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authorArchit Taneja <archit@ti.com>2013-09-16 11:18:29 +0400
committerTony Lindgren <tony@atomide.com>2013-10-09 01:02:35 +0400
commit7a59743d0ccbeade0cb130f9ceabbe51cb6d3eb7 (patch)
tree96c139fe65c3be5893250790b9f6335dda3b8db9
parent7dfebabd4852b08ec0093d6f78aba7bc1b100318 (diff)
downloadlinux-7a59743d0ccbeade0cb130f9ceabbe51cb6d3eb7.tar.xz
ARM: OMAP2+: display: Create omapdrm device inside omap_display_init
Move omapdrm device creation inside the omap_display_init so that we can correctly create the device based on the presence of omapdss within the platform. For example, on a kernel image supporting multiple platforms, omap_init_drm will create a omapdrm platform device on a AM33xx platform even though it doesn't have a DSS block. Originally worked on by Andy Gross. Cc: Andy Gross <andygro@gmail.com> Signed-off-by: Archit Taneja <archit@ti.com> Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
-rw-r--r--arch/arm/mach-omap2/Makefile6
-rw-r--r--arch/arm/mach-omap2/display.c7
-rw-r--r--arch/arm/mach-omap2/display.h1
-rw-r--r--arch/arm/mach-omap2/drm.c10
4 files changed, 14 insertions, 10 deletions
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index afb457c3135b..e59bec01dd25 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -8,7 +8,7 @@ ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/$(src)/include \
# Common support
obj-y := id.o io.o control.o mux.o devices.o fb.o serial.o gpmc.o timer.o pm.o \
common.o gpio.o dma.o wd_timer.o display.o i2c.o hdq1w.o omap_hwmod.o \
- omap_device.o sram.o
+ omap_device.o sram.o drm.o
omap-2-3-common = irq.o
hwmod-common = omap_hwmod.o omap_hwmod_reset.o \
@@ -228,10 +228,6 @@ endif
# OMAP2420 MSDI controller integration support ("MMC")
obj-$(CONFIG_SOC_OMAP2420) += msdi.o
-ifneq ($(CONFIG_DRM_OMAP),)
-obj-y += drm.o
-endif
-
# Specific board support
obj-$(CONFIG_MACH_OMAP_GENERIC) += board-generic.o
obj-$(CONFIG_MACH_OMAP_H4) += board-h4.o
diff --git a/arch/arm/mach-omap2/display.c b/arch/arm/mach-omap2/display.c
index 03a0516c7f67..8d8ee4742f3f 100644
--- a/arch/arm/mach-omap2/display.c
+++ b/arch/arm/mach-omap2/display.c
@@ -416,6 +416,13 @@ int __init omap_display_init(struct omap_dss_board_info *board_data)
}
}
+ /* create DRM device */
+ r = omap_init_drm();
+ if (r < 0) {
+ pr_err("Unable to register omapdrm device\n");
+ return r;
+ }
+
return 0;
}
diff --git a/arch/arm/mach-omap2/display.h b/arch/arm/mach-omap2/display.h
index b871b017b352..e4e8d39c0218 100644
--- a/arch/arm/mach-omap2/display.h
+++ b/arch/arm/mach-omap2/display.h
@@ -26,4 +26,5 @@ struct omap_dss_dispc_dev_attr {
bool has_framedonetv_irq;
};
+int omap_init_drm(void);
#endif
diff --git a/arch/arm/mach-omap2/drm.c b/arch/arm/mach-omap2/drm.c
index e6c38cd98930..facd7406a03d 100644
--- a/arch/arm/mach-omap2/drm.c
+++ b/arch/arm/mach-omap2/drm.c
@@ -26,8 +26,9 @@
#include <linux/platform_data/omap_drm.h>
#include "soc.h"
+#include "display.h"
-#if defined(CONFIG_DRM_OMAP) || (CONFIG_DRM_OMAP_MODULE)
+#if defined(CONFIG_DRM_OMAP) || defined(CONFIG_DRM_OMAP_MODULE)
static struct omap_drm_platform_data platform_data;
@@ -40,14 +41,13 @@ static struct platform_device omap_drm_device = {
.id = 0,
};
-static int __init omap_init_drm(void)
+int __init omap_init_drm(void)
{
platform_data.omaprev = GET_OMAP_TYPE;
return platform_device_register(&omap_drm_device);
}
-
-omap_arch_initcall(omap_init_drm);
-
+#else
+int __init omap_init_drm(void) { return 0; }
#endif