In bug 1208636 we added a pref to increase the displayport size on high-memory systems when panning fast. However it seems to cause some jank (see bug 1193969 comment 10, bug 1229929) and bad behaviour, so I think we should disable it for now. Once we have the checkerboarding metrics in place (bug 1226826) and can effectively see how much this helps, we can consider re-enabling it. (Note that this isn't a backout, it'll keep the code, just set the prefs default to zero).
Created attachment 8696721 [details] [diff] [review] Patch I also fixed alphabetization in gfxPrefs.h
Attachment #8696721 - Flags: review?(mchang)
Attachment #8696721 - Flags: review?(mchang) → review+
Status: NEW → RESOLVED
Last Resolved: 3 years ago
status-firefox45: --- → fixed
Resolution: --- → FIXED
Target Milestone: --- → mozilla45
No longer blocks: 1229929
Duplicate of this bug: 1229929
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