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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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