Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 47 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 000000000..bc2fa84f9
--- /dev/null
+++ b/drivers/gpu/drm/i915/i915_priolist_types.h
@@ -0,0 +1,47 @@
+/*
+ * 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,
+
+	/* A preemptive pulse used to monitor the health of each engine */
+	I915_PRIORITY_HEARTBEAT,
+
+	/* Interactive workload, scheduled for immediate pageflipping */
+	I915_PRIORITY_DISPLAY,
+};
+
+/* Smallest priority value that cannot be bumped. */
+#define I915_PRIORITY_INVALID (INT_MIN)
+
+/*
+ * Requests containing performance queries must not be preempted by
+ * another context. They get scheduled with their default priority and
+ * once they reach the execlist ports we ensure that they stick on the
+ * HW until finished by pretending that they have maximum priority,
+ * i.e. nothing can have higher priority and force us to usurp the
+ * active request.
+ */
+#define I915_PRIORITY_UNPREEMPTABLE INT_MAX
+#define I915_PRIORITY_BARRIER (I915_PRIORITY_UNPREEMPTABLE - 1)
+
+struct i915_priolist {
+	struct list_head requests;
+	struct rb_node node;
+	int priority;
+};
+
+#endif /* _I915_PRIOLIST_TYPES_H_ */