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charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjA5MDExNiBTYWx0ZWRfXwQVLGJipeXxl gyQ2uIkyyilBO7EOSF0tt0H0VXAPqCWmcjq2Dyu7kVMgjFSgnLNSRpPeFHnXt8LTtA23M+LnmRa Ey36ZFTPTWuONibqEPgdja1zTe2D9kzBO3DM5WQ9n02+j5GnpkMeZjzLCrfCFfLxyy/WpEYpe4K XzxgmVZIkWMEFjmeCUMr0tSDhkZE+vhwfiL92MOqn9g11HgutmOzEJxWVvjXYgMgHGa6dIDGCIB jzQGjuCGBGM2cEAUKUdEdfdqiUPl60jtF/XaP96kAw6rlefs2k1ETIvbbDv/Lxa6jj4vCBR0ljT HBwMfG2vJaHZqE6FUgMgNttZr7urxLRhSglxAYZzYUA3AVWs4Biv9xY4aiwJbNETxGp+S69X1Xs GyoJ1HHYBrIBkD0ng3X8pLQGd3JmKeRvAP8IHn5lAF8kPvc2U5jY4Jk7VV5O/f0xpKMZjDFCzh7 uhz7UuAYyHA/aEr8P6A== X-Authority-Analysis: v=2.4 cv=csWrVV4i c=1 sm=1 tr=0 ts=6a2805c8 cx=c_pps a=WeENfcodrlLV9YRTxbY/uA==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=FelO9ux0wxsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yOCtJkima9RkubShWh1s:22 a=fGO4tVQLAAAA:8 a=DGYD9H-L74iTx1fb_rQA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=kacYvNCVWA4VmyqE58fU:22 X-Proofpoint-GUID: b7We3vrt-tMWc8vq6xgJsnCZA1sCaIOd X-Proofpoint-ORIG-GUID: b7We3vrt-tMWc8vq6xgJsnCZA1sCaIOd X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-09_02,2026-06-09_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 clxscore=1015 spamscore=0 adultscore=0 lowpriorityscore=0 malwarescore=0 impostorscore=0 phishscore=0 suspectscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605210000 definitions=main-2606090116 On 6/7/26 10:49 AM, Icenowy Zheng wrote: > 在 2026-06-06六的 21:51 +0800，Pengyu Luo写道： >> On Sat, Jun 6, 2026 at 9:21 PM Icenowy Zheng >> wrote: >>> >>> 在 2026-06-06六的 17:46 +0800，Pengyu Luo写道： >>>> On 2026-06-06 17:28:35+08:00, Icenowy Zheng wrote: >>>>> 在 2026-06-06六的 17:22 +0800，Pengyu Luo写道： >>>>> >>>>>> On 2026-06-02 21:21:27+08:00, Icenowy Zheng wrote: >>>>>> >>>>>> The magnetic keyboard (USB HID) can't be connected somehow, >>>>>> others >>>>>> are >>>>>> fine, such as the spi touchscreen (not upstream yet), which >>>>>> utilizes >>>>>> DMA definitely. My config is here >>>>>> https://pastebin.com/SdjuyJYk >>>>> >>>>> Is this a defconfig? >>>>> >>>> >>>> Yes. >>>> >>>>> BTW it seems that CONFIG_ASYNC_TX_DMA needs to be selected too >>>>> for >>>>> exhibiting the problem (because there should be "public" GPI >>>>> DMA >>>>> consumers to trigger the stuck/reset). >>>>> >>>> >>>> Is this still necessary? I checked the fedora discussion and your >>>> GPI >>>> DMA fix. And GPI DMA is only for the QUP-supported peripherals as >>>> the >>>> binding mentioned, devicetree/bindings/dma/qcom,gpi.yaml >>> >>> The devicetree without this fix seems to be still incorrect, >>> because >>> with the device tree fix even if the GPI DMA driver misbehaves the >>> system won't be stuck (although it will iterate all GPI channels >>> and >>> then fail to function at all). >>> >> >> Back to the start. You said some GPI interfaces aren't available to >> HLOS, your mask is 0xb(0b1011), so I use 0x4(0b100) did a quick test, >> and spi6 consumed it, no stuck or reset. Could you give me a >> unavailable channel? > > I think channel 0b10000 of gpi_dma2 could be an example? > > It seems that 4 channels are tried on gpi_dma2 before hang on my > gaokun3, but as gaokun3 has no known serial access, it's possible that > 0b100000 or 0b1000 is problematic. > > (The reason gpi_dma2 is checked first is because it's the GPI DMA > controller with the smallest address) > > BTW I just took the values from Windows DSDT, which is quite > conservative. So, with DMA_PRIVATE set, is this series made redundant? Konrad