ACK / APPLIED[D]: [PATCH 0/2] [SRU][B/C/D/OEM]Fix Xorg crash with nomodeset when BIOS

[Seth Forshee]

On Tue, Jan 22, 2019 at 03:05:44PM +0800, Aaron Ma wrote:
> BugLink: https://bugs.launchpad.net/bugs/1812797
> 
> [Impact]
> On dual GPU platform, BIOS set frame buffer addr to 64-bit,
> usually when CSM=NO setting in BIOS.
> When no proper GPU driver loaded, Xorg driver will use the wrong fb addr,
> then crash.
> 
> [Fix]
> Add 64-bit efifb support, make Xorg find the correct GPU fb addr.
> If still failed, use the first GPU as default.
> 
> [Test]
> Tested on Intel and NV dual GPU platform. Works fine.
> 
> [Regression Potential]
> Upstream fix, low risk.
> Verified on ThinkPad P1/P52.

Upstream cherry picks, positive testing.

Acked-by: Seth Forshee <seth.forshee at canonical.com>

Applied to disco/master-next, thanks!