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>

1 files changed, 0 insertions, 161 deletions

diff --git a/drivers/gpu/drm/amd/display/dc/basics/fixpt32_32.c b/drivers/gpu/drm/amd/display/dc/basics/fixpt32_32.c
deleted file mode 100644
index 4d3aaa82a07b..000000000000
--- a/drivers/gpu/drm/amd/display/dc/basics/fixpt32_32.c
+++ /dev/null
@@ -1,161 +0,0 @@
-/*
- * 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;
-}
-