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Commit 5035c275 authored by Chris Wilson's avatar Chris Wilson Committed by Daniel Vetter
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drm/i915: Call io_schedule() whilst whilsting for the GPU 



Since we are waiting upon IO completion, inform the kernel through use
of the io_schedule() call rather than the regular schedule(). This
should allow the kernel to make better decisions regarding scheduling
and power management.

Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent 967ad7f1

drivers/gpu/drm/i915/i915_gem.c

+1 −1
Original line number Diff line number Diff line
@@ -1082,7 +1082,7 @@ static int __wait_seqno(struct intel_ring_buffer *ring, u32 seqno, 
			mod_timer(&timer, expire);

		}



		schedule();

		io_schedule();



		if (timeout)

			timeout_jiffies = expire - jiffies;