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Wed, 28 Apr 2021 15:12:35 +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 Cc: ppaalanen@gmail.com, Alexander.Deucher@amd.com, gregkh@linuxfoundation.org, helgaas@kernel.org, Felix.Kuehling@amd.com, Andrey Grodzovsky Subject: [PATCH v5 02/27] drm/ttm: Expose ttm_tt_unpopulate for driver use Date: Wed, 28 Apr 2021 11:11:42 -0400 Message-Id: <20210428151207.1212258-3-andrey.grodzovsky@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210428151207.1212258-1-andrey.grodzovsky@amd.com> References: <20210428151207.1212258-1-andrey.grodzovsky@amd.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [2607:fea8:3edf:49b0:7212:f93a:73b0:8f23] X-ClientProxiedBy: YT1PR01CA0142.CANPRD01.PROD.OUTLOOK.COM (2603:10b6:b01:2f::21) 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:49b0:7212:f93a:73b0:8f23) by YT1PR01CA0142.CANPRD01.PROD.OUTLOOK.COM (2603:10b6:b01:2f::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4065.25 via Frontend Transport; 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Signed-off-by: Andrey Grodzovsky --- drivers/gpu/drm/ttm/ttm_tt.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c index 48c407cff112..f2ce1b372096 100644 --- a/drivers/gpu/drm/ttm/ttm_tt.c +++ b/drivers/gpu/drm/ttm/ttm_tt.c @@ -431,3 +431,4 @@ void ttm_tt_mgr_init(unsigned long num_pages, unsigned long num_dma32_pages) if (!ttm_dma32_pages_limit) ttm_dma32_pages_limit = num_dma32_pages; } +EXPORT_SYMBOL(ttm_tt_unpopulate); -- 2.25.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,MSGID_FROM_MTA_HEADER,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0FA3FC433ED for ; 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Wed, 28 Apr 2021 15:12:35 +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 Subject: [PATCH v5 02/27] drm/ttm: Expose ttm_tt_unpopulate for driver use Date: Wed, 28 Apr 2021 11:11:42 -0400 Message-Id: <20210428151207.1212258-3-andrey.grodzovsky@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210428151207.1212258-1-andrey.grodzovsky@amd.com> References: <20210428151207.1212258-1-andrey.grodzovsky@amd.com> X-Originating-IP: [2607:fea8:3edf:49b0:7212:f93a:73b0:8f23] X-ClientProxiedBy: YT1PR01CA0142.CANPRD01.PROD.OUTLOOK.COM (2603:10b6:b01:2f::21) 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:49b0:7212:f93a:73b0:8f23) by YT1PR01CA0142.CANPRD01.PROD.OUTLOOK.COM (2603:10b6:b01:2f::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4065.25 via Frontend Transport; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" It's needed to drop iommu backed pages on device unplug before device's IOMMU group is released. Signed-off-by: Andrey Grodzovsky --- drivers/gpu/drm/ttm/ttm_tt.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c index 48c407cff112..f2ce1b372096 100644 --- a/drivers/gpu/drm/ttm/ttm_tt.c +++ b/drivers/gpu/drm/ttm/ttm_tt.c @@ -431,3 +431,4 @@ void ttm_tt_mgr_init(unsigned long num_pages, unsigned long num_dma32_pages) if (!ttm_dma32_pages_limit) ttm_dma32_pages_limit = num_dma32_pages; } +EXPORT_SYMBOL(ttm_tt_unpopulate); -- 2.25.1 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,MSGID_FROM_MTA_HEADER,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 23908C43460 for ; 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Wed, 28 Apr 2021 15:12:35 +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 Subject: [PATCH v5 02/27] drm/ttm: Expose ttm_tt_unpopulate for driver use Date: Wed, 28 Apr 2021 11:11:42 -0400 Message-Id: <20210428151207.1212258-3-andrey.grodzovsky@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210428151207.1212258-1-andrey.grodzovsky@amd.com> References: <20210428151207.1212258-1-andrey.grodzovsky@amd.com> X-Originating-IP: [2607:fea8:3edf:49b0:7212:f93a:73b0:8f23] X-ClientProxiedBy: YT1PR01CA0142.CANPRD01.PROD.OUTLOOK.COM (2603:10b6:b01:2f::21) 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:49b0:7212:f93a:73b0:8f23) by YT1PR01CA0142.CANPRD01.PROD.OUTLOOK.COM (2603:10b6:b01:2f::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4065.25 via Frontend Transport; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" It's needed to drop iommu backed pages on device unplug before device's IOMMU group is released. Signed-off-by: Andrey Grodzovsky --- drivers/gpu/drm/ttm/ttm_tt.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c index 48c407cff112..f2ce1b372096 100644 --- a/drivers/gpu/drm/ttm/ttm_tt.c +++ b/drivers/gpu/drm/ttm/ttm_tt.c @@ -431,3 +431,4 @@ void ttm_tt_mgr_init(unsigned long num_pages, unsigned long num_dma32_pages) if (!ttm_dma32_pages_limit) ttm_dma32_pages_limit = num_dma32_pages; } +EXPORT_SYMBOL(ttm_tt_unpopulate); -- 2.25.1 _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx