From d42dd579ac1498e23f29465225fa3eee4520f5e5 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Wed, 12 Jan 2011 20:05:11 -0500 Subject: 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 Signed-off-by: Dave Airlie --- drivers/gpu/drm/radeon/r600.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/gpu/drm/radeon/r600.c') diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index 6b50716267c0..9fe86253cfcd 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -3658,6 +3658,9 @@ static void r600_pcie_gen2_enable(struct radeon_device *rdev) u32 link_width_cntl, lanes, speed_cntl, training_cntl, tmp; u16 link_cntl2; + if (radeon_pcie_gen2 == 0) + return; + if (rdev->flags & RADEON_IS_IGP) return; -- cgit v1.2.3