| Summary: | Failed to prepare CRTC for page flipping, disabling TearFree | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Product: | xorg | Reporter: | william | ||||||
| Component: | Driver/intel | Assignee: | Chris Wilson <chris> | ||||||
| Status: | RESOLVED MOVED | QA Contact: | Intel GFX Bugs mailing list <intel-gfx-bugs> | ||||||
| Severity: | normal | ||||||||
| Priority: | medium | CC: | intel-gfx-bugs | ||||||
| Version: | unspecified | ||||||||
| Hardware: | x86-64 (AMD64) | ||||||||
| OS: | Linux (All) | ||||||||
| Whiteboard: | |||||||||
| i915 platform: | SKL | i915 features: | |||||||
| Attachments: |
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Created attachment 122687 [details]
dmesg
I'm also affected by this: Debian Jessie, kernel 3.16, xserver-xorg-video-intel 2:2.99.917+git20160522-1~bpo8+1, Haswell Refresh CPU/IGP, with external display connected through VGA. On my system, tearfree works just fine, but after some time, maybe some suspending actions, it breaks, and I get the error my my Xorg log Failed to prepare CRTC for page flipping, disabling TearFree -- GitLab Migration Automatic Message -- This bug has been migrated to freedesktop.org's GitLab instance and has been closed from further activity. You can subscribe and participate further through the new bug through this link to our GitLab instance: https://gitlab.freedesktop.org/xorg/driver/xf86-video-intel/issues/102. |
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Created attachment 122686 [details] xorg log I can't enable tearfree on skylake. -- system architecture: x86_64 -- kernel version: 4.5.0-040500-generic -- Linux distribution: xubuntu 16.04 -- Machine or mother board model: Supermicro X11SSZ-F -- Display connector: 3 displays: 1 DIV, 2 via displayport MST. One displayport using active adapter to enable use of dual link DVI monitor. Issue occurs without MST hub as well. xorg conf: Section "Extensions" Option "XVideo" "Disable" EndSection Section "Device" Identifier "Intel Graphics" Driver "intel" Option "AccelMethod" "sna" Option "TearFree" "true" Option "DRI" "true" # Option "DRI" "3" # VideoRam 461632 # sometimes (before i updated the bios, it were useful) EndSection xserver-xorg-video-intel 2:2.99.917+git20160325-1ubuntu0.1 TearFree won't take, with xorg log reporting: (EE) intel(0): Failed to prepare CRTC for page flipping, disabling TearFree