drm/i915/gt: Trace RPS events
Add tracek to the RPS events (interrupts, worker, enabling, threshold selection, frequency setting), so that if we have to debug reticent HW we have some traces to start from. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Andi Shyti <andi.shyti@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200424162805.25920-1-chris@chris-wilson.co.uk
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