On ti, 2017-05-09 at 18:11 +0800, Chuanxiao Dong wrote:
> Currently GVT-g cannot work properly when host GuC submission
> is enabled, so disable GVT in this case.
>
> v2: update the user message (Joonas)
>
> Cc: Zhenyu Wang <zhen...@linux.intel.com>
> Signed-off-by: Chuanxiao Dong <chuanxiao.d...@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..d85742c 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 as Graphics
> virtualization is not yet supported with GuC submission
> [i915.enable_guc_submission module parameter]\n");
> + goto bail;
> + }
As discussed earlier, driver loading should fail with -EIO when
incompatible options are specified.
Also, the message is now even more cryptic, just:
DRM_INFO("Graphics virtualization is not yet supported with GuC
submission");
Should do.
Please Cc: the people who've previously commented on the patch to make
it easier to spot new versions.
Regards, Joonas
--
Joonas Lahtinen
Open Source Technology Center
Intel Corporation
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