Having a helper avoids code duplication.
Signed-off-by: Pierre-Eric Pelloux-Prayer <[email protected]>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
index 871388b86503..c43f352df953 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
@@ -220,6 +220,14 @@ static inline u64 amdgpu_compute_gart_address(struct
amdgpu_gmc *gmc,
return gmc->gart_start + entity->gart_window_offs[index];
}
+/**
+ * amdgpu_gtt_node_to_byte_offset() - Returns a byte offset of a gtt node
+ */
+static inline u64 amdgpu_gtt_node_to_byte_offset(const struct drm_mm_node
*gtt_node)
+{
+ return gtt_node->start * (u64)PAGE_SIZE;
+}
+
void amdgpu_ttm_tt_set_user_pages(struct ttm_tt *ttm, struct amdgpu_hmm_range
*range);
int amdgpu_ttm_tt_get_userptr(const struct ttm_buffer_object *tbo,
uint64_t *user_addr);
--
2.43.0
