diff options
| author | Hawking Zhang <Hawking.Zhang@amd.com> | 2025-06-05 16:39:24 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-06-24 10:04:03 -0400 |
| commit | f268cef77e867f6cc4a80fc72bf7476d36325a3e (patch) | |
| tree | e6e17a8b6345f373ce6031dde7914ebf48f6ab2d /drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c | |
| parent | e0f14a2abf16d0e1c195ad946fe015545125e7f7 (diff) | |
drm/amdgpu: Convert pre|post_partition_switch into common helpers
So they can be reused for future products
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c index 9985eeab8676..c8fcafeb6864 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c @@ -634,6 +634,33 @@ void amdgpu_xcp_update_supported_modes(struct amdgpu_xcp_mgr *xcp_mgr) } } +int amdgpu_xcp_pre_partition_switch(struct amdgpu_xcp_mgr *xcp_mgr, u32 flags) +{ + /* TODO: + * Stop user queues and threads, and make sure GPU is empty of work. + */ + + if (flags & AMDGPU_XCP_OPS_KFD) + amdgpu_amdkfd_device_fini_sw(xcp_mgr->adev); + + return 0; +} + +int amdgpu_xcp_post_partition_switch(struct amdgpu_xcp_mgr *xcp_mgr, u32 flags) +{ + int ret = 0; + + if (flags & AMDGPU_XCP_OPS_KFD) { + amdgpu_amdkfd_device_probe(xcp_mgr->adev); + amdgpu_amdkfd_device_init(xcp_mgr->adev); + /* If KFD init failed, return failure */ + if (!xcp_mgr->adev->kfd.init_complete) + ret = -EIO; + } + + return ret; +} + /*====================== xcp sysfs - configuration ======================*/ #define XCP_CFG_SYSFS_RES_ATTR_SHOW(_name) \ static ssize_t amdgpu_xcp_res_sysfs_##_name##_show( \ |