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Date: Sun, 9 Oct 2022 19:49:19 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc: Sherry Wang <Yao.Wang1@....com>,
Charlene Liu <Charlene.Liu@....com>,
Wayne Lin <wayne.lin@....com>,
Daniel Wheeler <daniel.wheeler@....com>,
Alex Deucher <alexander.deucher@....com>,
Sasha Levin <sashal@...nel.org>, harry.wentland@....com,
sunpeng.li@....com, Rodrigo.Siqueira@....com,
christian.koenig@....com, Xinhui.Pan@....com, airlied@...il.com,
daniel@...ll.ch, nicholas.kazlauskas@....com,
agustin.gutierrez@....com, Eric.Yang2@....com,
michael.strauss@....com, mwen@...lia.com, gabe.teeger@....com,
amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org
Subject: [PATCH AUTOSEL 6.0 31/44] drm/amd/display: correct hostvm flag
From: Sherry Wang <Yao.Wang1@....com>
[ 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 <Charlene.Liu@....com>
Acked-by: Wayne Lin <wayne.lin@....com>
Signed-off-by: Sherry Wang <Yao.Wang1@....com>
Tested-by: Daniel Wheeler <daniel.wheeler@....com>
Signed-off-by: Alex Deucher <alexander.deucher@....com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
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 aedff18aff56..2e5a21856eee 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c
@@ -891,7 +891,7 @@ static const struct dc_debug_options debug_defaults_drv = {
.optimize_edp_link_rate = true,
.enable_sw_cntl_psr = 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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