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| author | Harry Wentland <harry.wentland@amd.com> | 2024-12-19 21:33:08 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-03-22 12:56:51 -0700 |
| commit | 16d35c2725857954a3adbea74f0aa2aaac880ab2 (patch) | |
| tree | 49f6a2652149d831ac2ce8dda360df5b23c29b3b /drivers/gpu | |
| parent | e008b2fbcca3a5a2312d771499fb16397071e96c (diff) | |
| download | linux-16d35c2725857954a3adbea74f0aa2aaac880ab2.tar.gz linux-16d35c2725857954a3adbea74f0aa2aaac880ab2.tar.bz2 linux-16d35c2725857954a3adbea74f0aa2aaac880ab2.zip | |
drm/vkms: Round fixp2int conversion in lerp_u16
[ Upstream commit 8ec43c58d3be615a71548bc09148212013fb7e5f ]
fixp2int always rounds down, fixp2int_ceil rounds up. We need
the new fixp2int_round.
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Louis Chauvet <louis.chauvet@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241220043410.416867-3-alex.hung@amd.com
Signed-off-by: Louis Chauvet <louis.chauvet@bootlin.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/vkms/vkms_composer.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/vkms/vkms_composer.c b/drivers/gpu/drm/vkms/vkms_composer.c index 3f0977d746be..87dfb9f69ee5 100644 --- a/drivers/gpu/drm/vkms/vkms_composer.c +++ b/drivers/gpu/drm/vkms/vkms_composer.c @@ -98,7 +98,7 @@ static u16 lerp_u16(u16 a, u16 b, s64 t) s64 delta = drm_fixp_mul(b_fp - a_fp, t); - return drm_fixp2int(a_fp + delta); + return drm_fixp2int_round(a_fp + delta); } static s64 get_lut_index(const struct vkms_color_lut *lut, u16 channel_value) |