From: Sherry Wang <[email protected]>

[ Upstream commit 796d6a37ff5ffaf9f2dc0f3f4bf9f4a1034c00de ]

[Why]
Hostvm should be enabled/disabled accordding to
the status of riommu_active, but hostvm always
be disabled on DCN31 which causes underflow

[How]
Set correct hostvm flag on DCN31

Reviewed-by: Charlene Liu <[email protected]>
Acked-by: Wayne Lin <[email protected]>
Signed-off-by: Sherry Wang <[email protected]>
Tested-by: Daniel Wheeler <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
---
 drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c 
b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c
index 3d9f07d4770b..8a0de6bfc716 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c
@@ -892,7 +892,7 @@ static const struct dc_debug_options debug_defaults_drv = {
        .enable_sw_cntl_psr = true,
        .apply_vendor_specific_lttpr_wa = true,
        .enable_z9_disable_interface = true, /* Allow support for the PMFW 
interface for disable Z9*/
-       .dml_hostvm_override = DML_HOSTVM_OVERRIDE_FALSE,
+       .dml_hostvm_override = DML_HOSTVM_NO_OVERRIDE,
 };
 
 static const struct dc_debug_options debug_defaults_diags = {
-- 
2.35.1

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