[Intel-gfx] [PATCH] drm/i915: fixup sbi_read/write locking

[Ben Widawsky]

On Tue, 22 Jan 2013 15:33:27 +0100
daniel.vetter at ffwll.ch wrote:

> From: Daniel Vetter <daniel.vetter at ffwll.ch>
> 
> commit 09153000b8ca32a539a1207edebabd0d40b6c61b
> Author: Daniel Vetter <daniel.vetter at ffwll.ch>
> Date:   Wed Dec 12 14:06:44 2012 +0100
> 
>     drm/i915: rework locking for intel_dpio|sbi_read|write
> 
> reworked the locking around sbi_read/write functions for 3.8-fixes.
> But
> 
> commit dde86e2db54545ef981b64805097a7b4c3156d6e
> Author: Paulo Zanoni <paulo.r.zanoni at intel.com>
> Date:   Sat Dec 1 12:04:25 2012 -0200
> 
>     drm/i915: add lpt_init_pch_refcl
> 
> Added new use-cases in the -next tree which has not been updated in
> the merge. Fix it up.
> 
> Reported-by: Ben Widawsky <ben at bwidawsk.net>
> Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
Reviewed-by: Ben Widawsky <ben at bwidawsk.net>
Tested-by: Ben Widawsky <ben at bwidawsk.net>