[PATCH] gpu: host1x: do not check previously handled gathers

From: Erik Faye-Lund
Date: Tue Jan 07 2014 - 15:03:28 EST


When patching gathers, we don't need to check against
gathers with lower indices than the current one, as
they are guaranteed to already have been handled.

Signed-off-by: Erik Faye-Lund <kusmabite@xxxxxxxxx>
---

Here's a trivial optimization I have been running with for a while.

drivers/gpu/host1x/job.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/host1x/job.c b/drivers/gpu/host1x/job.c
index de5ec33..e965805 100644
--- a/drivers/gpu/host1x/job.c
+++ b/drivers/gpu/host1x/job.c
@@ -534,7 +534,7 @@ int host1x_job_pin(struct host1x_job *job, struct device *dev)

g->base = job->gather_addr_phys[i];

- for (j = 0; j < job->num_gathers; j++)
+ for (j = i + 1; j < job->num_gathers; j++)
if (job->gathers[j].bo == g->bo)
job->gathers[j].handled = true;

--
1.8.1.2

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/