3a068721a9
Since the advent of execlists, the HW no longer executes from a single statically assigned ring, but instead switches to a different ring for each context (logical ringbuffer contexts as it is called). So a good way to tally the executing context against what we have queued is by comparing the RING_START register against our requests. Make it so. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180502104150.29874-1-chris@chris-wilson.co.uk |
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