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

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Message-ID: <d539ab91-da28-e8b3-6b39-d5564eb6f22a@linaro.org>
Date:   Mon, 30 Nov 2020 09:55:26 +0200
From:   Stanimir Varbanov <stanimir.varbanov@...aro.org>
To:     Fritz Koenig <frkoenig@...omium.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>
Subject: Re: [PATCH v2 0/8] Venus stateful encoder compliance

Hi Fritz,

On 11/29/20 9:17 PM, Fritz Koenig wrote:
> 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

6/8 is adding it:

+	.vidioc_try_encoder_cmd = v4l2_m2m_ioctl_try_encoder_cmd,

> 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
>>

-- 
regards,
Stan