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From 294e7992f0fa86524d2272ce0bdbd8db3b776184 Mon Sep 17 00:00:00 2001
From: Vitaly Prosyak <vitaly.prosyak@amd.com>
Date: Fri, 24 Nov 2017 15:52:33 -0600
Subject: [PATCH 2923/4131] drm/amd/display: Correct fixed point calculation.
When convert from fixed31_32 to other fixed point
format use math operation round instead of floor.
Signed-off-by: Vitaly Prosyak <vitaly.prosyak@amd.com>
Reviewed-by: Roman Li <Roman.Li@amd.com>
Reviewed-by: Krunoslav Kovac <Krunoslav.Kovac@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
---
drivers/gpu/drm/amd/display/dc/basics/conversion.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/basics/conversion.c b/drivers/gpu/drm/amd/display/dc/basics/conversion.c
index 23c9a0e..3109649 100644
--- a/drivers/gpu/drm/amd/display/dc/basics/conversion.c
+++ b/drivers/gpu/drm/amd/display/dc/basics/conversion.c
@@ -46,7 +46,7 @@ uint16_t fixed_point_to_int_frac(
arg));
if (d <= (uint16_t)(1 << integer_bits) - (1 / (uint16_t)divisor))
- numerator = (uint16_t)dal_fixed31_32_floor(
+ numerator = (uint16_t)dal_fixed31_32_round(
dal_fixed31_32_mul_int(
arg,
divisor));
--
2.7.4
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