6.12-stable review patch. If anyone has any objections, please let me know.
------------------
From: Nicholas Susanto Nicholas.Susanto@amd.com
commit 3412860cc4c0c484f53f91b371483e6e4440c3e5 upstream.
Revert commit 284f141f5ce5 ("drm/amd/display: Enable urgent latency adjustments for DCN35")
[Why & How]
Urgent latency increase caused 2.8K OLED monitor caused it to block this panel support P0.
Reverting this change does not reintroduce the netflix corruption issue which it fixed.
Fixes: 284f141f5ce5 ("drm/amd/display: Enable urgent latency adjustments for DCN35") Reviewed-by: Charlene Liu charlene.liu@amd.com Signed-off-by: Nicholas Susanto Nicholas.Susanto@amd.com Signed-off-by: Tom Chung chiahsuan.chung@amd.com Tested-by: Daniel Wheeler daniel.wheeler@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com (cherry picked from commit c7ccfc0d4241a834c25a9a9e1e78b388b4445d23) Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/gpu/drm/amd/display/dc/dml/dcn35/dcn35_fpu.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn35/dcn35_fpu.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn35/dcn35_fpu.c @@ -195,9 +195,9 @@ struct _vcs_dpi_soc_bounding_box_st dcn3 .dcn_downspread_percent = 0.5, .gpuvm_min_page_size_bytes = 4096, .hostvm_min_page_size_bytes = 4096, - .do_urgent_latency_adjustment = 1, + .do_urgent_latency_adjustment = 0, .urgent_latency_adjustment_fabric_clock_component_us = 0, - .urgent_latency_adjustment_fabric_clock_reference_mhz = 3000, + .urgent_latency_adjustment_fabric_clock_reference_mhz = 0, };
void dcn35_build_wm_range_table_fpu(struct clk_mgr *clk_mgr)