diff options
author | Danilo Krummrich <dakr@redhat.com> | 2023-11-08 01:12:39 +0100 |
---|---|---|
committer | Danilo Krummrich <dakr@redhat.com> | 2023-11-13 18:19:06 +0100 |
commit | 8af72338dd81d1f8667e0240bd28f5fc98b3f20d (patch) | |
tree | d673166ea0d3ed4d2ed6720e43bef0a4e520f563 /drivers/gpu/drm/nouveau/nouveau_uvmm.c | |
parent | 266f7618e761c8a6aa89dbfe43cda1b69cdbbf14 (diff) |
drm/gpuvm: reference count drm_gpuvm structures
Implement reference counting for struct drm_gpuvm.
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Signed-off-by: Danilo Krummrich <dakr@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231108001259.15123-10-dakr@redhat.com
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_uvmm.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_uvmm.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_uvmm.c b/drivers/gpu/drm/nouveau/nouveau_uvmm.c index 54be12c1272f..cb2f06565c46 100644 --- a/drivers/gpu/drm/nouveau/nouveau_uvmm.c +++ b/drivers/gpu/drm/nouveau/nouveau_uvmm.c @@ -1780,6 +1780,18 @@ nouveau_uvmm_bo_unmap_all(struct nouveau_bo *nvbo) } } +static void +nouveau_uvmm_free(struct drm_gpuvm *gpuvm) +{ + struct nouveau_uvmm *uvmm = uvmm_from_gpuvm(gpuvm); + + kfree(uvmm); +} + +static const struct drm_gpuvm_ops gpuvm_ops = { + .vm_free = nouveau_uvmm_free, +}; + int nouveau_uvmm_ioctl_vm_init(struct drm_device *dev, void *data, @@ -1830,7 +1842,7 @@ nouveau_uvmm_ioctl_vm_init(struct drm_device *dev, NOUVEAU_VA_SPACE_END, init->kernel_managed_addr, init->kernel_managed_size, - NULL); + &gpuvm_ops); /* GPUVM takes care from here on. */ drm_gem_object_put(r_obj); @@ -1849,8 +1861,7 @@ nouveau_uvmm_ioctl_vm_init(struct drm_device *dev, return 0; out_gpuvm_fini: - drm_gpuvm_destroy(&uvmm->base); - kfree(uvmm); + drm_gpuvm_put(&uvmm->base); out_unlock: mutex_unlock(&cli->mutex); return ret; @@ -1902,7 +1913,6 @@ nouveau_uvmm_fini(struct nouveau_uvmm *uvmm) mutex_lock(&cli->mutex); nouveau_vmm_fini(&uvmm->vmm); - drm_gpuvm_destroy(&uvmm->base); - kfree(uvmm); + drm_gpuvm_put(&uvmm->base); mutex_unlock(&cli->mutex); } |