From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 33512] radeon: lots of time spent in atombios_crtc_disable
Date: Fri, 5 Aug 2011 13:52:24 GMT
Message-ID: <201108051352.p75DqOfA000588@demeter1.kernel.org>
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https://bugzilla.kernel.org/show_bug.cgi?id=33512
--- Comment #3 from Alex Deucher 2011-08-05 13:52:21 ---
The only places atombios_crtc_disable() called are from
drm_crtc_helper_set_config() and drm_helper_resume_force_mode(). I suspect
what is happening is that certain games cause GPU resets which call
radeon_gpu_reset() which in turn calls drm_helper_resume_force_mode(). I don't
think this is a kernel bug at all. I'd suggest trying a newer mesa if you are
using an older version. Try 7.11. Do you see GPU reset messages in your dmesg
output after running a problematic game?
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