linux-kernel - Re: [PATCH 0/3] drm/msm/dp: Simplify aux code

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Date:   Fri, 21 May 2021 16:26:11 -0700
From:   khsieh@...eaurora.org
To:     Stephen Boyd <swboyd@...omium.org>
Cc:     Rob Clark <robdclark@...il.com>, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Abhinav Kumar <abhinavk@...eaurora.org>,
        aravindh@...eaurora.org, Sean Paul <sean@...rly.run>
Subject: Re: [PATCH 0/3] drm/msm/dp: Simplify aux code

On 2021-05-21 14:57, Stephen Boyd wrote:
> Quoting Stephen Boyd (2021-05-07 14:25:02)
>> Here's a few patches that simplify the aux handling code and bubble up
>> timeouts and nacks to the upper DRM layers. The goal is to get DRM to
>> know that the other side isn't there or that there's been a timeout,
>> instead of saying that everything is fine and putting some error 
>> message
>> into the logs.
>> 
>> Cc: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
>> Cc: Abhinav Kumar <abhinavk@...eaurora.org>
>> Cc: Kuogee Hsieh <khsieh@...eaurora.org>
>> Cc: aravindh@...eaurora.org
>> Cc: Sean Paul <sean@...rly.run>
>> 
> 
> Kuogee, have you had a change to review this series?
> 
Sorry  missed this one.
Will review it now.
>> Stephen Boyd (3):
>>   drm/msm/dp: Simplify aux irq handling code
>>   drm/msm/dp: Shrink locking area of dp_aux_transfer()
>>   drm/msm/dp: Handle aux timeouts, nacks, defers
>> 
>>  drivers/gpu/drm/msm/dp/dp_aux.c     | 181 
>> ++++++++++++----------------
>>  drivers/gpu/drm/msm/dp/dp_aux.h     |   8 --
>>  drivers/gpu/drm/msm/dp/dp_catalog.c |   2 +-
>>  drivers/gpu/drm/msm/dp/dp_catalog.h |   2 +-
>>  4 files changed, 80 insertions(+), 113 deletions(-)
>> 
>> 
>> base-commit: 51595e3b4943b0079638b2657f603cf5c8ea3a66
>> --
>> https://chromeos.dev
>>