[Bug 60857] Unstable display with Radeon 760G (ASUS M4A78L-M LE)

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=60857

--- Comment #15 from Stuart Foster <smf.linux at ntlworld.com> ---
Created attachment 108661
  --> https://bugzilla.kernel.org/attachment.cgi?id=108661&action=edit
Output from dmesg from vanilla kernel 3.12-rc1

Alex

With the release of kernel 3.12-rc1 I took the opportunity look at the display
stability of the kernel with non of the patches we discussed applied and I was
surprised to see that the display was unexpectedly stable. However I am
wondering if dpm is actually active for some reason and masking my original
issue. The following extracts from the attached dmesg log are what give me
grounds for concern:

Kernel command line: BOOT_IMAGE=Trial ro root=813 nf_conntrack.acct=1
userpte=nohigh radeon.modeset=1 radeon.agpmode=-1 radeon.audio=1 iommu=pt
iommu=1 radeon.dpm=1
Booting kernel: `-1' invalid for parameter `radeon.agpmode'

[drm] radeon: power management initialized

what do you think ?

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