diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_priolist_types.h')
-rw-r--r-- | drivers/gpu/drm/i915/i915_priolist_types.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_priolist_types.h b/drivers/gpu/drm/i915/i915_priolist_types.h new file mode 100644 index 000000000000..49709de69875 --- /dev/null +++ b/drivers/gpu/drm/i915/i915_priolist_types.h @@ -0,0 +1,41 @@ +/* + * SPDX-License-Identifier: MIT + * + * Copyright © 2018 Intel Corporation + */ + +#ifndef _I915_PRIOLIST_TYPES_H_ +#define _I915_PRIOLIST_TYPES_H_ + +#include <linux/list.h> +#include <linux/rbtree.h> + +#include <uapi/drm/i915_drm.h> + +enum { + I915_PRIORITY_MIN = I915_CONTEXT_MIN_USER_PRIORITY - 1, + I915_PRIORITY_NORMAL = I915_CONTEXT_DEFAULT_PRIORITY, + I915_PRIORITY_MAX = I915_CONTEXT_MAX_USER_PRIORITY + 1, + + I915_PRIORITY_INVALID = INT_MIN +}; + +#define I915_USER_PRIORITY_SHIFT 2 +#define I915_USER_PRIORITY(x) ((x) << I915_USER_PRIORITY_SHIFT) + +#define I915_PRIORITY_COUNT BIT(I915_USER_PRIORITY_SHIFT) +#define I915_PRIORITY_MASK (I915_PRIORITY_COUNT - 1) + +#define I915_PRIORITY_WAIT ((u8)BIT(0)) +#define I915_PRIORITY_NOSEMAPHORE ((u8)BIT(1)) + +#define __NO_PREEMPTION (I915_PRIORITY_WAIT) + +struct i915_priolist { + struct list_head requests[I915_PRIORITY_COUNT]; + struct rb_node node; + unsigned long used; + int priority; +}; + +#endif /* _I915_PRIOLIST_TYPES_H_ */ |