From: Sung Joon Kim <sungkim@xxxxxxx>
[why]
DML validation fails when we connect two or
more displays with HDR. Need to increase
DRAM BW to make the validation passing.
Following the value from DCN31.
[how]
Change the max DRAM BW DML field to 60%.
Reviewed-by: Charlene Liu <Charlene.Liu@xxxxxxx>
Acked-by: Qingqing Zhuo <qingqing.zhuo@xxxxxxx>
Signed-off-by: Sung Joon Kim <sungkim@xxxxxxx>
Reviewed-by: Harry Wentland <harry.wentland@xxxxxxx>
---
drivers/gpu/drm/amd/display/dc/dcn315/dcn315_resource.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn315/dcn315_resource.c b/drivers/gpu/drm/amd/display/dc/dcn315/dcn315_resource.c
index 46b170e60a54..a71073482881 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn315/dcn315_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn315/dcn315_resource.c
@@ -273,7 +273,7 @@ struct _vcs_dpi_soc_bounding_box_st dcn3_15_soc = {
.pct_ideal_dram_sdp_bw_after_urgent_pixel_and_vm = 60.0,
.pct_ideal_dram_sdp_bw_after_urgent_vm_only = 30.0,
.max_avg_sdp_bw_use_normal_percent = 60.0,
- .max_avg_dram_bw_use_normal_percent = 30.0,
+ .max_avg_dram_bw_use_normal_percent = 60.0,
.fabric_datapath_to_dcn_data_return_bytes = 32,
.return_bus_width_bytes = 64,
.downspread_percent = 0.38,
--
2.25.1
