Revert "Make sure busmastering gets disabled on module unload."

This reverts af7b89d7246efbed7d05c38fcaa6a13c4b89db90 commit. It causes an oops
on X server shutdown here, and for the reporter of bug #7629 as well.

diff --git a/shared-core/radeon_cp.c b/shared-core/radeon_cp.c
index 12ba7ba..4e7b282 100644 (file)
--- a/shared-core/radeon_cp.c
+++ b/shared-core/radeon_cp.c
@@ -1720,11 +1720,6 @@ static int radeon_do_cleanup_cp(drm_device_t * dev)
                        dev_priv->gart_info.addr = 0;
                }
        }
-
-       /* Disable busmastering */
-       RADEON_WRITE(RADEON_BUS_CNTL, RADEON_READ(RADEON_BUS_CNTL) |
-               RADEON_BUS_MASTER_DIS);
-
        /* only clear to the start of flags */
        memset(dev_priv, 0, offsetof(drm_radeon_private_t, flags));