提交 a194b8cb 编写于 作者: T Tvrtko Ursulin

drm/i915: Waterproof verification of gen9 forcewake table ranges

We have to make sure there are no holes in the table in Gen9.
Signed-off-by: NTvrtko Ursulin <tvrtko.ursulin@intel.com>
Suggested-by: NChris Wilson <chris@chris-wilson.co.uk>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: NChris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/1479388435-12062-1-git-send-email-tvrtko.ursulin@linux.intel.com
上级 08c4d7fc
......@@ -647,6 +647,8 @@ intel_fw_table_check(struct drm_i915_private *dev_priv)
num_ranges = dev_priv->uncore.fw_domains_table_entries;
for (i = 0, prev = -1; i < num_ranges; i++, ranges++) {
WARN_ON_ONCE(IS_GEN9(dev_priv) &&
(prev + 1) != (s32)ranges->start);
WARN_ON_ONCE(prev >= (s32)ranges->start);
prev = ranges->start;
WARN_ON_ONCE(prev >= (s32)ranges->end);
......
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