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| author |  Chris Wilson <chris@chris-wilson.co.uk>
| 2016-10-28 13:58:29 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk>
| 2016-10-28 20:53:43 +0100 |
| commit | f8a7fde4561067a8ebc956b27afeb530ac97cb9d (patch) | |
| tree | ac1978967ea8db445c219bfa9a95972a1b45a209 /drivers/gpu/drm/i915/i915_gem_context.c | |
| parent | drm/i915: Remove unused i915_gem_active_wait() in favour of _unlocked() (diff) | |
| download | linux-f8a7fde4561067a8ebc956b27afeb530ac97cb9d.tar.gz linux-f8a7fde4561067a8ebc956b27afeb530ac97cb9d.tar.bz2 linux-f8a7fde4561067a8ebc956b27afeb530ac97cb9d.zip | |
drm/i915: Defer active reference until required
We only need the active reference to keep the object alive after the
handle has been deleted (so as to prevent a synchronous gem_close). Why
then pay the price of a kref on every execbuf when we can insert that
final active ref just in time for the handle deletion?
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161028125858.23563-6-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_context.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_context.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c index 5dca32ac1c67..47e888cc721f 100644 --- a/drivers/gpu/drm/i915/i915_gem_context.c +++ b/drivers/gpu/drm/i915/i915_gem_context.c @@ -155,7 +155,7 @@ void i915_gem_context_free(struct kref *ctx_ref) if (ce->ring) intel_ring_free(ce->ring); - i915_vma_put(ce->state); + __i915_gem_object_release_unless_active(ce->state->obj); } put_pid(ctx->pid); |