[Intel-gfx] [PATCH 2/2] drm/i915: enable plain RC6 on Sandy Bridge by default

2012-03-23 Thread Eugeni Dodonov
This is yet another chapter in the ongoing saga of bringing RC6 to Sandy Bridge machines by default. Now that we have discovered that RC6 issues are triggered by RC6+ state, let's try to disable it by default. Plain RC6 is the one responsible for most energy savings, and so far it haven't given

Re: [Intel-gfx] [PATCH 2/2] drm/i915: enable plain RC6 on Sandy Bridge by default

2012-03-23 Thread Chris Wilson
On Fri, 23 Mar 2012 11:57:19 -0300, Eugeni Dodonov eugeni.dodo...@intel.com wrote: This is yet another chapter in the ongoing saga of bringing RC6 to Sandy Bridge machines by default. Now that we have discovered that RC6 issues are triggered by RC6+ state, let's try to disable it by

Re: [Intel-gfx] [PATCH 2/2] drm/i915: enable plain RC6 on Sandy Bridge by default

2012-02-13 Thread Keith Packard
#part sign=pgpmime On Sun, 12 Feb 2012 22:34:48 -0200, Eugeni Dodonov eug...@dodonov.net wrote: what if we pick only the 1st patch in this series for -fixes? It won't change the defaults in any way, but it will allow the ones willing to enable it manually on SNB to prevent issues. That seems

[Intel-gfx] [PATCH 2/2] drm/i915: enable plain RC6 on Sandy Bridge by default

2012-02-11 Thread Eugeni Dodonov
This is yet another chapter in the ongoing saga of bringing RC6 to Sandy Bridge machines by default. Now that we have discovered that RC6 issues are triggered by RC6+ state, let's try to disable it by default. Plain RC6 is the one responsible for most energy savings, and so far it haven't given

Re: [Intel-gfx] [PATCH 2/2] drm/i915: enable plain RC6 on Sandy Bridge by default

2012-02-11 Thread Eugeni Dodonov
On Sat, Feb 11, 2012 at 10:59, Chris Wilson ch...@chris-wilson.co.ukwrote: On Sat, 11 Feb 2012 10:34:15 -0200, Eugeni Dodonov eugeni.dodo...@intel.com wrote: This is yet another chapter in the ongoing saga of bringing RC6 to Sandy Bridge machines by default. Now that we have discovered

[Intel-gfx] [PATCH 2/2] drm/i915: enable plain RC6 on Sandy Bridge by default

2012-02-11 Thread Luigi Forte
Hi! I think it's not just a placebo effect. I'm one of the users affected by video corruption with rc6 enabled. Now I have used my pc for two days with the patched kernel and everything seem working just fine. The glitches that I had with the previous kernel versions were very noticeable and