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drm/i915/gvt: add enable_execlists check before enable gvt 

The GVT-g needs execlists to be enabled otherwise gvt should be
disabled. Add a check for enable_execlists before enabling gvt.

v2: use DRM_INFO in response to the user action

Signed-off-by: Chuanxiao Dong <chuanxiao.dong@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
This commit is contained in:
Chuanxiao Dong 2017-03-09 23:07:12 +08:00 committed by Zhenyu Wang
parent 3dce2aca02
commit cf2135ca3d
1 changed files with 5 additions and 0 deletions
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5
drivers/gpu/drm/i915/intel_gvt.c
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@ -77,6 +77,11 @@ int intel_gvt_init(struct drm_i915_private *dev_priv)
goto bail; goto bail;
} }
if (!i915.enable_execlists) {
DRM_INFO("GPU guest virtualisation [GVT-g] disabled due to disabled execlist submission [i915.enable_execlists module parameter]\n");
goto bail;
}
/* /*
* We're not in host or fail to find a MPT module, disable GVT-g * We're not in host or fail to find a MPT module, disable GVT-g
*/ */