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| author | Felix Kuehling <Felix.Kuehling@amd.com> | 2020-06-24 23:08:46 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-07-02 12:02:50 -0400 |
| commit | 81659b2022cbdd7491f9480ab15afd38b91281d5 (patch) | |
| tree | 3a9fa363e6aa35ba3b02f1e76d464bd48bc48c91 /drivers/gpu/drm/amd/amdgpu | |
| parent | 40111ec2298f442aab299234cd610d90809f58de (diff) | |
| download | linux-81659b2022cbdd7491f9480ab15afd38b91281d5.tar.gz linux-81659b2022cbdd7491f9480ab15afd38b91281d5.tar.bz2 linux-81659b2022cbdd7491f9480ab15afd38b91281d5.zip | |
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>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index 6e10b42c57e5..3470929e5b8e 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -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); |