diff options
| author | Jack Xiao <Jack.Xiao@amd.com> | 2022-11-16 16:44:21 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-11-21 16:43:13 -0500 |
| commit | 91abf28a636291135ea5cab9af40f017cff6afce (patch) | |
| tree | 0b7e5b5355f9979a8b0db45b26395f1479e1f4ea /drivers | |
| parent | b9ab82da8804ec22c7e91ffd9d56c7a3abff0c8e (diff) | |
| download | linux-91abf28a636291135ea5cab9af40f017cff6afce.tar.bz2 | |
drm/amd/amdgpu: reserve vm invalidation engine for firmware
If mes enabled, reserve VM invalidation engine 5 for firmware.
Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # 6.0.x
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c index b06cb0bb166c..28612e56d0d4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c @@ -479,6 +479,12 @@ int amdgpu_gmc_allocate_vm_inv_eng(struct amdgpu_device *adev) unsigned i; unsigned vmhub, inv_eng; + if (adev->enable_mes) { + /* reserve engine 5 for firmware */ + for (vmhub = 0; vmhub < AMDGPU_MAX_VMHUBS; vmhub++) + vm_inv_engs[vmhub] &= ~(1 << 5); + } + for (i = 0; i < adev->num_rings; ++i) { ring = adev->rings[i]; vmhub = ring->funcs->vmhub; |