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Tue, 10 May 2022 15:46:47 -0500 From: David Zhang To: Subject: [PATCH v2 18/19] drm/amd/display: expose AMD source specific DPCD for FreeSync PSR support Date: Tue, 10 May 2022 16:45:07 -0400 Message-ID: <20220510204508.506089-19-dingchen.zhang@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220510204508.506089-1-dingchen.zhang@amd.com> References: <20220510204508.506089-1-dingchen.zhang@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 989012f5-26fa-4d4d-c1de-08da32c635af X-MS-TrafficTypeDiagnostic: BN8PR12MB3283:EE_ X-Microsoft-Antispam-PRVS: X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: l1Fz0y8Zh3keY0TFW4jV3wpa9Xr6fGEisvgH5p0mQqhBV73pAM4t+lNtn7H3M7L+FDorzTrP3ctASvUWcKSeZWd5zyd1sTXgXFyzL/M57endCPWgB38/gumuZ6vBygEWOTq2RpSKkLyF11lZr6kx96uWAb6LmXQlicFNeeWolXuDbSWBIpYIcRi49pgAKVqJgt4o85ejX5EwcCa4B72GUCn4wkb2BcKL7w0vvvvIQdsLuSQ1ha/oXWojrr83XJzjjMtJyG9P2YFTQZ5BSfz5e186Qf7rbxi48+2GJqwzpT8wzrCw8z1lvEzvfHT1u1BF33WHEb0GxhA0/eCe46IzPsfdLAXtZpA9AgvUV9gSpgD4EXfg3h+tik1RQOnQ9tW4dzK3ekx+KzAoSurzRW4ZvGSzPawBaJessjK0CPceUiZX0ClHhq8C5tq4LnDzDDuDIar0Vt5fRcxHlrztNVQbEQIdB0xoevHhPAKPrDgEvuFXU5G3AvxbAlsXTs3AvFzXFJn7iaK+OkuGkPYjOX4Qpbk94h/b7j7Zc6I+5E32lxGBfzHMMM/RgZZW6zK2crLGtUmR0Nw84ssFWGGq4veUZMjuvHmwPrG/bdytwHRKIDWXcudFoaluYBMPe+JoeVS+eQltXwxF8JqTN+yFjlPDIOvNVe9d/PHpsCdtcQiSpjyD0ZOGJrAOvMSX79sR3iRiMSaHbhkrGm4CgFmjptDJPg== 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:(13230001)(4636009)(36840700001)(46966006)(40470700004)(47076005)(426003)(186003)(36756003)(82310400005)(336012)(36860700001)(70586007)(8936002)(40460700003)(26005)(5660300002)(2616005)(8676002)(4744005)(4326008)(1076003)(54906003)(86362001)(508600001)(6916009)(7696005)(81166007)(6666004)(2906002)(316002)(356005)(70206006)(36900700001); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 May 2022 20:46:51.0096 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 989012f5-26fa-4d4d-c1de-08da32c635af 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: CO1NAM11FT031.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN8PR12MB3283 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: , Cc: stylon.wang@amd.com, David Zhang , Sunpeng.Li@amd.com, Harry.Wentland@amd.com, qingqing.zhuo@amd.com, Rodrigo.Siqueira@amd.com, roman.li@amd.com, solomon.chiu@amd.com, jerry.zuo@amd.com, Aurabindo.Pillai@amd.com, wayne.lin@amd.com, Bhawanpreet.Lakha@amd.com, agustin.gutierrez@amd.com, pavle.kotarac@amd.com Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" [why & how] The source specific DPCD exposure which is to set the sink device PSR active vtotal control mode. Signed-off-by: David Zhang --- drivers/gpu/drm/amd/display/include/ddc_service_types.h | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/amd/display/include/ddc_service_types.h b/drivers/gpu/drm/amd/display/include/ddc_service_types.h index 73b9e0a87e54..054253286886 100644 --- a/drivers/gpu/drm/amd/display/include/ddc_service_types.h +++ b/drivers/gpu/drm/amd/display/include/ddc_service_types.h @@ -40,6 +40,7 @@ #define DP_DEVICE_ID_38EC11 0x38EC11 #define DP_FORCE_PSRSU_CAPABILITY 0x40F +#define DP_SINK_PSR_ACTIVE_VTOTAL_CONTROL_MODE 0x375 enum ddc_result { DDC_RESULT_UNKNOWN = 0, -- 2.25.1