drm/amdkfd: Add metadata ring buffer for compute

Browse source

Add support for separate ring-buffer for metadata packets when using
compute queues. Userspace application allocate the metadata ring-buffer
and the queue ring-buffer with a single allocation. The metadata
ring-buffer starts after the queue ring-buffer.

Signed-off-by: David Yat Sin <David.YatSin@amd.com>
Reviewed-by: Philip Yang <Philip.Yang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

David Yat Sin 2025-03-18 19:49:55 +00:00 • committed by Alex Deucher

parent d0c989a0aa

commit c51bb53d5c

5 changed files with 39 additions and 5 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

8

drivers/gpu/drm/amd/amdkfd/kfd_chardev.c

View file

21

drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v12_1.c

View file

3

drivers/gpu/drm/amd/amdkfd/kfd_priv.h

View file

7

drivers/gpu/drm/amd/amdkfd/kfd_queue.c

View file

5

include/uapi/linux/kfd_ioctl.h

View file