amdgpu/dc: allow inlining constant int to fixed a lot better.

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This uses two things that might be Linux specific,
__builtin_constant_p (might be gcc)
and
BUILD_BUG_ON. (maybe other dm's can have something similiar).

This saves 4k in the bw calcs code.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Dave Airlie 2017-09-29 17:13:25 +10:00 • committed by Alex Deucher

parent 1fcd8c53b0

commit dfd1e5ce67

2 changed files with 35 additions and 28 deletions

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37

drivers/gpu/drm/amd/display/dc/calcs/bw_fixed.c

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26

drivers/gpu/drm/amd/display/dc/inc/bw_fixed.h

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