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drm/amdgpu: Split amdgpu_device_fini into early and late

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Some of the stuff in amdgpu_device_fini such as HW interrupts
disable and pending fences finilization must be done right away on
pci_remove while most of the stuff which relates to finilizing and
releasing driver data structures can be kept until
drm_driver.release hook is called, i.e. when the last device
reference is dropped.

v4: Change functions prefix early->hw and late->sw

Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210512142648.666476-3-andrey.grodzovsky@amd.com
This commit is contained in:
Andrey Grodzovsky
2021-05-12 10:26:34 -04:00
parent 267d51d77f
commit 72c8c97b15
17 changed files with 79 additions and 36 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
View File

@@ -3646,15 +3646,13 @@ failed_unmap:
* Tear down the driver info (all asics).
* Called at driver shutdown.
*/
void amdgpu_device_fini(struct amdgpu_device *adev)
void amdgpu_device_fini_hw(struct amdgpu_device *adev)
{
dev_info(adev->dev, "amdgpu: finishing device.\n");
flush_delayed_work(&adev->delayed_init_work);
ttm_bo_lock_delayed_workqueue(&adev->mman.bdev);
adev->shutdown = true;
kfree(adev->pci_state);
/* make sure IB test finished before entering exclusive mode
* to avoid preemption on IB test
* */
@@ -3671,11 +3669,24 @@ void amdgpu_device_fini(struct amdgpu_device *adev)
else
drm_atomic_helper_shutdown(adev_to_drm(adev));
}
amdgpu_fence_driver_fini(adev);
amdgpu_fence_driver_fini_hw(adev);
if (adev->pm_sysfs_en)
amdgpu_pm_sysfs_fini(adev);
if (adev->ucode_sysfs_en)
amdgpu_ucode_sysfs_fini(adev);
sysfs_remove_files(&adev->dev->kobj, amdgpu_dev_attributes);
amdgpu_fbdev_fini(adev);
amdgpu_irq_fini_hw(adev);
}
void amdgpu_device_fini_sw(struct amdgpu_device *adev)
{
amdgpu_device_ip_fini(adev);
amdgpu_fence_driver_fini_sw(adev);
release_firmware(adev->firmware.gpu_info_fw);
adev->firmware.gpu_info_fw = NULL;
adev->accel_working = false;
@@ -3701,14 +3712,13 @@ void amdgpu_device_fini(struct amdgpu_device *adev)
adev->rmmio = NULL;
amdgpu_device_doorbell_fini(adev);
if (adev->ucode_sysfs_en)
amdgpu_ucode_sysfs_fini(adev);
sysfs_remove_files(&adev->dev->kobj, amdgpu_dev_attributes);
if (IS_ENABLED(CONFIG_PERF_EVENTS))
amdgpu_pmu_fini(adev);
if (adev->mman.discovery_bin)
amdgpu_discovery_fini(adev);
kfree(adev->pci_state);
}