On Sun, Aug 28, 2011 at 05:47:59PM -0400, Pavel Ivanov wrote:
On Sun, Aug 28, 2011 at 1:36 AM, Borislav Petkov bp@alien8.de 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?
You mean the other *.bin files? If so, not for your case, AFAICT - your driver is requesting CEDAR_pfp.bin only, correct? But I mean, it won't hurt if you leave them all there, they're under 1M.
You should recheck and add any other .bin files to the CONFIG_EXTRA_FIRMWARE string so that radeon.ko is satisfied :).
HTH.