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 at amd.com> Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin at amd.com> Acked-by: Harry Wentland <Harry.Wentland at amd.com> --- drivers/gpu/drm/amd/display/dc/calcs/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/calcs/Makefile b/drivers/gpu/drm/amd/display/dc/calcs/Makefile index a095472bf4b5..41ef35995b02 100644 --- a/drivers/gpu/drm/amd/display/dc/calcs/Makefile +++ b/drivers/gpu/drm/amd/display/dc/calcs/Makefile @@ -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 -- 2.14.1
