From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 26B3C330B14; Sat, 23 May 2026 02:20:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779502838; cv=none; b=CpbVfIOCegpb340XaX7y/zKwht5z+jfgrhb/ibQ7iBYh7EaRrcA1Ra2f6IafRMcSafvmV1aoN15+KKx1Ll5Tyzls8mBQfGnIFwkiRUQZUs96rqHhdnzNZs5D+Ie0iee//uPZhj6G1Nogt3+TfxIyI9iSTJNU9M3xITEP1tFTqi0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779502838; c=relaxed/simple; bh=UmQYm34vYP2ENdkwyZNxGga4qD0x0KcDAm1qVllzKHw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=CMTsBh58gtc/DWM9Sl0hFowDo7AwDgu5+Oac7Cfi8SLzrxqhXoNEbxufANsiCZaIvgvUkg21Qtvdne8YV69Ny+UtNvimiCOtQu46iTTstB+qDIzjC17FUKk3OzdvCxJ1zzxp5/gFM1ZS/jUQK0FAiNZJWoy0DUTzwmORTbDm5kE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=S3kSZj3u; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="S3kSZj3u" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CAF8B1F00ACF; Sat, 23 May 2026 02:20:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1779502836; bh=fBqQY9ZHL/9cRLn8Occ+Ug3mEK4c+qwKMVy6BmevSGc=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=S3kSZj3u8L9wzn3G0IySJ/qib8kxdjnTrF5+H9P2Q/MLQmpUIAQLBfmZMi/wX6sr7 Pe+xbSNDmhnFtf5FODb38MDAfPysadCA/pIxypN2s4DPeTqhkxX8+yzrjLyraz6Ers 0OXBcqilsc0/RrfpbKbvb1FLBU5BKOPg7GmHj1zLgkHhrnzRXi5mmynSRXZhTltx74 KlwKmksUHzwDrSR4I+fKg9gYJTHYBrYpLUc1z+3+SSWtCaioSAZCsED5dMANX2lGtV lTFMgXzx6skzbFFILszhlSTAhgYtD2JVxO8mAH0yzkF3FHmGOg3nIfvWjM62gBG7J7 ZzuboHbBnY1jQ== From: Bjorn Andersson To: robin.clark@oss.qualcomm.com, lumag@kernel.org, abhinav.kumar@linux.dev, sean@poorly.run, marijn.suijten@somainline.org, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, quic_mahap@quicinc.com, konradybcio@kernel.org, mani@kernel.org, James.Bottomley@HansenPartnership.com, martin.petersen@oracle.com, vkoul@kernel.org, kishon@kernel.org, cros-qcom-dts-watchers@chromium.org, Ritesh Kumar Cc: linux-phy@lists.infradead.org, linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, quic_vproddut@quicinc.com Subject: Re: (subset) [PATCH v4 0/2] Add edp reference clock for lemans Date: Fri, 22 May 2026 21:20:02 -0500 Message-ID: <177950280338.1097700.6276233449765894719.b4-ty@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260128114853.2543416-1-quic_riteshk@quicinc.com> References: <20260128114853.2543416-1-quic_riteshk@quicinc.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit On Wed, 28 Jan 2026 17:18:48 +0530, Ritesh Kumar wrote: > On lemans chipset, edp reference clock is being voted by ufs mem phy > (ufs_mem_phy: phy@1d87000). But after commit 77d2fa54a945 > ("scsi: ufs: qcom : Refactor phy_power_on/off calls") edp reference > clock is getting turned off, leading to below phy poweron failure on > lemans edp phy. > > [ 19.830220] phy phy-aec2a00.phy.10: phy poweron failed --> -110 > [ 19.842112] mdss_0_disp_cc_mdss_dptx0_link_clk status stuck at 'off' > [ 19.842131] WARNING: CPU: 2 PID: 371 at drivers/clk/qcom/clk-branch.c:87 clk_branch_toggle+0x174/0x18c > [ 19.984356] Hardware name: Qualcomm QCS9100 Ride (DT) > [ 19.989548] pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) > [ 19.996697] pc : clk_branch_toggle+0x174/0x18c > [ 20.001267] lr : clk_branch_toggle+0x174/0x18c > [ 20.005833] sp : ffff8000863ebbc0 > [ 20.009251] x29: ffff8000863ebbd0 x28: 0000000000000000 x27: 0000000000000000 > [ 20.016579] x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000001 > [ 20.023915] x23: ffff0000c53de980 x22: 0000000000000001 x21: ffffb4b57fd8d710 > [ 20.031245] x20: ffffb4b5bb238b88 x19: 0000000000000000 x18: ffffffffffff7198 > [ 20.038584] x17: 0000000000000014 x16: ffffb4b5bb1e2330 x15: 0000000000000048 > [ 20.045926] x14: 0000000000000000 x13: ffffb4b5bd386a48 x12: 0000000000000dfb > [ 20.053263] x11: 00000000000004a9 x10: ffffb4b5bd3e5a20 x9 : ffffb4b5bd386a48 > [ 20.060600] x8 : 00000000ffffefff x7 : ffffb4b5bd3dea48 x6 : 00000000000004a9 > [ 20.067934] x5 : ffff000eb7d38408 x4 : 40000000fffff4a9 x3 : ffff4b58fb2b7000 > [ 20.075269] x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff000ec4fc3480 > [ 20.082601] Call trace: > [ 20.085127] clk_branch_toggle+0x174/0x18c (P) > [ 20.089705] clk_branch2_enable+0x1c/0x28 > [ 20.093829] clk_core_enable+0x6c/0xac > [ 20.097687] clk_enable+0x2c/0x4c > [ 20.101104] clk_bulk_enable+0x4c/0xd8 > [ 20.104964] msm_dp_ctrl_enable_mainlink_clocks+0x184/0x24c [msm] > [ 20.111294] msm_dp_ctrl_on_link+0xb0/0x400 [msm] > [ 20.116178] msm_dp_display_process_hpd_high+0x110/0x190 [msm] > [ 20.122209] msm_dp_hpd_plug_handle.isra.0+0xac/0x1c4 [msm] > [ 20.127983] hpd_event_thread+0x320/0x5cc [msm] > [ 20.132680] kthread+0x12c/0x204 > [ 20.136011] ret_from_fork+0x10/0x20 > [ 20.139699] ---[ end trace 0000000000000000 ]--- > [ 20.144489] Failed to enable clk 'ctrl_link': -16 > [ 20.149340] [drm:msm_dp_ctrl_enable_mainlink_clocks [msm]] *ERROR* Unable to start link clocks. ret=-16 > > [...] Applied, thanks! [2/2] arm64: dts: qcom: lemans: Add eDP ref clock for eDP PHYs commit: 4bd073e00fd79c0aead74ad64ade48c904221245 Best regards, -- Bjorn Andersson