drm/i915/selftests: Unroll the CS frequency loop
Having noticed that MI_BB_START is incurring a memory stall (see the correlation with uncore frequency), we have to unroll the loop in order to diminish the impact of the MI_BB_START on the instruction throughput. Signed-off-by:Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by:
Mika Kuoppala <mika.kuoppala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200421171351.19575-1-chris@chris-wilson.co.uk
parent
bd3ec9e7
Please register or sign in to comment