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Groups > linux.kernel > #1486790
| From | James Bottomley <James.Bottomley@HansenPartnership.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [Intel-gfx] Skylake graphics regression: projector failure with 4.8-rc3 |
| Date | 2016-09-19 21:30 +0200 |
| Message-ID | <sjcqm-149-45@gated-at.bofh.it> (permalink) |
| References | (2 earlier) <sclyp-7Kc-19@gated-at.bofh.it> <sclI6-7NG-35@gated-at.bofh.it> <scmb8-8fs-17@gated-at.bofh.it> <siIBY-7x4-15@gated-at.bofh.it> <sj8mJ-71A-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Mon, 2016-09-19 at 08:09 -0700, James Bottomley wrote: > On Sun, 2016-09-18 at 13:35 +0200, Thorsten Leemhuis wrote: > > Hi! James & Paulo: What's the current status of this? > > No, the only interaction has been the suggestion below for a revert, > which didn't fix the problem. > > > Was this issue discussed elsewhere or even fixed in between? Just > > asking, because this issue is on the list of regressions for 4.8. > > > I'm just about to try out -rc7, but it's not fixed so far. OK, with -rc7 and the i915 fixes, there seems to be a marked improvement. I can no longer crash the crtc by using lots of xrandr switches, which was the principal problem. I've so far only got one of these in the logs [14858.635035] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe B FIFO underrun And the only residual problem seems to be that the monitor goes blank periodically, but this can be fixed by switching resolution a couple of times. I haven't seen any of the link training errors so far and I've run through my usual battery of be nasty to the external monitor tests. James
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Re: [Intel-gfx] Skylake graphics regression: projector failure with 4.8-rc3 Thorsten Leemhuis <regressions@leemhuis.info> - 2016-09-18 13:40 +0200
Re: [Intel-gfx] Skylake graphics regression: projector failure with 4.8-rc3 James Bottomley <James.Bottomley@HansenPartnership.com> - 2016-09-19 17:10 +0200
Re: [Intel-gfx] Skylake graphics regression: projector failure with 4.8-rc3 James Bottomley <James.Bottomley@HansenPartnership.com> - 2016-09-19 21:30 +0200
Re: [Intel-gfx] Skylake graphics regression: projector failure with 4.8-rc3 Jani Nikula <jani.nikula@linux.intel.com> - 2016-09-20 10:20 +0200
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