summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/amd/display/dc/basics
diff options
context:
space:
mode:
authorDmytro Laktyushkin2018-05-17 16:08:10 +0200
committerAlex Deucher2018-05-29 20:28:29 +0200
commit0b19fdc45feffd7569c081fe32a258df3c8ebb9b (patch)
treef8849bc08481e64565e3e246e1c2311a95c50535 /drivers/gpu/drm/amd/display/dc/basics
parentdrm/amd/display: Destroy connector state on reset (diff)
downloadkernel-qcow2-linux-0b19fdc45feffd7569c081fe32a258df3c8ebb9b.tar.gz
kernel-qcow2-linux-0b19fdc45feffd7569c081fe32a258df3c8ebb9b.tar.xz
kernel-qcow2-linux-0b19fdc45feffd7569c081fe32a258df3c8ebb9b.zip
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);