1 files changed, 38 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/display.c b/arch/arm/mach-omap2/display.c
index 1011995f150a..28f508724a56 100644
--- a/arch/arm/mach-omap2/display.c
+++ b/arch/arm/mach-omap2/display.c
@@ -284,6 +284,35 @@ err:
         return ERR_PTR(r);
 }
 
+static enum omapdss_version __init omap_display_get_version(void)
+{
+        if (cpu_is_omap24xx())
+                return OMAPDSS_VER_OMAP24xx;
+        else if (cpu_is_omap3630())
+                return OMAPDSS_VER_OMAP3630;
+        else if (cpu_is_omap34xx()) {
+                if (soc_is_am35xx()) {
+                        return OMAPDSS_VER_AM35xx;
+                } else {
+                        if (omap_rev() < OMAP3430_REV_ES3_0)
+                                return OMAPDSS_VER_OMAP34xx_ES1;
+                        else
+                                return OMAPDSS_VER_OMAP34xx_ES3;
+                }
+        } else if (omap_rev() == OMAP4430_REV_ES1_0)
+                return OMAPDSS_VER_OMAP4430_ES1;
+        else if (omap_rev() == OMAP4430_REV_ES2_0 ||
+                        omap_rev() == OMAP4430_REV_ES2_1 ||
+                        omap_rev() == OMAP4430_REV_ES2_2)
+                return OMAPDSS_VER_OMAP4430_ES2;
+        else if (cpu_is_omap44xx())
+                return OMAPDSS_VER_OMAP4;
+        else if (soc_is_omap54xx())
+                return OMAPDSS_VER_OMAP5;
+        else
+                return OMAPDSS_VER_UNKNOWN;
+}
+
 int __init omap_display_init(struct omap_dss_board_info *board_data)
 {
         int r = 0;
@@ -291,9 +320,18 @@ int __init omap_display_init(struct omap_dss_board_info *board_data)
         int i, oh_count;
         const struct omap_dss_hwmod_data *curr_dss_hwmod;
         struct platform_device *dss_pdev;
+        enum omapdss_version ver;
 
         /* create omapdss device */
 
+        ver = omap_display_get_version();
+
+        if (ver == OMAPDSS_VER_UNKNOWN) {
+                pr_err("DSS not supported on this SoC\n");
+                return -ENODEV;
+        }
+
+        board_data->version = ver;
         board_data->dsi_enable_pads = omap_dsi_enable_pads;
         board_data->dsi_disable_pads = omap_dsi_disable_pads;
         board_data->get_context_loss_count = omap_pm_get_dev_context_loss_count;