diff options
| author | Lijo Lazar <lijo.lazar@amd.com> | 2024-07-03 11:52:47 +0530 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-07-10 10:12:28 -0400 |
| commit | d02ddefc7eedaa6394279bad522c70fd5d63e163 (patch) | |
| tree | 3b76a3e2fa60bfed4b89d064045fda0f4bdf50f4 /drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c | |
| parent | 5d64af40e3a99c3bbe7a66c3cfe23295f8e97130 (diff) | |
drm/amdgpu: Initialize VF partition mode
For SOCs with GFX v9.4.3, a VF may have multiple compute partitions.
Fetch the partition information during init and initialize partition
nodes. There is no support to switch partition mode in VF mode, hence
disable the same.
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@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 | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c index 2b99eed5ba19..a6d456ec6aeb 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c @@ -219,7 +219,8 @@ int amdgpu_xcp_query_partition_mode(struct amdgpu_xcp_mgr *xcp_mgr, u32 flags) { int mode; - if (xcp_mgr->mode == AMDGPU_XCP_MODE_NONE) + if (!amdgpu_sriov_vf(xcp_mgr->adev) && + xcp_mgr->mode == AMDGPU_XCP_MODE_NONE) return xcp_mgr->mode; if (!xcp_mgr->funcs || !xcp_mgr->funcs->query_partition_mode) @@ -228,6 +229,12 @@ int amdgpu_xcp_query_partition_mode(struct amdgpu_xcp_mgr *xcp_mgr, u32 flags) if (!(flags & AMDGPU_XCP_FL_LOCKED)) mutex_lock(&xcp_mgr->xcp_lock); mode = xcp_mgr->funcs->query_partition_mode(xcp_mgr); + + /* First time query for VF, set the mode here */ + if (amdgpu_sriov_vf(xcp_mgr->adev) && + xcp_mgr->mode == AMDGPU_XCP_MODE_NONE) + xcp_mgr->mode = mode; + if (xcp_mgr->mode != AMDGPU_XCP_MODE_TRANS && mode != xcp_mgr->mode) dev_WARN( xcp_mgr->adev->dev, @@ -282,8 +289,7 @@ int amdgpu_xcp_mgr_init(struct amdgpu_device *adev, int init_mode, { struct amdgpu_xcp_mgr *xcp_mgr; - if (!xcp_funcs || !xcp_funcs->switch_partition_mode || - !xcp_funcs->get_ip_details) + if (!xcp_funcs || !xcp_funcs->get_ip_details) return -EINVAL; xcp_mgr = kzalloc(sizeof(*xcp_mgr), GFP_KERNEL); |