Use the newly created wrapper drm_fb_helper functions instead of calling
core fbdev functions directly. They also simplify the fb_info creation.

COMPILE TESTED ONLY.

Cc: David Airlie <airlied at linux.ie>
Cc: Ben Skeggs <bskeggs at redhat.com>
Cc: Alexandre Courbot <acourbot at nvidia.com>

Signed-off-by: Archit Taneja <architt at codeaurora.org>
---
 drivers/gpu/drm/nouveau/nouveau_drm.c   |  3 ++-
 drivers/gpu/drm/nouveau/nouveau_fbcon.c | 38 +++++++++++----------------------
 2 files changed, 14 insertions(+), 27 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c 
b/drivers/gpu/drm/nouveau/nouveau_drm.c
index 649024d..01d3fb2 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
@@ -317,7 +317,8 @@ static int nouveau_drm_probe(struct pci_dev *pdev,
        boot = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
 #endif
        if (nouveau_modeset != 2)
-               remove_conflicting_framebuffers(aper, "nouveaufb", boot);
+               drm_fb_helper_remove_conflicting_framebuffers(aper, "nouveaufb",
+                       boot);
        kfree(aper);

        ret = nvkm_device_create(pdev, NVKM_BUS_PCI,
diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c 
b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
index 6751553..443ea87 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c
+++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
@@ -84,7 +84,7 @@ nouveau_fbcon_fillrect(struct fb_info *info, const struct 
fb_fillrect *rect)

        if (ret != -ENODEV)
                nouveau_fbcon_gpu_lockup(info);
-       cfb_fillrect(info, rect);
+       drm_fb_helper_cfb_fillrect(info, rect);
 }

 static void
@@ -116,7 +116,7 @@ nouveau_fbcon_copyarea(struct fb_info *info, const struct 
fb_copyarea *image)

        if (ret != -ENODEV)
                nouveau_fbcon_gpu_lockup(info);
-       cfb_copyarea(info, image);
+       drm_fb_helper_cfb_copyarea(info, image);
 }

 static void
@@ -148,7 +148,7 @@ nouveau_fbcon_imageblit(struct fb_info *info, const struct 
fb_image *image)

        if (ret != -ENODEV)
                nouveau_fbcon_gpu_lockup(info);
-       cfb_imageblit(info, image);
+       drm_fb_helper_cfb_imageblit(info, image);
 }

 static int
@@ -197,9 +197,9 @@ static struct fb_ops nouveau_fbcon_sw_ops = {
        .owner = THIS_MODULE,
        .fb_check_var = drm_fb_helper_check_var,
        .fb_set_par = drm_fb_helper_set_par,
-       .fb_fillrect = cfb_fillrect,
-       .fb_copyarea = cfb_copyarea,
-       .fb_imageblit = cfb_imageblit,
+       .fb_fillrect = drm_fb_helper_cfb_fillrect,
+       .fb_copyarea = drm_fb_helper_cfb_copyarea,
+       .fb_imageblit = drm_fb_helper_cfb_imageblit,
        .fb_pan_display = drm_fb_helper_pan_display,
        .fb_blank = drm_fb_helper_blank,
        .fb_setcmap = drm_fb_helper_setcmap,
@@ -365,20 +365,13 @@ nouveau_fbcon_create(struct drm_fb_helper *helper,

        mutex_lock(&dev->struct_mutex);

-       info = framebuffer_alloc(0, &pdev->dev);
-       if (!info) {
-               ret = -ENOMEM;
+       info = drm_fb_helper_alloc_fbi(helper);
+       if (IS_ERR(info)) {
+               ret = PTR_ERR(info);
                goto out_unlock;
        }
        info->skip_vt_switch = 1;

-       ret = fb_alloc_cmap(&info->cmap, 256, 0);
-       if (ret) {
-               ret = -ENOMEM;
-               framebuffer_release(info);
-               goto out_unlock;
-       }
-
        info->par = fbcon;

        nouveau_framebuffer_init(dev, &fbcon->nouveau_fb, &mode_cmd, nvbo);
@@ -388,7 +381,6 @@ nouveau_fbcon_create(struct drm_fb_helper *helper,

        /* setup helper */
        fbcon->helper.fb = fb;
-       fbcon->helper.fbdev = info;

        strcpy(info->fix.id, "nouveaufb");
        if (!chan)
@@ -450,15 +442,9 @@ static int
 nouveau_fbcon_destroy(struct drm_device *dev, struct nouveau_fbdev *fbcon)
 {
        struct nouveau_framebuffer *nouveau_fb = &fbcon->nouveau_fb;
-       struct fb_info *info;

-       if (fbcon->helper.fbdev) {
-               info = fbcon->helper.fbdev;
-               unregister_framebuffer(info);
-               if (info->cmap.len)
-                       fb_dealloc_cmap(&info->cmap);
-               framebuffer_release(info);
-       }
+       drm_fb_helper_unregister_fbi(&fbcon->helper);
+       drm_fb_helper_release_fbi(&fbcon->helper);

        if (nouveau_fb->nvbo) {
                nouveau_bo_unmap(nouveau_fb->nvbo);
@@ -496,7 +482,7 @@ nouveau_fbcon_set_suspend(struct drm_device *dev, int state)
                console_lock();
                if (state == FBINFO_STATE_RUNNING)
                        nouveau_fbcon_accel_restore(dev);
-               fb_set_suspend(drm->fbcon->helper.fbdev, state);
+               drm_fb_helper_set_suspend(&drm->fbcon->helper, state);
                if (state != FBINFO_STATE_RUNNING)
                        nouveau_fbcon_accel_save_disable(dev);
                console_unlock();
-- 
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