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

From: Ben Hutchings
Date: Thu Jun 29 2017 - 09:46:33 EST


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@xxxxxxxxxxxxxx>
>
>
> [ 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@xxxxxxxxxx>
Date: Fri Feb 17 14:33:01 2017 +1100

drm/ast: Handle configuration without P2A bridge

?

Ben.

--
Ben Hutchings
Software Developer, Codethink Ltd.