From mboxrd@z Thu Jan 1 00:00:00 1970 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 549CFC3DA49 for ; Tue, 30 Jul 2024 13:33:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding:Cc :References:In-Reply-To:Subject:To:From:Date:Message-ID:Reply-To:MIME-Version :Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=HhpKnexcpYMmdFoK4NkFHlqvNzLkhnvOrMKQMuXfe0A=; b=hAIig/hS7/0cbmAoeQh+aazofc 4BAk8tX7samAuWD2qVodnAAs9ft/NtJF9WJtLh2t1kP7Ew/pwg46j1+ldTtPkejk1PClPcDlEN7Xm dXZre8Uu1K4R//pevsoww9W7Z+1zUYaQQdDfWk3BH0NKzr7xkZZP/eSYn0WNKsHtvGjCkJEUc/8zf r6NZt54bOWxCzgOQxi9p0A46S48WhfzGQt6BeO0Vo5L6W2rsZYlCg8W1qfmWtem0+CZeb41eLYRvj EHwR2VFVKSzOpkCCyeXguGb+rSG9/meNjsnh7knQr8vNCheCBdGmgywPZsUdoVLqEieaUwIw63h81 dQZeIBsg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sYmz0-0000000FHzO-1IJL; Tue, 30 Jul 2024 13:33:42 +0000 Received: from sin.source.kernel.org ([2604:1380:40e1:4800::1]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sYmxe-0000000FHb6-4Bgk for linux-arm-kernel@lists.infradead.org; Tue, 30 Jul 2024 13:32:20 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sin.source.kernel.org (Postfix) with ESMTP id 6058ACE1043; Tue, 30 Jul 2024 13:32:17 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 36E01C32782; Tue, 30 Jul 2024 13:32:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1722346336; bh=/SYPq5kzaJCWlXFJH/J2536byhSWwshx5r1swTz714g=; h=Date:From:To:Subject:In-Reply-To:References:Cc:From; b=tfZhJT6D/wUZ0ckLDQgQWKQkkP7BhnjJqAlRf4eGkUi+geNzdkfMyFOs/4d/hJXNY ORwgcKkMvCW3HDV1Av0afni2CHFZFM6gUySKQJBzP9BB6+wHTDzBihy08+LEvz8hRk AojUASUHCPbx9PH0q1lu4xUVjhSchsjLFd6bsp4Ip+jMwxGkUa0Ja5Bq0e+AWjsU/r 75z4hOaHj0Ss38RHwsRPbYHQIW5So0LuKDWUkDq0bhcRo5aLmaCyG+KZVY1iTe0VxE gIkrj3BNHae4nUkP5gEN9ilVGMFESRZDsZXOLEYhc7l4EYtoC/QMyFnRlkeLiVp+Ai HukSuAMey4nEw== Message-ID: <0dd8ca7c0c0800b21120bbf3cf177d1e@kernel.org> Date: Tue, 30 Jul 2024 13:32:14 +0000 From: "Maxime Ripard" To: "Stefan Wahren" Subject: Re: [PATCH V2 06/16] drm/vc4: hdmi: Handle error case of pm_runtime_resume_and_get In-Reply-To: <20240728114200.75559-7-wahrenst@gmx.net> References: <20240728114200.75559-7-wahrenst@gmx.net> Cc: bcm-kernel-feedback-list@broadcom.com, dri-devel@lists.freedesktop.org, kernel-list@raspberrypi.com, linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org, linux-serial@vger.kernel.org, linux-usb@vger.kernel.org, "Artur Petrosyan" , "Daniel Vetter" , "Dave Stevenson" , "David Airlie" , "Florian Fainelli" , "Greg Kroah-Hartman" , "Jassi Brar" , "Jiri Slaby" , "Lukas Wunner" , "Maarten Lankhorst" , "Maxime Ripard" , =?utf-8?b?TWHDrXJhIENhbmFs?= , "Minas Harutyunyan" , "Peter Robinson" , "Ray Jui" , "Scott Branden" , "Thomas Zimmermann" , "Ulf Hansson" Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240730_063219_246874_493FC970 X-CRM114-Status: UNSURE ( 7.10 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Sun, 28 Jul 2024 13:41:50 +0200, Stefan Wahren wrote: > The commit 0f5251339eda ("drm/vc4: hdmi: Make sure the controller is > powered in detect") introduced the necessary power management handling > to avoid register access while controller is powered down. > Unfortunately it just print a warning if pm_runtime_resume_and_get() > fails and proceed anyway. > > [ ... ] Acked-by: Maxime Ripard Thanks! Maxime