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