From bbd069a860b78a087d20d91656a5026c0196586b Mon Sep 17 00:00:00 2001 From: Alvin Lee Date: Fri, 19 May 2023 11:38:15 -0400 Subject: [PATCH] drm/amd/display: Reduce sdp bw after urgent to 90% [Description] Reduce expected SDP bandwidth due to poor QoS and arbitration issues on high bandwidth configs Cc: Mario Limonciello Cc: Alex Deucher Cc: stable@vger.kernel.org Acked-by: Stylon Wang Signed-off-by: Alvin Lee Reviewed-by: Nevenko Stupar Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c index 7e03c844b05e..ad6ee48580f8 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c @@ -147,7 +147,7 @@ struct _vcs_dpi_soc_bounding_box_st dcn3_2_soc = { .urgent_out_of_order_return_per_channel_pixel_only_bytes = 4096, .urgent_out_of_order_return_per_channel_pixel_and_vm_bytes = 4096, .urgent_out_of_order_return_per_channel_vm_only_bytes = 4096, - .pct_ideal_sdp_bw_after_urgent = 100.0, + .pct_ideal_sdp_bw_after_urgent = 90.0, .pct_ideal_fabric_bw_after_urgent = 67.0, .pct_ideal_dram_sdp_bw_after_urgent_pixel_only = 20.0, .pct_ideal_dram_sdp_bw_after_urgent_pixel_and_vm = 60.0, // N/A, for now keep as is until DML implemented