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_object_types.h | |
| parent | 85dd14c2918d452fa875a4175bffb76e01c5af6e (diff) | |
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_object_types.h')
| -rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_object_types.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object_types.h b/drivers/gpu/drm/i915/gem/i915_gem_object_types.h index a558edf15ec8..d695f187b790 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_object_types.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_object_types.h @@ -156,6 +156,7 @@ struct drm_i915_gem_object { struct { struct mutex lock; /* protects the pages and their use */ atomic_t pages_pin_count; + atomic_t shrink_pin; struct sg_table *pages; void *mapping; |