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drm/vkms: Round fixp2int conversion in lerp_u16

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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>
This commit is contained in:
Harry Wentland 2024-12-19 21:33:08 -07:00 • committed by Louis Chauvet
parent 511a3444f7
commit 8ec43c58d3
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GPG key ID: 20AD2EC65B102CE2
1 changed files with 1 additions and 1 deletions
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drivers/gpu/drm/vkms/vkms_composer.c
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@ -67,7 +67,7 @@ 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)