[PATCH 14/14] drm/kmb: Enable support for fbcon (framebuffer console)

[Anitha Chrisanthus]

From: Edmund Dea <edmund.j.dea at intel.com>

Enable support for fbcon (framebuffer console).
The user can initialize fbcon by loading kmb-drm with the parameter
console=1.

Signed-off-by: Edmund Dea <edmund.j.dea at intel.com>
Signed-off-by: Anitha Chrisanthus <anitha.chrisanthus at intel.com>
---
 drivers/gpu/drm/kmb/kmb_drv.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/kmb/kmb_drv.c b/drivers/gpu/drm/kmb/kmb_drv.c
index d0de1db03493..d39d004f513a 100644
--- a/drivers/gpu/drm/kmb/kmb_drv.c
+++ b/drivers/gpu/drm/kmb/kmb_drv.c
@@ -5,6 +5,7 @@
 
 #include <linux/clk.h>
 #include <linux/module.h>
+#include <linux/moduleparam.h>
 #include <linux/of_graph.h>
 #include <linux/of_platform.h>
 #include <linux/of_reserved_mem.h>
@@ -15,6 +16,7 @@
 
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_drv.h>
+#include <drm/drm_fb_helper.h>
 #include <drm/drm_gem_cma_helper.h>
 #include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_irq.h>
@@ -25,7 +27,13 @@
 #include "kmb_dsi.h"
 #include "kmb_regs.h"
 
-static int kmb_display_clk_enable(struct kmb_drm_private *kmb)
+/* Module Parameters */
+static bool console;
+module_param(console, bool, 0400);
+MODULE_PARM_DESC(console,
+		 "Enable framebuffer console support (0=disable [default], 1=on)");
+
+int kmb_display_clk_enable(struct kmb_drm_private *kmb)
 {
 	int ret = 0;
 
@@ -546,6 +554,9 @@ static int kmb_probe(struct platform_device *pdev)
 	if (ret)
 		goto err_register;
 
+	if (console)
+		drm_fbdev_generic_setup(&kmb->drm, 32);
+
 	return 0;
 
  err_register:
-- 
2.25.1