Ring switches can occur many times per frame, and are often out of
control, causing frequent RPS boosting for no practical benefit. Treat
the sw semaphore synchronisation as a separate client and only allow it
to boost once per busy/idle cycle.
Signed-off-by: Chris Wilson
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drivers/gpu/drm/i91
On Tue, Apr 07, 2015 at 04:20:44PM +0100, Chris Wilson wrote:
> Ring switches can occur many times per frame, and are often out of
> control, causing frequent RPS boosting for no practical benefit. Treat
> the sw semaphore synchronisation as a separate client and only allow it
> to boost once per b
