[Bug 119991] Screen is corrupt upon resume from hybrid-sleep with Radeon HD5xxx cards

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=119991

Felix Schwarz <felix.schwarz at oss.schwarz.eu> changed:

           What    |Removed                     |Added
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                 CC|                            |felix.schwarz at oss.schwarz.e
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--- Comment #1 from Felix Schwarz <felix.schwarz at oss.schwarz.eu> ---
This commit seems to be a funny one as it was reverted later one (and we even
have a revert of the revert). If you revert b9729b17 on top of Linus' tree does
the problem go away for you?

Hopefully this isn't too much noise (as it might be a different problem) I see
similar symptoms with a HD6450 (also with regular suspend but it only happens
in most cases, not always) and the problem goes away if I revert that commit.


just for reference:
commit d57c0edfe00d3274b50f91ce3076ed0e82d28782
Author: Alex Deucher <alexander.deucher at amd.com>
Date:   Wed Jul 8 14:08:12 2015 -0400

    Revert "Revert "drm/radeon: dont switch vt on suspend""

    This reverts commit ac9134906b3f5c2b45dc80dab0fee792bd516d52.

    We've fixed the underlying problem with cursors, so re-enable
    this.

commit ac9134906b3f5c2b45dc80dab0fee792bd516d52
Author: Alex Deucher <alexander.deucher at amd.com>
Date:   Mon Jun 29 11:09:11 2015 -0400

    Revert "drm/radeon: dont switch vt on suspend"

    This reverts commit b9729b17a414f99c61f4db9ac9f9ed987fa0cbfe.

    This seems to break the cursor on resume for lots of systems.

    Cc: stable at vger.kernel.org

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