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author | Jiri Kosina <jkosina@suse.cz> | 2010-02-02 23:10:39 +0100 |
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committer | Jiri Kosina <jkosina@suse.cz> | 2010-02-02 23:10:39 +0100 |
commit | e1a0bdd8022317e98650e70850de73eccfcde5ad (patch) | |
tree | 462f63307118b95c8cbacee6954e4d09ee85b8d1 /drivers/gpu/drm/radeon/radeon_fixed.h | |
parent | 8127f4e883666c9960cfa89cffd36313748f8bab (diff) | |
parent | 1a45dcfe2525e9432cb4aba461d4994fc2befe42 (diff) |
Merge branch 'master' into upstream
Conflicts:
drivers/hid/hid-ids.h
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_fixed.h')
-rw-r--r-- | drivers/gpu/drm/radeon/radeon_fixed.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_fixed.h b/drivers/gpu/drm/radeon/radeon_fixed.h index 90187d17384..3d4d84e078a 100644 --- a/drivers/gpu/drm/radeon/radeon_fixed.h +++ b/drivers/gpu/drm/radeon/radeon_fixed.h @@ -38,6 +38,23 @@ typedef union rfixed { #define fixed_init_half(A) { .full = rfixed_const_half((A)) } #define rfixed_trunc(A) ((A).full >> 12) +static inline u32 rfixed_floor(fixed20_12 A) +{ + u32 non_frac = rfixed_trunc(A); + + return rfixed_const(non_frac); +} + +static inline u32 rfixed_ceil(fixed20_12 A) +{ + u32 non_frac = rfixed_trunc(A); + + if (A.full > rfixed_const(non_frac)) + return rfixed_const(non_frac + 1); + else + return rfixed_const(non_frac); +} + static inline u32 rfixed_div(fixed20_12 A, fixed20_12 B) { u64 tmp = ((u64)A.full << 13); |