On Sat, Nov 22, 2014 at 11:05:15AM +0000, Chris Wilson wrote: > On Fri, Nov 21, 2014 at 09:54:25PM +0200, ville.syrjala@xxxxxxxxxxxxxxx wrote: > > + /* assert reset for at least 20 usec */ > > + pci_write_config_byte(dev->pdev, I965_GDRST, GRDOM_RESET_ENABLE); > > Is this an UC write or do we need to post? I believe config space writes should always be be non-posted. > > > + udelay(20); > > pci_write_config_byte(dev->pdev, I965_GDRST, 0); > -Chris > > -- > Chris Wilson, Intel Open Source Technology Centre -- Ville Syrjälä Intel OTC _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx