[Bug 117591] New: amdgpu: Black screens on A10-8700P (Carrizo) + R7 M260/M265 (Topaz) Combo

[Bug 117591] New: amdgpu: Black screens on A10-8700P (Carrizo) + R7 M260/M265 (Topaz) Combo

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=117591

            Bug ID: 117591
           Summary: amdgpu: Black screens on A10-8700P (Carrizo) + R7
                    M260/M265 (Topaz) Combo
           Product: Drivers
           Version: 2.5
    Kernel Version: 4.4.0-21-generic
          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: jani.vainola@gmail.com
        Regression: No

Created attachment 215171
  --> https://bugzilla.kernel.org/attachment.cgi?id=215171&action=edit
dmesg

Getting black screens after fresh install on HP pavillion laptop with A10-8700P
(Carrizo) + R7 M260/M265 (Topaz). Happened both in Ubuntu, Antergos and Debian
(Testing). The computer is still running and I can access it and operate it via
SSH. It just seems that the driver is unloaded in some way.

The blackscreen can occur basically at any time after login. Sometimes it
occurs directly after login, sometimes a bit later, but it hasn't been longer
than 5 min.

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[Bug 117591] amdgpu: Black screens on A10-8700P (Carrizo) + R7 M260/M265 (Topaz) Combo

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=117591

--- Comment #1 from Jani Väinölä <jani.vainola@gmail.com> ---
Created attachment 215181
  --> https://bugzilla.kernel.org/attachment.cgi?id=215181&action=edit
xrandr outputs before the black screen

This is what I get with xrandr commands before I get the black screen

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[Bug 117591] amdgpu: Black screens on A10-8700P (Carrizo) + R7 M260/M265 (Topaz) Combo

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=117591

--- Comment #2 from Jani Väinölä <jani.vainola@gmail.com> ---
Created attachment 215191
  --> https://bugzilla.kernel.org/attachment.cgi?id=215191&action=edit
xrandr outputs after the black screen

This is what I get after the black screen (taken with ssh -X)

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[Bug 117591] amdgpu: Black screens on A10-8700P (Carrizo) + R7 M260/M265 (Topaz) Combo

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=117591

--- Comment #3 from Jani Väinölä <jani.vainola@gmail.com> ---
Created attachment 215201
  --> https://bugzilla.kernel.org/attachment.cgi?id=215201&action=edit
xorg.log

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[Bug 117591] amdgpu: Black screens on A10-8700P (Carrizo) + R7 M260/M265 (Topaz) Combo

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=117591

--- Comment #4 from Jani Väinölä <jani.vainola@gmail.com> ---
Created attachment 215211
  --> https://bugzilla.kernel.org/attachment.cgi?id=215211&action=edit
Kernel log

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[Bug 117591] amdgpu: Black screens on A10-8700P (Carrizo) + R7 M260/M265 (Topaz) Combo

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=117591

--- Comment #5 from Jani Väinölä <jani.vainola@gmail.com> ---
Created attachment 215221
  --> https://bugzilla.kernel.org/attachment.cgi?id=215221&action=edit
Output of lspci -vv

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[Bug 117591] amdgpu: Black screens on A10-8700P (Carrizo) + R7 M260/M265 (Topaz) Combo

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=117591

--- Comment #6 from Jani Väinölä <jani.vainola@gmail.com> ---
Also, this machine worked flawlessly with the old fglrx 15.12 drivers. The
troubles started when I did the upgrade to Ubuntu 16.04, but I did do fresh
install of several distros to try it out.

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[Bug 117591] amdgpu: Black screens on A10-8700P (Carrizo) + R7 M260/M265 (Topaz) Combo

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=117591

Alex Deucher <alexdeucher@gmail.com> changed:

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

--- Comment #7 from Alex Deucher <alexdeucher@gmail.com> ---
Does appending amdgpu.runpm=0 to the kernel command line in grub help?

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[Bug 117591] amdgpu: Black screens on A10-8700P (Carrizo) + R7 M260/M265 (Topaz) Combo

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=117591

--- Comment #8 from Jani Väinölä <jani.vainola@gmail.com> ---
Yes it did! :) Perfect! Thanks! I have been running the laptop now for an hour
and it is still working great.

Now if I run lspci -vv I get:
04:00.0 Display controller: Advanced Micro Devices, Inc. [AMD/ATI] Topaz XT
[Radeon R7 M260/M265] (rev 81)
    DeviceName: AMD Radeon (TM) R7 M260
    Subsystem: Hewlett-Packard Company Topaz XT [Radeon R7 M260/M265]
    Physical Slot: 0-1
    Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx+
    Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR- INTx-
    Latency: 0
    Interrupt: pin A routed to IRQ 33
    Region 0: Memory at e0000000 (64-bit, prefetchable) [size=256M]
    Region 2: Memory at f0000000 (64-bit, prefetchable) [size=2M]
    Region 4: I/O ports at d000 [size=256]
    Region 5: Memory at ff300000 (32-bit, non-prefetchable) [size=256K]
    Expansion ROM at ff340000 [disabled] [size=128K]
    Capabilities: <access denied>
    Kernel driver in use: amdgpu
    Kernel modules: amdgpu

Which basically means that the system can find it...so if I understand this
correctly (after googling) this command disables the driver power control and
this means that my discrete card is not automatically turned on? That suits me
fine since I don't use it anyway.

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[Bug 117591] amdgpu: Black screens on A10-8700P (Carrizo) + R7 M260/M265 (Topaz) Combo

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=117591

--- Comment #9 from Jani Väinölä <jani.vainola@gmail.com> ---
I guess I should leave the bug open so you can investigate why this discrete
card is not running properly in normal mode? (BTW: I noticed now that my card
is an R7 M260X according to the laptop-box).

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[Bug 117591] amdgpu: Black screens on A10-8700P (Carrizo) + R7 M260/M265 (Topaz) Combo

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=117591

Thomas J. Moore <darktjm@gmail.com> changed:

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

--- Comment #10 from Thomas J. Moore <darktjm@gmail.com> ---
I have almost identical hardware, but a much different experience (kernel
4.6.2, 4.6.3, 4.6.4, 4.7-rc4 on Gentoo).  For me, I rarely, if ever, get a
non-black screen.  Sometimes, when the machine has been running a while before
rebooting, I get good video up until init gets loaded. During the many
hours/days I beat my head against this problem, on very rare occasions
everything would just start working.  This problem is made worse by the fact
that I have no other machines to connect with (I could still execute commands
blindly, when lucky, or prepare scripts to do what I wanted with minimal chance
for typos) and the fact that the keyboard appears to have issues.  When I first
got the machine, I used efifb, and it worked (and still works) perfectly all
the time (except, of course, no 3d, and no brightness control, and no
resolution switching in X).  Among other things, I played with all the various
power management toggles (including runpm) and nothing helped.  I still can't
get video on the console, although I have finally stumbled on a workaround for
X that sometimes works OK (and may benefit from runpm=0, but I'd have to try
again from a cold boot after long powerdown, since that's when the video acts
up the most): xrandr --output eDP --crtc 1.  Most of the time this causes video
to appear in X.  Sometimes that video is flickery, and sometimes toggling the
crtc between 0 and 1 causes the flickering to disappear.  Almost all the time
when X is killed with crtc 1 enabled, the machine hangs, as well, but that's
not really a big deal.  Given the severe lack of documentation for drm, I
haven't tried to make a console program with similar effect, and my attempts at
tracing the kernel module to force "crtc 1" to be chosen by default have all
ended in frustration.  Then again, since the machine sometimes (even if very,
very rarely) "just works", I'm not sure why I would have to swtich the crtc in
the first place.

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[Bug 117591] amdgpu: Black screens on A10-8700P (Carrizo) + R7 M260/M265 (Topaz) Combo

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=117591

--- Comment #11 from Michel Dänzer <michel@daenzer.net> ---
Thomas, since your symptoms are different from Jani's, please file your own
report, preferably at
https://bugs.freedesktop.org/enter_bug.cgi?product=DRI&component=DRM/AMDgpu .

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[Bug 117591] amdgpu: Black screens on A10-8700P (Carrizo) + R7 M260/M265 (Topaz) Combo

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=117591

--- Comment #12 from Thomas J. Moore <darktjm@gmail.com> ---
(In reply to Michel Dänzer from comment #11)
> Thomas, since your symptoms are different from Jani's, please file your own
> report, preferably at
> https://bugs.freedesktop.org/enter_bug.cgi?product=DRI&component=DRM/AMDgpu .

I have done as requested, but I still think this bug covers it.  Basically it
amounts to "Broken Carrizo+Topaz [on HP?] power management issues lead to black
or flickering screen with amdgpu".  Since my latest working solution (boot into
X w/ power management enabled, then reboot with it disabled) does not involve
playing with the crtc switch, I am even more convinced of this.  The only part
that isn't covered is the system hang when killing X with crtc 1 enabled, but
that's not something I ever cared about, anyway.

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[Bug 117591] amdgpu: Black screens on A10-8700P (Carrizo) + R7 M260/M265 (Topaz) Combo

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=117591

Jani Väinölä (jani.vainola@gmail.com) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |CODE_FIX

--- Comment #13 from Jani Väinölä (jani.vainola@gmail.com) ---
I installed Kernel 4.15 on this machine now and it worked flawlessly. So I
consider this bug resolved on 4.15.

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[Bug 117591] amdgpu: Black screens on A10-8700P (Carrizo) + R7 M260/M265 (Topaz) Combo

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=117591

Jani Väinölä (jani.vainola@gmail.com) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|CODE_FIX                    |UNREPRODUCIBLE

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