Starting from Gen8 HW supports dynamic power on/off slices. This permits to free power budget and may dramatically affect performance. This patch series suggests an interface (debugfs) to permit user to setup number of active slices. Interface can be used in performance investigations targeting scalability across hw platforms. Dmitry Rogozhkin (2): drm/i915/skl: add slice shutdown debugfs interface drm/i915/bdw: permit make_rpcs execution on BDW to enable slice shutdown drivers/gpu/drm/i915/i915_debugfs.c | 38 +++++++++++++++++++++++++++++++- drivers/gpu/drm/i915/i915_drv.h | 1 + drivers/gpu/drm/i915/intel_device_info.c | 1 + drivers/gpu/drm/i915/intel_lrc.c | 4 ++-- 4 files changed, 41 insertions(+), 3 deletions(-) -- 1.8.3.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx