[PATCH] drm/amd/display: Use msleep instead of udelay for 8ms wait

Harry Wentland harry.wentland at amd.com
Tue Jun 25 14:00:46 UTC 2019


arm32's udelay only allows values up to 2000 microseconds. msleep
does the trick for us here as there is no problem if this isn't
microsecond accurate and takes a tad longer.

Signed-off-by: Harry Wentland <harry.wentland at amd.com>
---
 drivers/gpu/drm/amd/display/dc/core/dc_link.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
index 4c31930f1cdf..f5d02f89b3f9 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -548,7 +548,7 @@ static void read_edp_current_link_settings_on_detect(struct dc_link *link)
 			break;
 		}
 
-		udelay(8000);
+		msleep(8);
 	}
 
 	ASSERT(status == DC_OK);
-- 
2.22.0



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