drm/i915: dmesg output for VT-d testing
Our validation guys want to have a positive proof that the gfx driver is indeed using VT-d, since setting up a gfx stack, especially in early bring-up and by people not versed in linux gfx is a bit tricky. So provide just that. Cc: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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@ -1961,6 +1961,10 @@ int i915_gem_gtt_init(struct drm_device *dev)
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gtt->base.total >> 20);
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gtt->base.total >> 20);
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DRM_DEBUG_DRIVER("GMADR size = %ldM\n", gtt->mappable_end >> 20);
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DRM_DEBUG_DRIVER("GMADR size = %ldM\n", gtt->mappable_end >> 20);
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DRM_DEBUG_DRIVER("GTT stolen size = %zdM\n", gtt->stolen_size >> 20);
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DRM_DEBUG_DRIVER("GTT stolen size = %zdM\n", gtt->stolen_size >> 20);
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#ifdef CONFIG_INTEL_IOMMU
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if (intel_iommu_gfx_mapped)
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DRM_INFO("VT-d active for gfx access\n");
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#endif
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return 0;
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return 0;
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}
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}
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