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Mon, 07 Sep 2026 01:19:26 -0700 (PDT) X-Received: by 2002:a17:90a:d00e:b0:399:221d:63c0 with SMTP id 98e67ed59e1d1-39b262409e5mr34110638a91.25.1788769165936; Mon, 07 Sep 2026 01:19:25 -0700 (PDT) Received: from [10.217.217.129] ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-143240d86c3sm23134424c88.0.2026.09.07.01.19.20 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 07 Sep 2026 01:19:25 -0700 (PDT) Message-ID: Date: Mon, 7 Sep 2026 13:48:38 +0530 Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 2/3] interconnect: qcom: x1e80100: enable QoS configuration To: Marc Zyngier , Mostafa Saleh Cc: Georgi Djakov , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Rajendra Nayak , Abel Vesa , Bjorn Andersson , Konrad Dybcio , linux-arm-msm@vger.kernel.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Konrad Dybcio , Dmitry Baryshkov , Odelu Kukatla References: <20260527-x1e80100_qos-v2-0-305c6539e6d2@oss.qualcomm.com> <20260527-x1e80100_qos-v2-2-305c6539e6d2@oss.qualcomm.com> <86ld9d4h4n.wl-maz@kernel.org> Content-Language: en-US From: Raviteja Laggyshetty In-Reply-To: <86ld9d4h4n.wl-maz@kernel.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTA3MDA4OSBTYWx0ZWRfX22LtwbiMcNsy CARe0HelhQzpMDlhU9ekUx2isWXa7cr37uJJffIeGeCjhG4wkn4rYeb12dpJzXMHoRKSao6xe22 um38jnmOZCz5Y2N1wiQk3dIGruH+7ABHk4JRTnpj0U4O7JtFs1MX8M1r1FsV7g+Sf4Xfj9jdggX 4f/JMsukwlVNWyr+jLiwZ8DHnQMWE/lzB8VV9owldNV8vZ9VMJCp/ZAgTzGaLr4JMxxXNPu8mpS Y9g97UKb8M2y9vuWVYLBL/Aius0fu3iNm/eOnQ9/GyqIu8B3kaCN5Euk0Ye+n0bFr5ZAX0ZOLMU 81iFx1SFmg7xSctDbuv/1AZn/d7Msp+PPEKlKZdwC+4ar3wHliURiM9o97hs7g3+RXyUvYcKQfS 50Asqw+e6J1ANy+K0uf4GlLOL4gWRlP98mDbYTut2G+T+fvHnXoMUULDQkDHFjhon8/cJnG9DoK CvADXitx2ULlGGOqz8Q== X-Authority-Analysis: v=2.4 cv=P8AKQCAu c=1 sm=1 tr=0 ts=6a9e738f cx=c_pps a=UNFcQwm+pnOIJct1K4W+Mw==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_K5XuSEh1TEqbUxoQ0s3:22 a=VwQbUJbxAAAA:8 a=1XWaLZrsAAAA:8 a=EUspDBNiAAAA:8 a=Mjzv1QJRJk8zmdB66akA:9 a=QEXdDO2ut3YA:10 a=uKXjsCUrEbL0IQVhDsJ9:22 X-Proofpoint-GUID: L2gdN8tP7JDK4fGAfQGFLHjl1xFUgHH9 X-Proofpoint-ORIG-GUID: L2gdN8tP7JDK4fGAfQGFLHjl1xFUgHH9 X-Proofpoint-Spam-Info: AW1haW4tMjYwOTA3MDA4OSBTYWx0ZWRfXz4et1UIvwIU9 7OJvWVaF4TCUMBH292wirkctyOvw+U+7uPZGJe8ApzO53VeVEapOz426XmKMBIaz0LtxrTUTsG2 zBJB/s5QQbnSD5Zj2cjiGOodDITBdU0= 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=2026-09-07_02,2026-09-03_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 impostorscore=0 bulkscore=0 clxscore=1011 adultscore=0 spamscore=0 lowpriorityscore=0 suspectscore=0 priorityscore=1501 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2609070089 On 9/7/2026 1:39 PM, Marc Zyngier wrote: > On Wed, 02 Sep 2026 14:00:52 +0100, > Mostafa Saleh wrote: >> >> On Wed, May 27, 2026 at 05:37:10AM +0000, Raviteja Laggyshetty wrote: >>> Enable QoS configuration for master ports with predefined priority >>> and urgency forwarding. >>> >>> Reviewed-by: Konrad Dybcio >>> Reviewed-by: Dmitry Baryshkov >>> Signed-off-by: Raviteja Laggyshetty >> >> Testing with Linus's tree, this patch broke my Lenovo IdeaCenter Mini X >> booting, the board resets very early during boot. >> I see that the last patch (device tree) is missing from the tree, I >> included it, but that doesn't fix it, disabling the driver also >> doesn't help. I can boot again by reverting this patch. >> >> I have my own device tree as my device is Purwa based [1] >> >> [1] https://lore.kernel.org/all/20260429141815.827157-1-smostafa@google.com/ > > Same here. My Mini-X hard reboots after 2.45s in the kernel. Example > from the serial console: Is the Mini-X based on Purwa ? > > > [ 2.280289] VFIO - User Level meta-driver version: 0.3 > [ 2.286872] usbcore: registered new interface driver usb-storage > [ 2.307218] i2c_dev: i2c /dev entries driver > [ 2.316386] efifb: probing for efifb > [ 2.320065] efifb: framebuffer at 0xe4800000, using 8100k, total 8100k > [ 2.326768] efifb: mode is 1920x1080x32, linelength=7680, pages=1 > [ 2.333026] efifb: scrolling: redraw > [ 2.336704] efifb: Truecolor: size=8:8:8:8, shift=24:16:8:0 > [ 2.346518] Console: switching to colour frame buffer device 240x67 > [ 2.356787] fb0: EFI VGA frame buffer device > [ 2.361793] clocksource: arch_mmio_counter: mask: 0xffffffffffffff max_cycles: 0x46d987e47, max_idle_ns: 440795202767 ns > [ 2.372947] arch-timer-mmio 17800000.timer: mmio timer running at 19.20MHz (virt) > [ 2.380860] usbcore: registered new interface driver usbhid > [ 2.386577] usbhid: USB HID core driver > [ 2.391899] hw perfevents: enabled with armv8_pmuv3 PMU driver, 13 (0,80000fff) counters available > [ 2.403182] NET: Registered PF_INET6 protocol family > [ 2.408516] Segment Routing with IPv6 > [ 2.412289] In-situ OAM (IOAM) with IPv6 > [ 2.416326] NET: Registered PF_PACKET protocol family > [ 2.421533] 9pnet: Installing 9P2000 support > [ 2.425923] Key type dns_resolver registered > [ 2.430357] NET: Registered PF_VSOCK protocol family > [ 2.440369] registered taskstats version 1 > [ 2.444633] Loading compiled-in X.509 certificates > [ 2.451480] Demotion targets for Node 0: null > Format: Log Type - Time(microsec) - Message - Optional Info > Log Type: B - Since Boot(Power On Reset), D - Delta, S - Statistic > S - QC_IMAGE_VERSION_STRING=BOOT.MXF.2.4-00541-HAMOA-1 > S - IMAGE_VARIANT_STRING=SocHamoaWP > S - OEM_IMAGE_VERSION_STRING=ip-10-195-202-30 > S - Boot Interface: SPI > S - Secure Boot: On > S - Boot Config @ 0x221c8600 = 0x00000001 > S - JTAG ID @ 0x221c8744 = 0x002ad0e1 > S - OEM ID @ 0x221c8700 = 0x00000040 > S - Serial Number @ 0x221c8610 = 0x00000460d5171bbb > S - Feature Config Row 0 @ 0x221c21e0 = 0x0000000000000000 > S - Feature Config Row 1 @ 0x221c21e8 = 0x0000000000000000 > S - Core 0 Frequency, 1363 MHz > S - PBL Patch Ver: 0 > S - PBL freq: 600 MHZ > S - Cluster: 0, Core: 0 > > > I'm also seeing spurious resets on my "X1E001DE Snapdragon Devkit for > Windows" when doing large file transfers over the network (30GB+). > With this patch reverted on top of 7.3-rc1, both machines are as solid > as they were before it. > The current patch enable QoS for Hamoa SoC, which get programmed only during driver probe. This shouldn't impact or cause any spurious resets once the device is booted up and probe is successful. > It appears that the Surface Pro 12" is equally affected (IRC reports), > so something is amiss with this particular patch. > > M. >