diff options
Diffstat (limited to 'drivers/char/drm/radeon_cp.c')
| -rw-r--r-- | drivers/char/drm/radeon_cp.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/char/drm/radeon_cp.c b/drivers/char/drm/radeon_cp.c index 447bfbe0da8a..e64d680899f5 100644 --- a/drivers/char/drm/radeon_cp.c +++ b/drivers/char/drm/radeon_cp.c @@ -1205,6 +1205,10 @@ static void radeon_cp_init_ring_buffer(drm_device_t * dev, dev_priv->writeback_works = 0; DRM_DEBUG("writeback test failed\n"); } + if (radeon_no_wb == 1) { + dev_priv->writeback_works = 0; + DRM_DEBUG("writeback forced off\n"); + } dev_priv->sarea_priv->last_frame = dev_priv->scratch[0] = 0; RADEON_WRITE(RADEON_LAST_FRAME_REG, dev_priv->sarea_priv->last_frame); |