From 17e15b0c719b5ec0b344d3ebe3787b48315a0218 Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Thu, 5 Nov 2009 15:36:53 +1000 Subject: drm/radeon/kms: AGP systems need PCI bus mastering enabled We might not hit this yet, but when if we do any sort of writeback we really need to enable PCI bus mastering on these systems from what I can see. This enables PCI BM on all radeons that require it. Signed-off-by: Dave Airlie --- drivers/gpu/drm/radeon/r420.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/gpu/drm/radeon/r420.c') diff --git a/drivers/gpu/drm/radeon/r420.c b/drivers/gpu/drm/radeon/r420.c index 1cefdbcc0850..e7e4f5a90ebe 100644 --- a/drivers/gpu/drm/radeon/r420.c +++ b/drivers/gpu/drm/radeon/r420.c @@ -335,6 +335,9 @@ int r420_init(struct radeon_device *rdev) if (r) { return r; } + if (rdev->family == CHIP_R420) + r100_enable_bm(rdev); + if (rdev->flags & RADEON_IS_PCIE) { r = rv370_pcie_gart_init(rdev); if (r) -- cgit v1.2.2