diff options
| author | Alex Deucher <alexdeucher@gmail.com> | 2011-01-12 20:05:11 -0500 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2011-01-17 12:21:34 +1000 |
| commit | d42dd579ac1498e23f29465225fa3eee4520f5e5 (patch) | |
| tree | 0781d5ae64b039a23bfdc2ec2c7356b679247d18 /drivers/gpu/drm/radeon/rv770.c | |
| parent | 394d83c17fac2b7bcf05cb99d1e945135767bb6b (diff) | |
drm/radeon/kms: add module option for pcie gen2
Switching to pcie gen2 causes problems on some
boards. Add a module option to turn it on/off.
There are gen2 compatability issues with some
motherboards it seems.
Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=33027
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/rv770.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/rv770.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c index 3a264aa3a79..bd9ee90421e 100644 --- a/drivers/gpu/drm/radeon/rv770.c +++ b/drivers/gpu/drm/radeon/rv770.c @@ -1372,6 +1372,9 @@ static void rv770_pcie_gen2_enable(struct radeon_device *rdev) u32 link_width_cntl, lanes, speed_cntl, tmp; u16 link_cntl2; + if (radeon_pcie_gen2 == 0) + return; + if (rdev->flags & RADEON_IS_IGP) return; |