Date: Sat, 21 Mar 2009 20:57:19 -0700 From: Steve Kargl <sgk@troutmask.apl.washington.edu> To: Robert Noland <rnoland@FreeBSD.org> Cc: freebsd-current@FreeBSD.org Subject: Re: drm on i965GM is very sluggish Message-ID: <20090322035719.GA49263@troutmask.apl.washington.edu> In-Reply-To: <1237693139.1756.22.camel@balrog.2hip.net> References: <20090322021852.GA48543@troutmask.apl.washington.edu> <1237688696.1756.3.camel@balrog.2hip.net> <20090322022846.GA48644@troutmask.apl.washington.edu> <1237689169.1756.5.camel@balrog.2hip.net> <20090322024755.GA48794@troutmask.apl.washington.edu> <1237691360.1756.13.camel@balrog.2hip.net> <20090322032707.GA49072@troutmask.apl.washington.edu> <1237693139.1756.22.camel@balrog.2hip.net>
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On Sat, Mar 21, 2009 at 10:38:59PM -0500, Robert Noland wrote: > On Sat, 2009-03-21 at 20:27 -0700, Steve Kargl wrote: > > On Sat, Mar 21, 2009 at 10:09:20PM -0500, Robert Noland wrote: > > > On Sat, 2009-03-21 at 19:47 -0700, Steve Kargl wrote: > > > > > > > > I also just noticed that dmesg had > > > > > > > > drm0: <Intel i965GM> on vgapci0 > > > > info: [drm] MSI enabled 1 message(s) > > > > > > > > Is it possible to disable MSI and still run drm? > > > > > > Yes, There is a tuneable hw.drm.msi > > > > > > I did do all of the msi development on a 965gm. Unfortunately, I no > > > longer have access to that hardware. > > > > > > Do you have witness enabled? > > > > > > > Yes. And invariants. > > Ok, and it isn't screaming that I did something bad? Mostly this is > just a sync to what Intel is shipping... I did replace my irq handler > with anholt's, but they were pretty close. > Neither witness nor invariant appear unhappy. The only think I see in /var/log/messages is Mar 21 19:30:33 REMOVE kernel: error: [drm:pid22190:i915_get_vblank_counter] *ERROR* trying to get vblank count for disabled pipe 0 IIRC, you said this can be ignored. I'll try disabling MSI later tonight. -- Steve
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