[Intel-gfx] [PATCH] drm/i915/gvt: disable GVT-g if host GuC submission is enabled

[Chuanxiao Dong]

Currently GVT-g cannot work properly when host GuC submission
is enabled, so disable GVT in this case.

Cc: Zhenyu Wang <zhenyuw at linux.intel.com>
Signed-off-by: Chuanxiao Dong <chuanxiao.dong at intel.com>
---
 drivers/gpu/drm/i915/intel_gvt.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_gvt.c b/drivers/gpu/drm/i915/intel_gvt.c
index e1ab643..0e1ff48 100644
--- a/drivers/gpu/drm/i915/intel_gvt.c
+++ b/drivers/gpu/drm/i915/intel_gvt.c
@@ -84,6 +84,11 @@ int intel_gvt_init(struct drm_i915_private *dev_priv)
 		goto bail;
 	}
 
+	if (i915.enable_guc_submission) {
+		DRM_INFO("GPU guest virtualisation [GVT-g] disabled due to enabled GuC submission [i915.enable_guc_submission module parameter]\n");
+		goto bail;
+	}
+
 	/*
 	 * We're not in host or fail to find a MPT module, disable GVT-g
 	 */
-- 
2.7.4