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Thu, 01 Oct 2026 06:14:55 -0700 (PDT) X-Received: by 2002:a17:903:298b:b0:2db:55d6:349d with SMTP id d9443c01a7336-2e2e49fe3efmr39712635ad.21.1790860494592; Thu, 01 Oct 2026 06:14:54 -0700 (PDT) Received: from [10.204.78.119] ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2e300b04ccesm10512655ad.48.2026.10.01.06.14.50 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 01 Oct 2026 06:14:54 -0700 (PDT) Message-ID: <4bd4199e-8552-4686-ad85-9c3e27b1f967@oss.qualcomm.com> Date: Thu, 1 Oct 2026 18:44:48 +0530 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5 04/11] phy: qualcomm: qmp-combo: Ignore Type-C orientation for Glymur DP mode To: Dmitry Baryshkov Cc: Vinod Koul , Neil Armstrong , Manivannan Sadhasivam , Wesley Cheng , Abel Vesa , Johan Hovold , Bjorn Andersson , Dmitry Baryshkov , linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, linux-kernel@vger.kernel.org, Ritesh Kumar , Mahadevan P References: <20261001-glymur-phy-v3-v5-0-3848c2615d5a@oss.qualcomm.com> <20261001-glymur-phy-v3-v5-4-3848c2615d5a@oss.qualcomm.com> Content-Language: en-GB From: Nabige Aala In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Info: AW1haW4tMjYxMDAxMDA1MiBTYWx0ZWRfX7bvYzfGeU7QK M7EtekJIJDVB/sp3eCbAcl/DF/yTzsAMWfxz0l+LDoQPF7GxHQWbT8L9cslkQ+NOMvtWNz8jDAT 3gbJ0/gm5hiplHaf2xfH/7fJKtBwAL8= X-Authority-Analysis: v=2.4 cv=OozaWC/t c=1 sm=1 tr=0 ts=6abe5cd0 cx=c_pps a=cmESyDAEBpBGqyK7t0alAg==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=IkcTkHD0fZMA:10 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=ZpdpYltYx_vBUK5n70dp:22 a=EUspDBNiAAAA:8 a=PCPe1U30QhSBGYhJ7sAA:9 a=QEXdDO2ut3YA:10 a=1OuFwYUASf3TG4hYMiVC:22 X-Proofpoint-ORIG-GUID: l901vSKWk9mH24MbTP1-yfiAZBcb00wG X-Proofpoint-GUID: l901vSKWk9mH24MbTP1-yfiAZBcb00wG X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDAxMDA1MiBTYWx0ZWRfX9TsQ71KPoYCs uFHw+vCJGkdn5D0fGJJpcsV6EcAn/mAFLcCbe1i1Dtmr9ekky7xxAtR9CA1XaOpihGqkeOlvzJQ 9WAe2ZDDUvwqHPf9uQK6aR1a8xVm+E5lhdKD0YF8wUB6XWyao6r9NoKm0m8q1d3wunjfNUn8sHm +WF1XqONCENnBK+iaqLrK8+wPpjFWqaimyjAy09N/yBD6Bw11I4v8xkGh0FgE0EMDNC/E16on2N 1WzUI0uqMw2Po7dplanZgPtOnrIzBb6UxbpTBAE3k0IQ05PCasy47wOQtX/XiaT8oqodk8z2PRP HkAE9NTxXh9ab5uaTcI07XzG+0k7wSsq7sCDWZ6KAzOyY6Yx0nDsMOeW9wK64lt3Hl/Dzg/+8C9 WnofIoZQsEE+dAEFyioEI9DY8Cn39ZorXLyVX9XUbz0MFpkes3xBGGmt5gNlZjeqhIWAzfsiG6q PZxXH5el27yWHliMD2Q== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-10-01_03,2026-09-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 malwarescore=0 lowpriorityscore=0 impostorscore=0 priorityscore=1501 suspectscore=0 bulkscore=0 adultscore=0 phishscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2610010052 On 10/1/2026 3:31 PM, Dmitry Baryshkov wrote: > On Thu, Oct 01, 2026 at 03:04:21PM +0530, Nabige Aala wrote: >> From: Ritesh Kumar >> >> Glymur platforms use a fixed DP lane mapping and do not support DP PHY >> mode reversal based on Type-C orientation. Add a configuration flag to > Does it handle orientation somewhere else? Where? Is it a property of > the SoC or is it a way how it is plumbed on a particular device? Hi Dmitry, This is the Soc-specific property. As defined in glymur HPG DP_PHY_MODE should always be 0x5c for all the case 1lane/2lane/4lane and for all the orientation (normal/flip). > >> ignore reverse orientation during DP mode setup and enable it for Glymur, >> ensuring that QSERDES_DP_PHY_MODE is always programmed with the >> fix mode value (0x5c). >> >> Fixes: 815891eee6687 ("phy: qcom-qmp-combo: Introduce orientation variable") >> Signed-off-by: Ritesh Kumar >> Signed-off-by: Mahadevan P >> Signed-off-by: Nabige Aala >> --- >> drivers/phy/qualcomm/phy-qcom-qmp-combo.c | 8 +++++++- >> 1 file changed, 7 insertions(+), 1 deletion(-) >>