From: Chris Wilson Date: Fri, 4 Oct 2019 13:40:05 +0000 (+0100) Subject: drm/i915/gem: Retire directly for mmap-offset shrinking X-Git-Tag: for-linus-20191205~71^2~33^2~16 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=789ed955215d6f925008cb2381aa9f64cd635dd2;p=linux-2.6-block.git drm/i915/gem: Retire directly for mmap-offset shrinking Now that we can retire without taking struct_mutex, we can do so to handle shrinking the mmap-offset space after an allocation failure. Signed-off-by: Chris Wilson Cc: Tvrtko Ursulin Cc: Matthew Auld Reviewed-by: Tvrtko Ursulin Link: https://patchwork.freedesktop.org/patch/msgid/20191004134015.13204-11-chris@chris-wilson.co.uk --- diff --git a/drivers/gpu/drm/i915/gem/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/i915_gem_mman.c index 418d0d2b5fa9..45bbd22c14f1 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_mman.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_mman.c @@ -431,19 +431,12 @@ static int create_mmap_offset(struct drm_i915_gem_object *obj) return 0; /* Attempt to reap some mmap space from dead objects */ - do { - err = i915_gem_wait_for_idle(i915, MAX_SCHEDULE_TIMEOUT); - if (err) - break; + err = i915_retire_requests_timeout(i915, MAX_SCHEDULE_TIMEOUT); + if (err) + return err; - i915_gem_drain_freed_objects(i915); - err = drm_gem_create_mmap_offset(&obj->base); - if (!err) - break; - - } while (flush_delayed_work(&i915->gem.retire_work)); - - return err; + i915_gem_drain_freed_objects(i915); + return drm_gem_create_mmap_offset(&obj->base); } int