diff options
| author | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2021-10-21 12:35:38 +0200 |
|---|---|---|
| committer | Christian König <christian.koenig@amd.com> | 2021-11-17 14:26:19 +0100 |
| commit | 7e2e69ed4678a4c660c4727e625a396b06c0c372 (patch) | |
| tree | c85f6f3df7b24feb3884a7e3a9db0cac8b911c25 /drivers/gpu/drm/i915/i915_request.h | |
| parent | 5e9ddbdcf730a2671b9a07c6de45b53f139995af (diff) | |
drm/i915: Fix i915_request fence wait semantics
The i915_request fence wait behaves differently for timeout = 0
compared to expected dma-fence behavior.
i915 behavior:
- Unsignaled: -ETIME
- Signaled: 0 (= timeout)
Expected:
- Unsignaled: 0
- Signaled: 1
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Acked-by: Daniel Vetter <daniel@ffwll.ch>
Acked-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211116102431.198905-6-christian.koenig@amd.com
Signed-off-by: Christian König <christian.koenig@amd.com>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_request.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_request.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_request.h b/drivers/gpu/drm/i915/i915_request.h index dc359242d1ae..3c6e8acd1457 100644 --- a/drivers/gpu/drm/i915/i915_request.h +++ b/drivers/gpu/drm/i915/i915_request.h @@ -414,6 +414,11 @@ void i915_request_unsubmit(struct i915_request *request); void i915_request_cancel(struct i915_request *rq, int error); +long i915_request_wait_timeout(struct i915_request *rq, + unsigned int flags, + long timeout) + __attribute__((nonnull(1))); + long i915_request_wait(struct i915_request *rq, unsigned int flags, long timeout) |