diff options
| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-03-31 16:23:04 +0200 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-04-03 11:24:02 +0200 |
| commit | 5db6c735ead5e6d22caf95ad52f801d23c4d0199 (patch) | |
| tree | 8ba55288f929d01a79e2b55b50a134396e3dc956 /drivers/gpu/drm/i915/i915_gem_gtt.c | |
| parent | 7a10dfa638be26669f0987b6a21a65e6b39356b2 (diff) | |
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>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_gtt.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_gtt.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index b31cde1d5979..cb6401fe9637 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -1961,6 +1961,10 @@ int i915_gem_gtt_init(struct drm_device *dev) gtt->base.total >> 20); DRM_DEBUG_DRIVER("GMADR size = %ldM\n", gtt->mappable_end >> 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; } |