diff options
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index fda0e57c5e0f..c5e6fc580662 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -1437,6 +1437,30 @@ static int amdgpu_fini(struct amdgpu_device *adev) { int i, r; + /* need to disable SMC first */ + for (i = 0; i < adev->num_ip_blocks; i++) { + if (!adev->ip_block_status[i].hw) + continue; + if (adev->ip_blocks[i].type == AMD_IP_BLOCK_TYPE_SMC) { + /* ungate blocks before hw fini so that we can shutdown the blocks safely */ + r = adev->ip_blocks[i].funcs->set_clockgating_state((void *)adev, + AMD_CG_STATE_UNGATE); + if (r) { + DRM_ERROR("set_clockgating_state(ungate) of IP block <%s> failed %d\n", + adev->ip_blocks[i].funcs->name, r); + return r; + } + r = adev->ip_blocks[i].funcs->hw_fini((void *)adev); + /* XXX handle errors */ + if (r) { + DRM_DEBUG("hw_fini of IP block <%s> failed %d\n", + adev->ip_blocks[i].funcs->name, r); + } + adev->ip_block_status[i].hw = false; + break; + } + } + for (i = adev->num_ip_blocks - 1; i >= 0; i--) { if (!adev->ip_block_status[i].hw) continue; |