Commit f7f6c340 authored by Robert Morell's avatar Robert Morell Committed by Dave Airlie
Browse files

drm: fixed: Add dfixed_frac



This helper macro retrieves the fractional part of a fixed20_12 20.12
fixed-point number.
Signed-off-by: default avatarRobert Morell <rmorell@nvidia.com>
Signed-off-by: default avatarOlof Johansson <olofj@chromium.org>
Signed-off-by: default avatarThierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 398b4706
......@@ -37,6 +37,7 @@ typedef union dfixed {
#define dfixed_init(A) { .full = dfixed_const((A)) }
#define dfixed_init_half(A) { .full = dfixed_const_half((A)) }
#define dfixed_trunc(A) ((A).full >> 12)
#define dfixed_frac(A) ((A).full & ((1 << 12) - 1))
static inline u32 dfixed_floor(fixed20_12 A)
{
......
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