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List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: gregkh@linuxfoundation.org, Felix.Kuehling@amd.com, helgaas@kernel.org, Alex Deucher , =?utf-8?q?Christian_K=C3=B6nig?= Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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 Acked-by: Christian König Reviewed-by: Alex Deucher Reported-by: kernel test robot --- drivers/gpu/drm/amd/amdgpu/amdgpu.h | 6 ++++- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 26 +++++++++++++++------- drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 7 ++---- drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c | 15 ++++++++++++- drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c | 26 +++++++++++++--------- drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h | 3 ++- drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 12 +++++++++- drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 1 + drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h | 3 ++- drivers/gpu/drm/amd/amdgpu/cik_ih.c | 2 +- drivers/gpu/drm/amd/amdgpu/cz_ih.c | 2 +- drivers/gpu/drm/amd/amdgpu/iceland_ih.c | 2 +- drivers/gpu/drm/amd/amdgpu/navi10_ih.c | 2 +- drivers/gpu/drm/amd/amdgpu/si_ih.c | 2 +- drivers/gpu/drm/amd/amdgpu/tonga_ih.c | 2 +- drivers/gpu/drm/amd/amdgpu/vega10_ih.c | 2 +- drivers/gpu/drm/amd/amdgpu/vega20_ih.c | 2 +- 17 files changed, 79 insertions(+), 36 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 380801b59b07..d830a541ba89 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -1099,7 +1099,9 @@ static inline struct amdgpu_device *amdgpu_ttm_adev(struct ttm_device *bdev) int amdgpu_device_init(struct amdgpu_device *adev, uint32_t flags); -void amdgpu_device_fini(struct amdgpu_device *adev); +void amdgpu_device_fini_hw(struct amdgpu_device *adev); +void amdgpu_device_fini_sw(struct amdgpu_device *adev); + int amdgpu_gpu_wait_for_idle(struct amdgpu_device *adev); void amdgpu_device_vram_access(struct amdgpu_device *adev, loff_t pos, @@ -1319,6 +1321,8 @@ void amdgpu_driver_lastclose_kms(struct drm_device *dev); int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv); void amdgpu_driver_postclose_kms(struct drm_device *dev, struct drm_file *file_priv); +void amdgpu_driver_release_kms(struct drm_device *dev); + int amdgpu_device_ip_suspend(struct amdgpu_device *adev); int amdgpu_device_suspend(struct drm_device *dev, bool fbcon); int amdgpu_device_resume(struct drm_device *dev, bool fbcon); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index b4ad1c055c70..3760ce7d8ff8 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -3648,15 +3648,13 @@ int amdgpu_device_init(struct amdgpu_device *adev, * 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 * */ @@ -3673,11 +3671,24 @@ 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; @@ -3703,14 +3714,13 @@ 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); + } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index 6cf573293823..5ebed4c7d9c0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -1311,14 +1311,10 @@ amdgpu_pci_remove(struct pci_dev *pdev) { struct drm_device *dev = pci_get_drvdata(pdev); -#ifdef MODULE - if (THIS_MODULE->state != MODULE_STATE_GOING) -#endif - DRM_ERROR("Hotplug removal is not supported\n"); drm_dev_unplug(dev); amdgpu_driver_unload_kms(dev); + pci_disable_device(pdev); - pci_set_drvdata(pdev, NULL); } static void @@ -1748,6 +1744,7 @@ static const struct drm_driver amdgpu_kms_driver = { .dumb_create = amdgpu_mode_dumb_create, .dumb_map_offset = amdgpu_mode_dumb_mmap, .fops = &amdgpu_driver_kms_fops, + .release = &amdgpu_driver_release_kms, .prime_handle_to_fd = drm_gem_prime_handle_to_fd, .prime_fd_to_handle = drm_gem_prime_fd_to_handle, diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c index 47ea46859618..1ffb36bd0b19 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c @@ -523,7 +523,7 @@ int amdgpu_fence_driver_init(struct amdgpu_device *adev) * * Tear down the fence driver for all possible rings (all asics). */ -void amdgpu_fence_driver_fini(struct amdgpu_device *adev) +void amdgpu_fence_driver_fini_hw(struct amdgpu_device *adev) { unsigned i, j; int r; @@ -545,6 +545,19 @@ void amdgpu_fence_driver_fini(struct amdgpu_device *adev) ring->fence_drv.irq_type); del_timer_sync(&ring->fence_drv.fallback_timer); + } +} + +void amdgpu_fence_driver_fini_sw(struct amdgpu_device *adev) +{ + unsigned int i, j; + + for (i = 0; i < AMDGPU_MAX_RINGS; i++) { + struct amdgpu_ring *ring = adev->rings[i]; + + if (!ring || !ring->fence_drv.initialized) + continue; + for (j = 0; j <= ring->fence_drv.num_fences_mask; ++j) dma_fence_put(ring->fence_drv.fences[j]); kfree(ring->fence_drv.fences); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c index 90f50561b43a..233b64dab94b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c @@ -49,6 +49,7 @@ #include #include #include +#include #include "amdgpu.h" #include "amdgpu_ih.h" #include "atom.h" @@ -348,6 +349,20 @@ int amdgpu_irq_init(struct amdgpu_device *adev) return 0; } + +void amdgpu_irq_fini_hw(struct amdgpu_device *adev) +{ + if (adev->irq.installed) { + drm_irq_uninstall(&adev->ddev); + adev->irq.installed = false; + if (adev->irq.msi_enabled) + pci_free_irq_vectors(adev->pdev); + + if (!amdgpu_device_has_dc_support(adev)) + flush_work(&adev->hotplug_work); + } +} + /** * amdgpu_irq_fini - shut down interrupt handling * @@ -357,19 +372,10 @@ int amdgpu_irq_init(struct amdgpu_device *adev) * functionality, shuts down vblank, hotplug and reset interrupt handling, * turns off interrupts from all sources (all ASICs). */ -void amdgpu_irq_fini(struct amdgpu_device *adev) +void amdgpu_irq_fini_sw(struct amdgpu_device *adev) { unsigned i, j; - if (adev->irq.installed) { - drm_irq_uninstall(adev_to_drm(adev)); - adev->irq.installed = false; - if (adev->irq.msi_enabled) - pci_free_irq_vectors(adev->pdev); - if (!amdgpu_device_has_dc_support(adev)) - flush_work(&adev->hotplug_work); - } - for (i = 0; i < AMDGPU_IRQ_CLIENTID_MAX; ++i) { if (!adev->irq.client[i].sources) continue; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h index cf6116648322..78ad4784cc74 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h @@ -103,7 +103,8 @@ void amdgpu_irq_disable_all(struct amdgpu_device *adev); irqreturn_t amdgpu_irq_handler(int irq, void *arg); int amdgpu_irq_init(struct amdgpu_device *adev); -void amdgpu_irq_fini(struct amdgpu_device *adev); +void amdgpu_irq_fini_sw(struct amdgpu_device *adev); +void amdgpu_irq_fini_hw(struct amdgpu_device *adev); int amdgpu_irq_add_id(struct amdgpu_device *adev, unsigned client_id, unsigned src_id, struct amdgpu_irq_src *source); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c index 39ee88d29cca..f3ecada208b0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c @@ -28,6 +28,7 @@ #include "amdgpu.h" #include +#include #include "amdgpu_uvd.h" #include "amdgpu_vce.h" #include "atom.h" @@ -92,7 +93,7 @@ void amdgpu_driver_unload_kms(struct drm_device *dev) } amdgpu_acpi_fini(adev); - amdgpu_device_fini(adev); + amdgpu_device_fini_hw(adev); } void amdgpu_register_gpu_instance(struct amdgpu_device *adev) @@ -1219,6 +1220,15 @@ void amdgpu_driver_postclose_kms(struct drm_device *dev, pm_runtime_put_autosuspend(dev->dev); } + +void amdgpu_driver_release_kms(struct drm_device *dev) +{ + struct amdgpu_device *adev = drm_to_adev(dev); + + amdgpu_device_fini_sw(adev); + pci_set_drvdata(adev->pdev, NULL); +} + /* * VBlank related functions. */ diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c index 0541196ae1ed..844a667f655b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c @@ -2325,6 +2325,7 @@ int amdgpu_ras_pre_fini(struct amdgpu_device *adev) if (!adev->ras_features || !con) return 0; + /* Need disable ras on all IPs here before ip [hw/sw]fini */ amdgpu_ras_disable_all_features(adev, 0); amdgpu_ras_recovery_fini(adev); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h index ca1622835296..e7d3d0dbdd96 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h @@ -107,7 +107,8 @@ struct amdgpu_fence_driver { }; int amdgpu_fence_driver_init(struct amdgpu_device *adev); -void amdgpu_fence_driver_fini(struct amdgpu_device *adev); +void amdgpu_fence_driver_fini_hw(struct amdgpu_device *adev); +void amdgpu_fence_driver_fini_sw(struct amdgpu_device *adev); void amdgpu_fence_driver_force_completion(struct amdgpu_ring *ring); int amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring, diff --git a/drivers/gpu/drm/amd/amdgpu/cik_ih.c b/drivers/gpu/drm/amd/amdgpu/cik_ih.c index d3745711d55f..183d44a6583c 100644 --- a/drivers/gpu/drm/amd/amdgpu/cik_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/cik_ih.c @@ -309,7 +309,7 @@ static int cik_ih_sw_fini(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; - amdgpu_irq_fini(adev); + amdgpu_irq_fini_sw(adev); amdgpu_ih_ring_fini(adev, &adev->irq.ih); amdgpu_irq_remove_domain(adev); diff --git a/drivers/gpu/drm/amd/amdgpu/cz_ih.c b/drivers/gpu/drm/amd/amdgpu/cz_ih.c index 307c01301c87..d32743949003 100644 --- a/drivers/gpu/drm/amd/amdgpu/cz_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/cz_ih.c @@ -301,7 +301,7 @@ static int cz_ih_sw_fini(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; - amdgpu_irq_fini(adev); + amdgpu_irq_fini_sw(adev); amdgpu_ih_ring_fini(adev, &adev->irq.ih); amdgpu_irq_remove_domain(adev); diff --git a/drivers/gpu/drm/amd/amdgpu/iceland_ih.c b/drivers/gpu/drm/amd/amdgpu/iceland_ih.c index cc957471f31e..da96c6013477 100644 --- a/drivers/gpu/drm/amd/amdgpu/iceland_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/iceland_ih.c @@ -300,7 +300,7 @@ static int iceland_ih_sw_fini(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; - amdgpu_irq_fini(adev); + amdgpu_irq_fini_sw(adev); amdgpu_ih_ring_fini(adev, &adev->irq.ih); amdgpu_irq_remove_domain(adev); diff --git a/drivers/gpu/drm/amd/amdgpu/navi10_ih.c b/drivers/gpu/drm/amd/amdgpu/navi10_ih.c index f4e4040bbd25..5eea4550b856 100644 --- a/drivers/gpu/drm/amd/amdgpu/navi10_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/navi10_ih.c @@ -569,7 +569,7 @@ static int navi10_ih_sw_fini(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; - amdgpu_irq_fini(adev); + amdgpu_irq_fini_sw(adev); amdgpu_ih_ring_fini(adev, &adev->irq.ih_soft); amdgpu_ih_ring_fini(adev, &adev->irq.ih2); amdgpu_ih_ring_fini(adev, &adev->irq.ih1); diff --git a/drivers/gpu/drm/amd/amdgpu/si_ih.c b/drivers/gpu/drm/amd/amdgpu/si_ih.c index 51880f6ef634..751307f3252c 100644 --- a/drivers/gpu/drm/amd/amdgpu/si_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/si_ih.c @@ -175,7 +175,7 @@ static int si_ih_sw_fini(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; - amdgpu_irq_fini(adev); + amdgpu_irq_fini_sw(adev); amdgpu_ih_ring_fini(adev, &adev->irq.ih); return 0; diff --git a/drivers/gpu/drm/amd/amdgpu/tonga_ih.c b/drivers/gpu/drm/amd/amdgpu/tonga_ih.c index 249fcbee7871..973d80ec7f6c 100644 --- a/drivers/gpu/drm/amd/amdgpu/tonga_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/tonga_ih.c @@ -312,7 +312,7 @@ static int tonga_ih_sw_fini(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; - amdgpu_irq_fini(adev); + amdgpu_irq_fini_sw(adev); amdgpu_ih_ring_fini(adev, &adev->irq.ih); amdgpu_irq_remove_domain(adev); diff --git a/drivers/gpu/drm/amd/amdgpu/vega10_ih.c b/drivers/gpu/drm/amd/amdgpu/vega10_ih.c index ca8efa5c6978..dead9c2fbd4c 100644 --- a/drivers/gpu/drm/amd/amdgpu/vega10_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/vega10_ih.c @@ -513,7 +513,7 @@ static int vega10_ih_sw_fini(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; - amdgpu_irq_fini(adev); + amdgpu_irq_fini_sw(adev); amdgpu_ih_ring_fini(adev, &adev->irq.ih_soft); amdgpu_ih_ring_fini(adev, &adev->irq.ih2); amdgpu_ih_ring_fini(adev, &adev->irq.ih1); diff --git a/drivers/gpu/drm/amd/amdgpu/vega20_ih.c b/drivers/gpu/drm/amd/amdgpu/vega20_ih.c index 8a122b413bf5..58993ae1fe11 100644 --- a/drivers/gpu/drm/amd/amdgpu/vega20_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/vega20_ih.c @@ -565,7 +565,7 @@ static int vega20_ih_sw_fini(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; - amdgpu_irq_fini(adev); + amdgpu_irq_fini_sw(adev); amdgpu_ih_ring_fini(adev, &adev->irq.ih_soft); amdgpu_ih_ring_fini(adev, &adev->irq.ih2); amdgpu_ih_ring_fini(adev, &adev->irq.ih1);