[Bug 37112] GPU lockup when trying to use profile based frequency switching

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=37112


Rafał Miłecki <zajec5 at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |zajec5 at gmail.com




--- Comment #6 from Rafał Miłecki <zajec5 at gmail.com>  2011-06-11 07:36:36 ---
(In reply to comment #5)
> My first guess is , that kernel changes memory clock too low - with fglrx
> lowest memory clock is at 400MHz , but with radeon module/low frequency it
> changes it to 300MHz.

Please, edit drivers/gpu/drm/radeon/radeon_pm.c, find:
> if (rdev->asic->set_memory_clock && (mclk != rdev->pm.current_mclk)) {
and make it
> if (0) {

Does it help?

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