diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c index ae692d0591ba..b6acbe923b6b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c @@ -1604,21 +1604,46 @@ static DEVICE_ATTR(available_compute_partition, 0444, int amdgpu_gfx_sysfs_init(struct amdgpu_device *adev) { + struct amdgpu_xcp_mgr *xcp_mgr = adev->xcp_mgr; + bool xcp_switch_supported; int r; + if (!xcp_mgr) + return 0; + + xcp_switch_supported = + (xcp_mgr->funcs && xcp_mgr->funcs->switch_partition_mode); + + if (!xcp_switch_supported) + dev_attr_current_compute_partition.attr.mode &= + ~(S_IWUSR | S_IWGRP | S_IWOTH); + r = device_create_file(adev->dev, &dev_attr_current_compute_partition); if (r) return r; - r = device_create_file(adev->dev, &dev_attr_available_compute_partition); + if (xcp_switch_supported) + r = device_create_file(adev->dev, + &dev_attr_available_compute_partition); return r; } void amdgpu_gfx_sysfs_fini(struct amdgpu_device *adev) { + struct amdgpu_xcp_mgr *xcp_mgr = adev->xcp_mgr; + bool xcp_switch_supported; + + if (!xcp_mgr) + return; + + xcp_switch_supported = + (xcp_mgr->funcs && xcp_mgr->funcs->switch_partition_mode); device_remove_file(adev->dev, &dev_attr_current_compute_partition); - device_remove_file(adev->dev, &dev_attr_available_compute_partition); + + if (xcp_switch_supported) + device_remove_file(adev->dev, + &dev_attr_available_compute_partition); } int amdgpu_gfx_sysfs_isolation_shader_init(struct amdgpu_device *adev) |