commit | 0dd68309b9c516eac76549b71f68f01f57bb0c71 | [log] [tgz] |
---|---|---|
author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | Thu Sep 04 17:44:18 2014 +1000 |
committer | Dave Airlie <airlied@redhat.com> | Mon Sep 15 11:37:43 2014 +1000 |
tree | 66b958e685c72bb58004f344fd04c7406073d792 | |
parent | 98faa78ce7f1f986e11e7805d31b409782a6d2d4 [diff] |
drm/ast: Try to use MMIO registers when PIO isn't supported If the PIO resources haven't been assigned, then we have no choice but try to use the MMIO version. This is the case for example on POWER8 which doesn't support PIO at all. Chips rev 0x20 or later have MMIO decoding enabled by default. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Dave Airlie <airlied@redhat.com>