[Bug 106271] New: Switch between AMD hybrid graphics (HD 8650G / HD 8970M) makes hardware reset. - bugzilla-daemon

From: bugzilla-daemon@bugzilla.kernel.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 106271] New: Switch between AMD hybrid graphics (HD 8650G / HD 8970M) makes hardware reset.
Date: Mon, 19 Oct 2015 17:40:36 +0000	[thread overview]
Message-ID: <bug-106271-2300@https.bugzilla.kernel.org/> (raw)

https://bugzilla.kernel.org/show_bug.cgi?id=106271

            Bug ID: 106271
           Summary: Switch between AMD hybrid graphics (HD 8650G / HD
                    8970M) makes hardware reset.
           Product: Drivers
           Version: 2.5
    Kernel Version: 4.2.3
          Hardware: x86-64
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri@kernel-bugs.osdl.org
          Reporter: aneroid@inbox.ru
        Regression: No

Created attachment 190531
  --> https://bugzilla.kernel.org/attachment.cgi?id=190531&action=edit
lspci -vvv

Hello, 
Hardware: MSI GX60 with two graphic cards, integrated inside A10 GPU and
discrete AMD R9 M290X.

Integrated card is the main card by default:

sudo cat /sys/kernel/debug/vgaswitcheroo/switch
0:IGD:+:Pwr:0000:00:01.0
1:DIS: :DynOff:0000:01:00.0

If I try to swich to discrete card:

sudo echo DIS > /sys/kernel/debug/vgaswitcheroo/switch

Hardware reboot happend and BIOS starting.

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