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authorMikita Lipski <mikita.lipski@amd.com>2021-06-17 23:17:09 +0300
committerAlex Deucher <alexander.deucher@amd.com>2021-07-21 20:39:25 +0300
commit97b9c006f153fc129fef60fbd91021c8aaf8697f (patch)
treefd48b095724f84e2ddeb1ddaa4f6463bc591ea57
parent23e55639b87fb16a9f0f66032ecb57060df6c46c (diff)
downloadlinux-97b9c006f153fc129fef60fbd91021c8aaf8697f.tar.xz
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: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> Signed-off-by: Mikita Lipski <mikita.lipski@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r--drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/vg_clk_mgr.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/vg_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/vg_clk_mgr.c
index c636b589d69d..7046da14bb2a 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/vg_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/vg_clk_mgr.c
@@ -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;