Re: [RFC 00/10] amdgpu: implement Performance Monitor Counter support

[James Zhu <jamesz@amd.com>]

Hi Ben,

Please review these PMC patches for unified Kernel interface.

Thanks and Best Regards!

James Zhu

On 2026-09-22 05:34, Zhu Lingshan wrote:
> This series implements PMC support for amdgpu. Including two parts:
> 1) PMC Enablement
> 2) Profiler Reservation
>
> The user space should take the reservation, then set PMC.
>
> This series depends on and used new helper introduced in
> another series:
> https://lists.freedesktop.org/archives/amd-gfx/2026-August/151692.html
>
> Please help Review
>
> Thanks!
>
> Zhu Lingshan (10):
>    drm/amdgpu: implement PMC ioctl framework
>    drm/amdgpu: add device-wide PMC config
>    drm/amdgpu: introduce PMC ioctl handler
>    drm/amdgpu: implement reservation mechanism for PMC
>    drm/amdgpu: set device-wide PMC enablement indicator
>    drm/amdgpu: GFX11: set mqd->perfcount from mqd_prop
>    drm/amdgpu: GFX12: set mqd->perfcount from mqd_prop
>    drm/amdgpu: GFX12.1: set mqd->perfcount from mqd_prop
>    drm/amdgpu: implement device PMC handler
>    drm/amdgpu: set userq perf state before publish it
>
>   drivers/gpu/drm/amd/amdgpu/Makefile          |   2 +-
>   drivers/gpu/drm/amd/amdgpu/amdgpu.h          |   8 +
>   drivers/gpu/drm/amd/amdgpu/amdgpu_device.c   |   3 +
>   drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c      |   4 +
>   drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h      |   6 +
>   drivers/gpu/drm/amd/amdgpu/amdgpu_profiler.c | 166 +++++++++++++++++++
>   drivers/gpu/drm/amd/amdgpu/amdgpu_profiler.h |  38 +++++
>   drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c    |  95 ++++++++++-
>   drivers/gpu/drm/amd/amdgpu/amdgpu_userq.h    |   2 +
>   drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c       |  11 ++
>   drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c       |  11 ++
>   drivers/gpu/drm/amd/amdgpu/gfx_v12_1.c       |  11 ++
>   include/uapi/drm/amdgpu_drm.h                |  36 ++++
>   13 files changed, 390 insertions(+), 3 deletions(-)
>   create mode 100644 drivers/gpu/drm/amd/amdgpu/amdgpu_profiler.c
>   create mode 100644 drivers/gpu/drm/amd/amdgpu/amdgpu_profiler.h
>