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path: root/drivers/gpu/drm/meson/meson_drv.c
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Diffstat (limited to 'drivers/gpu/drm/meson/meson_drv.c')
-rw-r--r--drivers/gpu/drm/meson/meson_drv.c37
1 files changed, 26 insertions, 11 deletions
diff --git a/drivers/gpu/drm/meson/meson_drv.c b/drivers/gpu/drm/meson/meson_drv.c
index f9ad0e960263..32b1a6cdecfc 100644
--- a/drivers/gpu/drm/meson/meson_drv.c
+++ b/drivers/gpu/drm/meson/meson_drv.c
@@ -189,40 +189,55 @@ static int meson_drv_bind_master(struct device *dev, bool has_components)
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "vpu");
regs = devm_ioremap_resource(dev, res);
- if (IS_ERR(regs))
- return PTR_ERR(regs);
+ if (IS_ERR(regs)) {
+ ret = PTR_ERR(regs);
+ goto free_drm;
+ }
priv->io_base = regs;
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "hhi");
+ if (!res)
+ return -EINVAL;
/* Simply ioremap since it may be a shared register zone */
regs = devm_ioremap(dev, res->start, resource_size(res));
- if (!regs)
- return -EADDRNOTAVAIL;
+ if (!regs) {
+ ret = -EADDRNOTAVAIL;
+ goto free_drm;
+ }
priv->hhi = devm_regmap_init_mmio(dev, regs,
&meson_regmap_config);
if (IS_ERR(priv->hhi)) {
dev_err(&pdev->dev, "Couldn't create the HHI regmap\n");
- return PTR_ERR(priv->hhi);
+ ret = PTR_ERR(priv->hhi);
+ goto free_drm;
}
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dmc");
+ if (!res)
+ return -EINVAL;
/* Simply ioremap since it may be a shared register zone */
regs = devm_ioremap(dev, res->start, resource_size(res));
- if (!regs)
- return -EADDRNOTAVAIL;
+ if (!regs) {
+ ret = -EADDRNOTAVAIL;
+ goto free_drm;
+ }
priv->dmc = devm_regmap_init_mmio(dev, regs,
&meson_regmap_config);
if (IS_ERR(priv->dmc)) {
dev_err(&pdev->dev, "Couldn't create the DMC regmap\n");
- return PTR_ERR(priv->dmc);
+ ret = PTR_ERR(priv->dmc);
+ goto free_drm;
}
priv->vsync_irq = platform_get_irq(pdev, 0);
- drm_vblank_init(drm, 1);
+ ret = drm_vblank_init(drm, 1);
+ if (ret)
+ goto free_drm;
+
drm_mode_config_init(drm);
drm->mode_config.max_width = 3840;
drm->mode_config.max_height = 2160;
@@ -281,7 +296,7 @@ static int meson_drv_bind_master(struct device *dev, bool has_components)
return 0;
free_drm:
- drm_dev_unref(drm);
+ drm_dev_put(drm);
return ret;
}
@@ -300,7 +315,7 @@ static void meson_drv_unbind(struct device *dev)
drm_kms_helper_poll_fini(drm);
drm_fbdev_cma_fini(priv->fbdev);
drm_mode_config_cleanup(drm);
- drm_dev_unref(drm);
+ drm_dev_put(drm);
}