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: Chris Wilson <[email protected]> --- drivers/gpu/drm/i915/i915_gem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 4ed782f..408578b 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1063,7 +1063,7 @@ static int __wait_seqno(struct intel_ring_buffer *ring, u32 seqno, mod_timer(&timer, expire); } - schedule(); + io_schedule(); if (timeout) timeout_jiffies = expire - jiffies; -- 1.8.4.rc3 _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
