The patch series enable RC6 on Ironlake platform. With those patch, we got about 1W idle power save on Ironlake laptops.
We did performance regession tests on those patches, no regression found. Thanks Zhao Yakui to debug and resolve the RC6 issues. Zou Nan hai (3): drm/i915 save power context on ironlake drm/i915 save render context on Ironlake drm/i915 invalidate indirect state pointers at end of ring exec drivers/gpu/drm/i915/i915_dma.c | 7 ++++ drivers/gpu/drm/i915/i915_drv.h | 1 + drivers/gpu/drm/i915/i915_reg.h | 14 +++++++- drivers/gpu/drm/i915/intel_display.c | 56 +++++++++++++++++++++++++------ drivers/gpu/drm/i915/intel_ringbuffer.c | 9 +++++ 5 files changed, 75 insertions(+), 12 deletions(-) _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx
