drm/amd/display: reduce 40s time out to 1s in disable crtc

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>

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_timing_generator.c

@@ -429,7 +429,7 @@ static bool tgn10_disable_crtc(struct timing_generator *tg)
 	/* CRTC disabled, so disable  clock. */
 	REG_WAIT(OTG_CLOCK_CONTROL,
 			OTG_BUSY, 0,
-			2000, 20000);
+			2000, 500);
 
 	return true;
 }