diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2019-09-10 22:22:04 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-09-11 08:14:23 +0100 |
| commit | 99013b10100c4b552eec845ee2ca5604c8332e92 (patch) | |
| tree | 3bcfdc04fa272d813db40b507efcd4c6496f5971 /drivers/gpu/drm/i915/gem/i915_gem_pages.c | |
| parent | 85dd14c2918d452fa875a4175bffb76e01c5af6e (diff) | |
| download | lwn-99013b10100c4b552eec845ee2ca5604c8332e92.tar.gz lwn-99013b10100c4b552eec845ee2ca5604c8332e92.zip | |
drm/i915: Make shrink/unshrink be atomic
Add an atomic counter and always take the spinlock around the pin/unpin
events, so that we can perform the list manipulation concurrently.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190910212204.17190-1-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/gem/i915_gem_pages.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_pages.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_pages.c b/drivers/gpu/drm/i915/gem/i915_gem_pages.c index 18f0ce0135c1..2e941f093a20 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_pages.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_pages.c @@ -71,6 +71,7 @@ void __i915_gem_object_set_pages(struct drm_i915_gem_object *obj, list = &i915->mm.shrink_list; list_add_tail(&obj->mm.link, list); + atomic_set(&obj->mm.shrink_pin, 0); spin_unlock_irqrestore(&i915->mm.obj_lock, flags); } } |