diff options
| author | James Zhu <James.Zhu@amd.com> | 2023-02-28 14:16:38 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-06-09 09:59:27 -0400 |
| commit | be3800f57c3b0fb39dc732345279db76a50559a3 (patch) | |
| tree | 75bae42871096f08c579c7013b4c8494532c7554 /drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c | |
| parent | 2c1c7ba457d4ecf475c0e220ac5359971355c6eb (diff) | |
drm/amdgpu: find partition ID when open device
Find partition ID when open device from render device minor.
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: James Zhu <James.Zhu@amd.com>
Reviewed-and-tested-by: Philip Yang<Philip.Yang@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 | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c index 8b28b18e4291..9b627a8b1d5c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c @@ -335,3 +335,32 @@ void amdgpu_xcp_dev_unplug(struct amdgpu_device *adev) drm_dev_unplug(adev->xcp_mgr->xcp[i].ddev); } +int amdgpu_xcp_open_device(struct amdgpu_device *adev, + struct amdgpu_fpriv *fpriv, + struct drm_file *file_priv) +{ + int i; + + if (!adev->xcp_mgr) + return 0; + + fpriv->xcp_id = ~0; + for (i = 0; i < MAX_XCP; ++i) { + if (!adev->xcp_mgr->xcp[i].ddev) + break; + + if (file_priv->minor == adev->xcp_mgr->xcp[i].ddev->render) { + if (adev->xcp_mgr->xcp[i].valid == FALSE) { + dev_err(adev->dev, "renderD%d partition %d not valid!", + file_priv->minor->index, i); + return -ENOENT; + } + dev_dbg(adev->dev, "renderD%d partition %d openned!", + file_priv->minor->index, i); + fpriv->xcp_id = i; + break; + } + } + return 0; +} + |