Re: [PATCH V1] accel/amdxdna: Support user space allocated buffer

2025-07-14 Thread Lizhi Hou
On 7/14/25 03:33, Jacek Lawrynowicz wrote: Hi, This looks very interesting. It's a clever way of adding userptr on top of existing gem code. On 7/7/2025 9:38 PM, Lizhi Hou wrote: Enhance DRM_IOCTL_AMDXDNA_CREATE_BO to accept user space allocated buffer pointer. The buffer pages will be pinn

Re: [PATCH V1] accel/amdxdna: Support user space allocated buffer

2025-07-14 Thread Jacek Lawrynowicz
Hi, This looks very interesting. It's a clever way of adding userptr on top of existing gem code. On 7/7/2025 9:38 PM, Lizhi Hou wrote: > Enhance DRM_IOCTL_AMDXDNA_CREATE_BO to accept user space allocated > buffer pointer. The buffer pages will be pinned in memory. Unless > the CAP_IPC_LOCK is e

[PATCH V1] accel/amdxdna: Support user space allocated buffer

2025-07-07 Thread Lizhi Hou
Enhance DRM_IOCTL_AMDXDNA_CREATE_BO to accept user space allocated buffer pointer. The buffer pages will be pinned in memory. Unless the CAP_IPC_LOCK is enabled for the application process, the total pinned memory can not beyond rlimit_memlock. Signed-off-by: Lizhi Hou --- drivers/accel/amdxdna/