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| author | Matthias Kaehlcke <mka@chromium.org> | 2018-02-08 12:53:16 -0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-02-19 14:19:51 -0500 |
| commit | cc32ad8f559c36ca2433d282aff690a6842a3a27 (patch) | |
| tree | 27c5aa1a70799c5f731f33893163e8bfb94b4df1 /drivers/gpu/drm/amd/display/dc/calcs/Makefile | |
| parent | 4769278e5c7fd2be445e4a34f834d40475fcb0ce (diff) | |
| download | linux-cc32ad8f559c36ca2433d282aff690a6842a3a27.tar.gz | |
amdgpu/dc/calcs: Support clang option for stack alignment
calcs uses the compiler option -mpreferred-stack-boundary=4 to configure
a stack alignment of 16 bytes. Clang uses the option -mstack-alignment
instead, which expects as parameter the alignment in bytes, and not a
power of two like -mpreferred-stack-boundary.
Probe for both compiler options and use the correct one, similar to
what is done in arch/x86/Makefile.
Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Reviewed-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/calcs/Makefile')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/calcs/Makefile | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/calcs/Makefile b/drivers/gpu/drm/amd/display/dc/calcs/Makefile index af0f452f3c9f..95f332ee3e7e 100644 --- a/drivers/gpu/drm/amd/display/dc/calcs/Makefile +++ b/drivers/gpu/drm/amd/display/dc/calcs/Makefile @@ -24,7 +24,13 @@ # It calculates Bandwidth and Watermarks values for HW programming # -calcs_ccflags := -mhard-float -msse -mpreferred-stack-boundary=4 +ifneq ($(call cc-option, -mpreferred-stack-boundary=4),) + cc_stack_align := -mpreferred-stack-boundary=4 +else ifneq ($(call cc-option, -mstack-alignment=16),) + cc_stack_align := -mstack-alignment=16 +endif + +calcs_ccflags := -mhard-float -msse $(cc_stack_align) CFLAGS_dcn_calcs.o := $(calcs_ccflags) CFLAGS_dcn_calc_auto.o := $(calcs_ccflags) |