[Intel-gfx] [PATCH] drm/i95: Initialize active ring->pid to -1

Chris Wilson chris at chris-wilson.co.uk
Tue Jun 10 13:09:29 CEST 2014


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

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Cc: stable at vger.kernel.org
---
 drivers/gpu/drm/i915/i915_gpu_error.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
index 87ec60e181a7..66cf41765bf9 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -888,6 +888,8 @@ static void i915_gem_record_rings(struct drm_device *dev,
 	for (i = 0; i < I915_NUM_RINGS; i++) {
 		struct intel_engine_cs *ring = &dev_priv->ring[i];
 
+		error->ring[i].pid = -1;
+
 		if (ring->dev == NULL)
 			continue;
 
@@ -895,7 +897,6 @@ static void i915_gem_record_rings(struct drm_device *dev,
 
 		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
-- 
2.0.0




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