amdgpu/dc/calcs: Support clang option for stack alignment

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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>

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Matthias Kaehlcke 2018-02-08 12:53:16 -08:00 • committed by Alex Deucher

parent 4769278e5c

commit cc32ad8f55

1 changed files with 7 additions and 1 deletions

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drivers/gpu/drm/amd/display/dc/calcs/Makefile

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