Wake up freeze with disabled amd graphics

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http://forums.fedoraforum.org – Hi, I have laptop HP ProBook 450 with Intel integrated graphic card and AMD dedicated graphic card. lspci | grep VGA Code: 00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09) 01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Mars [Radeon HD 8670A/8750M] I have 2 problems: 1) when i disable AMD graphic card (echo OFF > /sys/kernel/debug/vgaswitcheroo/switch) everything is going OK until laptop goes to sleep (FN + f3). It doesnt wake up - system freeze. Screen is black, i can do nothing (only shutdow (HowTos)