staging: drm/omap: add support for ARCH_MULTIPLATFORM

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

6 files changed, 16 insertions, 3 deletions

diff --git a/arch/arm/mach-omap2/drm.c b/arch/arm/mach-omap2/drm.c
index 72e0f01b715c..49a7ffb716a5 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 81a7cba4a0c5..b724a4131435 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 c0271a2ac877..4fdd61e54bd2 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 09653b88e0ec..6ae2f763b27a 100644
--- a/drivers/staging/omapdrm/omap_drv.c
+++ b/drivers/staging/omapdrm/omap_drv.c
@@ -417,13 +417,14 @@ 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);
@@ -555,6 +556,7 @@ 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;
 
@@ -566,6 +568,8 @@ 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 9dc72d143ff3..8f7c447930fa 100644
--- a/drivers/staging/omapdrm/omap_drv.h
+++ b/drivers/staging/omapdrm/omap_drv.h
@@ -40,6 +40,8 @@
 #define MAX_MAPPERS 2
 
 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 3da73bdc2031..f4e4a237ebd2 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;
 };