diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_device.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_device.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index c33bc914d93d..7c31321df45b 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -765,8 +765,14 @@ int radeon_device_init(struct radeon_device *rdev, r = pci_set_dma_mask(rdev->pdev, DMA_BIT_MASK(dma_bits)); if (r) { rdev->need_dma32 = true; + dma_bits = 32; printk(KERN_WARNING "radeon: No suitable DMA available.\n"); } + r = pci_set_consistent_dma_mask(rdev->pdev, DMA_BIT_MASK(dma_bits)); + if (r) { + pci_set_consistent_dma_mask(rdev->pdev, DMA_BIT_MASK(32)); + printk(KERN_WARNING "radeon: No coherent DMA available.\n"); + } /* Registers mapping */ /* TODO: block userspace mapping of io register */ |