diff options
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/host1x/job.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/gpu/host1x/job.c b/drivers/gpu/host1x/job.c index f32ae69a68c7..bee504406cfc 100644 --- a/drivers/gpu/host1x/job.c +++ b/drivers/gpu/host1x/job.c @@ -574,12 +574,20 @@ static inline int copy_gathers(struct host1x_job *job, struct device *dev) size += g->words * sizeof(u32); } + /* + * Try a non-blocking allocation from a higher priority pools first, + * as awaiting for the allocation here is a major performance hit. + */ job->gather_copy_mapped = dma_alloc_wc(dev, size, &job->gather_copy, - GFP_KERNEL); - if (!job->gather_copy_mapped) { - job->gather_copy_mapped = NULL; + GFP_NOWAIT); + + /* the higher priority allocation failed, try the generic-blocking */ + if (!job->gather_copy_mapped) + job->gather_copy_mapped = dma_alloc_wc(dev, size, + &job->gather_copy, + GFP_KERNEL); + if (!job->gather_copy_mapped) return -ENOMEM; - } job->gather_copy_size = size; |