drm/msm/hdmi: 8996 PLL: Populate unprepare
Without doing anything in unprepare, the HDMI driver isn't able to switch modes successfully. Calling set_rate with a new rate results in an un-locked PLL. If we reset the PLL in unprepare, the PLL is able to lock with the new rate. Signed-off-by: Archit Taneja <architt@codeaurora.org> Signed-off-by: Rob Clark <robdclark@gmail.com>
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