diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_request.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_request.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_request.h b/drivers/gpu/drm/i915/i915_request.h index cd6c130964cd..a982664618c2 100644 --- a/drivers/gpu/drm/i915/i915_request.h +++ b/drivers/gpu/drm/i915/i915_request.h @@ -26,6 +26,7 @@ #define I915_REQUEST_H #include <linux/dma-fence.h> +#include <linux/lockdep.h> #include "i915_gem.h" #include "i915_scheduler.h" @@ -121,6 +122,15 @@ struct i915_request { unsigned long rcustate; /* + * We pin the timeline->mutex while constructing the request to + * ensure that no caller accidentally drops it during construction. + * The timeline->mutex must be held to ensure that only this caller + * can use the ring and manipulate the associated timeline during + * construction. + */ + struct pin_cookie cookie; + + /* * Fences for the various phases in the request's lifetime. * * The submit fence is used to await upon all of the request's @@ -133,6 +143,7 @@ struct i915_request { struct i915_sw_dma_fence_cb dmaq; }; struct list_head execute_cb; + struct i915_sw_fence semaphore; /* * A list of everyone we wait upon, and everyone who waits upon us. |