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Wed, 4 Oct 2023 11:17:27 -0500 From: Arvind Yadav To: , , , , , , , CC: , , , Arvind Yadav , Christian Koenig Subject: [PATCH v3 1/2] drm/amdgpu: Adding db_size to get doorbell absolute offset Date: Wed, 4 Oct 2023 21:46:51 +0530 Message-ID: <20231004161652.3082-2-Arvind.Yadav@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231004161652.3082-1-Arvind.Yadav@amd.com> References: <20231004161652.3082-1-Arvind.Yadav@amd.com> MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SA2PEPF00001509:EE_|CH3PR12MB9218:EE_ X-MS-Office365-Filtering-Correlation-Id: 1950236f-51ed-4962-3b50-08dbc4f56970 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230031)(4636009)(136003)(376002)(396003)(39860400002)(346002)(230922051799003)(64100799003)(82310400011)(186009)(1800799009)(451199024)(46966006)(40470700004)(36840700001)(16526019)(83380400001)(110136005)(316002)(70206006)(54906003)(70586007)(26005)(1076003)(336012)(40480700001)(6666004)(81166007)(36756003)(7696005)(82740400003)(2616005)(86362001)(356005)(47076005)(36860700001)(478600001)(40460700003)(2906002)(426003)(8936002)(8676002)(41300700001)(4326008)(5660300002)(36900700001);DIR:OUT;SFP:1101; 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Wed, 04 Oct 2023 09:18:04 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1778842375807710535 X-GMAIL-MSGID: 1778842375807710535 Here, passing db_size in byte to find the doorbell's absolute offset for both 32-bit and 64-bit doorbell sizes. So that doorbell offset will be aligned based on the doorbell size. v3: - Adding db_size as parameter to get db absolute offset. Cc: Christian Koenig Cc: Alex Deucher Signed-off-by: Shashank Sharma Signed-off-by: Arvind Yadav --- drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h | 5 +++-- drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell_mgr.c | 13 +++++++++---- 2 files changed, 12 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h index 09f6727e7c73..4a8b33f55f6b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h @@ -357,8 +357,9 @@ int amdgpu_doorbell_init(struct amdgpu_device *adev); void amdgpu_doorbell_fini(struct amdgpu_device *adev); int amdgpu_doorbell_create_kernel_doorbells(struct amdgpu_device *adev); uint32_t amdgpu_doorbell_index_on_bar(struct amdgpu_device *adev, - struct amdgpu_bo *db_bo, - uint32_t doorbell_index); + struct amdgpu_bo *db_bo, + uint32_t doorbell_index, + uint32_t db_size); #define RDOORBELL32(index) amdgpu_mm_rdoorbell(adev, (index)) #define WDOORBELL32(index, v) amdgpu_mm_wdoorbell(adev, (index), (v)) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell_mgr.c index da4be0bbb446..6690f5a72f4d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell_mgr.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell_mgr.c @@ -114,19 +114,24 @@ void amdgpu_mm_wdoorbell64(struct amdgpu_device *adev, u32 index, u64 v) * @adev: amdgpu_device pointer * @db_bo: doorbell object's bo * @db_index: doorbell relative index in this doorbell object + * @db_size: doorbell size is in byte * * returns doorbell's absolute index in BAR */ uint32_t amdgpu_doorbell_index_on_bar(struct amdgpu_device *adev, - struct amdgpu_bo *db_bo, - uint32_t doorbell_index) + struct amdgpu_bo *db_bo, + uint32_t doorbell_index, + uint32_t db_size) { int db_bo_offset; db_bo_offset = amdgpu_bo_gpu_offset_no_check(db_bo); - /* doorbell index is 32 bit but doorbell's size is 64-bit, so *2 */ - return db_bo_offset / sizeof(u32) + doorbell_index * 2; + /* doorbell index is 32 bit but doorbell's size can be 32 bit + * or 64 bit, so *db_size(in byte)/4 for alignment. + */ + return db_bo_offset / sizeof(u32) + doorbell_index * + DIV_ROUND_UP(db_size, 4); } /** From patchwork Wed Oct 4 16:16:52 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arvind Yadav X-Patchwork-Id: 148399 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:612c:254a:b0:403:3b70:6f57 with SMTP id hf10csp248338vqb; Wed, 4 Oct 2023 09:18:25 -0700 (PDT) X-Google-Smtp-Source: AGHT+IGVcu+XgJGOKccAVyRomK0k3HiLFsvIiWMLxKOR4FPadKbEniwo02gjpviSaewBNj1e+mQv X-Received: by 2002:a05:6358:94a0:b0:141:162:b0cd with SMTP id i32-20020a05635894a000b001410162b0cdmr2819436rwb.19.1696436304913; Wed, 04 Oct 2023 09:18:24 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1696436304; cv=pass; d=google.com; s=arc-20160816; b=uenYbJgocMfl7kaCIyySYqWCvCzffAZb0PuCPhv8L6kby1MAFsxVgnhYLhbAZOWMbv eXzE6ECOnKnzRSl5mi7QhZyDEn9122gfR1HVEzQrVmpueHq1kFB4wbvWun8uX3XkiIF6 Zd1hgk5ewu3QzDRf0MRLW2V4E15GTZ4hjKfCO1Y8xjUQXwfAgxKCGigH0nr5ogjGffpn BLKqnm7Y/mPP6nfH77FuZAo5/VsczB7Ce2gFLF4TuW+4MaYksjujOyEO3FRiYiui0XeM q5VscoQ4fJXP4V4gN9lxCPt73IklCB5/XxEJwJR4nL/91v89MdyIRaEIi9O3e5Oedjzm SiYQ== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=Es0jW7d0Zd06dExpQU3GJUEwE03uYLKyNmoJ9Sv5hnE=; fh=ay2M3ioaqOwwrS5OY1CvUKcgO9QZSdOXrxpSTc1vX2w=; b=efb8qRvoRriynaM9p9dP7tYe11JK03yTCrhGZVDNTfNYGL2Cs9sqcrSKkmb0tlP0/7 MIY1B1pd/dn1WYYSrDvezyDjQKwzTPq6h0ypjK92mkCSzXgyG42YRtMKa+HfFUOmnNFF mf6zujL+th0qoh57KZZC/bsdE4lINWyCJknXb7o6JQQY9TfxiO5C64Lu684n8Vw/G/Sb rK9a4/T61eicd1z2g6w9M82cvHWRPEAu0wS1hsK4KXHVr8d/cF0ZHJrRVAJj5OxP7KtW aP02NnPS8iEAI7oedPMaUnm7/P09wqOSBHrewP4X6PioSppAFTUxrQloSa4YFUz7dPNA y0ug== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@amd.com header.s=selector1 header.b=1BjxBJfZ; arc=pass (i=1 spf=pass spfdomain=amd.com dmarc=pass fromdomain=amd.com); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:5 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=amd.com Received: from groat.vger.email (groat.vger.email. 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Wed, 4 Oct 2023 11:17:33 -0500 From: Arvind Yadav To: , , , , , , , CC: , , , Arvind Yadav , Christian Koenig Subject: [PATCH v3 2/2] drm/amdkfd: get doorbell's absolute offset based on the db size Date: Wed, 4 Oct 2023 21:46:52 +0530 Message-ID: <20231004161652.3082-3-Arvind.Yadav@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231004161652.3082-1-Arvind.Yadav@amd.com> References: <20231004161652.3082-1-Arvind.Yadav@amd.com> MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SA2PEPF00001509:EE_|PH0PR12MB7791:EE_ X-MS-Office365-Filtering-Correlation-Id: 2d4908ca-1ee0-4e37-9eb1-08dbc4f56cfc X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: rg7DPFDVxPuC0AFbjdO9zFXOctuQup99qJ1Yeii2pXfYK6lbGem8HwpocJ6cXcBu0kKWgJ++T7uuE/ND4lVqdD/oYQNDa3xfuMVNfOnv4o+F6lDQoUsVwsXyJjt6VVAXFYpfeEmRxJbPaPYKvOMPv/qK2jqILTdnql/nbsQeDH8WZ9Y4YLXj4P0PWZ255jxA003TVG1Mx9TSwxkrorTsp+Xw2aI+kx+io0LirMs5bbSStHVKUArg6EXCPEVGRPJMXjsE786IsoUM8t2pWSxvWjKSSxzTmMI9iReIZU45cHway2EC4Rk3jE9+eFdWw6MH5ozWswvH5zAZNByL9cA5UtyApFDon5hWTGCW7u+xCOgShCCG+vMFD0UQr3q2LvMnEzo7eK5HwvGFA26B101amYYxLsLKaWibMECxZiZfZ+HJ1TizOo9snM9hBHIR610B5LRU6kv/L5S2VEKwHt6huDl/rcOig7/5A69tSdOHvJjEQR4rl6fcgg4LHJ8hsf3eMgso1QfOQ/ztayTP6pjV10OzhYd8y6mZd6oC/Zy06UD/JPxsXrkmj1wlEcpdxK5W0NuZgbYF9dE7NDlWVJG9wHz436Pl5dutBUH43y1hq1W5UC5djQwsEgKkZNOqhgvc5PJ+MXpPsOPF3VCR21aNGIInWHrT3c5d3jsYcvhyUkE+LANVQDAek2N3gvfsOEVzGxxjYZrdNSqo2d/vrk8N485A5REdC9kJJNKaMA8zIzEuV8OXlKEDk4Xck0pTeAjlheeqHO4+mRgvy02CRI4ogQ== X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230031)(4636009)(346002)(136003)(396003)(39860400002)(376002)(230922051799003)(451199024)(82310400011)(64100799003)(1800799009)(186009)(46966006)(40470700004)(36840700001)(40460700003)(336012)(426003)(5660300002)(82740400003)(356005)(81166007)(6666004)(7696005)(86362001)(2906002)(1076003)(2616005)(36756003)(478600001)(40480700001)(16526019)(26005)(8676002)(4326008)(36860700001)(47076005)(110136005)(54906003)(8936002)(70586007)(316002)(70206006)(83380400001)(41300700001)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 04 Oct 2023 16:17:37.6802 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 2d4908ca-1ee0-4e37-9eb1-08dbc4f56cfc X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: SA2PEPF00001509.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR12MB7791 X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on groat.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (groat.vger.email [0.0.0.0]); Wed, 04 Oct 2023 09:18:18 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1778842394830891104 X-GMAIL-MSGID: 1778842394830891104 This patch is to align the absolute doorbell offset based on the doorbell's size. So that doorbell offset will be aligned for both 32 bit and 64 bit. v2: - Addressed the review comment from Felix. v3: - Adding doorbell_size as parameter to get db absolute offset. Cc: Christian Koenig Cc: Alex Deucher Signed-off-by: Shashank Sharma Signed-off-by: Arvind Yadav --- .../gpu/drm/amd/amdkfd/kfd_device_queue_manager.c | 6 +++++- drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c | 13 +++++++++++-- .../gpu/drm/amd/amdkfd/kfd_process_queue_manager.c | 4 +++- 3 files changed, 19 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c index 0d3d538b64eb..690ff131fe4b 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c @@ -346,6 +346,7 @@ static int allocate_doorbell(struct qcm_process_device *qpd, uint32_t const *restore_id) { struct kfd_node *dev = qpd->dqm->dev; + uint32_t doorbell_size; if (!KFD_IS_SOC15(dev)) { /* On pre-SOC15 chips we need to use the queue ID to @@ -405,9 +406,12 @@ static int allocate_doorbell(struct qcm_process_device *qpd, } } + doorbell_size = dev->kfd->device_info.doorbell_size; + q->properties.doorbell_off = amdgpu_doorbell_index_on_bar(dev->adev, qpd->proc_doorbells, - q->doorbell_id); + q->doorbell_id, + doorbell_size); return 0; } diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c b/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c index 7b38537c7c99..59dd76c4b138 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c @@ -161,7 +161,10 @@ void __iomem *kfd_get_kernel_doorbell(struct kfd_dev *kfd, if (inx >= KFD_MAX_NUM_OF_QUEUES_PER_PROCESS) return NULL; - *doorbell_off = amdgpu_doorbell_index_on_bar(kfd->adev, kfd->doorbells, inx); + *doorbell_off = amdgpu_doorbell_index_on_bar(kfd->adev, + kfd->doorbells, + inx, + kfd->device_info.doorbell_size); inx *= 2; pr_debug("Get kernel queue doorbell\n" @@ -233,6 +236,7 @@ phys_addr_t kfd_get_process_doorbells(struct kfd_process_device *pdd) { struct amdgpu_device *adev = pdd->dev->adev; uint32_t first_db_index; + uint32_t doorbell_size; if (!pdd->qpd.proc_doorbells) { if (kfd_alloc_process_doorbells(pdd->dev->kfd, pdd)) @@ -240,7 +244,12 @@ phys_addr_t kfd_get_process_doorbells(struct kfd_process_device *pdd) return 0; } - first_db_index = amdgpu_doorbell_index_on_bar(adev, pdd->qpd.proc_doorbells, 0); + doorbell_size = pdd->dev->kfd->device_info.doorbell_size; + + first_db_index = amdgpu_doorbell_index_on_bar(adev, + pdd->qpd.proc_doorbells, + 0, + doorbell_size); return adev->doorbell.base + first_db_index * sizeof(uint32_t); } diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c index adb5e4bdc0b2..010cd8e8e6a1 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c @@ -375,9 +375,11 @@ int pqm_create_queue(struct process_queue_manager *pqm, * relative doorbell index = Absolute doorbell index - * absolute index of first doorbell in the page. */ + uint32_t doorbell_size = pdd->dev->kfd->device_info.doorbell_size; uint32_t first_db_index = amdgpu_doorbell_index_on_bar(pdd->dev->adev, pdd->qpd.proc_doorbells, - 0); + 0, + doorbell_size); *p_doorbell_offset_in_process = (q->properties.doorbell_off - first_db_index) * sizeof(uint32_t);