linux-kernel - Re: [PATCH v4 00/17] Venus QoL / maintainability fixes

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Date:   Tue, 11 Jul 2023 14:25:45 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Stanimir Varbanov <stanimir.k.varbanov@...il.com>,
        Vikash Garodia <quic_vgarodia@...cinc.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Dikshita Agarwal <dikshita@....qualcomm.com>,
        Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
        Mansur Alisha Shaik <mansur@...eaurora.org>,
        Jonathan Marek <jonathan@...ek.ca>,
        Hans Verkuil <hans.verkuil@...co.com>,
        Dikshita Agarwal <quic_dikshita@...cinc.com>
Cc:     Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        Stanimir Varbanov <stanimir.varbanov@...aro.org>,
        linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        stable@...r.kernel.org
Subject: Re: [PATCH v4 00/17] Venus QoL / maintainability fixes

On 30.05.2023 14:30, Konrad Dybcio wrote:
> v3 -> v4:
> - Rebase on Stanimir's venus-for-next-v6.5
> - Collapse 2 identical if-statements in "Sanitize venus_boot_core()
>   per-VPU-version"
> - Reword "Assign registers based on VPU version"
> - Check for IS_IRIS2_1() instead of wrongly checking for core->use_tz,
>   update commit msg in "media: venus: firmware: Correct IS_V6() checks"
> - Access correct struct fields in "Use newly-introduced
>   hfi_buffer_requirements accessors", drop Bryan's r-b
Stan,

could you please pick this up?

Konrad
> 
> v3: https://lore.kernel.org/r/20230228-topic-venus-v3-0-6092ae43b58f@linaro.org
> 
> v2 -> v3:
> - Rephrase "Write to VIDC_CTRL_INIT after unmasking interrupts" commit msg
> - Drop "Remap bufreq fields on HFI6XX"
> - Rephrase "Introduce VPU version distinction" commit msg
> - Better explain "Leave a clue for homegrown porters"
> - Drop incorrect fixes tags/rephrase version check alternations
> - Drop AR50L/IRIS1 from if-conditions, they'll be introduced separately
> - pick up tags
> - rebase on next-20230517 (no effective changes)
> 
> v2: https://lore.kernel.org/r/20230228-topic-venus-v2-0-d95d14949c79@linaro.org
> 
> v1 -> v2:
> - Move "Write to VIDC_CTRL_INIT after unmasking interrupts" up and add
>   a Fixes tag & Cc stable
> - Reword the comment in "Correct IS_V6() checks"
> - Move up "media: venus: Remap bufreq fields on HFI6XX", add Fixes and
>   Cc stable
> - Use better English in "Use newly-introduced hfi_buffer_requirements
>   accessors" commit message
> - Mention "Restrict writing SCIACMDARG3 to Venus V1/V2" doesn't seem to
>   regress SM8250 in the commit message
> - Pick up tags (note: I capitalized the R in Dikshita's 'reviewed-by'
>   and removed one occurrence of random '**' to make sure review tools
>   like b4 don't go crazy)
> - Handle AR50_LITE in "Assign registers based on VPU version"
> - Drop /* VPUn */ comments, they're invalid as explained by Vikash
> - Take a different approach to the sys_idle problem in patch 1
> 
> v1: https://lore.kernel.org/r/20230228-topic-venus-v1-0-58c2c88384e9@linaro.org
> 
> Currently upstream assumes all (well, almost all - see 7280 or CrOS
> specific checks) Venus implementations using the same version of the
> Hardware Firmware Interface can be treated the same way. This is
> however not the case.
> 
> This series tries to introduce the groundwork to start differentiating
> them based on the VPU (Video Processing Unit) hardware type, fixes a
> couple of issues that were an effect of that generalized assumption
> and lays the foundation for supporting 8150 (IRIS1) and SM6115/QCM2290
> (AR50 Lite), which will hopefully come soon.
> 
> Tested on 8250, but pretty please test it on your boards too!
> 
> Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
> ---
> Konrad Dybcio (17):
>       media: venus: hfi_venus: Only consider sys_idle_indicator on V1
>       media: venus: hfi_venus: Write to VIDC_CTRL_INIT after unmasking interrupts
>       media: venus: Introduce VPU version distinction
>       media: venus: Add vpu_version to most SoCs
>       media: venus: firmware: Leave a clue about obtaining CP VARs
>       media: venus: hfi_venus: Sanitize venus_boot_core() per-VPU-version
>       media: venus: core: Assign registers based on VPU version
>       media: venus: hfi_venus: Sanitize venus_halt_axi() per-VPU-version
>       media: venus: hfi_venus: Sanitize venus_isr() per-VPU-version
>       media: venus: hfi_venus: Sanitize venus_cpu_and_video_core_idle() per-VPU-version
>       media: venus: hfi_venus: Sanitize venus_cpu_idle_and_pc_ready() per-VPU-version
>       media: venus: firmware: Sanitize per-VPU-version
>       media: venus: hfi_platform: Check vpu_version instead of device compatible
>       media: venus: vdec: Sanitize vdec_set_work_route() per-VPU-version
>       media: venus: Introduce accessors for remapped hfi_buffer_reqs members
>       media: venus: Use newly-introduced hfi_buffer_requirements accessors
>       media: venus: hfi_venus: Restrict writing SCIACMDARG3 to Venus V1/V2
> 
>  drivers/media/platform/qcom/venus/core.c           |  7 ++-
>  drivers/media/platform/qcom/venus/core.h           | 15 ++++++
>  drivers/media/platform/qcom/venus/firmware.c       | 18 +++++--
>  drivers/media/platform/qcom/venus/helpers.c        |  7 +--
>  drivers/media/platform/qcom/venus/hfi_helper.h     | 61 +++++++++++++++++++---
>  drivers/media/platform/qcom/venus/hfi_msgs.c       |  2 +-
>  .../media/platform/qcom/venus/hfi_plat_bufs_v6.c   | 22 ++++----
>  drivers/media/platform/qcom/venus/hfi_platform.c   |  2 +-
>  drivers/media/platform/qcom/venus/hfi_venus.c      | 42 +++++++--------
>  drivers/media/platform/qcom/venus/vdec.c           | 10 ++--
>  drivers/media/platform/qcom/venus/vdec_ctrls.c     |  2 +-
>  drivers/media/platform/qcom/venus/venc.c           |  4 +-
>  drivers/media/platform/qcom/venus/venc_ctrls.c     |  2 +-
>  13 files changed, 133 insertions(+), 61 deletions(-)
> ---
> base-commit: 9f9f8ca6f012d25428f8605cb36369a449db8508
> change-id: 20230228-topic-venus-70ea3bc76688
> 
> Best regards,