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drm/i915/gvt: Return -EIO if host enable_execlists not enabled when loading GVT-g 

GVT-g relies on the enable_execlists parameter in i915. If this option
is not enabled for GVT-g, should return -EIO to make i915 driver loading
failed.

v2:
- Use DMR_ERROR as it is a fatal message. (Chris)

Suggested-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Chuanxiao Dong <chuanxiao.dong@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
This commit is contained in:
Chuanxiao Dong 2017-05-27 17:44:18 +08:00 committed by Joonas Lahtinen
parent 67b7f33eee
commit 36ccc4f89f
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/i915/intel_gvt.c
View File

@ -96,8 +96,8 @@ int intel_gvt_init(struct drm_i915_private *dev_priv)
}
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;
DRM_ERROR("i915 GVT-g loading failed due to disabled execlists mode\n");
return -EIO;
}
/*