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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c30
1 files changed, 23 insertions, 7 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index e59c01a83dac..38d2a7fb5698 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -91,7 +91,6 @@ static int amdgpu_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
case TTM_PL_TT:
/* GTT memory */
man->func = &amdgpu_gtt_mgr_func;
- man->gpu_offset = adev->gmc.gart_start;
man->available_caching = TTM_PL_MASK_CACHING;
man->default_caching = TTM_PL_FLAG_CACHED;
man->flags = TTM_MEMTYPE_FLAG_MAPPABLE | TTM_MEMTYPE_FLAG_CMA;
@@ -99,7 +98,6 @@ static int amdgpu_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
case TTM_PL_VRAM:
/* "On-card" video ram */
man->func = &amdgpu_vram_mgr_func;
- man->gpu_offset = adev->gmc.vram_start;
man->flags = TTM_MEMTYPE_FLAG_FIXED |
TTM_MEMTYPE_FLAG_MAPPABLE;
man->available_caching = TTM_PL_FLAG_UNCACHED | TTM_PL_FLAG_WC;
@@ -110,7 +108,6 @@ static int amdgpu_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
case AMDGPU_PL_OA:
/* On-chip GDS memory*/
man->func = &ttm_bo_manager_func;
- man->gpu_offset = 0;
man->flags = TTM_MEMTYPE_FLAG_FIXED | TTM_MEMTYPE_FLAG_CMA;
man->available_caching = TTM_PL_FLAG_UNCACHED;
man->default_caching = TTM_PL_FLAG_UNCACHED;
@@ -258,7 +255,8 @@ static uint64_t amdgpu_mm_node_addr(struct ttm_buffer_object *bo,
if (mm_node->start != AMDGPU_BO_INVALID_OFFSET) {
addr = mm_node->start << PAGE_SHIFT;
- addr += bo->bdev->man[mem->mem_type].gpu_offset;
+ addr += amdgpu_ttm_domain_start(amdgpu_ttm_adev(bo->bdev),
+ mem->mem_type);
}
return addr;
}
@@ -843,6 +841,27 @@ static unsigned long amdgpu_ttm_io_mem_pfn(struct ttm_buffer_object *bo,
(offset >> PAGE_SHIFT);
}
+/**
+ * amdgpu_ttm_domain_start - Returns GPU start address
+ * @adev: amdgpu device object
+ * @type: type of the memory
+ *
+ * Returns:
+ * GPU start address of a memory domain
+ */
+
+uint64_t amdgpu_ttm_domain_start(struct amdgpu_device *adev, uint32_t type)
+{
+ switch (type) {
+ case TTM_PL_TT:
+ return adev->gmc.gart_start;
+ case TTM_PL_VRAM:
+ return adev->gmc.vram_start;
+ }
+
+ return 0;
+}
+
/*
* TTM backend functions.
*/
@@ -1239,9 +1258,6 @@ int amdgpu_ttm_alloc_gart(struct ttm_buffer_object *bo)
bo->mem = tmp;
}
- bo->offset = (bo->mem.start << PAGE_SHIFT) +
- bo->bdev->man[bo->mem.mem_type].gpu_offset;
-
return 0;
}