[Bug 104898] New: backlight problem with the NVIDIA G96GLM [Quadro FX 770M]

[Bug 104898] New: backlight problem with the NVIDIA G96GLM [Quadro FX 770M]

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=104898

            Bug ID: 104898
           Summary: backlight problem with the NVIDIA G96GLM [Quadro FX
                    770M]
           Product: xorg
           Version: unspecified
          Hardware: All
                OS: All
            Status: NEW
          Severity: major
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
          Reporter: estellnb-7Km2I/eHSAQdnm+yROfE0A@public.gmane.org
        QA Contact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org

There is a problem with the backlight of my FTS Celsius H265 notebook and its
NVIDIA G96GLM [Quadro FX 770M] graphics card. When I leave my computer
unattended for a while Xfce turns off the backlight of my computer as there is
no input. However as soon as it does so my screen stays permanently black. When
I move the mouse the backlight goes on again; however the screen content
remains black. The same problem occurs with s2ram; after awaking from s2ram
Num-Lock works well but the screen stays black. However to evoke this error it
isn`t necessary to s2ram; the desktop environment just needs to switch the
backlight off. - using kernel 4.15.0-rc9+.

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[Bug 104898] backlight problem with the NVIDIA G96GLM [Quadro FX 770M]

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=104898

--- Comment #1 from Elmar Stellnberger <estellnb-7Km2I/eHSAQdnm+yROfE0A@public.gmane.org> ---
Created attachment 137375
  --> https://bugs.freedesktop.org/attachment.cgi?id=137375&action=edit
systool -c backlight -v ... before suspend

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[Bug 104898] backlight problem with the NVIDIA G96GLM [Quadro FX 770M]

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=104898

--- Comment #2 from Elmar Stellnberger <estellnb-7Km2I/eHSAQdnm+yROfE0A@public.gmane.org> ---
Created attachment 137376
  --> https://bugs.freedesktop.org/attachment.cgi?id=137376&action=edit
systool -c backlight -v ... after suspend

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[Bug 104898] backlight problem with the NVIDIA G96GLM [Quadro FX 770M]

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=104898

--- Comment #3 from Elmar Stellnberger <estellnb-7Km2I/eHSAQdnm+yROfE0A@public.gmane.org> ---
Created attachment 137377
  --> https://bugs.freedesktop.org/attachment.cgi?id=137377&action=edit
systool -c drm -v ... before suspend

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[Bug 104898] backlight problem with the NVIDIA G96GLM [Quadro FX 770M]

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=104898

--- Comment #4 from Elmar Stellnberger <estellnb-7Km2I/eHSAQdnm+yROfE0A@public.gmane.org> ---
Created attachment 137378
  --> https://bugs.freedesktop.org/attachment.cgi?id=137378&action=edit
systool -c drm -v ... after suspend

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[Bug 104898] backlight problem with the NVIDIA G96GLM [Quadro FX 770M]

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=104898

--- Comment #5 from Elmar Stellnberger <estellnb-7Km2I/eHSAQdnm+yROfE0A@public.gmane.org> ---
Tried to record any changes of device parameters before and after suspend
above. However the same values seem to change across reboots as well.

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[Bug 104898] backlight problem with the NVIDIA G96GLM [Quadro FX 770M]

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=104898

--- Comment #6 from Karol Herbst <karolherbst-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
can you check if this patch fixes it for you?

https://lists.freedesktop.org/archives/nouveau/2018-February/029869.html

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[Bug 104898] backlight problem with the NVIDIA G96GLM [Quadro FX 770M]

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=104898

--- Comment #7 from Elmar Stellnberger <estellnb-7Km2I/eHSAQdnm+yROfE0A@public.gmane.org> ---
  No, unfortunately the given patch did not resolve the backlight issue for me.

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[Bug 104898] backlight problem with the NVIDIA G96GLM [Quadro FX 770M]

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=104898

Martin Peres <martin.peres-GANU6spQydw@public.gmane.org> changed:

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

--- Comment #8 from Martin Peres <martin.peres-GANU6spQydw@public.gmane.org> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance:
https://gitlab.freedesktop.org/xorg/driver/xf86-video-nouveau/issues/408.

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