APPLIED (hirsute/5.11): [SRU] [F/G/Unstable/OEM-5.10] [PATCH 0/1] Fix broken efifb on graphics device without driver

Andrea Righi andrea.righi at canonical.com
Tue Mar 16 16:04:04 UTC 2021


Applied to hirsute/5.11.

Thanks,
-Andrea

On Thu, Feb 04, 2021 at 12:40:59AM +0800, Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1914411
> 
> [Impact]
> EFIFB stops working after graphics device is runtime suspended in
> D3cold.
> 
> [Fix]
> Prevent the graphics device from being runtime suspended.
> 
> [Test]
> With the patch applied, using efifb on graphics device without driver
> always work, because the device stays at D0 all the time.
> 
> [Where problems could occur]
> Potentially this can affect power consumption, if user expects to put
> graphics device to D3cold, and is fine to get a broken efifb.
> 
> Kai-Heng Feng (1):
>   UBUNTU: SAUCE: efifb: Ensure graphics device for efifb stays at PCI D0
> 
>  drivers/video/fbdev/efifb.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> -- 
> 2.29.2
> 
> 
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