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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-10 21:56:47 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-10 21:56:47 -0800 |
| commit | 3ef884b4c04e857c283cc77ca70ad8f638d94b0e (patch) | |
| tree | c8c5b872e836e6ffe8bd08ab3477f9e8260575ed /drivers/gpu/drm/radeon/radeon_fixed.h | |
| parent | 4e5df8069b0e4e36c6b528b3be7da298e6f454cd (diff) | |
| parent | 4361e52ad0372e6fd2240a2207b49a4de1f45ca9 (diff) | |
Merge branch 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (189 commits)
drm/radeon/kms: fix warning about cur_placement being uninitialised.
drm/ttm: Print debug information on memory manager when eviction fails
drm: Add memory manager debug function
drm/radeon/kms: restore surface registers on resume.
drm/radeon/kms/r600/r700: fallback gracefully on ucode failure
drm/ttm: Initialize eviction placement in case the driver callback doesn't
drm/radeon/kms: cleanup structure and module if initialization fails
drm/radeon/kms: actualy set the eviction placements we choose
drm/radeon/kms: Fix NULL ptr dereference
drm/radeon/kms/avivo: add support for new pll selection algo
drm/radeon/kms/avivo: fix some bugs in the display bandwidth setup
drm/radeon/kms: fix return value from fence function.
drm/radeon: Remove tests for -ERESTART from the TTM code.
drm/ttm: Have the TTM code return -ERESTARTSYS instead of -ERESTART.
drm/radeon/kms: Convert radeon to new TTM validation API (V2)
drm/ttm: Rework validation & memory space allocation (V3)
drm: Add search/get functions to get a block in a specific range
drm/radeon/kms: fix avivo tiling regression since radeon object rework
drm/i915: Remove a debugging printk from hangcheck
drm/radeon/kms: make sure i2c id matches
...
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); |