linux-kernel - [PATCH v1 0/2] enable HDP plugin/unplugged interrupts to hpd

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Date:   Wed, 10 May 2023 13:31:03 -0700
From:   Kuogee Hsieh <quic_khsieh@...cinc.com>
To:     <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:     Kuogee Hsieh <quic_khsieh@...cinc.com>,
        <quic_abhinavk@...cinc.com>, <quic_jesszhan@...cinc.com>,
        <quic_sbillaka@...cinc.com>, <marijn.suijten@...ainline.org>,
        <freedreno@...ts.freedesktop.org>, <linux-arm-msm@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH v1 0/2]  enable HDP plugin/unplugged interrupts to hpd_enable/disable

There is bug report on exteranl DP display does not work.
This patch add below two patches to fix the problem.
1) enable HDP plugin/unplugged interrupts to hpd_enable/disable
2) add mutex to protect internal_hpd against race condition between different threads
    

Kuogee Hsieh (2):
  drm/msm/dp: enable HDP plugin/unplugged interrupts to
    hpd_enable/disable
  drm/msm/dp: add mutex to protect internal_hpd against race condition
    between different threads

 drivers/gpu/drm/msm/dp/dp_display.c | 37 +++++++++++++++++++++++--------------
 1 file changed, 23 insertions(+), 14 deletions(-)

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