W dniu 13.05.2020 o 11:21, Marcin Juszkiewicz pisze: > Some time ago I bought Rockpro64 board from Pine64. To check how EBBR > works, how PCIe works on SBCs, Mali Panfrost driver etc. > > Board arrived yesterday. I connected serial cable (CB2102 dongles suxx, > FT2232HL works fine at 1.5Mbps serial), Ethernet, HDMI and booted. > > Boot fails each time at same place (whole boot log attached): > > [ 29.043106] panfrost ff9a0000.gpu: clock rate = 500000000 > [ 29.053073] rockchip-vop ff8f0000.vop: Adding to iommu group 1 > [ 29.058099] panfrost ff9a0000.gpu: mali-t860 id 0x860 major 0x2 minor > 0x0 status 0x0 > [ 29.058948] panfrost ff9a0000.gpu: features: 00000000,100e77bf, > issues: 00000000,24040400 > [ 29.059820] panfrost ff9a0000.gpu: Features: L2:0x07120206 > Shader:0x00000000 Tiler:0x00000809 Mem:0x1 MMU:0x00002830 AS:0xff JS:0x7 > [ 29.061053] panfrost ff9a0000.gpu: shader_present=0xf l2_present=0x1 > [ 29.063559] rockchip-vop ff900000.vop: Adding to iommu group 2 > [ 29.147966] panfrost ff9a0000.gpu: devfreq_add_device: Unable to find > governor for the device > [ 29.151244] panfrost ff9a0000.gpu: [drm:panfrost_devfreq_init > [panfrost]] *ERROR* Couldn't initialize GPU devfreq > [ 29.173499] panfrost ff9a0000.gpu: Fatal error during devfreq init > > Same effect with F32 and it's 5.6.6 kernel and with rawhide and 5.7-rc4 one. > > Board boots to login when I blacklist "panfrost" driver with > "rd.driver.blacklist=panfrost" kernel argument. > > Any suggestions what to look at? It's been a while since I did kernel > debugging. Turns out that DEVFREQ_GOV_SIMPLE_ONDEMAND module needs to be loaded before Panfrost. _______________________________________________ arm mailing list -- arm@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to arm-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/arm@xxxxxxxxxxxxxxxxxxxxxxx