[PATCH 1/2] drm/i915/guc: Don't enable GuC in hypervisor guest

[Sagar Arun Kamble]

In GVT, GuC is enabled by Host, hence we need to bypass enabling
GuC on Guest VM.

Signed-off-by: Sagar Arun Kamble <sagar.a.kamble at intel.com>
Cc: Chris Wilson <chris at chris-wilson.co.uk>
Cc: Michal Wajdeczko <michal.wajdeczko at intel.com>
Cc: Changbin Du <changbin.du at intel.com>
---
 drivers/gpu/drm/i915/intel_uc.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_uc.c b/drivers/gpu/drm/i915/intel_uc.c
index d82ca0f..d663673 100644
--- a/drivers/gpu/drm/i915/intel_uc.c
+++ b/drivers/gpu/drm/i915/intel_uc.c
@@ -54,6 +54,9 @@ static int __get_platform_enable_guc(struct drm_i915_private *dev_priv)
 	struct intel_uc_fw *huc_fw = &dev_priv->huc.fw;
 	int enable_guc = 0;
 
+	if (boot_cpu_has(X86_FEATURE_HYPERVISOR))
+		return 0;
+
 	/* Default is to enable GuC/HuC if we know their firmwares */
 	if (intel_uc_fw_is_selected(guc_fw))
 		enable_guc |= ENABLE_GUC_SUBMISSION;
-- 
1.9.1