diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_fence.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_fence.c | 51 |
1 files changed, 45 insertions, 6 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_fence.c b/drivers/gpu/drm/radeon/radeon_fence.c index 96afbf5ae2a..3beb26d7471 100644 --- a/drivers/gpu/drm/radeon/radeon_fence.c +++ b/drivers/gpu/drm/radeon/radeon_fence.c @@ -53,9 +53,9 @@ int radeon_fence_emit(struct radeon_device *rdev, struct radeon_fence *fence) * away */ WREG32(rdev->fence_drv.scratch_reg, fence->seq); - } else { + } else radeon_fence_ring_emit(rdev, fence); - } + fence->emited = true; fence->timeout = jiffies + ((2000 * HZ) / 1000); list_del(&fence->list); @@ -168,7 +168,38 @@ bool radeon_fence_signaled(struct radeon_fence *fence) return signaled; } -int radeon_fence_wait(struct radeon_fence *fence, bool interruptible) +int r600_fence_wait(struct radeon_fence *fence, bool intr, bool lazy) +{ + struct radeon_device *rdev; + int ret = 0; + + rdev = fence->rdev; + + __set_current_state(intr ? TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE); + + while (1) { + if (radeon_fence_signaled(fence)) + break; + + if (time_after_eq(jiffies, fence->timeout)) { + ret = -EBUSY; + break; + } + + if (lazy) + schedule_timeout(1); + + if (intr && signal_pending(current)) { + ret = -ERESTARTSYS; + break; + } + } + __set_current_state(TASK_RUNNING); + return ret; +} + + +int radeon_fence_wait(struct radeon_fence *fence, bool intr) { struct radeon_device *rdev; unsigned long cur_jiffies; @@ -176,7 +207,6 @@ int radeon_fence_wait(struct radeon_fence *fence, bool interruptible) bool expired = false; int r; - if (fence == NULL) { WARN(1, "Querying an invalid fence : %p !\n", fence); return 0; @@ -185,17 +215,26 @@ int radeon_fence_wait(struct radeon_fence *fence, bool interruptible) if (radeon_fence_signaled(fence)) { return 0; } + + if (rdev->family >= CHIP_R600) { + r = r600_fence_wait(fence, intr, 0); + if (r == -ERESTARTSYS) + return -EBUSY; + return r; + } + retry: cur_jiffies = jiffies; timeout = HZ / 100; if (time_after(fence->timeout, cur_jiffies)) { timeout = fence->timeout - cur_jiffies; } - if (interruptible) { + + if (intr) { r = wait_event_interruptible_timeout(rdev->fence_drv.queue, radeon_fence_signaled(fence), timeout); if (unlikely(r == -ERESTARTSYS)) { - return -ERESTART; + return -EBUSY; } } else { r = wait_event_timeout(rdev->fence_drv.queue, |