drm/amd/display: get rid of 32.32 unsigned fixed point

32.32 is redundant, 31.32 does everything we use 32.32 for
Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c

@@ -88,9 +88,9 @@ static void __drm_lut_to_dc_gamma(struct drm_color_lut *lut,
 			g = drm_color_lut_extract(lut[i].green, 16);
 			b = drm_color_lut_extract(lut[i].blue, 16);
 
-			gamma->entries.red[i] = dal_fixed31_32_from_int(r);
-			gamma->entries.green[i] = dal_fixed31_32_from_int(g);
-			gamma->entries.blue[i] = dal_fixed31_32_from_int(b);
+			gamma->entries.red[i] = dc_fixpt_from_int(r);
+			gamma->entries.green[i] = dc_fixpt_from_int(g);
+			gamma->entries.blue[i] = dc_fixpt_from_int(b);
 		}
 		return;
 	}
@@ -101,9 +101,9 @@ static void __drm_lut_to_dc_gamma(struct drm_color_lut *lut,
 		g = drm_color_lut_extract(lut[i].green, 16);
 		b = drm_color_lut_extract(lut[i].blue, 16);
 
-		gamma->entries.red[i] = dal_fixed31_32_from_fraction(r, MAX_DRM_LUT_VALUE);
-		gamma->entries.green[i] = dal_fixed31_32_from_fraction(g, MAX_DRM_LUT_VALUE);
-		gamma->entries.blue[i] = dal_fixed31_32_from_fraction(b, MAX_DRM_LUT_VALUE);
+		gamma->entries.red[i] = dc_fixpt_from_fraction(r, MAX_DRM_LUT_VALUE);
+		gamma->entries.green[i] = dc_fixpt_from_fraction(g, MAX_DRM_LUT_VALUE);
+		gamma->entries.blue[i] = dc_fixpt_from_fraction(b, MAX_DRM_LUT_VALUE);
 	}
 }
 
@@ -208,7 +208,7 @@ void amdgpu_dm_set_ctm(struct dm_crtc_state *crtc)
 	for (i = 0; i < 12; i++) {
 		/* Skip 4th element */
 		if (i % 4 == 3) {
-			stream->gamut_remap_matrix.matrix[i] = dal_fixed31_32_zero;
+			stream->gamut_remap_matrix.matrix[i] = dc_fixpt_zero;
 			continue;
 		}
 

drivers/gpu/drm/amd/display/dc/basics/Makefile

@@ -24,7 +24,7 @@
 # It provides the general basic services required by other DAL
 # subcomponents.
 
-BASICS = conversion.o fixpt31_32.o fixpt32_32.o \
+BASICS = conversion.o fixpt31_32.o \
 	logger.o log_helpers.o vector.o
 
 AMD_DAL_BASICS = $(addprefix $(AMDDALPATH)/dc/basics/,$(BASICS))

drivers/gpu/drm/amd/display/dc/basics/conversion.c

@@ -41,22 +41,22 @@ uint16_t fixed_point_to_int_frac(
 
 	uint16_t result;
 
-	uint16_t d = (uint16_t)dal_fixed31_32_floor(
-		dal_fixed31_32_abs(
+	uint16_t d = (uint16_t)dc_fixpt_floor(
+		dc_fixpt_abs(
 			arg));
 
 	if (d <= (uint16_t)(1 << integer_bits) - (1 / (uint16_t)divisor))
-		numerator = (uint16_t)dal_fixed31_32_round(
-			dal_fixed31_32_mul_int(
+		numerator = (uint16_t)dc_fixpt_round(
+			dc_fixpt_mul_int(
 				arg,
 				divisor));
 	else {
-		numerator = dal_fixed31_32_floor(
-			dal_fixed31_32_sub(
-				dal_fixed31_32_from_int(
+		numerator = dc_fixpt_floor(
+			dc_fixpt_sub(
+				dc_fixpt_from_int(
 					1LL << integer_bits),
-				dal_fixed31_32_recip(
-					dal_fixed31_32_from_int(
+				dc_fixpt_recip(
+					dc_fixpt_from_int(
 						divisor))));
 	}
 
@@ -66,8 +66,8 @@ uint16_t fixed_point_to_int_frac(
 		result = (uint16_t)(
 		(1 << (integer_bits + fractional_bits + 1)) + numerator);
 
-	if ((result != 0) && dal_fixed31_32_lt(
-		arg, dal_fixed31_32_zero))
+	if ((result != 0) && dc_fixpt_lt(
+		arg, dc_fixpt_zero))
 		result |= 1 << (integer_bits + fractional_bits);
 
 	return result;
@@ -84,15 +84,15 @@ void convert_float_matrix(
 	uint32_t buffer_size)
 {
 	const struct fixed31_32 min_2_13 =
-		dal_fixed31_32_from_fraction(S2D13_MIN, DIVIDER);
+		dc_fixpt_from_fraction(S2D13_MIN, DIVIDER);
 	const struct fixed31_32 max_2_13 =
-		dal_fixed31_32_from_fraction(S2D13_MAX, DIVIDER);
+		dc_fixpt_from_fraction(S2D13_MAX, DIVIDER);
 	uint32_t i;
 
 	for (i = 0; i < buffer_size; ++i) {
 		uint32_t reg_value =
 				fixed_point_to_int_frac(
-					dal_fixed31_32_clamp(
+					dc_fixpt_clamp(
 						flt[i],
 						min_2_13,
 						max_2_13),

drivers/gpu/drm/amd/display/dc/basics/fixpt31_32.c

@@ -64,7 +64,7 @@ static inline unsigned long long complete_integer_division_u64(
 #define GET_FRACTIONAL_PART(x) \
 	(FRACTIONAL_PART_MASK & (x))
 
-struct fixed31_32 dal_fixed31_32_from_fraction(
+struct fixed31_32 dc_fixpt_from_fraction(
 	long long numerator,
 	long long denominator)
 {
@@ -118,7 +118,7 @@ struct fixed31_32 dal_fixed31_32_from_fraction(
 	return res;
 }
 
-struct fixed31_32 dal_fixed31_32_from_int_nonconst(
+struct fixed31_32 dc_fixpt_from_int_nonconst(
 	long long arg)
 {
 	struct fixed31_32 res;
@@ -130,7 +130,7 @@ struct fixed31_32 dal_fixed31_32_from_int_nonconst(
 	return res;
 }
 
-struct fixed31_32 dal_fixed31_32_shl(
+struct fixed31_32 dc_fixpt_shl(
 	struct fixed31_32 arg,
 	unsigned char shift)
 {
@@ -144,7 +144,7 @@ struct fixed31_32 dal_fixed31_32_shl(
 	return res;
 }
 
-struct fixed31_32 dal_fixed31_32_add(
+struct fixed31_32 dc_fixpt_add(
 	struct fixed31_32 arg1,
 	struct fixed31_32 arg2)
 {
@@ -158,7 +158,7 @@ struct fixed31_32 dal_fixed31_32_add(
 	return res;
 }
 
-struct fixed31_32 dal_fixed31_32_sub(
+struct fixed31_32 dc_fixpt_sub(
 	struct fixed31_32 arg1,
 	struct fixed31_32 arg2)
 {
@@ -172,7 +172,7 @@ struct fixed31_32 dal_fixed31_32_sub(
 	return res;
 }
 
-struct fixed31_32 dal_fixed31_32_mul(
+struct fixed31_32 dc_fixpt_mul(
 	struct fixed31_32 arg1,
 	struct fixed31_32 arg2)
 {
@@ -213,7 +213,7 @@ struct fixed31_32 dal_fixed31_32_mul(
 	tmp = arg1_fra * arg2_fra;
 
 	tmp = (tmp >> FIXED31_32_BITS_PER_FRACTIONAL_PART) +
-		(tmp >= (unsigned long long)dal_fixed31_32_half.value);
+		(tmp >= (unsigned long long)dc_fixpt_half.value);
 
 	ASSERT(tmp <= (unsigned long long)(LLONG_MAX - res.value));
 
@@ -225,7 +225,7 @@ struct fixed31_32 dal_fixed31_32_mul(
 	return res;
 }
 
-struct fixed31_32 dal_fixed31_32_sqr(
+struct fixed31_32 dc_fixpt_sqr(
 	struct fixed31_32 arg)
 {
 	struct fixed31_32 res;
@@ -257,7 +257,7 @@ struct fixed31_32 dal_fixed31_32_sqr(
 	tmp = arg_fra * arg_fra;
 
 	tmp = (tmp >> FIXED31_32_BITS_PER_FRACTIONAL_PART) +
-		(tmp >= (unsigned long long)dal_fixed31_32_half.value);
+		(tmp >= (unsigned long long)dc_fixpt_half.value);
 
 	ASSERT(tmp <= (unsigned long long)(LLONG_MAX - res.value));
 
@@ -266,7 +266,7 @@ struct fixed31_32 dal_fixed31_32_sqr(
 	return res;
 }
 
-struct fixed31_32 dal_fixed31_32_recip(
+struct fixed31_32 dc_fixpt_recip(
 	struct fixed31_32 arg)
 {
 	/*
@@ -276,41 +276,41 @@ struct fixed31_32 dal_fixed31_32_recip(
 
 	ASSERT(arg.value);
 
-	return dal_fixed31_32_from_fraction(
-		dal_fixed31_32_one.value,
+	return dc_fixpt_from_fraction(
+		dc_fixpt_one.value,
 		arg.value);
 }
 
-struct fixed31_32 dal_fixed31_32_sinc(
+struct fixed31_32 dc_fixpt_sinc(
 	struct fixed31_32 arg)
 {
 	struct fixed31_32 square;
 
-	struct fixed31_32 res = dal_fixed31_32_one;
+	struct fixed31_32 res = dc_fixpt_one;
 
 	int n = 27;
 
 	struct fixed31_32 arg_norm = arg;
 
-	if (dal_fixed31_32_le(
-		dal_fixed31_32_two_pi,
-		dal_fixed31_32_abs(arg))) {
-		arg_norm = dal_fixed31_32_sub(
+	if (dc_fixpt_le(
+		dc_fixpt_two_pi,
+		dc_fixpt_abs(arg))) {
+		arg_norm = dc_fixpt_sub(
 			arg_norm,
-			dal_fixed31_32_mul_int(
-				dal_fixed31_32_two_pi,
+			dc_fixpt_mul_int(
+				dc_fixpt_two_pi,
 				(int)div64_s64(
 					arg_norm.value,
-					dal_fixed31_32_two_pi.value)));
+					dc_fixpt_two_pi.value)));
 	}
 
-	square = dal_fixed31_32_sqr(arg_norm);
+	square = dc_fixpt_sqr(arg_norm);
 
 	do {
-		res = dal_fixed31_32_sub(
-			dal_fixed31_32_one,
-			dal_fixed31_32_div_int(
-				dal_fixed31_32_mul(
+		res = dc_fixpt_sub(
+			dc_fixpt_one,
+			dc_fixpt_div_int(
+				dc_fixpt_mul(
 					square,
 					res),
 				n * (n - 1)));
@@ -319,37 +319,37 @@ struct fixed31_32 dal_fixed31_32_sinc(
 	} while (n > 2);
 
 	if (arg.value != arg_norm.value)
-		res = dal_fixed31_32_div(
-			dal_fixed31_32_mul(res, arg_norm),
+		res = dc_fixpt_div(
+			dc_fixpt_mul(res, arg_norm),
 			arg);
 
 	return res;
 }
 
-struct fixed31_32 dal_fixed31_32_sin(
+struct fixed31_32 dc_fixpt_sin(
 	struct fixed31_32 arg)
 {
-	return dal_fixed31_32_mul(
+	return dc_fixpt_mul(
 		arg,
-		dal_fixed31_32_sinc(arg));
+		dc_fixpt_sinc(arg));
 }
 
-struct fixed31_32 dal_fixed31_32_cos(
+struct fixed31_32 dc_fixpt_cos(
 	struct fixed31_32 arg)
 {
 	/* TODO implement argument normalization */
 
-	const struct fixed31_32 square = dal_fixed31_32_sqr(arg);
+	const struct fixed31_32 square = dc_fixpt_sqr(arg);
 
-	struct fixed31_32 res = dal_fixed31_32_one;
+	struct fixed31_32 res = dc_fixpt_one;
 
 	int n = 26;
 
 	do {
-		res = dal_fixed31_32_sub(
-			dal_fixed31_32_one,
-			dal_fixed31_32_div_int(
-				dal_fixed31_32_mul(
+		res = dc_fixpt_sub(
+			dc_fixpt_one,
+			dc_fixpt_div_int(
+				dc_fixpt_mul(
 					square,
 					res),
 				n * (n - 1)));
@@ -372,31 +372,31 @@ static struct fixed31_32 fixed31_32_exp_from_taylor_series(
 {
 	unsigned int n = 9;
 
-	struct fixed31_32 res = dal_fixed31_32_from_fraction(
+	struct fixed31_32 res = dc_fixpt_from_fraction(
 		n + 2,
 		n + 1);
 	/* TODO find correct res */
 
-	ASSERT(dal_fixed31_32_lt(arg, dal_fixed31_32_one));
+	ASSERT(dc_fixpt_lt(arg, dc_fixpt_one));
 
 	do
-		res = dal_fixed31_32_add(
-			dal_fixed31_32_one,
-			dal_fixed31_32_div_int(
-				dal_fixed31_32_mul(
+		res = dc_fixpt_add(
+			dc_fixpt_one,
+			dc_fixpt_div_int(
+				dc_fixpt_mul(
 					arg,
 					res),
 				n));
 	while (--n != 1);
 
-	return dal_fixed31_32_add(
-		dal_fixed31_32_one,
-		dal_fixed31_32_mul(
+	return dc_fixpt_add(
+		dc_fixpt_one,
+		dc_fixpt_mul(
 			arg,
 			res));
 }
 
-struct fixed31_32 dal_fixed31_32_exp(
+struct fixed31_32 dc_fixpt_exp(
 	struct fixed31_32 arg)
 {
 	/*
@@ -406,44 +406,44 @@ struct fixed31_32 dal_fixed31_32_exp(
 	 * where m = round(x / ln(2)), r = x - m * ln(2)
 	 */
 
-	if (dal_fixed31_32_le(
-		dal_fixed31_32_ln2_div_2,
-		dal_fixed31_32_abs(arg))) {
-		int m = dal_fixed31_32_round(
-			dal_fixed31_32_div(
+	if (dc_fixpt_le(
+		dc_fixpt_ln2_div_2,
+		dc_fixpt_abs(arg))) {
+		int m = dc_fixpt_round(
+			dc_fixpt_div(
 				arg,
-				dal_fixed31_32_ln2));
+				dc_fixpt_ln2));
 
-		struct fixed31_32 r = dal_fixed31_32_sub(
+		struct fixed31_32 r = dc_fixpt_sub(
 			arg,
-			dal_fixed31_32_mul_int(
-				dal_fixed31_32_ln2,
+			dc_fixpt_mul_int(
+				dc_fixpt_ln2,
 				m));
 
 		ASSERT(m != 0);
 
-		ASSERT(dal_fixed31_32_lt(
-			dal_fixed31_32_abs(r),
-			dal_fixed31_32_one));
+		ASSERT(dc_fixpt_lt(
+			dc_fixpt_abs(r),
+			dc_fixpt_one));
 
 		if (m > 0)
-			return dal_fixed31_32_shl(
+			return dc_fixpt_shl(
 				fixed31_32_exp_from_taylor_series(r),
 				(unsigned char)m);
 		else
-			return dal_fixed31_32_div_int(
+			return dc_fixpt_div_int(
 				fixed31_32_exp_from_taylor_series(r),
 				1LL << -m);
 	} else if (arg.value != 0)
 		return fixed31_32_exp_from_taylor_series(arg);
 	else
-		return dal_fixed31_32_one;
+		return dc_fixpt_one;
 }
 
-struct fixed31_32 dal_fixed31_32_log(
+struct fixed31_32 dc_fixpt_log(
 	struct fixed31_32 arg)
 {
-	struct fixed31_32 res = dal_fixed31_32_neg(dal_fixed31_32_one);
+	struct fixed31_32 res = dc_fixpt_neg(dc_fixpt_one);
 	/* TODO improve 1st estimation */
 
 	struct fixed31_32 error;
@@ -453,15 +453,15 @@ struct fixed31_32 dal_fixed31_32_log(
 	/* TODO if arg is zero, return -INF */
 
 	do {
-		struct fixed31_32 res1 = dal_fixed31_32_add(
-			dal_fixed31_32_sub(
+		struct fixed31_32 res1 = dc_fixpt_add(
+			dc_fixpt_sub(
 				res,
-				dal_fixed31_32_one),
-			dal_fixed31_32_div(
+				dc_fixpt_one),
+			dc_fixpt_div(
 				arg,
-				dal_fixed31_32_exp(res)));
+				dc_fixpt_exp(res)));
 
-		error = dal_fixed31_32_sub(
+		error = dc_fixpt_sub(
 			res,
 			res1);
 
@@ -472,17 +472,17 @@ struct fixed31_32 dal_fixed31_32_log(
 	return res;
 }
 
-struct fixed31_32 dal_fixed31_32_pow(
+struct fixed31_32 dc_fixpt_pow(
 	struct fixed31_32 arg1,
 	struct fixed31_32 arg2)
 {
-	return dal_fixed31_32_exp(
-		dal_fixed31_32_mul(
-			dal_fixed31_32_log(arg1),
+	return dc_fixpt_exp(
+		dc_fixpt_mul(
+			dc_fixpt_log(arg1),
 			arg2));
 }
 
-int dal_fixed31_32_floor(
+int dc_fixpt_floor(
 	struct fixed31_32 arg)
 {
 	unsigned long long arg_value = abs_i64(arg.value);
@@ -493,12 +493,12 @@ int dal_fixed31_32_floor(
 		return -(int)GET_INTEGER_PART(arg_value);
 }
 
-int dal_fixed31_32_round(
+int dc_fixpt_round(
 	struct fixed31_32 arg)
 {
 	unsigned long long arg_value = abs_i64(arg.value);
 
-	const long long summand = dal_fixed31_32_half.value;
+	const long long summand = dc_fixpt_half.value;
 
 	ASSERT(LLONG_MAX - (long long)arg_value >= summand);
 
@@ -510,13 +510,13 @@ int dal_fixed31_32_round(
 		return -(int)GET_INTEGER_PART(arg_value);
 }
 
-int dal_fixed31_32_ceil(
+int dc_fixpt_ceil(
 	struct fixed31_32 arg)
 {
 	unsigned long long arg_value = abs_i64(arg.value);
 
-	const long long summand = dal_fixed31_32_one.value -
-		dal_fixed31_32_epsilon.value;
+	const long long summand = dc_fixpt_one.value -
+		dc_fixpt_epsilon.value;
 
 	ASSERT(LLONG_MAX - (long long)arg_value >= summand);
 
@@ -531,7 +531,7 @@ int dal_fixed31_32_ceil(
 /* this function is a generic helper to translate fixed point value to
  * specified integer format that will consist of integer_bits integer part and
  * fractional_bits fractional part. For example it is used in
- * dal_fixed31_32_u2d19 to receive 2 bits integer part and 19 bits fractional
+ * dc_fixpt_u2d19 to receive 2 bits integer part and 19 bits fractional
  * part in 32 bits. It is used in hw programming (scaler)
  */
 
@@ -570,35 +570,35 @@ static inline unsigned int clamp_ux_dy(
 		return min_clamp;
 }
 
-unsigned int dal_fixed31_32_u2d19(
+unsigned int dc_fixpt_u2d19(
 	struct fixed31_32 arg)
 {
 	return ux_dy(arg.value, 2, 19);
 }
 
-unsigned int dal_fixed31_32_u0d19(
+unsigned int dc_fixpt_u0d19(
 	struct fixed31_32 arg)
 {
 	return ux_dy(arg.value, 0, 19);
 }
 
-unsigned int dal_fixed31_32_clamp_u0d14(
+unsigned int dc_fixpt_clamp_u0d14(
 	struct fixed31_32 arg)
 {
 	return clamp_ux_dy(arg.value, 0, 14, 1);
 }
 
-unsigned int dal_fixed31_32_clamp_u0d10(
+unsigned int dc_fixpt_clamp_u0d10(
 	struct fixed31_32 arg)
 {
 	return clamp_ux_dy(arg.value, 0, 10, 1);
 }
 
-int dal_fixed31_32_s4d19(
+int dc_fixpt_s4d19(
 	struct fixed31_32 arg)
 {
 	if (arg.value < 0)
-		return -(int)ux_dy(dal_fixed31_32_abs(arg).value, 4, 19);
+		return -(int)ux_dy(dc_fixpt_abs(arg).value, 4, 19);
 	else
 		return ux_dy(arg.value, 4, 19);
 }

drivers/gpu/drm/amd/display/dc/basics/fixpt32_32.c

-/*
- * 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
- *
- */
-
-#include "dm_services.h"
-#include "include/fixed32_32.h"
-
-static uint64_t u64_div(uint64_t n, uint64_t d)
-{
-	uint32_t i = 0;
-	uint64_t r;
-	uint64_t q = div64_u64_rem(n, d, &r);
-
-	for (i = 0; i < 32; ++i) {
-		uint64_t sbit = q & (1ULL<<63);
-
-		r <<= 1;
-		r |= sbit ? 1 : 0;
-		q <<= 1;
-		if (r >= d) {
-			r -= d;
-			q |= 1;
-		}
-	}
-
-	if (2*r >= d)
-		q += 1;
-	return q;
-}
-
-struct fixed32_32 dal_fixed32_32_from_fraction(uint32_t n, uint32_t d)
-{
-	struct fixed32_32 fx;
-
-	fx.value = u64_div((uint64_t)n << 32, (uint64_t)d << 32);
-	return fx;
-}
-
-struct fixed32_32 dal_fixed32_32_add(
-	struct fixed32_32 lhs,
-	struct fixed32_32 rhs)
-{
-	struct fixed32_32 fx = {lhs.value + rhs.value};
-
-	ASSERT(fx.value >= rhs.value);
-	return fx;
-}
-
-struct fixed32_32 dal_fixed32_32_add_int(struct fixed32_32 lhs, uint32_t rhs)
-{
-	struct fixed32_32 fx = {lhs.value + ((uint64_t)rhs << 32)};
-
-	ASSERT(fx.value >= (uint64_t)rhs << 32);
-	return fx;
-
-}
-struct fixed32_32 dal_fixed32_32_sub(
-	struct fixed32_32 lhs,
-	struct fixed32_32 rhs)
-{
-	struct fixed32_32 fx;
-
-	ASSERT(lhs.value >= rhs.value);
-	fx.value = lhs.value - rhs.value;
-	return fx;
-}
-
-struct fixed32_32 dal_fixed32_32_sub_int(struct fixed32_32 lhs, uint32_t rhs)
-{
-	struct fixed32_32 fx;
-
-	ASSERT(lhs.value >= ((uint64_t)rhs<<32));
-	fx.value = lhs.value - ((uint64_t)rhs<<32);
-	return fx;
-}
-
-struct fixed32_32 dal_fixed32_32_mul(
-	struct fixed32_32 lhs,
-	struct fixed32_32 rhs)
-{
-	struct fixed32_32 fx;
-	uint64_t lhs_int = lhs.value>>32;
-	uint64_t lhs_frac = (uint32_t)lhs.value;
-	uint64_t rhs_int = rhs.value>>32;
-	uint64_t rhs_frac = (uint32_t)rhs.value;
-	uint64_t ahbh = lhs_int * rhs_int;
-	uint64_t ahbl = lhs_int * rhs_frac;
-	uint64_t albh = lhs_frac * rhs_int;
-	uint64_t albl = lhs_frac * rhs_frac;
-
-	ASSERT((ahbh>>32) == 0);
-
-	fx.value = (ahbh<<32) + ahbl + albh + (albl>>32);
-	return fx;
-
-}
-
-struct fixed32_32 dal_fixed32_32_mul_int(struct fixed32_32 lhs, uint32_t rhs)
-{
-	struct fixed32_32 fx;
-	uint64_t lhsi = (lhs.value>>32) * (uint64_t)rhs;
-	uint64_t lhsf;
-
-	ASSERT((lhsi>>32) == 0);
-	lhsf = ((uint32_t)lhs.value) * (uint64_t)rhs;
-	ASSERT((lhsi<<32) + lhsf >= lhsf);
-	fx.value = (lhsi<<32) + lhsf;
-	return fx;
-}
-
-struct fixed32_32 dal_fixed32_32_div(
-	struct fixed32_32 lhs,
-	struct fixed32_32 rhs)
-{
-	struct fixed32_32 fx;
-
-	fx.value = u64_div(lhs.value, rhs.value);
-	return fx;
-}
-
-struct fixed32_32 dal_fixed32_32_div_int(struct fixed32_32 lhs, uint32_t rhs)
-{
-	struct fixed32_32 fx;
-
-	fx.value = u64_div(lhs.value, (uint64_t)rhs << 32);
-	return fx;
-}
-
-uint32_t dal_fixed32_32_ceil(struct fixed32_32 v)
-{
-	ASSERT((uint32_t)v.value ? (v.value >> 32) + 1 >= 1 : true);
-	return (v.value>>32) + ((uint32_t)v.value ? 1 : 0);
-}
-
-uint32_t dal_fixed32_32_round(struct fixed32_32 v)
-{
-	ASSERT(v.value + (1ULL<<31) >= (1ULL<<31));
-	return (v.value + (1ULL<<31))>>32;
-}
-

drivers/gpu/drm/amd/display/dc/calcs/custom_float.c

@@ -36,41 +36,41 @@ static bool build_custom_float(
 	uint32_t exp_offset = (1 << (format->exponenta_bits - 1)) - 1;
 
 	const struct fixed31_32 mantissa_constant_plus_max_fraction =
-		dal_fixed31_32_from_fraction(
+		dc_fixpt_from_fraction(
 			(1LL << (format->mantissa_bits + 1)) - 1,
 			1LL << format->mantissa_bits);
 
 	struct fixed31_32 mantiss;
 
-	if (dal_fixed31_32_eq(
+	if (dc_fixpt_eq(
 		value,
-		dal_fixed31_32_zero)) {
+		dc_fixpt_zero)) {
 		*negative = false;
 		*mantissa = 0;
 		*exponenta = 0;
 		return true;
 	}
 
-	if (dal_fixed31_32_lt(
+	if (dc_fixpt_lt(
 		value,
-		dal_fixed31_32_zero)) {
+		dc_fixpt_zero)) {
 		*negative = format->sign;
-		value = dal_fixed31_32_neg(value);
+		value = dc_fixpt_neg(value);
 	} else {
 		*negative = false;
 	}
 
-	if (dal_fixed31_32_lt(
+	if (dc_fixpt_lt(
 		value,
-		dal_fixed31_32_one)) {
+		dc_fixpt_one)) {
 		uint32_t i = 1;
 
 		do {
-			value = dal_fixed31_32_shl(value, 1);
+			value = dc_fixpt_shl(value, 1);
 			++i;
-		} while (dal_fixed31_32_lt(
+		} while (dc_fixpt_lt(
 			value,
-			dal_fixed31_32_one));
+			dc_fixpt_one));
 
 		--i;
 
@@ -81,15 +81,15 @@ static bool build_custom_float(
 		}
 
 		*exponenta = exp_offset - i;
-	} else if (dal_fixed31_32_le(
+	} else if (dc_fixpt_le(
 		mantissa_constant_plus_max_fraction,
 		value)) {
 		uint32_t i = 1;
 
 		do {
-			value = dal_fixed31_32_shr(value, 1);
+			value = dc_fixpt_shr(value, 1);
 			++i;
-		} while (dal_fixed31_32_lt(
+		} while (dc_fixpt_lt(
 			mantissa_constant_plus_max_fraction,
 			value));
 
@@ -98,23 +98,23 @@ static bool build_custom_float(
 		*exponenta = exp_offset;
 	}
 
-	mantiss = dal_fixed31_32_sub(
+	mantiss = dc_fixpt_sub(
 		value,
-		dal_fixed31_32_one);
+		dc_fixpt_one);
 
-	if (dal_fixed31_32_lt(
+	if (dc_fixpt_lt(
 			mantiss,
-			dal_fixed31_32_zero) ||
-		dal_fixed31_32_lt(
-			dal_fixed31_32_one,
+			dc_fixpt_zero) ||
+		dc_fixpt_lt(
+			dc_fixpt_one,
 			mantiss))
-		mantiss = dal_fixed31_32_zero;
+		mantiss = dc_fixpt_zero;
 	else
-		mantiss = dal_fixed31_32_shl(
+		mantiss = dc_fixpt_shl(
 			mantiss,
 			format->mantissa_bits);
 
-	*mantissa = dal_fixed31_32_floor(mantiss);
+	*mantissa = dc_fixpt_floor(mantiss);
 
 	return true;
 }

drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c

@@ -873,14 +873,14 @@ bool dcn_validate_bandwidth(
 			}
 
 			if (pipe->plane_state->rotation % 2 == 0) {
-				ASSERT(pipe->plane_res.scl_data.ratios.horz.value != dal_fixed31_32_one.value
+				ASSERT(pipe->plane_res.scl_data.ratios.horz.value != dc_fixpt_one.value
 					|| v->scaler_rec_out_width[input_idx] == v->viewport_width[input_idx]);
-				ASSERT(pipe->plane_res.scl_data.ratios.vert.value != dal_fixed31_32_one.value
+				ASSERT(pipe->plane_res.scl_data.ratios.vert.value != dc_fixpt_one.value
 					|| v->scaler_recout_height[input_idx] == v->viewport_height[input_idx]);
 			} else {
-				ASSERT(pipe->plane_res.scl_data.ratios.horz.value != dal_fixed31_32_one.value
+				ASSERT(pipe->plane_res.scl_data.ratios.horz.value != dc_fixpt_one.value
 					|| v->scaler_recout_height[input_idx] == v->viewport_width[input_idx]);
-				ASSERT(pipe->plane_res.scl_data.ratios.vert.value != dal_fixed31_32_one.value
+				ASSERT(pipe->plane_res.scl_data.ratios.vert.value != dc_fixpt_one.value
 					|| v->scaler_rec_out_width[input_idx] == v->viewport_height[input_idx]);
 			}
 			v->dcc_enable[input_idx] = pipe->plane_state->dcc.enable ? dcn_bw_yes : dcn_bw_no;

drivers/gpu/drm/amd/display/dc/core/dc_link.c

@@ -631,7 +631,7 @@ bool dc_link_detect(struct dc_link *link, enum dc_detect_reason reason)
 				/* Need to setup mst link_cap struct here
 				 * otherwise dc_link_detect() will leave mst link_cap
 				 * empty which leads to allocate_mst_payload() has "0"
-				 * pbn_per_slot value leading to exception on dal_fixed31_32_div()
+				 * pbn_per_slot value leading to exception on dc_fixpt_div()
 				 */
 				link->verified_link_cap = link->reported_link_cap;
 				return false;
@@ -2059,10 +2059,10 @@ static struct fixed31_32 get_pbn_per_slot(struct dc_stream_state *stream)
 			&stream->sink->link->cur_link_settings;
 	uint32_t link_rate_in_mbps =
 			link_settings->link_rate * LINK_RATE_REF_FREQ_IN_MHZ;
-	struct fixed31_32 mbps = dal_fixed31_32_from_int(
+	struct fixed31_32 mbps = dc_fixpt_from_int(
 			link_rate_in_mbps * link_settings->lane_count);
 
-	return dal_fixed31_32_div_int(mbps, 54);
+	return dc_fixpt_div_int(mbps, 54);
 }
 
 static int get_color_depth(enum dc_color_depth color_depth)
@@ -2103,7 +2103,7 @@ static struct fixed31_32 get_pbn_from_timing(struct pipe_ctx *pipe_ctx)
 	numerator = 64 * PEAK_FACTOR_X1000;
 	denominator = 54 * 8 * 1000 * 1000;
 	kbps *= numerator;
-	peak_kbps = dal_fixed31_32_from_fraction(kbps, denominator);
+	peak_kbps = dc_fixpt_from_fraction(kbps, denominator);
 
 	return peak_kbps;
 }
@@ -2230,7 +2230,7 @@ static enum dc_status allocate_mst_payload(struct pipe_ctx *pipe_ctx)
 	/* slot X.Y for only current stream */
 	pbn_per_slot = get_pbn_per_slot(stream);
 	pbn = get_pbn_from_timing(pipe_ctx);
-	avg_time_slots_per_mtp = dal_fixed31_32_div(pbn, pbn_per_slot);
+	avg_time_slots_per_mtp = dc_fixpt_div(pbn, pbn_per_slot);
 
 	stream_encoder->funcs->set_mst_bandwidth(
 		stream_encoder,
@@ -2247,7 +2247,7 @@ static enum dc_status deallocate_mst_payload(struct pipe_ctx *pipe_ctx)
 	struct link_encoder *link_encoder = link->link_enc;
 	struct stream_encoder *stream_encoder = pipe_ctx->stream_res.stream_enc;
 	struct dp_mst_stream_allocation_table proposed_table = {0};
-	struct fixed31_32 avg_time_slots_per_mtp = dal_fixed31_32_from_int(0);
+	struct fixed31_32 avg_time_slots_per_mtp = dc_fixpt_from_int(0);
 	uint8_t i;
 	bool mst_mode = (link->type == dc_connection_mst_branch);
 	DC_LOGGER_INIT(link->ctx->logger);

drivers/gpu/drm/amd/display/dc/core/dc_resource.c

@@ -496,9 +496,9 @@ static void calculate_viewport(struct pipe_ctx *pipe_ctx)
 	data->viewport_c.x = data->viewport.x / vpc_div;
 	data->viewport_c.y = data->viewport.y / vpc_div;
 	data->inits.h_c = (data->viewport.x % vpc_div) != 0 ?
-			dal_fixed31_32_half : dal_fixed31_32_zero;
+			dc_fixpt_half : dc_fixpt_zero;
 	data->inits.v_c = (data->viewport.y % vpc_div) != 0 ?
-			dal_fixed31_32_half : dal_fixed31_32_zero;
+			dc_fixpt_half : dc_fixpt_zero;
 	/* Round up, assume original video size always even dimensions */
 	data->viewport_c.width = (data->viewport.width + vpc_div - 1) / vpc_div;
 	data->viewport_c.height = (data->viewport.height + vpc_div - 1) / vpc_div;
@@ -627,10 +627,10 @@ static void calculate_scaling_ratios(struct pipe_ctx *pipe_ctx)
 			pipe_ctx->plane_state->rotation == ROTATION_ANGLE_270)
 		rect_swap_helper(&surf_src);
 
-	pipe_ctx->plane_res.scl_data.ratios.horz = dal_fixed31_32_from_fraction(
+	pipe_ctx->plane_res.scl_data.ratios.horz = dc_fixpt_from_fraction(
 					surf_src.width,
 					plane_state->dst_rect.width);
-	pipe_ctx->plane_res.scl_data.ratios.vert = dal_fixed31_32_from_fraction(
+	pipe_ctx->plane_res.scl_data.ratios.vert = dc_fixpt_from_fraction(
 					surf_src.height,
 					plane_state->dst_rect.height);
 
@@ -688,32 +688,32 @@ static void calculate_inits_and_adj_vp(struct pipe_ctx *pipe_ctx, struct view *r
 	 * 	init_bot = init + scaling_ratio
 	 * 	init_c = init + truncated_vp_c_offset(from calculate viewport)
 	 */
-	data->inits.h = dal_fixed31_32_div_int(
-			dal_fixed31_32_add_int(data->ratios.horz, data->taps.h_taps + 1), 2);
+	data->inits.h = dc_fixpt_div_int(
+			dc_fixpt_add_int(data->ratios.horz, data->taps.h_taps + 1), 2);
 
-	data->inits.h_c = dal_fixed31_32_add(data->inits.h_c, dal_fixed31_32_div_int(
-			dal_fixed31_32_add_int(data->ratios.horz_c, data->taps.h_taps_c + 1), 2));
+	data->inits.h_c = dc_fixpt_add(data->inits.h_c, dc_fixpt_div_int(
+			dc_fixpt_add_int(data->ratios.horz_c, data->taps.h_taps_c + 1), 2));
 
-	data->inits.v = dal_fixed31_32_div_int(
-			dal_fixed31_32_add_int(data->ratios.vert, data->taps.v_taps + 1), 2);
+	data->inits.v = dc_fixpt_div_int(
+			dc_fixpt_add_int(data->ratios.vert, data->taps.v_taps + 1), 2);
 
-	data->inits.v_c = dal_fixed31_32_add(data->inits.v_c, dal_fixed31_32_div_int(
-			dal_fixed31_32_add_int(data->ratios.vert_c, data->taps.v_taps_c + 1), 2));
+	data->inits.v_c = dc_fixpt_add(data->inits.v_c, dc_fixpt_div_int(
+			dc_fixpt_add_int(data->ratios.vert_c, data->taps.v_taps_c + 1), 2));
 
 
 	/* Adjust for viewport end clip-off */
 	if ((data->viewport.x + data->viewport.width) < (src.x + src.width) && !flip_horz_scan_dir) {
 		int vp_clip = src.x + src.width - data->viewport.width - data->viewport.x;
-		int int_part = dal_fixed31_32_floor(
-				dal_fixed31_32_sub(data->inits.h, data->ratios.horz));
+		int int_part = dc_fixpt_floor(
+				dc_fixpt_sub(data->inits.h, data->ratios.horz));
 
 		int_part = int_part > 0 ? int_part : 0;
 		data->viewport.width += int_part < vp_clip ? int_part : vp_clip;
 	}
 	if ((data->viewport.y + data->viewport.height) < (src.y + src.height) && !flip_vert_scan_dir) {
 		int vp_clip = src.y + src.height - data->viewport.height - data->viewport.y;
-		int int_part = dal_fixed31_32_floor(
-				dal_fixed31_32_sub(data->inits.v, data->ratios.vert));
+		int int_part = dc_fixpt_floor(
+				dc_fixpt_sub(data->inits.v, data->ratios.vert));
 
 		int_part = int_part > 0 ? int_part : 0;
 		data->viewport.height += int_part < vp_clip ? int_part : vp_clip;
@@ -721,8 +721,8 @@ static void calculate_inits_and_adj_vp(struct pipe_ctx *pipe_ctx, struct view *r
 	if ((data->viewport_c.x + data->viewport_c.width) < (src.x + src.width) / vpc_div && !flip_horz_scan_dir) {
 		int vp_clip = (src.x + src.width) / vpc_div -
 				data->viewport_c.width - data->viewport_c.x;
-		int int_part = dal_fixed31_32_floor(
-				dal_fixed31_32_sub(data->inits.h_c, data->ratios.horz_c));
+		int int_part = dc_fixpt_floor(
+				dc_fixpt_sub(data->inits.h_c, data->ratios.horz_c));
 
 		int_part = int_part > 0 ? int_part : 0;
 		data->viewport_c.width += int_part < vp_clip ? int_part : vp_clip;
@@ -730,8 +730,8 @@ static void calculate_inits_and_adj_vp(struct pipe_ctx *pipe_ctx, struct view *r
 	if ((data->viewport_c.y + data->viewport_c.height) < (src.y + src.height) / vpc_div && !flip_vert_scan_dir) {
 		int vp_clip = (src.y + src.height) / vpc_div -
 				data->viewport_c.height - data->viewport_c.y;
-		int int_part = dal_fixed31_32_floor(
-				dal_fixed31_32_sub(data->inits.v_c, data->ratios.vert_c));
+		int int_part = dc_fixpt_floor(
+				dc_fixpt_sub(data->inits.v_c, data->ratios.vert_c));
 
 		int_part = int_part > 0 ? int_part : 0;
 		data->viewport_c.height += int_part < vp_clip ? int_part : vp_clip;
@@ -741,9 +741,9 @@ static void calculate_inits_and_adj_vp(struct pipe_ctx *pipe_ctx, struct view *r
 	if (data->viewport.x && !flip_horz_scan_dir) {
 		int int_part;
 
-		data->inits.h = dal_fixed31_32_add(data->inits.h, dal_fixed31_32_mul_int(
+		data->inits.h = dc_fixpt_add(data->inits.h, dc_fixpt_mul_int(
 				data->ratios.horz, recout_skip->width));
-		int_part = dal_fixed31_32_floor(data->inits.h) - data->viewport.x;
+		int_part = dc_fixpt_floor(data->inits.h) - data->viewport.x;
 		if (int_part < data->taps.h_taps) {
 			int int_adj = data->viewport.x >= (data->taps.h_taps - int_part) ?
 						(data->taps.h_taps - int_part) : data->viewport.x;
@@ -756,15 +756,15 @@ static void calculate_inits_and_adj_vp(struct pipe_ctx *pipe_ctx, struct view *r
 			int_part = data->taps.h_taps;
 		}
 		data->inits.h.value &= 0xffffffff;
-		data->inits.h = dal_fixed31_32_add_int(data->inits.h, int_part);
+		data->inits.h = dc_fixpt_add_int(data->inits.h, int_part);
 	}
 
 	if (data->viewport_c.x && !flip_horz_scan_dir) {
 		int int_part;
 
-		data->inits.h_c = dal_fixed31_32_add(data->inits.h_c, dal_fixed31_32_mul_int(
+		data->inits.h_c = dc_fixpt_add(data->inits.h_c, dc_fixpt_mul_int(
 				data->ratios.horz_c, recout_skip->width));
-		int_part = dal_fixed31_32_floor(data->inits.h_c) - data->viewport_c.x;
+		int_part = dc_fixpt_floor(data->inits.h_c) - data->viewport_c.x;
 		if (int_part < data->taps.h_taps_c) {
 			int int_adj = data->viewport_c.x >= (data->taps.h_taps_c - int_part) ?
 					(data->taps.h_taps_c - int_part) : data->viewport_c.x;
@@ -777,15 +777,15 @@ static void calculate_inits_and_adj_vp(struct pipe_ctx *pipe_ctx, struct view *r
 			int_part = data->taps.h_taps_c;
 		}
 		data->inits.h_c.value &= 0xffffffff;
-		data->inits.h_c = dal_fixed31_32_add_int(data->inits.h_c, int_part);
+		data->inits.h_c = dc_fixpt_add_int(data->inits.h_c, int_part);
 	}
 
 	if (data->viewport.y && !flip_vert_scan_dir) {
 		int int_part;
 
-		data->inits.v = dal_fixed31_32_add(data->inits.v, dal_fixed31_32_mul_int(
+		data->inits.v = dc_fixpt_add(data->inits.v, dc_fixpt_mul_int(
 				data->ratios.vert, recout_skip->height));
-		int_part = dal_fixed31_32_floor(data->inits.v) - data->viewport.y;
+		int_part = dc_fixpt_floor(data->inits.v) - data->viewport.y;
 		if (int_part < data->taps.v_taps) {
 			int int_adj = data->viewport.y >= (data->taps.v_taps - int_part) ?
 						(data->taps.v_taps - int_part) : data->viewport.y;
@@ -798,15 +798,15 @@ static void calculate_inits_and_adj_vp(struct pipe_ctx *pipe_ctx, struct view *r
 			int_part = data->taps.v_taps;
 		}
 		data->inits.v.value &= 0xffffffff;
-		data->inits.v = dal_fixed31_32_add_int(data->inits.v, int_part);
+		data->inits.v = dc_fixpt_add_int(data->inits.v, int_part);
 	}
 
 	if (data->viewport_c.y && !flip_vert_scan_dir) {
 		int int_part;
 
-		data->inits.v_c = dal_fixed31_32_add(data->inits.v_c, dal_fixed31_32_mul_int(
+		data->inits.v_c = dc_fixpt_add(data->inits.v_c, dc_fixpt_mul_int(
 				data->ratios.vert_c, recout_skip->height));
-		int_part = dal_fixed31_32_floor(data->inits.v_c) - data->viewport_c.y;
+		int_part = dc_fixpt_floor(data->inits.v_c) - data->viewport_c.y;
 		if (int_part < data->taps.v_taps_c) {
 			int int_adj = data->viewport_c.y >= (data->taps.v_taps_c - int_part) ?
 					(data->taps.v_taps_c - int_part) : data->viewport_c.y;
@@ -819,12 +819,12 @@ static void calculate_inits_and_adj_vp(struct pipe_ctx *pipe_ctx, struct view *r
 			int_part = data->taps.v_taps_c;
 		}
 		data->inits.v_c.value &= 0xffffffff;
-		data->inits.v_c = dal_fixed31_32_add_int(data->inits.v_c, int_part);
+		data->inits.v_c = dc_fixpt_add_int(data->inits.v_c, int_part);
 	}
 
 	/* Interlaced inits based on final vert inits */
-	data->inits.v_bot = dal_fixed31_32_add(data->inits.v, data->ratios.vert);
-	data->inits.v_c_bot = dal_fixed31_32_add(data->inits.v_c, data->ratios.vert_c);
+	data->inits.v_bot = dc_fixpt_add(data->inits.v, data->ratios.vert);
+	data->inits.v_c_bot = dc_fixpt_add(data->inits.v_c, data->ratios.vert_c);
 
 	if (pipe_ctx->plane_state->rotation == ROTATION_ANGLE_90 ||
 			pipe_ctx->plane_state->rotation == ROTATION_ANGLE_270) {

drivers/gpu/drm/amd/display/dc/dc_dp_types.h

@@ -26,6 +26,8 @@
 #ifndef DC_DP_TYPES_H
 #define DC_DP_TYPES_H
 
+#include "os_types.h"
+
 enum dc_lane_count {
 	LANE_COUNT_UNKNOWN = 0,
 	LANE_COUNT_ONE = 1,

drivers/gpu/drm/amd/display/dc/dc_types.h

@@ -25,7 +25,7 @@
 #ifndef DC_TYPES_H_
 #define DC_TYPES_H_
 
-#include "fixed32_32.h"
+#include "os_types.h"
 #include "fixed31_32.h"
 #include "irq_types.h"
 #include "dc_dp_types.h"

drivers/gpu/drm/amd/display/dc/dce/dce_abm.c

@@ -26,7 +26,7 @@
 #include "dce_abm.h"
 #include "dm_services.h"
 #include "reg_helper.h"
-#include "fixed32_32.h"
+#include "fixed31_32.h"
 #include "dc.h"
 
 #include "atom.h"

drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c

@@ -657,12 +657,12 @@ static uint32_t dce110_get_d_to_pixel_rate_in_hz(
 			return 0;
 		}
 
-		pix_rate = dal_fixed31_32_from_int(clk_src->ref_freq_khz);
-		pix_rate = dal_fixed31_32_mul_int(pix_rate, 1000);
-		pix_rate = dal_fixed31_32_mul_int(pix_rate, phase);
-		pix_rate = dal_fixed31_32_div_int(pix_rate, modulo);
+		pix_rate = dc_fixpt_from_int(clk_src->ref_freq_khz);
+		pix_rate = dc_fixpt_mul_int(pix_rate, 1000);
+		pix_rate = dc_fixpt_mul_int(pix_rate, phase);
+		pix_rate = dc_fixpt_div_int(pix_rate, modulo);
 
-		return dal_fixed31_32_round(pix_rate);
+		return dc_fixpt_round(pix_rate);
 	} else {
 		return dce110_get_dp_pixel_rate_from_combo_phy_pll(cs, pix_clk_params, pll_settings);
 	}
@@ -711,12 +711,12 @@ static bool calculate_ss(
 		const struct spread_spectrum_data *ss_data,
 		struct delta_sigma_data *ds_data)
 {
-	struct fixed32_32 fb_div;
-	struct fixed32_32 ss_amount;
-	struct fixed32_32 ss_nslip_amount;
-	struct fixed32_32 ss_ds_frac_amount;
-	struct fixed32_32 ss_step_size;
-	struct fixed32_32 modulation_time;
+	struct fixed31_32 fb_div;
+	struct fixed31_32 ss_amount;
+	struct fixed31_32 ss_nslip_amount;
+	struct fixed31_32 ss_ds_frac_amount;
+	struct fixed31_32 ss_step_size;
+	struct fixed31_32 modulation_time;
 
 	if (ds_data == NULL)
 		return false;
@@ -731,42 +731,42 @@ static bool calculate_ss(
 
 	/* compute SS_AMOUNT_FBDIV & SS_AMOUNT_NFRAC_SLIP & SS_AMOUNT_DSFRAC*/
 	/* 6 decimal point support in fractional feedback divider */
-	fb_div  = dal_fixed32_32_from_fraction(
+	fb_div  = dc_fixpt_from_fraction(
 		pll_settings->fract_feedback_divider, 1000000);
-	fb_div = dal_fixed32_32_add_int(fb_div, pll_settings->feedback_divider);
+	fb_div = dc_fixpt_add_int(fb_div, pll_settings->feedback_divider);
 
 	ds_data->ds_frac_amount = 0;
 	/*spreadSpectrumPercentage is in the unit of .01%,
 	 * so have to divided by 100 * 100*/
-	ss_amount = dal_fixed32_32_mul(
-		fb_div, dal_fixed32_32_from_fraction(ss_data->percentage,
+	ss_amount = dc_fixpt_mul(
+		fb_div, dc_fixpt_from_fraction(ss_data->percentage,
 					100 * ss_data->percentage_divider));
-	ds_data->feedback_amount = dal_fixed32_32_floor(ss_amount);
+	ds_data->feedback_amount = dc_fixpt_floor(ss_amount);
 
-	ss_nslip_amount = dal_fixed32_32_sub(ss_amount,
-		dal_fixed32_32_from_int(ds_data->feedback_amount));
-	ss_nslip_amount = dal_fixed32_32_mul_int(ss_nslip_amount, 10);
-	ds_data->nfrac_amount = dal_fixed32_32_floor(ss_nslip_amount);
+	ss_nslip_amount = dc_fixpt_sub(ss_amount,
+		dc_fixpt_from_int(ds_data->feedback_amount));
+	ss_nslip_amount = dc_fixpt_mul_int(ss_nslip_amount, 10);
+	ds_data->nfrac_amount = dc_fixpt_floor(ss_nslip_amount);
 
-	ss_ds_frac_amount = dal_fixed32_32_sub(ss_nslip_amount,
-		dal_fixed32_32_from_int(ds_data->nfrac_amount));
-	ss_ds_frac_amount = dal_fixed32_32_mul_int(ss_ds_frac_amount, 65536);
-	ds_data->ds_frac_amount = dal_fixed32_32_floor(ss_ds_frac_amount);
+	ss_ds_frac_amount = dc_fixpt_sub(ss_nslip_amount,
+		dc_fixpt_from_int(ds_data->nfrac_amount));
+	ss_ds_frac_amount = dc_fixpt_mul_int(ss_ds_frac_amount, 65536);
+	ds_data->ds_frac_amount = dc_fixpt_floor(ss_ds_frac_amount);
 
 	/* compute SS_STEP_SIZE_DSFRAC */
-	modulation_time = dal_fixed32_32_from_fraction(
+	modulation_time = dc_fixpt_from_fraction(
 		pll_settings->reference_freq * 1000,
 		pll_settings->reference_divider * ss_data->modulation_freq_hz);
 
 	if (ss_data->flags.CENTER_SPREAD)
-		modulation_time = dal_fixed32_32_div_int(modulation_time, 4);
+		modulation_time = dc_fixpt_div_int(modulation_time, 4);
 	else
-		modulation_time = dal_fixed32_32_div_int(modulation_time, 2);
+		modulation_time = dc_fixpt_div_int(modulation_time, 2);
 
-	ss_step_size = dal_fixed32_32_div(ss_amount, modulation_time);
+	ss_step_size = dc_fixpt_div(ss_amount, modulation_time);
 	/* SS_STEP_SIZE_DSFRAC_DEC = Int(SS_STEP_SIZE * 2 ^ 16 * 10)*/
-	ss_step_size = dal_fixed32_32_mul_int(ss_step_size, 65536 * 10);
-	ds_data->ds_frac_size =  dal_fixed32_32_floor(ss_step_size);
+	ss_step_size = dc_fixpt_mul_int(ss_step_size, 65536 * 10);
+	ds_data->ds_frac_size =  dc_fixpt_floor(ss_step_size);
 
 	return true;
 }

drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c

@@ -26,7 +26,7 @@
 #include "dce_clocks.h"
 #include "dm_services.h"
 #include "reg_helper.h"
-#include "fixed32_32.h"
+#include "fixed31_32.h"
 #include "bios_parser_interface.h"
 #include "dc.h"
 #include "dmcu.h"
@@ -228,19 +228,19 @@ static int dce_clocks_get_dp_ref_freq(struct display_clock *clk)
 	 generated according to average value (case as with previous ASICs)
 	  */
 	if (clk_dce->ss_on_dprefclk && clk_dce->dprefclk_ss_divider != 0) {
-		struct fixed32_32 ss_percentage = dal_fixed32_32_div_int(
-				dal_fixed32_32_from_fraction(
+		struct fixed31_32 ss_percentage = dc_fixpt_div_int(
+				dc_fixpt_from_fraction(
 						clk_dce->dprefclk_ss_percentage,
 						clk_dce->dprefclk_ss_divider), 200);
-		struct fixed32_32 adj_dp_ref_clk_khz;
+		struct fixed31_32 adj_dp_ref_clk_khz;
 
-		ss_percentage = dal_fixed32_32_sub(dal_fixed32_32_one,
+		ss_percentage = dc_fixpt_sub(dc_fixpt_one,
 								ss_percentage);
 		adj_dp_ref_clk_khz =
-			dal_fixed32_32_mul_int(
+			dc_fixpt_mul_int(
 				ss_percentage,
 				dp_ref_clk_khz);
-		dp_ref_clk_khz = dal_fixed32_32_floor(adj_dp_ref_clk_khz);
+		dp_ref_clk_khz = dc_fixpt_floor(adj_dp_ref_clk_khz);
 	}
 
 	return dp_ref_clk_khz;
@@ -256,19 +256,19 @@ static int dce_clocks_get_dp_ref_freq_wrkaround(struct display_clock *clk)
 	int dp_ref_clk_khz = 600000;
 
 	if (clk_dce->ss_on_dprefclk && clk_dce->dprefclk_ss_divider != 0) {
-		struct fixed32_32 ss_percentage = dal_fixed32_32_div_int(
-				dal_fixed32_32_from_fraction(
+		struct fixed31_32 ss_percentage = dc_fixpt_div_int(
+				dc_fixpt_from_fraction(
 						clk_dce->dprefclk_ss_percentage,
 						clk_dce->dprefclk_ss_divider), 200);
-		struct fixed32_32 adj_dp_ref_clk_khz;
+		struct fixed31_32 adj_dp_ref_clk_khz;
 
-		ss_percentage = dal_fixed32_32_sub(dal_fixed32_32_one,
+		ss_percentage = dc_fixpt_sub(dc_fixpt_one,
 								ss_percentage);
 		adj_dp_ref_clk_khz =
-			dal_fixed32_32_mul_int(
+			dc_fixpt_mul_int(
 				ss_percentage,
 				dp_ref_clk_khz);
-		dp_ref_clk_khz = dal_fixed32_32_floor(adj_dp_ref_clk_khz);
+		dp_ref_clk_khz = dc_fixpt_floor(adj_dp_ref_clk_khz);
 	}
 
 	return dp_ref_clk_khz;

drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c

@@ -28,7 +28,7 @@
 #include "dce_dmcu.h"
 #include "dm_services.h"
 #include "reg_helper.h"
-#include "fixed32_32.h"
+#include "fixed31_32.h"
 #include "dc.h"
 
 #define TO_DCE_DMCU(dmcu)\

drivers/gpu/drm/amd/display/dc/dce/dce_ipp.c

@@ -195,13 +195,13 @@ static void dce_ipp_program_input_lut(
 
 	for (i = 0; i < gamma->num_entries; i++) {
 		REG_SET(DC_LUT_SEQ_COLOR, 0, DC_LUT_SEQ_COLOR,
-				dal_fixed31_32_round(
+				dc_fixpt_round(
 					gamma->entries.red[i]));
 		REG_SET(DC_LUT_SEQ_COLOR, 0, DC_LUT_SEQ_COLOR,
-				dal_fixed31_32_round(
+				dc_fixpt_round(
 					gamma->entries.green[i]));
 		REG_SET(DC_LUT_SEQ_COLOR, 0, DC_LUT_SEQ_COLOR,
-				dal_fixed31_32_round(
+				dc_fixpt_round(
 					gamma->entries.blue[i]));
 	}
 

drivers/gpu/drm/amd/display/dc/dce/dce_scl_filters.c

@@ -1014,11 +1014,11 @@ static const uint16_t filter_8tap_64p_183[264] = {
 
 const uint16_t *get_filter_3tap_16p(struct fixed31_32 ratio)
 {
-	if (ratio.value < dal_fixed31_32_one.value)
+	if (ratio.value < dc_fixpt_one.value)
 		return filter_3tap_16p_upscale;
-	else if (ratio.value < dal_fixed31_32_from_fraction(4, 3).value)
+	else if (ratio.value < dc_fixpt_from_fraction(4, 3).value)
 		return filter_3tap_16p_117;
-	else if (ratio.value < dal_fixed31_32_from_fraction(5, 3).value)
+	else if (ratio.value < dc_fixpt_from_fraction(5, 3).value)
 		return filter_3tap_16p_150;
 	else
 		return filter_3tap_16p_183;
@@ -1026,11 +1026,11 @@ const uint16_t *get_filter_3tap_16p(struct fixed31_32 ratio)
 
 const uint16_t *get_filter_3tap_64p(struct fixed31_32 ratio)
 {
-	if (ratio.value < dal_fixed31_32_one.value)
+	if (ratio.value < dc_fixpt_one.value)
 		return filter_3tap_64p_upscale;
-	else if (ratio.value < dal_fixed31_32_from_fraction(4, 3).value)
+	else if (ratio.value < dc_fixpt_from_fraction(4, 3).value)
 		return filter_3tap_64p_117;
-	else if (ratio.value < dal_fixed31_32_from_fraction(5, 3).value)
+	else if (ratio.value < dc_fixpt_from_fraction(5, 3).value)
 		return filter_3tap_64p_150;
 	else
 		return filter_3tap_64p_183;
@@ -1038,11 +1038,11 @@ const uint16_t *get_filter_3tap_64p(struct fixed31_32 ratio)
 
 const uint16_t *get_filter_4tap_16p(struct fixed31_32 ratio)
 {
-	if (ratio.value < dal_fixed31_32_one.value)
+	if (ratio.value < dc_fixpt_one.value)
 		return filter_4tap_16p_upscale;
-	else if (ratio.value < dal_fixed31_32_from_fraction(4, 3).value)
+	else if (ratio.value < dc_fixpt_from_fraction(4, 3).value)
 		return filter_4tap_16p_117;
-	else if (ratio.value < dal_fixed31_32_from_fraction(5, 3).value)
+	else if (ratio.value < dc_fixpt_from_fraction(5, 3).value)
 		return filter_4tap_16p_150;
 	else
 		return filter_4tap_16p_183;
@@ -1050,11 +1050,11 @@ const uint16_t *get_filter_4tap_16p(struct fixed31_32 ratio)
 
 const uint16_t *get_filter_4tap_64p(struct fixed31_32 ratio)
 {
-	if (ratio.value < dal_fixed31_32_one.value)
+	if (ratio.value < dc_fixpt_one.value)
 		return filter_4tap_64p_upscale;
-	else if (ratio.value < dal_fixed31_32_from_fraction(4, 3).value)
+	else if (ratio.value < dc_fixpt_from_fraction(4, 3).value)
 		return filter_4tap_64p_117;
-	else if (ratio.value < dal_fixed31_32_from_fraction(5, 3).value)
+	else if (ratio.value < dc_fixpt_from_fraction(5, 3).value)
 		return filter_4tap_64p_150;
 	else
 		return filter_4tap_64p_183;
@@ -1062,11 +1062,11 @@ const uint16_t *get_filter_4tap_64p(struct fixed31_32 ratio)
 
 const uint16_t *get_filter_5tap_64p(struct fixed31_32 ratio)
 {
-	if (ratio.value < dal_fixed31_32_one.value)
+	if (ratio.value < dc_fixpt_one.value)
 		return filter_5tap_64p_upscale;
-	else if (ratio.value < dal_fixed31_32_from_fraction(4, 3).value)
+	else if (ratio.value < dc_fixpt_from_fraction(4, 3).value)
 		return filter_5tap_64p_117;
-	else if (ratio.value < dal_fixed31_32_from_fraction(5, 3).value)
+	else if (ratio.value < dc_fixpt_from_fraction(5, 3).value)
 		return filter_5tap_64p_150;
 	else
 		return filter_5tap_64p_183;
@@ -1074,11 +1074,11 @@ const uint16_t *get_filter_5tap_64p(struct fixed31_32 ratio)
 
 const uint16_t *get_filter_6tap_64p(struct fixed31_32 ratio)
 {
-	if (ratio.value < dal_fixed31_32_one.value)
+	if (ratio.value < dc_fixpt_one.value)
 		return filter_6tap_64p_upscale;
-	else if (ratio.value < dal_fixed31_32_from_fraction(4, 3).value)
+	else if (ratio.value < dc_fixpt_from_fraction(4, 3).value)
 		return filter_6tap_64p_117;
-	else if (ratio.value < dal_fixed31_32_from_fraction(5, 3).value)
+	else if (ratio.value < dc_fixpt_from_fraction(5, 3).value)
 		return filter_6tap_64p_150;
 	else
 		return filter_6tap_64p_183;
@@ -1086,11 +1086,11 @@ const uint16_t *get_filter_6tap_64p(struct fixed31_32 ratio)
 
 const uint16_t *get_filter_7tap_64p(struct fixed31_32 ratio)
 {
-	if (ratio.value < dal_fixed31_32_one.value)
+	if (ratio.value < dc_fixpt_one.value)
 		return filter_7tap_64p_upscale;
-	else if (ratio.value < dal_fixed31_32_from_fraction(4, 3).value)
+	else if (ratio.value < dc_fixpt_from_fraction(4, 3).value)
 		return filter_7tap_64p_117;
-	else if (ratio.value < dal_fixed31_32_from_fraction(5, 3).value)
+	else if (ratio.value < dc_fixpt_from_fraction(5, 3).value)
 		return filter_7tap_64p_150;
 	else
 		return filter_7tap_64p_183;
@@ -1098,11 +1098,11 @@ const uint16_t *get_filter_7tap_64p(struct fixed31_32 ratio)
 
 const uint16_t *get_filter_8tap_64p(struct fixed31_32 ratio)
 {
-	if (ratio.value < dal_fixed31_32_one.value)
+	if (ratio.value < dc_fixpt_one.value)
 		return filter_8tap_64p_upscale;
-	else if (ratio.value < dal_fixed31_32_from_fraction(4, 3).value)
+	else if (ratio.value < dc_fixpt_from_fraction(4, 3).value)
 		return filter_8tap_64p_117;
-	else if (ratio.value < dal_fixed31_32_from_fraction(5, 3).value)
+	else if (ratio.value < dc_fixpt_from_fraction(5, 3).value)
 		return filter_8tap_64p_150;
 	else
 		return filter_8tap_64p_183;

drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c

@@ -683,11 +683,11 @@ static void dce110_stream_encoder_set_mst_bandwidth(
 	struct fixed31_32 avg_time_slots_per_mtp)
 {
 	struct dce110_stream_encoder *enc110 = DCE110STRENC_FROM_STRENC(enc);
-	uint32_t x = dal_fixed31_32_floor(
+	uint32_t x = dc_fixpt_floor(
 		avg_time_slots_per_mtp);
-	uint32_t y = dal_fixed31_32_ceil(
-		dal_fixed31_32_shl(
-			dal_fixed31_32_sub_int(
+	uint32_t y = dc_fixpt_ceil(
+		dc_fixpt_shl(
+			dc_fixpt_sub_int(
 				avg_time_slots_per_mtp,
 				x),
 			26));

drivers/gpu/drm/amd/display/dc/dce/dce_transform.c

@@ -41,7 +41,7 @@
 #define DC_LOGGER \
 	xfm_dce->base.ctx->logger
 
-#define IDENTITY_RATIO(ratio) (dal_fixed31_32_u2d19(ratio) == (1 << 19))
+#define IDENTITY_RATIO(ratio) (dc_fixpt_u2d19(ratio) == (1 << 19))
 #define GAMUT_MATRIX_SIZE 12
 #define SCL_PHASES 16
 
@@ -256,27 +256,27 @@ static void calculate_inits(
 	struct fixed31_32 v_init;
 
 	inits->h_int_scale_ratio =
-		dal_fixed31_32_u2d19(data->ratios.horz) << 5;
+		dc_fixpt_u2d19(data->ratios.horz) << 5;
 	inits->v_int_scale_ratio =
-		dal_fixed31_32_u2d19(data->ratios.vert) << 5;
+		dc_fixpt_u2d19(data->ratios.vert) << 5;
 
 	h_init =
-		dal_fixed31_32_div_int(
-			dal_fixed31_32_add(
+		dc_fixpt_div_int(
+			dc_fixpt_add(
 				data->ratios.horz,
-				dal_fixed31_32_from_int(data->taps.h_taps + 1)),
+				dc_fixpt_from_int(data->taps.h_taps + 1)),
 				2);
-	inits->h_init.integer = dal_fixed31_32_floor(h_init);
-	inits->h_init.fraction = dal_fixed31_32_u0d19(h_init) << 5;
+	inits->h_init.integer = dc_fixpt_floor(h_init);
+	inits->h_init.fraction = dc_fixpt_u0d19(h_init) << 5;
 
 	v_init =
-		dal_fixed31_32_div_int(
-			dal_fixed31_32_add(
+		dc_fixpt_div_int(
+			dc_fixpt_add(
 				data->ratios.vert,
-				dal_fixed31_32_from_int(data->taps.v_taps + 1)),
+				dc_fixpt_from_int(data->taps.v_taps + 1)),
 				2);
-	inits->v_init.integer = dal_fixed31_32_floor(v_init);
-	inits->v_init.fraction = dal_fixed31_32_u0d19(v_init) << 5;
+	inits->v_init.integer = dc_fixpt_floor(v_init);
+	inits->v_init.fraction = dc_fixpt_u0d19(v_init) << 5;
 }
 
 static void program_scl_ratios_inits(

drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c

@@ -509,19 +509,19 @@ dce110_translate_regamma_to_hw_format(const struct dc_transfer_func *output_tf,
 	rgb_resulted[hw_points - 1].green = output_tf->tf_pts.green[start_index];
 	rgb_resulted[hw_points - 1].blue = output_tf->tf_pts.blue[start_index];
 
-	arr_points[0].x = dal_fixed31_32_pow(dal_fixed31_32_from_int(2),
-					     dal_fixed31_32_from_int(region_start));
-	arr_points[1].x = dal_fixed31_32_pow(dal_fixed31_32_from_int(2),
-					     dal_fixed31_32_from_int(region_end));
+	arr_points[0].x = dc_fixpt_pow(dc_fixpt_from_int(2),
+					     dc_fixpt_from_int(region_start));
+	arr_points[1].x = dc_fixpt_pow(dc_fixpt_from_int(2),
+					     dc_fixpt_from_int(region_end));
 
 	y_r = rgb_resulted[0].red;
 	y_g = rgb_resulted[0].green;
 	y_b = rgb_resulted[0].blue;
 
-	y1_min = dal_fixed31_32_min(y_r, dal_fixed31_32_min(y_g, y_b));
+	y1_min = dc_fixpt_min(y_r, dc_fixpt_min(y_g, y_b));
 
 	arr_points[0].y = y1_min;
-	arr_points[0].slope = dal_fixed31_32_div(arr_points[0].y,
+	arr_points[0].slope = dc_fixpt_div(arr_points[0].y,
 						 arr_points[0].x);
 
 	y_r = rgb_resulted[hw_points - 1].red;
@@ -531,21 +531,21 @@ dce110_translate_regamma_to_hw_format(const struct dc_transfer_func *output_tf,
 	/* see comment above, m_arrPoints[1].y should be the Y value for the
 	 * region end (m_numOfHwPoints), not last HW point(m_numOfHwPoints - 1)
 	 */
-	y3_max = dal_fixed31_32_max(y_r, dal_fixed31_32_max(y_g, y_b));
+	y3_max = dc_fixpt_max(y_r, dc_fixpt_max(y_g, y_b));
 
 	arr_points[1].y = y3_max;
 
-	arr_points[1].slope = dal_fixed31_32_zero;
+	arr_points[1].slope = dc_fixpt_zero;
 
 	if (output_tf->tf == TRANSFER_FUNCTION_PQ) {
 		/* for PQ, we want to have a straight line from last HW X point,
 		 * and the slope to be such that we hit 1.0 at 10000 nits.
 		 */
-		const struct fixed31_32 end_value = dal_fixed31_32_from_int(125);
+		const struct fixed31_32 end_value = dc_fixpt_from_int(125);
 
-		arr_points[1].slope = dal_fixed31_32_div(
-				dal_fixed31_32_sub(dal_fixed31_32_one, arr_points[1].y),
-				dal_fixed31_32_sub(end_value, arr_points[1].x));
+		arr_points[1].slope = dc_fixpt_div(
+				dc_fixpt_sub(dc_fixpt_one, arr_points[1].y),
+				dc_fixpt_sub(end_value, arr_points[1].x));
 	}
 
 	regamma_params->hw_points_num = hw_points;
@@ -569,16 +569,16 @@ dce110_translate_regamma_to_hw_format(const struct dc_transfer_func *output_tf,
 	i = 1;
 
 	while (i != hw_points + 1) {
-		if (dal_fixed31_32_lt(rgb_plus_1->red, rgb->red))
+		if (dc_fixpt_lt(rgb_plus_1->red, rgb->red))
 			rgb_plus_1->red = rgb->red;
-		if (dal_fixed31_32_lt(rgb_plus_1->green, rgb->green))
+		if (dc_fixpt_lt(rgb_plus_1->green, rgb->green))
 			rgb_plus_1->green = rgb->green;
-		if (dal_fixed31_32_lt(rgb_plus_1->blue, rgb->blue))
+		if (dc_fixpt_lt(rgb_plus_1->blue, rgb->blue))
 			rgb_plus_1->blue = rgb->blue;
 
-		rgb->delta_red = dal_fixed31_32_sub(rgb_plus_1->red, rgb->red);
-		rgb->delta_green = dal_fixed31_32_sub(rgb_plus_1->green, rgb->green);
-		rgb->delta_blue = dal_fixed31_32_sub(rgb_plus_1->blue, rgb->blue);
+		rgb->delta_red = dc_fixpt_sub(rgb_plus_1->red, rgb->red);
+		rgb->delta_green = dc_fixpt_sub(rgb_plus_1->green, rgb->green);
+		rgb->delta_blue = dc_fixpt_sub(rgb_plus_1->blue, rgb->blue);
 
 		++rgb_plus_1;
 		++rgb;

drivers/gpu/drm/amd/display/dc/dce110/dce110_transform_v.c

@@ -373,13 +373,13 @@ static void calculate_inits(
 	struct rect *chroma_viewport)
 {
 	inits->h_int_scale_ratio_luma =
-		dal_fixed31_32_u2d19(data->ratios.horz) << 5;
+		dc_fixpt_u2d19(data->ratios.horz) << 5;
 	inits->v_int_scale_ratio_luma =
-		dal_fixed31_32_u2d19(data->ratios.vert) << 5;
+		dc_fixpt_u2d19(data->ratios.vert) << 5;
 	inits->h_int_scale_ratio_chroma =
-		dal_fixed31_32_u2d19(data->ratios.horz_c) << 5;
+		dc_fixpt_u2d19(data->ratios.horz_c) << 5;
 	inits->v_int_scale_ratio_chroma =
-		dal_fixed31_32_u2d19(data->ratios.vert_c) << 5;
+		dc_fixpt_u2d19(data->ratios.vert_c) << 5;
 
 	inits->h_init_luma.integer = 1;
 	inits->v_init_luma.integer = 1;

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_cm_common.c

@@ -169,7 +169,7 @@ bool cm_helper_convert_to_custom_float(
 	}
 
 	if (fixpoint == true)
-		arr_points[1].custom_float_y = dal_fixed31_32_clamp_u0d14(arr_points[1].y);
+		arr_points[1].custom_float_y = dc_fixpt_clamp_u0d14(arr_points[1].y);
 	else if (!convert_to_custom_float_format(arr_points[1].y, &fmt,
 		&arr_points[1].custom_float_y)) {
 		BREAK_TO_DEBUGGER();
@@ -327,19 +327,19 @@ bool cm_helper_translate_curve_to_hw_format(
 	rgb_resulted[hw_points - 1].green = output_tf->tf_pts.green[start_index];
 	rgb_resulted[hw_points - 1].blue = output_tf->tf_pts.blue[start_index];
 
-	arr_points[0].x = dal_fixed31_32_pow(dal_fixed31_32_from_int(2),
-					     dal_fixed31_32_from_int(region_start));
-	arr_points[1].x = dal_fixed31_32_pow(dal_fixed31_32_from_int(2),
-					     dal_fixed31_32_from_int(region_end));
+	arr_points[0].x = dc_fixpt_pow(dc_fixpt_from_int(2),
+					     dc_fixpt_from_int(region_start));
+	arr_points[1].x = dc_fixpt_pow(dc_fixpt_from_int(2),
+					     dc_fixpt_from_int(region_end));
 
 	y_r = rgb_resulted[0].red;
 	y_g = rgb_resulted[0].green;
 	y_b = rgb_resulted[0].blue;
 
-	y1_min = dal_fixed31_32_min(y_r, dal_fixed31_32_min(y_g, y_b));
+	y1_min = dc_fixpt_min(y_r, dc_fixpt_min(y_g, y_b));
 
 	arr_points[0].y = y1_min;
-	arr_points[0].slope = dal_fixed31_32_div(arr_points[0].y, arr_points[0].x);
+	arr_points[0].slope = dc_fixpt_div(arr_points[0].y, arr_points[0].x);
 	y_r = rgb_resulted[hw_points - 1].red;
 	y_g = rgb_resulted[hw_points - 1].green;
 	y_b = rgb_resulted[hw_points - 1].blue;
@@ -347,22 +347,22 @@ bool cm_helper_translate_curve_to_hw_format(
 	/* see comment above, m_arrPoints[1].y should be the Y value for the
 	 * region end (m_numOfHwPoints), not last HW point(m_numOfHwPoints - 1)
 	 */
-	y3_max = dal_fixed31_32_max(y_r, dal_fixed31_32_max(y_g, y_b));
+	y3_max = dc_fixpt_max(y_r, dc_fixpt_max(y_g, y_b));
 
 	arr_points[1].y = y3_max;
 
-	arr_points[1].slope = dal_fixed31_32_zero;
+	arr_points[1].slope = dc_fixpt_zero;
 
 	if (output_tf->tf == TRANSFER_FUNCTION_PQ) {
 		/* for PQ, we want to have a straight line from last HW X point,
 		 * and the slope to be such that we hit 1.0 at 10000 nits.
 		 */
 		const struct fixed31_32 end_value =
-				dal_fixed31_32_from_int(125);
+				dc_fixpt_from_int(125);
 
-		arr_points[1].slope = dal_fixed31_32_div(
-			dal_fixed31_32_sub(dal_fixed31_32_one, arr_points[1].y),
-			dal_fixed31_32_sub(end_value, arr_points[1].x));
+		arr_points[1].slope = dc_fixpt_div(
+			dc_fixpt_sub(dc_fixpt_one, arr_points[1].y),
+			dc_fixpt_sub(end_value, arr_points[1].x));
 	}
 
 	lut_params->hw_points_num = hw_points;
@@ -386,24 +386,24 @@ bool cm_helper_translate_curve_to_hw_format(
 
 	i = 1;
 	while (i != hw_points + 1) {
-		if (dal_fixed31_32_lt(rgb_plus_1->red, rgb->red))
+		if (dc_fixpt_lt(rgb_plus_1->red, rgb->red))
 			rgb_plus_1->red = rgb->red;
-		if (dal_fixed31_32_lt(rgb_plus_1->green, rgb->green))
+		if (dc_fixpt_lt(rgb_plus_1->green, rgb->green))
 			rgb_plus_1->green = rgb->green;
-		if (dal_fixed31_32_lt(rgb_plus_1->blue, rgb->blue))
+		if (dc_fixpt_lt(rgb_plus_1->blue, rgb->blue))
 			rgb_plus_1->blue = rgb->blue;
 
-		rgb->delta_red   = dal_fixed31_32_sub(rgb_plus_1->red,   rgb->red);
-		rgb->delta_green = dal_fixed31_32_sub(rgb_plus_1->green, rgb->green);
-		rgb->delta_blue  = dal_fixed31_32_sub(rgb_plus_1->blue,  rgb->blue);
+		rgb->delta_red   = dc_fixpt_sub(rgb_plus_1->red,   rgb->red);
+		rgb->delta_green = dc_fixpt_sub(rgb_plus_1->green, rgb->green);
+		rgb->delta_blue  = dc_fixpt_sub(rgb_plus_1->blue,  rgb->blue);
 
 		if (fixpoint == true) {
-			rgb->delta_red_reg   = dal_fixed31_32_clamp_u0d10(rgb->delta_red);
-			rgb->delta_green_reg = dal_fixed31_32_clamp_u0d10(rgb->delta_green);
-			rgb->delta_blue_reg  = dal_fixed31_32_clamp_u0d10(rgb->delta_blue);
-			rgb->red_reg         = dal_fixed31_32_clamp_u0d14(rgb->red);
-			rgb->green_reg       = dal_fixed31_32_clamp_u0d14(rgb->green);
-			rgb->blue_reg        = dal_fixed31_32_clamp_u0d14(rgb->blue);
+			rgb->delta_red_reg   = dc_fixpt_clamp_u0d10(rgb->delta_red);
+			rgb->delta_green_reg = dc_fixpt_clamp_u0d10(rgb->delta_green);
+			rgb->delta_blue_reg  = dc_fixpt_clamp_u0d10(rgb->delta_blue);
+			rgb->red_reg         = dc_fixpt_clamp_u0d14(rgb->red);
+			rgb->green_reg       = dc_fixpt_clamp_u0d14(rgb->green);
+			rgb->blue_reg        = dc_fixpt_clamp_u0d14(rgb->blue);
 		}
 
 		++rgb_plus_1;
@@ -489,19 +489,19 @@ bool cm_helper_translate_curve_to_degamma_hw_format(
 	rgb_resulted[hw_points - 1].green = output_tf->tf_pts.green[start_index];
 	rgb_resulted[hw_points - 1].blue = output_tf->tf_pts.blue[start_index];
 
-	arr_points[0].x = dal_fixed31_32_pow(dal_fixed31_32_from_int(2),
-					     dal_fixed31_32_from_int(region_start));
-	arr_points[1].x = dal_fixed31_32_pow(dal_fixed31_32_from_int(2),
-					     dal_fixed31_32_from_int(region_end));
+	arr_points[0].x = dc_fixpt_pow(dc_fixpt_from_int(2),
+					     dc_fixpt_from_int(region_start));
+	arr_points[1].x = dc_fixpt_pow(dc_fixpt_from_int(2),
+					     dc_fixpt_from_int(region_end));
 
 	y_r = rgb_resulted[0].red;
 	y_g = rgb_resulted[0].green;
 	y_b = rgb_resulted[0].blue;
 
-	y1_min = dal_fixed31_32_min(y_r, dal_fixed31_32_min(y_g, y_b));
+	y1_min = dc_fixpt_min(y_r, dc_fixpt_min(y_g, y_b));
 
 	arr_points[0].y = y1_min;
-	arr_points[0].slope = dal_fixed31_32_div(arr_points[0].y, arr_points[0].x);
+	arr_points[0].slope = dc_fixpt_div(arr_points[0].y, arr_points[0].x);
 	y_r = rgb_resulted[hw_points - 1].red;
 	y_g = rgb_resulted[hw_points - 1].green;
 	y_b = rgb_resulted[hw_points - 1].blue;
@@ -509,22 +509,22 @@ bool cm_helper_translate_curve_to_degamma_hw_format(
 	/* see comment above, m_arrPoints[1].y should be the Y value for the
 	 * region end (m_numOfHwPoints), not last HW point(m_numOfHwPoints - 1)
 	 */
-	y3_max = dal_fixed31_32_max(y_r, dal_fixed31_32_max(y_g, y_b));
+	y3_max = dc_fixpt_max(y_r, dc_fixpt_max(y_g, y_b));
 
 	arr_points[1].y = y3_max;
 
-	arr_points[1].slope = dal_fixed31_32_zero;
+	arr_points[1].slope = dc_fixpt_zero;
 
 	if (output_tf->tf == TRANSFER_FUNCTION_PQ) {
 		/* for PQ, we want to have a straight line from last HW X point,
 		 * and the slope to be such that we hit 1.0 at 10000 nits.
 		 */
 		const struct fixed31_32 end_value =
-				dal_fixed31_32_from_int(125);
+				dc_fixpt_from_int(125);
 
-		arr_points[1].slope = dal_fixed31_32_div(
-			dal_fixed31_32_sub(dal_fixed31_32_one, arr_points[1].y),
-			dal_fixed31_32_sub(end_value, arr_points[1].x));
+		arr_points[1].slope = dc_fixpt_div(
+			dc_fixpt_sub(dc_fixpt_one, arr_points[1].y),
+			dc_fixpt_sub(end_value, arr_points[1].x));
 	}
 
 	lut_params->hw_points_num = hw_points;
@@ -548,16 +548,16 @@ bool cm_helper_translate_curve_to_degamma_hw_format(
 
 	i = 1;
 	while (i != hw_points + 1) {
-		if (dal_fixed31_32_lt(rgb_plus_1->red, rgb->red))
+		if (dc_fixpt_lt(rgb_plus_1->red, rgb->red))
 			rgb_plus_1->red = rgb->red;
-		if (dal_fixed31_32_lt(rgb_plus_1->green, rgb->green))
+		if (dc_fixpt_lt(rgb_plus_1->green, rgb->green))
 			rgb_plus_1->green = rgb->green;
-		if (dal_fixed31_32_lt(rgb_plus_1->blue, rgb->blue))
+		if (dc_fixpt_lt(rgb_plus_1->blue, rgb->blue))
 			rgb_plus_1->blue = rgb->blue;
 
-		rgb->delta_red   = dal_fixed31_32_sub(rgb_plus_1->red,   rgb->red);
-		rgb->delta_green = dal_fixed31_32_sub(rgb_plus_1->green, rgb->green);
-		rgb->delta_blue  = dal_fixed31_32_sub(rgb_plus_1->blue,  rgb->blue);
+		rgb->delta_red   = dc_fixpt_sub(rgb_plus_1->red,   rgb->red);
+		rgb->delta_green = dc_fixpt_sub(rgb_plus_1->green, rgb->green);
+		rgb->delta_blue  = dc_fixpt_sub(rgb_plus_1->blue,  rgb->blue);
 
 		++rgb_plus_1;
 		++rgb;

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c

@@ -130,7 +130,7 @@ void dpp_set_gamut_remap_bypass(struct dcn10_dpp *dpp)
 	/* Gamut remap in bypass */
 }
 
-#define IDENTITY_RATIO(ratio) (dal_fixed31_32_u2d19(ratio) == (1 << 19))
+#define IDENTITY_RATIO(ratio) (dc_fixpt_u2d19(ratio) == (1 << 19))
 
 
 bool dpp_get_optimal_number_of_taps(

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_cm.c

@@ -811,13 +811,13 @@ void dpp1_program_input_lut(
 	REG_UPDATE(CM_IGAM_LUT_RW_INDEX, CM_IGAM_LUT_RW_INDEX, 0);
 	for (i = 0; i < gamma->num_entries; i++) {
 		REG_SET(CM_IGAM_LUT_SEQ_COLOR, 0, CM_IGAM_LUT_SEQ_COLOR,
-				dal_fixed31_32_round(
+				dc_fixpt_round(
 					gamma->entries.red[i]));
 		REG_SET(CM_IGAM_LUT_SEQ_COLOR, 0, CM_IGAM_LUT_SEQ_COLOR,
-				dal_fixed31_32_round(
+				dc_fixpt_round(
 					gamma->entries.green[i]));
 		REG_SET(CM_IGAM_LUT_SEQ_COLOR, 0, CM_IGAM_LUT_SEQ_COLOR,
-				dal_fixed31_32_round(
+				dc_fixpt_round(
 					gamma->entries.blue[i]));
 	}
 	// Power off LUT memory

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c

@@ -169,7 +169,7 @@ static enum dscl_mode_sel dpp1_dscl_get_dscl_mode(
 		const struct scaler_data *data,
 		bool dbg_always_scale)
 {
-	const long long one = dal_fixed31_32_one.value;
+	const long long one = dc_fixpt_one.value;
 
 	if (dpp_base->caps->dscl_data_proc_format == DSCL_DATA_PRCESSING_FIXED_FORMAT) {
 		/* DSCL is processing data in fixed format */
@@ -464,8 +464,8 @@ static enum lb_memory_config dpp1_dscl_find_lb_memory_config(struct dcn10_dpp *d
 	int num_part_y, num_part_c;
 	int vtaps = scl_data->taps.v_taps;
 	int vtaps_c = scl_data->taps.v_taps_c;
-	int ceil_vratio = dal_fixed31_32_ceil(scl_data->ratios.vert);
-	int ceil_vratio_c = dal_fixed31_32_ceil(scl_data->ratios.vert_c);
+	int ceil_vratio = dc_fixpt_ceil(scl_data->ratios.vert);
+	int ceil_vratio_c = dc_fixpt_ceil(scl_data->ratios.vert_c);
 	enum lb_memory_config mem_cfg = LB_MEMORY_CONFIG_0;
 
 	if (dpp->base.ctx->dc->debug.use_max_lb)
@@ -565,52 +565,52 @@ static void dpp1_dscl_set_manual_ratio_init(
 	uint32_t init_int = 0;
 
 	REG_SET(SCL_HORZ_FILTER_SCALE_RATIO, 0,
-			SCL_H_SCALE_RATIO, dal_fixed31_32_u2d19(data->ratios.horz) << 5);
+			SCL_H_SCALE_RATIO, dc_fixpt_u2d19(data->ratios.horz) << 5);
 
 	REG_SET(SCL_VERT_FILTER_SCALE_RATIO, 0,
-			SCL_V_SCALE_RATIO, dal_fixed31_32_u2d19(data->ratios.vert) << 5);
+			SCL_V_SCALE_RATIO, dc_fixpt_u2d19(data->ratios.vert) << 5);
 
 	REG_SET(SCL_HORZ_FILTER_SCALE_RATIO_C, 0,
-			SCL_H_SCALE_RATIO_C, dal_fixed31_32_u2d19(data->ratios.horz_c) << 5);
+			SCL_H_SCALE_RATIO_C, dc_fixpt_u2d19(data->ratios.horz_c) << 5);
 
 	REG_SET(SCL_VERT_FILTER_SCALE_RATIO_C, 0,
-			SCL_V_SCALE_RATIO_C, dal_fixed31_32_u2d19(data->ratios.vert_c) << 5);
+			SCL_V_SCALE_RATIO_C, dc_fixpt_u2d19(data->ratios.vert_c) << 5);
 
 	/*
 	 * 0.24 format for fraction, first five bits zeroed
 	 */
-	init_frac = dal_fixed31_32_u0d19(data->inits.h) << 5;
-	init_int = dal_fixed31_32_floor(data->inits.h);
+	init_frac = dc_fixpt_u0d19(data->inits.h) << 5;
+	init_int = dc_fixpt_floor(data->inits.h);
 	REG_SET_2(SCL_HORZ_FILTER_INIT, 0,
 		SCL_H_INIT_FRAC, init_frac,
 		SCL_H_INIT_INT, init_int);
 
-	init_frac = dal_fixed31_32_u0d19(data->inits.h_c) << 5;
-	init_int = dal_fixed31_32_floor(data->inits.h_c);
+	init_frac = dc_fixpt_u0d19(data->inits.h_c) << 5;
+	init_int = dc_fixpt_floor(data->inits.h_c);
 	REG_SET_2(SCL_HORZ_FILTER_INIT_C, 0,
 		SCL_H_INIT_FRAC_C, init_frac,
 		SCL_H_INIT_INT_C, init_int);
 
-	init_frac = dal_fixed31_32_u0d19(data->inits.v) << 5;
-	init_int = dal_fixed31_32_floor(data->inits.v);
+	init_frac = dc_fixpt_u0d19(data->inits.v) << 5;
+	init_int = dc_fixpt_floor(data->inits.v);
 	REG_SET_2(SCL_VERT_FILTER_INIT, 0,
 		SCL_V_INIT_FRAC, init_frac,
 		SCL_V_INIT_INT, init_int);
 
-	init_frac = dal_fixed31_32_u0d19(data->inits.v_bot) << 5;
-	init_int = dal_fixed31_32_floor(data->inits.v_bot);
+	init_frac = dc_fixpt_u0d19(data->inits.v_bot) << 5;
+	init_int = dc_fixpt_floor(data->inits.v_bot);
 	REG_SET_2(SCL_VERT_FILTER_INIT_BOT, 0,
 		SCL_V_INIT_FRAC_BOT, init_frac,
 		SCL_V_INIT_INT_BOT, init_int);
 
-	init_frac = dal_fixed31_32_u0d19(data->inits.v_c) << 5;
-	init_int = dal_fixed31_32_floor(data->inits.v_c);
+	init_frac = dc_fixpt_u0d19(data->inits.v_c) << 5;
+	init_int = dc_fixpt_floor(data->inits.v_c);
 	REG_SET_2(SCL_VERT_FILTER_INIT_C, 0,
 		SCL_V_INIT_FRAC_C, init_frac,
 		SCL_V_INIT_INT_C, init_int);
 
-	init_frac = dal_fixed31_32_u0d19(data->inits.v_c_bot) << 5;
-	init_int = dal_fixed31_32_floor(data->inits.v_c_bot);
+	init_frac = dc_fixpt_u0d19(data->inits.v_c_bot) << 5;
+	init_int = dc_fixpt_floor(data->inits.v_c_bot);
 	REG_SET_2(SCL_VERT_FILTER_INIT_BOT_C, 0,
 		SCL_V_INIT_FRAC_BOT_C, init_frac,
 		SCL_V_INIT_INT_BOT_C, init_int);

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c

@@ -1054,8 +1054,8 @@ void hubp1_cursor_set_position(
 	ASSERT(param->h_scale_ratio.value);
 
 	if (param->h_scale_ratio.value)
-		dst_x_offset = dal_fixed31_32_floor(dal_fixed31_32_div(
-				dal_fixed31_32_from_int(dst_x_offset),
+		dst_x_offset = dc_fixpt_floor(dc_fixpt_div(
+				dc_fixpt_from_int(dst_x_offset),
 				param->h_scale_ratio));
 
 	if (src_x_offset >= (int)param->viewport_width)

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c

@@ -1685,22 +1685,22 @@ static uint16_t fixed_point_to_int_frac(
 
 	uint16_t result;
 
-	uint16_t d = (uint16_t)dal_fixed31_32_floor(
-		dal_fixed31_32_abs(
+	uint16_t d = (uint16_t)dc_fixpt_floor(
+		dc_fixpt_abs(
 			arg));
 
 	if (d <= (uint16_t)(1 << integer_bits) - (1 / (uint16_t)divisor))
-		numerator = (uint16_t)dal_fixed31_32_floor(
-			dal_fixed31_32_mul_int(
+		numerator = (uint16_t)dc_fixpt_floor(
+			dc_fixpt_mul_int(
 				arg,
 				divisor));
 	else {
-		numerator = dal_fixed31_32_floor(
-			dal_fixed31_32_sub(
-				dal_fixed31_32_from_int(
+		numerator = dc_fixpt_floor(
+			dc_fixpt_sub(
+				dc_fixpt_from_int(
 					1LL << integer_bits),
-				dal_fixed31_32_recip(
-					dal_fixed31_32_from_int(
+				dc_fixpt_recip(
+					dc_fixpt_from_int(
 						divisor))));
 	}
 
@@ -1710,8 +1710,8 @@ static uint16_t fixed_point_to_int_frac(
 		result = (uint16_t)(
 		(1 << (integer_bits + fractional_bits + 1)) + numerator);
 
-	if ((result != 0) && dal_fixed31_32_lt(
-		arg, dal_fixed31_32_zero))
+	if ((result != 0) && dc_fixpt_lt(
+		arg, dc_fixpt_zero))
 		result |= 1 << (integer_bits + fractional_bits);
 
 	return result;
@@ -1725,8 +1725,8 @@ void build_prescale_params(struct  dc_bias_and_scale *bias_and_scale,
 			&& plane_state->input_csc_color_matrix.enable_adjustment
 			&& plane_state->coeff_reduction_factor.value != 0) {
 		bias_and_scale->scale_blue = fixed_point_to_int_frac(
-			dal_fixed31_32_mul(plane_state->coeff_reduction_factor,
-					dal_fixed31_32_from_fraction(256, 255)),
+			dc_fixpt_mul(plane_state->coeff_reduction_factor,
+					dc_fixpt_from_fraction(256, 255)),
 				2,
 				13);
 		bias_and_scale->scale_red = bias_and_scale->scale_blue;
@@ -1995,7 +1995,7 @@ static void dcn10_blank_pixel_data(
 
 static void set_hdr_multiplier(struct pipe_ctx *pipe_ctx)
 {
-	struct fixed31_32 multiplier = dal_fixed31_32_from_fraction(
+	struct fixed31_32 multiplier = dc_fixpt_from_fraction(
 			pipe_ctx->plane_state->sdr_white_level, 80);
 	uint32_t hw_mult = 0x1f000; // 1.0 default multiplier
 	struct custom_float_format fmt;

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c

@@ -603,11 +603,11 @@ void enc1_stream_encoder_set_mst_bandwidth(
 	struct fixed31_32 avg_time_slots_per_mtp)
 {
 	struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc);
-	uint32_t x = dal_fixed31_32_floor(
+	uint32_t x = dc_fixpt_floor(
 		avg_time_slots_per_mtp);
-	uint32_t y = dal_fixed31_32_ceil(
-		dal_fixed31_32_shl(
-			dal_fixed31_32_sub_int(
+	uint32_t y = dc_fixpt_ceil(
+		dc_fixpt_shl(
+			dc_fixpt_sub_int(
 				avg_time_slots_per_mtp,
 				x),
 			26));

drivers/gpu/drm/amd/display/dc/irq_types.h

@@ -26,6 +26,8 @@
 #ifndef __DAL_IRQ_TYPES_H__
 #define __DAL_IRQ_TYPES_H__
 
+#include "os_types.h"
+
 struct dc_context;
 
 typedef void (*interrupt_handler)(void *);

drivers/gpu/drm/amd/display/include/fixed31_32.h

@@ -50,16 +50,16 @@ struct fixed31_32 {
  * Useful constants
  */
 
-static const struct fixed31_32 dal_fixed31_32_zero = { 0 };
-static const struct fixed31_32 dal_fixed31_32_epsilon = { 1LL };
-static const struct fixed31_32 dal_fixed31_32_half = { 0x80000000LL };
-static const struct fixed31_32 dal_fixed31_32_one = { 0x100000000LL };
+static const struct fixed31_32 dc_fixpt_zero = { 0 };
+static const struct fixed31_32 dc_fixpt_epsilon = { 1LL };
+static const struct fixed31_32 dc_fixpt_half = { 0x80000000LL };
+static const struct fixed31_32 dc_fixpt_one = { 0x100000000LL };
 
-static const struct fixed31_32 dal_fixed31_32_pi = { 13493037705LL };
-static const struct fixed31_32 dal_fixed31_32_two_pi = { 26986075409LL };
-static const struct fixed31_32 dal_fixed31_32_e = { 11674931555LL };
-static const struct fixed31_32 dal_fixed31_32_ln2 = { 2977044471LL };
-static const struct fixed31_32 dal_fixed31_32_ln2_div_2 = { 1488522236LL };
+static const struct fixed31_32 dc_fixpt_pi = { 13493037705LL };
+static const struct fixed31_32 dc_fixpt_two_pi = { 26986075409LL };
+static const struct fixed31_32 dc_fixpt_e = { 11674931555LL };
+static const struct fixed31_32 dc_fixpt_ln2 = { 2977044471LL };
+static const struct fixed31_32 dc_fixpt_ln2_div_2 = { 1488522236LL };
 
 /*
  * @brief
@@ -70,7 +70,7 @@ static const struct fixed31_32 dal_fixed31_32_ln2_div_2 = { 1488522236LL };
  * @brief
  * result = numerator / denominator
  */
-struct fixed31_32 dal_fixed31_32_from_fraction(
+struct fixed31_32 dc_fixpt_from_fraction(
 	long long numerator,
 	long long denominator);
 
@@ -78,8 +78,8 @@ struct fixed31_32 dal_fixed31_32_from_fraction(
  * @brief
  * result = arg
  */
-struct fixed31_32 dal_fixed31_32_from_int_nonconst(long long arg);
-static inline struct fixed31_32 dal_fixed31_32_from_int(long long arg)
+struct fixed31_32 dc_fixpt_from_int_nonconst(long long arg);
+static inline struct fixed31_32 dc_fixpt_from_int(long long arg)
 {
 	if (__builtin_constant_p(arg)) {
 		struct fixed31_32 res;
@@ -87,7 +87,7 @@ static inline struct fixed31_32 dal_fixed31_32_from_int(long long arg)
 		res.value = arg << FIXED31_32_BITS_PER_FRACTIONAL_PART;
 		return res;
 	} else
-		return dal_fixed31_32_from_int_nonconst(arg);
+		return dc_fixpt_from_int_nonconst(arg);
 }
 
 /*
@@ -99,7 +99,7 @@ static inline struct fixed31_32 dal_fixed31_32_from_int(long long arg)
  * @brief
  * result = -arg
  */
-static inline struct fixed31_32 dal_fixed31_32_neg(struct fixed31_32 arg)
+static inline struct fixed31_32 dc_fixpt_neg(struct fixed31_32 arg)
 {
 	struct fixed31_32 res;
 
@@ -112,10 +112,10 @@ static inline struct fixed31_32 dal_fixed31_32_neg(struct fixed31_32 arg)
  * @brief
  * result = abs(arg) := (arg >= 0) ? arg : -arg
  */
-static inline struct fixed31_32 dal_fixed31_32_abs(struct fixed31_32 arg)
+static inline struct fixed31_32 dc_fixpt_abs(struct fixed31_32 arg)
 {
 	if (arg.value < 0)
-		return dal_fixed31_32_neg(arg);
+		return dc_fixpt_neg(arg);
 	else
 		return arg;
 }
@@ -129,7 +129,7 @@ static inline struct fixed31_32 dal_fixed31_32_abs(struct fixed31_32 arg)
  * @brief
  * result = arg1 < arg2
  */
-static inline bool dal_fixed31_32_lt(struct fixed31_32 arg1,
+static inline bool dc_fixpt_lt(struct fixed31_32 arg1,
 				     struct fixed31_32 arg2)
 {
 	return arg1.value < arg2.value;
@@ -139,7 +139,7 @@ static inline bool dal_fixed31_32_lt(struct fixed31_32 arg1,
  * @brief
  * result = arg1 <= arg2
  */
-static inline bool dal_fixed31_32_le(struct fixed31_32 arg1,
+static inline bool dc_fixpt_le(struct fixed31_32 arg1,
 				     struct fixed31_32 arg2)
 {
 	return arg1.value <= arg2.value;
@@ -149,7 +149,7 @@ static inline bool dal_fixed31_32_le(struct fixed31_32 arg1,
  * @brief
  * result = arg1 == arg2
  */
-static inline bool dal_fixed31_32_eq(struct fixed31_32 arg1,
+static inline bool dc_fixpt_eq(struct fixed31_32 arg1,
 				     struct fixed31_32 arg2)
 {
 	return arg1.value == arg2.value;
@@ -159,7 +159,7 @@ static inline bool dal_fixed31_32_eq(struct fixed31_32 arg1,
  * @brief
  * result = min(arg1, arg2) := (arg1 <= arg2) ? arg1 : arg2
  */
-static inline struct fixed31_32 dal_fixed31_32_min(struct fixed31_32 arg1,
+static inline struct fixed31_32 dc_fixpt_min(struct fixed31_32 arg1,
 						   struct fixed31_32 arg2)
 {
 	if (arg1.value <= arg2.value)
@@ -172,7 +172,7 @@ static inline struct fixed31_32 dal_fixed31_32_min(struct fixed31_32 arg1,
  * @brief
  * result = max(arg1, arg2) := (arg1 <= arg2) ? arg2 : arg1
  */
-static inline struct fixed31_32 dal_fixed31_32_max(struct fixed31_32 arg1,
+static inline struct fixed31_32 dc_fixpt_max(struct fixed31_32 arg1,
 						   struct fixed31_32 arg2)
 {
 	if (arg1.value <= arg2.value)
@@ -187,14 +187,14 @@ static inline struct fixed31_32 dal_fixed31_32_max(struct fixed31_32 arg1,
  * result = | arg, when min_value < arg < max_value
  *          | max_value, when arg >= max_value
  */
-static inline struct fixed31_32 dal_fixed31_32_clamp(
+static inline struct fixed31_32 dc_fixpt_clamp(
 	struct fixed31_32 arg,
 	struct fixed31_32 min_value,
 	struct fixed31_32 max_value)
 {
-	if (dal_fixed31_32_le(arg, min_value))
+	if (dc_fixpt_le(arg, min_value))
 		return min_value;
-	else if (dal_fixed31_32_le(max_value, arg))
+	else if (dc_fixpt_le(max_value, arg))
 		return max_value;
 	else
 		return arg;
@@ -209,7 +209,7 @@ static inline struct fixed31_32 dal_fixed31_32_clamp(
  * @brief
  * result = arg << shift
  */
-struct fixed31_32 dal_fixed31_32_shl(
+struct fixed31_32 dc_fixpt_shl(
 	struct fixed31_32 arg,
 	unsigned char shift);
 
@@ -217,7 +217,7 @@ struct fixed31_32 dal_fixed31_32_shl(
  * @brief
  * result = arg >> shift
  */
-static inline struct fixed31_32 dal_fixed31_32_shr(
+static inline struct fixed31_32 dc_fixpt_shr(
 	struct fixed31_32 arg,
 	unsigned char shift)
 {
@@ -235,7 +235,7 @@ static inline struct fixed31_32 dal_fixed31_32_shr(
  * @brief
  * result = arg1 + arg2
  */
-struct fixed31_32 dal_fixed31_32_add(
+struct fixed31_32 dc_fixpt_add(
 	struct fixed31_32 arg1,
 	struct fixed31_32 arg2);
 
@@ -243,18 +243,18 @@ struct fixed31_32 dal_fixed31_32_add(
  * @brief
  * result = arg1 + arg2
  */
-static inline struct fixed31_32 dal_fixed31_32_add_int(struct fixed31_32 arg1,
+static inline struct fixed31_32 dc_fixpt_add_int(struct fixed31_32 arg1,
 						       int arg2)
 {
-	return dal_fixed31_32_add(arg1,
-				  dal_fixed31_32_from_int(arg2));
+	return dc_fixpt_add(arg1,
+				  dc_fixpt_from_int(arg2));
 }
 
 /*
  * @brief
  * result = arg1 - arg2
  */
-struct fixed31_32 dal_fixed31_32_sub(
+struct fixed31_32 dc_fixpt_sub(
 	struct fixed31_32 arg1,
 	struct fixed31_32 arg2);
 
@@ -262,11 +262,11 @@ struct fixed31_32 dal_fixed31_32_sub(
  * @brief
  * result = arg1 - arg2
  */
-static inline struct fixed31_32 dal_fixed31_32_sub_int(struct fixed31_32 arg1,
+static inline struct fixed31_32 dc_fixpt_sub_int(struct fixed31_32 arg1,
 						       int arg2)
 {
-	return dal_fixed31_32_sub(arg1,
-				  dal_fixed31_32_from_int(arg2));
+	return dc_fixpt_sub(arg1,
+				  dc_fixpt_from_int(arg2));
 }
 
 
@@ -279,7 +279,7 @@ static inline struct fixed31_32 dal_fixed31_32_sub_int(struct fixed31_32 arg1,
  * @brief
  * result = arg1 * arg2
  */
-struct fixed31_32 dal_fixed31_32_mul(
+struct fixed31_32 dc_fixpt_mul(
 	struct fixed31_32 arg1,
 	struct fixed31_32 arg2);
 
@@ -288,39 +288,39 @@ struct fixed31_32 dal_fixed31_32_mul(
  * @brief
  * result = arg1 * arg2
  */
-static inline struct fixed31_32 dal_fixed31_32_mul_int(struct fixed31_32 arg1,
+static inline struct fixed31_32 dc_fixpt_mul_int(struct fixed31_32 arg1,
 						       int arg2)
 {
-	return dal_fixed31_32_mul(arg1,
-				  dal_fixed31_32_from_int(arg2));
+	return dc_fixpt_mul(arg1,
+				  dc_fixpt_from_int(arg2));
 }
 
 /*
  * @brief
  * result = square(arg) := arg * arg
  */
-struct fixed31_32 dal_fixed31_32_sqr(
+struct fixed31_32 dc_fixpt_sqr(
 	struct fixed31_32 arg);
 
 /*
  * @brief
  * result = arg1 / arg2
  */
-static inline struct fixed31_32 dal_fixed31_32_div_int(struct fixed31_32 arg1,
+static inline struct fixed31_32 dc_fixpt_div_int(struct fixed31_32 arg1,
 						       long long arg2)
 {
-	return dal_fixed31_32_from_fraction(arg1.value,
-					    dal_fixed31_32_from_int(arg2).value);
+	return dc_fixpt_from_fraction(arg1.value,
+					    dc_fixpt_from_int(arg2).value);
 }
 
 /*
  * @brief
  * result = arg1 / arg2
  */
-static inline struct fixed31_32 dal_fixed31_32_div(struct fixed31_32 arg1,
+static inline struct fixed31_32 dc_fixpt_div(struct fixed31_32 arg1,
 						   struct fixed31_32 arg2)
 {
-	return dal_fixed31_32_from_fraction(arg1.value,
+	return dc_fixpt_from_fraction(arg1.value,
 					    arg2.value);
 }
 
@@ -336,7 +336,7 @@ static inline struct fixed31_32 dal_fixed31_32_div(struct fixed31_32 arg1,
  * @note
  * No special actions taken in case argument is zero.
  */
-struct fixed31_32 dal_fixed31_32_recip(
+struct fixed31_32 dc_fixpt_recip(
 	struct fixed31_32 arg);
 
 /*
@@ -352,7 +352,7 @@ struct fixed31_32 dal_fixed31_32_recip(
  * Argument specified in radians,
  * internally it's normalized to [-2pi...2pi] range.
  */
-struct fixed31_32 dal_fixed31_32_sinc(
+struct fixed31_32 dc_fixpt_sinc(
 	struct fixed31_32 arg);
 
 /*
@@ -363,7 +363,7 @@ struct fixed31_32 dal_fixed31_32_sinc(
  * Argument specified in radians,
  * internally it's normalized to [-2pi...2pi] range.
  */
-struct fixed31_32 dal_fixed31_32_sin(
+struct fixed31_32 dc_fixpt_sin(
 	struct fixed31_32 arg);
 
 /*
@@ -376,7 +376,7 @@ struct fixed31_32 dal_fixed31_32_sin(
  * passing arguments outside that range
  * will cause incorrect result!
  */
-struct fixed31_32 dal_fixed31_32_cos(
+struct fixed31_32 dc_fixpt_cos(
 	struct fixed31_32 arg);
 
 /*
@@ -391,7 +391,7 @@ struct fixed31_32 dal_fixed31_32_cos(
  * @note
  * Currently, function is verified for abs(arg) <= 1.
  */
-struct fixed31_32 dal_fixed31_32_exp(
+struct fixed31_32 dc_fixpt_exp(
 	struct fixed31_32 arg);
 
 /*
@@ -404,7 +404,7 @@ struct fixed31_32 dal_fixed31_32_exp(
  * Currently, no special actions taken
  * in case of invalid argument(s). Take care!
  */
-struct fixed31_32 dal_fixed31_32_log(
+struct fixed31_32 dc_fixpt_log(
 	struct fixed31_32 arg);
 
 /*
@@ -419,7 +419,7 @@ struct fixed31_32 dal_fixed31_32_log(
  * @note
  * Currently, abs(arg1) should be less than 1. Take care!
  */
-struct fixed31_32 dal_fixed31_32_pow(
+struct fixed31_32 dc_fixpt_pow(
 	struct fixed31_32 arg1,
 	struct fixed31_32 arg2);
 
@@ -432,21 +432,21 @@ struct fixed31_32 dal_fixed31_32_pow(
  * @brief
  * result = floor(arg) := greatest integer lower than or equal to arg
  */
-int dal_fixed31_32_floor(
+int dc_fixpt_floor(
 	struct fixed31_32 arg);
 
 /*
  * @brief
  * result = round(arg) := integer nearest to arg
  */
-int dal_fixed31_32_round(
+int dc_fixpt_round(
 	struct fixed31_32 arg);
 
 /*
  * @brief
  * result = ceil(arg) := lowest integer greater than or equal to arg
  */
-int dal_fixed31_32_ceil(
+int dc_fixpt_ceil(
 	struct fixed31_32 arg);
 
 /* the following two function are used in scaler hw programming to convert fixed
@@ -455,20 +455,20 @@ int dal_fixed31_32_ceil(
  * fractional
  */
 
-unsigned int dal_fixed31_32_u2d19(
+unsigned int dc_fixpt_u2d19(
 	struct fixed31_32 arg);
 
-unsigned int dal_fixed31_32_u0d19(
+unsigned int dc_fixpt_u0d19(
 	struct fixed31_32 arg);
 
 
-unsigned int dal_fixed31_32_clamp_u0d14(
+unsigned int dc_fixpt_clamp_u0d14(
 	struct fixed31_32 arg);
 
-unsigned int dal_fixed31_32_clamp_u0d10(
+unsigned int dc_fixpt_clamp_u0d10(
 	struct fixed31_32 arg);
 
-int dal_fixed31_32_s4d19(
+int dc_fixpt_s4d19(
 	struct fixed31_32 arg);
 
 #endif

drivers/gpu/drm/amd/display/include/fixed32_32.h

-/*
- * 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_FIXED32_32_H__
-#define __DAL_FIXED32_32_H__
-
-#include "os_types.h"
-
-struct fixed32_32 {
-	uint64_t value;
-};
-
-static const struct fixed32_32 dal_fixed32_32_zero = { 0 };
-static const struct fixed32_32 dal_fixed32_32_one = { 0x100000000LL };
-static const struct fixed32_32 dal_fixed32_32_half = { 0x80000000LL };
-
-struct fixed32_32 dal_fixed32_32_from_fraction(uint32_t n, uint32_t d);
-static inline struct fixed32_32 dal_fixed32_32_from_int(uint32_t value)
-{
-	struct fixed32_32 fx;
-
-	fx.value = (uint64_t)value<<32;
-	return fx;
-}
-
-struct fixed32_32 dal_fixed32_32_add(
-	struct fixed32_32 lhs,
-	struct fixed32_32 rhs);
-struct fixed32_32 dal_fixed32_32_add_int(
-	struct fixed32_32 lhs,
-	uint32_t rhs);
-struct fixed32_32 dal_fixed32_32_sub(
-	struct fixed32_32 lhs,
-	struct fixed32_32 rhs);
-struct fixed32_32 dal_fixed32_32_sub_int(
-	struct fixed32_32 lhs,
-	uint32_t rhs);
-struct fixed32_32 dal_fixed32_32_mul(
-	struct fixed32_32 lhs,
-	struct fixed32_32 rhs);
-struct fixed32_32 dal_fixed32_32_mul_int(
-	struct fixed32_32 lhs,
-	uint32_t rhs);
-struct fixed32_32 dal_fixed32_32_div(
-	struct fixed32_32 lhs,
-	struct fixed32_32 rhs);
-struct fixed32_32 dal_fixed32_32_div_int(
-	struct fixed32_32 lhs,
-	uint32_t rhs);
-
-static inline struct fixed32_32 dal_fixed32_32_min(struct fixed32_32 lhs,
-						   struct fixed32_32 rhs)
-{
-	return (lhs.value < rhs.value) ? lhs : rhs;
-}
-
-static inline struct fixed32_32 dal_fixed32_32_max(struct fixed32_32 lhs,
-						   struct fixed32_32 rhs)
-{
-	return (lhs.value > rhs.value) ? lhs : rhs;
-}
-
-static inline bool dal_fixed32_32_gt(struct fixed32_32 lhs, struct fixed32_32 rhs)
-{
-	return lhs.value > rhs.value;
-}
-
-static inline bool dal_fixed32_32_gt_int(struct fixed32_32 lhs, uint32_t rhs)
-{
-	return lhs.value > ((uint64_t)rhs<<32);
-}
-
-static inline bool dal_fixed32_32_lt(struct fixed32_32 lhs, struct fixed32_32 rhs)
-{
-	return lhs.value < rhs.value;
-}
-
-static inline bool dal_fixed32_32_lt_int(struct fixed32_32 lhs, uint32_t rhs)
-{
-	return lhs.value < ((uint64_t)rhs<<32);
-}
-
-static inline bool dal_fixed32_32_le(struct fixed32_32 lhs, struct fixed32_32 rhs)
-{
-	return lhs.value <= rhs.value;
-}
-
-static inline bool dal_fixed32_32_le_int(struct fixed32_32 lhs, uint32_t rhs)
-{
-	return lhs.value <= ((uint64_t)rhs<<32);
-}
-
-static inline bool dal_fixed32_32_eq(struct fixed32_32 lhs, struct fixed32_32 rhs)
-{
-	return lhs.value == rhs.value;
-}
-
-uint32_t dal_fixed32_32_ceil(struct fixed32_32 value);
-static inline uint32_t dal_fixed32_32_floor(struct fixed32_32 value)
-{
-	return value.value>>32;
-}
-
-uint32_t dal_fixed32_32_round(struct fixed32_32 value);
-
-#endif

drivers/gpu/drm/amd/display/modules/color/color_gamma.c

@@ -43,7 +43,7 @@ static bool de_pq_initialized; /* = false; */
 /* one-time setup of X points */
 void setup_x_points_distribution(void)
 {
-	struct fixed31_32 region_size = dal_fixed31_32_from_int(128);
+	struct fixed31_32 region_size = dc_fixpt_from_int(128);
 	int32_t segment;
 	uint32_t seg_offset;
 	uint32_t index;
@@ -53,8 +53,8 @@ void setup_x_points_distribution(void)
 	coordinates_x[MAX_HW_POINTS + 1].x = region_size;
 
 	for (segment = 6; segment > (6 - NUM_REGIONS); segment--) {
-		region_size = dal_fixed31_32_div_int(region_size, 2);
-		increment = dal_fixed31_32_div_int(region_size,
+		region_size = dc_fixpt_div_int(region_size, 2);
+		increment = dc_fixpt_div_int(region_size,
 						NUM_PTS_IN_REGION);
 		seg_offset = (segment + (NUM_REGIONS - 7)) * NUM_PTS_IN_REGION;
 		coordinates_x[seg_offset].x = region_size;
@@ -62,7 +62,7 @@ void setup_x_points_distribution(void)
 		for (index = seg_offset + 1;
 				index < seg_offset + NUM_PTS_IN_REGION;
 				index++) {
-			coordinates_x[index].x = dal_fixed31_32_add
+			coordinates_x[index].x = dc_fixpt_add
 					(coordinates_x[index-1].x, increment);
 		}
 	}
@@ -72,63 +72,63 @@ static void compute_pq(struct fixed31_32 in_x, struct fixed31_32 *out_y)
 {
 	/* consts for PQ gamma formula. */
 	const struct fixed31_32 m1 =
-		dal_fixed31_32_from_fraction(159301758, 1000000000);
+		dc_fixpt_from_fraction(159301758, 1000000000);
 	const struct fixed31_32 m2 =
-		dal_fixed31_32_from_fraction(7884375, 100000);
+		dc_fixpt_from_fraction(7884375, 100000);
 	const struct fixed31_32 c1 =
-		dal_fixed31_32_from_fraction(8359375, 10000000);
+		dc_fixpt_from_fraction(8359375, 10000000);
 	const struct fixed31_32 c2 =
-		dal_fixed31_32_from_fraction(188515625, 10000000);
+		dc_fixpt_from_fraction(188515625, 10000000);
 	const struct fixed31_32 c3 =
-		dal_fixed31_32_from_fraction(186875, 10000);
+		dc_fixpt_from_fraction(186875, 10000);
 
 	struct fixed31_32 l_pow_m1;
 	struct fixed31_32 base;
 
-	if (dal_fixed31_32_lt(in_x, dal_fixed31_32_zero))
-		in_x = dal_fixed31_32_zero;
+	if (dc_fixpt_lt(in_x, dc_fixpt_zero))
+		in_x = dc_fixpt_zero;
 
-	l_pow_m1 = dal_fixed31_32_pow(in_x, m1);
-	base = dal_fixed31_32_div(
-			dal_fixed31_32_add(c1,
-					(dal_fixed31_32_mul(c2, l_pow_m1))),
-			dal_fixed31_32_add(dal_fixed31_32_one,
-					(dal_fixed31_32_mul(c3, l_pow_m1))));
-	*out_y = dal_fixed31_32_pow(base, m2);
+	l_pow_m1 = dc_fixpt_pow(in_x, m1);
+	base = dc_fixpt_div(
+			dc_fixpt_add(c1,
+					(dc_fixpt_mul(c2, l_pow_m1))),
+			dc_fixpt_add(dc_fixpt_one,
+					(dc_fixpt_mul(c3, l_pow_m1))));
+	*out_y = dc_fixpt_pow(base, m2);
 }
 
 static void compute_de_pq(struct fixed31_32 in_x, struct fixed31_32 *out_y)
 {
 	/* consts for dePQ gamma formula. */
 	const struct fixed31_32 m1 =
-		dal_fixed31_32_from_fraction(159301758, 1000000000);
+		dc_fixpt_from_fraction(159301758, 1000000000);
 	const struct fixed31_32 m2 =
-		dal_fixed31_32_from_fraction(7884375, 100000);
+		dc_fixpt_from_fraction(7884375, 100000);
 	const struct fixed31_32 c1 =
-		dal_fixed31_32_from_fraction(8359375, 10000000);
+		dc_fixpt_from_fraction(8359375, 10000000);
 	const struct fixed31_32 c2 =
-		dal_fixed31_32_from_fraction(188515625, 10000000);
+		dc_fixpt_from_fraction(188515625, 10000000);
 	const struct fixed31_32 c3 =
-		dal_fixed31_32_from_fraction(186875, 10000);
+		dc_fixpt_from_fraction(186875, 10000);
 
 	struct fixed31_32 l_pow_m1;
 	struct fixed31_32 base, div;
 
 
-	if (dal_fixed31_32_lt(in_x, dal_fixed31_32_zero))
-		in_x = dal_fixed31_32_zero;
+	if (dc_fixpt_lt(in_x, dc_fixpt_zero))
+		in_x = dc_fixpt_zero;
 
-	l_pow_m1 = dal_fixed31_32_pow(in_x,
-			dal_fixed31_32_div(dal_fixed31_32_one, m2));
-	base = dal_fixed31_32_sub(l_pow_m1, c1);
+	l_pow_m1 = dc_fixpt_pow(in_x,
+			dc_fixpt_div(dc_fixpt_one, m2));
+	base = dc_fixpt_sub(l_pow_m1, c1);
 
-	if (dal_fixed31_32_lt(base, dal_fixed31_32_zero))
-		base = dal_fixed31_32_zero;
+	if (dc_fixpt_lt(base, dc_fixpt_zero))
+		base = dc_fixpt_zero;
 
-	div = dal_fixed31_32_sub(c2, dal_fixed31_32_mul(c3, l_pow_m1));
+	div = dc_fixpt_sub(c2, dc_fixpt_mul(c3, l_pow_m1));
 
-	*out_y = dal_fixed31_32_pow(dal_fixed31_32_div(base, div),
-			dal_fixed31_32_div(dal_fixed31_32_one, m1));
+	*out_y = dc_fixpt_pow(dc_fixpt_div(base, div),
+			dc_fixpt_div(dc_fixpt_one, m1));
 
 }
 /* one-time pre-compute PQ values - only for sdr_white_level 80 */
@@ -138,14 +138,14 @@ void precompute_pq(void)
 	struct fixed31_32 x;
 	const struct hw_x_point *coord_x = coordinates_x + 32;
 	struct fixed31_32 scaling_factor =
-			dal_fixed31_32_from_fraction(80, 10000);
+			dc_fixpt_from_fraction(80, 10000);
 
 	/* pow function has problems with arguments too small */
 	for (i = 0; i < 32; i++)
-		pq_table[i] = dal_fixed31_32_zero;
+		pq_table[i] = dc_fixpt_zero;
 
 	for (i = 32; i <= MAX_HW_POINTS; i++) {
-		x = dal_fixed31_32_mul(coord_x->x, scaling_factor);
+		x = dc_fixpt_mul(coord_x->x, scaling_factor);
 		compute_pq(x, &pq_table[i]);
 		++coord_x;
 	}
@@ -158,7 +158,7 @@ void precompute_de_pq(void)
 	struct fixed31_32  y;
 	uint32_t begin_index, end_index;
 
-	struct fixed31_32 scaling_factor = dal_fixed31_32_from_int(125);
+	struct fixed31_32 scaling_factor = dc_fixpt_from_int(125);
 
 	/* X points is 2^-25 to 2^7
 	 * De-gamma X is 2^-12 to 2^0 – we are skipping first -12-(-25) = 13 regions
@@ -167,11 +167,11 @@ void precompute_de_pq(void)
 	end_index = begin_index + 12 * NUM_PTS_IN_REGION;
 
 	for (i = 0; i <= begin_index; i++)
-		de_pq_table[i] = dal_fixed31_32_zero;
+		de_pq_table[i] = dc_fixpt_zero;
 
 	for (; i <= end_index; i++) {
 		compute_de_pq(coordinates_x[i].x, &y);
-		de_pq_table[i] = dal_fixed31_32_mul(y, scaling_factor);
+		de_pq_table[i] = dc_fixpt_mul(y, scaling_factor);
 	}
 
 	for (; i <= MAX_HW_POINTS; i++)
@@ -195,15 +195,15 @@ static void build_coefficients(struct gamma_coefficients *coefficients, bool is_
 	uint32_t index = is_2_4 == true ? 0:1;
 
 	do {
-		coefficients->a0[i] = dal_fixed31_32_from_fraction(
+		coefficients->a0[i] = dc_fixpt_from_fraction(
 			numerator01[index], 10000000);
-		coefficients->a1[i] = dal_fixed31_32_from_fraction(
+		coefficients->a1[i] = dc_fixpt_from_fraction(
 			numerator02[index], 1000);
-		coefficients->a2[i] = dal_fixed31_32_from_fraction(
+		coefficients->a2[i] = dc_fixpt_from_fraction(
 			numerator03[index], 1000);
-		coefficients->a3[i] = dal_fixed31_32_from_fraction(
+		coefficients->a3[i] = dc_fixpt_from_fraction(
 			numerator04[index], 1000);
-		coefficients->user_gamma[i] = dal_fixed31_32_from_fraction(
+		coefficients->user_gamma[i] = dc_fixpt_from_fraction(
 			numerator05[index], 1000);
 
 		++i;
@@ -218,33 +218,33 @@ static struct fixed31_32 translate_from_linear_space(
 	struct fixed31_32 a3,
 	struct fixed31_32 gamma)
 {
-	const struct fixed31_32 one = dal_fixed31_32_from_int(1);
+	const struct fixed31_32 one = dc_fixpt_from_int(1);
 
-	if (dal_fixed31_32_lt(one, arg))
+	if (dc_fixpt_lt(one, arg))
 		return one;
 
-	if (dal_fixed31_32_le(arg, dal_fixed31_32_neg(a0)))
-		return dal_fixed31_32_sub(
+	if (dc_fixpt_le(arg, dc_fixpt_neg(a0)))
+		return dc_fixpt_sub(
 			a2,
-			dal_fixed31_32_mul(
-				dal_fixed31_32_add(
+			dc_fixpt_mul(
+				dc_fixpt_add(
 					one,
 					a3),
-				dal_fixed31_32_pow(
-					dal_fixed31_32_neg(arg),
-					dal_fixed31_32_recip(gamma))));
-	else if (dal_fixed31_32_le(a0, arg))
-		return dal_fixed31_32_sub(
-			dal_fixed31_32_mul(
-				dal_fixed31_32_add(
+				dc_fixpt_pow(
+					dc_fixpt_neg(arg),
+					dc_fixpt_recip(gamma))));
+	else if (dc_fixpt_le(a0, arg))
+		return dc_fixpt_sub(
+			dc_fixpt_mul(
+				dc_fixpt_add(
 					one,
 					a3),
-				dal_fixed31_32_pow(
+				dc_fixpt_pow(
 					arg,
-					dal_fixed31_32_recip(gamma))),
+					dc_fixpt_recip(gamma))),
 			a2);
 	else
-		return dal_fixed31_32_mul(
+		return dc_fixpt_mul(
 			arg,
 			a1);
 }
@@ -259,25 +259,25 @@ static struct fixed31_32 translate_to_linear_space(
 {
 	struct fixed31_32 linear;
 
-	a0 = dal_fixed31_32_mul(a0, a1);
-	if (dal_fixed31_32_le(arg, dal_fixed31_32_neg(a0)))
+	a0 = dc_fixpt_mul(a0, a1);
+	if (dc_fixpt_le(arg, dc_fixpt_neg(a0)))
 
-		linear = dal_fixed31_32_neg(
-				 dal_fixed31_32_pow(
-				 dal_fixed31_32_div(
-				 dal_fixed31_32_sub(a2, arg),
-				 dal_fixed31_32_add(
-				 dal_fixed31_32_one, a3)), gamma));
+		linear = dc_fixpt_neg(
+				 dc_fixpt_pow(
+				 dc_fixpt_div(
+				 dc_fixpt_sub(a2, arg),
+				 dc_fixpt_add(
+				 dc_fixpt_one, a3)), gamma));
 
-	else if (dal_fixed31_32_le(dal_fixed31_32_neg(a0), arg) &&
-			 dal_fixed31_32_le(arg, a0))
-		linear = dal_fixed31_32_div(arg, a1);
+	else if (dc_fixpt_le(dc_fixpt_neg(a0), arg) &&
+			 dc_fixpt_le(arg, a0))
+		linear = dc_fixpt_div(arg, a1);
 	else
-		linear =  dal_fixed31_32_pow(
-					dal_fixed31_32_div(
-					dal_fixed31_32_add(a2, arg),
-					dal_fixed31_32_add(
-					dal_fixed31_32_one, a3)), gamma);
+		linear =  dc_fixpt_pow(
+					dc_fixpt_div(
+					dc_fixpt_add(a2, arg),
+					dc_fixpt_add(
+					dc_fixpt_one, a3)), gamma);
 
 	return linear;
 }
@@ -352,8 +352,8 @@ static bool find_software_points(
 				right = axis_x[max_number - 1].b;
 		}
 
-		if (dal_fixed31_32_le(left, hw_point) &&
-			dal_fixed31_32_le(hw_point, right)) {
+		if (dc_fixpt_le(left, hw_point) &&
+			dc_fixpt_le(hw_point, right)) {
 			*index_to_start = i;
 			*index_left = i;
 
@@ -366,7 +366,7 @@ static bool find_software_points(
 
 			return true;
 		} else if ((i == *index_to_start) &&
-			dal_fixed31_32_le(hw_point, left)) {
+			dc_fixpt_le(hw_point, left)) {
 			*index_to_start = i;
 			*index_left = i;
 			*index_right = i;
@@ -375,7 +375,7 @@ static bool find_software_points(
 
 			return true;
 		} else if ((i == max_number - 1) &&
-			dal_fixed31_32_le(right, hw_point)) {
+			dc_fixpt_le(right, hw_point)) {
 			*index_to_start = i;
 			*index_left = i;
 			*index_right = i;
@@ -457,17 +457,17 @@ static bool build_custom_gamma_mapping_coefficients_worker(
 		}
 
 		if (hw_pos == HW_POINT_POSITION_MIDDLE)
-			point->coeff = dal_fixed31_32_div(
-				dal_fixed31_32_sub(
+			point->coeff = dc_fixpt_div(
+				dc_fixpt_sub(
 					coord_x,
 					left_pos),
-				dal_fixed31_32_sub(
+				dc_fixpt_sub(
 					right_pos,
 					left_pos));
 		else if (hw_pos == HW_POINT_POSITION_LEFT)
-			point->coeff = dal_fixed31_32_zero;
+			point->coeff = dc_fixpt_zero;
 		else if (hw_pos == HW_POINT_POSITION_RIGHT)
-			point->coeff = dal_fixed31_32_from_int(2);
+			point->coeff = dc_fixpt_from_int(2);
 		else {
 			BREAK_TO_DEBUGGER();
 			return false;
@@ -502,45 +502,45 @@ static struct fixed31_32 calculate_mapped_value(
 
 	if ((point->left_index < 0) || (point->left_index > max_index)) {
 		BREAK_TO_DEBUGGER();
-		return dal_fixed31_32_zero;
+		return dc_fixpt_zero;
 	}
 
 	if ((point->right_index < 0) || (point->right_index > max_index)) {
 		BREAK_TO_DEBUGGER();
-		return dal_fixed31_32_zero;
+		return dc_fixpt_zero;
 	}
 
 	if (point->pos == HW_POINT_POSITION_MIDDLE)
 		if (channel == CHANNEL_NAME_RED)
-			result = dal_fixed31_32_add(
-				dal_fixed31_32_mul(
+			result = dc_fixpt_add(
+				dc_fixpt_mul(
 					point->coeff,
-					dal_fixed31_32_sub(
+					dc_fixpt_sub(
 						rgb[point->right_index].r,
 						rgb[point->left_index].r)),
 				rgb[point->left_index].r);
 		else if (channel == CHANNEL_NAME_GREEN)
-			result = dal_fixed31_32_add(
-				dal_fixed31_32_mul(
+			result = dc_fixpt_add(
+				dc_fixpt_mul(
 					point->coeff,
-					dal_fixed31_32_sub(
+					dc_fixpt_sub(
 						rgb[point->right_index].g,
 						rgb[point->left_index].g)),
 				rgb[point->left_index].g);
 		else
-			result = dal_fixed31_32_add(
-				dal_fixed31_32_mul(
+			result = dc_fixpt_add(
+				dc_fixpt_mul(
 					point->coeff,
-					dal_fixed31_32_sub(
+					dc_fixpt_sub(
 						rgb[point->right_index].b,
 						rgb[point->left_index].b)),
 				rgb[point->left_index].b);
 	else if (point->pos == HW_POINT_POSITION_LEFT) {
 		BREAK_TO_DEBUGGER();
-		result = dal_fixed31_32_zero;
+		result = dc_fixpt_zero;
 	} else {
 		BREAK_TO_DEBUGGER();
-		result = dal_fixed31_32_one;
+		result = dc_fixpt_one;
 	}
 
 	return result;
@@ -558,7 +558,7 @@ static void build_pq(struct pwl_float_data_ex *rgb_regamma,
 	struct fixed31_32 x;
 	struct fixed31_32 output;
 	struct fixed31_32 scaling_factor =
-			dal_fixed31_32_from_fraction(sdr_white_level, 10000);
+			dc_fixpt_from_fraction(sdr_white_level, 10000);
 
 	if (!pq_initialized && sdr_white_level == 80) {
 		precompute_pq();
@@ -579,15 +579,15 @@ static void build_pq(struct pwl_float_data_ex *rgb_regamma,
 		if (sdr_white_level == 80) {
 			output = pq_table[i];
 		} else {
-			x = dal_fixed31_32_mul(coord_x->x, scaling_factor);
+			x = dc_fixpt_mul(coord_x->x, scaling_factor);
 			compute_pq(x, &output);
 		}
 
 		/* should really not happen? */
-		if (dal_fixed31_32_lt(output, dal_fixed31_32_zero))
-			output = dal_fixed31_32_zero;
-		else if (dal_fixed31_32_lt(dal_fixed31_32_one, output))
-			output = dal_fixed31_32_one;
+		if (dc_fixpt_lt(output, dc_fixpt_zero))
+			output = dc_fixpt_zero;
+		else if (dc_fixpt_lt(dc_fixpt_one, output))
+			output = dc_fixpt_one;
 
 		rgb->r = output;
 		rgb->g = output;
@@ -605,7 +605,7 @@ static void build_de_pq(struct pwl_float_data_ex *de_pq,
 	uint32_t i;
 	struct fixed31_32 output;
 
-	struct fixed31_32 scaling_factor = dal_fixed31_32_from_int(125);
+	struct fixed31_32 scaling_factor = dc_fixpt_from_int(125);
 
 	if (!de_pq_initialized) {
 		precompute_de_pq();
@@ -616,9 +616,9 @@ static void build_de_pq(struct pwl_float_data_ex *de_pq,
 	for (i = 0; i <= hw_points_num; i++) {
 		output = de_pq_table[i];
 		/* should really not happen? */
-		if (dal_fixed31_32_lt(output, dal_fixed31_32_zero))
-			output = dal_fixed31_32_zero;
-		else if (dal_fixed31_32_lt(scaling_factor, output))
+		if (dc_fixpt_lt(output, dc_fixpt_zero))
+			output = dc_fixpt_zero;
+		else if (dc_fixpt_lt(scaling_factor, output))
 			output = scaling_factor;
 		de_pq[i].r = output;
 		de_pq[i].g = output;
@@ -670,9 +670,9 @@ static void build_degamma(struct pwl_float_data_ex *curve,
 	end_index = begin_index + 12 * NUM_PTS_IN_REGION;
 
 	while (i != begin_index) {
-		curve[i].r = dal_fixed31_32_zero;
-		curve[i].g = dal_fixed31_32_zero;
-		curve[i].b = dal_fixed31_32_zero;
+		curve[i].r = dc_fixpt_zero;
+		curve[i].g = dc_fixpt_zero;
+		curve[i].b = dc_fixpt_zero;
 		i++;
 	}
 
@@ -684,9 +684,9 @@ static void build_degamma(struct pwl_float_data_ex *curve,
 		i++;
 	}
 	while (i != hw_points_num + 1) {
-		curve[i].r = dal_fixed31_32_one;
-		curve[i].g = dal_fixed31_32_one;
-		curve[i].b = dal_fixed31_32_one;
+		curve[i].r = dc_fixpt_one;
+		curve[i].g = dc_fixpt_one;
+		curve[i].b = dc_fixpt_one;
 		i++;
 	}
 }
@@ -695,8 +695,8 @@ static void scale_gamma(struct pwl_float_data *pwl_rgb,
 		const struct dc_gamma *ramp,
 		struct dividers dividers)
 {
-	const struct fixed31_32 max_driver = dal_fixed31_32_from_int(0xFFFF);
-	const struct fixed31_32 max_os = dal_fixed31_32_from_int(0xFF00);
+	const struct fixed31_32 max_driver = dc_fixpt_from_int(0xFFFF);
+	const struct fixed31_32 max_os = dc_fixpt_from_int(0xFF00);
 	struct fixed31_32 scaler = max_os;
 	uint32_t i;
 	struct pwl_float_data *rgb = pwl_rgb;
@@ -705,9 +705,9 @@ static void scale_gamma(struct pwl_float_data *pwl_rgb,
 	i = 0;
 
 	do {
-		if (dal_fixed31_32_lt(max_os, ramp->entries.red[i]) ||
-			dal_fixed31_32_lt(max_os, ramp->entries.green[i]) ||
-			dal_fixed31_32_lt(max_os, ramp->entries.blue[i])) {
+		if (dc_fixpt_lt(max_os, ramp->entries.red[i]) ||
+			dc_fixpt_lt(max_os, ramp->entries.green[i]) ||
+			dc_fixpt_lt(max_os, ramp->entries.blue[i])) {
 			scaler = max_driver;
 			break;
 		}
@@ -717,40 +717,40 @@ static void scale_gamma(struct pwl_float_data *pwl_rgb,
 	i = 0;
 
 	do {
-		rgb->r = dal_fixed31_32_div(
+		rgb->r = dc_fixpt_div(
 			ramp->entries.red[i], scaler);
-		rgb->g = dal_fixed31_32_div(
+		rgb->g = dc_fixpt_div(
 			ramp->entries.green[i], scaler);
-		rgb->b = dal_fixed31_32_div(
+		rgb->b = dc_fixpt_div(
 			ramp->entries.blue[i], scaler);
 
 		++rgb;
 		++i;
 	} while (i != ramp->num_entries);
 
-	rgb->r = dal_fixed31_32_mul(rgb_last->r,
+	rgb->r = dc_fixpt_mul(rgb_last->r,
 			dividers.divider1);
-	rgb->g = dal_fixed31_32_mul(rgb_last->g,
+	rgb->g = dc_fixpt_mul(rgb_last->g,
 			dividers.divider1);
-	rgb->b = dal_fixed31_32_mul(rgb_last->b,
+	rgb->b = dc_fixpt_mul(rgb_last->b,
 			dividers.divider1);
 
 	++rgb;
 
-	rgb->r = dal_fixed31_32_mul(rgb_last->r,
+	rgb->r = dc_fixpt_mul(rgb_last->r,
 			dividers.divider2);
-	rgb->g = dal_fixed31_32_mul(rgb_last->g,
+	rgb->g = dc_fixpt_mul(rgb_last->g,
 			dividers.divider2);
-	rgb->b = dal_fixed31_32_mul(rgb_last->b,
+	rgb->b = dc_fixpt_mul(rgb_last->b,
 			dividers.divider2);
 
 	++rgb;
 
-	rgb->r = dal_fixed31_32_mul(rgb_last->r,
+	rgb->r = dc_fixpt_mul(rgb_last->r,
 			dividers.divider3);
-	rgb->g = dal_fixed31_32_mul(rgb_last->g,
+	rgb->g = dc_fixpt_mul(rgb_last->g,
 			dividers.divider3);
-	rgb->b = dal_fixed31_32_mul(rgb_last->b,
+	rgb->b = dc_fixpt_mul(rgb_last->b,
 			dividers.divider3);
 }
 
@@ -759,62 +759,62 @@ static void scale_gamma_dx(struct pwl_float_data *pwl_rgb,
 		struct dividers dividers)
 {
 	uint32_t i;
-	struct fixed31_32 min = dal_fixed31_32_zero;
-	struct fixed31_32 max = dal_fixed31_32_one;
+	struct fixed31_32 min = dc_fixpt_zero;
+	struct fixed31_32 max = dc_fixpt_one;
 
-	struct fixed31_32 delta = dal_fixed31_32_zero;
-	struct fixed31_32 offset = dal_fixed31_32_zero;
+	struct fixed31_32 delta = dc_fixpt_zero;
+	struct fixed31_32 offset = dc_fixpt_zero;
 
 	for (i = 0 ; i < ramp->num_entries; i++) {
-		if (dal_fixed31_32_lt(ramp->entries.red[i], min))
+		if (dc_fixpt_lt(ramp->entries.red[i], min))
 			min = ramp->entries.red[i];
 
-		if (dal_fixed31_32_lt(ramp->entries.green[i], min))
+		if (dc_fixpt_lt(ramp->entries.green[i], min))
 			min = ramp->entries.green[i];
 
-		if (dal_fixed31_32_lt(ramp->entries.blue[i], min))
+		if (dc_fixpt_lt(ramp->entries.blue[i], min))
 			min = ramp->entries.blue[i];
 
-		if (dal_fixed31_32_lt(max, ramp->entries.red[i]))
+		if (dc_fixpt_lt(max, ramp->entries.red[i]))
 			max = ramp->entries.red[i];
 
-		if (dal_fixed31_32_lt(max, ramp->entries.green[i]))
+		if (dc_fixpt_lt(max, ramp->entries.green[i]))
 			max = ramp->entries.green[i];
 
-		if (dal_fixed31_32_lt(max, ramp->entries.blue[i]))
+		if (dc_fixpt_lt(max, ramp->entries.blue[i]))
 			max = ramp->entries.blue[i];
 	}
 
-	if (dal_fixed31_32_lt(min, dal_fixed31_32_zero))
-		delta = dal_fixed31_32_neg(min);
+	if (dc_fixpt_lt(min, dc_fixpt_zero))
+		delta = dc_fixpt_neg(min);
 
-	offset = dal_fixed31_32_add(min, max);
+	offset = dc_fixpt_add(min, max);
 
 	for (i = 0 ; i < ramp->num_entries; i++) {
-		pwl_rgb[i].r = dal_fixed31_32_div(
-			dal_fixed31_32_add(
+		pwl_rgb[i].r = dc_fixpt_div(
+			dc_fixpt_add(
 				ramp->entries.red[i], delta), offset);
-		pwl_rgb[i].g = dal_fixed31_32_div(
-			dal_fixed31_32_add(
+		pwl_rgb[i].g = dc_fixpt_div(
+			dc_fixpt_add(
 				ramp->entries.green[i], delta), offset);
-		pwl_rgb[i].b = dal_fixed31_32_div(
-			dal_fixed31_32_add(
+		pwl_rgb[i].b = dc_fixpt_div(
+			dc_fixpt_add(
 				ramp->entries.blue[i], delta), offset);
 
 	}
 
-	pwl_rgb[i].r =  dal_fixed31_32_sub(dal_fixed31_32_mul_int(
+	pwl_rgb[i].r =  dc_fixpt_sub(dc_fixpt_mul_int(
 				pwl_rgb[i-1].r, 2), pwl_rgb[i-2].r);
-	pwl_rgb[i].g =  dal_fixed31_32_sub(dal_fixed31_32_mul_int(
+	pwl_rgb[i].g =  dc_fixpt_sub(dc_fixpt_mul_int(
 				pwl_rgb[i-1].g, 2), pwl_rgb[i-2].g);
-	pwl_rgb[i].b =  dal_fixed31_32_sub(dal_fixed31_32_mul_int(
+	pwl_rgb[i].b =  dc_fixpt_sub(dc_fixpt_mul_int(
 				pwl_rgb[i-1].b, 2), pwl_rgb[i-2].b);
 	++i;
-	pwl_rgb[i].r =  dal_fixed31_32_sub(dal_fixed31_32_mul_int(
+	pwl_rgb[i].r =  dc_fixpt_sub(dc_fixpt_mul_int(
 				pwl_rgb[i-1].r, 2), pwl_rgb[i-2].r);
-	pwl_rgb[i].g =  dal_fixed31_32_sub(dal_fixed31_32_mul_int(
+	pwl_rgb[i].g =  dc_fixpt_sub(dc_fixpt_mul_int(
 				pwl_rgb[i-1].g, 2), pwl_rgb[i-2].g);
-	pwl_rgb[i].b =  dal_fixed31_32_sub(dal_fixed31_32_mul_int(
+	pwl_rgb[i].b =  dc_fixpt_sub(dc_fixpt_mul_int(
 				pwl_rgb[i-1].b, 2), pwl_rgb[i-2].b);
 }
 
@@ -846,40 +846,40 @@ static void scale_user_regamma_ramp(struct pwl_float_data *pwl_rgb,
 
 	i = 0;
 	do {
-		rgb->r = dal_fixed31_32_from_fraction(
+		rgb->r = dc_fixpt_from_fraction(
 				ramp->gamma[i], scaler);
-		rgb->g = dal_fixed31_32_from_fraction(
+		rgb->g = dc_fixpt_from_fraction(
 				ramp->gamma[i + 256], scaler);
-		rgb->b = dal_fixed31_32_from_fraction(
+		rgb->b = dc_fixpt_from_fraction(
 				ramp->gamma[i + 512], scaler);
 
 		++rgb;
 		++i;
 	} while (i != GAMMA_RGB_256_ENTRIES);
 
-	rgb->r = dal_fixed31_32_mul(rgb_last->r,
+	rgb->r = dc_fixpt_mul(rgb_last->r,
 			dividers.divider1);
-	rgb->g = dal_fixed31_32_mul(rgb_last->g,
+	rgb->g = dc_fixpt_mul(rgb_last->g,
 			dividers.divider1);
-	rgb->b = dal_fixed31_32_mul(rgb_last->b,
+	rgb->b = dc_fixpt_mul(rgb_last->b,
 			dividers.divider1);
 
 	++rgb;
 
-	rgb->r = dal_fixed31_32_mul(rgb_last->r,
+	rgb->r = dc_fixpt_mul(rgb_last->r,
 			dividers.divider2);
-	rgb->g = dal_fixed31_32_mul(rgb_last->g,
+	rgb->g = dc_fixpt_mul(rgb_last->g,
 			dividers.divider2);
-	rgb->b = dal_fixed31_32_mul(rgb_last->b,
+	rgb->b = dc_fixpt_mul(rgb_last->b,
 			dividers.divider2);
 
 	++rgb;
 
-	rgb->r = dal_fixed31_32_mul(rgb_last->r,
+	rgb->r = dc_fixpt_mul(rgb_last->r,
 			dividers.divider3);
-	rgb->g = dal_fixed31_32_mul(rgb_last->g,
+	rgb->g = dc_fixpt_mul(rgb_last->g,
 			dividers.divider3);
-	rgb->b = dal_fixed31_32_mul(rgb_last->b,
+	rgb->b = dc_fixpt_mul(rgb_last->b,
 			dividers.divider3);
 }
 
@@ -913,7 +913,7 @@ static void apply_lut_1d(
 	struct fixed31_32 lut2;
 	const int max_lut_index = 4095;
 	const struct fixed31_32 max_lut_index_f =
-			dal_fixed31_32_from_int_nonconst(max_lut_index);
+			dc_fixpt_from_int_nonconst(max_lut_index);
 	int32_t index = 0, index_next = 0;
 	struct fixed31_32 index_f;
 	struct fixed31_32 delta_lut;
@@ -931,10 +931,10 @@ static void apply_lut_1d(
 			else
 				regamma_y = &tf_pts->blue[i];
 
-			norm_y = dal_fixed31_32_mul(max_lut_index_f,
+			norm_y = dc_fixpt_mul(max_lut_index_f,
 						   *regamma_y);
-			index = dal_fixed31_32_floor(norm_y);
-			index_f = dal_fixed31_32_from_int_nonconst(index);
+			index = dc_fixpt_floor(norm_y);
+			index_f = dc_fixpt_from_int_nonconst(index);
 
 			if (index < 0 || index > max_lut_index)
 				continue;
@@ -953,11 +953,11 @@ static void apply_lut_1d(
 			}
 
 			// we have everything now, so interpolate
-			delta_lut = dal_fixed31_32_sub(lut2, lut1);
-			delta_index = dal_fixed31_32_sub(norm_y, index_f);
+			delta_lut = dc_fixpt_sub(lut2, lut1);
+			delta_index = dc_fixpt_sub(norm_y, index_f);
 
-			*regamma_y = dal_fixed31_32_add(lut1,
-				dal_fixed31_32_mul(delta_index, delta_lut));
+			*regamma_y = dc_fixpt_add(lut1,
+				dc_fixpt_mul(delta_index, delta_lut));
 		}
 	}
 }
@@ -973,7 +973,7 @@ static void build_evenly_distributed_points(
 	uint32_t i = 0;
 
 	do {
-		struct fixed31_32 value = dal_fixed31_32_from_fraction(i,
+		struct fixed31_32 value = dc_fixpt_from_fraction(i,
 			numberof_points - 1);
 
 		p->r = value;
@@ -984,21 +984,21 @@ static void build_evenly_distributed_points(
 		++i;
 	} while (i != numberof_points);
 
-	p->r = dal_fixed31_32_div(p_last->r, dividers.divider1);
-	p->g = dal_fixed31_32_div(p_last->g, dividers.divider1);
-	p->b = dal_fixed31_32_div(p_last->b, dividers.divider1);
+	p->r = dc_fixpt_div(p_last->r, dividers.divider1);
+	p->g = dc_fixpt_div(p_last->g, dividers.divider1);
+	p->b = dc_fixpt_div(p_last->b, dividers.divider1);
 
 	++p;
 
-	p->r = dal_fixed31_32_div(p_last->r, dividers.divider2);
-	p->g = dal_fixed31_32_div(p_last->g, dividers.divider2);
-	p->b = dal_fixed31_32_div(p_last->b, dividers.divider2);
+	p->r = dc_fixpt_div(p_last->r, dividers.divider2);
+	p->g = dc_fixpt_div(p_last->g, dividers.divider2);
+	p->b = dc_fixpt_div(p_last->b, dividers.divider2);
 
 	++p;
 
-	p->r = dal_fixed31_32_div(p_last->r, dividers.divider3);
-	p->g = dal_fixed31_32_div(p_last->g, dividers.divider3);
-	p->b = dal_fixed31_32_div(p_last->b, dividers.divider3);
+	p->r = dc_fixpt_div(p_last->r, dividers.divider3);
+	p->g = dc_fixpt_div(p_last->g, dividers.divider3);
+	p->b = dc_fixpt_div(p_last->b, dividers.divider3);
 }
 
 static inline void copy_rgb_regamma_to_coordinates_x(
@@ -1094,7 +1094,7 @@ static void interpolate_user_regamma(uint32_t hw_points_num,
 	struct fixed31_32 *tf_point;
 	struct fixed31_32 hw_x;
 	struct fixed31_32 norm_factor =
-			dal_fixed31_32_from_int_nonconst(255);
+			dc_fixpt_from_int_nonconst(255);
 	struct fixed31_32 norm_x;
 	struct fixed31_32 index_f;
 	struct fixed31_32 lut1;
@@ -1105,9 +1105,9 @@ static void interpolate_user_regamma(uint32_t hw_points_num,
 	i = 0;
 	/* fixed_pt library has problems handling too small values */
 	while (i != 32) {
-		tf_pts->red[i] = dal_fixed31_32_zero;
-		tf_pts->green[i] = dal_fixed31_32_zero;
-		tf_pts->blue[i] = dal_fixed31_32_zero;
+		tf_pts->red[i] = dc_fixpt_zero;
+		tf_pts->green[i] = dc_fixpt_zero;
+		tf_pts->blue[i] = dc_fixpt_zero;
 		++i;
 	}
 	while (i <= hw_points_num + 1) {
@@ -1129,12 +1129,12 @@ static void interpolate_user_regamma(uint32_t hw_points_num,
 			} else
 				hw_x = coordinates_x[i].x;
 
-			norm_x = dal_fixed31_32_mul(norm_factor, hw_x);
-			index = dal_fixed31_32_floor(norm_x);
+			norm_x = dc_fixpt_mul(norm_factor, hw_x);
+			index = dc_fixpt_floor(norm_x);
 			if (index < 0 || index > 255)
 				continue;
 
-			index_f = dal_fixed31_32_from_int_nonconst(index);
+			index_f = dc_fixpt_from_int_nonconst(index);
 			index_next = (index == 255) ? index : index + 1;
 
 			if (color == 0) {
@@ -1149,11 +1149,11 @@ static void interpolate_user_regamma(uint32_t hw_points_num,
 			}
 
 			// we have everything now, so interpolate
-			delta_lut = dal_fixed31_32_sub(lut2, lut1);
-			delta_index = dal_fixed31_32_sub(norm_x, index_f);
+			delta_lut = dc_fixpt_sub(lut2, lut1);
+			delta_index = dc_fixpt_sub(norm_x, index_f);
 
-			*tf_point = dal_fixed31_32_add(lut1,
-				dal_fixed31_32_mul(delta_index, delta_lut));
+			*tf_point = dc_fixpt_add(lut1,
+				dc_fixpt_mul(delta_index, delta_lut));
 		}
 		++i;
 	}
@@ -1168,15 +1168,15 @@ static void build_new_custom_resulted_curve(
 	i = 0;
 
 	while (i != hw_points_num + 1) {
-		tf_pts->red[i] = dal_fixed31_32_clamp(
-			tf_pts->red[i], dal_fixed31_32_zero,
-			dal_fixed31_32_one);
-		tf_pts->green[i] = dal_fixed31_32_clamp(
-			tf_pts->green[i], dal_fixed31_32_zero,
-			dal_fixed31_32_one);
-		tf_pts->blue[i] = dal_fixed31_32_clamp(
-			tf_pts->blue[i], dal_fixed31_32_zero,
-			dal_fixed31_32_one);
+		tf_pts->red[i] = dc_fixpt_clamp(
+			tf_pts->red[i], dc_fixpt_zero,
+			dc_fixpt_one);
+		tf_pts->green[i] = dc_fixpt_clamp(
+			tf_pts->green[i], dc_fixpt_zero,
+			dc_fixpt_one);
+		tf_pts->blue[i] = dc_fixpt_clamp(
+			tf_pts->blue[i], dc_fixpt_zero,
+			dc_fixpt_one);
 
 		++i;
 	}
@@ -1290,9 +1290,9 @@ bool mod_color_calculate_regamma_params(struct dc_transfer_func *output_tf,
 	if (!coeff)
 		goto coeff_alloc_fail;
 
-	dividers.divider1 = dal_fixed31_32_from_fraction(3, 2);
-	dividers.divider2 = dal_fixed31_32_from_int(2);
-	dividers.divider3 = dal_fixed31_32_from_fraction(5, 2);
+	dividers.divider1 = dc_fixpt_from_fraction(3, 2);
+	dividers.divider2 = dc_fixpt_from_int(2);
+	dividers.divider3 = dc_fixpt_from_fraction(5, 2);
 
 	tf = output_tf->tf;
 
@@ -1357,15 +1357,15 @@ bool calculate_user_regamma_coeff(struct dc_transfer_func *output_tf,
 	uint32_t i = 0;
 
 	do {
-		coeff.a0[i] = dal_fixed31_32_from_fraction(
+		coeff.a0[i] = dc_fixpt_from_fraction(
 				regamma->coeff.A0[i], 10000000);
-		coeff.a1[i] = dal_fixed31_32_from_fraction(
+		coeff.a1[i] = dc_fixpt_from_fraction(
 				regamma->coeff.A1[i], 1000);
-		coeff.a2[i] = dal_fixed31_32_from_fraction(
+		coeff.a2[i] = dc_fixpt_from_fraction(
 				regamma->coeff.A2[i], 1000);
-		coeff.a3[i] = dal_fixed31_32_from_fraction(
+		coeff.a3[i] = dc_fixpt_from_fraction(
 				regamma->coeff.A3[i], 1000);
-		coeff.user_gamma[i] = dal_fixed31_32_from_fraction(
+		coeff.user_gamma[i] = dc_fixpt_from_fraction(
 				regamma->coeff.gamma[i], 1000);
 
 		++i;
@@ -1374,9 +1374,9 @@ bool calculate_user_regamma_coeff(struct dc_transfer_func *output_tf,
 	i = 0;
 	/* fixed_pt library has problems handling too small values */
 	while (i != 32) {
-		output_tf->tf_pts.red[i] = dal_fixed31_32_zero;
-		output_tf->tf_pts.green[i] = dal_fixed31_32_zero;
-		output_tf->tf_pts.blue[i] = dal_fixed31_32_zero;
+		output_tf->tf_pts.red[i] = dc_fixpt_zero;
+		output_tf->tf_pts.green[i] = dc_fixpt_zero;
+		output_tf->tf_pts.blue[i] = dc_fixpt_zero;
 		++coord_x;
 		++i;
 	}
@@ -1423,9 +1423,9 @@ bool calculate_user_regamma_ramp(struct dc_transfer_func *output_tf,
 	if (!rgb_regamma)
 		goto rgb_regamma_alloc_fail;
 
-	dividers.divider1 = dal_fixed31_32_from_fraction(3, 2);
-	dividers.divider2 = dal_fixed31_32_from_int(2);
-	dividers.divider3 = dal_fixed31_32_from_fraction(5, 2);
+	dividers.divider1 = dc_fixpt_from_fraction(3, 2);
+	dividers.divider2 = dc_fixpt_from_int(2);
+	dividers.divider3 = dc_fixpt_from_fraction(5, 2);
 
 	scale_user_regamma_ramp(rgb_user, &regamma->ramp, dividers);
 
@@ -1496,9 +1496,9 @@ bool mod_color_calculate_degamma_params(struct dc_transfer_func *input_tf,
 	if (!coeff)
 		goto coeff_alloc_fail;
 
-	dividers.divider1 = dal_fixed31_32_from_fraction(3, 2);
-	dividers.divider2 = dal_fixed31_32_from_int(2);
-	dividers.divider3 = dal_fixed31_32_from_fraction(5, 2);
+	dividers.divider1 = dc_fixpt_from_fraction(3, 2);
+	dividers.divider2 = dc_fixpt_from_int(2);
+	dividers.divider3 = dc_fixpt_from_fraction(5, 2);
 
 	tf = input_tf->tf;