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path: root/drivers/gpu/drm/radeon/radeon_fence.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_fence.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_fence.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_fence.c b/drivers/gpu/drm/radeon/radeon_fence.c
index cb4cd97ae39f..8495d4e32e18 100644
--- a/drivers/gpu/drm/radeon/radeon_fence.c
+++ b/drivers/gpu/drm/radeon/radeon_fence.c
@@ -140,16 +140,15 @@ int radeon_fence_create(struct radeon_device *rdev, struct radeon_fence **fence)
bool radeon_fence_signaled(struct radeon_fence *fence)
{
- struct radeon_device *rdev = fence->rdev;
unsigned long irq_flags;
bool signaled = false;
- if (rdev->gpu_lockup) {
+ if (!fence)
return true;
- }
- if (fence == NULL) {
+
+ if (fence->rdev->gpu_lockup)
return true;
- }
+
write_lock_irqsave(&fence->rdev->fence_drv.lock, irq_flags);
signaled = fence->signaled;
/* if we are shuting down report all fence as signaled */
@@ -324,7 +323,7 @@ int radeon_fence_driver_init(struct radeon_device *rdev)
write_lock_irqsave(&rdev->fence_drv.lock, irq_flags);
r = radeon_scratch_get(rdev, &rdev->fence_drv.scratch_reg);
if (r) {
- DRM_ERROR("Fence failed to get a scratch register.");
+ dev_err(rdev->dev, "fence failed to get scratch register\n");
write_unlock_irqrestore(&rdev->fence_drv.lock, irq_flags);
return r;
}
@@ -335,9 +334,10 @@ int radeon_fence_driver_init(struct radeon_device *rdev)
INIT_LIST_HEAD(&rdev->fence_drv.signaled);
rdev->fence_drv.count_timeout = 0;
init_waitqueue_head(&rdev->fence_drv.queue);
+ rdev->fence_drv.initialized = true;
write_unlock_irqrestore(&rdev->fence_drv.lock, irq_flags);
if (radeon_debugfs_fence_init(rdev)) {
- DRM_ERROR("Failed to register debugfs file for fence !\n");
+ dev_err(rdev->dev, "fence debugfs file creation failed\n");
}
return 0;
}
@@ -346,11 +346,13 @@ void radeon_fence_driver_fini(struct radeon_device *rdev)
{
unsigned long irq_flags;
+ if (!rdev->fence_drv.initialized)
+ return;
wake_up_all(&rdev->fence_drv.queue);
write_lock_irqsave(&rdev->fence_drv.lock, irq_flags);
radeon_scratch_free(rdev, rdev->fence_drv.scratch_reg);
write_unlock_irqrestore(&rdev->fence_drv.lock, irq_flags);
- DRM_INFO("radeon: fence finalized\n");
+ rdev->fence_drv.initialized = false;
}