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authorDmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>2018-05-17 10:08:10 -0400
committerAlex Deucher <alexander.deucher@amd.com>2018-05-29 13:28:29 -0500
commit0b19fdc45feffd7569c081fe32a258df3c8ebb9b (patch)
treef8849bc08481e64565e3e246e1c2311a95c50535 /drivers/gpu/drm/amd/display/dc/basics
parentdf099b9b60c6c378b1cd2024d1a21a87459b6614 (diff)
drm/amd/display: fix dscl_manual_ratio_init
This change will fix wb and display scaling when ratios of 4 or more are involved Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Acked-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/basics')
-rw-r--r--drivers/gpu/drm/amd/display/dc/basics/fixpt31_32.c5
1 files changed, 5 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 e61dd97d0928..f28989860fd8 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_u3d19(struct fixed31_32 arg)
+{
+ return ux_dy(arg.value, 3, 19);
+}
+
unsigned int dc_fixpt_u2d19(struct fixed31_32 arg)
{
return ux_dy(arg.value, 2, 19);