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Commit 9084f7b8 authored by Joonyoung Shim's avatar Joonyoung Shim Committed by Dave Airlie
Browse files

drm/exynos: add subdrv open/close functions 



Some subdrv need open and close functions call when open and close drm.

Signed-off-by: default avatarJoonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: default avatarInki Dae <inki.dae@samsung.com>
Signed-off-by: default avatarKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 132a5b91

drivers/gpu/drm/exynos/exynos_drm_core.c

+35 −0
Original line number Diff line number Diff line
@@ -175,3 +175,38 @@ int exynos_drm_subdrv_unregister(struct exynos_drm_subdrv *subdrv) 
	return 0;

}

EXPORT_SYMBOL_GPL(exynos_drm_subdrv_unregister);



int exynos_drm_subdrv_open(struct drm_device *dev, struct drm_file *file)

{

	struct exynos_drm_subdrv *subdrv;

	int ret;



	list_for_each_entry(subdrv, &exynos_drm_subdrv_list, list) {

		if (subdrv->open) {

			ret = subdrv->open(dev, subdrv->manager.dev, file);

			if (ret)

				goto err;

		}

	}



	return 0;



err:

	list_for_each_entry_reverse(subdrv, &subdrv->list, list) {

		if (subdrv->close)

			subdrv->close(dev, subdrv->manager.dev, file);

	}

	return ret;

}

EXPORT_SYMBOL_GPL(exynos_drm_subdrv_open);



void exynos_drm_subdrv_close(struct drm_device *dev, struct drm_file *file)

{

	struct exynos_drm_subdrv *subdrv;



	list_for_each_entry(subdrv, &exynos_drm_subdrv_list, list) {

		if (subdrv->close)

			subdrv->close(dev, subdrv->manager.dev, file);

	}

}

EXPORT_SYMBOL_GPL(exynos_drm_subdrv_close);

drivers/gpu/drm/exynos/exynos_drm_drv.c

+10 −0
Original line number Diff line number Diff line
@@ -144,6 +144,13 @@ static int exynos_drm_unload(struct drm_device *dev) 
	return 0;

}



static int exynos_drm_open(struct drm_device *dev, struct drm_file *file)

{

	DRM_DEBUG_DRIVER("%s\n", __FILE__);



	return exynos_drm_subdrv_open(dev, file);

}



static void exynos_drm_preclose(struct drm_device *dev,

					struct drm_file *file)

{
@@ -163,6 +170,8 @@ static void exynos_drm_preclose(struct drm_device *dev, 
		}

	}

	spin_unlock_irqrestore(&dev->event_lock, flags);



	exynos_drm_subdrv_close(dev, file);

}



static void exynos_drm_postclose(struct drm_device *dev, struct drm_file *file)
@@ -216,6 +225,7 @@ static struct drm_driver exynos_drm_driver = { 
				  DRIVER_MODESET | DRIVER_GEM,

	.load			= exynos_drm_load,

	.unload			= exynos_drm_unload,

	.open			= exynos_drm_open,

	.preclose		= exynos_drm_preclose,

	.lastclose		= exynos_drm_lastclose,

	.postclose		= exynos_drm_postclose,

drivers/gpu/drm/exynos/exynos_drm_drv.h

+9 −0
Original line number Diff line number Diff line
@@ -229,6 +229,8 @@ struct exynos_drm_private { 
 *	subdrv is registered to it.

 * @remove: this callback is used to release resources created

 *	by probe callback.

 * @open: this would be called with drm device file open.

 * @close: this would be called with drm device file close.

 * @manager: subdrv has its own manager to control a hardware appropriately

 *	and we can access a hardware drawing on this manager.

 * @encoder: encoder object owned by this sub driver.
@@ -240,6 +242,10 @@ struct exynos_drm_subdrv { 


	int (*probe)(struct drm_device *drm_dev, struct device *dev);

	void (*remove)(struct drm_device *dev);

	int (*open)(struct drm_device *drm_dev, struct device *dev,

			struct drm_file *file);

	void (*close)(struct drm_device *drm_dev, struct device *dev,

			struct drm_file *file);



	struct exynos_drm_manager manager;

	struct drm_encoder *encoder;
@@ -269,6 +275,9 @@ int exynos_drm_subdrv_register(struct exynos_drm_subdrv *drm_subdrv); 
/* this function removes subdrv list from exynos drm driver */

int exynos_drm_subdrv_unregister(struct exynos_drm_subdrv *drm_subdrv);



int exynos_drm_subdrv_open(struct drm_device *dev, struct drm_file *file);

void exynos_drm_subdrv_close(struct drm_device *dev, struct drm_file *file);



extern struct platform_driver fimd_driver;

extern struct platform_driver hdmi_driver;

extern struct platform_driver mixer_driver;