[PATCH 1/3] drm/omap: add support for ARCH_MULTIPLATFORM

[Rob Clark <rob.clark@linaro.org>]

From: Rob Clark <rob@ti.com>

Remove usage of plat/cpu.h and get information from platform data
instead.  This enables omapdrm to be built with ARCH_MULTIPLATFORM.

Signed-off-by: Rob Clark <rob@ti.com>
---
 arch/arm/mach-omap2/drm.c                |    7 +++++++
 drivers/staging/omapdrm/Kconfig          |    2 +-
 drivers/staging/omapdrm/omap_dmm_tiler.h |    1 -
 drivers/staging/omapdrm/omap_drv.c       |    6 +++++-
 drivers/staging/omapdrm/omap_drv.h       |    2 ++
 include/linux/platform_data/omap_drm.h   |    1 +
 6 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/arch/arm/mach-omap2/drm.c b/arch/arm/mach-omap2/drm.c
index 72e0f01b..49a7ffb 100644
--- a/arch/arm/mach-omap2/drm.c
+++ b/arch/arm/mach-omap2/drm.c
@@ -23,15 +23,20 @@
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/dma-mapping.h>
+#include <linux/platform_data/omap_drm.h>
 
 #include <plat/omap_device.h>
 #include <plat/omap_hwmod.h>
+#include <plat/cpu.h>
 
 #if defined(CONFIG_DRM_OMAP) || (CONFIG_DRM_OMAP_MODULE)
 
+static struct omap_drm_platform_data platform_data;
+
 static struct platform_device omap_drm_device = {
 	.dev = {
 		.coherent_dma_mask = DMA_BIT_MASK(32),
+		.platform_data = &platform_data,
 	},
 	.name = "omapdrm",
 	.id = 0,
@@ -52,6 +57,8 @@ static int __init omap_init_drm(void)
 			oh->name);
 	}
 
+	platform_data.omaprev = GET_OMAP_REVISION();
+
 	return platform_device_register(&omap_drm_device);
 
 }
diff --git a/drivers/staging/omapdrm/Kconfig b/drivers/staging/omapdrm/Kconfig
index 81a7cba..b724a41 100644
--- a/drivers/staging/omapdrm/Kconfig
+++ b/drivers/staging/omapdrm/Kconfig
@@ -2,7 +2,7 @@
 config DRM_OMAP
 	tristate "OMAP DRM"
 	depends on DRM && !CONFIG_FB_OMAP2
-	depends on ARCH_OMAP2PLUS
+	depends on ARCH_OMAP2PLUS || ARCH_MULTIPLATFORM
 	select DRM_KMS_HELPER
 	select OMAP2_DSS
 	select FB_SYS_FILLRECT
diff --git a/drivers/staging/omapdrm/omap_dmm_tiler.h b/drivers/staging/omapdrm/omap_dmm_tiler.h
index c0271a2..4fdd61e 100644
--- a/drivers/staging/omapdrm/omap_dmm_tiler.h
+++ b/drivers/staging/omapdrm/omap_dmm_tiler.h
@@ -16,7 +16,6 @@
 #ifndef OMAP_DMM_TILER_H
 #define OMAP_DMM_TILER_H
 
-#include <plat/cpu.h>
 #include "omap_drv.h"
 #include "tcm.h"
 
diff --git a/drivers/staging/omapdrm/omap_drv.c b/drivers/staging/omapdrm/omap_drv.c
index c27d091..4f5b4c7 100644
--- a/drivers/staging/omapdrm/omap_drv.c
+++ b/drivers/staging/omapdrm/omap_drv.c
@@ -278,13 +278,14 @@ static void omap_modeset_free(struct drm_device *dev)
 static int ioctl_get_param(struct drm_device *dev, void *data,
 		struct drm_file *file_priv)
 {
+	struct omap_drm_private *priv = dev->dev_private;
 	struct drm_omap_param *args = data;
 
 	DBG("%p: param=%llu", dev, args->param);
 
 	switch (args->param) {
 	case OMAP_PARAM_CHIPSET_ID:
-		args->value = GET_OMAP_TYPE;
+		args->value = priv->omaprev;
 		break;
 	default:
 		DBG("unknown parameter %lld", args->param);
@@ -416,6 +417,7 @@ struct drm_ioctl_desc ioctls[DRM_COMMAND_END - DRM_COMMAND_BASE] = {
  */
 static int dev_load(struct drm_device *dev, unsigned long flags)
 {
+	struct omap_drm_platform_data *pdata = dev->dev->platform_data;
 	struct omap_drm_private *priv;
 	int ret;
 
@@ -427,6 +429,8 @@ static int dev_load(struct drm_device *dev, unsigned long flags)
 		return -ENOMEM;
 	}
 
+	priv->omaprev = pdata->omaprev;
+
 	dev->dev_private = priv;
 
 	priv->wq = alloc_ordered_workqueue("omapdrm", 0);
diff --git a/drivers/staging/omapdrm/omap_drv.h b/drivers/staging/omapdrm/omap_drv.h
index 834b4f1..b2f1751 100644
--- a/drivers/staging/omapdrm/omap_drv.h
+++ b/drivers/staging/omapdrm/omap_drv.h
@@ -89,6 +89,8 @@ int omap_irq_wait(struct drm_device *dev, struct omap_irq_wait *wait,
 		unsigned long timeout);
 
 struct omap_drm_private {
+	uint32_t omaprev;
+
 	unsigned int num_crtcs;
 	struct drm_crtc *crtcs[8];
 
diff --git a/include/linux/platform_data/omap_drm.h b/include/linux/platform_data/omap_drm.h
index 3da73bdc..f4e4a237 100644
--- a/include/linux/platform_data/omap_drm.h
+++ b/include/linux/platform_data/omap_drm.h
@@ -46,6 +46,7 @@ struct omap_kms_platform_data {
 };
 
 struct omap_drm_platform_data {
+	uint32_t omaprev;
 	struct omap_kms_platform_data *kms_pdata;
 };
 
-- 
1.7.9.5