Date: Tue, 14 Apr 2015 09:33:14 -0700 From: Kevin Oberman <rkoberman@gmail.com> To: Stefan Parvu <sparvu@kronometrix.org> Cc: "freebsd-x11@freebsd.org" <freebsd-x11@freebsd.org> Subject: Re: Xorg dri2 after r277486 on Asus Zenbook Message-ID: <CAN6yY1tZhX4n_7nvUw88fENUFb1etEf5hKK-md%2BnYJ7H8=JpuA@mail.gmail.com> In-Reply-To: <552C428A.3050109@kronometrix.org> References: <20150320230353.767a76948168e08b051842b0@kronometrix.org> <CAEJt7hb_mzhwd4LahNO_OcbCPbJsJKBberEkj2qufLR7azJdcg@mail.gmail.com> <552C428A.3050109@kronometrix.org>
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On Mon, Apr 13, 2015 at 3:26 PM, Stefan Parvu <sparvu@kronometrix.org> wrote: > Hi, > > > You can try: > > * plug in an external monitor > > this worked fine. > > > * ssh into the machine, adjust hw.acpi.video.lcd0.brightness > > this did not work. I was able to ssh and try to adjust the brightness > but it did not make any difference. I had 100 returned for > hw.acpi.video.lcd0.brightness. > > What Im able to see from dmesg: > > "info: [drm] MSI enabled 1 message(s) > info: [drm] Supports vblank timestamp caching Rev 1 (10.10.2010). > info: [drm] Driver supports precise vblank timestamp query. > drmn1: taking over the fictitious range 0xd0000000-0xe0000000 > info: [drm] Enabling RC6 states: RC6 off, RC6p off, RC6pp off > info: [drm] Connector eDP-1: get mode from tunables: > info: [drm] - kern.vt.fb.modes.eDP-1 > info: [drm] - kern.vt.fb.default_mode > info: [drm] Connector VGA-1: get mode from tunables: > info: [drm] - kern.vt.fb.modes.VGA-1 > info: [drm] - kern.vt.fb.default_mode > info: [drm] Connector HDMI-A-1: get mode from tunables: > info: [drm] - kern.vt.fb.modes.HDMI-A-1 > info: [drm] - kern.vt.fb.default_mode > info: [drm] Connector DP-1: get mode from tunables: > info: [drm] - kern.vt.fb.modes.DP-1 > info: [drm] - kern.vt.fb.default_mode > fbd1 on drmn1 > VT: Replacing driver "vga" with new "fb". > info: [drm] Initialized i915 1.6.0 20080730 for drmn1 on minor 1 > error: [drm:pid988:gen6_sanitize_pm] *ERROR* Power management > discrepancy: GEN6_RP_INTERRUPT_LIMITS expected 17000000, was 12000000 > " > > An external TV, Screen works just fine. Internal LCD nope. > I have opened: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=198937 > and attached all my data. > > The last thing to try is to update to latest snapshot and try to revert > all changes for intel_display.c as > https://svnweb.freebsd.org/changeset/base/277959 (thanks to lutz.bichler) > I hate to suggest it, as it fixed brightness setting on my laptop, but the (fairly) recent update to /sys/dev/drm2/i915/intel_opregion.c might involved in this. I hope not as I finally convinced the author to MFC the fix. -- Kevin Oberman, Network Engineer, Retired E-mail: rkoberman@gmail.com
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