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Mon, 13 Oct 2025 10:48:14 +0000 (GMT) Received: from pps.filterd (APBLRPPMTA01.qualcomm.com [127.0.0.1]) by APBLRPPMTA01.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTP id 59DAmAx0008956; Mon, 13 Oct 2025 10:48:10 GMT Received: from pps.reinject (localhost [127.0.0.1]) by APBLRPPMTA01.qualcomm.com (PPS) with ESMTP id 49qgakrrqw-1; Mon, 13 Oct 2025 10:48:10 +0000 Received: from APBLRPPMTA01.qualcomm.com (APBLRPPMTA01.qualcomm.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 59DAmAAX008936; Mon, 13 Oct 2025 10:48:10 GMT Received: from hu-maiyas-hyd.qualcomm.com (hu-riteshk-hyd.qualcomm.com [10.147.241.247]) by APBLRPPMTA01.qualcomm.com (PPS) with ESMTP id 59DAm9x6008925; Mon, 13 Oct 2025 10:48:10 +0000 Received: by hu-maiyas-hyd.qualcomm.com (Postfix, from userid 2314801) id F008C5000DB; Mon, 13 Oct 2025 16:18:08 +0530 (+0530) From: Ritesh Kumar To: robin.clark@oss.qualcomm.com, lumag@kernel.org, abhinav.kumar@linux.dev, jessica.zhang@oss.qualcomm.com, 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, andersson@kernel.org, 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 Cc: Ritesh Kumar , 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: [PATCH v2 0/3] Add edp reference clock for lemans Date: Mon, 13 Oct 2025 16:18:03 +0530 Message-Id: <20251013104806.6599-1-quic_riteshk@quicinc.com> X-Mailer: git-send-email 2.17.1 X-QCInternal: smtphost X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: 93VKVXv74n-nMWCEQLg0Haq9_kvhptVl X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMDExMDAxOCBTYWx0ZWRfX2VDEGTULV1PS Y4phWgbZ9o3G6xMH3/egc6asF0Zh04npeILixLxAv/K0BCKbVyk1hunl13+BwgABmsJY38UpbvV nUHmp8sOz5E2jRHkEzR1u8mxzMKKoiawuSNSf4nbn9fxdWzgC4tfRDfbRK6OyjziE2EIPkdgS0T BfXcO5ZQzvEYVOGFWqyb8eBbl9wOxI5DtChFR5F1WDJU17v+ZD3Sz/yRlsFdQDAZgih8dIYTS3h A4+EZgJdZvbzIdq6/tdD2MdjOvu8yzOY8eHYeGJLZrgrh9mjGHYWLterNV5Uq6XUXW82SYn3vXR P4i531YvGA8eWmFUc4CeVw1pMr/NXfwHD1Sug5jx2jzEZt350DnQk57bf8Rrohq9ItkIOVCCWCh iF6KAcv2x035kPEJL6vHuVyn8KSpIg== X-Proofpoint-GUID: 93VKVXv74n-nMWCEQLg0Haq9_kvhptVl X-Authority-Analysis: v=2.4 cv=PdTyRyhd c=1 sm=1 tr=0 ts=68ecd8ef cx=c_pps a=Ou0eQOY4+eZoSc0qltEV5Q==:117 a=Ou0eQOY4+eZoSc0qltEV5Q==:17 a=x6icFKpwvdMA:10 a=VwQbUJbxAAAA:8 a=KKAkSRfTAAAA:8 a=COk6AnOGAAAA:8 a=oV43on6u2L5iXKtW-R4A:9 a=cvBusfyB2V15izCimMoJ:22 a=TjNXssC_j7lpFel5tvFf:22 a=nl4s5V0KI7Kw-pW0DWrs:22 a=pHzHmUro8NiASowvMSCR:22 a=xoEH_sTeL_Rfw54TyV31:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1117,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-10-13_04,2025-10-06_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 phishscore=0 bulkscore=0 clxscore=1015 adultscore=0 lowpriorityscore=0 impostorscore=0 priorityscore=1501 spamscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2510020000 definitions=main-2510110018 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: On lemans chipset, edp reference clock is being voted by ufs mem phy (ufs_mem_phy: phy@1d87000). But after commit 77d2fa54a9457 ("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 This series adds support for voting the clock from lemans edp phy driver. --- This series is dependent on below series: https://lore.kernel.org/all/20250909-phy-qcom-edp-add-missing-refclk-v3-0-4ec55a0512ab@linaro.org/ Change in v2: - Rebase on top of above series. [Krzysztof] - Remove duplicate patches and make changes limited to lemans. - Link to v1: https://lore.kernel.org/all/20251009071127.26026-1-quic_riteshk@quicinc.com/ --- Ritesh Kumar (3): dt-bindings: phy: qcom-edp: Add missing clock for sa8775p dt-bindings: display/msm: qcom,sa8775p-mdss: update edp phy example arm64: dts: qcom: lemans: Add edp reference clock for edp phy .../bindings/display/msm/qcom,sa8775p-mdss.yaml | 6 ++++-- .../devicetree/bindings/phy/qcom,edp-phy.yaml | 1 + arch/arm64/boot/dts/qcom/lemans.dtsi | 12 ++++++++---- 3 files changed, 13 insertions(+), 6 deletions(-) -- 2.17.1