linux-kernel - Re: [Freedreno] [PATCH v7 0/7] incorporate pm runtime framework and eDP clean up

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Date:   Sun, 5 Nov 2023 19:51:58 -0500
From:   Leonard Lausen <leonard@...sen.nl>
To:     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, dmitry.baryshkov@...aro.org,
        andersson@...nel.org
Cc:     quic_sbillaka@...cinc.com, linux-arm-msm@...r.kernel.org,
        quic_abhinavk@...cinc.com, marijn.suijten@...ainline.org,
        quic_jesszhan@...cinc.com, freedreno@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Subject: Re: [Freedreno] [PATCH v7 0/7] incorporate pm runtime framework and
 eDP clean up

Verified this fixes the "[drm:drm_mode_config_helper_resume] *ERROR* Failed to
resume (-107)" issue https://gitlab.freedesktop.org/drm/msm/-/issues/25

Tested-by: Leonard Lausen <leonard@...sen.nl> # on sc7180 lazor

On 10/6/23 18:55, Kuogee Hsieh wrote:
> The purpose of this patch series is to incorporate pm runtime framework
> into MSM eDP/DP driver so that eDP panel can be detected by DRM eDP panel
> driver during system probe time. During incorporating procedure, original
> customized pm realted fucntions, such as dp_pm_prepare(), dp_pm_suspend(),
> dp_pm_resume() and dp_pm_prepare(), are removed and replaced with functions
> provided by pm runtiem framework such as pm_runtime_force_suspend() and
> pm_runtime_force_resume(). In addition, both eDP aux-bus and irq handler
> are bound at system probe time too.
> 
> Kuogee Hsieh (7):
>   drm/msm/dp: tie dp_display_irq_handler() with dp driver
>   drm/msm/dp: rename is_connected with link_ready
>   drm/msm/dp: use drm_bridge_hpd_notify() to report HPD status changes
>   drm/msm/dp: move parser->parse() and dp_power_client_init() to probe
>   drm/msm/dp: incorporate pm_runtime framework into DP driver
>   drm/msm/dp: delete EV_HPD_INIT_SETUP
>   drm/msm/dp: move of_dp_aux_populate_bus() to eDP probe()
> 
>  drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c |   4 -
>  drivers/gpu/drm/msm/dp/dp_aux.c         |  39 +++-
>  drivers/gpu/drm/msm/dp/dp_display.c     | 333 ++++++++++++--------------------
>  drivers/gpu/drm/msm/dp/dp_display.h     |   3 +-
>  drivers/gpu/drm/msm/dp/dp_drm.c         |  14 +-
>  drivers/gpu/drm/msm/dp/dp_power.c       |  16 --
>  drivers/gpu/drm/msm/dp/dp_power.h       |  11 --
>  drivers/gpu/drm/msm/msm_drv.h           |   5 -
>  8 files changed, 161 insertions(+), 264 deletions(-)
>