Hi Jeff,
Just noticed that the driver should not use import_attach.
https://lore.kernel.org/all/20250317131923.238374-1-tzimmerm...@suse.de/
I will remove the import_attach usage and send V3 patch.
Thanks
Lizhi
On 3/21/25 12:52, Lizhi Hou wrote:
On 3/21/25 08:15, Jeff Hugo wrote:
On 3/
On 3/21/25 08:15, Jeff Hugo wrote:
On 3/6/2025 11:03 AM, Lizhi Hou wrote:
+struct drm_gem_object *
+amdxdna_gem_prime_import(struct drm_device *dev, struct dma_buf
*dma_buf)
+{
+ struct dma_buf_attachment *attach;
+ struct drm_gem_object *gobj;
+ struct sg_table *sgt;
+ int ret;
On 3/6/2025 11:03 AM, Lizhi Hou wrote:
+struct drm_gem_object *
+amdxdna_gem_prime_import(struct drm_device *dev, struct dma_buf *dma_buf)
+{
+ struct dma_buf_attachment *attach;
+ struct drm_gem_object *gobj;
+ struct sg_table *sgt;
+ int ret;
+
+ attach = dma_buf_a
Add amdxdna_gem_prime_export() and amdxdna_gem_prime_import() for BO
import and export. Register mmu notifier for imported BO as well. When
MMU_NOTIFIER_UNMAP event is received, queue work to remove the notifier.
The same BO could be mapped multiple times if it is exported and imported
by an appli
