struct_mutext needs to be held before call these two APIs.
Cc: Chris Wilson <[email protected]>
Cc: Ben Widawsky <[email protected]>
Cc: Rodrigo Vivi <[email protected]>
Cc: Joonas Lahtinen <[email protected]>
Signed-off-by: Zhi Wang <[email protected]>
---
drivers/gpu/drm/i915/i915_gem_gtt.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c
b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 37cd086..b43d3c9 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -2869,6 +2869,7 @@ intel_ppat_get(struct drm_i915_private *i915, u8 value)
unsigned int scanned, best_score;
int i;
+ lockdep_assert_held(&i915->drm.struct_mutex);
GEM_BUG_ON(!ppat->max_entries);
scanned = best_score = 0;
@@ -2924,6 +2925,7 @@ void intel_ppat_put(const struct intel_ppat_entry *entry)
struct intel_ppat *ppat = entry->ppat;
unsigned int index = entry - ppat->entries;
+ lockdep_assert_held(&ppat->i915->drm.struct_mutex);
GEM_BUG_ON(!ppat->max_entries);
kref_put(&ppat->entries[index].ref, release_ppat);
--
2.7.4
_______________________________________________
Intel-gfx mailing list
[email protected]
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
