1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/inc/dcn_calc_math.h b/drivers/gpu/drm/amd/display/dc/inc/dcn_calc_math.h
new file mode 100644
index 000000000000..45a07eeffbb6
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/inc/dcn_calc_math.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2017 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 _DCN_CALC_MATH_H_
+#define _DCN_CALC_MATH_H_
+
+float dcn_bw_mod(const float arg1, const float arg2);
+float dcn_bw_min2(const float arg1, const float arg2);
+unsigned int dcn_bw_max(const unsigned int arg1, const unsigned int arg2);
+float dcn_bw_max2(const float arg1, const float arg2);
+float dcn_bw_floor2(const float arg, const float significance);
+float dcn_bw_floor(const float arg);
+float dcn_bw_ceil2(const float arg, const float significance);
+float dcn_bw_ceil(const float arg);
+float dcn_bw_max3(float v1, float v2, float v3);
+float dcn_bw_max5(float v1, float v2, float v3, float v4, float v5);
+float dcn_bw_pow(float a, float exp);
+float dcn_bw_log(float a, float b);
+double dcn_bw_fabs(double a);
+
+#endif /* _DCN_CALC_MATH_H_ */