If acceleration is disabled, it does not make sense to init gpuvm since nothing will use it. Moreover, if radeon_vm_init() gets called it uses accel to try and clear the pde tables, etc. which results in a bug.
Bug: https://bugs.freedesktop.org/show_bug.cgi?id=88786 Signed-off-by: Alex Deucher <alexander.deucher at amd.com> Cc: stable at vger.kernel.org --- drivers/gpu/drm/radeon/radeon_kms.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c index 3cf9c1f..60751c1 100644 --- a/drivers/gpu/drm/radeon/radeon_kms.c +++ b/drivers/gpu/drm/radeon/radeon_kms.c @@ -605,14 +605,14 @@ int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv) return -ENOMEM; } - vm = &fpriv->vm; - r = radeon_vm_init(rdev, vm); - if (r) { - kfree(fpriv); - return r; - } - if (rdev->accel_working) { + vm = &fpriv->vm; + r = radeon_vm_init(rdev, vm); + if (r) { + kfree(fpriv); + return r; + } + r = radeon_bo_reserve(rdev->ring_tmp_bo.bo, false); if (r) { radeon_vm_fini(rdev, vm); -- 1.8.3.1
