[PATCH] drm/i915: don't implement WaDisableEarlyCull for Haswell

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On Wed, Oct 10, 2012 at 10:42:52PM +0100, Lespiau, Damien wrote:
> On Wed, Oct 10, 2012 at 10:09 PM, Paulo Zanoni <przanoni at gmail.com> wrote:
> > From: Paulo Zanoni <paulo.r.zanoni at intel.com>
> >
> > Introduced in commit 87f8020ec9e3069597746040a4e8655189bc0c1a:
> >   drm/i915: implement WaDisableEarlyCull for VLV and IVB
> >
> > Notice that the original patch sent to the mailing list did not
> > include the Haswell chunk, it was added later.
> >
> > The bit set by the commit does not exist on Haswell machines (at least
> > that's what the documentation says). Also, the commit gives me a GPU
> > hang every time we're loading the driver. So let's revert the Haswell
> > chunk, making the patch do only what its title actually says.
> >
> > Signed-off-by: Paulo Zanoni <paulo.r.zanoni at intel.com>
> 
> Indeed the bit definition has disappeared in the documentation, but
> the wa is listed in the wa database. A hang is very handy to decide
> who is right :)
> 
> Reviewed-by: Damien Lespiau <damien.lespiau at intel.com>
Queued for -next, thanks for the patch.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch


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