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drm/panel-edp: use put_sync in unprepare
[ Upstream commit 49ddab089611ae5ddd0201ddbbf633da75bfcc25 ] Some edp panel requires T10 (Delay from end of valid video data transmitted by the Source device to power-off) less than 500ms. Using autosuspend with delay set as 1000 violates this requirement. Use put_sync_suspend in unprepare to meet the spec. For other cases (such as getting EDID), it still uses autosuspend. Suggested-by: Douglas Anderson <dianders@chromium.org> Fixes: 3235b0f ("drm/panel: panel-simple: Use runtime pm to avoid excessive unprepare / prepare") Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org> Reviewed-by: Douglas Anderson <dianders@chromium.org> Signed-off-by: Douglas Anderson <dianders@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20231220221418.2610185-1-hsinyi@chromium.org Signed-off-by: Sasha Levin <sashal@kernel.org>
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