[PATCH 11/13] drm/i915: Store the active context object on all engines upon error

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With execlists, we have context objects everywhere, not just RCS. So
store them for post-mortem debugging.

Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/i915/i915_gpu_error.c | 25 ++++---------------------
 1 file changed, 4 insertions(+), 21 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
index 462262ffec79..abfbd99dae96 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -1034,25 +1034,6 @@ static void error_record_engine_registers(struct drm_i915_error_state *error,
 	}
 }
 
-static void i915_gem_record_active_context(struct intel_engine_cs *engine,
-					   struct drm_i915_error_state *error,
-					   struct drm_i915_error_engine *ee)
-{
-	struct drm_i915_private *dev_priv = engine->i915;
-	struct i915_vma *vma;
-
-	/* Currently render ring is the only HW context user */
-	if (engine->id != RCS || !error->ccid)
-		return;
-
-	list_for_each_entry(vma, &dev_priv->ggtt.base.active_list, vm_link) {
-		if ((error->ccid & PAGE_MASK) == vma->node.start) {
-			ee->ctx = i915_error_object_create(dev_priv, vma);
-			break;
-		}
-	}
-}
-
 static void i915_gem_record_rings(struct drm_i915_private *dev_priv,
 				  struct drm_i915_error_state *error)
 {
@@ -1099,6 +1080,10 @@ static void i915_gem_record_rings(struct drm_i915_private *dev_priv,
 					i915_error_object_create(dev_priv,
 								 engine->scratch);
 
+			ee->ctx =
+				i915_error_object_create(dev_priv,
+							 request->ctx->engine[i].vma);
+
 			pid = request->ctx->pid;
 			if (pid) {
 				struct task_struct *task;
@@ -1129,8 +1114,6 @@ static void i915_gem_record_rings(struct drm_i915_private *dev_priv,
 		ee->wa_ctx =
 			i915_error_object_create(dev_priv, engine->wa_ctx.vma);
 
-		i915_gem_record_active_context(engine, error, ee);
-
 		count = 0;
 		list_for_each_entry(request, &engine->request_list, link)
 			count++;
-- 
2.8.1

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