Re: drm2 regression: backlight adjustment on ivybridge no longer works

2015-02-02 Thread Lars Engels
On Sun, Feb 01, 2015 at 11:23:47AM +0100, Lars Engels wrote: On 1. Februar 2015 11:20:26 MEZ, Alexandr Krivulya shur...@shurik.kiev.ua wrote: 01.02.2015 12:12, Lars Engels пишет: On Sun, Feb 01, 2015 at 10:41:25AM +0100, Lars Engels wrote: On Sun, Feb 01, 2015 at 03:35:15AM -0600, Andrew

Re: drm2 regression: backlight adjustment on ivybridge no longer works

2015-02-01 Thread Alexandr Krivulya
01.02.2015 12:12, Lars Engels пишет: On Sun, Feb 01, 2015 at 10:41:25AM +0100, Lars Engels wrote: On Sun, Feb 01, 2015 at 03:35:15AM -0600, Andrew Wilcox wrote: Lars Engels sent: 01 February 2015 03:18: With acpi_video I get some interesting sysctl: hw.acpi.video.lcd0.levels: 100 100 0 1 2 3

Re: drm2 regression: backlight adjustment on ivybridge no longer works

2015-02-01 Thread Lars Engels
On Sun, Feb 01, 2015 at 10:41:25AM +0100, Lars Engels wrote: On Sun, Feb 01, 2015 at 03:35:15AM -0600, Andrew Wilcox wrote: Lars Engels sent: 01 February 2015 03:18: With acpi_video I get some interesting sysctl: hw.acpi.video.lcd0.levels: 100 100 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Re: drm2 regression: backlight adjustment on ivybridge no longer works

2015-02-01 Thread Lars Engels
On 1. Februar 2015 11:20:26 MEZ, Alexandr Krivulya shur...@shurik.kiev.ua wrote: 01.02.2015 12:12, Lars Engels пишет: On Sun, Feb 01, 2015 at 10:41:25AM +0100, Lars Engels wrote: On Sun, Feb 01, 2015 at 03:35:15AM -0600, Andrew Wilcox wrote: Lars Engels sent: 01 February 2015 03:18: With

Re: drm2 regression: backlight adjustment on ivybridge no longer works

2015-02-01 Thread Lars Engels
On Sat, Jan 31, 2015 at 07:11:23AM +, Miguel Clara wrote: On the laptop I'm running current, if relevant Loading acpi_video doesn't do much I don't see any sysctl related to lcd0 or birightness, this is one of those computers with hybrid graphics, intel + ATI card, so not sure if

Re: drm2 regression: backlight adjustment on ivybridge no longer works

2015-02-01 Thread Lars Engels
On Sun, Feb 01, 2015 at 03:35:15AM -0600, Andrew Wilcox wrote: Lars Engels sent: 01 February 2015 03:18: With acpi_video I get some interesting sysctl: hw.acpi.video.lcd0.levels: 100 100 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37

RE: drm2 regression: backlight adjustment on ivybridge no longer works

2015-02-01 Thread Andrew Wilcox
Lars Engels sent: 01 February 2015 03:18: With acpi_video I get some interesting sysctl: hw.acpi.video.lcd0.levels: 100 100 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59

Re: drm2 regression: backlight adjustment on ivybridge no longer works

2015-01-31 Thread Miguel Clara
I had to patch manually, for some reason the diff was rejected, but I t compiled and I've instead on 10/stable... problem is this is the laptop where I am typing this :D Its also upgrading some ports, so not a good time to reboot, but I'll post results in the other thread, as for the HP, works

Re: drm2 regression: backlight adjustment on ivybridge no longer works

2015-01-31 Thread Elizabeth Myers
On 01/31/15 02:00, Miguel Clara wrote: I had to patch manually, for some reason the diff was rejected, but I t compiled and I've instead on 10/stable... problem is this is the laptop where I am typing this :D Its also upgrading some ports, so not a good time to reboot, but I'll post results

Re: drm2 regression: backlight adjustment on ivybridge no longer works

2015-01-30 Thread Miguel Clara
I saw the discussion about how to approach the issue, but totally missed the patch :D Thanks, I'll try that... I'm assuming it will make no difference on 10/stable yet? only current? On Sat, Jan 31, 2015 at 7:22 AM, Elizabeth Myers elizab...@interlinked.me wrote: On 01/31/15 01:11, Miguel

Re: drm2 regression: backlight adjustment on ivybridge no longer works

2015-01-30 Thread Miguel Clara
On the laptop I'm running current, if relevant Loading acpi_video doesn't do much I don't see any sysctl related to lcd0 or birightness, this is one of those computers with hybrid graphics, intel + ATI card, so not sure if that's somewhat related. Anyway, I've just tested the drm patches

Re: drm2 regression: backlight adjustment on ivybridge no longer works

2015-01-30 Thread Elizabeth Myers
On 01/31/15 01:11, Miguel Clara wrote: On the laptop I'm running current, if relevant Loading acpi_video doesn't do much I don't see any sysctl related to lcd0 or birightness, this is one of those computers with hybrid graphics, intel + ATI card, so not sure if that's somewhat related.

Re: drm2 regression: backlight adjustment on ivybridge no longer works

2015-01-30 Thread Elizabeth Myers
On 01/31/15 01:28, Miguel Clara wrote: I saw the discussion about how to approach the issue, but totally missed the patch :D Thanks, I'll try that... I'm assuming it will make no difference on 10/stable yet? only current? Excellent question! I have absolutely no idea. I don't even think it

Re: drm2 regression: backlight adjustment on ivybridge no longer works

2015-01-29 Thread Ranjan1018 .
2015-01-28 10:11 GMT+01:00 Adrian Chadd adr...@freebsd.org: ugh, so because i can't sleep, I read the Linux i915 history for backlight changes. Turns out if I disable bit 30 in ivb_pch_pwm_override() to register BLC_PWM_PCH_CTL1, the acpi video setting works. The keyboard settings still

Re: drm2 regression: backlight adjustment on ivybridge no longer works

2015-01-29 Thread Alexandr Krivulya
29.01.2015 12:46, Ranjan1018 . пишет: 2015-01-28 10:11 GMT+01:00 Adrian Chadd adr...@freebsd.org: ugh, so because i can't sleep, I read the Linux i915 history for backlight changes. Turns out if I disable bit 30 in ivb_pch_pwm_override() to register BLC_PWM_PCH_CTL1, the acpi video setting

Re: drm2 regression: backlight adjustment on ivybridge no longer works

2015-01-28 Thread Adrian Chadd
ugh, so because i can't sleep, I read the Linux i915 history for backlight changes. Turns out if I disable bit 30 in ivb_pch_pwm_override() to register BLC_PWM_PCH_CTL1, the acpi video setting works. The keyboard settings still don't, but I'll worry about that later. Bit 30 in the linux drm code

Re: drm2 regression: backlight adjustment on ivybridge no longer works

2015-01-28 Thread Adrian Chadd
Hi! Good catch! But nope, didn't fix it. -adrian On 27 January 2015 at 23:23, Andrew Wilcox awil...@wilcox-tech.com wrote: Ranjan1018 . sent: 27 January 2015 23:42: The regression was introduced in r277487. Looking closer at this revision, I believe I may see the issue. Most of the

Re: drm2 regression: backlight adjustment on ivybridge no longer works

2015-01-28 Thread Adrian Chadd
and the commit from linux: commit 7aa1e7f06d6ea1bce3b27630d50769d13da28b1a Author: Daniel Vetter daniel.vet...@ffwll.ch Date: Wed Jun 27 16:43:36 2012 +0200 Revert drm/i915: allow PCH PWM override on IVB This reverts commit f82cfb6bcda164ef3a66b8c3fc549b1f9bdd09ad. This breaks

RE: drm2 regression: backlight adjustment on ivybridge no longer works

2015-01-27 Thread Andrew Wilcox
Ranjan1018 . sent: 27 January 2015 23:42: The regression was introduced in r277487. Looking closer at this revision, I believe I may see the issue. Most of the new tunables introduced in dev/drm2/i915/i915_drv.c are uninitialised and thus probably contain junk. It likely works for me because

RE: drm2 regression: backlight adjustment on ivybridge no longer works

2015-01-27 Thread Andrew Wilcox
Ranjan1018 . sent: 27 January 2015 23:42: my Samsung laptop has an Intel IvyBridge: [snip] The regression was introduced in r277487. The backlight adjustment works in FreeBSD 11.0-CURRENT r277395, r277486 but not in r277487, r277534 and r277639. Hrm. That is interesting. A few questions I

Re: drm2 regression: backlight adjustment on ivybridge no longer works

2015-01-27 Thread Ranjan1018 .
2015-01-27 7:38 GMT+01:00 Andrew Wilcox awil...@wilcox-tech.com: Ranjan1018 . sent: 26 January 2015 06:19: 2015-01-24 23:25 GMT+01:00 Adrian Chadd adr...@freebsd.org: The backlight adjustment doesn't work on my ivybridge mobile laptop (Lenovo X230) after the dri update. I have the

Re: drm2 regression: backlight adjustment on ivybridge no longer works

2015-01-26 Thread Ranjan1018 .
2015-01-24 23:25 GMT+01:00 Adrian Chadd adr...@freebsd.org: Hi, I've just found a regression. The backlight adjustment doesn't work on my ivybridge mobile laptop (Lenovo X230) after the dri update. I've added debugging. It's making it all the way to the pch backlight panel update routine

RE: drm2 regression: backlight adjustment on ivybridge no longer works

2015-01-26 Thread Andrew Wilcox
Ranjan1018 . sent: 26 January 2015 06:19: 2015-01-24 23:25 GMT+01:00 Adrian Chadd adr...@freebsd.org: The backlight adjustment doesn't work on my ivybridge mobile laptop (Lenovo X230) after the dri update. I have the same issue on my Samsung Ativ 2 laptop. I have a Sandy Bridge laptop