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| author | Vitaly Prosyak <vitaly.prosyak@amd.com> | 2017-11-24 15:52:33 -0600 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-12-14 10:57:36 -0500 |
| commit | 508f60e36a4288beb920b921924742c2b3e12a0d (patch) | |
| tree | 63859abb0e577ee17b7ca2c723d4b023d345e676 /drivers/gpu/drm/amd | |
| parent | 40e045a9733f3c032ff957d9663c106c82fd5343 (diff) | |
| download | lwn-508f60e36a4288beb920b921924742c2b3e12a0d.tar.gz lwn-508f60e36a4288beb920b921924742c2b3e12a0d.zip | |
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>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/basics/conversion.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/basics/conversion.c b/drivers/gpu/drm/amd/display/dc/basics/conversion.c index 23c9a0ec0181..310964915a83 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)); |