drm/amdgpu: correctly sign extend 48bit addresses v3

Correct sign extend the GMC addresses to 48bit.

v2: sign extending turned out easier than thought.
v3: clean up the defines and move them into amdgpu_gmc.h as well

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index b5f20b42439e..0cbf651a88a6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -1368,7 +1368,7 @@ u64 amdgpu_bo_gpu_offset(struct amdgpu_bo *bo)
         WARN_ON_ONCE(bo->tbo.mem.mem_type == TTM_PL_VRAM &&
                      !(bo->flags & AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS));
 
-        return bo->tbo.offset;
+        return amdgpu_gmc_sign_extend(bo->tbo.offset);
 }
 
 /**