bybrooklyn/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-04-18 14:53:58 -04:00
Code Issues Packages Projects Releases Wiki Activity

drm/amdgpu: stop reserving VMIDs to enforce isolation

Browse Source 
That was quite troublesome for gang submit. Completely drop this
approach and enforce the isolation separately.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König
2025-01-27 16:27:51 +01:00
committed by Alex Deucher
parent b7fbcd77bb
commit db1e58ec86
4 changed files with 6 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
View File

@@ -1665,15 +1665,8 @@ static ssize_t amdgpu_gfx_set_enforce_isolation(struct device *dev,
}
mutex_lock(&adev->enforce_isolation_mutex);
for (i = 0; i < num_partitions; i++) {
if (adev->enforce_isolation[i] && !partition_values[i])
/* Going from enabled to disabled */
amdgpu_vmid_free_reserved(adev, AMDGPU_GFXHUB(i));
else if (!adev->enforce_isolation[i] && partition_values[i])
/* Going from disabled to enabled */
amdgpu_vmid_alloc_reserved(adev, AMDGPU_GFXHUB(i));
for (i = 0; i < num_partitions; i++)
adev->enforce_isolation[i] = partition_values[i];
}
mutex_unlock(&adev->enforce_isolation_mutex);
amdgpu_mes_update_enforce_isolation(adev);