drm/amdgpu: move dummy page functions to amdgpu_gart.c

It's the only place they are used.

Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 149ed8a..d4abb7f 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -377,9 +377,6 @@ struct amdgpu_dummy_page {
        struct page     *page;
        dma_addr_t      addr;
 };
-int amdgpu_dummy_page_init(struct amdgpu_device *adev);
-void amdgpu_dummy_page_fini(struct amdgpu_device *adev);
-
 
 /*
  * Clocks

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 8cc3dcf..0080776 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -724,51 +724,6 @@ bool amdgpu_device_need_post(struct amdgpu_device *adev)
        return true;
 }
 
-/**
- * amdgpu_dummy_page_init - init dummy page used by the driver
- *
- * @adev: amdgpu_device pointer
- *
- * Allocate the dummy page used by the driver (all asics).
- * This dummy page is used by the driver as a filler for gart entries
- * when pages are taken out of the GART
- * Returns 0 on sucess, -ENOMEM on failure.
- */
-int amdgpu_dummy_page_init(struct amdgpu_device *adev)
-{
-       if (adev->dummy_page.page)
-               return 0;
-       adev->dummy_page.page = alloc_page(GFP_DMA32 | GFP_KERNEL | __GFP_ZERO);
-       if (adev->dummy_page.page == NULL)
-               return -ENOMEM;
-       adev->dummy_page.addr = pci_map_page(adev->pdev, adev->dummy_page.page,
-                                       0, PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
-       if (pci_dma_mapping_error(adev->pdev, adev->dummy_page.addr)) {
-               dev_err(&adev->pdev->dev, "Failed to DMA MAP the dummy page\n");
-               __free_page(adev->dummy_page.page);
-               adev->dummy_page.page = NULL;
-               return -ENOMEM;
-       }
-       return 0;
-}
-
-/**
- * amdgpu_dummy_page_fini - free dummy page used by the driver
- *
- * @adev: amdgpu_device pointer
- *
- * Frees the dummy page used by the driver (all asics).
- */
-void amdgpu_dummy_page_fini(struct amdgpu_device *adev)
-{
-       if (adev->dummy_page.page == NULL)
-               return;
-       pci_unmap_page(adev->pdev, adev->dummy_page.addr,
-                       PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
-       __free_page(adev->dummy_page.page);
-       adev->dummy_page.page = NULL;
-}
-
 /* if we get transitioned to only one device, take VGA back */
 /**
  * amdgpu_device_vga_set_decode - enable/disable vga decode

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
index 1f51897..0a4f34a 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
@@ -57,6 +57,51 @@
  */
 
 /**
+ * amdgpu_dummy_page_init - init dummy page used by the driver
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * Allocate the dummy page used by the driver (all asics).
+ * This dummy page is used by the driver as a filler for gart entries
+ * when pages are taken out of the GART
+ * Returns 0 on sucess, -ENOMEM on failure.
+ */
+static int amdgpu_gart_dummy_page_init(struct amdgpu_device *adev)
+{
+       if (adev->dummy_page.page)
+               return 0;
+       adev->dummy_page.page = alloc_page(GFP_DMA32 | GFP_KERNEL | __GFP_ZERO);
+       if (adev->dummy_page.page == NULL)
+               return -ENOMEM;
+       adev->dummy_page.addr = pci_map_page(adev->pdev, adev->dummy_page.page,
+                                       0, PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
+       if (pci_dma_mapping_error(adev->pdev, adev->dummy_page.addr)) {
+               dev_err(&adev->pdev->dev, "Failed to DMA MAP the dummy page\n");
+               __free_page(adev->dummy_page.page);
+               adev->dummy_page.page = NULL;
+               return -ENOMEM;
+       }
+       return 0;
+}
+
+/**
+ * amdgpu_dummy_page_fini - free dummy page used by the driver
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * Frees the dummy page used by the driver (all asics).
+ */
+static void amdgpu_gart_dummy_page_fini(struct amdgpu_device *adev)
+{
+       if (adev->dummy_page.page == NULL)
+               return;
+       pci_unmap_page(adev->pdev, adev->dummy_page.addr,
+                       PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
+       __free_page(adev->dummy_page.page);
+       adev->dummy_page.page = NULL;
+}
+
+/**
  * amdgpu_gart_table_vram_alloc - allocate vram for gart page table
  *
  * @adev: amdgpu_device pointer
@@ -308,7 +353,7 @@ int amdgpu_gart_init(struct amdgpu_device *adev)
                DRM_ERROR("Page size is smaller than GPU page size!\n");
                return -EINVAL;
        }
-       r = amdgpu_dummy_page_init(adev);
+       r = amdgpu_gart_dummy_page_init(adev);
        if (r)
                return r;
        /* Compute table size */
@@ -340,5 +385,5 @@ void amdgpu_gart_fini(struct amdgpu_device *adev)
        vfree(adev->gart.pages);
        adev->gart.pages = NULL;
 #endif
-       amdgpu_dummy_page_fini(adev);
+       amdgpu_gart_dummy_page_fini(adev);
 }