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Subject: Re: [PATCH 1/2] MIPS: Loongson: Fix fatal error during GPU init
To:     Tiezhu Yang <yangtiezhu@loongson.cn>,
        Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
        Huacai Chen <chenhc@lemote.com>,
        Jiaxun Yang <jiaxun.yang@flygoat.com>
Cc:     linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org,
        Xuefeng Li <lixuefeng@loongson.cn>
References: <1589508901-18077-1-git-send-email-yangtiezhu@loongson.cn>
From:   Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Message-ID: <1264becb-44aa-9e29-4e67-d1b5fbc0b56c@cogentembedded.com>
Date:   Fri, 15 May 2020 11:51:24 +0300
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Hello!

On 15.05.2020 5:15, Tiezhu Yang wrote:

> When ATI Radeon graphics card has been compiled directly into the kernel
                                ^ driver

> instead of as a module, we should make sure the firmware for the model
> (check available ones in /lib/firmware/radeon) is built-in to the kernel
> as well, otherwise there exists the following fatal error during GPU init,
> change CONFIG_DRM_RADEON=y to CONFIG_DRM_RADEON=m to fix it.
> 
> [    1.900997] [drm] Loading RS780 Microcode
> [    1.905077] radeon 0000:01:05.0: Direct firmware load for radeon/RS780_pfp.bin failed with error -2
> [    1.914140] r600_cp: Failed to load firmware "radeon/RS780_pfp.bin"
> [    1.920405] [drm:r600_init] *ERROR* Failed to load firmware!
> [    1.926069] radeon 0000:01:05.0: Fatal error during GPU init
> [    1.931729] [drm] radeon: finishing device.
> 
> Fixes: 024e6a8b5bb1 ("MIPS: Loongson: Add a Loongson-3 default config file")
> Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
[...]

MBR, Sergei