|
@@ -1269,6 +1269,101 @@ static struct ttm_bo_driver amdgpu_bo_driver = {
|
|
|
.access_memory = &amdgpu_ttm_access_memory
|
|
|
};
|
|
|
|
|
|
+/*
|
|
|
+ * Firmware Reservation functions
|
|
|
+ */
|
|
|
+/**
|
|
|
+ * amdgpu_ttm_fw_reserve_vram_fini - free fw reserved vram
|
|
|
+ *
|
|
|
+ * @adev: amdgpu_device pointer
|
|
|
+ *
|
|
|
+ * free fw reserved vram if it has been reserved.
|
|
|
+ */
|
|
|
+static void amdgpu_ttm_fw_reserve_vram_fini(struct amdgpu_device *adev)
|
|
|
+{
|
|
|
+ amdgpu_bo_free_kernel(&adev->fw_vram_usage.reserved_bo,
|
|
|
+ NULL, &adev->fw_vram_usage.va);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * amdgpu_ttm_fw_reserve_vram_init - create bo vram reservation from fw
|
|
|
+ *
|
|
|
+ * @adev: amdgpu_device pointer
|
|
|
+ *
|
|
|
+ * create bo vram reservation from fw.
|
|
|
+ */
|
|
|
+static int amdgpu_ttm_fw_reserve_vram_init(struct amdgpu_device *adev)
|
|
|
+{
|
|
|
+ struct ttm_operation_ctx ctx = { false, false };
|
|
|
+ int r = 0;
|
|
|
+ int i;
|
|
|
+ u64 vram_size = adev->mc.visible_vram_size;
|
|
|
+ u64 offset = adev->fw_vram_usage.start_offset;
|
|
|
+ u64 size = adev->fw_vram_usage.size;
|
|
|
+ struct amdgpu_bo *bo;
|
|
|
+
|
|
|
+ adev->fw_vram_usage.va = NULL;
|
|
|
+ adev->fw_vram_usage.reserved_bo = NULL;
|
|
|
+
|
|
|
+ if (adev->fw_vram_usage.size > 0 &&
|
|
|
+ adev->fw_vram_usage.size <= vram_size) {
|
|
|
+
|
|
|
+ r = amdgpu_bo_create(adev, adev->fw_vram_usage.size,
|
|
|
+ PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_VRAM,
|
|
|
+ AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
|
|
|
+ AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS, NULL, NULL, 0,
|
|
|
+ &adev->fw_vram_usage.reserved_bo);
|
|
|
+ if (r)
|
|
|
+ goto error_create;
|
|
|
+
|
|
|
+ r = amdgpu_bo_reserve(adev->fw_vram_usage.reserved_bo, false);
|
|
|
+ if (r)
|
|
|
+ goto error_reserve;
|
|
|
+
|
|
|
+ /* remove the original mem node and create a new one at the
|
|
|
+ * request position
|
|
|
+ */
|
|
|
+ bo = adev->fw_vram_usage.reserved_bo;
|
|
|
+ offset = ALIGN(offset, PAGE_SIZE);
|
|
|
+ for (i = 0; i < bo->placement.num_placement; ++i) {
|
|
|
+ bo->placements[i].fpfn = offset >> PAGE_SHIFT;
|
|
|
+ bo->placements[i].lpfn = (offset + size) >> PAGE_SHIFT;
|
|
|
+ }
|
|
|
+
|
|
|
+ ttm_bo_mem_put(&bo->tbo, &bo->tbo.mem);
|
|
|
+ r = ttm_bo_mem_space(&bo->tbo, &bo->placement,
|
|
|
+ &bo->tbo.mem, &ctx);
|
|
|
+ if (r)
|
|
|
+ goto error_pin;
|
|
|
+
|
|
|
+ r = amdgpu_bo_pin_restricted(adev->fw_vram_usage.reserved_bo,
|
|
|
+ AMDGPU_GEM_DOMAIN_VRAM,
|
|
|
+ adev->fw_vram_usage.start_offset,
|
|
|
+ (adev->fw_vram_usage.start_offset +
|
|
|
+ adev->fw_vram_usage.size), NULL);
|
|
|
+ if (r)
|
|
|
+ goto error_pin;
|
|
|
+ r = amdgpu_bo_kmap(adev->fw_vram_usage.reserved_bo,
|
|
|
+ &adev->fw_vram_usage.va);
|
|
|
+ if (r)
|
|
|
+ goto error_kmap;
|
|
|
+
|
|
|
+ amdgpu_bo_unreserve(adev->fw_vram_usage.reserved_bo);
|
|
|
+ }
|
|
|
+ return r;
|
|
|
+
|
|
|
+error_kmap:
|
|
|
+ amdgpu_bo_unpin(adev->fw_vram_usage.reserved_bo);
|
|
|
+error_pin:
|
|
|
+ amdgpu_bo_unreserve(adev->fw_vram_usage.reserved_bo);
|
|
|
+error_reserve:
|
|
|
+ amdgpu_bo_unref(&adev->fw_vram_usage.reserved_bo);
|
|
|
+error_create:
|
|
|
+ adev->fw_vram_usage.va = NULL;
|
|
|
+ adev->fw_vram_usage.reserved_bo = NULL;
|
|
|
+ return r;
|
|
|
+}
|
|
|
+
|
|
|
int amdgpu_ttm_init(struct amdgpu_device *adev)
|
|
|
{
|
|
|
uint64_t gtt_size;
|
|
@@ -1311,7 +1406,7 @@ int amdgpu_ttm_init(struct amdgpu_device *adev)
|
|
|
*The reserved vram for firmware must be pinned to the specified
|
|
|
*place on the VRAM, so reserve it early.
|
|
|
*/
|
|
|
- r = amdgpu_fw_reserve_vram_init(adev);
|
|
|
+ r = amdgpu_ttm_fw_reserve_vram_init(adev);
|
|
|
if (r) {
|
|
|
return r;
|
|
|
}
|
|
@@ -1395,7 +1490,7 @@ void amdgpu_ttm_fini(struct amdgpu_device *adev)
|
|
|
|
|
|
amdgpu_ttm_debugfs_fini(adev);
|
|
|
amdgpu_bo_free_kernel(&adev->stolen_vga_memory, NULL, NULL);
|
|
|
- amdgpu_fw_reserve_vram_fini(adev);
|
|
|
+ amdgpu_ttm_fw_reserve_vram_fini(adev);
|
|
|
|
|
|
ttm_bo_clean_mm(&adev->mman.bdev, TTM_PL_VRAM);
|
|
|
ttm_bo_clean_mm(&adev->mman.bdev, TTM_PL_TT);
|