drm/i915: Add helpers for managing rps thresholds
In preparation for exposing via sysfs add helpers for managing rps thresholds. v2: * Force sw and hw re-programming on threshold change. Signed-off-by:Tvrtko Ursulin <tvrtko.ursulin@intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@kernel.org> Reviewed-by:
Rodrigo Vivi <rodrigo.vivi@intel.com> Reviewed-by:
Andi Shyti <andi.shyti@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230717164013.826614-3-tvrtko.ursulin@linux.intel.com
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c1886222
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