[Bug 76671] [PNV/ILK Regression]X will be no response when run all piglit cases

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=76671

--- Comment #4 from Chris Wilson <chris at chris-wilson.co.uk> ---
I think:

diff --git a/drivers/gpu/drm/i915/i915_gem_context.c
b/drivers/gpu/drm/i915/i915_gem_context.c
index 021e21223c9c..91000ff1b626 100644
--- a/drivers/gpu/drm/i915/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/i915_gem_context.c
@@ -506,9 +506,6 @@ int i915_gem_context_enable(struct drm_i915_private
*dev_priv)
     struct intel_ring_buffer *ring;
     int ret, i;

-    if (!HAS_HW_CONTEXTS(dev_priv->dev))
-        return 0;
-
     /* This is the only place the aliasing PPGTT gets enabled, which means
      * it has to happen before we bail on reset */
     if (dev_priv->mm.aliasing_ppgtt) {
@@ -833,7 +830,13 @@ int i915_switch_context(struct intel_ring_buffer *ring,

     /* We have the fake context */
     if (!HAS_HW_CONTEXTS(ring->dev)) {
-        ring->last_context = to;
+        if (to != ring->last_context) {
+            if (to)
+                i915_gem_context_reference(to);
+            if (ring->last_context)
+                i915_gem_context_unreference(ring->last_context);
+            ring->last_context = to;
+        }
         return 0;
     }

-- 
You are receiving this mail because:
You are the QA Contact for the bug.
You are on the CC list for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freedesktop.org/archives/intel-gfx-bugs/attachments/20140327/4ab03029/attachment.html>