[Intel-gfx] [PATCH 2/2] drm/i915/vlv: remove wait for previous GFX clk disable request

[Darren Hart]

Jesse Barnes <jbarnes <at> virtuousgeek.org> writes:
> Looks like it was introduced in:
> 
> commit 650ad970a39f8b6164fe8613edc150f585315289
> Author: Imre Deak <imre.deak <at> intel.com>
> Date:   Fri Apr 18 16:35:02 2014 +0300
> 
>     drm/i915: vlv: factor out vlv_force_gfx_clock and check for pending
>     force-of
> 
> but I'm not sure why.  It has caused problems for us in the past (see
> 85250ddff7a603dfe0ec0503a9e6395f79424f61 and
> 8d4eee9cd7a170342dc6fbc2ee19ae77031a8cd5) and doesn't seem to be
> required, so let's just drop it.
> 
> References: https://bugs.freedesktop.org/show_bug.cgi?id=89611
> Signed-off-by: Jesse Barnes <jbarnes <at> virtuousgeek.org>


Thanks Jesse,

With this and 1/2 applied I was able to suspend/resume twice in a row
successfully on a MinnowBoard MAX dual-core (E3825) with the 0.78
firmware.

Tested-by: Darren Hart <dvhart at linux.intel.com>