<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=us-ascii"> </head> <body> [AMD Official Use Only - Internal Distribution Only] <div> <div style="color: rgb(33, 33, 33); background-color: rgb(255, 255, 255);" dir="auto"> sysfs cleanup is a sw cleanup to me but done inside hw fini. sw/hw separation is not strictly followed, or name it like stage1/stage2 fini.</div> <div style="color: rgb(33, 33, 33); background-color: rgb(255, 255, 255);" dir="auto"> </div> <div id="ms-outlook-mobile-signature">Thanks, Lijo</div> <hr style="display:inline-block;width:98%" tabindex="-1"> <div id="divRplyFwdMsg" dir="ltr">From: amd-gfx <amd-gfx-bounces@lists.freedesktop.org> on behalf of Andrey Grodzovsky <andrey.grodzovsky@amd.com> Sent: Wednesday, April 28, 2021 8:41:43 PM To: dri-devel@lists.freedesktop.org <dri-devel@lists.freedesktop.org>; amd-gfx@lists.freedesktop.org <amd-gfx@lists.freedesktop.org>; linux-pci@vger.kernel.org <linux-pci@vger.kernel.org>; ckoenig.leichtzumerken@gmail.com <ckoenig.leichtzumerken@gmail.com>; daniel.vetter@ffwll.ch <daniel.vetter@ffwll.ch>; Wentland, Harry <Harry.Wentland@amd.com> Cc: Grodzovsky, Andrey <Andrey.Grodzovsky@amd.com>; gregkh@linuxfoundation.org <gregkh@linuxfoundation.org>; Kuehling, Felix <Felix.Kuehling@amd.com>; ppaalanen@gmail.com <ppaalanen@gmail.com>; helgaas@kernel.org <helgaas@kernel.org>; Deucher, Alexander <Alexander.Deucher@amd.com> Subject: [PATCH v5 03/27] drm/amdgpu: Split amdgpu_device_fini into early and late <div> </div> </div> <div class="BodyFragment"> <div class="PlainText">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> --- 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 1af2fa1591fd..fddb82897e5d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -1073,7 +1073,9 @@ 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, @@ -1289,6 +1291,8 @@ 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 6447cd6ca5a8..8d22b79fc1cd 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -3590,14 +3590,12 @@ 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); adev->shutdown = true; - kfree(adev->pci_state); - /* make sure IB test finished before entering exclusive mode * to avoid preemption on IB test * */ @@ -3614,11 +3612,24 @@ 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; @@ -3647,14 +3658,13 @@ 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 671ec1002230..54cb5ee2f563 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -1249,14 +1249,10 @@ 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 @@ -1587,6 +1583,7 @@ 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 8e0a5650d383..34d51e962799 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; @@ -544,6 +544,19 @@ void amdgpu_fence_driver_fini(struct amdgpu_device *adev) if (!ring->no_scheduler) drm_sched_fini(&ring->sched); 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 afbbec82a289..63e815c27585 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c @@ -49,6 +49,7 @@ #include <drm/drm_irq.h> #include <drm/drm_vblank.h> #include <drm/amdgpu_drm.h> +#include <drm/drm_drv.h> #include "amdgpu.h" #include "amdgpu_ih.h" #include "atom.h" @@ -313,6 +314,20 @@ 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 * @@ -322,19 +337,10 @@ 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 ac527e5deae6..392a7324e2b1 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h @@ -104,7 +104,8 @@ 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 64beb3399604..1af3fba7bfd4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c @@ -29,6 +29,7 @@ #include "amdgpu.h" #include <drm/drm_debugfs.h> #include <drm/amdgpu_drm.h> +#include <drm/drm_drv.h> #include "amdgpu_uvd.h" #include "amdgpu_vce.h" #include "atom.h" @@ -93,7 +94,7 @@ 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) @@ -1151,6 +1152,15 @@ 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 1fb2a91ad30a..c0a16eac4923 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c @@ -2142,6 +2142,7 @@ int amdgpu_ras_pre_fini(struct amdgpu_device *adev) if (!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 56acec1075ac..0f195f7bf797 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 88626d83e07b..2d0094c276ca 100644 --- a/drivers/gpu/drm/amd/amdgpu/vega10_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/vega10_ih.c @@ -523,7 +523,7 @@ 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 5a3c867d5881..9059b21b079f 100644 --- a/drivers/gpu/drm/amd/amdgpu/vega20_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/vega20_ih.c @@ -558,7 +558,7 @@ 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); -- 2.25.1 _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org <a href="https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.freedesktop.org%2Fmailman%2Flistinfo%2Famd-gfx&data=04%7C01%7Clijo.lazar%40amd.com%7C71f92dcef6d04dfea28308d90a5818c9%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637552195764790324%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=fzGS6ZXYffGH0DE%2BEM4jxyB8yDGpYO%2FmT%2FKAtgig1Tw%3D&reserved=0">https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.freedesktop.org%2Fmailman%2Flistinfo%2Famd-gfx&data=04%7C01%7Clijo.lazar%40amd.com%7C71f92dcef6d04dfea28308d90a5818c9%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637552195764790324%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=fzGS6ZXYffGH0DE%2BEM4jxyB8yDGpYO%2FmT%2FKAtgig1Tw%3D&reserved=0</a> </div> </div> </div> </body> </html>