https://bugs.freedesktop.org/show_bug.cgi?id=31572
fangxun xunx.fang@intel.com changed:
What |Removed |Added ---------------------------------------------------------------------------- Summary|[piketon] urbanterror |[bisected piketon] |performance regression |urbanterror performance | |regression Product|Mesa |DRI Component|Drivers/DRI/i965 |libdrm AssignedTo|eric@anholt.net |dri-devel@lists.freedesktop | |.org
--- Comment #1 from fangxun xunx.fang@intel.com 2010-11-16 01:33:24 PST --- Sorry, bisect shows it's Libdrm caused this issue. 877b2ce15b80975b4dac42657bdfb0a3da833e1c is first bad commit. commit 877b2ce15b80975b4dac42657bdfb0a3da833e1c 49447a9b957047db2549b8a929e763bbd87808ba Author: Eric Anholt eric@anholt.net Date: Tue Nov 9 13:51:45 2010 -0800
intel: Fix drm_intel_gem_bo_wait_rendering to wait for read-only usage too.
Both the consumers of this API (sync objects and client throttling) were expecting this behavior. The kernel used to actually behave the desired (but incorrect) way for us anyway, but that got fixed a while back.