diff options
| author | Tyler DiBattista <tyler.dibattista@amd.com> | 2019-02-11 11:22:49 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-03-19 15:04:02 -0500 |
| commit | 7cef6a120ec4d04c204b2caac226af473b67e410 (patch) | |
| tree | 8b68cceafa81753c7c77bd09cb63ebdd5544cc03 /drivers/gpu/drm | |
| parent | e85c2d63a1c480c3e961a301c8c7691dc0bb841b (diff) | |
drm/amd/display: Add function to create 4d19 fixed point
[Why]
Implemented for future use
Signed-off-by: Tyler DiBattista <tyler.dibattista@amd.com>
Reviewed-by: Eric Bernstein <Eric.Bernstein@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/basics/fixpt31_32.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/include/fixed31_32.h | 2 |
2 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/basics/fixpt31_32.c b/drivers/gpu/drm/amd/display/dc/basics/fixpt31_32.c index f28989860fd8..1e9a2d352068 100644 --- a/drivers/gpu/drm/amd/display/dc/basics/fixpt31_32.c +++ b/drivers/gpu/drm/amd/display/dc/basics/fixpt31_32.c @@ -449,6 +449,11 @@ static inline unsigned int clamp_ux_dy( return min_clamp; } +unsigned int dc_fixpt_u4d19(struct fixed31_32 arg) +{ + return ux_dy(arg.value, 4, 19); +} + unsigned int dc_fixpt_u3d19(struct fixed31_32 arg) { return ux_dy(arg.value, 3, 19); diff --git a/drivers/gpu/drm/amd/display/include/fixed31_32.h b/drivers/gpu/drm/amd/display/include/fixed31_32.h index 52a73332befb..89ef9f6860e5 100644 --- a/drivers/gpu/drm/amd/display/include/fixed31_32.h +++ b/drivers/gpu/drm/amd/display/include/fixed31_32.h @@ -503,6 +503,8 @@ static inline int dc_fixpt_ceil(struct fixed31_32 arg) * fractional */ +unsigned int dc_fixpt_u4d19(struct fixed31_32 arg); + unsigned int dc_fixpt_u3d19(struct fixed31_32 arg); unsigned int dc_fixpt_u2d19(struct fixed31_32 arg); |