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authorDamien Lespiau <damien.lespiau@intel.com>2015-02-14 21:30:29 +0300
committerDaniel Vetter <daniel.vetter@ffwll.ch>2015-02-24 02:07:05 +0300
commitb76687910693b1f6c32a3251a8291d67363bba34 (patch)
tree6452da876111dc6dbd93be1913ec0df3186e3f5b /tools/perf/scripts/python/call-graph-from-sql.py
parentcb0a08c1ed7daa16d13876e3e1b8787d95b25b0e (diff)
downloadlinux-b76687910693b1f6c32a3251a8291d67363bba34.tar.xz
drm/i915/skl: Tune IZ hashing when subslices are unbalanced
When one EU is disabled in a particular subslice, we can tune how the work is spread between subslices to improve EU utilization. v2: - Use a bitfield to record which subslice(s) has(have) 7 EUs. That will also make the machinery work if several sublices have 7 EUs. (Jeff Mcgee) - Only apply the different hashing algorithm if the slice is effectively unbalanced by checking there's a single subslice with 7 EUs. (Jeff Mcgee) v3: Fix typo in comment (Jeff Mcgee) Issue: VIZ-3845 Cc: Jeff Mcgee <jeff.mcgee@intel.com> Reviewed-by: Jeff Mcgee <jeff.mcgee@intel.com> Signed-off-by: Damien Lespiau <damien.lespiau@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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