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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>
This commit is contained in:
Christian König 2011-10-20 12:38:09 +02:00 committed by Dave Airlie
parent 4c87bc268d
commit 47492a23a1
3 changed files with 23 additions and 14 deletions
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1
drivers/gpu/drm/radeon/radeon.h
View File

@ -226,6 +226,7 @@ int radeon_fence_wait_next(struct radeon_device *rdev, int ring);
int radeon_fence_wait_last(struct radeon_device *rdev, int ring);
struct radeon_fence *radeon_fence_ref(struct radeon_fence *fence);
void radeon_fence_unref(struct radeon_fence **fence);
int radeon_fence_count_emitted(struct radeon_device *rdev, int ring);
/*
* Semaphores.

21
drivers/gpu/drm/radeon/radeon_fence.c
View File

@ -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;

15
drivers/gpu/drm/radeon/radeon_pm.c
View File

@ -802,27 +802,14 @@ static void radeon_dynpm_idle_work_handler(struct work_struct *work)
resched = ttm_bo_lock_delayed_workqueue(&rdev->mman.bdev);
mutex_lock(&rdev->pm.mutex);
if (rdev->pm.dynpm_state == DYNPM_STATE_ACTIVE) {
unsigned long irq_flags;
int not_processed = 0;
int i;
read_lock_irqsave(&rdev->fence_lock, irq_flags);
for (i = 0; i < RADEON_NUM_RINGS; ++i) {
if (!rdev->fence_drv[i].initialized)
continue;
if (!list_empty(&rdev->fence_drv[i].emitted)) {
struct list_head *ptr;
list_for_each(ptr, &rdev->fence_drv[i].emitted) {
/* count up to 3, that's enought info */
if (++not_processed >= 3)
break;
}
}
not_processed += radeon_fence_count_emitted(rdev, i);
if (not_processed >= 3)
break;
}
read_unlock_irqrestore(&rdev->fence_lock, irq_flags);
if (not_processed >= 3) { /* should upclock */
if (rdev->pm.dynpm_planned_action == DYNPM_ACTION_DOWNCLOCK) {