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dkim=none (message not signed) header.d=none; lists.freedesktop.org; dmarc=none action=none header.from=amd.com; Received: from SN6PR12MB4623.namprd12.prod.outlook.com (2603:10b6:805:e9::17) by SA0PR12MB4541.namprd12.prod.outlook.com (2603:10b6:806:9e::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4129.26; Thu, 20 May 2021 03:21:13 +0000 Received: from SN6PR12MB4623.namprd12.prod.outlook.com ([fe80::ad51:8c49:b171:856c]) by SN6PR12MB4623.namprd12.prod.outlook.com ([fe80::ad51:8c49:b171:856c%7]) with mapi id 15.20.4129.033; Thu, 20 May 2021 03:21:12 +0000 From: Andrey Grodzovsky To: dri-devel@lists.freedesktop.org, amd-gfx@lists.freedesktop.org, linux-pci@vger.kernel.org, ckoenig.leichtzumerken@gmail.com, daniel.vetter@ffwll.ch, Harry.Wentland@amd.com, Felix.Kuehling@amd.com Subject: [PATCH] drm/amdgpu: Add early fini callback Date: Wed, 19 May 2021 23:20:57 -0400 Message-Id: <20210520032057.497334-1-andrey.grodzovsky@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: References: X-Originating-IP: [2607:fea8:3edf:49b0:9c48:15d0:c2cd:c6e0] X-ClientProxiedBy: YT1PR01CA0043.CANPRD01.PROD.OUTLOOK.COM (2603:10b6:b01:2e::12) To SN6PR12MB4623.namprd12.prod.outlook.com (2603:10b6:805:e9::17) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from agrodzovsky-All-Series.hitronhub.home (2607:fea8:3edf:49b0:9c48:15d0:c2cd:c6e0) by YT1PR01CA0043.CANPRD01.PROD.OUTLOOK.COM (2603:10b6:b01:2e::12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4108.30 via Frontend Transport; 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Signed-off-by: Andrey Grodzovsky Acked-by: Christian König Reviewed-by: Felix Kuehling --- drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 2 +- drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h | 2 +- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 59 +++++++++++++------ drivers/gpu/drm/amd/amdkfd/kfd_device.c | 3 +- .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 12 +++- drivers/gpu/drm/amd/include/amd_shared.h | 2 + 6 files changed, 56 insertions(+), 24 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c index 5f6696a3c778..2b06dee9a0ce 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c @@ -170,7 +170,7 @@ void amdgpu_amdkfd_device_init(struct amdgpu_device *adev) } } -void amdgpu_amdkfd_device_fini(struct amdgpu_device *adev) +void amdgpu_amdkfd_device_fini_sw(struct amdgpu_device *adev) { if (adev->kfd.dev) { kgd2kfd_device_exit(adev->kfd.dev); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h index 5ffb07b02810..d8a537e8aea5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h @@ -127,7 +127,7 @@ void amdgpu_amdkfd_interrupt(struct amdgpu_device *adev, const void *ih_ring_entry); void amdgpu_amdkfd_device_probe(struct amdgpu_device *adev); void amdgpu_amdkfd_device_init(struct amdgpu_device *adev); -void amdgpu_amdkfd_device_fini(struct amdgpu_device *adev); +void amdgpu_amdkfd_device_fini_sw(struct amdgpu_device *adev); int amdgpu_amdkfd_submit_ib(struct kgd_dev *kgd, enum kgd_engine_type engine, uint32_t vmid, uint64_t gpu_addr, uint32_t *ib_cmd, uint32_t ib_len); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 8bee95ad32d9..bc75e35dd8d8 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -2558,34 +2558,26 @@ static int amdgpu_device_ip_late_init(struct amdgpu_device *adev) return 0; } -/** - * amdgpu_device_ip_fini - run fini for hardware IPs - * - * @adev: amdgpu_device pointer - * - * Main teardown pass for hardware IPs. The list of all the hardware - * IPs that make up the asic is walked and the hw_fini and sw_fini callbacks - * are run. hw_fini tears down the hardware associated with each IP - * and sw_fini tears down any software state associated with each IP. - * Returns 0 on success, negative error code on failure. - */ -static int amdgpu_device_ip_fini(struct amdgpu_device *adev) +static int amdgpu_device_ip_fini_early(struct amdgpu_device *adev) { int i, r; - if (amdgpu_sriov_vf(adev) && adev->virt.ras_init_done) - amdgpu_virt_release_ras_err_handler_data(adev); + for (i = 0; i < adev->num_ip_blocks; i++) { + if (!adev->ip_blocks[i].version->funcs->early_fini) + continue; - amdgpu_ras_pre_fini(adev); + r = adev->ip_blocks[i].version->funcs->early_fini((void *)adev); + if (r) { + DRM_DEBUG("early_fini of IP block <%s> failed %d\n", + adev->ip_blocks[i].version->funcs->name, r); + } + } - if (adev->gmc.xgmi.num_physical_nodes > 1) - amdgpu_xgmi_remove_device(adev); + amdgpu_amdkfd_suspend(adev, false); amdgpu_device_set_pg_state(adev, AMD_PG_STATE_UNGATE); amdgpu_device_set_cg_state(adev, AMD_CG_STATE_UNGATE); - amdgpu_amdkfd_device_fini(adev); - /* need to disable SMC first */ for (i = 0; i < adev->num_ip_blocks; i++) { if (!adev->ip_blocks[i].status.hw) @@ -2616,6 +2608,33 @@ static int amdgpu_device_ip_fini(struct amdgpu_device *adev) adev->ip_blocks[i].status.hw = false; } + return 0; +} + +/** + * amdgpu_device_ip_fini - run fini for hardware IPs + * + * @adev: amdgpu_device pointer + * + * Main teardown pass for hardware IPs. The list of all the hardware + * IPs that make up the asic is walked and the hw_fini and sw_fini callbacks + * are run. hw_fini tears down the hardware associated with each IP + * and sw_fini tears down any software state associated with each IP. + * Returns 0 on success, negative error code on failure. + */ +static int amdgpu_device_ip_fini(struct amdgpu_device *adev) +{ + int i, r; + + if (amdgpu_sriov_vf(adev) && adev->virt.ras_init_done) + amdgpu_virt_release_ras_err_handler_data(adev); + + amdgpu_ras_pre_fini(adev); + + if (adev->gmc.xgmi.num_physical_nodes > 1) + amdgpu_xgmi_remove_device(adev); + + amdgpu_amdkfd_device_fini_sw(adev); for (i = adev->num_ip_blocks - 1; i >= 0; i--) { if (!adev->ip_blocks[i].status.sw) @@ -3681,6 +3700,8 @@ void amdgpu_device_fini_hw(struct amdgpu_device *adev) amdgpu_fbdev_fini(adev); amdgpu_irq_fini_hw(adev); + + amdgpu_device_ip_fini_early(adev); } void amdgpu_device_fini_sw(struct amdgpu_device *adev) diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c index 357b9bf62a1c..ab6d2a43c9a3 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c @@ -858,10 +858,11 @@ bool kgd2kfd_device_init(struct kfd_dev *kfd, return kfd->init_complete; } + + void kgd2kfd_device_exit(struct kfd_dev *kfd) { if (kfd->init_complete) { - kgd2kfd_suspend(kfd, false); device_queue_manager_uninit(kfd->dqm); kfd_interrupt_exit(kfd); kfd_topology_remove_device(kfd); diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 9ca517b65854..f7112865269a 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -1251,6 +1251,15 @@ static int amdgpu_dm_init(struct amdgpu_device *adev) return -EINVAL; } +static int amdgpu_dm_early_fini(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + amdgpu_dm_audio_fini(adev); + + return 0; +} + static void amdgpu_dm_fini(struct amdgpu_device *adev) { int i; @@ -1259,8 +1268,6 @@ static void amdgpu_dm_fini(struct amdgpu_device *adev) drm_encoder_cleanup(&adev->dm.mst_encoders[i].base); } - amdgpu_dm_audio_fini(adev); - amdgpu_dm_destroy_drm_device(&adev->dm); #if defined(CONFIG_DRM_AMD_SECURE_DISPLAY) @@ -2298,6 +2305,7 @@ static const struct amd_ip_funcs amdgpu_dm_funcs = { .late_init = dm_late_init, .sw_init = dm_sw_init, .sw_fini = dm_sw_fini, + .early_fini = amdgpu_dm_early_fini, .hw_init = dm_hw_init, .hw_fini = dm_hw_fini, .suspend = dm_suspend, diff --git a/drivers/gpu/drm/amd/include/amd_shared.h b/drivers/gpu/drm/amd/include/amd_shared.h index 43ed6291b2b8..1ad56da486e4 100644 --- a/drivers/gpu/drm/amd/include/amd_shared.h +++ b/drivers/gpu/drm/amd/include/amd_shared.h @@ -240,6 +240,7 @@ enum amd_dpm_forced_level; * @late_init: sets up late driver/hw state (post hw_init) - Optional * @sw_init: sets up driver state, does not configure hw * @sw_fini: tears down driver state, does not configure hw + * @early_fini: tears down stuff before dev detached from driver * @hw_init: sets up the hw state * @hw_fini: tears down the hw state * @late_fini: final cleanup @@ -268,6 +269,7 @@ struct amd_ip_funcs { int (*late_init)(void *handle); int (*sw_init)(void *handle); int (*sw_fini)(void *handle); + int (*early_fini)(void *handle); int (*hw_init)(void *handle); int (*hw_fini)(void *handle); void (*late_fini)(void *handle);