1 files changed, 48 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/dal/display_service/ds_calculation.h b/drivers/gpu/drm/amd/dal/display_service/ds_calculation.h
new file mode 100644
index 000000000000..5d3b4845ee69
--- /dev/null
+++ b/drivers/gpu/drm/amd/dal/display_service/ds_calculation.h
@@ -0,0 +1,48 @@
+/*
+ * Copyright 2012-15 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DAL_DS_CALCULATION_H__
+#define __DAL_DS_CALCULATION_H__
+
+/* Includes */
+/* None */
+
+struct hw_crtc_timing;
+struct timing_limits;
+struct ranged_timing_preference_flags;
+struct display_path;
+
+/* Adjust timing to the timing limits. */
+void dal_ds_calculation_tuneup_timing(
+		struct hw_crtc_timing *timing,
+		const struct timing_limits *timing_limits);
+
+/* Setup ranged timing parameters for features such as DRR or PSR. */
+void dal_ds_calculation_setup_ranged_timing(
+		struct hw_crtc_timing *timing,
+		struct display_path *display_path,
+		struct ranged_timing_preference_flags flags);
+
+#endif /* __DAL_DS_CALCULATION_H__ */