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author | Christian König <christian.koenig@amd.com> | 2015-10-20 15:38:07 (GMT) |
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committer | Alex Deucher <alexander.deucher@amd.com> | 2015-10-30 05:51:11 (GMT) |
commit | ee327caf1a2cdba9313167c36db2d7ff02d534bc (patch) | |
tree | c09c7b851e4a819944375b0c420cc2e689550c4e /drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c | |
parent | 318cd340c5573a1f021f5b7711893133fe5e8480 (diff) | |
download | linux-ee327caf1a2cdba9313167c36db2d7ff02d534bc.tar.xz |
drm/amdgpu: switch to common fence_wait_any_timeout v2
No need to duplicate the functionality any more.
v2: fix handling if no fence is available.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com> (v1)
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c index 663caa9..c4bb282 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c @@ -822,104 +822,6 @@ static const char *amdgpu_fence_get_timeline_name(struct fence *f) return (const char *)fence->ring->name; } -static bool amdgpu_test_signaled_any(struct fence **fences, uint32_t count) -{ - int idx; - struct fence *fence; - - for (idx = 0; idx < count; ++idx) { - fence = fences[idx]; - if (fence) { - if (test_bit(FENCE_FLAG_SIGNALED_BIT, &fence->flags)) - return true; - } - } - return false; -} - -struct amdgpu_wait_cb { - struct fence_cb base; - struct task_struct *task; -}; - -static void amdgpu_fence_wait_cb(struct fence *fence, struct fence_cb *cb) -{ - struct amdgpu_wait_cb *wait = - container_of(cb, struct amdgpu_wait_cb, base); - wake_up_process(wait->task); -} - -/** - * Wait the fence array with timeout - * - * @array: the fence array with amdgpu fence pointer - * @count: the number of the fence array - * @intr: when sleep, set the current task interruptable or not - * @t: timeout to wait - * - * It will return when any fence is signaled or timeout. - */ -signed long amdgpu_fence_wait_any(struct fence **array, uint32_t count, - bool intr, signed long t) -{ - struct amdgpu_wait_cb *cb; - struct fence *fence; - unsigned idx; - - BUG_ON(!array); - - cb = kcalloc(count, sizeof(struct amdgpu_wait_cb), GFP_KERNEL); - if (cb == NULL) { - t = -ENOMEM; - goto err_free_cb; - } - - for (idx = 0; idx < count; ++idx) { - fence = array[idx]; - if (fence) { - cb[idx].task = current; - if (fence_add_callback(fence, - &cb[idx].base, amdgpu_fence_wait_cb)) { - /* The fence is already signaled */ - goto fence_rm_cb; - } - } - } - - while (t > 0) { - if (intr) - set_current_state(TASK_INTERRUPTIBLE); - else - set_current_state(TASK_UNINTERRUPTIBLE); - - /* - * amdgpu_test_signaled_any must be called after - * set_current_state to prevent a race with wake_up_process - */ - if (amdgpu_test_signaled_any(array, count)) - break; - - t = schedule_timeout(t); - - if (t > 0 && intr && signal_pending(current)) - t = -ERESTARTSYS; - } - - __set_current_state(TASK_RUNNING); - -fence_rm_cb: - for (idx = 0; idx < count; ++idx) { - fence = array[idx]; - if (fence && cb[idx].base.func) - fence_remove_callback(fence, &cb[idx].base); - } - -err_free_cb: - kfree(cb); - - return t; -} - const struct fence_ops amdgpu_fence_ops = { .get_driver_name = amdgpu_fence_get_driver_name, .get_timeline_name = amdgpu_fence_get_timeline_name, |