On Fri, May 26, 2017 at 11:04:19AM +0800, Chuanxiao Dong wrote:
> Currently GVT-g cannot work properly when host GuC submission is
> enabled, so make i915 driver loading failed in this case.
>
> Suggested-by: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
> Suggested-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
> Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Cc: Zhenyu Wang <zhenyuw@xxxxxxxxxxxxxxx>
> Signed-off-by: Chuanxiao Dong <chuanxiao.dong@xxxxxxxxx>
> ---
> 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 c90d476..63bff89 100644
> --- a/drivers/gpu/drm/i915/intel_gvt.c
> +++ b/drivers/gpu/drm/i915/intel_gvt.c
> @@ -100,6 +100,11 @@ int intel_gvt_init(struct drm_i915_private *dev_priv)
> return -EIO;
> }
>
> + if (i915.enable_guc_submission) {
> + DRM_INFO("Graphics virtualization is not yet supported with GuC submission");
> + return -EIO;
> + }
Again, this is an actual DRM_ERROR as it is fatal.
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
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