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author | Christian König <deathsimple@vodafone.de> | 2011-10-20 10:38:09 (GMT) |
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committer | Dave Airlie <airlied@redhat.com> | 2011-12-20 19:50:39 (GMT) |
commit | 47492a23a128e953bd5087b1cac909cd8124ca5e (patch) | |
tree | 9e9d11656b23e451b05d9c958f0d24c32132c645 /drivers/gpu/drm/radeon/radeon_fence.c | |
parent | 4c87bc268d764cf8846d20ea54b355d1e87507c9 (diff) | |
download | linux-fsl-qoriq-47492a23a128e953bd5087b1cac909cd8124ca5e.tar.xz |
drm/radeon: add radeon_fence_count_emited function
Split counting of emited fences out of power
management into a seperate function.
Signed-off-by: Christian König <deathsimple@vodafone.de>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_fence.c')
-rw-r--r-- | drivers/gpu/drm/radeon/radeon_fence.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_fence.c b/drivers/gpu/drm/radeon/radeon_fence.c index 69902e6..9e7f892 100644 --- a/drivers/gpu/drm/radeon/radeon_fence.c +++ b/drivers/gpu/drm/radeon/radeon_fence.c @@ -368,6 +368,27 @@ void radeon_fence_process(struct radeon_device *rdev, int ring) } } +int radeon_fence_count_emitted(struct radeon_device *rdev, int ring) +{ + unsigned long irq_flags; + int not_processed = 0; + + read_lock_irqsave(&rdev->fence_lock, irq_flags); + if (!rdev->fence_drv[ring].initialized) + return 0; + + if (!list_empty(&rdev->fence_drv[ring].emitted)) { + struct list_head *ptr; + list_for_each(ptr, &rdev->fence_drv[ring].emitted) { + /* count up to 3, that's enought info */ + if (++not_processed >= 3) + break; + } + } + read_unlock_irqrestore(&rdev->fence_lock, irq_flags); + return not_processed; +} + int radeon_fence_driver_init(struct radeon_device *rdev, int num_rings) { unsigned long irq_flags; |