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SubjectRe: [PATCH] RadeonFB ACPI S3 patch fixed to not break S4. 2.6.8.1, 2.6.7
Hi!

> This applies to the patch written by Ole Rohne, ole.rohne_AT_cern.ch
> This applies to Radeon Mobility cards (mine is M9000 but it could work
> for others) on certain laptops that don't reinitialize the video BIOS
> upon resume (Mine is a Dell Insipron 600m but there are others).
>
> This patch reinitializes the Radeon BIOS upon resume from an ACPI sleep
> state other than S4.
>
> The original patch reinitialized the video bios from any ACPI resume,
> but this broke suspending to S4. The machine would begin to suspend,
> then the display would go dark and the system would become unresponsive.
>
> I added an if statement to the part that patches radeon_pm.c so that it
> would NOT try to reinitialize the video BIOS if the machine is entering
> S4. This worked.

Ok.

> Given how much aggrivation this has given me, I figure submitting the
> new patch would be nice.

It needs to follow kernel coding style (see acpi sleep.c). On what
machine did you test it? I have machine (Arima) with radeon but ole's
patches did not work for me, I'll probably test this one too.

Pavel


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