enable_psr=2 still flickers with 4.4.0-16. unable to try latest 4.4.0-17 as X doesn't start with it.
dmesg|grep i915 [ 0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-4.4.0-16-generic i915.enable_psr=2 i915_bpo.enable_psr=2 root=UUID=432cb01b-c9c7-4cb0-8129-5c0abadbf9f8 ro quiet splash vt.handoff=7 [ 0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-4.4.0-16-generic i915.enable_psr=2 i915_bpo.enable_psr=2 root=UUID=432cb01b-c9c7-4cb0-8129-5c0abadbf9f8 ro quiet splash vt.handoff=7 [ 1.540320] [drm] Finished loading i915/skl_dmc_ver1.bin (v1.26) [ 1.566144] [drm] Initialized i915_bpo 1.6.0 20160214 for 0000:00:02.0 on minor 0 [ 1.820091] i915_bpo 0000:00:02.0: fb0: inteldrmfb frame buffer device [ 3.962877] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops [i915_bpo]) [ 191.798099] [drm:intel_cpu_fifo_underrun_irq_handler [i915_bpo]] *ERROR* CPU pipe A FIFO underrun -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1554613 Title: screen flickering on XPS13 9350 To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1554613/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
