Re: [Intel-gfx] [PATCH 27/29] drm/i915: Add save/restore of SWF for ILK+

2015-11-06 Thread Ville Syrjälä
On Fri, Nov 06, 2015 at 01:14:33PM +, Chris Wilson wrote: > On Wed, Nov 04, 2015 at 11:20:15PM +0200, ville.syrj...@linux.intel.com wrote: > > From: Ville Syrjälä > > > > No idea if we might want these. Perhaps there is a "keep your paws off > > my GPU" bit in there somewhere to avoid BIOS cr

Re: [Intel-gfx] [PATCH 27/29] drm/i915: Add save/restore of SWF for ILK+

2015-11-06 Thread Chris Wilson
On Wed, Nov 04, 2015 at 11:20:15PM +0200, ville.syrj...@linux.intel.com wrote: > From: Ville Syrjälä > > No idea if we might want these. Perhaps there is a "keep your paws off > my GPU" bit in there somewhere to avoid BIOS crap? Hmm. "These registers are used as scratch pad data storage space an

[Intel-gfx] [PATCH 27/29] drm/i915: Add save/restore of SWF for ILK+

2015-11-04 Thread ville . syrjala
From: Ville Syrjälä No idea if we might want these. Perhaps there is a "keep your paws off my GPU" bit in there somewhere to avoid BIOS crap? Signed-off-by: Ville Syrjälä --- drivers/gpu/drm/i915/i915_drv.h | 13 ++--- drivers/gpu/drm/i915/i915_reg.h | 1 + drivers/gpu/drm/i91