[Intel-gfx] [PATCH] Revert "drm/i915: Don't overclock on Haswell"

[Daniel Vetter]

On Tue, Apr 23, 2013 at 05:33:02PM -0700, Ben Widawsky wrote:
> This reverts commit fec46b5eff854df5647a9f4724e45dd33933855a.
> 
> The latest version of our PM programming doc (which is WAY better than
> previous versions, and thanks for that) says something along the lines
> of, "On Haswell overclocking is no long achieved via mailbox registers."
> Which I misinterpreted as, the driver must done something different than
> it did on IVB, and SNB.
> 
> It appears I jumped the gun, and that's all false. We've gotten some
> clarification, and it appears at least *reading* the overclocking
> information works in exactly the same manner.
> 
> Cc: kim.l.saw-chu at intel.com
> Signed-off-by: Ben Widawsky <ben at bwidawsk.net>
Picked up for -fixes, thanks for the patch.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch