diff options
Diffstat (limited to 'shared-core/radeon_cp.c')
| -rw-r--r-- | shared-core/radeon_cp.c | 8 |
1 files changed, 7 insertions, 1 deletions
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; } |