From: Sherry Wang <Yao.Wang1@amd.com>
Date: Tue, 6 Sep 2022 16:12:44 +0000 (+0800)
Subject: drm/amd/display: correct hostvm flag
X-Git-Tag: v6.1-rc1~27^2~8^2~50
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=796d6a37ff5ffaf9f2dc0f3f4bf9f4a1034c00de;p=tomoyo%2Ftomoyo-test1.git

drm/amd/display: correct hostvm flag

[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 <Charlene.Liu@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Sherry Wang <Yao.Wang1@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

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 8745132d6374..8c1a6fb36306 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c
@@ -890,7 +890,7 @@ static const struct dc_debug_options debug_defaults_drv = {
 	.disable_z10 = true,
 	.optimize_edp_link_rate = 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 = {