Merge tag 'v3.10' into drm-intel-fixes

[~andy/linux] / drivers / gpu / drm / i915 / i915_gem.c

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 06d66e09da172c42ce0b878fef26c96e10d908d1..97afd2639fb63a1e240fce2c6f97f53fd9f82e98 100644 (file)
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2251,25 +2251,15 @@ static void i915_gem_reset_ring_lists(struct drm_i915_private *dev_priv,
        }
 }
 
-static void i915_gem_reset_fences(struct drm_device *dev)
+void i915_gem_restore_fences(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
        int i;
 
        for (i = 0; i < dev_priv->num_fence_regs; i++) {
                struct drm_i915_fence_reg *reg = &dev_priv->fence_regs[i];
-
-               if (reg->obj)
-                       i915_gem_object_fence_lost(reg->obj);
-
-               i915_gem_write_fence(dev, i, NULL);
-
-               reg->pin_count = 0;
-               reg->obj = NULL;
-               INIT_LIST_HEAD(&reg->lru_list);
+               i915_gem_write_fence(dev, i, reg->obj);
        }
-
-       INIT_LIST_HEAD(&dev_priv->mm.fence_list);
 }
 
 void i915_gem_reset(struct drm_device *dev)
@@ -2292,8 +2282,7 @@ void i915_gem_reset(struct drm_device *dev)
                obj->base.read_domains &= ~I915_GEM_GPU_DOMAINS;
        }
 
-       /* The fence registers are invalidated so clear them out */
-       i915_gem_reset_fences(dev);
+       i915_gem_restore_fences(dev);
 }
 
 /**
@@ -4003,8 +3992,6 @@ i915_gem_idle(struct drm_device *dev)
        if (!drm_core_check_feature(dev, DRIVER_MODESET))
                i915_gem_evict_everything(dev);
 
-       i915_gem_reset_fences(dev);
-
        /* Hack!  Don't let anybody do execbuf while we don't control the chip.
         * We need to replace this with a semaphore, or something.
         * And not confound mm.suspended!
@@ -4340,7 +4327,8 @@ i915_gem_load(struct drm_device *dev)
                dev_priv->num_fence_regs = 8;
 
        /* Initialize fence registers to zero */
-       i915_gem_reset_fences(dev);
+       INIT_LIST_HEAD(&dev_priv->mm.fence_list);
+       i915_gem_restore_fences(dev);
 
        i915_gem_detect_bit_6_swizzle(dev);
        init_waitqueue_head(&dev_priv->pending_flip_queue);