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
