From c2184e450e4c5613c1f1a004d183ad478358013e Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Fri, 8 Aug 2008 16:04:45 +1000 Subject: radeon: add initial support for legacy crtc/encoders. not all there yet --- shared-core/radeon_cp.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'shared-core/radeon_cp.c') diff --git a/shared-core/radeon_cp.c b/shared-core/radeon_cp.c index 4c03f739..b751740c 100644 --- a/shared-core/radeon_cp.c +++ b/shared-core/radeon_cp.c @@ -2282,6 +2282,7 @@ static void radeon_set_dynamic_clock(struct drm_device *dev, int mode) int radeon_modeset_cp_init(struct drm_device *dev) { drm_radeon_private_t *dev_priv = dev->dev_private; + uint32_t tmp; /* allocate a ring and ring rptr bits from GART space */ /* these are allocated in GEM files */ @@ -2311,6 +2312,11 @@ int radeon_modeset_cp_init(struct drm_device *dev) radeon_cp_init_ring_buffer(dev, dev_priv); + /* need to enable BUS mastering in Buscntl */ + tmp = RADEON_READ(RADEON_BUS_CNTL); + tmp &= ~RADEON_BUS_MASTER_DIS; + RADEON_WRITE(RADEON_BUS_CNTL, tmp); + radeon_do_engine_reset(dev); radeon_test_writeback(dev_priv); @@ -2381,8 +2387,8 @@ int radeon_modeset_preinit(struct drm_device *dev) if (dev_priv->is_atom_bios) { dev_priv->mode_info.atom_context = atom_parse(&card, dev_priv->bios); - radeon_get_clock_info(dev); } + radeon_get_clock_info(dev); return 0; } -- cgit v1.2.3