From: Roman Li <roman...@amd.com>
[ Upstream commit 40e9f3f067bc6fb47b878f8ba0a9cc7b93abbf49 ]
[Why]
After enabling S/G on dcn314 a screen corruption may be observed.
HostVM flag should be set in S/G mode to be included in DML calculations.
[How]
In S/G mode gpu_vm_support flag is set.
Use its value to init is_hvm_enabled.
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlaus...@amd.com>
Acked-by: Alan Liu <haoping....@amd.com>
Signed-off-by: Roman Li <roman...@amd.com>
Tested-by: Daniel Wheeler <daniel.whee...@amd.com>
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 6028e332e35d9..ed74cc7403980 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -1248,7 +1248,7 @@ static void mmhub_read_system_context(struct
amdgpu_device *adev, struct dc_phy_
pa_config->gart_config.page_table_end_addr = page_table_end.quad_part
<< 12;
pa_config->gart_config.page_table_base_addr = page_table_base.quad_part;
- pa_config->is_hvm_enabled = 0;
+ pa_config->is_hvm_enabled = adev->mode_info.gpu_vm_support;
}
--
2.39.0
