Re: [Intel-gfx] [PATCH 3/3] drm/i915: Try harder to disable trickle feed on VLV

2013-06-04 Thread Ville Syrjälä
On Tue, Jun 04, 2013 at 03:19:12PM +0100, Chris Wilson wrote: > On Tue, May 21, 2013 at 03:28:34PM +0300, ville.syrj...@linux.intel.com wrote: > > From: Ville Syrjälä > > > > The specs are a bit unclear whether the per-plane trickle feed disable > > control exists on VLV. There is another trickle

Re: [Intel-gfx] [PATCH 3/3] drm/i915: Try harder to disable trickle feed on VLV

2013-06-04 Thread Chris Wilson
On Tue, May 21, 2013 at 03:28:34PM +0300, ville.syrj...@linux.intel.com wrote: > From: Ville Syrjälä > > The specs are a bit unclear whether the per-plane trickle feed disable > control exists on VLV. There is another trickle feed disable control > in the MI_ARB register. > > Based on some quick

[Intel-gfx] [PATCH 3/3] drm/i915: Try harder to disable trickle feed on VLV

2013-05-21 Thread ville . syrjala
From: Ville Syrjälä The specs are a bit unclear whether the per-plane trickle feed disable control exists on VLV. There is another trickle feed disable control in the MI_ARB register. Based on some quick register dumps from Jani's VLV machine, the per-plane bits don't actually seem to exist, so