On Mon, 26 Dec 2022 21:44:06 +1100 "Aditya Garg" <gargaditya08@xxxxxxxx> wrote: > The AMD Radeon Pro 5600M with 8GB of HBM2 memory GPU is found in > MacBook Pro 16 inch, 2019 (MacBookPro16,4). > > The GPU fails to work on Linux, thus a blank black screen gets > displayed on boot. > > If nomodeset is added as a kernel parameter, we are able to access > Linux easily. > > The link below contains the journalctl of the failed boot :- > https://gist.github.com/AdityaGarg8/dfe1a1c23bf2b92b640dad89f55b73c7 > > Thanks > Aditya I'm not sure if it was an unrelated issue, but on older versions including 5.17.1, psp_v11_0_bootloader_load_sysdrv would timeout and return -ETIME. I'm not sure when it started having Mode Validation Warnings instead, but these errors are what it previously had: [ 5.136077] [drm:psp_hw_start [amdgpu]] *ERROR* PSP load sys drv failed! [ 5.136233] [drm:psp_hw_init [amdgpu]] *ERROR* PSP firmware loading failed [ 5.136351] [drm:amdgpu_device_fw_loading [amdgpu]] *ERROR* hw_init of IP block <psp> failed -22 [ 5.136458] amdgpu 0000:03:00.0: amdgpu: amdgpu_device_ip_init failed [ 5.136477] amdgpu 0000:03:00.0: amdgpu: Fatal error during GPU init [ 5.136540] amdgpu 0000:03:00.0: amdgpu: amdgpu: finishing device. [ 5.137815] amdgpu: probe of 0000:03:00.0 failed with error -22 The patch used to test this and the kernel log I received from someone using that patch are on this page: https://gist.github.com/Redecorating/645a62eec4fb06e03f384396f483fa37
