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

[Stefan Bader]

On 22.01.19 08:05, 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.
> 
> Aaron Ma (2):
>   vgaarb: Add support for 64-bit frame buffer address
>   vgaarb: Keep adding VGA device in queue
> 
>  drivers/gpu/vga/vgaarb.c | 21 ++++++++++++++-------
>  1 file changed, 14 insertions(+), 7 deletions(-)
> 
Acked-by: Stefan Bader <stefan.bader at canonical.com>

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