diff options
| author | Felix Kuehling | 2017-08-16 05:00:10 +0200 |
|---|---|---|
| committer | Oded Gabbay | 2017-08-16 05:00:10 +0200 |
| commit | 735df2ba1d584e98a894680e29a813f9fde64a84 (patch) | |
| tree | 5c988353a8d118307e0b0b51c788461c99f1e7d1 /drivers/gpu/drm/amd/amdkfd/kfd_priv.h | |
| parent | drm/amdkfd: Remove BUG_ONs for NULL pointer arguments (diff) | |
| download | kernel-qcow2-linux-735df2ba1d584e98a894680e29a813f9fde64a84.tar.gz kernel-qcow2-linux-735df2ba1d584e98a894680e29a813f9fde64a84.tar.xz kernel-qcow2-linux-735df2ba1d584e98a894680e29a813f9fde64a84.zip | |
drm/amdkfd: Fix doorbell initialization and finalization
Handle errors in doorbell aperture initialization instead of BUG_ON.
iounmap doorbell aperture during finalization.
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_priv.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_priv.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h index 469b7ea3fa99..f0d55cc050a5 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h @@ -576,7 +576,8 @@ unsigned int kfd_pasid_alloc(void); void kfd_pasid_free(unsigned int pasid); /* Doorbells */ -void kfd_doorbell_init(struct kfd_dev *kfd); +int kfd_doorbell_init(struct kfd_dev *kfd); +void kfd_doorbell_fini(struct kfd_dev *kfd); int kfd_doorbell_mmap(struct kfd_process *process, struct vm_area_struct *vma); u32 __iomem *kfd_get_kernel_doorbell(struct kfd_dev *kfd, unsigned int *doorbell_off); |