linux-kernel - Re: [PATCH 00/28] Venus updates

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Date:   Mon, 7 May 2018 12:41:36 +0200
From:   Hans Verkuil <hverkuil@...all.nl>
To:     Stanimir Varbanov <stanimir.varbanov@...aro.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>
Cc:     linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org,
        Vikash Garodia <vgarodia@...eaurora.org>
Subject: Re: [PATCH 00/28] Venus updates

On 24/04/18 14:44, Stanimir Varbanov wrote:
> Hello,
> 
> This patch set aims to:
> 
> * add initial support for Venus version 4xx (found on sdm845).
> 
> * introduce a common capability parser to enumerate better
>   supported uncompressed formats, capabilities by codec,
>   supported codecs and so on.
> 
> * also contains various cleanups, readability improvements
>   and fixes.
> 
> * adds HEVC codec support for the Venus versions which has
>   support for it.
> 
> * add multi-stream support (secondary decoder output), which
>   will give as an opportunity to use UBWC compressed formats
>   to optimize internal interconnect bandwidth on higher
>   resolutions.

I'm a bit confused about this: is this a purely driver-internal thing,
or is this exposed somehow to userspace as well? It seems to be purely
internal.

Regards,

	Hans

> 
> Comments are welcome!
> 
> regards,
> Stan
> 
> Stanimir Varbanov (28):
>   venus: hfi_msgs: correct pointer increment
>   venus: hfi: preparation to support venus 4xx
>   venus: hfi: update sequence event to handle more properties
>   venus: hfi_cmds: add set_properties for 4xx version
>   venus: hfi: support session continue for 4xx version
>   venus: hfi: handle buffer output2 type as well
>   venus: hfi_venus: add halt AXI support for Venus 4xx
>   venus: hfi_venus: add suspend function for 4xx version
>   venus: venc,vdec: adds clocks needed for venus 4xx
>   venus: vdec: call session_continue in insufficient event
>   venus: add common capability parser
>   venus: helpers: make a commmon function for power_enable
>   venus: core: delete not used flag for buffer mode
>   venus: helpers: rename a helper function and use buffer mode from caps
>   venus: add a helper function to set dynamic buffer mode
>   venus: add helper function to set actual buffer size
>   venus: delete no longer used bufmode flag from instance
>   venus: helpers: add buffer type argument to a helper
>   venus: helpers: add a new helper to set raw format
>   venus: helpers,vdec,venc: add helpers to set work mode and core usage
>   venus: helpers: extend set_num_bufs helper with one more argument
>   venus: helpers: add a helper to return opb buffer sizes
>   venus: vdec: get required input buffers as well
>   venus: vdec: new function for output configuration
>   venus: move frame size calculations in common place
>   venus: implementing multi-stream support
>   venus: add sdm845 compatible and resource data
>   venus: add HEVC codec support
> 
>  .../devicetree/bindings/media/qcom,venus.txt       |   1 +
>  drivers/media/platform/qcom/venus/Makefile         |   3 +-
>  drivers/media/platform/qcom/venus/core.c           | 102 ++++
>  drivers/media/platform/qcom/venus/core.h           |  91 ++--
>  drivers/media/platform/qcom/venus/helpers.c        | 558 +++++++++++++++++++--
>  drivers/media/platform/qcom/venus/helpers.h        |  23 +-
>  drivers/media/platform/qcom/venus/hfi.c            |  12 +-
>  drivers/media/platform/qcom/venus/hfi.h            |   9 +
>  drivers/media/platform/qcom/venus/hfi_cmds.c       |  64 ++-
>  drivers/media/platform/qcom/venus/hfi_helper.h     | 112 ++++-
>  drivers/media/platform/qcom/venus/hfi_msgs.c       | 401 +++------------
>  drivers/media/platform/qcom/venus/hfi_parser.c     | 290 +++++++++++
>  drivers/media/platform/qcom/venus/hfi_parser.h     |  45 ++
>  drivers/media/platform/qcom/venus/hfi_venus.c      |  69 +++
>  drivers/media/platform/qcom/venus/hfi_venus_io.h   |  24 +
>  drivers/media/platform/qcom/venus/vdec.c           | 324 +++++++-----
>  drivers/media/platform/qcom/venus/venc.c           | 166 +++---
>  17 files changed, 1641 insertions(+), 653 deletions(-)
>  create mode 100644 drivers/media/platform/qcom/venus/hfi_parser.c
>  create mode 100644 drivers/media/platform/qcom/venus/hfi_parser.h
>