From: Eric Yang <Eric.Yang2@amd.com>
Date: Wed, 26 Jul 2017 16:15:26 -0400
Subject: drm/amd/display: reduce 40s time out to 1s in disable crtc
Git-commit: 4d6356b0cc264686597aac2d04886cbfd8607f09
Patch-mainline: v4.15-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

Signed-off-by: Eric Yang <Eric.Yang2@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>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/amd/display/dc/dcn10/dcn10_timing_generator.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_timing_generator.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_timing_generator.c
@@ -429,7 +429,7 @@ static bool tgn10_disable_crtc(struct ti
 	/* CRTC disabled, so disable  clock. */
 	REG_WAIT(OTG_CLOCK_CONTROL,
 			OTG_BUSY, 0,
-			2000, 20000);
+			2000, 500);
 
 	return true;
 }