diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2019-12-05 11:37:24 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-12-05 13:50:39 +0000 |
| commit | a725d711e8d7bb1eb15cd19b5a2386a66f2e2ef5 (patch) | |
| tree | b7b44bb6fcd13a681e060de33698dd69fc3485c0 /drivers/gpu/drm/i915/i915_gem_evict.c | |
| parent | 05975cd9eb8422d11fdcb29b065e5e942ec6b62c (diff) | |
drm/i915: Ignore most failures during evict-vm
Removing all vma from the VM is best effort -- we only remove all those
ready to be removed, so forgive and VMA that becomes pinned. While
forgiving those that become pinned, also take a second look for any that
became unpinned as we waited.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191205113726.413351-1-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_evict.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_evict.c | 39 |
1 files changed, 23 insertions, 16 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_evict.c b/drivers/gpu/drm/i915/i915_gem_evict.c index 7e62c310290f..0697bedebeef 100644 --- a/drivers/gpu/drm/i915/i915_gem_evict.c +++ b/drivers/gpu/drm/i915/i915_gem_evict.c @@ -359,9 +359,7 @@ int i915_gem_evict_for_node(struct i915_address_space *vm, */ int i915_gem_evict_vm(struct i915_address_space *vm) { - struct list_head eviction_list; - struct i915_vma *vma, *next; - int ret; + int ret = 0; lockdep_assert_held(&vm->mutex); trace_i915_gem_evict_vm(vm); @@ -377,21 +375,30 @@ int i915_gem_evict_vm(struct i915_address_space *vm) return ret; } - INIT_LIST_HEAD(&eviction_list); - list_for_each_entry(vma, &vm->bound_list, vm_link) { - if (i915_vma_is_pinned(vma)) - continue; + do { + struct i915_vma *vma, *vn; + LIST_HEAD(eviction_list); - __i915_vma_pin(vma); - list_add(&vma->evict_link, &eviction_list); - } + list_for_each_entry(vma, &vm->bound_list, vm_link) { + if (i915_vma_is_pinned(vma)) + continue; + + __i915_vma_pin(vma); + list_add(&vma->evict_link, &eviction_list); + } + if (list_empty(&eviction_list)) + break; + + ret = 0; + list_for_each_entry_safe(vma, vn, &eviction_list, evict_link) { + __i915_vma_unpin(vma); + if (ret == 0) + ret = __i915_vma_unbind(vma); + if (ret != -EINTR) /* "Get me out of here!" */ + ret = 0; + } + } while (ret == 0); - ret = 0; - list_for_each_entry_safe(vma, next, &eviction_list, evict_link) { - __i915_vma_unpin(vma); - if (ret == 0) - ret = __i915_vma_unbind(vma); - } return ret; } |