f97108d1d0
Ironlake (and 965GM, which this patch doesn't support) supports a hardware performance and power management feature that allows it to adjust to changes in GPU load over time with software help. The goal if this is to maximize performance/power for a given workload. This patch enables that feature, which is also a requirement for supporting Intelligent Power Sharing, a feature which allows for dynamic budgeting of power between the CPU and GPU in Arrandale platforms. Tested-by: ykzhao <yakui.zhao@intel.com> [anholt: Resolved against the irq handler loop removal] Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Eric Anholt <eric@anholt.net> |
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