drm/bridge: it6505: Adapt runtime power management framework

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Use pm_runtime_(get|put)_sync to control the bridge power, and add
SET_SYSTEM_SLEEP_PM_OPS with pm_runtime_force_(suspend|resume) to it6505
driver. Without SET_SYSTEM_SLEEP_PM_OPS, the bridge will be powered on
unnecessarily when no external display is connected.

Fixes: b5c84a9edc ("drm/bridge: add it6505 driver")
Signed-off-by: Pin-yen Lin <treapking@chromium.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20221004044943.2407781-2-treapking@chromium.org

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Pin-yen Lin 2022-10-04 12:49:42 +08:00 • committed by Robert Foss

parent 353b6bf2c4

commit 10517777d3

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1 changed files with 24 additions and 10 deletions

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drivers/gpu/drm/bridge/ite-it6505.c

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