diff options
Diffstat (limited to 'drivers/gpu/drm/cirrus/cirrus_ttm.c')
| -rw-r--r-- | drivers/gpu/drm/cirrus/cirrus_ttm.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/cirrus/cirrus_ttm.c b/drivers/gpu/drm/cirrus/cirrus_ttm.c index de52b20800e1..d6da848f7c6f 100644 --- a/drivers/gpu/drm/cirrus/cirrus_ttm.c +++ b/drivers/gpu/drm/cirrus/cirrus_ttm.c @@ -268,6 +268,9 @@ int cirrus_mm_init(struct cirrus_device *cirrus) return ret; } + arch_io_reserve_memtype_wc(pci_resource_start(dev->pdev, 0), + pci_resource_len(dev->pdev, 0)); + cirrus->fb_mtrr = arch_phys_wc_add(pci_resource_start(dev->pdev, 0), pci_resource_len(dev->pdev, 0)); @@ -277,6 +280,8 @@ int cirrus_mm_init(struct cirrus_device *cirrus) void cirrus_mm_fini(struct cirrus_device *cirrus) { + struct drm_device *dev = cirrus->dev; + if (!cirrus->mm_inited) return; @@ -286,6 +291,8 @@ void cirrus_mm_fini(struct cirrus_device *cirrus) arch_phys_wc_del(cirrus->fb_mtrr); cirrus->fb_mtrr = 0; + arch_io_free_memtype_wc(pci_resource_start(dev->pdev, 0), + pci_resource_len(dev->pdev, 0)); } void cirrus_ttm_placement(struct cirrus_bo *bo, int domain) |