Hi, 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
