[Intel-gfx] [PATCH] CHROMIUM: drm/i915: Adjust the down threshold.

Chris Wilson chris at chris-wilson.co.uk
Fri Aug 16 09:58:54 CEST 2013


On Thu, Aug 15, 2013 at 05:30:40PM -0700, james.ausmus at intel.com wrote:
> From: Stéphane Marchesin <marcheu at chromium.org>
> 
> The thresholds for GPU reclocking are highly asymetrical. This creates an
> interesting phenomenon on Chrome startup where the clock ramps up very
> quickly, and then the blinking cursor is enough to keep it up. Obviously
> having the max GPU clock on the login screen is very bad for thermals.
> 
> With this change, the clock goes back to its minimum frequency after a couple
> of seconds.

You can drop the RPS changes as Stéphane has been feeding these back
once he found (semi?) stable values.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre



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