RE: [PATCH V2] Quirk for IVB graphics FLR errata

2012-02-29 Thread Hao, Xudong
> -Original Message- > From: Jesse Barnes [mailto:jbar...@virtuousgeek.org] > Sent: Thursday, March 01, 2012 2:32 AM > To: Hao, Xudong > Cc: linux-...@vger.kernel.org; linux-ker...@vger.kernel.org; > kvm@vger.kernel.org; Kay, Allen M; Zhang, Xiantao > Subject: Re: [PA

Re: [PATCH V2] Quirk for IVB graphics FLR errata

2012-02-29 Thread Jesse Barnes
On Wed, 29 Feb 2012 03:11:24 + "Hao, Xudong" wrote: > For IvyBridge Mobile platform, a system hang may occur if a > FLR(Function Level Reset) is asserted to internal graphics. > > This quirk patch is workaround for the IVB FLR errata issue. > We are disabling the FLR reset handshake between