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Fri, 26 Nov 2021 13:49:32 -0600 From: Bhawanpreet Lakha To: Subject: [PATCH 07/16] drm/amd/display: add function for eDP and backlight power on Date: Fri, 26 Nov 2021 14:49:13 -0500 Message-ID: <20211126194922.816835-8-Bhawanpreet.Lakha@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211126194922.816835-1-Bhawanpreet.Lakha@amd.com> References: <20211126194922.816835-1-Bhawanpreet.Lakha@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: f2df2f7d-d7d9-45b1-f825-08d9b115dfae X-MS-TrafficTypeDiagnostic: BN7PR12MB2611: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:2733; 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:SATLEXMB03.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(4636009)(36840700001)(46966006)(336012)(86362001)(36756003)(6916009)(4326008)(81166007)(6666004)(8676002)(426003)(2616005)(186003)(8936002)(47076005)(54906003)(82310400004)(316002)(36860700001)(26005)(356005)(2906002)(70586007)(508600001)(70206006)(5660300002)(1076003)(36900700001); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 26 Nov 2021 19:49:35.3262 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: f2df2f7d-d7d9-45b1-f825-08d9b115dfae 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=[SATLEXMB03.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT054.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN7PR12MB2611 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, Anthony Koo , solomon.chiu@amd.com, Sunpeng.Li@amd.com, Harry.Wentland@amd.com, qingqing.zhuo@amd.com, Evgenii Krasnikov , Rodrigo.Siqueira@amd.com, roman.li@amd.com, Anson.Jacob@amd.com, Aurabindo.Pillai@amd.com, wayne.lin@amd.com, mikita.lipski@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: Evgenii Krasnikov [HOW&WHY] Add function to be used for early eDP power on Reviewed-by: Anthony Koo Acked-by: Bhawanpreet Lakha Signed-off-by: Evgenii Krasnikov --- drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 11 +++++++++++ drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h | 1 + 2 files changed, 12 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c index 297553074bfd..ee9b80809fc5 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c @@ -6289,3 +6289,14 @@ bool is_dp_128b_132b_signal(struct pipe_ctx *pipe_ctx) dc_is_dp_signal(pipe_ctx->stream->signal)); } #endif + +void edp_panel_backlight_power_on(struct dc_link *link) +{ + if (link->connector_signal != SIGNAL_TYPE_EDP) + return; + + link->dc->hwss.edp_power_control(link, true); + link->dc->hwss.edp_wait_for_hpd_ready(link, true); + if (link->dc->hwss.edp_backlight_control) + link->dc->hwss.edp_backlight_control(link, true); +} diff --git a/drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h b/drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h index a6d3d859754a..8f50b1ba2058 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h +++ b/drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h @@ -217,4 +217,5 @@ bool is_dp_128b_132b_signal(struct pipe_ctx *pipe_ctx); void reset_dp_hpo_stream_encoders_for_link(struct dc_link *link); bool dp_retrieve_lttpr_cap(struct dc_link *link); +void edp_panel_backlight_power_on(struct dc_link *link); #endif /* __DC_LINK_DP_H__ */ -- 2.25.1