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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.c84
1 files changed, 6 insertions, 78 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
index d3e4203f6217..645950a653a0 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
@@ -114,80 +114,12 @@ void amdgpu_gart_dummy_page_fini(struct amdgpu_device *adev)
*/
int amdgpu_gart_table_vram_alloc(struct amdgpu_device *adev)
{
- int r;
-
- if (adev->gart.bo == NULL) {
- struct amdgpu_bo_param bp;
-
- memset(&bp, 0, sizeof(bp));
- bp.size = adev->gart.table_size;
- bp.byte_align = PAGE_SIZE;
- bp.domain = AMDGPU_GEM_DOMAIN_VRAM;
- bp.flags = AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
- AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS;
- bp.type = ttm_bo_type_kernel;
- bp.resv = NULL;
- bp.bo_ptr_size = sizeof(struct amdgpu_bo);
-
- r = amdgpu_bo_create(adev, &bp, &adev->gart.bo);
- if (r) {
- return r;
- }
- }
- return 0;
-}
-
-/**
- * amdgpu_gart_table_vram_pin - pin gart page table in vram
- *
- * @adev: amdgpu_device pointer
- *
- * Pin the GART page table in vram so it will not be moved
- * by the memory manager (pcie r4xx, r5xx+). These asics require the
- * gart table to be in video memory.
- * Returns 0 for success, error for failure.
- */
-int amdgpu_gart_table_vram_pin(struct amdgpu_device *adev)
-{
- int r;
-
- r = amdgpu_bo_reserve(adev->gart.bo, false);
- if (unlikely(r != 0))
- return r;
- r = amdgpu_bo_pin(adev->gart.bo, AMDGPU_GEM_DOMAIN_VRAM);
- if (r) {
- amdgpu_bo_unreserve(adev->gart.bo);
- return r;
- }
- r = amdgpu_bo_kmap(adev->gart.bo, &adev->gart.ptr);
- if (r)
- amdgpu_bo_unpin(adev->gart.bo);
- amdgpu_bo_unreserve(adev->gart.bo);
- return r;
-}
-
-/**
- * amdgpu_gart_table_vram_unpin - unpin gart page table in vram
- *
- * @adev: amdgpu_device pointer
- *
- * Unpin the GART page table in vram (pcie r4xx, r5xx+).
- * These asics require the gart table to be in video memory.
- */
-void amdgpu_gart_table_vram_unpin(struct amdgpu_device *adev)
-{
- int r;
+ if (adev->gart.bo != NULL)
+ return 0;
- if (adev->gart.bo == NULL) {
- return;
- }
- r = amdgpu_bo_reserve(adev->gart.bo, true);
- if (likely(r == 0)) {
- amdgpu_bo_kunmap(adev->gart.bo);
- amdgpu_bo_unpin(adev->gart.bo);
- amdgpu_bo_unreserve(adev->gart.bo);
- adev->gart.ptr = NULL;
- }
+ return amdgpu_bo_create_kernel(adev, adev->gart.table_size, PAGE_SIZE,
+ AMDGPU_GEM_DOMAIN_VRAM, &adev->gart.bo,
+ NULL, (void *)&adev->gart.ptr);
}
/**
@@ -201,11 +133,7 @@ void amdgpu_gart_table_vram_unpin(struct amdgpu_device *adev)
*/
void amdgpu_gart_table_vram_free(struct amdgpu_device *adev)
{
- if (adev->gart.bo == NULL) {
- return;
- }
- amdgpu_bo_unref(&adev->gart.bo);
- adev->gart.ptr = NULL;
+ amdgpu_bo_free_kernel(&adev->gart.bo, NULL, (void *)&adev->gart.ptr);
}
/*