diff options
author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2018-03-01 00:49:24 +0300 |
---|---|---|
committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2018-09-03 16:13:25 +0300 |
commit | 6a7c5a2200ad10a23912d3f40ef104f0d0543de4 (patch) | |
tree | 8c9c3b6dfd33fdf80811962e5971b466467351f3 /drivers/gpu/drm/omapdrm/dss/base.c | |
parent | 7e7a0edecca0e317b6a29478c24e8f7a2234382b (diff) | |
download | linux-6a7c5a2200ad10a23912d3f40ef104f0d0543de4.tar.xz |
drm/omap: dss: Create global list of all omap_dss_device instances
The omap_dss_device instances are stored in two separate lists,
depending on whether they are panels or outputs. Create a third list
that stores all omap_dss_device instances to allow generic code to
operate on all instances.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'drivers/gpu/drm/omapdrm/dss/base.c')
-rw-r--r-- | drivers/gpu/drm/omapdrm/dss/base.c | 45 |
1 files changed, 36 insertions, 9 deletions
diff --git a/drivers/gpu/drm/omapdrm/dss/base.c b/drivers/gpu/drm/omapdrm/dss/base.c index 99e8cb8dc65b..18b72d7c717a 100644 --- a/drivers/gpu/drm/omapdrm/dss/base.c +++ b/drivers/gpu/drm/omapdrm/dss/base.c @@ -14,24 +14,17 @@ */ #include <linux/kernel.h> +#include <linux/list.h> #include <linux/module.h> +#include <linux/mutex.h> #include <linux/of.h> #include <linux/of_graph.h> -#include <linux/list.h> #include "dss.h" #include "omapdss.h" static struct dss_device *dss_device; -static struct list_head omapdss_comp_list; - -struct omapdss_comp_node { - struct list_head list; - struct device_node *node; - bool dss_core_component; -}; - struct dss_device *omapdss_get_dss(void) { return dss_device; @@ -56,6 +49,40 @@ const struct dispc_ops *dispc_get_ops(struct dss_device *dss) } EXPORT_SYMBOL(dispc_get_ops); + +/* ----------------------------------------------------------------------------- + * OMAP DSS Devices Handling + */ + +static LIST_HEAD(omapdss_devices_list); +static DEFINE_MUTEX(omapdss_devices_lock); + +void omapdss_device_register(struct omap_dss_device *dssdev) +{ + mutex_lock(&omapdss_devices_lock); + list_add_tail(&dssdev->list, &omapdss_devices_list); + mutex_unlock(&omapdss_devices_lock); +} + +void omapdss_device_unregister(struct omap_dss_device *dssdev) +{ + mutex_lock(&omapdss_devices_lock); + list_del(&dssdev->list); + mutex_unlock(&omapdss_devices_lock); +} + +/* ----------------------------------------------------------------------------- + * Components Handling + */ + +static struct list_head omapdss_comp_list; + +struct omapdss_comp_node { + struct list_head list; + struct device_node *node; + bool dss_core_component; +}; + static bool omapdss_list_contains(const struct device_node *node) { struct omapdss_comp_node *comp; |