On Wed, Feb 18, 2015 at 8:03 PM, Klaus Ethgen <Klaus+lkml@xxxxxxxxx> wrote: > Am Mi den 18. Feb 2015 um 16:39 schrieb Jani Nikula: >> On Tue, 17 Feb 2015, Klaus Ethgen <Klaus+lkml@xxxxxxxxx> wrote: >> > After solving the conflicts, I applied the revert (see attachment) to >> > v3.18.7. I think it should also apply to the current head. With that >> > patch, suspend is working again on that version. >> > >> > However, I have not to deep knowledge of that subsystem, so please, >> > someone who have, have a deeper look into it. I especially do not know >> > if the lines in .../intel_pm.c are correct or better leaving them as >> > they are in v3.18.7. >> > >> > I want to have it working on a version that I know is stable before >> > asking to pull it to head. >> >> Hi Klaus, we fear this patch may hide the actual cause. > > That might be. But that might be a second step, to find the actual > cause. I think first the patch that causes the problem should be > fixed/reverted to have a working kernel and the next step would be to > find the real cause. I think the rever also breaks soix on newer platforms. Instead I think intel_runtime_pm_disable_interrupts needs to grow a synchronize_irq() after having disabled all the interrupt sources. But that's just drive-by debugging, I might be off the charts ;-) -Daniel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
