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[129.46.232.65]) by smtp.gmail.com with ESMTPSA id af79cd13be357-8ef12122800sm237379985a.18.2026.04.21.23.02.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 21 Apr 2026 23:02:09 -0700 (PDT) From: Yongxing Mou Subject: [PATCH v4 0/5] phy: qcom: edp: Add DP/eDP switch for phys Date: Wed, 22 Apr 2026 14:01:50 +0800 Message-Id: <20260422-edp_phy-v4-0-c38bef2d027b@oss.qualcomm.com> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAE5k6GkC/22Oz27CMAyHX6XKeUFOXIjLifdA05Q/zhpp0JKUa gj13RfKgQPzwdLP8vfZd1E4Jy5i39xF5jmVNJxraD8a4Xt7/maZQs1Cg96Bhq3kMH6N/U0q9hY 5gGk9iLo9Zo7pdzUdP5858+VahdNzKJwtLP1wOqVp3zjmHVsE35IhYkXYEkIXqVMcyEYXjQFtv Xi4+lSmId/WJ2e1yt7+mZUEqVERaeciRnUYStlcrvbncXJT26qa8YUj6BeOFfeWagXToYN/8GV Z/gD1kGrCMAEAAA== X-Change-ID: 20260205-edp_phy-1eca3ed074c0 To: Vinod Koul , Neil Armstrong , Stephen Boyd , Bjorn Andersson Cc: linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, linux-kernel@vger.kernel.org, Yongxing Mou , stable@vger.kernel.org, Konrad Dybcio , Dmitry Baryshkov X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1776837726; l=1988; i=yongxing.mou@oss.qualcomm.com; s=20250910; h=from:subject:message-id; bh=aFSvRHF5TyWCpuwZ48kSZW9StI15Mat3A1Go9duK9TU=; b=MSd8D1kAFZdRDD5N9Rl1pwyDYZX9J8ByeFUAmw89nBvWXN3I6O1ASr3+aPNgxY9IXcztW08yL tTsfP8thnR8DASNNZXSBNQwgXfp8fHMNpdfpEu1NKpkYo2BLcxNb30/ X-Developer-Key: i=yongxing.mou@oss.qualcomm.com; a=ed25519; pk=rAy5J1eP+V7OXqH5FJ7ngMCtUrnHhut30ZTldOj52UM= X-Authority-Analysis: v=2.4 cv=OdioyBTY c=1 sm=1 tr=0 ts=69e86464 cx=c_pps a=hnmNkyzTK/kJ09Xio7VxxA==:117 a=C3Dk8TwHQYyIj7nOf9RCJw==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yOCtJkima9RkubShWh1s:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=M-2OMZX0rM6BGFiE4MwA:9 a=QEXdDO2ut3YA:10 a=PEH46H7Ffwr30OY-TuGO:22 X-Proofpoint-ORIG-GUID: -WEueKDOGxNPV1nSyrv748b5iyq1jA1Z X-Proofpoint-GUID: -WEueKDOGxNPV1nSyrv748b5iyq1jA1Z X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDIyMDA1NiBTYWx0ZWRfX2SAHen0Jc3F3 Ultn7EdYOynxzT5vZ1nwTJuEPdYBvcHse3a8gdUkWZTFTfR8lnvwicigaYXxPqXXlAAJWNuVZzk EcOgfQKmmpVZSE3yP2dMndqxNkQKV6VpF82ezqMEv99VdeSOd/EfyoNN2hszIMiFM/0cXOfVkb8 QLHr567ytTib09JhL6MkEPUER8D0Wb2GpMFzLlvlOpR06y8weV/Ag1jStHLD7Z87M1c9x3Ph2S6 4tZuxOzA84w0VfiZxOdPc2qscC5oGyhev0FPdIPIxmMG40/43Iva/a8s7cnNkNqs3SwE/Pr67CC zkHN9lz7EQ8HPZlB19qIyOupcjBVtxvRgBmAp/UOlwSpKEpNglNUSX12aUlQW52nyru3+7bS2Ry VrwdxG/yBdpI/rleUTT5fsXG4UI1jgh2ZtXHBlloVI9aqgE3YecG42uDDcPzgWK/9R1M13795dT t2HeUGkiwSnKqZAe3VQ== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-21_03,2026-04-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 impostorscore=0 malwarescore=0 phishscore=0 adultscore=0 clxscore=1015 priorityscore=1501 bulkscore=0 lowpriorityscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604200000 definitions=main-2604220056 Currently the PHY selects the DP/eDP configuration tables in a fixed way, choosing the table when enable. This driver has known issues: 1. The selected table does not match the actual platform mode. 2. It cannot support both modes at the same time. As discussed here[1], this series: 1. Cleans up duplicated and incorrect tables based on the HPG. 2. Fixes the LDO programming error in eDP mode. 3. Adds DP/eDP mode switching support. Note: x1e80100/sa8775p/sc7280/SC8280XP have been tested, while glymur/sc8180x have not been tested. [1] https://lore.kernel.org/all/20260119-klm_dpphy-v2-1-52252190940b@oss.qualcomm.com/ Signed-off-by: Yongxing Mou --- Changes in v4: - Splite changes.[Dmitry] - Add sc8180x tables in a single chagne.[Dmitry][Konrad] - Link to v3: https://lore.kernel.org/r/20260302-edp_phy-v3-0-ca8888d793b0@oss.qualcomm.com Changes in v3: - Rebase to next-20260224.[Dmitry] - Only enable TX1 LDO when lane counts > 2.[Konrad] - Link to v2: https://lore.kernel.org/all/20260213-edp_phy-v2-0-43c40976435e@oss.qualcomm.com/ Changes in v2: - Combine the third patch with the first one.[Dmitry] - Fix code formatting issues.[Konrad][Dmitry] - Update the commit message description.[Dmitry][Konrad] - Fix kodiak swing/pre_emp table values.[Konrad] --- Yongxing Mou (5): phy: qcom: edp: Unify generic DP/eDP swing and pre-emphasis tables phy: qcom: edp: Add eDP/DP mode switch support phy: qcom: edp: Add SC7280/SC8180X swing/pre-emphasis tables phy: qcom: edp: Fix AUX_CFG8 programming for DP mode phy: qcom: edp: Add PHY-specific LDO config for eDP low vdiff drivers/phy/qualcomm/phy-qcom-edp.c | 221 ++++++++++++++++++++++++++++-------- 1 file changed, 173 insertions(+), 48 deletions(-) --- base-commit: bee6ea30c48788e18348309f891ed8afbf7702ac change-id: 20260205-edp_phy-1eca3ed074c0 Best regards, -- Yongxing Mou