From: Sung Joon Kim <sung...@amd.com>

[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....@amd.com>
Acked-by: Qingqing Zhuo <qingqing.z...@amd.com>
Signed-off-by: Sung Joon Kim <sung...@amd.com>
Reviewed-by: Harry Wentland <harry.wentl...@amd.com>
---
 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

Reply via email to