diff options
Diffstat (limited to 'shared-core')
| -rw-r--r-- | shared-core/radeon_cp.c | 22 | ||||
| -rw-r--r-- | shared-core/radeon_drv.h | 2 |
2 files changed, 19 insertions, 5 deletions
diff --git a/shared-core/radeon_cp.c b/shared-core/radeon_cp.c index 4f5c538c..b6207c7d 100644 --- a/shared-core/radeon_cp.c +++ b/shared-core/radeon_cp.c @@ -194,6 +194,23 @@ static void radeon_write_agp_base(drm_radeon_private_t *dev_priv, u64 agp_base) } } +void radeon_enable_bm(struct drm_radeon_private *dev_priv) +{ + u32 tmp; + /* Turn on bus mastering */ + if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS400) || + ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) || + ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740)) { + /* rs400, rs690/rs740 */ + tmp = RADEON_READ(RADEON_BUS_CNTL) & ~RS400_BUS_MASTER_DIS; + RADEON_WRITE(RADEON_BUS_CNTL, tmp); + } else if (!(((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV380) || + ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R423))) { + /* r1xx, r2xx, r300, r(v)350, r420/r481, rs480 */ + tmp = RADEON_READ(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS; + RADEON_WRITE(RADEON_BUS_CNTL, tmp); + } /* PCIE cards appears to not need this */ +} void radeon_pll_errata_after_index(struct drm_radeon_private *dev_priv) { @@ -686,7 +703,6 @@ static void radeon_cp_init_ring_buffer(struct drm_device * dev, drm_radeon_private_t * dev_priv) { u32 ring_start, cur_read_ptr; - u32 tmp; /* Initialize the memory controller. With new memory map, the fb location * is not changed, it should have been properly initialized already. Part @@ -796,9 +812,7 @@ static void radeon_cp_init_ring_buffer(struct drm_device * dev, else RADEON_WRITE(RADEON_SCRATCH_UMSK, 0x1f); - /* Turn on bus mastering */ - tmp = RADEON_READ(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS; - RADEON_WRITE(RADEON_BUS_CNTL, tmp); + radeon_enable_bm(dev_priv); dev_priv->scratch[0] = 0; RADEON_WRITE(RADEON_LAST_FRAME_REG, 0); diff --git a/shared-core/radeon_drv.h b/shared-core/radeon_drv.h index 2d592e45..0d5f762b 100644 --- a/shared-core/radeon_drv.h +++ b/shared-core/radeon_drv.h @@ -1691,7 +1691,7 @@ extern int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file * extern int radeon_cs_init(struct drm_device *dev); void radeon_gem_update_offsets(struct drm_device *dev, struct drm_master *master); void radeon_init_memory_map(struct drm_device *dev); - +void radeon_enable_bm(struct drm_radeon_private *dev_priv); #define MARK_SAFE 1 #define MARK_CHECK_OFFSET 2 |