Re: [PATCH v5 2/12] drm/ast: Handle configuration without P2A bridge

On Fri, Feb 24, 2017 at 1:11 PM, Benjamin Herrenschmidt wrote: > The ast driver configures a window to enable access into BMC > memory space in order to read some configuration registers. > > If this window is disabled, which it can be from the BMC side, > the ast driver

[PATCH v5 2/12] drm/ast: Handle configuration without P2A bridge

The ast driver configures a window to enable access into BMC memory space in order to read some configuration registers. If this window is disabled, which it can be from the BMC side, the ast driver can't function. Closing this window is a necessity for security if a machine's host side and BMC