[PATCH 12/36] drm/omap: move dss_initialized to omapdss-base

[Tomi Valkeinen <tomi.valkeinen@xxxxxx>]

omapdss_is_initialized() is used to find out if omapdss has been probed
successfully. This patch moves the related code to the common
omapdss-base module, so that the same support will be there for both
omapdss and omapdss6.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
---
 drivers/gpu/drm/omapdrm/dss/base.c    | 14 ++++++++++++++
 drivers/gpu/drm/omapdrm/dss/dss.c     | 12 ++----------
 drivers/gpu/drm/omapdrm/dss/omapdss.h |  2 ++
 3 files changed, 18 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/omapdrm/dss/base.c b/drivers/gpu/drm/omapdrm/dss/base.c
index 943030a7523c..03942097b9f1 100644
--- a/drivers/gpu/drm/omapdrm/dss/base.c
+++ b/drivers/gpu/drm/omapdrm/dss/base.c
@@ -1,6 +1,20 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 
+static bool dss_initialized;
+
+void omapdss_set_is_initialized(bool set)
+{
+	dss_initialized = set;
+}
+EXPORT_SYMBOL(omapdss_set_is_initialized);
+
+bool omapdss_is_initialized(void)
+{
+	return dss_initialized;
+}
+EXPORT_SYMBOL(omapdss_is_initialized);
+
 MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@xxxxxx>");
 MODULE_DESCRIPTION("OMAP Display Subsystem Base");
 MODULE_LICENSE("GPL v2");
diff --git a/drivers/gpu/drm/omapdrm/dss/dss.c b/drivers/gpu/drm/omapdrm/dss/dss.c
index 14887d5b02e5..e647cebe7d9d 100644
--- a/drivers/gpu/drm/omapdrm/dss/dss.c
+++ b/drivers/gpu/drm/omapdrm/dss/dss.c
@@ -117,14 +117,6 @@ static const char * const dss_generic_clk_source_names[] = {
 	[DSS_CLK_SRC_HDMI_PLL]	= "HDMI PLL",
 };
 
-static bool dss_initialized;
-
-bool omapdss_is_initialized(void)
-{
-	return dss_initialized;
-}
-EXPORT_SYMBOL(omapdss_is_initialized);
-
 static inline void dss_write_reg(const struct dss_reg idx, u32 val)
 {
 	__raw_writel(val, dss.base + idx.idx);
@@ -1267,7 +1259,7 @@ static int dss_bind(struct device *dev)
 
 	pm_set_vt_switch(0);
 
-	dss_initialized = true;
+	omapdss_set_is_initialized(true);
 
 	return 0;
 
@@ -1291,7 +1283,7 @@ static void dss_unbind(struct device *dev)
 {
 	struct platform_device *pdev = to_platform_device(dev);
 
-	dss_initialized = false;
+	omapdss_set_is_initialized(false);
 
 	component_unbind_all(&pdev->dev, NULL);
 
diff --git a/drivers/gpu/drm/omapdrm/dss/omapdss.h b/drivers/gpu/drm/omapdrm/dss/omapdss.h
index 403bab718738..877484adbbdc 100644
--- a/drivers/gpu/drm/omapdrm/dss/omapdss.h
+++ b/drivers/gpu/drm/omapdrm/dss/omapdss.h
@@ -847,6 +847,8 @@ omapdss_of_find_source_for_first_ep(struct device_node *node);
 struct device_node *omapdss_of_get_endpoint(struct device_node *parent,
 	int port_index, int ep_index);
 
+void omapdss_set_is_initialized(bool set);
+
 u32 dispc_read_irqstatus(void);
 void dispc_clear_irqstatus(u32 mask);
 u32 dispc_read_irqenable(void);
-- 
2.7.4

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