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drm/i915/gvt: Return -EIO if host GuC submission is enabled when loading GVT-g

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Currently GVT-g cannot work properly when host GuC submission is
enabled, so make the driver loading failed in this case.

v2:
- use DRM_ERROR as it is a fatal message. (Chris)

Suggested-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chuanxiao Dong <chuanxiao.dong@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Zhenyu Wang <zhenyuw@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1495878259-7733-2-git-send-email-chuanxiao.dong@intel.com
This commit is contained in:
Chuanxiao Dong 2017-05-27 17:44:19 +08:00 committed by Joonas Lahtinen
parent 36ccc4f89f
commit ecef814c99
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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@ -100,6 +100,11 @@ int intel_gvt_init(struct drm_i915_private *dev_priv)
return -EIO;
}
if (i915.enable_guc_submission) {
DRM_ERROR("i915 GVT-g loading failed due to Graphics virtualization is not yet supported with GuC submission\n");
return -EIO;
}
/*
* We're not in host or fail to find a MPT module, disable GVT-g
*/