Successful sw_init() and hw_init() states are tracked, but not late_init(). Various error paths may result in amdgpu_fini() being called before .late init is done, so late_init needs to be tracked to avoid unexpected or multiple .late_fini() calls.
Signed-off-by: Grazvydas Ignotas notasas@gmail.com --- drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 + drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 4 ++++ 2 files changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index b9cc003..4e510092 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -1943,6 +1943,7 @@ struct amdgpu_ip_block_status { bool valid; bool sw; bool hw; + bool late_initialized; bool hang; };
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 9933ab7..0c57898 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -1450,6 +1450,7 @@ static int amdgpu_late_init(struct amdgpu_device *adev) DRM_ERROR("late_init of IP block <%s> failed %d\n", adev->ip_blocks[i].funcs->name, r); return r; } + adev->ip_block_status[i].late_initialized = true; } }
@@ -1495,8 +1496,11 @@ static int amdgpu_fini(struct amdgpu_device *adev) }
for (i = adev->num_ip_blocks - 1; i >= 0; i--) { + if (!adev->ip_block_status[i].late_initialized) + continue; if (adev->ip_blocks[i].funcs->late_fini) adev->ip_blocks[i].funcs->late_fini((void *)adev); + adev->ip_block_status[i].late_initialized = false; }
return 0;