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drm/tegra: Move IOMMU group into host1x client

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Handling of the IOMMU group attachment is common to all clients, so move
the group into the client to simplify code.

Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Thierry Reding
2019-02-08 14:35:13 +01:00
parent 7baa943e0b
commit aacdf19849
8 changed files with 32 additions and 40 deletions
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10
drivers/gpu/drm/tegra/gr2d.c
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@@ -17,7 +17,6 @@ struct gr2d_soc {
};
struct gr2d {
struct iommu_group *group;
struct tegra_drm_client client;
struct host1x_channel *channel;
struct clk *clk;
@@ -51,9 +50,8 @@ static int gr2d_init(struct host1x_client *client)
goto put;
}
gr2d->group = host1x_client_iommu_attach(client, false);
if (IS_ERR(gr2d->group)) {
err = PTR_ERR(gr2d->group);
err = host1x_client_iommu_attach(client, false);
if (err < 0) {
dev_err(client->dev, "failed to attach to domain: %d\n", err);
goto free;
}
@@ -67,7 +65,7 @@ static int gr2d_init(struct host1x_client *client)
return 0;
detach:
host1x_client_iommu_detach(client, gr2d->group);
host1x_client_iommu_detach(client);
free:
host1x_syncpt_free(client->syncpts[0]);
put:
@@ -87,7 +85,7 @@ static int gr2d_exit(struct host1x_client *client)
if (err < 0)
return err;
host1x_client_iommu_detach(client, gr2d->group);
host1x_client_iommu_detach(client);
host1x_syncpt_free(client->syncpts[0]);
host1x_channel_put(gr2d->channel);