diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/r100.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/r100.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c index c9e93eabcf1..4e0a80467b4 100644 --- a/drivers/gpu/drm/radeon/r100.c +++ b/drivers/gpu/drm/radeon/r100.c @@ -94,6 +94,15 @@ int r100_pci_gart_init(struct radeon_device *rdev) return radeon_gart_table_ram_alloc(rdev); } +/* required on r1xx, r2xx, r300, r(v)350, r420/r481, rs400/rs480 */ +void r100_enable_bm(struct radeon_device *rdev) +{ + uint32_t tmp; + /* Enable bus mastering */ + tmp = RREG32(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS; + WREG32(RADEON_BUS_CNTL, tmp); +} + int r100_pci_gart_enable(struct radeon_device *rdev) { uint32_t tmp; @@ -105,9 +114,6 @@ int r100_pci_gart_enable(struct radeon_device *rdev) WREG32(RADEON_AIC_LO_ADDR, rdev->mc.gtt_location); tmp = rdev->mc.gtt_location + rdev->mc.gtt_size - 1; WREG32(RADEON_AIC_HI_ADDR, tmp); - /* Enable bus mastering */ - tmp = RREG32(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS; - WREG32(RADEON_BUS_CNTL, tmp); /* set PCI GART page-table base address */ WREG32(RADEON_AIC_PT_BASE, rdev->gart.table_addr); tmp = RREG32(RADEON_AIC_CNTL) | RADEON_PCIGART_TRANSLATE_EN; @@ -3108,6 +3114,7 @@ static int r100_startup(struct radeon_device *rdev) r100_gpu_init(rdev); /* Initialize GART (initialize after TTM so we can allocate * memory through TTM but finalize after TTM) */ + r100_enable_bm(rdev); if (rdev->flags & RADEON_IS_PCI) { r = r100_pci_gart_enable(rdev); if (r) |