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authorDmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>2018-04-18 13:54:24 -0400
committerAlex Deucher <alexander.deucher@amd.com>2018-05-18 16:08:22 -0500
commitf3ba7a2fd1ebffe7fc6a9c524754db05dcd0c0e4 (patch)
tree7a4d2ac17787843293289c576aeb63929c9c25e3 /drivers/gpu/drm/amd/display/dc/basics
parenteb0e515464e4a1be730c7ac7a01c3ba04c98ea97 (diff)
downloadlinux-f3ba7a2fd1ebffe7fc6a9c524754db05dcd0c0e4.tar.bz2
drm/amd/display: inline more of fixed point code
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>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/basics')
-rw-r--r--drivers/gpu/drm/amd/display/dc/basics/fixpt31_32.c156
1 files changed, 15 insertions, 141 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/basics/fixpt31_32.c b/drivers/gpu/drm/amd/display/dc/basics/fixpt31_32.c
index e398ecdf742c..e61dd97d0928 100644
--- a/drivers/gpu/drm/amd/display/dc/basics/fixpt31_32.c
+++ b/drivers/gpu/drm/amd/display/dc/basics/fixpt31_32.c
@@ -64,9 +64,7 @@ static inline unsigned long long complete_integer_division_u64(
#define GET_FRACTIONAL_PART(x) \
(FRACTIONAL_PART_MASK & (x))
-struct fixed31_32 dc_fixpt_from_fraction(
- long long numerator,
- long long denominator)
+struct fixed31_32 dc_fixpt_from_fraction(long long numerator, long long denominator)
{
struct fixed31_32 res;
@@ -118,63 +116,7 @@ struct fixed31_32 dc_fixpt_from_fraction(
return res;
}
-struct fixed31_32 dc_fixpt_from_int_nonconst(
- long long arg)
-{
- struct fixed31_32 res;
-
- ASSERT((LONG_MIN <= arg) && (arg <= LONG_MAX));
-
- res.value = arg << FIXED31_32_BITS_PER_FRACTIONAL_PART;
-
- return res;
-}
-
-struct fixed31_32 dc_fixpt_shl(
- struct fixed31_32 arg,
- unsigned char shift)
-{
- struct fixed31_32 res;
-
- ASSERT(((arg.value >= 0) && (arg.value <= LLONG_MAX >> shift)) ||
- ((arg.value < 0) && (arg.value >= LLONG_MIN >> shift)));
-
- res.value = arg.value << shift;
-
- return res;
-}
-
-struct fixed31_32 dc_fixpt_add(
- struct fixed31_32 arg1,
- struct fixed31_32 arg2)
-{
- struct fixed31_32 res;
-
- ASSERT(((arg1.value >= 0) && (LLONG_MAX - arg1.value >= arg2.value)) ||
- ((arg1.value < 0) && (LLONG_MIN - arg1.value <= arg2.value)));
-
- res.value = arg1.value + arg2.value;
-
- return res;
-}
-
-struct fixed31_32 dc_fixpt_sub(
- struct fixed31_32 arg1,
- struct fixed31_32 arg2)
-{
- struct fixed31_32 res;
-
- ASSERT(((arg2.value >= 0) && (LLONG_MIN + arg2.value <= arg1.value)) ||
- ((arg2.value < 0) && (LLONG_MAX + arg2.value >= arg1.value)));
-
- res.value = arg1.value - arg2.value;
-
- return res;
-}
-
-struct fixed31_32 dc_fixpt_mul(
- struct fixed31_32 arg1,
- struct fixed31_32 arg2)
+struct fixed31_32 dc_fixpt_mul(struct fixed31_32 arg1, struct fixed31_32 arg2)
{
struct fixed31_32 res;
@@ -225,8 +167,7 @@ struct fixed31_32 dc_fixpt_mul(
return res;
}
-struct fixed31_32 dc_fixpt_sqr(
- struct fixed31_32 arg)
+struct fixed31_32 dc_fixpt_sqr(struct fixed31_32 arg)
{
struct fixed31_32 res;
@@ -266,8 +207,7 @@ struct fixed31_32 dc_fixpt_sqr(
return res;
}
-struct fixed31_32 dc_fixpt_recip(
- struct fixed31_32 arg)
+struct fixed31_32 dc_fixpt_recip(struct fixed31_32 arg)
{
/*
* @note
@@ -281,8 +221,7 @@ struct fixed31_32 dc_fixpt_recip(
arg.value);
}
-struct fixed31_32 dc_fixpt_sinc(
- struct fixed31_32 arg)
+struct fixed31_32 dc_fixpt_sinc(struct fixed31_32 arg)
{
struct fixed31_32 square;
@@ -326,16 +265,14 @@ struct fixed31_32 dc_fixpt_sinc(
return res;
}
-struct fixed31_32 dc_fixpt_sin(
- struct fixed31_32 arg)
+struct fixed31_32 dc_fixpt_sin(struct fixed31_32 arg)
{
return dc_fixpt_mul(
arg,
dc_fixpt_sinc(arg));
}
-struct fixed31_32 dc_fixpt_cos(
- struct fixed31_32 arg)
+struct fixed31_32 dc_fixpt_cos(struct fixed31_32 arg)
{
/* TODO implement argument normalization */
@@ -367,8 +304,7 @@ struct fixed31_32 dc_fixpt_cos(
*
* Calculated as Taylor series.
*/
-static struct fixed31_32 fixed31_32_exp_from_taylor_series(
- struct fixed31_32 arg)
+static struct fixed31_32 fixed31_32_exp_from_taylor_series(struct fixed31_32 arg)
{
unsigned int n = 9;
@@ -396,8 +332,7 @@ static struct fixed31_32 fixed31_32_exp_from_taylor_series(
res));
}
-struct fixed31_32 dc_fixpt_exp(
- struct fixed31_32 arg)
+struct fixed31_32 dc_fixpt_exp(struct fixed31_32 arg)
{
/*
* @brief
@@ -440,8 +375,7 @@ struct fixed31_32 dc_fixpt_exp(
return dc_fixpt_one;
}
-struct fixed31_32 dc_fixpt_log(
- struct fixed31_32 arg)
+struct fixed31_32 dc_fixpt_log(struct fixed31_32 arg)
{
struct fixed31_32 res = dc_fixpt_neg(dc_fixpt_one);
/* TODO improve 1st estimation */
@@ -472,61 +406,6 @@ struct fixed31_32 dc_fixpt_log(
return res;
}
-struct fixed31_32 dc_fixpt_pow(
- struct fixed31_32 arg1,
- struct fixed31_32 arg2)
-{
- return dc_fixpt_exp(
- dc_fixpt_mul(
- dc_fixpt_log(arg1),
- arg2));
-}
-
-int dc_fixpt_floor(
- struct fixed31_32 arg)
-{
- unsigned long long arg_value = abs_i64(arg.value);
-
- if (arg.value >= 0)
- return (int)GET_INTEGER_PART(arg_value);
- else
- return -(int)GET_INTEGER_PART(arg_value);
-}
-
-int dc_fixpt_round(
- struct fixed31_32 arg)
-{
- unsigned long long arg_value = abs_i64(arg.value);
-
- const long long summand = dc_fixpt_half.value;
-
- ASSERT(LLONG_MAX - (long long)arg_value >= summand);
-
- arg_value += summand;
-
- if (arg.value >= 0)
- return (int)GET_INTEGER_PART(arg_value);
- else
- return -(int)GET_INTEGER_PART(arg_value);
-}
-
-int dc_fixpt_ceil(
- struct fixed31_32 arg)
-{
- unsigned long long arg_value = abs_i64(arg.value);
-
- const long long summand = dc_fixpt_one.value -
- dc_fixpt_epsilon.value;
-
- ASSERT(LLONG_MAX - (long long)arg_value >= summand);
-
- arg_value += summand;
-
- if (arg.value >= 0)
- return (int)GET_INTEGER_PART(arg_value);
- else
- return -(int)GET_INTEGER_PART(arg_value);
-}
/* this function is a generic helper to translate fixed point value to
* specified integer format that will consist of integer_bits integer part and
@@ -570,32 +449,27 @@ static inline unsigned int clamp_ux_dy(
return min_clamp;
}
-unsigned int dc_fixpt_u2d19(
- struct fixed31_32 arg)
+unsigned int dc_fixpt_u2d19(struct fixed31_32 arg)
{
return ux_dy(arg.value, 2, 19);
}
-unsigned int dc_fixpt_u0d19(
- struct fixed31_32 arg)
+unsigned int dc_fixpt_u0d19(struct fixed31_32 arg)
{
return ux_dy(arg.value, 0, 19);
}
-unsigned int dc_fixpt_clamp_u0d14(
- struct fixed31_32 arg)
+unsigned int dc_fixpt_clamp_u0d14(struct fixed31_32 arg)
{
return clamp_ux_dy(arg.value, 0, 14, 1);
}
-unsigned int dc_fixpt_clamp_u0d10(
- struct fixed31_32 arg)
+unsigned int dc_fixpt_clamp_u0d10(struct fixed31_32 arg)
{
return clamp_ux_dy(arg.value, 0, 10, 1);
}
-int dc_fixpt_s4d19(
- struct fixed31_32 arg)
+int dc_fixpt_s4d19(struct fixed31_32 arg)
{
if (arg.value < 0)
return -(int)ux_dy(dc_fixpt_abs(arg).value, 4, 19);