iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/amdkfd: Enforce queue BO's adev

Browse Source 
Queue buffer, though it is in system memory, has to be created using the
correct amdgpu device. Enforce this as the BO needs to mapped to the
GART for MES Hardware scheduler to access it.

Signed-off-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Harish Kasiviswanathan 2024-04-22 17:03:46 -04:00 committed by Alex Deucher
parent 4fdd07cec8
commit 7f11a836e1
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
View File

@ -371,6 +371,11 @@ static int kfd_ioctl_create_queue(struct file *filep, struct kfd_process *p,
err = -EINVAL;
goto err_wptr_map_gart;
}
if (dev->adev != amdgpu_ttm_adev(wptr_bo->tbo.bdev)) {
pr_err("Queue memory allocated to wrong device\n");
err = -EINVAL;
goto err_wptr_map_gart;
}
err = amdgpu_amdkfd_map_gtt_bo_to_gart(wptr_bo);
if (err) {