[PATCH] drm/amdgpu: add determine passthrough under arm64

[Victor Zhao]

add determine for passthrough mode under arm64 by reading
CurrentEL register

Signed-off-by: Victor Zhao <Victor.Zhao at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
index c5edd84c1c12..40803aab136f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
@@ -296,6 +296,8 @@ static inline bool is_virtual_machine(void)
 {
 #ifdef CONFIG_X86
 	return boot_cpu_has(X86_FEATURE_HYPERVISOR);
+#elif CONFIG_ARM64
+	return !is_kernel_in_hyp_mode();
 #else
 	return false;
 #endif
-- 
2.25.1