drm/radeon: fix HD6790, HD6570 backend programming
authorJerome Glisse <jglisse@redhat.com>
Thu, 31 May 2012 23:00:24 +0000 (19:00 -0400)
committerDave Airlie <airlied@redhat.com>
Fri, 1 Jun 2012 14:40:05 +0000 (15:40 +0100)
commit95c4b23ec4e2fa5604df229ddf134e31d7b3b378
tree91d6cb8971c7a945425b5d5d670608bac170a06f
parent0b8c30bc4943137a4a36b9cb059b1cc684f5d702
drm/radeon: fix HD6790, HD6570 backend programming

Without this bit sets we get broken rendering and
lockups.

fglrx sets this bit.

Bugs that should be fixed by this patch :
https://bugs.freedesktop.org/show_bug.cgi?id=49792
https://bugzilla.kernel.org/show_bug.cgi?id=43207
https://bugs.freedesktop.org/show_bug.cgi?id=39282

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Cc: stable@vger.kernel.org
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
drivers/gpu/drm/radeon/evergreen.c