/**
* radeon_driver_open_kms - drm callback for open
*
* @dev: drm dev pointer
* @file_priv: drm file
*
* On device open, init vm on cayman+ (all asics).
* Returns 0 on success, error on failure.
*/
int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
{
struct radeon_device *rdev = dev->dev_private;
int r;
file_priv->driver_priv = NULL;
r = pm_runtime_get_sync(dev->dev);
if (r < 0)
return r;
/* new gpu have virtual address space support */
if (rdev->family >= CHIP_CAYMAN) {
struct radeon_fpriv *fpriv;
struct radeon_vm *vm;
int r;
fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
if (unlikely(!fpriv)) {
return -ENOMEM;
}
if (rdev->accel_working) {
vm = &fpriv->vm;
r = radeon_vm_init(rdev, vm);
if (r) {
kfree(fpriv);
return r;
}
r = radeon_bo_reserve(rdev->ring_tmp_bo.bo, false);
if (r) {
radeon_vm_fini(rdev, vm);
kfree(fpriv);
return r;
}
/* map the ib pool buffer read only into
* virtual address space */
vm->ib_bo_va = radeon_vm_bo_add(rdev, vm,
rdev->ring_tmp_bo.bo);
r = radeon_vm_bo_set_addr(rdev, vm->ib_bo_va,
RADEON_VA_IB_OFFSET,
RADEON_VM_PAGE_READABLE |
RADEON_VM_PAGE_SNOOPED);
radeon_bo_unreserve(rdev->ring_tmp_bo.bo);
if (r) {
radeon_vm_fini(rdev, vm);
kfree(fpriv);
return r;
}
}
file_priv->driver_priv = fpriv;
}
pm_runtime_mark_last_busy(dev->dev);
pm_runtime_put_autosuspend(dev->dev);
return 0;
}
int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
{
struct radeon_device *rdev = dev->dev_private;
file_priv->driver_priv = NULL;
/* new gpu have virtual address space support */
if (rdev->family >= CHIP_CAYMAN) {
struct radeon_fpriv *fpriv;
int r;
fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
if (unlikely(!fpriv)) {
return -ENOMEM;
}
r = radeon_vm_init(rdev, &fpriv->vm);
if (r) {
radeon_vm_fini(rdev, &fpriv->vm);
kfree(fpriv);
return r;
}
file_priv->driver_priv = fpriv;
}
return 0;
}
/**
* radeon_driver_postclose_kms - drm callback for post close
*
* @dev: drm dev pointer
* @file_priv: drm file
*
* On device post close, tear down vm on cayman+ (all asics).
*/
void radeon_driver_postclose_kms(struct drm_device *dev,
struct drm_file *file_priv)
{
struct radeon_device *rdev = dev->dev_private;
/* new gpu have virtual address space support */
if (rdev->family >= CHIP_CAYMAN && file_priv->driver_priv) {
struct radeon_fpriv *fpriv = file_priv->driver_priv;
struct radeon_bo_va *bo_va;
int r;
r = radeon_bo_reserve(rdev->ring_tmp_bo.bo, false);
if (!r) {
bo_va = radeon_vm_bo_find(&fpriv->vm,
rdev->ring_tmp_bo.bo);
if (bo_va)
radeon_vm_bo_rmv(rdev, bo_va);
radeon_bo_unreserve(rdev->ring_tmp_bo.bo);
}
radeon_vm_fini(rdev, &fpriv->vm);
kfree(fpriv);
file_priv->driver_priv = NULL;
}
}
/**
* radeon_driver_postclose_kms - drm callback for post close
*
* @dev: drm dev pointer
* @file_priv: drm file
*
* On device post close, tear down vm on cayman+ (all asics).
*/
void radeon_driver_postclose_kms(struct drm_device *dev,
struct drm_file *file_priv)
{
struct radeon_device *rdev = dev->dev_private;
/* new gpu have virtual address space support */
if (rdev->family >= CHIP_CAYMAN && file_priv->driver_priv) {
struct radeon_fpriv *fpriv = file_priv->driver_priv;
struct radeon_vm *vm = &fpriv->vm;
int r;
if (rdev->accel_working) {
r = radeon_bo_reserve(rdev->ring_tmp_bo.bo, false);
if (!r) {
if (vm->ib_bo_va)
radeon_vm_bo_rmv(rdev, vm->ib_bo_va);
radeon_bo_unreserve(rdev->ring_tmp_bo.bo);
}
radeon_vm_fini(rdev, vm);
}
kfree(fpriv);
file_priv->driver_priv = NULL;
}
}
void radeon_driver_postclose_kms(struct drm_device *dev,
struct drm_file *file_priv)
{
struct radeon_device *rdev = dev->dev_private;
/* new gpu have virtual address space support */
if (rdev->family >= CHIP_CAYMAN && file_priv->driver_priv) {
struct radeon_fpriv *fpriv = file_priv->driver_priv;
radeon_vm_fini(rdev, &fpriv->vm);
kfree(fpriv);
file_priv->driver_priv = NULL;
}
}
/**
* radeon_driver_postclose_kms - drm callback for post close
*
* @dev: drm dev pointer
* @file_priv: drm file
*
* On device close, tear down hyperz and cmask filps on r1xx-r5xx
* (all asics). And tear down vm on cayman+ (all asics).
*/
void radeon_driver_postclose_kms(struct drm_device *dev,
struct drm_file *file_priv)
{
struct radeon_device *rdev = dev->dev_private;
pm_runtime_get_sync(dev->dev);
mutex_lock(&rdev->gem.mutex);
if (rdev->hyperz_filp == file_priv)
rdev->hyperz_filp = NULL;
if (rdev->cmask_filp == file_priv)
rdev->cmask_filp = NULL;
mutex_unlock(&rdev->gem.mutex);
radeon_uvd_free_handles(rdev, file_priv);
radeon_vce_free_handles(rdev, file_priv);
/* new gpu have virtual address space support */
if (rdev->family >= CHIP_CAYMAN && file_priv->driver_priv) {
struct radeon_fpriv *fpriv = file_priv->driver_priv;
struct radeon_vm *vm = &fpriv->vm;
int r;
if (rdev->accel_working) {
r = radeon_bo_reserve(rdev->ring_tmp_bo.bo, false);
if (!r) {
if (vm->ib_bo_va)
radeon_vm_bo_rmv(rdev, vm->ib_bo_va);
radeon_bo_unreserve(rdev->ring_tmp_bo.bo);
}
radeon_vm_fini(rdev, vm);
}
kfree(fpriv);
file_priv->driver_priv = NULL;
}
pm_runtime_mark_last_busy(dev->dev);
pm_runtime_put_autosuspend(dev->dev);
}
/**
* radeon_driver_open_kms - drm callback for open
*
* @dev: drm dev pointer
* @file_priv: drm file
*
* On device open, init vm on cayman+ (all asics).
* Returns 0 on success, error on failure.
*/
int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
{
struct radeon_device *rdev = dev->dev_private;
file_priv->driver_priv = NULL;
/* new gpu have virtual address space support */
if (rdev->family >= CHIP_CAYMAN) {
struct radeon_fpriv *fpriv;
struct radeon_bo_va *bo_va;
int r;
fpriv = kmalloc(sizeof(*fpriv), DRM_MEM_DRIVER,
M_ZERO | M_WAITOK);
if (unlikely(!fpriv)) {
return -ENOMEM;
}
radeon_vm_init(rdev, &fpriv->vm);
/* map the ib pool buffer read only into
* virtual address space */
bo_va = radeon_vm_bo_add(rdev, &fpriv->vm,
rdev->ring_tmp_bo.bo);
r = radeon_vm_bo_set_addr(rdev, bo_va, RADEON_VA_IB_OFFSET,
RADEON_VM_PAGE_READABLE |
RADEON_VM_PAGE_SNOOPED);
if (r) {
radeon_vm_fini(rdev, &fpriv->vm);
drm_free(fpriv, DRM_MEM_DRIVER);
return r;
}
file_priv->driver_priv = fpriv;
}
return 0;
}