Started a few weeks ago to get this with my HSW 4200U laptop. Dunno the exact date, but I've been using drm-intel-nightly all the time, so presumably since PSR was default enabled.
/sys/kernel/debug/dri/0/i915_edp_psr_status Sink_Support: yes Source_OK: yes Enabled: yes Active: yes Busy frontbuffer bits: 0x000 Re-enable work scheduled: no Main link in standby mode: no HW Enabled & Active bit: yes Performance_Counter: 50578 /sys/kernel/debug/dri/0/i915_fbc_status FBC disabled: FBC enabled (active or scheduled) Compressing: yes /sys/kernel/debug/dri/0/i915_ips_status Enabled by kernel parameter: yes Currently: enabled I've tried with the v6 "Disable fast link training if DP config changes" patchset applied, no apparent change. -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/1522922 Title: Screen flickering in Intel i915 driver To manage notifications about this bug go to: https://bugs.launchpad.net/nouveau/+bug/1522922/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
