From patchwork Thu May 30 09:36:14 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aradhya Bhatia X-Patchwork-Id: 13680045 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 78C99C25B74 for ; Thu, 30 May 2024 09:36:41 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 856E511AB7B; Thu, 30 May 2024 09:36:40 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (1024-bit key; unprotected) header.d=ti.com header.i=@ti.com header.b="NbWkCLyi"; dkim-atps=neutral Received: from lelv0143.ext.ti.com (lelv0143.ext.ti.com [198.47.23.248]) by gabe.freedesktop.org (Postfix) with ESMTPS id 08D1D11AB7B for ; Thu, 30 May 2024 09:36:38 +0000 (UTC) Received: from fllv0035.itg.ti.com ([10.64.41.0]) by lelv0143.ext.ti.com (8.15.2/8.15.2) with ESMTP id 44U9aQX4055554; Thu, 30 May 2024 04:36:26 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1717061786; bh=8IsrSRtFydZv3T+0eIRnXTxvkv96aiYK/zRbroJAvnw=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=NbWkCLyiXn22mHNHAVj/Qir2Nf12AdmLgoZwihAmwLFup9REorPyDNtH5tZ9zvkb9 dMOTi6rY0RR2l3VJKAjP0ReQlE2lGGtPTN6+QNtcvIOWZJJ8/qGEB2VkH2z/5/uvY7 HTVFGDTXYbEEEUIRS0a70AMIsoC7FxRoQi+IWxJA= Received: from DFLE112.ent.ti.com (dfle112.ent.ti.com [10.64.6.33]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 44U9aQZQ128496 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 30 May 2024 04:36:26 -0500 Received: from DFLE102.ent.ti.com (10.64.6.23) by DFLE112.ent.ti.com (10.64.6.33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Thu, 30 May 2024 04:36:26 -0500 Received: from lelvsmtp5.itg.ti.com (10.180.75.250) by DFLE102.ent.ti.com (10.64.6.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Thu, 30 May 2024 04:36:26 -0500 Received: from localhost (uda0496377.dhcp.ti.com [172.24.227.31]) by lelvsmtp5.itg.ti.com (8.15.2/8.15.2) with ESMTP id 44U9aPth000471; Thu, 30 May 2024 04:36:25 -0500 From: Aradhya Bhatia To: Tomi Valkeinen , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Jyri Sarha , Thomas Zimmermann , David Airlie , Daniel Vetter CC: DRI Development List , Linux Kernel List , Sam Ravnborg , Thierry Reding , Kieran Bingham , Nishanth Menon , Vignesh Raghavendra , Praneeth Bajjuri , Udit Kumar , Devarsh Thakkar , Jayesh Choudhary , Jai Luthra , Aradhya Bhatia Subject: [PATCH v2 2/9] drm/bridge: cdns-dsi: Fix the phy_initialized variable Date: Thu, 30 May 2024 15:06:14 +0530 Message-ID: <20240530093621.1925863-3-a-bhatia1@ti.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240530093621.1925863-1-a-bhatia1@ti.com> References: <20240530093621.1925863-1-a-bhatia1@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Update the Phy initialized state to "not initialized" when the driver (and the hardware by extension) gets suspended. This will allow the Phy to get initialized again after resume. Fixes: e19233955d9e ("drm/bridge: Add Cadence DSI driver") Signed-off-by: Aradhya Bhatia --- drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c b/drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c index b016f2ba06bb..42565e253b2d 100644 --- a/drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c +++ b/drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c @@ -1153,6 +1153,7 @@ static int __maybe_unused cdns_dsi_suspend(struct device *dev) clk_disable_unprepare(dsi->dsi_p_clk); reset_control_assert(dsi->dsi_p_rst); dsi->link_initialized = false; + dsi->phy_initialized = false; return 0; }