drm/amdgpu: Update amdgpu_device_indirect_r/wreg_ext

Only calculate pcie_index_hi for register address greater than 32bits.
Signed-off-by: Candice Li <candice.li@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_device.c

@@ -572,7 +572,7 @@ u32 amdgpu_device_indirect_rreg_ext(struct amdgpu_device *adev,
 
 	pcie_index = adev->nbio.funcs->get_pcie_index_offset(adev);
 	pcie_data = adev->nbio.funcs->get_pcie_data_offset(adev);
-	if (adev->nbio.funcs->get_pcie_index_hi_offset)
+	if ((reg_addr >> 32) && (adev->nbio.funcs->get_pcie_index_hi_offset))
 		pcie_index_hi = adev->nbio.funcs->get_pcie_index_hi_offset(adev);
 	else
 		pcie_index_hi = 0;
@@ -728,7 +728,7 @@ void amdgpu_device_indirect_wreg_ext(struct amdgpu_device *adev,
 
 	pcie_index = adev->nbio.funcs->get_pcie_index_offset(adev);
 	pcie_data = adev->nbio.funcs->get_pcie_data_offset(adev);
-	if (adev->nbio.funcs->get_pcie_index_hi_offset)
+	if ((reg_addr >> 32) && (adev->nbio.funcs->get_pcie_index_hi_offset))
 		pcie_index_hi = adev->nbio.funcs->get_pcie_index_hi_offset(adev);
 	else
 		pcie_index_hi = 0;