drm/i915: Add debug module option for VTd validation
authorDaniel Vetter <daniel.vetter@ffwll.ch>
Tue, 1 Apr 2014 07:33:47 +0000 (09:33 +0200)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Thu, 3 Apr 2014 09:23:11 +0000 (11:23 +0200)
commit7a10dfa638be26669f0987b6a21a65e6b39356b2
treef5c7d51c629cd6c363f9fd46c01d17d4b94ec6eb
parent4b28a1f3ef55a3b0b68dbab1fe6dbaf18e186710
drm/i915: Add debug module option for VTd validation

VTd has a few too many "outright disable the damn thing" workarounds
accumulated and for validation we want a simple knob to make sure we
disable them all.

Since this is for bdw+ validation and atm we don't have any
workarounds for bdw this option currently does nothing. So currently
this is just a placeholder to make sure reality will match with the
documented process for our validation people.

v2: Fix up param description (Jani).

v3: Actually git add ...

Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/i915_drv.h
drivers/gpu/drm/i915/i915_params.c