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drm/amd/display: correct hostvm flag

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BugLink: https://bugs.launchpad.net/bugs/2076435

[ Upstream commit 3a13d1fddaf51b98cdba20b486cb8fd6080b71b7 ]

[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

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Portia Stephens <portia.stephens@canonical.com>
Signed-off-by: Roxana Nicolescu <roxana.nicolescu@canonical.com>
This commit is contained in:
Sherry Wang
2022-09-07 00:12:44 +08:00
committed by Stefan Bader
parent 3da3bc7fdb
commit 54b6992a7e
1 changed files with 1 additions and 1 deletions
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drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.c
+1 -1
View File
@@ -892,7 +892,7 @@ static const struct dc_debug_options debug_defaults_drv = {
.disable_z10 = true,
.enable_legacy_fast_update = 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,
.using_dml2 = false,
};