If you want to use the open source radeon driver instead of fglrx, support for AMD's "Trinity" APU's was only introduced in the 3.4 kernel. However then you might run into a bug which was fixed in the upstream 3.6-rc4 kernel thanks to this commit:
author Alex Deucher Wed, 29 Aug 2012 23:48:26 +0000 (19:48 -0400) committer Alex Deucher Wed, 29 Aug 2012 23:57:34 +0000 (19:57 -0400) commit 41fa54377057ab38bc3e08ebb46168a7daf2e63b tree 3e70aac9f70cff8479514e81a45403f9c961dd47 parent f54b350d89bf16d31593b935bafccf510ff4a708 drm/radeon: fix dig encoder selection on DCE61 Was using the DCE41 code which was wrong. Fixes blank displays on a number of Trinity systems. Signed-off-by: Alex Deucher Cc: stable As you can see, this was also cc'd to the stable kernel series, and was included in the upstream kernel 3.4.12 as commit fcb836f584992f104bcbae16829760e3db876491 ** Package changed: libdrm (Ubuntu) => linux (Ubuntu) ** Tags added: precise -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1050350 Title: a-10 4600m boots to black screen unless nomodeset option in grub with kernel newer than 3.2 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1050350/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
