drm/amdgpu: Move to common helper to query soc rev_id

Replace soc15, nv, soc21 get_rev_id callback with common
helper so we don't need to duplicate code when introduce
new asics.

Signed-off-by: Hawking Zhang <[email protected]>
Reviewed-by: Likun Gao <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

1 files changed, 12 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index d35d50287a44..6298e3c1de39 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -808,6 +808,18 @@ void amdgpu_device_indirect_wreg64(struct amdgpu_device *adev,
 }
 
 /**
+ * amdgpu_device_get_rev_id - query device rev_id
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * Return device rev_id
+ */
+u32 amdgpu_device_get_rev_id(struct amdgpu_device *adev)
+{
+	return adev->nbio.funcs->get_rev_id(adev);
+}
+
+/**
  * amdgpu_invalid_rreg - dummy reg read function
  *
  * @adev: amdgpu_device pointer