[git pull] drm radeon fix for 2.6.27-rc1

[Dave Airlie]

Hi Linus,

Please pull the 'drm-fixes' branch from
ssh://master.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6.git drm-fixes

It appears we have a PAT incomPATibility, with how the radeon driver was 
mapping some VRAM.

Dave.

 drivers/gpu/drm/drm_memory.c       |    5 +++++
 drivers/gpu/drm/radeon/radeon_cp.c |    2 +-
 include/drm/drmP.h                 |    1 +
 3 files changed, 7 insertions(+), 1 deletions(-)

commit 242e3df80b8d25ed681c278512df0993725f25dd
Author: Dave Airlie <airlied@xxxxxxxx>
Date:   Tue Jul 15 15:48:05 2008 +1000

    drm/radeon: fixup issue with radeon and PAT support.
    
    With new userspace libpciaccess we can get a conflicting mapping
    on the PCIE GART table in the video RAM. Always try and map it _wc.
    
    Signed-off-by: Dave Airlie <airlied@xxxxxxxxxx>
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