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Fri, 4 Oct 2024 18:45:07 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by MN1PEPF0000F0E0.mail.protection.outlook.com (10.167.242.38) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.8026.11 via Frontend Transport; Fri, 4 Oct 2024 18:45:06 +0000 Received: from atitest-Rembrandt.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Fri, 4 Oct 2024 13:45:04 -0500 From: To: , , , , CC: Boyuan Zhang Subject: [PATCH 09/18] drm/amdgpu: add set_powergating_state_instance Date: Fri, 4 Oct 2024 14:44:35 -0400 Message-ID: <20241004184444.435356-10-boyuan.zhang@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241004184444.435356-1-boyuan.zhang@amd.com> References: <20241004184444.435356-1-boyuan.zhang@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MN1PEPF0000F0E0:EE_|PH7PR12MB8055:EE_ X-MS-Office365-Filtering-Correlation-Id: 05137c48-c918-44e3-0b0e-08dce4a4aabf X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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CTRY:US; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:SATLEXMB04.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(13230040)(36860700013)(376014)(1800799024)(82310400026); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 04 Oct 2024 18:45:06.8777 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 05137c48-c918-44e3-0b0e-08dce4a4aabf 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: MN1PEPF0000F0E0.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR12MB8055 X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" From: Boyuan Zhang Add a new function to allow setting requested powergating state for the given instance. If the instance value doesn't match with the one inside ip_block, then do nothing since this request is for other instances with the same block type. Signed-off-by: Boyuan Zhang --- drivers/gpu/drm/amd/amdgpu/amdgpu.h | 4 +++ drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 37 ++++++++++++++++++++++ 2 files changed, 41 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 3442564fe174..ae59497f3074 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -358,6 +358,10 @@ int amdgpu_device_ip_set_clockgating_state(void *dev, int amdgpu_device_ip_set_powergating_state(void *dev, enum amd_ip_block_type block_type, enum amd_powergating_state state); +int amdgpu_device_ip_set_powergating_state_instance(void *dev, + enum amd_ip_block_type block_type, + enum amd_powergating_state state, + unsigned int inst); void amdgpu_device_ip_get_clockgating_state(struct amdgpu_device *adev, u64 *flags); int amdgpu_device_ip_wait_for_idle(struct amdgpu_device *adev, diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 35a3e71a5a84..f0b6a9675405 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -2162,6 +2162,43 @@ int amdgpu_device_ip_set_powergating_state(void *dev, return r; } +/** + * amdgpu_device_ip_set_powergating_state_instance - set the PG state + * + * @dev: amdgpu_device pointer + * @block_type: Type of hardware IP (SMU, GFX, UVD, etc.) + * @state: powergating state (gate or ungate) + * + * Sets the requested powergating state for the given instance of + * the hardware IP specified. + * Returns the error code from the last instance. + */ +int amdgpu_device_ip_set_powergating_state_instance(void *dev, + enum amd_ip_block_type block_type, + enum amd_powergating_state state, + unsigned int inst) +{ + struct amdgpu_device *adev = dev; + int i, r = 0; + + for (i = 0; i < adev->num_ip_blocks; i++) { + if (!adev->ip_blocks[i].status.valid) + continue; + if (adev->ip_blocks[i].version->type != block_type) + continue; + if (adev->ip_blocks[i].instance != inst) + continue; + if (!adev->ip_blocks[i].version->funcs->set_powergating_state) + continue; + r = adev->ip_blocks[i].version->funcs->set_powergating_state( + (void *)&adev->ip_blocks[i], state); + if (r) + DRM_ERROR("set_powergating_state of IP block <%s> failed %d\n", + adev->ip_blocks[i].version->funcs->name, r); + } + return r; +} + /** * amdgpu_device_ip_get_clockgating_state - get the CG state * -- 2.34.1