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/openbmc/linux/drivers/gpu/drm/bridge/analogix/ |
H A D | anx7625.c | 3203e497 Thu May 20 01:44:52 CDT 2021 Pi-Hsun Shih <pihsun@chromium.org> drm/bridge: anx7625: Synchronously run runtime suspend.
Originally when using pm_runtime_put, there's a chance that the runtime suspend hook will be run after the following anx7625_bridge_mode_set call, resulting in the display_timing_valid field to be cleared, and the following power on fail.
Change all pm_runtime_put to pm_runtime_put_sync, so all power off operations are guaranteed to be done after the call returns.
Fixes: 60487584a79a ("drm/bridge: anx7625: refactor power control to use runtime PM framework") Signed-off-by: Pi-Hsun Shih <pihsun@chromium.org> Tested-by: Tzung-Bi Shih <tzungbi@google.com> Reviewed-by: Robert Foss <robert.foss@linaro.org> Signed-off-by: Robert Foss <robert.foss@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20210520064508.3121211-1-pihsun@chromium.org
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