diff options
| -rw-r--r-- | drivers/gpu/drm/ingenic/ingenic-drm-drv.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c index eadfe3a20bf1..d34e76f5f57d 100644 --- a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c +++ b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c @@ -14,6 +14,7 @@ #include <linux/module.h> #include <linux/mutex.h> #include <linux/of_device.h> +#include <linux/of_reserved_mem.h> #include <linux/platform_device.h> #include <linux/regmap.h> @@ -837,6 +838,11 @@ static void ingenic_drm_unbind_all(void *d) component_unbind_all(priv->dev, &priv->drm); } +static void __maybe_unused ingenic_drm_release_rmem(void *d) +{ + of_reserved_mem_device_release(d); +} + static int ingenic_drm_bind(struct device *dev, bool has_components) { struct platform_device *pdev = to_platform_device(dev); @@ -858,6 +864,19 @@ static int ingenic_drm_bind(struct device *dev, bool has_components) return -EINVAL; } + if (IS_ENABLED(CONFIG_OF_RESERVED_MEM)) { + ret = of_reserved_mem_device_init(dev); + + if (ret && ret != -ENODEV) + dev_warn(dev, "Failed to get reserved memory: %d\n", ret); + + if (!ret) { + ret = devm_add_action_or_reset(dev, ingenic_drm_release_rmem, dev); + if (ret) + return ret; + } + } + priv = devm_drm_dev_alloc(dev, &ingenic_drm_driver_data, struct ingenic_drm, drm); if (IS_ERR(priv)) |