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path: root/drivers/gpu/drm/ast/ast_ttm.c
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Diffstat (limited to 'drivers/gpu/drm/ast/ast_ttm.c')
-rw-r--r--drivers/gpu/drm/ast/ast_ttm.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/ast/ast_ttm.c b/drivers/gpu/drm/ast/ast_ttm.c
index 608df4c90520..0743e65cb240 100644
--- a/drivers/gpu/drm/ast/ast_ttm.c
+++ b/drivers/gpu/drm/ast/ast_ttm.c
@@ -267,6 +267,8 @@ int ast_mm_init(struct ast_private *ast)
return ret;
}
+ arch_io_reserve_memtype_wc(pci_resource_start(dev->pdev, 0),
+ pci_resource_len(dev->pdev, 0));
ast->fb_mtrr = arch_phys_wc_add(pci_resource_start(dev->pdev, 0),
pci_resource_len(dev->pdev, 0));
@@ -275,11 +277,15 @@ int ast_mm_init(struct ast_private *ast)
void ast_mm_fini(struct ast_private *ast)
{
+ struct drm_device *dev = ast->dev;
+
ttm_bo_device_release(&ast->ttm.bdev);
ast_ttm_global_release(ast);
arch_phys_wc_del(ast->fb_mtrr);
+ arch_io_free_memtype_wc(pci_resource_start(dev->pdev, 0),
+ pci_resource_len(dev->pdev, 0));
}
void ast_ttm_placement(struct ast_bo *bo, int domain)