Commit c31f486b authored by Vitaly Prosyak's avatar Vitaly Prosyak Committed by Alex Deucher
Browse files

drm/amdgpu: add to custom amdgpu_drm_release drm_dev_enter/exit 



User queues are disabled before GEM objects are released
(protecting against user app crashes).
No races with PCI hot-unplug (because drm_dev_enter prevents cleanup
if iewdevice is being removed).

Cc: Christian König <christian.koenig@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarVitaly Prosyak <vitaly.prosyak@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 1dd2fa0e

drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c

+4 −1
Original line number Diff line number Diff line
@@ -2937,11 +2937,14 @@ static int amdgpu_drm_release(struct inode *inode, struct file *filp) 
{

	struct drm_file *file_priv = filp->private_data;

	struct amdgpu_fpriv *fpriv = file_priv->driver_priv;

	struct drm_device *dev = file_priv->minor->dev;

	int idx;



	if (fpriv) {

	if (fpriv && drm_dev_enter(dev, &idx)) {

		fpriv->evf_mgr.fd_closing = true;

		amdgpu_eviction_fence_destroy(&fpriv->evf_mgr);

		amdgpu_userq_mgr_fini(&fpriv->userq_mgr);

		drm_dev_exit(idx);

	}



	return drm_release(inode, filp);