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[103.229.16.4]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-361410b998fsm18948440a91.13.2026.04.22.23.08.15 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 22 Apr 2026 23:08:18 -0700 (PDT) Message-ID: Date: Thu, 23 Apr 2026 14:08:14 +0800 Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 0/5] phy: qcom: edp: Add DP/eDP switch for phys To: Dmitry Baryshkov Cc: Vinod Koul , Neil Armstrong , Stephen Boyd , Bjorn Andersson , linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org, Konrad Dybcio References: <20260422-edp_phy-v4-0-c38bef2d027b@oss.qualcomm.com> Content-Language: en-US From: Yongxing Mou In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDIzMDA1NSBTYWx0ZWRfX2gAbgRPpew6h htvCF/mJzD6Usklf3nCvY1MqZjoy1r8ykCaxffa3S3nD6XpkXPIAWlIo0kstUAcpekIyjlEaONy hZokwGNXLC4EaUtfzfvTULFiOT94zrmI6TU8I6kJiUcLBxiGjYWxJJipMgzjT82y5JiSlVKeMF4 Z5xz7botCZ01q0A8hZHAk94PZXDBpSlIMB5Ey6xvi4b3pXe6QenL2gshk5JW55lj1ASTQdpfZha 4mpBc4Jja18DDo4PTMIV0DeKoZj0zclBMiM3qsuNVX/u0krGfc3UJWwvpGDwePS+qhFeTACvWzs jixs4RCeOcT0UMMwIz2f5I1SjNs8l4NRmoF2Hl0Daqxbf6i3skKp214Gwq08NdCDrhqsKF6OQV0 g2iRZr5a/YWGFQIQ9puaWiXVbMizZhlNFiN1UjCTBn/TCQ7ox34EJCL68ubMXMkukvUrMjMeMk7 NxAz2dzntOqLGdjW1Og== X-Proofpoint-ORIG-GUID: hne1zQZ7IjD3u3ZPKJaC0HEYuIovmHmI X-Proofpoint-GUID: hne1zQZ7IjD3u3ZPKJaC0HEYuIovmHmI X-Authority-Analysis: v=2.4 cv=TJt1jVla c=1 sm=1 tr=0 ts=69e9b754 cx=c_pps a=RP+M6JBNLl+fLTcSJhASfg==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=JfrnYn6hAAAA:8 a=WyWhWuvX_BU0g5tmHqUA:9 a=QEXdDO2ut3YA:10 a=iS9zxrgQBfv6-_F4QbHw:22 a=1CNFftbPRP8L7MoqJWF3:22 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=2026-04-23_01,2026-04-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 spamscore=0 priorityscore=1501 phishscore=0 clxscore=1015 malwarescore=0 bulkscore=0 lowpriorityscore=0 impostorscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604200000 definitions=main-2604230055 On 4/23/2026 1:24 AM, Dmitry Baryshkov wrote: > On Wed, Apr 22, 2026 at 02:01:50PM +0800, Yongxing Mou wrote: >> 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 > > Tested with eDP or with mini-DP too? > x1e80100 eDP (hamoa-evk) sa8775p DP(full-size) sc7280 (rb3, mini-DP) sorry for sa8775p mini-DP... i don't have the hardware to test. >> 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 >> >> >> -- >> linux-phy mailing list >> linux-phy@lists.infradead.org >> https://lists.infradead.org/mailman/listinfo/linux-phy >