On 2014.12.29 10:06:58 +0800, Zhigang Gong wrote: > When does the kernel do instruction cache invalidate for us? > Could you give a pointer to the related code. >
You may check i915_gem_execbuffer_move_to_gpu() function. > I also tested it and found many utests failures. My kernel version is > as below: > > Linux ivb-gt2-rev4 3.17.1 #1 SMP Fri Oct 24 14:45:46 CST 2014 x86_64 x86_64 > x86_64 GNU/Linux > I tested with drm-intel-nightly tree which seems fine on HSW and BDW. I haven't run it on IVB, might try that later. -- Open Source Technology Center, Intel ltd. $gpg --keyserver wwwkeys.pgp.net --recv-keys 4D781827
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