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drm/amdgpu: Add kfd2kgd.set_compute_idle interface

Browse source 
This allows automatic switching to the compute power profile depending
on compute activity.

Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Eric Huang <JinHuiEric.Huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
This commit is contained in:
Felix Kuehling 2018-07-16 19:10:36 -04:00 • committed by Oded Gabbay
parent 39e7f33186
commit 01c097dbfc
6 changed files with 20 additions and 3 deletions
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8
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
View file

@ -488,6 +488,14 @@ err:
return ret;
}
void amdgpu_amdkfd_set_compute_idle(struct kgd_dev *kgd, bool idle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
amdgpu_dpm_switch_power_profile(adev,
PP_SMC_POWER_PROFILE_COMPUTE, !idle);
}
bool amdgpu_amdkfd_is_kfd_vmid(struct amdgpu_device *adev, u32 vmid)
{
if (adev->kfd) {

1
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
View file

@ -119,6 +119,7 @@ int amdgpu_amdkfd_evict_userptr(struct kgd_mem *mem, struct mm_struct *mm);
int amdgpu_amdkfd_submit_ib(struct kgd_dev *kgd, enum kgd_engine_type engine,
uint32_t vmid, uint64_t gpu_addr,
uint32_t *ib_cmd, uint32_t ib_len);
void amdgpu_amdkfd_set_compute_idle(struct kgd_dev *kgd, bool idle);
struct kfd2kgd_calls *amdgpu_amdkfd_gfx_7_get_functions(void);
struct kfd2kgd_calls *amdgpu_amdkfd_gfx_8_0_get_functions(void);

3
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c
View file

@ -219,7 +219,8 @@ static const struct kfd2kgd_calls kfd2kgd = {
.submit_ib = amdgpu_amdkfd_submit_ib,
.get_vm_fault_info = amdgpu_amdkfd_gpuvm_get_vm_fault_info,
.read_vmid_from_vmfault_reg = read_vmid_from_vmfault_reg,
.gpu_recover = amdgpu_amdkfd_gpu_reset
.gpu_recover = amdgpu_amdkfd_gpu_reset,
.set_compute_idle = amdgpu_amdkfd_set_compute_idle
};
struct kfd2kgd_calls *amdgpu_amdkfd_gfx_7_get_functions(void)

3
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c
View file

@ -177,7 +177,8 @@ static const struct kfd2kgd_calls kfd2kgd = {
.invalidate_tlbs_vmid = invalidate_tlbs_vmid,
.submit_ib = amdgpu_amdkfd_submit_ib,
.get_vm_fault_info = amdgpu_amdkfd_gpuvm_get_vm_fault_info,
.gpu_recover = amdgpu_amdkfd_gpu_reset
.gpu_recover = amdgpu_amdkfd_gpu_reset,
.set_compute_idle = amdgpu_amdkfd_set_compute_idle
};
struct kfd2kgd_calls *amdgpu_amdkfd_gfx_8_0_get_functions(void)

3
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c
View file

@ -213,7 +213,8 @@ static const struct kfd2kgd_calls kfd2kgd = {
.invalidate_tlbs = invalidate_tlbs,
.invalidate_tlbs_vmid = invalidate_tlbs_vmid,
.submit_ib = amdgpu_amdkfd_submit_ib,
.gpu_recover = amdgpu_amdkfd_gpu_reset
.gpu_recover = amdgpu_amdkfd_gpu_reset,
.set_compute_idle = amdgpu_amdkfd_set_compute_idle
};
struct kfd2kgd_calls *amdgpu_amdkfd_gfx_9_0_get_functions(void)

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

@ -282,6 +282,9 @@ struct tile_config {
*
* @gpu_recover: let kgd reset gpu after kfd detect CPC hang
*
* @set_compute_idle: Indicates that compute is idle on a device. This
* can be used to change power profiles depending on compute activity.
*
* This structure contains function pointers to services that the kgd driver
* provides to amdkfd driver.
*
@ -403,6 +406,8 @@ struct kfd2kgd_calls {
uint32_t (*read_vmid_from_vmfault_reg)(struct kgd_dev *kgd);
void (*gpu_recover)(struct kgd_dev *kgd);
void (*set_compute_idle)(struct kgd_dev *kgd, bool idle);
};
/**