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Fri, 26 Aug 2022 21:51:12 -0500 From: brichang To: Subject: [PATCH 14/33] drm/amd/display: Allow PHY state update between same states Date: Sat, 27 Aug 2022 06:50:34 +0800 Message-ID: <20220826225053.1435588-15-Brian.Chang@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220826225053.1435588-1-Brian.Chang@amd.com> References: <20220826225053.1435588-1-Brian.Chang@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: 33db2e36-6299-4865-e28b-08da87d703db X-MS-TrafficTypeDiagnostic: MN2PR12MB3997:EE_ 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:(13230016)(4636009)(396003)(136003)(346002)(39860400002)(376002)(40470700004)(36840700001)(46966006)(7696005)(70206006)(26005)(356005)(6666004)(83380400001)(81166007)(2906002)(47076005)(1076003)(186003)(336012)(82740400003)(426003)(2616005)(86362001)(70586007)(40460700003)(8676002)(36860700001)(4326008)(478600001)(82310400005)(6916009)(54906003)(36756003)(8936002)(41300700001)(316002)(5660300002)(40480700001)(43062005)(36900700001); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 27 Aug 2022 02:51:17.7713 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 33db2e36-6299-4865-e28b-08da87d703db 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: DM6NAM11FT097.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR12MB3997 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, Brian Chang , Sunpeng.Li@amd.com, Harry.Wentland@amd.com, qingqing.zhuo@amd.com, Rodrigo.Siqueira@amd.com, roman.li@amd.com, Taimur Hassan , solomon.chiu@amd.com, Aurabindo.Pillai@amd.com, Alvin Lee , 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" From: Taimur Hassan [Why & How] In some cases, there are calls to transition from TX_ON to TX_ON, such as when using MST or during resolution change. This is expected, so allow HW programming to continue. Reviewed-by: Alvin Lee Acked-by: Brian Chang Signed-off-by: Taimur Hassan --- drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c index b7556111ee44..63648e2056a0 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c @@ -1224,9 +1224,6 @@ void dcn32_update_phy_state(struct dc_state *state, struct pipe_ctx *pipe_ctx, { enum phy_state current_state = pipe_ctx->stream->link->phy_state; - if (current_state == target_state) - return; - if (target_state == TX_OFF_SYMCLK_OFF) { core_link_disable_stream(pipe_ctx); pipe_ctx->stream->link->phy_state = TX_OFF_SYMCLK_OFF; -- 2.25.1