[Bug 75401] vgaswitcheroo doesn't work for AMD Radeon 8870m (possibly due to "wrong" PCI class)

bugzilla-daemon at bugzilla.kernel.org bugzilla-daemon at bugzilla.kernel.org
Mon May 5 21:36:28 PDT 2014


drill87 at gmail.com changed:

           What    |Removed                     |Added
             Status|NEW                         |RESOLVED
         Resolution|---                         |PATCH_ALREADY_AVAILABLE

--- Comment #3 from drill87 at gmail.com ---
Yes, it fixes vgaswitcheroo problem. Sorry for misleading bugreport then.

However, I would like to mention that radeon module had 2 places with
"problematic" PCI class test.

The first one is fixed with the aforementioned patch.

The second place is in file "radeon_bios.c" in function "static bool
radeon_atrm_get_bios(struct radeon_device *rdev)". I don't know if it is a
problem, but it's still expected only cards with PCI_CLASS_DISPLAY_VGA class
there. Thus, I guess, the bios doesn't get initialized properly for my card

Anyway, thank you for your time!

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