[Intel-gfx] [PATCH 5/5] drm/i915: Enable PSR by default.

[Matthew Garrett]

On Mon, Apr 13, 2015 at 04:46:29PM -0700, Rodrigo Vivi wrote:
> Another questions,
> 
> Are you using powertop --auto-tune?
> 
> If so, can you please try to repdoruce X slowness issue on these 2 scenarios:
> 1. without doing the powertop auto-tune and psr enabled.

Ah! Yes, this is the problem. If runtime PM is enabled on the i915 PCI 
device (and the HDMI HDA device), things break. If it's disabled, 
everything works fine. I hope that helps narrow it down!

-- 
Matthew Garrett | mjg59 at srcf.ucam.org