Re: [Intel-gfx] [PATCH] agp/intel, drm/i915: Use a write-combining map for updating PTEs

2012-08-13 Thread Daniel Vetter
On Sun, Aug 12, 2012 at 08:12:02PM +0100, Chris Wilson wrote: On Sun, 12 Aug 2012 17:01:08 +0100, Chris Wilson ch...@chris-wilson.co.uk wrote: On Sun, 12 Aug 2012 17:47:46 +0200, Daniel Vetter dan...@ffwll.ch wrote: On Sun, Aug 12, 2012 at 12:04:39PM +0100, Chris Wilson wrote: In order

Re: [Intel-gfx] [PATCH] agp/intel, drm/i915: Use a write-combining map for updating PTEs

2012-08-12 Thread Daniel Vetter
On Sun, Aug 12, 2012 at 12:04:39PM +0100, Chris Wilson wrote: In order to be able to ioremap_wc the GTT space, we need to remove the conflicting pci_iomap from drm/i915, so we limit the register map in drm/i915 to the suitable range for each generation. The benefit of doing this is an order of

Re: [Intel-gfx] [PATCH] agp/intel, drm/i915: Use a write-combining map for updating PTEs

2012-08-12 Thread Chris Wilson
On Sun, 12 Aug 2012 17:47:46 +0200, Daniel Vetter dan...@ffwll.ch wrote: On Sun, Aug 12, 2012 at 12:04:39PM +0100, Chris Wilson wrote: In order to be able to ioremap_wc the GTT space, we need to remove the conflicting pci_iomap from drm/i915, so we limit the register map in drm/i915 to the

Re: [Intel-gfx] [PATCH] agp/intel, drm/i915: Use a write-combining map for updating PTEs

2012-08-12 Thread Chris Wilson
On Sun, 12 Aug 2012 17:01:08 +0100, Chris Wilson ch...@chris-wilson.co.uk wrote: On Sun, 12 Aug 2012 17:47:46 +0200, Daniel Vetter dan...@ffwll.ch wrote: On Sun, Aug 12, 2012 at 12:04:39PM +0100, Chris Wilson wrote: In order to be able to ioremap_wc the GTT space, we need to remove the