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Message-Id: <1389124986-32501-1-git-send-email-kusmabite@gmail.com> Date: Tue, 7 Jan 2014 21:03:06 +0100 From: Erik Faye-Lund <kusmabite@...il.com> To: linux-tegra@...r.kernel.org Cc: thierry.reding@...il.com, tbergstrom@...dia.com, dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, Erik Faye-Lund <kusmabite@...il.com> Subject: [PATCH] gpu: host1x: do not check previously handled gathers 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@...il.com> --- 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@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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