Commit 97b9c006 authored by Mikita Lipski's avatar Mikita Lipski Committed by Alex Deucher
Browse files

drm/amd/display: Prevent Diags from entering S2 



[why]
Lowering clocks when entering S2 Idle state causes DMUB to hang with
Diags.

[how]
Do not enter S2 optimization with Diags on dcn301 to prevent DMUB hang.

Acked-by: default avatarRodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: default avatarMikita Lipski <mikita.lipski@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 23e55639

drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/vg_clk_mgr.c

+1 −1
Original line number Diff line number Diff line
@@ -114,7 +114,7 @@ void vg_update_clocks(struct clk_mgr *clk_mgr_base, 


			display_count = vg_get_active_display_cnt_wa(dc, context);

			/* if we can go lower, go lower */

			if (display_count == 0) {

			if (display_count == 0 && !IS_DIAG_DC(dc->ctx->dce_environment)) {

				union display_idle_optimization_u idle_info = { 0 };



				idle_info.idle_info.df_request_disabled = 1;