As we seek the guilty one using request ordering and hangcheck
score, these were needed only for debug output.

Signed-off-by: Mika Kuoppala <mika.kuopp...@intel.com>
---
 drivers/gpu/drm/i915/i915_gem.c |   87 ++-------------------------------------
 1 file changed, 3 insertions(+), 84 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 27a97c3..d796c7f 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2241,70 +2241,6 @@ i915_gem_request_remove_from_client(struct 
drm_i915_gem_request *request)
        spin_unlock(&file_priv->mm.lock);
 }
 
-static bool i915_head_inside_object(u32 acthd, struct drm_i915_gem_object *obj,
-                                   struct i915_address_space *vm)
-{
-       if (acthd >= i915_gem_obj_offset(obj, vm) &&
-           acthd < i915_gem_obj_offset(obj, vm) + obj->base.size)
-               return true;
-
-       return false;
-}
-
-static bool i915_head_inside_request(const u32 acthd_unmasked,
-                                    const u32 request_start,
-                                    const u32 request_end)
-{
-       const u32 acthd = acthd_unmasked & HEAD_ADDR;
-
-       if (request_start < request_end) {
-               if (acthd >= request_start && acthd < request_end)
-                       return true;
-       } else if (request_start > request_end) {
-               if (acthd >= request_start || acthd < request_end)
-                       return true;
-       }
-
-       return false;
-}
-
-static struct i915_address_space *
-request_to_vm(struct drm_i915_gem_request *request)
-{
-       struct drm_i915_private *dev_priv = request->ring->dev->dev_private;
-       struct i915_address_space *vm;
-
-       if (request->ctx)
-               vm = request->ctx->vm;
-       else
-               vm = &dev_priv->gtt.base;
-
-       return vm;
-}
-
-static bool i915_request_guilty(struct drm_i915_gem_request *request,
-                               const u32 acthd, bool *inside)
-{
-       /* There is a possibility that unmasked head address
-        * pointing inside the ring, matches the batch_obj address range.
-        * However this is extremely unlikely.
-        */
-       if (request->batch_obj) {
-               if (i915_head_inside_object(acthd, request->batch_obj,
-                                           request_to_vm(request))) {
-                       *inside = true;
-                       return true;
-               }
-       }
-
-       if (i915_head_inside_request(acthd, request->head, request->tail)) {
-               *inside = false;
-               return true;
-       }
-
-       return false;
-}
-
 static bool i915_context_is_banned(const struct i915_ctx_hang_stats *hs)
 {
        const unsigned long elapsed = get_seconds() - hs->guilty_ts;
@@ -2322,25 +2258,9 @@ static bool i915_context_is_banned(const struct 
i915_ctx_hang_stats *hs)
 
 static void i915_set_reset_status(struct intel_ring_buffer *ring,
                                  struct drm_i915_gem_request *request,
-                                 u32 acthd, const bool guilty)
+                                 const bool guilty)
 {
        struct i915_ctx_hang_stats *hs = NULL;
-       bool inside;
-       unsigned long offset = 0;
-
-       if (request->batch_obj)
-               offset = i915_gem_obj_offset(request->batch_obj,
-                                            request_to_vm(request));
-
-       if (guilty &&
-           i915_request_guilty(request, acthd, &inside)) {
-               DRM_DEBUG("%s hung %s bo (0x%lx ctx %d) at 0x%x\n",
-                         ring->name,
-                         inside ? "inside" : "flushing",
-                         offset,
-                         request->ctx ? request->ctx->id : 0,
-                         acthd);
-       }
 
        /* If contexts are disabled or this is the default context, use
         * file_priv->reset_state
@@ -2376,7 +2296,6 @@ static void i915_gem_reset_ring_status(struct 
drm_i915_private *dev_priv,
                                       struct intel_ring_buffer *ring)
 {
        u32 completed_seqno = ring->get_seqno(ring, false);
-       u32 acthd = intel_ring_get_active_head(ring);
        struct drm_i915_gem_request *request;
        bool guilty = false;
 
@@ -2386,9 +2305,9 @@ static void i915_gem_reset_ring_status(struct 
drm_i915_private *dev_priv,
 
                if (!guilty && ring->hangcheck.score >= HANGCHECK_SCORE_GUILTY) 
{
                        guilty = true;
-                       i915_set_reset_status(ring, request, acthd, true);
+                       i915_set_reset_status(ring, request, true);
                } else {
-                       i915_set_reset_status(ring, request, acthd, false);
+                       i915_set_reset_status(ring, request, false);
                }
        }
 }
-- 
1.7.9.5

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