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> -- Damien