drm/i915: Refine tracepoints

A lot of minor tweaks to fix the tracepoints, improve the outputting for
ftrace, and to generally make the tracepoints useful again. It is a start
and enough to begin identifying performance issues and gaps in our
coverage.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

1 files changed, 3 insertions, 18 deletions

diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 235d9c4b40ae..ec7175e0dcd8 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -62,18 +62,9 @@ render_ring_flush(struct intel_ring_buffer *ring,
 		  u32	flush_domains)
 {
 	struct drm_device *dev = ring->dev;
-	drm_i915_private_t *dev_priv = dev->dev_private;
 	u32 cmd;
 	int ret;
 
-#if WATCH_EXEC
-	DRM_INFO("%s: invalidate %08x flush %08x\n", __func__,
-		  invalidate_domains, flush_domains);
-#endif
-
-	trace_i915_gem_request_flush(dev, dev_priv->next_seqno,
-				     invalidate_domains, flush_domains);
-
 	if ((invalidate_domains | flush_domains) & I915_GEM_GPU_DOMAINS) {
 		/*
 		 * read/write caches:
@@ -122,9 +113,6 @@ render_ring_flush(struct intel_ring_buffer *ring,
 		    (IS_G4X(dev) || IS_GEN5(dev)))
 			cmd |= MI_INVALIDATE_ISP;
 
-#if WATCH_EXEC
-		DRM_INFO("%s: queue flush %08x to ring\n", __func__, cmd);
-#endif
 		ret = intel_ring_begin(ring, 2);
 		if (ret)
 			return ret;
@@ -714,11 +702,8 @@ render_ring_dispatch_execbuffer(struct intel_ring_buffer *ring,
 				u32 offset, u32 len)
 {
 	struct drm_device *dev = ring->dev;
-	drm_i915_private_t *dev_priv = dev->dev_private;
 	int ret;
 
-	trace_i915_gem_request_submit(dev, dev_priv->next_seqno + 1);
-
 	if (IS_I830(dev) || IS_845G(dev)) {
 		ret = intel_ring_begin(ring, 4);
 		if (ret)
@@ -953,13 +938,13 @@ int intel_wait_ring_buffer(struct intel_ring_buffer *ring, int n)
 			return 0;
 	}
 
-	trace_i915_ring_wait_begin (dev);
+	trace_i915_ring_wait_begin(ring);
 	end = jiffies + 3 * HZ;
 	do {
 		ring->head = I915_READ_HEAD(ring);
 		ring->space = ring_space(ring);
 		if (ring->space >= n) {
-			trace_i915_ring_wait_end(dev);
+			trace_i915_ring_wait_end(ring);
 			return 0;
 		}
 
@@ -973,7 +958,7 @@ int intel_wait_ring_buffer(struct intel_ring_buffer *ring, int n)
 		if (atomic_read(&dev_priv->mm.wedged))
 			return -EAGAIN;
 	} while (!time_after(jiffies, end));
-	trace_i915_ring_wait_end (dev);
+	trace_i915_ring_wait_end(ring);
 	return -EBUSY;
 }