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gpu: host1x: Don't fail on NULL bo physical address

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Pinning a Host1x BO currently cannot fail and zero is a valid address
for a BO when IOMMU is enabled. To avoid false errors remove checks
for NULL BO physical addresses.

Fixes: 404bfb78da ("gpu: host1x: Add IOMMU support")
Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Mikko Perttunen 2017-08-02 12:55:04 +03:00 committed by Thierry Reding
parent 5771a8c088
commit 18b3f5ac6b
1 changed files with 0 additions and 8 deletions
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8
drivers/gpu/host1x/job.c
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@ -197,10 +197,6 @@ static unsigned int pin_job(struct host1x *host, struct host1x_job *job)
}
phys_addr = host1x_bo_pin(reloc->target.bo, &sgt);
if (!phys_addr) {
err = -EINVAL;
goto unpin;
}
job->addr_phys[job->num_unpins] = phys_addr;
job->unpins[job->num_unpins].bo = reloc->target.bo;
@ -225,10 +221,6 @@ static unsigned int pin_job(struct host1x *host, struct host1x_job *job)
}
phys_addr = host1x_bo_pin(g->bo, &sgt);
if (!phys_addr) {
err = -EINVAL;
goto unpin;
}
if (!IS_ENABLED(CONFIG_TEGRA_HOST1X_FIREWALL) && host->domain) {
for_each_sg(sgt->sgl, sg, sgt->nents, j)