From: Alvin Lee <Alvin.Lee2@xxxxxxx>
[Description]
- Having excessively large margin causes failure in the static
schedulability check in some cases for SubVP + DRR
- 100us of DRR margin is sufficient based on a weeks worth of
stress testing on different display configs
Reviewed-by: Michael Strauss <Michael.Strauss@xxxxxxx>
Acked-by: Qingqing Zhuo <qingqing.zhuo@xxxxxxx>
Signed-off-by: Alvin Lee <Alvin.Lee2@xxxxxxx>
---
drivers/gpu/drm/amd/display/dc/dc_stream.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dc_stream.h b/drivers/gpu/drm/amd/display/dc/dc_stream.h
index 181a3408cc61..25284006019c 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_stream.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_stream.h
@@ -144,7 +144,7 @@ struct test_pattern {
unsigned int cust_pattern_size;
};
-#define SUBVP_DRR_MARGIN_US 600 // 600us for DRR margin (SubVP + DRR)
+#define SUBVP_DRR_MARGIN_US 100 // 100us for DRR margin (SubVP + DRR)
enum mall_stream_type {
SUBVP_NONE, // subvp not in use
--
2.34.1
