[Bug 202217] New: Integrated laptop display doesnt come back up after using PRIME on wayland

[Bug 202217] New: Integrated laptop display doesnt come back up after using PRIME on wayland

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=202217

            Bug ID: 202217
           Summary: Integrated laptop display doesnt come back up after
                    using PRIME on wayland
           Product: Drivers
           Version: 2.5
    Kernel Version: 5.0-rc1
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri@kernel-bugs.osdl.org
          Reporter: haxk612@gmail.com
        Regression: No

This issue was happening also on amd-staging-drm-next before 5.0rc1.

The issue is when GNOME with wayland is launched. Screen goes black after few
seconds and doesnt come back up.

Expected result: Black screen and display coming back up as on older kernel
versions
Actual result: Black screen and display not coming back up.

Black screen and display coming up is normal behavior when switching from iGPU
to dGPU or vice versa.

This isnt an issue on Xorg because when switching from iGPU to dGPU because on
Xorg display never goes black when switching.

Only way to use 5.0rc1 is to use Xorg which isnt a problem but i would like to
run Wayland.

Laptop: Acer nitro 5
iGPU: VEGA 8
dGPU RX560X

If you need to run anything in terminal or get logs im happy to provide them.
*/This issue was originally posted in video-other but i realized that that is a
wrong category/*

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[Bug 202217] Integrated laptop display doesnt come back up after using PRIME on wayland

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=202217

--- Comment #1 from Haxk20 (haxk612@gmail.com) ---
*** Bug 202197 has been marked as a duplicate of this bug. ***

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[Bug 202217] Integrated laptop display doesnt come back up after using PRIME on wayland

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=202217

Alex Deucher (alexdeucher@gmail.com) changed:

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

--- Comment #2 from Alex Deucher (alexdeucher@gmail.com) ---
Please attach your xorg log and dmesg output.  Can you provide more details on
what exactly the issue is?  On hybrid laptops, the dGPU is used for rendering
offload.  The local display is generally only attached to the APU.  If this is
a regression, can you bisect?

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[Bug 202217] Integrated laptop display doesnt come back up after using PRIME on wayland

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=202217

--- Comment #3 from Haxk20 (haxk612@gmail.com) ---
(In reply to Alex Deucher from comment #2)
> Please attach your xorg log and dmesg output.  Can you provide more details
> on what exactly the issue is?  On hybrid laptops, the dGPU is used for
> rendering offload.  The local display is generally only attached to the APU.
> If this is a regression, can you bisect?

The issue is that on Wayland when i use DRI_PRIME=1 to use dGPU for offloading
the screen goes black and never comes back on. On 4.20 the screen would go
black but would come back on after a second or two.

Will post logs later today.
And if i may ask whats the point of Xorg logs since this issue occurs ONLY in
Wayland ?
On Xorg the screen works perfectly fine and actually when using DRI_PRIME=1 the
display doesnt even go black for a sec.
The main issue with this bug is that when i turn on Wayland session of GNOME
the display would show my desktop but after few seconds it would go black and
then come back up. On 5.0 the screen goes black but never comes back up.
This makes it impossible to use Wayland session of GNOME.

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[Bug 202217] Integrated laptop display doesnt come back up after using PRIME on wayland

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=202217

--- Comment #4 from Alex Deucher (alexdeucher@gmail.com) ---
Don't worry about the xorg log.  Sorry, habit.

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[Bug 202217] Integrated laptop display doesnt come back up after using PRIME on wayland

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=202217

--- Comment #5 from Haxk20 (haxk612@gmail.com) ---
Created attachment 280433
  --> https://bugzilla.kernel.org/attachment.cgi?id=280433&action=edit
dmesg

Dmesg output right after screen went black.
Switched to tty3 and blindly took the dmesg.

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[Bug 202217] Integrated laptop display doesnt come back up after using PRIME on wayland

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=202217

--- Comment #6 from Haxk20 (haxk612@gmail.com) ---
(In reply to Alex Deucher from comment #4)
> Don't worry about the xorg log.  Sorry, habit.

And what i noticed is that when the screen goes black then even after switching
to ttyX the screen still stays black.

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[Bug 202217] Integrated laptop display doesnt come back up after using PRIME on wayland

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=202217

--- Comment #7 from Haxk20 (haxk612@gmail.com) ---
I did some further testing. The bug seems to be that even when i run just TTY
session without GNOME even launched and i suspend the laptop to turn off the
screen then the screen doesnt come back up. But i can still type on keyboard
and the machine does what i type. So i have to turn it off blindly.
This makes the machine unusable outside where you have to suspend the machine.

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[Bug 202217] Integrated laptop display doesnt come back up after using PRIME on wayland

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=202217

Haxk20 (haxk612@gmail.com) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|normal                      |high

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[Bug 202217] Integrated laptop display doesnt come back up after using PRIME on wayland

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=202217

Haxk20 (haxk612@gmail.com) changed:

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

--- Comment #8 from Haxk20 (haxk612@gmail.com) ---
Issue fixed as of the latest drm patches sent to kernel that will become RC3

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