From: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
We have to make sure there are no holes in the table in Gen9.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
Suggested-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_uncore.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
index a0944dde7c41..deb8e9e6f9ea 100644
--- a/drivers/gpu/drm/i915/intel_uncore.c
+++ b/drivers/gpu/drm/i915/intel_uncore.c
@@ -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);
--
2.7.4
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