Date: Mon, 23 May 2016 19:44:21 -0700 From: Matthew Macy <mmacy@nextbsd.org> To: =?UTF-8?Q?=22Juan_Ram=C3=B3n_Molina_Menor=22?= <listjm@club.fr> Cc: "<freebsd-x11@freebsd.org>" <freebsd-x11@freebsd.org> Subject: Re: 4.6 DRM/i915 update CFT (Sandy Bridge?)/IvyBridge/Haswell/Broadwell/SkyLake/KabyLake supported Message-ID: <154e0a613e3.c2dcd96e205403.1378358004563504716@nextbsd.org> In-Reply-To: <57437CD8.1080504@club.fr> References: <5742C2E1.2050603@club.fr> <154def0d8ef.117603fe4187917.5862406218647075647@nextbsd.org> <57437CD8.1080504@club.fr>
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Actually. Could you please file a PR and assign it to me. That way I have a list to work on when I do the next update. Thanks. -M ---- On Mon, 23 May 2016 14:57:44 -0700 Juan Ramón Molina Menor <listjm@club.fr> wrote ---- > Le 23/05/2016 20:46, Matthew Macy a écrit : > > > > > > > > ---- On Mon, 23 May 2016 01:44:17 -0700 Juan Ramón Molina Menor <listjm@club.fr> wrote ---- > > > Hi! > > > > > > Your commits overnight have restored and even improved the performance > > > with my Haswell (HD 4400) GPU: Lower CPU usage and snappier resize / > > > full-screen changes. > > > > > > But on the other hand, loading the i915kms module through startx > > > (non-root) panics, I have to use kldload i915kms. > > > > > > Also, changing the power mode (plugging or unplugging the power cord) > > > leads to instant panic, while with the drm-next-3.9 branch, switching > > > AC/battery modifies backlight value up and down without issues. I have > > > replaced the screenshot: > > > > > > https://wiki.freebsd.org/Laptops/ThinkPad_S440?action=AttachFile&do=get&target=panic-DRM-46.jpg > > > > I'll need the backtrace from both panics. Neither of them occurs on my hardware. If you have a problem recovering a core dump try loading drm2 first and then setting dev.drm.skip_ddb=1. That will bypass much of the work that panic tries to do to quiesce the CPU before dumping core. > > > > -M > > > > Thanks for your attention. > > Attached the screenshot resulting from the following: > > # kldload drm2 > # sysctl dev.drm.skip_ddb=1 > # kldload i915kms > [plug / unplug the power cord (the result is exactly the same)] > > panic: IMPLEMENT ME > …then the backtrace: > > https://wiki.freebsd.org/Laptops/ThinkPad_S440?action=AttachFile&do=view&target=panic-DRM-46-AC-battery.jpg > > I have tried setting the same values for > hw.acpi.video.lcd0.{economy,fullpower} but it still panics. > > Sorry for the ACPI noise in the image, that’s another story… > > Hope it helps, > Juan >
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