From: Eric Yang <eric.ya...@amd.com>

Change-Id: I1259c3903bbdc35d31153ff0247f5eea7b73ad3d
Signed-off-by: Eric Yang <eric.ya...@amd.com>
Reviewed-by: Tony Cheng <tony.ch...@amd.com>
Acked-by: Harry Wentland <harry.wentl...@amd.com>
---
 drivers/gpu/drm/amd/display/dc/dc_helper.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dc_helper.c 
b/drivers/gpu/drm/amd/display/dc/dc_helper.c
index 87b7f6f8870e..f219bd2068e5 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_helper.c
+++ b/drivers/gpu/drm/amd/display/dc/dc_helper.c
@@ -143,11 +143,10 @@ uint32_t generic_reg_wait(const struct dc_context *ctx,
 
        for (i = 0; i <= time_out_num_tries; i++) {
                if (i) {
-                       if (0 < delay_between_poll_us && delay_between_poll_us 
< 1000)
-                               udelay(delay_between_poll_us);
-
-                       if (delay_between_poll_us > 1000)
+                       if (delay_between_poll_us >= 1000)
                                msleep(delay_between_poll_us/1000);
+                       else if (delay_between_poll_us > 0)
+                               udelay(delay_between_poll_us);
                }
 
                reg_val = dm_read_reg(ctx, addr);
-- 
2.11.0

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