[PATCH 1/4] drm/i915: Use i915_hw_context to set reset stats

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With full ppgtt support drm_i915_file_private gained knowledge
about the default context. Also reset stats are now inside
i915_hw_context so we can use proper abstraction.

Suggested-by: Ben Widawsky <ben@xxxxxxxxxxxx>
Signed-off-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxx>
---
 drivers/gpu/drm/i915/i915_gem.c |   44 ++++++++++++++++++++-------------------
 1 file changed, 23 insertions(+), 21 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 39770f7..e41d520 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2305,11 +2305,17 @@ static bool i915_request_guilty(struct drm_i915_gem_request *request,
 	return false;
 }
 
-static bool i915_context_is_banned(const struct i915_ctx_hang_stats *hs)
+static bool i915_context_is_banned(const struct i915_hw_context *ctx)
 {
-	const unsigned long elapsed = get_seconds() - hs->guilty_ts;
+	struct drm_i915_private *dev_priv;
+	unsigned long elapsed;
 
-	if (hs->banned)
+	BUG_ON(!ctx->last_ring);
+
+	dev_priv = ctx->last_ring->dev->dev_private;
+	elapsed = get_seconds() - ctx->hang_stats.guilty_ts;
+
+	if (ctx->hang_stats.banned)
 		return true;
 
 	if (elapsed <= DRM_I915_CTX_BAN_PERIOD) {
@@ -2324,9 +2330,10 @@ static void i915_set_reset_status(struct intel_ring_buffer *ring,
 				  struct drm_i915_gem_request *request,
 				  u32 acthd)
 {
-	struct i915_ctx_hang_stats *hs = NULL;
 	bool inside, guilty;
 	unsigned long offset = 0;
+	struct i915_hw_context *ctx = request->ctx;
+	struct i915_ctx_hang_stats *hs;
 
 	/* Innocent until proven guilty */
 	guilty = false;
@@ -2341,28 +2348,23 @@ static void i915_set_reset_status(struct intel_ring_buffer *ring,
 			  ring->name,
 			  inside ? "inside" : "flushing",
 			  offset,
-			  request->ctx ? request->ctx->id : 0,
+			  ctx ? ctx->id : 0,
 			  acthd);
 
 		guilty = true;
 	}
 
-	/* If contexts are disabled or this is the default context, use
-	 * file_priv->reset_state
-	 */
-	if (request->ctx && request->ctx->id != DEFAULT_CONTEXT_ID)
-		hs = &request->ctx->hang_stats;
-	else if (request->file_priv)
-		hs = &request->file_priv->private_default_ctx->hang_stats;
-
-	if (hs) {
-		if (guilty) {
-			hs->banned = i915_context_is_banned(hs);
-			hs->batch_active++;
-			hs->guilty_ts = get_seconds();
-		} else {
-			hs->batch_pending++;
-		}
+	if (WARN_ON(!ctx))
+		return;
+
+	hs = &ctx->hang_stats;
+
+	if (guilty) {
+		hs->banned = i915_context_is_banned(ctx);
+		hs->batch_active++;
+		hs->guilty_ts = get_seconds();
+	} else {
+		hs->batch_pending++;
 	}
 }
 
-- 
1.7.9.5

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