diff options
| author | James Zhu <James.Zhu@amd.com> | 2023-06-22 09:58:09 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-06-30 13:12:15 -0400 |
| commit | 150c213139fe122c941e3990af7fbe9bd60c5ae3 (patch) | |
| tree | d976198c23695cc1bb72a4f5b63a20915385139b /drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c | |
| parent | baf65745aad33812fe151d5c9a77cf360775bca4 (diff) | |
drm/amdgpu: share drm device for pci amdgpu device with 1st partition device
To save render node resoure, share drm device setting for pci amdgpu
device with 1st XCP partition device.
Signed-off-by: James Zhu <James.Zhu@amd.com>
Reviewed-by: Christian König <christian.koenig@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 | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c index 9687df9841ee..d175e862f222 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c @@ -234,7 +234,10 @@ static int amdgpu_xcp_dev_alloc(struct amdgpu_device *adev) ddev = adev_to_drm(adev); - for (i = 0; i < MAX_XCP; i++) { + /* xcp #0 shares drm device setting with adev */ + adev->xcp_mgr->xcp->ddev = ddev; + + for (i = 1; i < MAX_XCP; i++) { ret = amdgpu_xcp_drm_dev_alloc(&p_ddev); if (ret) return ret; @@ -324,7 +327,7 @@ int amdgpu_xcp_dev_register(struct amdgpu_device *adev, if (!adev->xcp_mgr) return 0; - for (i = 0; i < MAX_XCP; i++) { + for (i = 1; i < MAX_XCP; i++) { ret = drm_dev_register(adev->xcp_mgr->xcp[i].ddev, ent->driver_data); if (ret) return ret; @@ -341,7 +344,7 @@ void amdgpu_xcp_dev_unplug(struct amdgpu_device *adev) if (!adev->xcp_mgr) return; - for (i = 0; i < MAX_XCP; i++) { + for (i = 1; i < MAX_XCP; i++) { p_ddev = adev->xcp_mgr->xcp[i].ddev; drm_dev_unplug(p_ddev); p_ddev->render->dev = adev->xcp_mgr->xcp[i].rdev; |