Re: [Intel-gfx] [PATCH 1/2] drm/i915: tune the RC6 threshold for stability

2013-06-19 Thread Stéphane Marchesin
On Fri, Jun 14, 2013 at 12:32 PM, Daniel Vetter wrote: > On Fri, Jun 14, 2013 at 9:13 PM, Stéphane Marchesin > wrote: >> On Wed, Jun 12, 2013 at 2:41 AM, Chris Wilson >> wrote: >>> On Tue, Jun 11, 2013 at 03:49:26PM -0700, Stéphane Marchesin wrote: It's basically the same deal as the RC6+

Re: [Intel-gfx] [PATCH 1/2] drm/i915: tune the RC6 threshold for stability

2013-06-14 Thread Daniel Vetter
On Fri, Jun 14, 2013 at 9:13 PM, Stéphane Marchesin wrote: > On Wed, Jun 12, 2013 at 2:41 AM, Chris Wilson > wrote: >> On Tue, Jun 11, 2013 at 03:49:26PM -0700, Stéphane Marchesin wrote: >>> It's basically the same deal as the RC6+ issues on ivy bridge >>> except this time with RC6 on sandy brid

Re: [Intel-gfx] [PATCH 1/2] drm/i915: tune the RC6 threshold for stability

2013-06-14 Thread Stéphane Marchesin
On Wed, Jun 12, 2013 at 2:41 AM, Chris Wilson wrote: > On Tue, Jun 11, 2013 at 03:49:26PM -0700, Stéphane Marchesin wrote: >> It's basically the same deal as the RC6+ issues on ivy bridge >> except this time with RC6 on sandy bridge. Like last time the >> core of the issue is that the timings don'

Re: [Intel-gfx] [PATCH 1/2] drm/i915: tune the RC6 threshold for stability

2013-06-12 Thread Chris Wilson
On Tue, Jun 11, 2013 at 03:49:26PM -0700, Stéphane Marchesin wrote: > It's basically the same deal as the RC6+ issues on ivy bridge > except this time with RC6 on sandy bridge. Like last time the > core of the issue is that the timings don't work 100% with our > voltage regulator. So from time to t

[Intel-gfx] [PATCH 1/2] drm/i915: tune the RC6 threshold for stability

2013-06-11 Thread Stéphane Marchesin
It's basically the same deal as the RC6+ issues on ivy bridge except this time with RC6 on sandy bridge. Like last time the core of the issue is that the timings don't work 100% with our voltage regulator. So from time to time, the kernel will print a warning message about the GPU not getting out o