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[103.229.18.19]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2b062b8d3c7sm37503895ad.5.2026.03.17.08.19.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Mar 2026 08:19:16 -0700 (PDT) Date: Tue, 17 Mar 2026 20:49:10 +0530 From: Vishnu Saini To: Krzysztof Kozlowski Cc: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, prahlad.valluru@oss.qualcomm.com Subject: Re: [PATCH 2/2] arm64: defconfig: Enable Lontium LT8713sx driver Message-ID: References: <20260317-lt8713sx_dt_for_next-v1-0-8195fa931ff1@oss.qualcomm.com> <20260317-lt8713sx_dt_for_next-v1-2-8195fa931ff1@oss.qualcomm.com> <56829589-1c56-4c96-a9de-505058467867@kernel.org> <260c3c17-0d90-4253-84b2-5d53ae4ca975@kernel.org> 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-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <260c3c17-0d90-4253-84b2-5d53ae4ca975@kernel.org> X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzE3MDEzNCBTYWx0ZWRfXyYsDTnJkLPCq uofHaT41RhAU2VSZVPjAdz3Q8RLpilVhUCtHuIagku1zOrsSuB5MYF3yOxbpryf7zCF0W6DGeqq yOeaLBnQ8YxaB4gGIi/pwMBX+72Q/HdQbS+0xe1iRlxeWpsfqCT4JtXbY97GHeFTYzdFwjHesFO LAoIXPd9AzWUL/u6kWKF3eMkqCe3iGmLBwLn3ria0ZmElvuGxAYGZmgSXVLDTFKc21ckK0c8MpT Sb9+8IPByy2sADgT5lNGWpdthzu9oXv6J+DFvTzlrHbWOdyyZLi5bx4NA45yvXK4dGE5DCTuVRm kRTnBuzpwW9omP6tvq6XTKs1fYMZ4VdvSCQhvPHzUrUfrnx3goudO6PDzhgfGVsWIrfmB39R+De rtJjaxCaJ/y1oIqqvX7OFFwhDmUDKjPRZScetjpPcy/MfK2OnVGx6gVZeJLDKlDLeOtQ/T3Id1A +gumaG9X8NCOSNtyNwQ== X-Authority-Analysis: v=2.4 cv=D7pK6/Rj c=1 sm=1 tr=0 ts=69b970f5 cx=c_pps a=cmESyDAEBpBGqyK7t0alAg==:117 a=Ou0eQOY4+eZoSc0qltEV5Q==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=DJpcGTmdVt4CTyJn9g5Z:22 a=EUspDBNiAAAA:8 a=NnatKhEaoW9bbCzLYh4A:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=1OuFwYUASf3TG4hYMiVC:22 X-Proofpoint-ORIG-GUID: 3uo-6LvO97OgotPtAI97Pmr0B4VFriGM X-Proofpoint-GUID: 3uo-6LvO97OgotPtAI97Pmr0B4VFriGM 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=2026-03-17_02,2026-03-17_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 adultscore=0 clxscore=1015 suspectscore=0 spamscore=0 malwarescore=0 lowpriorityscore=0 phishscore=0 bulkscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603170134 On Tue, Mar 17, 2026 at 03:40:54PM +0100, Krzysztof Kozlowski wrote: > On 17/03/2026 15:23, Vishnu Saini wrote: > > On Tue, Mar 17, 2026 at 02:49:56PM +0100, Krzysztof Kozlowski wrote: > >> On 17/03/2026 14:38, Vishnu Saini wrote: > >>> On Tue, Mar 17, 2026 at 12:44:05PM +0100, Krzysztof Kozlowski wrote: > >>>> On 17/03/2026 07:03, Vishnu Saini wrote: > >>>>> Lontium LT8713sx DP bridge hub can be found on a Qualcomm > >>>>> Monaco EVK board for converting 1 DP to 3 DP outputs. > >>>>> > >>>>> Signed-off-by: Vishnu Saini > >>>>> --- > >>>>> arch/arm64/configs/defconfig | 1 + > >>>>> 1 file changed, 1 insertion(+) > >>>>> > >>>>> diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig > >>>>> index 1d967a81b82a..c8f89c87672b 100644 > >>>>> --- a/arch/arm64/configs/defconfig > >>>>> +++ b/arch/arm64/configs/defconfig > >>>>> @@ -1002,6 +1002,7 @@ CONFIG_DRM_PANEL_VISIONOX_VTDR6130=m > >>>>> CONFIG_DRM_DISPLAY_CONNECTOR=m > >>>>> CONFIG_DRM_FSL_LDB=m > >>>>> CONFIG_DRM_ITE_IT6263=m > >>>>> +CONFIG_DRM_LONTIUM_LT8713SX=m > >>>> > >>>> Wrongly placed, at least at next I am checking now. Look at Kconfig or > >>>> just run savedefconfig. > >>> > >>> Cross checked this few rescent changes were added configs in same file. > >>> verified added config is present in generated .config file and lt8713sx driver is compiled with it. > >>> Let me know if need to add this config is another file or at different place. > >> > >> So did you run `make savedefconfig`? If you do not understand review > >> then at least follow what I asked for... > > Yes, 'make savedefconfig' executed as below, sorry i did not mention about this earlier. > > make savedefconfig > > And? What is the point of savedefconfig? This generate a minimal defconfig containing only non‑default options. A defconfig file is generated in my root dir, CONFIG_DRM_LONTIUM_LT8713SX is part of this generated defconfig. shall i update arch/arm64/configs/defconfig with generated defconfig and verify ? > Best regards, > Krzysztof