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path: root/drivers/gpu/drm/i915/gt/selftest_tlb.c
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Diffstat (limited to 'drivers/gpu/drm/i915/gt/selftest_tlb.c')
-rw-r--r--drivers/gpu/drm/i915/gt/selftest_tlb.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/gt/selftest_tlb.c b/drivers/gpu/drm/i915/gt/selftest_tlb.c
index e6cac1f15d6e..3bd6b540257b 100644
--- a/drivers/gpu/drm/i915/gt/selftest_tlb.c
+++ b/drivers/gpu/drm/i915/gt/selftest_tlb.c
@@ -36,6 +36,8 @@ pte_tlbinv(struct intel_context *ce,
u64 length,
struct rnd_state *prng)
{
+ const unsigned int pat_index =
+ i915_gem_get_pat_index(ce->vm->i915, I915_CACHE_NONE);
struct drm_i915_gem_object *batch;
struct drm_mm_node vb_node;
struct i915_request *rq;
@@ -155,7 +157,7 @@ pte_tlbinv(struct intel_context *ce,
/* Flip the PTE between A and B */
if (i915_gem_object_is_lmem(vb->obj))
pte_flags |= PTE_LM;
- ce->vm->insert_entries(ce->vm, &vb_res, 0, pte_flags);
+ ce->vm->insert_entries(ce->vm, &vb_res, pat_index, pte_flags);
/* Flush the PTE update to concurrent HW */
tlbinv(ce->vm, addr & -length, length);
@@ -188,11 +190,18 @@ out:
static struct drm_i915_gem_object *create_lmem(struct intel_gt *gt)
{
+ struct intel_memory_region *mr = gt->i915->mm.regions[INTEL_REGION_LMEM_0];
+ resource_size_t size = SZ_1G;
+
/*
* Allocation of largest possible page size allows to test all types
- * of pages.
+ * of pages. To succeed with both allocations, especially in case of Small
+ * BAR, try to allocate no more than quarter of mappable memory.
*/
- return i915_gem_object_create_lmem(gt->i915, SZ_1G, I915_BO_ALLOC_CONTIGUOUS);
+ if (mr && size > mr->io_size / 4)
+ size = mr->io_size / 4;
+
+ return i915_gem_object_create_lmem(gt->i915, size, I915_BO_ALLOC_CONTIGUOUS);
}
static struct drm_i915_gem_object *create_smem(struct intel_gt *gt)