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| author | Alvin Lee <Alvin.Lee2@amd.com> | 2023-03-28 09:53:33 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-04-26 22:28:51 -0400 |
| commit | 0c0463ff010b80a0c03937ca8cf85587ded2f20e (patch) | |
| tree | 45305a02de4f645f59028ed8375b17ab66c30b6d | |
| parent | 025ce392b5f213696ca0af3e07735d0fae020694 (diff) | |
drm/amd/display: Reduce SubVP + DRR stretch margin
[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@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alvin Lee <Alvin.Lee2@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc_stream.h | 2 |
1 files changed, 1 insertions, 1 deletions
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 |