Archit Taneja a18a0ea009
drm/msm/dsi: Use correct pm_runtime_put variant during host_init ...
The DSI runtime PM suspend/resume callbacks check whether
msm_host->cfg_hnd is non-NULL before trying to enable the bus clocks.
This is done to accommodate early calls to these functions that may
happen before the bus clocks are even initialized.
Calling pm_runtime_put_autosuspend() in dsi_host_init() can result in
racy behaviour since msm_host->cfg_hnd is set very soon after. If the
suspend callback happens too late, we end up trying to disable clocks
that were never enabled, resulting in a bunch of WARN_ON splats.
Use pm_runtime_put_sync() so that the suspend callback is called
immediately.
Reported-by: Nicolas Dechesne <nicolas.dechesne@linaro.org >
Signed-off-by: Archit Taneja <architt@codeaurora.org >
Signed-off-by: Rob Clark <robdclark@gmail.com >
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a18a0ea009