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drm/amdkfd: add kgd control interface for ptl

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Add kgd->ptl_ctrl() callback so KFD can query/enable/disable
PTL state through the PSP performance monitor interface.

Signed-off-by: Perry Yuan <perry.yuan@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Perry Yuan 2026-02-09 00:42:04 +08:00 committed by Alex Deucher
parent f9f9fe3a7e
commit c2396ee614
2 changed files with 17 additions and 1 deletions
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13
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gc_9_4_3.c
View File

@ -520,6 +520,16 @@ static uint32_t kgd_gfx_v9_4_3_hqd_sdma_get_doorbell(struct amdgpu_device *adev,
return is_active ? doorbell_off >> 2 : 0;
}
static uint32_t kgd_v9_4_3_ptl_ctrl(struct amdgpu_device *adev,
uint32_t cmd,
uint32_t *ptl_state,
enum amdgpu_ptl_fmt *fmt1,
enum amdgpu_ptl_fmt *fmt2)
{
return amdgpu_ptl_perf_monitor_ctrl(adev, cmd,
ptl_state, fmt1, fmt2);
}
const struct kfd2kgd_calls gc_9_4_3_kfd2kgd = {
.program_sh_mem_settings = kgd_gfx_v9_program_sh_mem_settings,
.set_pasid_vmid_mapping = kgd_gfx_v9_4_3_set_pasid_vmid_mapping,
@ -555,5 +565,6 @@ const struct kfd2kgd_calls gc_9_4_3_kfd2kgd = {
.clear_address_watch = kgd_gfx_v9_4_3_clear_address_watch,
.hqd_get_pq_addr = kgd_gfx_v9_hqd_get_pq_addr,
.hqd_reset = kgd_gfx_v9_hqd_reset,
.hqd_sdma_get_doorbell = kgd_gfx_v9_4_3_hqd_sdma_get_doorbell
.hqd_sdma_get_doorbell = kgd_gfx_v9_4_3_hqd_sdma_get_doorbell,
.ptl_ctrl = kgd_v9_4_3_ptl_ctrl
};

5
drivers/gpu/drm/amd/include/kgd_kfd_interface.h
View File

@ -334,6 +334,11 @@ struct kfd2kgd_calls {
uint32_t inst, unsigned int utimeout);
uint32_t (*hqd_sdma_get_doorbell)(struct amdgpu_device *adev,
int engine, int queue);
uint32_t (*ptl_ctrl)(struct amdgpu_device *adev,
uint32_t cmd,
uint32_t *ptl_state,
enum amdgpu_ptl_fmt *fmt1,
enum amdgpu_ptl_fmt *fmt2);
};
#endif /* KGD_KFD_INTERFACE_H_INCLUDED */