Re: Kernel almost hangs when CONFIG_DRM_RADEON=y

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On Sun, Aug 28, 2011 at 1:36 AM, Borislav Petkov <bp@xxxxxxxxx> wrote:
>> > With CONFIG_DRM_RADEON=y, the microcode is needed before it can be
>> > loaded from userspace, so it needs to be built into the kernel as well.
>>
>> How should I do that? I've tried to set all "m"s to "y" in .config and
>> still saw this issue. Should I set some special parameter?
>
> You need to add "radeon/CEDAR_pfp.bin" to CONFIG_EXTRA_FIRMWARE when you
> configure your kernel and enable CONFIG_FIRMWARE_IN_KERNEL.
>
> The radeon/CEDAR_pfp.bin file (+ leading directory, mind you) should
> most probably be located in /lib/firmware or to whatever you have set
> CONFIG_EXTRA_FIRMWARE_DIR so that Kbuild can find it (if not, you'll get
> a warning at the end of the kernel build). This way, it works for both
> radeon being =m and =y.

Everything else in /lib/firmware/radeon is needed after user space
become available?


Pavel
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