linux-kernel - Re: [PATCH v2 0/8] Venus stateful encoder compliance

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Date:   Sun, 29 Nov 2020 11:17:14 -0800
From:   Fritz Koenig <frkoenig@...omium.org>
To:     Stanimir Varbanov <stanimir.varbanov@...aro.org>
Cc:     linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Vikash Garodia <vgarodia@...eaurora.org>,
        Alexandre Courbot <acourbot@...omium.org>,
        Fritz Koenig <frkoenig@...omium.org>
Subject: Re: [PATCH v2 0/8] Venus stateful encoder compliance

Since this patchset adds support for V4L2_ENC_CMD_STOP and
VENUS_ENC_STATE_ENCODING it should also add support for
VIDIOC_TRY_ENCODER_CMD so that those commands are discoverable.  I've
made an attempt at that here:
https://www.spinics.net/lists/linux-media/msg182319.html

On Wed, Nov 11, 2020 at 6:38 AM Stanimir Varbanov
<stanimir.varbanov@...aro.org> wrote:
>
> Hello,
>
> Here is v2 of the subject patchset.
>
> The patchset starts with few small preparation and fix patches, 1/8 to 5/8.
> 6/8 is redesigned Dikshita's patch and 7/8 add Reset encoder state handling.
> The last 8/8 just delete not needed helper function.
>
> The major changes are:
>  * An attempt to reuse m2m helpers for drain and reset state in 6/8 and 7/8.
>  * Use null encoder buffer to signal end-of-stream in 6/8.
>
> Comments are welcome!
>
> regards,
> Stan
>
> Dikshita Agarwal (1):
>   venus: venc: add handling for VIDIOC_ENCODER_CMD
>
> Stanimir Varbanov (7):
>   venus: hfi: Use correct state in unload resources
>   venus: helpers: Add a new helper for buffer processing
>   venus: hfi_cmds: Allow null buffer address on encoder input
>   venus: helpers: Calculate properly compressed buffer size
>   venus: pm_helpers: Check instance state when calculate instance
>     frequency
>   venus: venc: Handle reset encoder state
>   venus: helpers: Delete unused stop streaming helper
>
>  drivers/media/platform/qcom/venus/helpers.c   |  65 ++---
>  drivers/media/platform/qcom/venus/helpers.h   |   2 +-
>  drivers/media/platform/qcom/venus/hfi.c       |   2 +-
>  drivers/media/platform/qcom/venus/hfi.h       |   1 -
>  drivers/media/platform/qcom/venus/hfi_cmds.c  |   2 +-
>  .../media/platform/qcom/venus/pm_helpers.c    |   3 +
>  drivers/media/platform/qcom/venus/venc.c      | 232 +++++++++++++++---
>  7 files changed, 226 insertions(+), 81 deletions(-)
>
> --
> 2.17.1
>