OMAP: DSS2: Add Kconfig option for DPI display type

This allows us to disable DPI on systems that do not have it

Signed-off-by: Roger Quadros <roger.quadros@nokia.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>

4 files changed, 16 insertions, 1 deletions

diff --git a/drivers/video/omap2/dss/Kconfig b/drivers/video/omap2/dss/Kconfig
index 87afb81b2c44..43b64403eaa4 100644
--- a/drivers/video/omap2/dss/Kconfig
+++ b/drivers/video/omap2/dss/Kconfig
@@ -36,6 +36,12 @@ config OMAP2_DSS_COLLECT_IRQ_STATS
           <debugfs>/omapdss/dispc_irq for DISPC interrupts, and
           <debugfs>/omapdss/dsi_irq for DSI interrupts.
 
+config OMAP2_DSS_DPI
+        bool "DPI support"
+        default y
+        help
+          DPI Interface. This is the Parallel Display Interface.
+
 config OMAP2_DSS_RFBI
         bool "RFBI support"
         default n
diff --git a/drivers/video/omap2/dss/Makefile b/drivers/video/omap2/dss/Makefile
index 980c72c2db98..d71b5d9d71b1 100644
--- a/drivers/video/omap2/dss/Makefile
+++ b/drivers/video/omap2/dss/Makefile
@@ -1,5 +1,6 @@
 obj-$(CONFIG_OMAP2_DSS) += omapdss.o
-omapdss-y := core.o dss.o dispc.o dpi.o display.o manager.o overlay.o
+omapdss-y := core.o dss.o dispc.o display.o manager.o overlay.o
+omapdss-$(CONFIG_OMAP2_DSS_DPI) += dpi.o
 omapdss-$(CONFIG_OMAP2_DSS_RFBI) += rfbi.o
 omapdss-$(CONFIG_OMAP2_DSS_VENC) += venc.o
 omapdss-$(CONFIG_OMAP2_DSS_SDI) += sdi.o
diff --git a/drivers/video/omap2/dss/core.c b/drivers/video/omap2/dss/core.c
index 7ebe50b335ed..6d54467e5e20 100644
--- a/drivers/video/omap2/dss/core.c
+++ b/drivers/video/omap2/dss/core.c
@@ -526,11 +526,13 @@ static int omap_dss_probe(struct platform_device *pdev)
         }
 #endif
 
+#ifdef CONFIG_OMAP2_DSS_DPI
         r = dpi_init(pdev);
         if (r) {
                 DSSERR("Failed to initialize dpi\n");
                 goto fail0;
         }
+#endif
 
         r = dispc_init();
         if (r) {
@@ -601,7 +603,9 @@ static int omap_dss_remove(struct platform_device *pdev)
         venc_exit();
 #endif
         dispc_exit();
+#ifdef CONFIG_OMAP2_DSS_DPI
         dpi_exit();
+#endif
 #ifdef CONFIG_OMAP2_DSS_RFBI
         rfbi_exit();
 #endif
diff --git a/drivers/video/omap2/dss/display.c b/drivers/video/omap2/dss/display.c
index 6a74ea116d29..71389630b108 100644
--- a/drivers/video/omap2/dss/display.c
+++ b/drivers/video/omap2/dss/display.c
@@ -392,7 +392,9 @@ void dss_init_device(struct platform_device *pdev,
         int r;
 
         switch (dssdev->type) {
+#ifdef CONFIG_OMAP2_DSS_DPI
         case OMAP_DISPLAY_TYPE_DPI:
+#endif
 #ifdef CONFIG_OMAP2_DSS_RFBI
         case OMAP_DISPLAY_TYPE_DBI:
 #endif
@@ -413,9 +415,11 @@ void dss_init_device(struct platform_device *pdev,
         }
 
         switch (dssdev->type) {
+#ifdef CONFIG_OMAP2_DSS_DPI
         case OMAP_DISPLAY_TYPE_DPI:
                 r = dpi_init_display(dssdev);
                 break;
+#endif
 #ifdef CONFIG_OMAP2_DSS_RFBI
         case OMAP_DISPLAY_TYPE_DBI:
                 r = rfbi_init_display(dssdev);