summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/ingenic/ingenic-drm-drv.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/ingenic/ingenic-drm-drv.c')
-rw-r--r--drivers/gpu/drm/ingenic/ingenic-drm-drv.c70
1 files changed, 45 insertions, 25 deletions
diff --git a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c
index 8dbd4847d3a6..0751235007a7 100644
--- a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c
+++ b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c
@@ -1130,7 +1130,7 @@ static int ingenic_drm_bind(struct device *dev, bool has_components)
ret = drmm_mode_config_init(drm);
if (ret)
- return ret;
+ goto err_drvdata;
drm->mode_config.min_width = 0;
drm->mode_config.min_height = 0;
@@ -1142,7 +1142,8 @@ static int ingenic_drm_bind(struct device *dev, bool has_components)
base = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
if (IS_ERR(base)) {
dev_err(dev, "Failed to get memory resource\n");
- return PTR_ERR(base);
+ ret = PTR_ERR(base);
+ goto err_drvdata;
}
regmap_config = ingenic_drm_regmap_config;
@@ -1151,33 +1152,40 @@ static int ingenic_drm_bind(struct device *dev, bool has_components)
&regmap_config);
if (IS_ERR(priv->map)) {
dev_err(dev, "Failed to create regmap\n");
- return PTR_ERR(priv->map);
+ ret = PTR_ERR(priv->map);
+ goto err_drvdata;
}
irq = platform_get_irq(pdev, 0);
- if (irq < 0)
- return irq;
+ if (irq < 0) {
+ ret = irq;
+ goto err_drvdata;
+ }
if (soc_info->needs_dev_clk) {
priv->lcd_clk = devm_clk_get(dev, "lcd");
if (IS_ERR(priv->lcd_clk)) {
dev_err(dev, "Failed to get lcd clock\n");
- return PTR_ERR(priv->lcd_clk);
+ ret = PTR_ERR(priv->lcd_clk);
+ goto err_drvdata;
}
}
priv->pix_clk = devm_clk_get(dev, "lcd_pclk");
if (IS_ERR(priv->pix_clk)) {
dev_err(dev, "Failed to get pixel clock\n");
- return PTR_ERR(priv->pix_clk);
+ ret = PTR_ERR(priv->pix_clk);
+ goto err_drvdata;
}
priv->dma_hwdescs = dmam_alloc_coherent(dev,
sizeof(*priv->dma_hwdescs),
&priv->dma_hwdescs_phys,
GFP_KERNEL);
- if (!priv->dma_hwdescs)
- return -ENOMEM;
+ if (!priv->dma_hwdescs) {
+ ret = -ENOMEM;
+ goto err_drvdata;
+ }
/* Configure DMA hwdesc for foreground0 plane */
ingenic_drm_configure_hwdesc_plane(priv, 0);
@@ -1199,7 +1207,7 @@ static int ingenic_drm_bind(struct device *dev, bool has_components)
NULL, DRM_PLANE_TYPE_PRIMARY, NULL);
if (ret) {
dev_err(dev, "Failed to register plane: %i\n", ret);
- return ret;
+ goto err_drvdata;
}
if (soc_info->map_noncoherent)
@@ -1211,7 +1219,7 @@ static int ingenic_drm_bind(struct device *dev, bool has_components)
NULL, &ingenic_drm_crtc_funcs, NULL);
if (ret) {
dev_err(dev, "Failed to init CRTC: %i\n", ret);
- return ret;
+ goto err_drvdata;
}
drm_crtc_enable_color_mgmt(&priv->crtc, 0, false,
@@ -1230,7 +1238,7 @@ static int ingenic_drm_bind(struct device *dev, bool has_components)
if (ret) {
dev_err(dev, "Failed to register overlay plane: %i\n",
ret);
- return ret;
+ goto err_drvdata;
}
if (soc_info->map_noncoherent)
@@ -1241,17 +1249,18 @@ static int ingenic_drm_bind(struct device *dev, bool has_components)
if (ret) {
if (ret != -EPROBE_DEFER)
dev_err(dev, "Failed to bind components: %i\n", ret);
- return ret;
+ goto err_drvdata;
}
ret = devm_add_action_or_reset(dev, ingenic_drm_unbind_all, priv);
if (ret)
- return ret;
+ goto err_drvdata;
priv->ipu_plane = drm_plane_from_index(drm, 2);
if (!priv->ipu_plane) {
dev_err(dev, "Failed to retrieve IPU plane\n");
- return -EINVAL;
+ ret = -EINVAL;
+ goto err_drvdata;
}
}
}
@@ -1263,7 +1272,7 @@ static int ingenic_drm_bind(struct device *dev, bool has_components)
break; /* we're done */
if (ret != -EPROBE_DEFER)
dev_err(dev, "Failed to get bridge handle\n");
- return ret;
+ goto err_drvdata;
}
if (panel)
@@ -1275,7 +1284,7 @@ static int ingenic_drm_bind(struct device *dev, bool has_components)
if (IS_ERR(ib)) {
ret = PTR_ERR(ib);
dev_err(dev, "Failed to init encoder: %d\n", ret);
- return ret;
+ goto err_drvdata;
}
encoder = &ib->encoder;
@@ -1290,13 +1299,14 @@ static int ingenic_drm_bind(struct device *dev, bool has_components)
DRM_BRIDGE_ATTACH_NO_CONNECTOR);
if (ret) {
dev_err(dev, "Unable to attach bridge\n");
- return ret;
+ goto err_drvdata;
}
connector = drm_bridge_connector_init(drm, encoder);
if (IS_ERR(connector)) {
dev_err(dev, "Unable to init connector\n");
- return PTR_ERR(connector);
+ ret = PTR_ERR(connector);
+ goto err_drvdata;
}
drm_connector_attach_encoder(connector, encoder);
@@ -1313,13 +1323,13 @@ static int ingenic_drm_bind(struct device *dev, bool has_components)
ret = devm_request_irq(dev, irq, ingenic_drm_irq_handler, 0, drm->driver->name, drm);
if (ret) {
dev_err(dev, "Unable to install IRQ handler\n");
- return ret;
+ goto err_drvdata;
}
ret = drm_vblank_init(drm, 1);
if (ret) {
dev_err(dev, "Failed calling drm_vblank_init()\n");
- return ret;
+ goto err_drvdata;
}
drm_mode_config_reset(drm);
@@ -1327,7 +1337,7 @@ static int ingenic_drm_bind(struct device *dev, bool has_components)
ret = clk_prepare_enable(priv->pix_clk);
if (ret) {
dev_err(dev, "Unable to start pixel clock\n");
- return ret;
+ goto err_drvdata;
}
if (priv->lcd_clk) {
@@ -1402,6 +1412,8 @@ err_devclk_disable:
clk_disable_unprepare(priv->lcd_clk);
err_pixclk_disable:
clk_disable_unprepare(priv->pix_clk);
+err_drvdata:
+ platform_set_drvdata(pdev, NULL);
return ret;
}
@@ -1422,6 +1434,7 @@ static void ingenic_drm_unbind(struct device *dev)
drm_dev_unregister(&priv->drm);
drm_atomic_helper_shutdown(&priv->drm);
+ dev_set_drvdata(dev, NULL);
}
static const struct component_master_ops ingenic_master_ops = {
@@ -1449,7 +1462,7 @@ static int ingenic_drm_probe(struct platform_device *pdev)
return component_master_add_with_match(dev, &ingenic_master_ops, match);
}
-static int ingenic_drm_remove(struct platform_device *pdev)
+static void ingenic_drm_remove(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
@@ -1457,8 +1470,14 @@ static int ingenic_drm_remove(struct platform_device *pdev)
ingenic_drm_unbind(dev);
else
component_master_del(dev, &ingenic_master_ops);
+}
- return 0;
+static void ingenic_drm_shutdown(struct platform_device *pdev)
+{
+ struct ingenic_drm *priv = platform_get_drvdata(pdev);
+
+ if (priv)
+ drm_atomic_helper_shutdown(&priv->drm);
}
static int ingenic_drm_suspend(struct device *dev)
@@ -1611,7 +1630,8 @@ static struct platform_driver ingenic_drm_driver = {
.of_match_table = of_match_ptr(ingenic_drm_of_match),
},
.probe = ingenic_drm_probe,
- .remove = ingenic_drm_remove,
+ .remove_new = ingenic_drm_remove,
+ .shutdown = ingenic_drm_shutdown,
};
static int ingenic_drm_init(void)
generated by cgit (git 2.34.1) at 2024-06-09 14:37:18 +0000