, where I removed the VI
driver instead of VDE. This was reported by the 0-DAY build bot.

v4: - Added r-b from Nicolas Dufresne to the
"V4L2_H264_DECODE_PARAM_FLAG_P/BFRAME flags" patch.

- Added patches to de-stage driver, like was suggested by Hans Verkuil.

- Added patch to enable driver in ARM's multi-platform defconfig.

v3: - Added new decode_params flags [7] instead of V4L2_BUF_FLAG_*FRAME flags,
as was suggested by Nicolas Dufresne.

[7] https://github.com/grate-driver/gstreamer/commit/c5cd847f9c26b7669720ae58f9058de2515f51a2

- Added new patch that removes legacy UAPI.

v2: - Made V4L2_BUF_FLAG_*FRAME flags mandatory [3] and dropped reading
of raw bitstream from the driver code, as was suggested by
Nicolas Dufresne.

[3] https://github.com/grate-driver/gstreamer/commit/aee292f0f2e84b7654a314dd7e63f916888ffaa5

- Ran v4l2-compliance [4] and fluster [5][6] tests, like was suggested by
Nicolas Dufresne. Fixed minor v4l2-compliance errors that were related
to a partial initialization of the coded format and were harmless in
practice, but made compliance checker unhappy.

[4] https://gist.github.com/digetx/5d6bcdab633488f1dcc7c141ab90d30e
[5] https://gist.github.com/digetx/b06c5d779e9d25afa41d9f46946fe399
[6] https://gist.github.com/digetx/ac4198bc340e5065aa8ec3288bb21356

Dmitry Osipenko (8):
media: v4l2-ctrls: Add new V4L2_H264_DECODE_PARAM_FLAG_P/BFRAME flags
media: staging: tegra-vde: Factor out H.264 code
media: staging: tegra-vde: Support V4L stateless video decoder API
media: staging: tegra-vde: Remove legacy UAPI support
media: staging: tegra-vde: Bump BSEV DMA timeout
media: staging: tegra-vde: De-stage driver
ARM: tegra_defconfig: Update CONFIG_TEGRA_VDE option
ARM: config: multi v7: Enable NVIDIA Tegra video decoder driver

.../media/v4l/ext-ctrls-codec-stateless.rst | 6 +
MAINTAINERS | 2 +-
arch/arm/configs/multi_v7_defconfig | 1 +
arch/arm/configs/tegra_defconfig | 3 +-
drivers/media/platform/Kconfig | 17 +
drivers/media/platform/Makefile | 2 +
drivers/media/platform/tegra/vde/Makefile | 3 +
.../platform/tegra/vde}/dmabuf-cache.c | 2 +-
drivers/media/platform/tegra/vde/h264.c | 946 ++++++++++++
.../platform/tegra/vde}/iommu.c | 2 +-
.../platform/tegra/vde}/trace.h | 2 +-
drivers/media/platform/tegra/vde/v4l2.c | 1018 ++++++++++++
drivers/media/platform/tegra/vde/vde.c | 551 +++++++
drivers/media/platform/tegra/vde/vde.h | 242 +++
drivers/staging/media/Kconfig | 2 -
drivers/staging/media/Makefile | 1 -
drivers/staging/media/tegra-vde/Kconfig | 10 -
drivers/staging/media/tegra-vde/Makefile | 3 -
drivers/staging/media/tegra-vde/TODO | 4 -
drivers/staging/media/tegra-vde/uapi.h | 73 -
drivers/staging/media/tegra-vde/vde.c | 1358 -----------------
drivers/staging/media/tegra-vde/vde.h | 125 --
include/uapi/linux/v4l2-controls.h | 2 +
23 files changed, 2794 insertions(+), 1581 deletions(-)
create mode 100644 drivers/media/platform/tegra/vde/Makefile
rename drivers/{staging/media/tegra-vde => media/platform/tegra/vde}/dmabuf-cache.c (99%)
create mode 100644 drivers/media/platform/tegra/vde/h264.c
rename drivers/{staging/media/tegra-vde => media/platform/tegra/vde}/iommu.c (98%)
rename drivers/{staging/media/tegra-vde => media/platform/tegra/vde}/trace.h (97%)
create mode 100644 drivers/media/platform/tegra/vde/v4l2.c
create mode 100644 drivers/media/platform/tegra/vde/vde.c
create mode 100644 drivers/media/platform/tegra/vde/vde.h
delete mode 100644 drivers/staging/media/tegra-vde/Kconfig
delete mode 100644 drivers/staging/media/tegra-vde/Makefile
delete mode 100644 drivers/staging/media/tegra-vde/TODO
delete mode 100644 drivers/staging/media/tegra-vde/uapi.h
delete mode 100644 drivers/staging/media/tegra-vde/vde.c
delete mode 100644 drivers/staging/media/tegra-vde/vde.h

--
2.34.1

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