[PATCH 3/4] drm/amdgpu: stop waiting for the VM during unreserve

[Christian König]

This is completely pointless since the VMID always stays allocated until
the VM is idle.

Signed-off-by: Christian König <christian.koenig at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 16 ----------------
 1 file changed, 16 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index cf91e4440251..c18fefba5b80 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -2345,7 +2345,6 @@ int amdgpu_vm_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
 	union drm_amdgpu_vm *args = data;
 	struct amdgpu_device *adev = drm_to_adev(dev);
 	struct amdgpu_fpriv *fpriv = filp->driver_priv;
-	long timeout = msecs_to_jiffies(2000);
 	int r;
 
 	switch (args->in.op) {
@@ -2357,21 +2356,6 @@ int amdgpu_vm_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
 			return r;
 		break;
 	case AMDGPU_VM_OP_UNRESERVE_VMID:
-		if (amdgpu_sriov_runtime(adev))
-			timeout = 8 * timeout;
-
-		/* Wait vm idle to make sure the vmid set in SPM_VMID is
-		 * not referenced anymore.
-		 */
-		r = amdgpu_bo_reserve(fpriv->vm.root.bo, true);
-		if (r)
-			return r;
-
-		r = amdgpu_vm_wait_idle(&fpriv->vm, timeout);
-		if (r < 0)
-			return r;
-
-		amdgpu_bo_unreserve(fpriv->vm.root.bo);
 		amdgpu_vmid_free_reserved(adev, &fpriv->vm, AMDGPU_GFXHUB_0);
 		break;
 	default:
-- 
2.34.1