On Mon, Mar 18, 2013 at 01:11:09AM +0000, Ben Hutchings wrote: > On Tue, 2013-03-12 at 15:31 -0700, Greg Kroah-Hartman wrote: > > 3.8-stable review patch. If anyone has any objections, please let me know. > > > > ------------------ > > > > From: Stéphane Marchesin <marcheu@xxxxxxxxxxxx> > > > > commit 0920a48719f1ceefc909387a64f97563848c7854 upstream. > > > > This increases GEN6_RC6p_THRESHOLD from 100000 to 150000. For some > > reason this avoids the gen6_gt_check_fifodbg.isra warnings and > > associated GPU lockups, which makes my ivy bridge machine stable. > > > > Signed-off-by: Stéphane Marchesin <marcheu@xxxxxxxxxxxx> > > Acked-by: Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx> > > Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxx> > > Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > > > > --- > > drivers/gpu/drm/i915/intel_pm.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > --- a/drivers/gpu/drm/i915/intel_pm.c > > +++ b/drivers/gpu/drm/i915/intel_pm.c > > @@ -2572,7 +2572,7 @@ static void gen6_enable_rps(struct drm_d > > I915_WRITE(GEN6_RC_SLEEP, 0); > > I915_WRITE(GEN6_RC1e_THRESHOLD, 1000); > > I915_WRITE(GEN6_RC6_THRESHOLD, 50000); > > - I915_WRITE(GEN6_RC6p_THRESHOLD, 100000); > > + I915_WRITE(GEN6_RC6p_THRESHOLD, 150000); > > I915_WRITE(GEN6_RC6pp_THRESHOLD, 64000); /* unused */ > > > > /* Check if we are enabling RC6 */ > > Is there any reason why this shouldn't be applied to 3.2.y and 3.4.y? > The same function and writes are present, only in intel_display.c rather > than intel_pm.c. Ah, missed the fact that the file was renamed, nice catch. I'll apply it to older kernels if the authors and maintainers say it's safe to do so. thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html