diff options
Diffstat (limited to 'drivers/gpu/host1x/cdma.c')
| -rw-r--r-- | drivers/gpu/host1x/cdma.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/gpu/host1x/cdma.c b/drivers/gpu/host1x/cdma.c index 103fda055394..d1336e438f4f 100644 --- a/drivers/gpu/host1x/cdma.c +++ b/drivers/gpu/host1x/cdma.c @@ -105,7 +105,7 @@ static int host1x_pushbuffer_init(struct push_buffer *pb) pb->dma = iova_dma_addr(&host1x->iova, alloc); err = iommu_map(host1x->domain, pb->dma, pb->phys, size, - IOMMU_READ); + IOMMU_READ, GFP_KERNEL); if (err) goto iommu_free_iova; } else { @@ -490,6 +490,15 @@ resume: host1x_hw_cdma_resume(host1x, cdma, restart_addr); } +static void cdma_update_work(struct work_struct *work) +{ + struct host1x_cdma *cdma = container_of(work, struct host1x_cdma, update_work); + + mutex_lock(&cdma->lock); + update_cdma_locked(cdma); + mutex_unlock(&cdma->lock); +} + /* * Create a cdma */ @@ -499,6 +508,7 @@ int host1x_cdma_init(struct host1x_cdma *cdma) mutex_init(&cdma->lock); init_completion(&cdma->complete); + INIT_WORK(&cdma->update_work, cdma_update_work); INIT_LIST_HEAD(&cdma->sync_queue); @@ -679,7 +689,5 @@ void host1x_cdma_end(struct host1x_cdma *cdma, */ void host1x_cdma_update(struct host1x_cdma *cdma) { - mutex_lock(&cdma->lock); - update_cdma_locked(cdma); - mutex_unlock(&cdma->lock); + schedule_work(&cdma->update_work); } |