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Fri, 22 Sep 2023 17:53:04 +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 MWH0EPF000971E4.mail.protection.outlook.com (10.167.243.72) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.6792.20 via Frontend Transport; Fri, 22 Sep 2023 17:53:03 +0000 Received: from jatayu.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 15.1.2507.27; Fri, 22 Sep 2023 12:52:57 -0500 From: Shyam Sundar S K To: , , , , , , , , , CC: , , , , , , "Shyam Sundar S K" Subject: [PATCH 13/15] platform/x86/amd/pmf: Add PMF-AMDGPU set interface Date: Fri, 22 Sep 2023 23:20:54 +0530 Message-ID: <20230922175056.244940-14-Shyam-sundar.S-k@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230922175056.244940-1-Shyam-sundar.S-k@amd.com> References: <20230922175056.244940-1-Shyam-sundar.S-k@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: MWH0EPF000971E4:EE_|CH2PR12MB4860:EE_ X-MS-Office365-Filtering-Correlation-Id: 83b0c5f3-fde7-4aa1-3dec-08dbbb94c53d X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 Sep 2023 17:53:03.3923 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 83b0c5f3-fde7-4aa1-3dec-08dbbb94c53d 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: MWH0EPF000971E4.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH2PR12MB4860 Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org For the Smart PC Solution to fully work, it has to enact to the actions coming from TA. Add the initial code path for set interface to AMDGPU. Co-developed-by: Mario Limonciello Signed-off-by: Mario Limonciello Signed-off-by: Shyam Sundar S K --- drivers/gpu/drm/amd/amdgpu/amdgpu_pmf.c | 21 +++++++++++++++++++++ drivers/platform/x86/amd/pmf/pmf.h | 2 ++ drivers/platform/x86/amd/pmf/tee-if.c | 19 +++++++++++++++++-- include/linux/amd-pmf-io.h | 1 + 4 files changed, 41 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pmf.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pmf.c index 232d11833ddc..5c567bff0548 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pmf.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pmf.c @@ -68,3 +68,24 @@ int amd_pmf_get_gfx_data(struct amd_gpu_pmf_data *pmf) return 0; } EXPORT_SYMBOL_GPL(amd_pmf_get_gfx_data); + +int amd_pmf_set_gfx_data(struct amd_gpu_pmf_data *pmf) +{ + struct drm_device *drm_dev = pci_get_drvdata(pmf->gpu_dev); + struct amdgpu_device *adev = drm_to_adev(drm_dev); + struct backlight_device *bd; + + if (!(adev->flags & AMD_IS_APU)) { + DRM_ERROR("PMF-AMDGPU interface not supported\n"); + return -ENODEV; + } + + bd = backlight_device_get_by_type(BACKLIGHT_RAW); + if (!bd) + return -ENODEV; + + backlight_device_set_brightness(bd, pmf->brightness); + + return 0; +} +EXPORT_SYMBOL_GPL(amd_pmf_set_gfx_data); diff --git a/drivers/platform/x86/amd/pmf/pmf.h b/drivers/platform/x86/amd/pmf/pmf.h index 9032df4ba48a..ce89cc0daa5a 100644 --- a/drivers/platform/x86/amd/pmf/pmf.h +++ b/drivers/platform/x86/amd/pmf/pmf.h @@ -73,6 +73,7 @@ #define PMF_POLICY_STT_SKINTEMP_APU 7 #define PMF_POLICY_STT_SKINTEMP_HS2 8 #define PMF_POLICY_SYSTEM_STATE 9 +#define PMF_POLICY_DISPLAY_BRIGHTNESS 12 #define PMF_POLICY_P3T 38 /* TA macros */ @@ -480,6 +481,7 @@ enum ta_pmf_error_type { }; struct pmf_action_table { + unsigned long display_brightness; enum system_state system_state; unsigned long spl; /* in mW */ unsigned long sppt; /* in mW */ diff --git a/drivers/platform/x86/amd/pmf/tee-if.c b/drivers/platform/x86/amd/pmf/tee-if.c index 1608996654e8..eefffff83a4c 100644 --- a/drivers/platform/x86/amd/pmf/tee-if.c +++ b/drivers/platform/x86/amd/pmf/tee-if.c @@ -79,10 +79,10 @@ static int amd_pmf_update_uevents(struct amd_pmf_dev *dev, u16 event) return 0; } -static void amd_pmf_apply_policies(struct amd_pmf_dev *dev, struct ta_pmf_enact_result *out) +static int amd_pmf_apply_policies(struct amd_pmf_dev *dev, struct ta_pmf_enact_result *out) { u32 val, event = 0; - int idx; + int idx, ret; for (idx = 0; idx < out->actions_count; idx++) { val = out->actions_list[idx].value; @@ -160,8 +160,23 @@ static void amd_pmf_apply_policies(struct amd_pmf_dev *dev, struct ta_pmf_enact_ dev->prev_data->system_state = 0; } break; + + case PMF_POLICY_DISPLAY_BRIGHTNESS: + ret = amd_pmf_get_gfx_data(&dev->gfx_data); + if (ret) + return ret; + + dev->prev_data->display_brightness = dev->gfx_data.brightness; + if (dev->prev_data->display_brightness != val) { + dev->gfx_data.brightness = val; + amd_pmf_set_gfx_data(&dev->gfx_data); + dev_dbg(dev->dev, "update DISPLAY_BRIGHTNESS : %d\n", val); + } + break; } } + + return 0; } static int amd_pmf_invoke_cmd_enact(struct amd_pmf_dev *dev) diff --git a/include/linux/amd-pmf-io.h b/include/linux/amd-pmf-io.h index a2d4af231362..ecae387ddaa6 100644 --- a/include/linux/amd-pmf-io.h +++ b/include/linux/amd-pmf-io.h @@ -25,4 +25,5 @@ struct amd_gpu_pmf_data { }; int amd_pmf_get_gfx_data(struct amd_gpu_pmf_data *pmf); +int amd_pmf_set_gfx_data(struct amd_gpu_pmf_data *pmf); #endif