From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ@public.gmane.org Subject: [Bug 100446] New: Backlight control not working on Pascal / GP106 using nouveau drivers Date: Wed, 29 Mar 2017 10:42:53 +0000 Message-ID: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0033671597==" Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: nouveau-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "Nouveau" To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org List-Id: nouveau.vger.kernel.org --===============0033671597== Content-Type: multipart/alternative; boundary="14907841730.E23a9D3.23992"; charset="UTF-8" --14907841730.E23a9D3.23992 Date: Wed, 29 Mar 2017 10:42:53 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated https://bugs.freedesktop.org/show_bug.cgi?id=3D100446 Bug ID: 100446 Summary: Backlight control not working on Pascal / GP106 using nouveau drivers Product: xorg Version: unspecified Hardware: x86-64 (AMD64) OS: Linux (All) Status: NEW Severity: normal Priority: medium Component: Driver/nouveau Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Reporter: carlo-KA+7E9HrN00dnm+yROfE0A@public.gmane.org QA Contact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org I'm currently working on an ASUS GL702VMK. This machine is shipping a GeFor= ce GTX 1060 GP106 (136000a1) connected to an internal DisplayPort on DFP-5 (us= ual AU Optronics Corporation). Using the unmodified latest nouveau drivers I have no backlight control. Modifying nouveau_backlight.c adding a case for NV_DEVICE_INFO_V0_PASCAL I finally get /sys/class/backlight/nv_backlight/ but changing the backlight v= alue in there is not working anyway. Trying to manually poke NV50_PDISP_SOR_PWM_CTL(1) with `nvapoke` has no eff= ect whatsoever on the brightness (on or=3D=3D1) Backlight control is not working using the proprietary 375 / 378 drivers either. Also in this case the value of NV50_PDISP_SOR_PWM_CTL is actually changed by `xbacklight` but with no visible effect. Any hint? --=20 You are receiving this mail because: You are the assignee for the bug.= --14907841730.E23a9D3.23992 Date: Wed, 29 Mar 2017 10:42:53 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated
Bug ID 100446
Summary Backlight control not working on Pascal / GP106 using nouveau= drivers
Product xorg
Version unspecified
Hardware x86-64 (AMD64)
OS Linux (All)
Status NEW
Severity normal
Priority medium
Component Driver/nouveau
Assignee nouveau@lists.freedesktop.org
Reporter carlo@caione.org
QA Contact xorg-team@lists.x.org 

I'm currently working on an ASUS GL702VMK. This machine is shi=
pping a GeForce
GTX 1060 GP106 (136000a1) connected to an internal DisplayPort on DFP-5 (us=
ual
AU Optronics Corporation).

Using the unmodified latest nouveau drivers I have no backlight control.
Modifying nouveau_backlight.c adding a case for NV_DEVICE_INFO_V0_PASCAL I
finally get /sys/class/backlight/nv_backlight/ but changing the backlight v=
alue
in there is not working anyway.

Trying to manually poke NV50_PDISP_SOR_PWM_CTL(1) with `nvapoke` has no eff=
ect
whatsoever on the brightness (on or=3D=3D1)

Backlight control is not working using the proprietary 375 / 378 drivers
either. Also in this case the value of NV50_PDISP_SOR_PWM_CTL is actually
changed by `xbacklight` but with no visible effect.

Any hint?

You are receiving this mail because:
  • You are the assignee for the bug.
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