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5a7dc92a0b
Most of the RPS and RC6 enabling functionality is similar to what we had on Gen6/Gen7, so we preserve most of the registers. Note that Haswell only has RC6, so account for that as well. As suggested by Daniel Vetter, to reduce the amount of changes in the patch, we still write the RC6p/RC6pp thresholds, but those are ignored on Haswell. Note: Some discussion about the nature of the new tuning constants popped up in review - the answer is that we don't know why they've changed, but the guide from VPG with the magic numbers simply has different values now. v2: Squash fix for ?: vs | operation precende bug into this patch. Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com> Reviewed-by: Ben Widawsky <ben@bwidawsk.net> [danvet: Added note to commit message. Squashed fix.] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> |
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