diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/rs600.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/rs600.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c index cea482aa1fe4..dc00155636b6 100644 --- a/drivers/gpu/drm/radeon/rs600.c +++ b/drivers/gpu/drm/radeon/rs600.c @@ -529,8 +529,11 @@ int rs600_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr) return -EINVAL; } addr = addr & 0xFFFFFFFFFFFFF000ULL; - addr |= R600_PTE_VALID | R600_PTE_SYSTEM | R600_PTE_SNOOPED; - addr |= R600_PTE_READABLE | R600_PTE_WRITEABLE; + if (addr == rdev->dummy_page.addr) + addr |= R600_PTE_SYSTEM | R600_PTE_SNOOPED; + else + addr |= (R600_PTE_VALID | R600_PTE_SYSTEM | R600_PTE_SNOOPED | + R600_PTE_READABLE | R600_PTE_WRITEABLE); writeq(addr, ptr + (i * 8)); return 0; } |