1 files changed, 0 insertions, 147 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calc_math.c b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calc_math.c
deleted file mode 100644
index 07d18e78de49..000000000000
--- a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calc_math.c
+++ /dev/null
@@ -1,147 +0,0 @@
-/*
- * 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
- *
- */
-
-#include "dcn_calc_math.h"
-
-#define isNaN(number) ((number) != (number))
-
-/*
- * NOTE:
- *   This file is gcc-parseable HW gospel, coming straight from HW engineers.
- *
- * It doesn't adhere to Linux kernel style and sometimes will do things in odd
- * ways. Unless there is something clearly wrong with it the code should
- * remain as-is as it provides us with a guarantee from HW that it is correct.
- */
-
-float dcn_bw_mod(const float arg1, const float arg2)
-{
-	if (isNaN(arg1))
-		return arg2;
-	if (isNaN(arg2))
-		return arg1;
-	return arg1 - arg1 * ((int) (arg1 / arg2));
-}
-
-float dcn_bw_min2(const float arg1, const float arg2)
-{
-	if (isNaN(arg1))
-		return arg2;
-	if (isNaN(arg2))
-		return arg1;
-	return arg1 < arg2 ? arg1 : arg2;
-}
-
-unsigned int dcn_bw_max(const unsigned int arg1, const unsigned int arg2)
-{
-	return arg1 > arg2 ? arg1 : arg2;
-}
-float dcn_bw_max2(const float arg1, const float arg2)
-{
-	if (isNaN(arg1))
-		return arg2;
-	if (isNaN(arg2))
-		return arg1;
-	return arg1 > arg2 ? arg1 : arg2;
-}
-
-float dcn_bw_floor2(const float arg, const float significance)
-{
-	if (significance == 0)
-		return 0;
-	return ((int) (arg / significance)) * significance;
-}
-float dcn_bw_floor(const float arg)
-{
-	return ((int) (arg));
-}
-
-float dcn_bw_ceil(const float arg)
-{
-	float flr = dcn_bw_floor2(arg, 1);
-
-	return flr + 0.00001 >= arg ? arg : flr + 1;
-}
-
-float dcn_bw_ceil2(const float arg, const float significance)
-{
-	float flr = dcn_bw_floor2(arg, significance);
-	if (significance == 0)
-		return 0;
-	return flr + 0.00001 >= arg ? arg : flr + significance;
-}
-
-float dcn_bw_max3(float v1, float v2, float v3)
-{
-	return v3 > dcn_bw_max2(v1, v2) ? v3 : dcn_bw_max2(v1, v2);
-}
-
-float dcn_bw_max5(float v1, float v2, float v3, float v4, float v5)
-{
-	return dcn_bw_max3(v1, v2, v3) > dcn_bw_max2(v4, v5) ? dcn_bw_max3(v1, v2, v3) : dcn_bw_max2(v4, v5);
-}
-
-float dcn_bw_pow(float a, float exp)
-{
-	float temp;
-	/*ASSERT(exp == (int)exp);*/
-	if ((int)exp == 0)
-		return 1;
-	temp = dcn_bw_pow(a, (int)(exp / 2));
-	if (((int)exp % 2) == 0) {
-		return temp * temp;
-	} else {
-		if ((int)exp > 0)
-			return a * temp * temp;
-		else
-			return (temp * temp) / a;
-	}
-}
-
-double dcn_bw_fabs(double a)
-{
-	if (a > 0)
-		return (a);
-	else
-		return (-a);
-}
-
-
-float dcn_bw_log(float a, float b)
-{
-	int * const exp_ptr = (int *)(&a);
-	int x = *exp_ptr;
-	const int log_2 = ((x >> 23) & 255) - 128;
-	x &= ~(255 << 23);
-	x += 127 << 23;
-	*exp_ptr = x;
-
-	a = ((-1.0f / 3) * a + 2) * a - 2.0f / 3;
-
-	if (b > 2.00001 || b < 1.99999)
-		return (a + log_2) / dcn_bw_log(b, 2);
-	else
-		return (a + log_2);
-}