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>
This commit is contained in:
Daniel Vetter 2014-03-31 16:23:04 +02:00
Родитель 7a10dfa638
Коммит 5db6c735ea
1 изменённых файлов: 4 добавлений и 0 удалений

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@ -1961,6 +1961,10 @@ int i915_gem_gtt_init(struct drm_device *dev)
gtt->base.total >> 20); gtt->base.total >> 20);
DRM_DEBUG_DRIVER("GMADR size = %ldM\n", gtt->mappable_end >> 20); DRM_DEBUG_DRIVER("GMADR size = %ldM\n", gtt->mappable_end >> 20);
DRM_DEBUG_DRIVER("GTT stolen size = %zdM\n", gtt->stolen_size >> 20); DRM_DEBUG_DRIVER("GTT stolen size = %zdM\n", gtt->stolen_size >> 20);
#ifdef CONFIG_INTEL_IOMMU
if (intel_iommu_gfx_mapped)
DRM_INFO("VT-d active for gfx access\n");
#endif
return 0; return 0;
} }