From f42cdc8dcb4ae85c15580dd0bc2a07495d8f049e Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Fri, 30 Sep 2005 06:41:10 +0000 Subject: Add support to turn writeback off via radeon module option --- shared-core/radeon_cp.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'shared-core/radeon_cp.c') diff --git a/shared-core/radeon_cp.c b/shared-core/radeon_cp.c index f3c5ecfa..9b5c9a8f 100644 --- a/shared-core/radeon_cp.c +++ b/shared-core/radeon_cp.c @@ -1206,6 +1206,10 @@ 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); -- cgit v1.2.3