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drm/i915/gvt: Add gvt options sanitize function

Bladeren bron 
The intel_gvt_sanitize_options will sanitize the GVT related
options before doing initialize the GVT.

Suggested-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Chuanxiao Dong <chuanxiao.dong@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: 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 17:44:17 +08:00
gecommit door Joonas Lahtinen
bovenliggende 00c26cf9ce
commit 67b7f33eee
3 gewijzigde bestanden met toevoegingen van 33 en 10 verwijderingen
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36
drivers/gpu/drm/i915/intel_gvt.c
Bestand weergeven

@@ -50,6 +50,32 @@ static bool is_supported_device(struct drm_i915_private *dev_priv)
return false;
}
/**
* intel_gvt_sanitize_options - sanitize GVT related options
* @dev_priv: drm i915 private data
*
* This function is called at the i915 options sanitize stage.
*/
void intel_gvt_sanitize_options(struct drm_i915_private *dev_priv)
{
if (!i915.enable_gvt)
return;
if (intel_vgpu_active(dev_priv)) {
DRM_INFO("GVT-g is disabled for guest\n");
goto bail;
}
if (!is_supported_device(dev_priv)) {
DRM_INFO("Unsupported device. GVT-g is disabled\n");
goto bail;
}
return;
bail:
i915.enable_gvt = 0;
}
/**
* intel_gvt_init - initialize GVT components
* @dev_priv: drm i915 private data
@@ -69,16 +95,6 @@ int intel_gvt_init(struct drm_i915_private *dev_priv)
return 0;
}
if (intel_vgpu_active(dev_priv)) {
DRM_DEBUG_DRIVER("GVT-g is disabled for guest\n");
goto bail;
}
if (!is_supported_device(dev_priv)) {
DRM_DEBUG_DRIVER("Unsupported device. GVT-g is disabled\n");
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;