diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2017-02-12 21:53:43 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2017-02-14 09:38:42 +0000 |
| commit | d892e9398ecf6defc7972a62227b77dad6be20bd (patch) | |
| tree | f1fc8610c2cf5b098948969734b73d77c701002d /drivers | |
| parent | 04a68a35ce6d7b54749989f943993020f48fed62 (diff) | |
drm/i915: Pass timeout==0 on to i915_gem_object_wait_fence()
The i915_gem_object_wait_fence() uses an incoming timeout=0 to query
whether the current fence is busy or idle, without waiting. This can be
used by the wait-ioctl to implement a busy query.
Fixes: e95433c73a11 ("drm/i915: Rearrange i915_wait_request() accounting with callers")
Testcase: igt/gem_wait/basic-busy-write-all
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Matthew Auld <matthew.william.auld@gmail.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: <drm-intel-fixes@lists.freedesktop.org> # v4.10-rc1+
Cc: stable@vger.kernel.org
Link: http://patchwork.freedesktop.org/patch/msgid/20170212215344.16600-1-chris@chris-wilson.co.uk
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 82489ed10373..71297920fdf4 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -441,7 +441,7 @@ i915_gem_object_wait_reservation(struct reservation_object *resv, timeout = i915_gem_object_wait_fence(shared[i], flags, timeout, rps); - if (timeout <= 0) + if (timeout < 0) break; dma_fence_put(shared[i]); @@ -454,7 +454,7 @@ i915_gem_object_wait_reservation(struct reservation_object *resv, excl = reservation_object_get_excl_rcu(resv); } - if (excl && timeout > 0) + if (excl && timeout >= 0) timeout = i915_gem_object_wait_fence(excl, flags, timeout, rps); dma_fence_put(excl); |