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drm/amdkfd: add proper handling for S0ix

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When in S0i3, the GFX state is retained, so all we need to do
is stop the runlist so GFX can enter gfxoff.

Reviewed-by: Mario Limonciello (AMD) <superm1@kernel.org>
Tested-by: David Perry <david.perry@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher
2025-09-17 12:42:09 -04:00
parent f1fdeb3d07
commit 4bfa860993
3 changed files with 60 additions and 4 deletions
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12
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
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@@ -428,7 +428,9 @@ void kgd2kfd_smi_event_throttle(struct kfd_dev *kfd, uint64_t throttle_bitmask);
int kgd2kfd_check_and_lock_kfd(struct kfd_dev *kfd);
void kgd2kfd_unlock_kfd(struct kfd_dev *kfd);
int kgd2kfd_start_sched(struct kfd_dev *kfd, uint32_t node_id);
int kgd2kfd_start_sched_all_nodes(struct kfd_dev *kfd);
int kgd2kfd_stop_sched(struct kfd_dev *kfd, uint32_t node_id);
int kgd2kfd_stop_sched_all_nodes(struct kfd_dev *kfd);
bool kgd2kfd_compute_active(struct kfd_dev *kfd, uint32_t node_id);
bool kgd2kfd_vmfault_fast_path(struct amdgpu_device *adev, struct amdgpu_iv_entry *entry,
bool retry_fault);
@@ -518,11 +520,21 @@ static inline int kgd2kfd_start_sched(struct kfd_dev *kfd, uint32_t node_id)
return 0;
}
static inline int kgd2kfd_start_sched_all_nodes(struct kfd_dev *kfd)
{
return 0;
}
static inline int kgd2kfd_stop_sched(struct kfd_dev *kfd, uint32_t node_id)
{
return 0;
}
static inline int kgd2kfd_stop_sched_all_nodes(struct kfd_dev *kfd)
{
return 0;
}
static inline bool kgd2kfd_compute_active(struct kfd_dev *kfd, uint32_t node_id)
{
return false;