drm/amdgpu: Let KFD use more VMIDs on Arcturus

When there is no graphics support, KFD can use more of the VMIDs. Graphics
VMIDs are only used for video decoding/encoding and post processing. With
two VCE engines, there is no reason to reserve more than 2 VMIDs for that.

Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Felix Kuehling 2020-06-24 23:08:46 -04:00 committed by Alex Deucher
parent 40111ec229
commit 81659b2022

View File

@ -1245,10 +1245,15 @@ static int gmc_v9_0_sw_init(void *handle)
/*
* number of VMs
* VMID 0 is reserved for System
* amdgpu graphics/compute will use VMIDs 1-7
* amdkfd will use VMIDs 8-15
* amdgpu graphics/compute will use VMIDs 1..n-1
* amdkfd will use VMIDs n..15
*
* The first KFD VMID is 8 for GPUs with graphics, 3 for
* compute-only GPUs. On compute-only GPUs that leaves 2 VMIDs
* for video processing.
*/
adev->vm_manager.first_kfd_vmid = 8;
adev->vm_manager.first_kfd_vmid =
adev->asic_type == CHIP_ARCTURUS ? 3 : 8;
amdgpu_vm_manager_init(adev);