From patchwork Mon Jan 29 10:41:05 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Raphael Gallais-Pou X-Patchwork-Id: 13535380 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 0C8A3C47DDB for ; Mon, 29 Jan 2024 10:41:49 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 19AAF112826; Mon, 29 Jan 2024 10:41:47 +0000 (UTC) Received: from mx08-00178001.pphosted.com (mx08-00178001.pphosted.com [91.207.212.93]) by gabe.freedesktop.org (Postfix) with ESMTPS id 08DBD11281C for ; Mon, 29 Jan 2024 10:41:44 +0000 (UTC) Received: from pps.filterd (m0369457.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.17.1.24/8.17.1.24) with ESMTP id 40T61IUn024667; Mon, 29 Jan 2024 11:41:21 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foss.st.com; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding:content-type; s= selector1; bh=VZZBxcUbum7P76Wj0XWqOVN7boKS0FAnpWW8U/8QDpY=; b=OR HdZknIHnuTRsFpoFNXp/G9bOUiAU2TUAZ3mvJx8Rsl5GklBXg6qHgLf9alEW6dTd WenpXECMdU0N1NcvRUdQxCiP7nqsVM6UdmlDPD4NQIn1FWKdYsqJMLuezJkEq5T1 6DpghvSvDxJGgttWWgUtYWYu+rCqu68lUeIs5YGHp80PGzfGxdcunqCI8okFbuCI Jm3RyRvXZ0BrpFUVkhJ6i/1ahyCpcm968WC5Pmv9JhwcCJW2VCwg2SWLvAD8yUxt hQR7AHJhcSLMYR93p7uTlyitBLkRDfSfKlPRtzrG2ieC7NdEwAgaf/fDEqNmPpcq 9pW7BMouEd/K6L0ujeAg== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com (PPS) with ESMTPS id 3vwdnnm2y3-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 29 Jan 2024 11:41:21 +0100 (CET) Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 0471A100058; Mon, 29 Jan 2024 11:41:17 +0100 (CET) Received: from Webmail-eu.st.com (shfdag1node2.st.com [10.75.129.70]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id E70BD216832; Mon, 29 Jan 2024 11:41:17 +0100 (CET) Received: from localhost (10.252.28.37) by SHFDAG1NODE2.st.com (10.75.129.70) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Mon, 29 Jan 2024 11:41:17 +0100 From: Raphael Gallais-Pou To: Yannick Fertre , Raphael Gallais-Pou , Philippe Cornu , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , Maxime Coquelin , Alexandre Torgue Subject: [PATCH RESEND v3 2/3] drm/stm: dsi: add pm runtime ops Date: Mon, 29 Jan 2024 11:41:05 +0100 Message-ID: <20240129104106.43141-3-raphael.gallais-pou@foss.st.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240129104106.43141-1-raphael.gallais-pou@foss.st.com> References: <20240129104106.43141-1-raphael.gallais-pou@foss.st.com> MIME-Version: 1.0 X-Originating-IP: [10.252.28.37] X-ClientProxiedBy: SHFCAS1NODE2.st.com (10.75.129.73) To SHFDAG1NODE2.st.com (10.75.129.70) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-01-29_06,2024-01-29_01,2023-05-22_02 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: , Cc: linux-arm-kernel@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Yannick Fertre Update control of clocks and supply thanks to the PM runtime mechanism to avoid kernel crash during a system suspend. Signed-off-by: Yannick Fertre Signed-off-by: Raphael Gallais-Pou Acked-by: Yannick Fertre Tested-by: Yannick Fertre --- Changes in v2: - Changed SET_RUNTIME_PM_OPS to RUNTIME_PM_OPS and removed __maybe_unused --- drivers/gpu/drm/stm/dw_mipi_dsi-stm.c | 24 ++++++++++++++++++------ 1 file changed, 18 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c b/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c index b1aee43d51e9..82fff9e84345 100644 --- a/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c +++ b/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c @@ -11,6 +11,7 @@ #include #include #include +#include #include #include