On Sat, Aug 31, 2013 at 10:15:25AM +0100, Chris Wilson wrote:
> On Fri, Aug 30, 2013 at 06:30:55PM -0700, Stuart Abercrombie wrote:
> > Both of these were taking the mode_config mutex but executed from the
> > same work queue. If intel_crtc_page_flip happened to flush a work queue
> > containing a
On Fri, Aug 30, 2013 at 06:30:55PM -0700, Stuart Abercrombie wrote:
> Both of these were taking the mode_config mutex but executed from the
> same work queue. If intel_crtc_page_flip happened to flush a work queue
> containing an HPD event handler work item, deadlock resulted, since the
> mutex re
Both of these were taking the mode_config mutex but executed from the
same work queue. If intel_crtc_page_flip happened to flush a work queue
containing an HPD event handler work item, deadlock resulted, since the
mutex required by the HPD handler was taken before the flush. Instead
use a separat
