drm/bridge: ps8640: Skip redundant bridge enable

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Skip the drm_bridge_chain_pre_enable call when the bridge is already
pre_enabled. This make pre_enable and post_disable (thus
pm_runtime_get/put) symmetric.

Fixes: 46f206304d ("drm/bridge: ps8640: Rework power state handling")
Signed-off-by: Pin-yen Lin <treapking@chromium.org>
Reviewed-by: Robert Foss <rfoss@kernel.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230315035508.2874915-1-treapking@chromium.org

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Pin-yen Lin 2023-03-15 11:55:07 +08:00 • committed by Douglas Anderson

parent 901cdf66e8

commit 845e730eaf

1 changed files with 2 additions and 1 deletions

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drivers/gpu/drm/bridge/parade-ps8640.c

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