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ARM: OMAP2+: display: Create omapdrm device inside omap_display_init

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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>
This commit is contained in:
Archit Taneja 2013-09-16 12:48:29 +05:30 committed by Tony Lindgren
parent 7dfebabd48
commit 7a59743d0c
4 changed files with 14 additions and 10 deletions
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6
arch/arm/mach-omap2/Makefile
View file

@ -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

7
arch/arm/mach-omap2/display.c
View file

@ -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;
}

1
arch/arm/mach-omap2/display.h
View file

@ -26,4 +26,5 @@ struct omap_dss_dispc_dev_attr {
bool has_framedonetv_irq;
};
int omap_init_drm(void);
#endif

10
arch/arm/mach-omap2/drm.c
View file

@ -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