[Bug 101691] [KBL] gfx corruption on windowed 3d-apps running on dGPU

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=101691

--- Comment #33 from Ethan Hsieh <ethan.hsieh at canonical.com> ---
Based on Michel's comment in #23, there are two separate issues here.
So, the test result in comment#20 should be

Test Result:
1. AC Mode: (Power Adapter)
Device 1 (5916):
$ DRI_PRIME=1 glxgear: no corruption issue
$ DRI_PRIME=1 glxgear -fullscreen: tearing
Device 2 (5917):
$ DRI_PRIME=1 glxgear: corruption (!!!)
$ DRI_PRIME=1 glxgear -fullscreen: tearing

2. DC Mode: (Battery)
Device 1 (5916):
$ DRI_PRIME=1 glxgear: no corruption issue
$ DRI_PRIME=1 glxgear -fullscreen: tearing
Device 2 (5917):
$ DRI_PRIME=1 glxgear: no corruption issue
$ DRI_PRIME=1 glxgear -fullscreen: tearing

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