[PATCH 3.15 047/122] drm/i95: Initialize active ring->pid to -1

[Greg Kroah-Hartman]

3.15-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>

commit eee73b46261325eb140d899b5371f49b02d88f63 upstream.

Otherwise we print out spurious processes on unused rings in the error
state.

Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 drivers/gpu/drm/i915/i915_gpu_error.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -894,6 +894,8 @@ static void i915_gem_record_rings(struct
 	for (i = 0; i < I915_NUM_RINGS; i++) {
 		struct intel_ring_buffer *ring = &dev_priv->ring[i];
 
+		error->ring[i].pid = -1;
+
 		if (ring->dev == NULL)
 			continue;
 
@@ -901,7 +903,6 @@ static void i915_gem_record_rings(struct
 
 		i915_record_ring_state(dev, ring, &error->ring[i]);
 
-		error->ring[i].pid = -1;
 		request = i915_gem_find_active_request(ring);
 		if (request) {
 			/* We need to copy these to an anonymous buffer


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