diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gt/uc/intel_guc.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/uc/intel_guc.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc.c b/drivers/gpu/drm/i915/gt/uc/intel_guc.c index d76508fa3af7..f9bddaa876d9 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.c @@ -743,6 +743,13 @@ struct i915_vma *intel_guc_allocate_vma(struct intel_guc *guc, u32 size) if (IS_ERR(obj)) return ERR_CAST(obj); + /* + * Wa_22016122933: For MTL the shared memory needs to be mapped + * as WC on CPU side and UC (PAT index 2) on GPU side + */ + if (IS_METEORLAKE(gt->i915)) + i915_gem_object_set_cache_coherency(obj, I915_CACHE_NONE); + vma = i915_vma_instance(obj, >->ggtt->vm, NULL); if (IS_ERR(vma)) goto err; |