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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c47
1 files changed, 21 insertions, 26 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
index c5a9a4fb10d2..b36405170ff3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
@@ -60,7 +60,7 @@
*/
/**
- * amdgpu_dummy_page_init - init dummy page used by the driver
+ * amdgpu_gart_dummy_page_init - init dummy page used by the driver
*
* @adev: amdgpu_device pointer
*
@@ -86,13 +86,13 @@ static int amdgpu_gart_dummy_page_init(struct amdgpu_device *adev)
}
/**
- * amdgpu_dummy_page_fini - free dummy page used by the driver
+ * amdgpu_gart_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)
+void amdgpu_gart_dummy_page_fini(struct amdgpu_device *adev)
{
if (!adev->dummy_page_addr)
return;
@@ -250,7 +250,7 @@ int amdgpu_gart_unbind(struct amdgpu_device *adev, uint64_t offset,
}
}
mb();
- amdgpu_asic_flush_hdp(adev, NULL);
+ amdgpu_device_flush_hdp(adev, NULL);
for (i = 0; i < adev->num_vmhubs; i++)
amdgpu_gmc_flush_gpu_tlb(adev, 0, i, 0);
@@ -300,7 +300,6 @@ int amdgpu_gart_map(struct amdgpu_device *adev, uint64_t offset,
* @adev: amdgpu_device pointer
* @offset: offset into the GPU's gart aperture
* @pages: number of pages to bind
- * @pagelist: pages to bind
* @dma_addr: DMA addresses of pages
* @flags: page table entry flags
*
@@ -309,11 +308,9 @@ int amdgpu_gart_map(struct amdgpu_device *adev, uint64_t offset,
* Returns 0 for success, -EINVAL for failure.
*/
int amdgpu_gart_bind(struct amdgpu_device *adev, uint64_t offset,
- int pages, struct page **pagelist, dma_addr_t *dma_addr,
+ int pages, dma_addr_t *dma_addr,
uint64_t flags)
{
- int r, i;
-
if (!adev->gart.ready) {
WARN(1, "trying to bind memory to uninitialized GART !\n");
return -EINVAL;
@@ -322,16 +319,26 @@ int amdgpu_gart_bind(struct amdgpu_device *adev, uint64_t offset,
if (!adev->gart.ptr)
return 0;
- r = amdgpu_gart_map(adev, offset, pages, dma_addr, flags,
- adev->gart.ptr);
- if (r)
- return r;
+ return amdgpu_gart_map(adev, offset, pages, dma_addr, flags,
+ adev->gart.ptr);
+}
+
+/**
+ * amdgpu_gart_invalidate_tlb - invalidate gart TLB
+ *
+ * @adev: amdgpu device driver pointer
+ *
+ * Invalidate gart TLB which can be use as a way to flush gart changes
+ *
+ */
+void amdgpu_gart_invalidate_tlb(struct amdgpu_device *adev)
+{
+ int i;
mb();
- amdgpu_asic_flush_hdp(adev, NULL);
+ amdgpu_device_flush_hdp(adev, NULL);
for (i = 0; i < adev->num_vmhubs; i++)
amdgpu_gmc_flush_gpu_tlb(adev, 0, i, 0);
- return 0;
}
/**
@@ -365,15 +372,3 @@ int amdgpu_gart_init(struct amdgpu_device *adev)
return 0;
}
-
-/**
- * amdgpu_gart_fini - tear down the driver info for managing the gart
- *
- * @adev: amdgpu_device pointer
- *
- * Tear down the gart driver info and free the dummy page (all asics).
- */
-void amdgpu_gart_fini(struct amdgpu_device *adev)
-{
- amdgpu_gart_dummy_page_fini(adev);
-}