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When we idle, we set the GPU frequency to the hardware minimum (not user minimum). We introduce a new variable to distinguish between the different roles, and to allow easy tuning of the idle frequency without impacting over aspects of RPS. Setting the minimum frequency should be a safety blanket as the pcu on the GPU should be power gating itself anyway. However, in order for us to do set the absolute minimum frequency, we need to relax a few of our assertions that we do not exceed the user limits. v2: Add idle_freq v3: Init idle_freq for vlv and add a bunch of WARNs Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Deepak S <deepak.s@linux.intel.com> Reviewed-by: Deepak S<deepak.s@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> |
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