linux-kernel - Re: [PATCH v2 0/7] add DSC 1.2 dpu supports

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Date:   Fri, 28 Apr 2023 20:30:58 -0700
From:   Abhinav Kumar <quic_abhinavk@...cinc.com>
To:     Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
CC:     Kuogee Hsieh <quic_khsieh@...cinc.com>,
        <dri-devel@...ts.freedesktop.org>, <robdclark@...il.com>,
        <sean@...rly.run>, <swboyd@...omium.org>, <dianders@...omium.org>,
        <vkoul@...nel.org>, <daniel@...ll.ch>, <airlied@...il.com>,
        <agross@...nel.org>, <andersson@...nel.org>,
        <quic_sbillaka@...cinc.com>, <marijn.suijten@...ainline.org>,
        <freedreno@...ts.freedesktop.org>, <linux-arm-msm@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 0/7] add DSC 1.2 dpu supports



On 4/28/2023 8:12 PM, Dmitry Baryshkov wrote:
> On Sat, 29 Apr 2023 at 05:51, Abhinav Kumar <quic_abhinavk@...cinc.com> wrote:
>>
>>
>>
>> On 4/28/2023 7:46 PM, Dmitry Baryshkov wrote:
>>> On Sat, 29 Apr 2023 at 02:45, Kuogee Hsieh <quic_khsieh@...cinc.com> wrote:
>>>>
>>>> This series adds the DPU side changes to support DSC 1.2 encoder. This
>>>> was validated with both DSI DSC 1.2 panel and DP DSC 1.2 monitor.
>>>> The DSI and DP parts will be pushed later on top of this change.
>>>> This seriel is rebase on [1], [2] and catalog fixes from [3].
>>>>
>>>> [1]: https://patchwork.freedesktop.org/series/116851/
>>>> [2]: https://patchwork.freedesktop.org/series/116615/
>>>> [3]: https://patchwork.freedesktop.org/series/112332/
>>>>
>>>> Abhinav Kumar (2):
>>>>     drm/msm/dpu: add DSC 1.2 hw blocks for relevant chipsets
>>>>     drm/msm/dpu: add dsc blocks for remaining chipsets in catalog
>>>>
>>>> Kuogee Hsieh (5):
>>>>     drm/msm/dpu: add support for DSC encoder v1.2 engine
>>>>     drm/msm/dpu: separate DSC flush update out of interface
>>>>     drm/msm/dpu: add DPU_PINGPONG_DSC feature PP_BLK and PP_BLK_TE
>>>>     drm/msm/dpu: save dpu topology configuration
>>>>     drm/msm/dpu: calculate DSC encoder parameters dynamically
>>>
>>> Another generic comment: this patchset doesn't have discussed RM
>>> changes to allocate DSC blocks in proper pairs as required by DCE.
>>>
>>
>> We have already made that change. It will be pushed with the DP series
>> because today DSC only support 2-2-1 so they will always be allocated in
>> pairs.
> 
> Then there is no reason to touch the dpu_encoder in this series as the
> topology is also known to be 2:2:1.
> 

Agreed, no concerns with that.

>>
>>>>
>>>>    drivers/gpu/drm/msm/Makefile                       |   1 +
>>>>    .../drm/msm/disp/dpu1/catalog/dpu_3_0_msm8998.h    |  19 +-
>>>>    .../gpu/drm/msm/disp/dpu1/catalog/dpu_4_0_sdm845.h |   8 +-
>>>>    .../gpu/drm/msm/disp/dpu1/catalog/dpu_5_0_sm8150.h |  26 +-
>>>>    .../drm/msm/disp/dpu1/catalog/dpu_5_1_sc8180x.h    |  35 ++-
>>>>    .../gpu/drm/msm/disp/dpu1/catalog/dpu_6_0_sm8250.h |  26 +-
>>>>    .../gpu/drm/msm/disp/dpu1/catalog/dpu_6_2_sc7180.h |   4 +-
>>>>    .../gpu/drm/msm/disp/dpu1/catalog/dpu_6_3_sm6115.h |   2 +-
>>>>    .../drm/msm/disp/dpu1/catalog/dpu_6_5_qcm2290.h    |   2 +-
>>>>    .../gpu/drm/msm/disp/dpu1/catalog/dpu_7_0_sm8350.h |  14 +
>>>>    .../gpu/drm/msm/disp/dpu1/catalog/dpu_7_2_sc7280.h |   7 +
>>>>    .../drm/msm/disp/dpu1/catalog/dpu_8_0_sc8280xp.h   |  16 +
>>>>    .../gpu/drm/msm/disp/dpu1/catalog/dpu_8_1_sm8450.h |  14 +
>>>>    .../gpu/drm/msm/disp/dpu1/catalog/dpu_9_0_sm8550.h |  14 +
>>>>    drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c        | 102 ++++---
>>>>    drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c     |  35 ++-
>>>>    drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h     |  36 ++-
>>>>    drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c         |  22 +-
>>>>    drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.h         |  10 +
>>>>    drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.h         |  14 +-
>>>>    drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc_1_2.c     | 335 +++++++++++++++++++++
>>>>    drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.c    |   9 +-
>>>>    drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c             |   7 +-
>>>>    23 files changed, 642 insertions(+), 116 deletions(-)
>>>>    create mode 100644 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc_1_2.c
>>>>
>>>> --
>>>> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
>>>> a Linux Foundation Collaborative Project
>>>>
>>>
>>>
> 
> 
>