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drm/amdgpu: save the setting of VM_CONTEXT_CNTL

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MES firmware needs the setting of VM_CONTEXT_CNTL to perform
vmid switch. Save the initial setting when hub initializing.

Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jack Xiao
2021-05-12 15:53:48 +08:00
committed by Alex Deucher
parent 98a0f8687e
commit d7dab4fc44
7 changed files with 13 additions and 0 deletions
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drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
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@@ -100,6 +100,7 @@ struct amdgpu_vmhub {
uint32_t eng_distance;
uint32_t eng_addr_distance; /* include LO32/HI32 */
uint32_t vm_cntx_cntl;
uint32_t vm_cntx_cntl_vm_fault;
uint32_t vm_l2_bank_select_reserved_cid2;