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It is believed that all of the current users of the "unprepare" delay don't actually need to wait the amount of time specified directly in the unprepare phase. The purpose of the delay that's specified is to allow the panel to fully power off so that we don't try to power it back on before it's managed to full power down. Let's use this observation to avoid the fixed delay that we currently have. Instead of delaying, we'll note the current time when the unprepare happens. If someone then tries to prepare the panel later and not enough time has passed, we'll do the delay before starting the prepare phase. Signed-off-by: Douglas Anderson <dianders@chromium.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20201109170018.v4.2.I06a95d83e7fa1bd919c8edd63dacacb5436e495a@changeid |
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