From: Sung Joon Kim Date: Tue, 8 Feb 2022 22:13:57 +0000 (-0500) Subject: drm/amd/display: increasing DRAM BW percent for DCN315 X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=203bcac9bf2c5676bfb0b33c7f2403ea5d6ed332;p=linux.git drm/amd/display: increasing DRAM BW percent for DCN315 [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 Acked-by: Qingqing Zhuo Signed-off-by: Sung Joon Kim Reviewed-by: Harry Wentland Signed-off-by: Alex Deucher --- 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 46b170e60a54c..a710734828816 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,