We want to keep the PIN_NONBLOCK search quick, avoiding evicting
recently active nodes. To that end, skip performing the more laborious
retirement prior to beginning the fast search.
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_gem_evict.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_gem_evict.c b/drivers/gpu/drm/i915/i915_gem_evict.c
index 0697bedebeef..5f8b6cc55195 100644
--- a/drivers/gpu/drm/i915/i915_gem_evict.c
+++ b/drivers/gpu/drm/i915/i915_gem_evict.c
@@ -124,7 +124,8 @@ i915_gem_evict_something(struct i915_address_space *vm,
min_size, alignment, color,
start, end, mode);
- intel_gt_retire_requests(vm->gt);
+ if (!(flags & PIN_NONBLOCK))
+ intel_gt_retire_requests(vm->gt);
search_again:
active = NULL;
@@ -270,7 +271,8 @@ int i915_gem_evict_for_node(struct i915_address_space *vm,
* a stray pin (preventing eviction) that can only be resolved by
* retiring.
*/
- intel_gt_retire_requests(vm->gt);
+ if (!(flags & PIN_NONBLOCK))
+ intel_gt_retire_requests(vm->gt);
if (i915_vm_has_cache_coloring(vm)) {
/* Expand search to cover neighbouring guard pages (or lack!) */
--
2.25.0
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