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drm/exynos: remove in_bridge_node from exynos_dsi

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We do not need to keep a reference to the in_bridge_node, but we can
simply drop it, once we found and attached the previous bridge.

Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
Michael Tretter
2020-09-11 15:53:59 +02:00
committed by Inki Dae
parent 60d1029b3f
commit e5d57c5403
1 changed files with 5 additions and 10 deletions
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15
drivers/gpu/drm/exynos/exynos_drm_dsi.c
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@@ -282,7 +282,6 @@ struct exynos_dsi {
struct list_head transfer_list;
const struct exynos_dsi_driver_data *driver_data;
struct device_node *in_bridge_node;
};
#define host_to_dsi(host) container_of(host, struct exynos_dsi, dsi_host)
@@ -1684,8 +1683,6 @@ static int exynos_dsi_parse_dt(struct exynos_dsi *dsi)
if (ret < 0)
return ret;
dsi->in_bridge_node = of_graph_get_remote_node(node, DSI_PORT_IN, 0);
return 0;
}
@@ -1695,6 +1692,7 @@ static int exynos_dsi_bind(struct device *dev, struct device *master,
struct drm_encoder *encoder = dev_get_drvdata(dev);
struct exynos_dsi *dsi = encoder_to_dsi(encoder);
struct drm_device *drm_dev = data;
struct device_node *in_bridge_node;
struct drm_bridge *in_bridge;
int ret;
@@ -1706,10 +1704,12 @@ static int exynos_dsi_bind(struct device *dev, struct device *master,
if (ret < 0)
return ret;
if (dsi->in_bridge_node) {
in_bridge = of_drm_find_bridge(dsi->in_bridge_node);
in_bridge_node = of_graph_get_remote_node(dev->of_node, DSI_PORT_IN, 0);
if (in_bridge_node) {
in_bridge = of_drm_find_bridge(in_bridge_node);
if (in_bridge)
drm_bridge_attach(encoder, in_bridge, NULL, 0);
of_node_put(in_bridge_node);
}
return mipi_dsi_host_register(&dsi->dsi_host);
@@ -1827,17 +1827,12 @@ static int exynos_dsi_probe(struct platform_device *pdev)
err_disable_runtime:
pm_runtime_disable(dev);
of_node_put(dsi->in_bridge_node);
return ret;
}
static int exynos_dsi_remove(struct platform_device *pdev)
{
struct exynos_dsi *dsi = platform_get_drvdata(pdev);
of_node_put(dsi->in_bridge_node);
pm_runtime_disable(&pdev->dev);
component_del(&pdev->dev, &exynos_dsi_component_ops);