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2230fde85c
After we've told the irq code we don't want to handle display irqs anymore, we must make sure any display irq handling already kicked off has finished before we actually turn off the power well. I wouldn't expect PIPESTAT based interrupts to occur anymore since vblanks/page flips/gmbus/etc should all be quiescent at this point. But at least hotplug interrupts could still occur. Hotplug interrupts may also kick off the workqueue based hotplug processing, but that code should take the required power domain references itself, so there shouldn't be any need to synchronize with the hotplug processing from the power well code. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1455900112-15387-1-git-send-email-ville.syrjala@linux.intel.com Reviewed-by: Imre Deak <imre.deak@intel.com> |
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