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From:   Alex Deucher <alexdeucher@gmail.com>
Date:   Thu, 29 Dec 2022 11:42:35 -0500
Message-ID: <CADnq5_OXLuhSJwN-bKg47YjurUze6wj0kZhzsqszfV93uzok_w@mail.gmail.com>
Subject: Re: [BUG] AMD Radeon Pro 5600M with 8GB of HBM2 memory shows blank
 screen on Linux
To:     Orlando Chamberlain <redecorating@protonmail.com>
Cc:     Aditya Garg <gargaditya08@live.com>,
        "sunpeng.li@amd.com" <sunpeng.li@amd.com>,
        "Xinhui.Pan@amd.com" <Xinhui.Pan@amd.com>,
        "Rodrigo.Siqueira@amd.com" <Rodrigo.Siqueira@amd.com>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "amd-gfx@lists.freedesktop.org" <amd-gfx@lists.freedesktop.org>,
        "alexander.deucher@amd.com" <alexander.deucher@amd.com>,
        "harry.wentland@amd.com" <harry.wentland@amd.com>,
        "christian.koenig@amd.com" <christian.koenig@amd.com>
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On Wed, Dec 28, 2022 at 5:47 PM Orlando Chamberlain
<redecorating@protonmail.com> wrote:
>
> On Mon, 26 Dec 2022 21:44:06 +1100
> "Aditya Garg" <gargaditya08@live.com> 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


It's not likely that the two are related.

>
> 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

What was this patch for?

Alex