[Bug 93896] New: Nvidia GeForce GTX 970M unsupported, no backlight control - bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ

From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ@public.gmane.org
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: [Bug 93896] New: Nvidia GeForce GTX 970M unsupported, no backlight control
Date: Thu, 28 Jan 2016 06:36:44 +0000	[thread overview]
Message-ID: <bug-93896-8800@http.bugs.freedesktop.org/> (raw)

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https://bugs.freedesktop.org/show_bug.cgi?id=93896

            Bug ID: 93896
           Summary: Nvidia GeForce GTX 970M unsupported, no backlight
                    control
           Product: Mesa
           Version: 11.0
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/nouveau
          Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
          Reporter: jvoss-Cpl0xJrrQRvQT0dZR+AlfA@public.gmane.org
        QA Contact: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org

Created attachment 121344
  --> https://bugs.freedesktop.org/attachment.cgi?id=121344&action=edit
Video BIOS

The driver cannot load the firmware nvidia/gm204/fecs_inst.bin.
Xorg won't load the nouveau driver because Unknown chipset: NV124.
The backlight does not work.

The following commands have no affect on the brightness:
echo 2 |sudo tee /sys/class/backlight/acpi_video0/brightness
echo 10 |sudo tee /sys/class/backlight/acpi_video0/brightness

Brightness works with the proprietary nvidia driver.

If mmiotrace logs are beneficial, I will add them.

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