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drm/msm/dp: fix connect/disconnect handled at irq_hpd
[ Upstream commit c58eb1b ] Some usb type-c dongle use irq_hpd request to perform device connection and disconnection. This patch add handling of both connection and disconnection are based on the state of hpd_state and sink_count. Changes in V2: -- add dp_display_handle_port_ststus_changed() -- fix kernel test robot complaint Changes in V3: -- add encoder_mode_set into struct dp_display_private Reported-by: kernel test robot <lkp@intel.com> Fixes: 26b8d66 ("drm/msm/dp: promote irq_hpd handle to handle link training correctly") Tested-by: Stephen Boyd <swboyd@chromium.org> Signed-off-by: Kuogee Hsieh <khsieh@codeaurora.org> Signed-off-by: Rob Clark <robdclark@chromium.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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