From: Dmytro Laktyushkin <dmytro.laktyush...@amd.com>

Change-Id: I237ee9baaeb91434d94abe0b2ce052f9f4f67799
Signed-off-by: Dmytro Laktyushkin <dmytro.laktyush...@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, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dc_helper.c 
b/drivers/gpu/drm/amd/display/dc/dc_helper.c
index 0d84b2a1ccfd..c584252669fd 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_helper.c
+++ b/drivers/gpu/drm/amd/display/dc/dc_helper.c
@@ -156,8 +156,13 @@ uint32_t generic_reg_wait(const struct dc_context *ctx,
 
                field_value = get_reg_field_value_ex(reg_val, mask, shift);
 
-               if (field_value == condition_value)
+               if (field_value == condition_value) {
+                       if (i * delay_between_poll_us > 1000)
+                               dm_output_to_console("REG_WAIT taking a while: 
%dms in %s line:%d\n",
+                                               delay_between_poll_us * i / 
1000,
+                                               func_name, line);
                        return reg_val;
+               }
        }
 
        dm_error("REG_WAIT timeout %dus * %d tries - %s line:%d\n",
-- 
2.14.1

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