linux-kernel - Re: [PATCH v14 00/14] Add PSR support for eDP

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Date:   Tue, 7 Mar 2023 15:54:43 +0200
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>
Cc:     linux-kernel@...r.kernel.org, robdclark@...il.com,
        dianders@...omium.org, swboyd@...omium.org,
        quic_kalyant@...cinc.com, quic_khsieh@...cinc.com,
        quic_vproddut@...cinc.com, quic_bjorande@...cinc.com,
        quic_abhinavk@...cinc.com, quic_sbillaka@...cinc.com,
        Vinod Polimera <quic_vpolimer@...cinc.com>,
        dri-devel@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org,
        freedreno@...ts.freedesktop.org, devicetree@...r.kernel.org
Subject: Re: [PATCH v14 00/14] Add PSR support for eDP

David, Daniel & other drm maintainers,

On 02/03/2023 18:33, Vinod Polimera wrote:

[skipped the changelog]

> Vinod Polimera (14):
>    drm: add helper functions to retrieve old and new crtc
>    drm/bridge: use atomic enable/disable callbacks for panel bridge
>    drm/bridge: add psr support for panel bridge callbacks

The first three patches are generic. How do we merge this series? I 
think these three patches should be merged into an immutable branch at 
drm-misc (or any other drm tree), which we can then merge into msm-next. 
What do you think?

>    drm/msm/disp/dpu: check for crtc enable rather than crtc active to
>      release shared resources
>    drm/msm/disp/dpu: get timing engine status from intf status register
>    drm/msm/disp/dpu: wait for extra vsync till timing engine status is
>      disabled
>    drm/msm/disp/dpu: reset the datapath after timing engine disable
>    drm/msm/dp: use atomic callbacks for DP bridge ops
>    drm/msm/dp: Add basic PSR support for eDP
>    drm/msm/dp: use the eDP bridge ops to validate eDP modes
>    drm/msm/disp/dpu: use atomic enable/disable callbacks for encoder
>      functions
>    drm/msm/disp/dpu: add PSR support for eDP interface in dpu driver
>    drm/msm/disp/dpu: update dpu_enc crtc state on crtc enable/disable
>      during self refresh
>    drm/msm/dp: set self refresh aware based on psr support
> 
>   drivers/gpu/drm/bridge/panel.c                     |  68 +++++++-
>   drivers/gpu/drm/drm_atomic.c                       |  60 +++++++
>   drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c           |  40 ++++-
>   drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c        |  26 +++-
>   .../gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c   |  22 +++
>   drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c     |   3 +-
>   drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h     |  12 +-
>   drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c        |   8 +-
>   drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c            |   2 +-
>   drivers/gpu/drm/msm/dp/dp_catalog.c                |  80 ++++++++++
>   drivers/gpu/drm/msm/dp/dp_catalog.h                |   4 +
>   drivers/gpu/drm/msm/dp/dp_ctrl.c                   |  80 ++++++++++
>   drivers/gpu/drm/msm/dp/dp_ctrl.h                   |   3 +
>   drivers/gpu/drm/msm/dp/dp_display.c                |  36 +++--
>   drivers/gpu/drm/msm/dp/dp_display.h                |   2 +
>   drivers/gpu/drm/msm/dp/dp_drm.c                    | 173 ++++++++++++++++++++-
>   drivers/gpu/drm/msm/dp/dp_drm.h                    |   9 +-
>   drivers/gpu/drm/msm/dp/dp_link.c                   |  36 +++++
>   drivers/gpu/drm/msm/dp/dp_panel.c                  |  22 +++
>   drivers/gpu/drm/msm/dp/dp_panel.h                  |   6 +
>   drivers/gpu/drm/msm/dp/dp_reg.h                    |  27 ++++
>   include/drm/drm_atomic.h                           |   7 +
>   22 files changed, 683 insertions(+), 43 deletions(-)
> 

-- 
With best wishes
Dmitry