diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_context.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_context.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c index 39bcc087db96..f5ea3c1351f8 100644 --- a/drivers/gpu/drm/i915/i915_gem_context.c +++ b/drivers/gpu/drm/i915/i915_gem_context.c @@ -303,6 +303,34 @@ static int context_idr_cleanup(int id, void *p, void *data) return 0; } +struct i915_ctx_hang_stats * +i915_gem_context_get_hang_stats(struct intel_ring_buffer *ring, + struct drm_file *file, + u32 id) +{ + struct drm_i915_private *dev_priv = ring->dev->dev_private; + struct drm_i915_file_private *file_priv = file->driver_priv; + struct i915_hw_context *to; + + if (dev_priv->hw_contexts_disabled) + return ERR_PTR(-ENOENT); + + if (ring->id != RCS) + return ERR_PTR(-EINVAL); + + if (file == NULL) + return ERR_PTR(-EINVAL); + + if (id == DEFAULT_CONTEXT_ID) + return &file_priv->hang_stats; + + to = i915_gem_context_get(file->driver_priv, id); + if (to == NULL) + return ERR_PTR(-ENOENT); + + return &to->hang_stats; +} + void i915_gem_context_close(struct drm_device *dev, struct drm_file *file) { struct drm_i915_file_private *file_priv = file->driver_priv; |