Re: [PATCH v1 0/2] video: fbdev: radeonfb: PCI PM framework upgrade and fix-ups.

[Michel Dänzer]

On 2020-09-07 9:55 a.m., Daniel Vetter wrote:
> On Thu, Aug 06, 2020 at 12:52:54PM +0530, Vaibhav Gupta wrote:
> > Linux Kernel Mentee: Remove Legacy Power Management.
> >
> > The original goal of the patch series is to upgrade the power management
> > framework of radeonfb fbdev driver. This has been done by upgrading .suspend()
> > and .resume() callbacks.
> >
> > The upgrade makes sure that the involvement of PCI Core does not change the
> > order of operations executed in a driver. Thus, does not change its behavior.
> >
> > During this process, it was found that "#if defined(CONFIG_PM)" at line 1434 is
> > redundant. This was introduced in the commit
> > 42ddb453a0cd ("radeon: Conditionally compile PM code").
>
> I do wonder whether it wouldn't be better to just outright delete these,
> we have the drm radeon driver for pretty much all the same hardware ...

In contrast to radeonfb, the radeon driver doesn't support 
suspend-to-RAM on Apple PowerPC notebooks.


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Earthling Michel Dänzer               |               https://redhat.com
Libre software enthusiast             |             Mesa and X developer