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

[Timo Aaltonen]

On 3.2.2021 18.40, 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(+)
> 

patch accepted upstream to drm-misc-next, and now applied to oem-5.10, 
thanks


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