On Tue, 2024-10-15 at 20:25 -0700, Matthew Brost wrote:
> Implement with a simple BO put.
>
> v2:
> - Use new drm_gpusvm_devmem_ops
>
> Signed-off-by: Matthew Brost <matthew.brost@xxxxxxxxx>
Reviewed-by: Thomas Hellström <thomas.hellstrom@xxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/xe/xe_svm.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/drivers/gpu/drm/xe/xe_svm.c
> b/drivers/gpu/drm/xe/xe_svm.c
> index 19fcb8f71791..976b4ce15db4 100644
> --- a/drivers/gpu/drm/xe/xe_svm.c
> +++ b/drivers/gpu/drm/xe/xe_svm.c
> @@ -5,6 +5,7 @@
>
> #include "drm_gpusvm.h"
>
> +#include "xe_bo.h"
> #include "xe_gt_tlb_invalidation.h"
> #include "xe_migrate.h"
> #include "xe_pt.h"
> @@ -419,6 +420,11 @@ static struct xe_bo *to_xe_bo(struct
> drm_gpusvm_devmem *devmem_allocation)
> return container_of(devmem_allocation, struct xe_bo,
> devmem_allocation);
> }
>
> +static void xe_svm_devmem_release(struct drm_gpusvm_devmem
> *devmem_allocation)
> +{
> + xe_bo_put(to_xe_bo(devmem_allocation));
> +}
> +
> static u64 block_offset_to_pfn(struct xe_mem_region *mr, u64 offset)
> {
> return PHYS_PFN(offset + mr->hpa_base);
> @@ -454,6 +460,7 @@ static int xe_svm_populate_devmem_pfn(struct
> drm_gpusvm_devmem *devmem_allocatio
>
> __maybe_unused
> static const struct drm_gpusvm_devmem_ops gpusvm_devmem_ops = {
> + .devmem_release = xe_svm_devmem_release,
> .populate_devmem_pfn = xe_svm_populate_devmem_pfn,
> .copy_to_devmem = xe_svm_copy_to_devmem,
> .copy_to_ram = xe_svm_copy_to_ram,
