[PATCH] drm/amdgpu: fix undefined preprocessor identifier 'CONFIG_ARM64'

[Alex Deucher]

Check if the identifer is defined.

Cc: victor.zhao at amd.com
Reported-by: kernel test robot <lkp at intel.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
index 40803aab136f..645093610aa0 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
@@ -294,9 +294,9 @@ struct amdgpu_video_codec_info;
 
 static inline bool is_virtual_machine(void)
 {
-#ifdef CONFIG_X86
+#if defined(CONFIG_X86)
 	return boot_cpu_has(X86_FEATURE_HYPERVISOR);
-#elif CONFIG_ARM64
+#elif defined(CONFIG_ARM64)
 	return !is_kernel_in_hyp_mode();
 #else
 	return false;
-- 
2.34.1