On Wed, Apr 02, 2014 at 12:23:51PM +0100, Chris Wilson wrote: > On Wed, Apr 02, 2014 at 12:21:45PM +0100, Damien Lespiau wrote: > > On Tue, Apr 01, 2014 at 03:37:27PM -0300, Paulo Zanoni wrote: > > > From: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx> > > > > > > We should only enable interrupts at postinstall. > > > > > > And now on ILK/SNB/IVB/HSW the irq_preinstall and irq_postinstall > > > functions leave the hardware in the same state. > > > > > > Signed-off-by: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx> > > > > Orthogonal note to this patch, I'm wondering why we enable any interrupt > > reporting in the HW status page, I don't see anywhere we read that > > information back? Any idea? > > Back in the SNB days, interrupts broke without this piece of magic. To be more precise, iirc, it was a step towards getting coherent breadcrumb writes into the HWS. As it turns out, there were more steps required. Considering that it can now probably be dropped again? Any takers? -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
