[Bug 86431] New: ATI/AMD Radeon HD 8670A/8670M/8750M not initializing

[Bug 86431] New: ATI/AMD Radeon HD 8670A/8670M/8750M not initializing

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=86431

            Bug ID: 86431
           Summary: ATI/AMD Radeon HD 8670A/8670M/8750M not initializing
           Product: Drivers
           Version: 2.5
    Kernel Version: >= 3.16.0
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: blocking
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri@kernel-bugs.osdl.org
          Reporter: brent.saner@gmail.com
        Regression: No

In kernels >= 3.17, my AMD GPU does not seem to initialize.

For full background (including lspci output, dmesg, symptoms, acpidump,
bisection, and other pertinent info), please see bug #84221
Specifically, in addition to the attachments and description, see comment 23,
24, 25.

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[Bug 86431] ATI/AMD Radeon HD 8670A/8670M/8750M not initializing

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=86431

brent s. <brent.saner@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Blocks|                            |84221

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[Bug 86431] ATI/AMD Radeon HD 8670A/8670M/8750M not initializing

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=86431

brent s. <brent.saner@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Regression|No                          |Yes

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[Bug 86431] ATI/AMD Radeon HD 8670A/8670M/8750M not initializing

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=86431

Alex Deucher <alexdeucher@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |alexdeucher@gmail.com

--- Comment #1 from Alex Deucher <alexdeucher@gmail.com> ---
Please attach your full dmesg output (I couldn't find it on the other bug
report).  Note that the AMD card is not connected to the laptop panel.  The AMD
card is purely for offload rendering (e.g., AMD card renders a game and then
the frame is sent to the Intel card for display).

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[Bug 86431] ATI/AMD Radeon HD 8670A/8670M/8750M not initializing

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=86431

--- Comment #2 from brent s. <brent.saner@gmail.com> ---
Created attachment 154051
  --> https://bugzilla.kernel.org/attachment.cgi?id=154051&action=edit
dmesg output on 3.16.4-1

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[Bug 86431] ATI/AMD Radeon HD 8670A/8670M/8750M not initializing

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https://bugzilla.kernel.org/show_bug.cgi?id=86431

--- Comment #3 from brent s. <brent.saner@gmail.com> ---
Dmesg output attached.

The panel isn't attached to the AMD card? The ACPI issues in the other bug seem
related to AMD, and it affects the display, even in TTY, so I had thought
otherwise.

Let me know if you need any other output

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[Bug 86431] ATI/AMD Radeon HD 8670A/8670M/8750M not initializing

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=86431

--- Comment #4 from Alex Deucher <alexdeucher@gmail.com> ---
The radeon driver has initialized fine.  There are no displays wired to the
radeon card at all.  It's purely for rendering offload.  If you are not getting
a display it's an issue with the intel driver.

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[Bug 86431] ATI/AMD Radeon HD 8670A/8670M/8750M not initializing

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https://bugzilla.kernel.org/show_bug.cgi?id=86431

Alan <alan@lxorguk.ukuu.org.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |alan@lxorguk.ukuu.org.uk,
                   |                            |intel-gfx-bugs@lists.freede
                   |                            |sktop.org
          Component|Video(DRI - non Intel)      |Video(DRI - Intel)
           Assignee|drivers_video-dri@kernel-bu |intel-gfx-bugs@lists.freede
                   |gs.osdl.org                 |sktop.org

--- Comment #5 from Alan <alan@lxorguk.ukuu.org.uk> ---
(moved to Intel side)

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