2017-05-15 3:03 GMT+03:00 Ben Skeggs <bskeggs@xxxxxxxxxx>: > On 05/15/2017 01:10 AM, Tommi Rantala wrote: >> >> Hi, > > Hey Tommi, > > Thanks for bisecting this. It's rather unexpected that you should be seeing > problems here, but, the commit makes sense for it at least. > > Are you able to get me new kernel logs of both before and after this patch > with "log_buf_len=8M drm.debug=0x14 > nouveau.debug=disp=trace,i2c=trace,bios=trace" please? Hi Ben, Before: https://www.dropbox.com/s/b2namqtqvzv5ppp/trace.4.10.0-tr-10409-g5c68d91?dl=1 After: https://www.dropbox.com/s/9url8qdo15959fy/trace.4.10.0-tr-10410-gdf8dc97?dl=1 -Tommi > Thanks, > Ben. > > >> >> Bisected this to: >> >> commit df8dc97cd17269474344d73cc02739532c468d04 >> Author: Ben Skeggs <bskeggs@xxxxxxxxxx> >> Date: Wed Mar 1 09:42:04 2017 +1000 >> >> drm/nouveau/kms/nv50: use drm core i2c-over-aux algorithm >> >> I'm not entirely sure NVKM needs to support this now, but I haven't >> removed it as of yet just in case it's needed from DEVINIT scripts >> where DRM isn't available. >> >> Signed-off-by: Ben Skeggs <bskeggs@xxxxxxxxxx> >> >> >> dmesg after boot with drm.debug enabled: >> >> v4.10-10409-g5c68d91 (still works): >> http://termbin.com/b0is >> >> v4.10-10410-gdf8dc97 (failure): >> http://termbin.com/j6lq >> >> >> Tommi >> >> >> 2017-05-10 11:24 GMT+03:00 Tommi Rantala <tt.rantala@xxxxxxxxx>: >>> >>> Hi, >>> >>> The HP ZBook 15 G3 laptop builtin display (eDP-1) does not work >>> correctly with v4.11-11413-g2868b25. >>> >>> When booting the laptop, the resolution seems to be limited to >>> 1024x768, and gnome-session segfaults. >>> >>> Up to 4.11 the display works just fine in 1920x1080 mode. >>> >>> I'm seeing this in the kernel logs: >>> >>> nouveau 0000:01:00.0: eDP-1: EDID is invalid: >>> [00] BAD 00 ff ff ff ff ff ff 00 ff ff ff ff ff ff ff ff >>> [00] BAD ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff >>> [00] BAD ff ff ff ff ff ff ff ff ff ff ff ff ff 84 53 54 >>> [00] BAD 66 69 50 55 57 66 74 49 48 ff ff ff ff ff ff ff >>> [00] BAD ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff >>> [00] BAD ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff >>> [00] BAD ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff >>> [00] BAD ff ff ff ff ff ff ff ff ff ff ff 00 00 ff 00 ff >>> nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for eDP-1 >>> [drm] Cannot find any crtc or sizes - going 1024x768 >>> >>> >>> $ lspci | grep NVIDIA >>> 01:00.0 VGA compatible controller: NVIDIA Corporation GM107GLM [Quadro >>> M2000M] (rev a2) >>> >>> Any ideas, or should I bisect? >>> >>> 4.11 dmesg & xrandr output: >>> https://pastebin.com/raw/P9LGP7e1 >>> >>> 4.11-11413-g2868b25 dmesg: >>> https://pastebin.com/raw/QBT9mMua >>> >>> -Tommi _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
