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drm/amd/display: Ignore wrong tautological warning 

Some of our HW calcs functions compares a var against
itself to check for NaN. Gcc isn't fond of it and wrongfully
warns about a tautological comparison. Disable this check
for dcn_calcs_math.c.

Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Harry Wentland 2017-10-02 15:27:26 -04:00 committed by Alex Deucher
parent 8459f633b6
commit 410d0b39e2
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/display/dc/calcs/Makefile
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@ -5,7 +5,7 @@
CFLAGS_dcn_calcs.o := -mhard-float -msse -mpreferred-stack-boundary=4
CFLAGS_dcn_calc_auto.o := -mhard-float -msse -mpreferred-stack-boundary=4
CFLAGS_dcn_calc_math.o := -mhard-float -msse -mpreferred-stack-boundary=4
CFLAGS_dcn_calc_math.o := -mhard-float -msse -mpreferred-stack-boundary=4 -Wno-tautological-compare
BW_CALCS = dce_calcs.o bw_fixed.o custom_float.o