linux-kernel - Re: [PATCH 4.4 34/46] drm/ast: Fixed system hanged if disable P2A

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Date:   Mon, 3 Jul 2017 09:27:09 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Ben Hutchings <ben.hutchings@...ethink.co.uk>
Cc:     "Y.C. Chen" <yc_chen@...eedtech.com>,
        Dave Airlie <airlied@...hat.com>,
        Russell Currey <ruscur@...sell.cc>,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Sasha Levin <alexander.levin@...izon.com>
Subject: Re: [PATCH 4.4 34/46] drm/ast: Fixed system hanged if disable P2A

On Thu, Jun 29, 2017 at 02:45:45PM +0100, Ben Hutchings wrote:
> On Thu, 2017-06-15 at 19:52 +0200, Greg Kroah-Hartman wrote:
> > 4.4-stable review patch.  If anyone has any objections, please let me know.
> > 
> > ------------------
> > 
> > From: "Y.C. Chen" <yc_chen@...eedtech.com>
> > 
> > 
> > [ Upstream commit 6c971c09f38704513c426ba6515f22fb3d6c87d5 ]
> > 
> > The original ast driver will access some BMC configuration through P2A bridge
> > that can be disabled since AST2300 and after.
> > It will cause system hanged if P2A bridge is disabled.
> > Here is the update to fix it.
> [...]
> 
> Shouldn't this be followed by:
> 
> commit 71f677a91046599ece96ebab21df956ce909c456
> Author: Russell Currey <ruscur@...sell.cc>
> Date:   Fri Feb 17 14:33:01 2017 +1100
> 
>     drm/ast: Handle configuration without P2A bridge
> 
> ?

Looks like it to me, now queued up, thanks.

greg k-h