The fb helper lost its support for reallocating an fb completely, so
no need to return special success values any more.

Signed-off-by: Daniel Vetter <daniel.vet...@ffwll.ch>
---
 drivers/gpu/drm/ast/ast_fb.c              |   21 +++-----------------
 drivers/gpu/drm/cirrus/cirrus_fbdev.c     |   22 +++------------------
 drivers/gpu/drm/drm_fb_cma_helper.c       |   17 +---------------
 drivers/gpu/drm/exynos/exynos_drm_fbdev.c |   30 +----------------------------
 drivers/gpu/drm/gma500/framebuffer.c      |   10 +---------
 drivers/gpu/drm/i915/intel_fb.c           |   21 +++-----------------
 drivers/gpu/drm/mgag200/mgag200_fb.c      |   22 +++------------------
 drivers/gpu/drm/nouveau/nouveau_fbcon.c   |   22 +++------------------
 drivers/gpu/drm/radeon/radeon_fb.c        |   21 +++-----------------
 drivers/gpu/drm/udl/udl_fb.c              |   22 +++------------------
 drivers/staging/omapdrm/omap_fbdev.c      |   17 +---------------
 11 files changed, 25 insertions(+), 200 deletions(-)

diff --git a/drivers/gpu/drm/ast/ast_fb.c b/drivers/gpu/drm/ast/ast_fb.c
index 9bfd5ab..3a5a5e0 100644
--- a/drivers/gpu/drm/ast/ast_fb.c
+++ b/drivers/gpu/drm/ast/ast_fb.c
@@ -146,9 +146,10 @@ static int astfb_create_object(struct ast_fbdev *afbdev,
        return ret;
 }
 
-static int astfb_create(struct ast_fbdev *afbdev,
+static int astfb_create(struct drm_fb_helper *helper,
                        struct drm_fb_helper_surface_size *sizes)
 {
+       struct ast_fbdev *afbdev = (struct ast_fbdev *)helper;
        struct drm_device *dev = afbdev->helper.dev;
        struct drm_mode_fb_cmd2 mode_cmd;
        struct drm_framebuffer *fb;
@@ -249,26 +250,10 @@ static void ast_fb_gamma_get(struct drm_crtc *crtc, u16 
*red, u16 *green,
        *blue = ast_crtc->lut_b[regno] << 8;
 }
 
-static int ast_find_or_create_single(struct drm_fb_helper *helper,
-                                         struct drm_fb_helper_surface_size 
*sizes)
-{
-       struct ast_fbdev *afbdev = (struct ast_fbdev *)helper;
-       int new_fb = 0;
-       int ret;
-
-       if (!helper->fb) {
-               ret = astfb_create(afbdev, sizes);
-               if (ret)
-                       return ret;
-               new_fb = 1;
-       }
-       return new_fb;
-}
-
 static struct drm_fb_helper_funcs ast_fb_helper_funcs = {
        .gamma_set = ast_fb_gamma_set,
        .gamma_get = ast_fb_gamma_get,
-       .fb_probe = ast_find_or_create_single,
+       .fb_probe = astfb_create,
 };
 
 static void ast_fbdev_destroy(struct drm_device *dev,
diff --git a/drivers/gpu/drm/cirrus/cirrus_fbdev.c 
b/drivers/gpu/drm/cirrus/cirrus_fbdev.c
index b869b8b..778a90b 100644
--- a/drivers/gpu/drm/cirrus/cirrus_fbdev.c
+++ b/drivers/gpu/drm/cirrus/cirrus_fbdev.c
@@ -121,9 +121,10 @@ static int cirrusfb_create_object(struct cirrus_fbdev 
*afbdev,
        return ret;
 }
 
-static int cirrusfb_create(struct cirrus_fbdev *gfbdev,
+static int cirrusfb_create(struct drm_fb_helper *helper,
                           struct drm_fb_helper_surface_size *sizes)
 {
+       struct cirrus_fbdev *gfbdev = (struct cirrus_fbdev *)helper;
        struct drm_device *dev = gfbdev->helper.dev;
        struct cirrus_device *cdev = gfbdev->helper.dev->dev_private;
        struct fb_info *info;
@@ -220,23 +221,6 @@ out_iounmap:
        return ret;
 }
 
-static int cirrus_fb_find_or_create_single(struct drm_fb_helper *helper,
-                                          struct drm_fb_helper_surface_size
-                                          *sizes)
-{
-       struct cirrus_fbdev *gfbdev = (struct cirrus_fbdev *)helper;
-       int new_fb = 0;
-       int ret;
-
-       if (!helper->fb) {
-               ret = cirrusfb_create(gfbdev, sizes);
-               if (ret)
-                       return ret;
-               new_fb = 1;
-       }
-       return new_fb;
-}
-
 static int cirrus_fbdev_destroy(struct drm_device *dev,
                                struct cirrus_fbdev *gfbdev)
 {
@@ -268,7 +252,7 @@ static int cirrus_fbdev_destroy(struct drm_device *dev,
 static struct drm_fb_helper_funcs cirrus_fb_helper_funcs = {
        .gamma_set = cirrus_crtc_fb_gamma_set,
        .gamma_get = cirrus_crtc_fb_gamma_get,
-       .fb_probe = cirrus_fb_find_or_create_single,
+       .fb_probe = cirrusfb_create,
 };
 
 int cirrus_fbdev_init(struct cirrus_device *cdev)
diff --git a/drivers/gpu/drm/drm_fb_cma_helper.c 
b/drivers/gpu/drm/drm_fb_cma_helper.c
index fcf9fa3..69814d2 100644
--- a/drivers/gpu/drm/drm_fb_cma_helper.c
+++ b/drivers/gpu/drm/drm_fb_cma_helper.c
@@ -275,23 +275,8 @@ err_drm_gem_cma_free_object:
        return ret;
 }
 
-static int drm_fbdev_cma_probe(struct drm_fb_helper *helper,
-       struct drm_fb_helper_surface_size *sizes)
-{
-       int ret = 0;
-
-       if (!helper->fb) {
-               ret = drm_fbdev_cma_create(helper, sizes);
-               if (ret < 0)
-                       return ret;
-               ret = 1;
-       }
-
-       return ret;
-}
-
 static struct drm_fb_helper_funcs drm_fb_cma_helper_funcs = {
-       .fb_probe = drm_fbdev_cma_probe,
+       .fb_probe = drm_fbdev_cma_create,
 };
 
 /**
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c 
b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
index 77d78cd..ca70b91 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
@@ -226,36 +226,8 @@ out:
        return ret;
 }
 
-static int exynos_drm_fbdev_probe(struct drm_fb_helper *helper,
-                                  struct drm_fb_helper_surface_size *sizes)
-{
-       int ret = 0;
-
-       DRM_DEBUG_KMS("%s\n", __FILE__);
-
-       /*
-        * with !helper->fb, it means that this funcion is called first time
-        * and after that, the helper->fb would be used as clone mode.
-        */
-       if (!helper->fb) {
-               ret = exynos_drm_fbdev_create(helper, sizes);
-               if (ret < 0) {
-                       DRM_ERROR("failed to create fbdev.\n");
-                       return ret;
-               }
-
-               /*
-                * fb_helper expects a value more than 1 if succeed
-                * because register_framebuffer() should be called.
-                */
-               ret = 1;
-       }
-
-       return ret;
-}
-
 static struct drm_fb_helper_funcs exynos_drm_fb_helper_funcs = {
-       .fb_probe =     exynos_drm_fbdev_probe,
+       .fb_probe =     exynos_drm_fbdev_create,
 };
 
 int exynos_drm_fbdev_init(struct drm_device *dev)
diff --git a/drivers/gpu/drm/gma500/framebuffer.c 
b/drivers/gpu/drm/gma500/framebuffer.c
index 7288b6d..f7a458c 100644
--- a/drivers/gpu/drm/gma500/framebuffer.c
+++ b/drivers/gpu/drm/gma500/framebuffer.c
@@ -545,9 +545,7 @@ static int psbfb_probe(struct drm_fb_helper *helper,
        struct psb_fbdev *psb_fbdev = (struct psb_fbdev *)helper;
        struct drm_device *dev = psb_fbdev->psb_fb_helper.dev;
        struct drm_psb_private *dev_priv = dev->dev_private;
-       int new_fb = 0;
        int bytespp;
-       int ret;
 
        bytespp = sizes->surface_bpp / 8;
        if (bytespp == 3)       /* no 24bit packed */
@@ -562,13 +560,7 @@ static int psbfb_probe(struct drm_fb_helper *helper,
                 sizes->surface_depth = 16;
         }
 
-       if (!helper->fb) {
-               ret = psbfb_create(psb_fbdev, sizes);
-               if (ret)
-                       return ret;
-               new_fb = 1;
-       }
-       return new_fb;
+       return psbfb_create(psb_fbdev, sizes);
 }
 
 static struct drm_fb_helper_funcs psb_fb_helper_funcs = {
diff --git a/drivers/gpu/drm/i915/intel_fb.c b/drivers/gpu/drm/i915/intel_fb.c
index 302bc63..3a0d16e 100644
--- a/drivers/gpu/drm/i915/intel_fb.c
+++ b/drivers/gpu/drm/i915/intel_fb.c
@@ -57,9 +57,10 @@ static struct fb_ops intelfb_ops = {
        .fb_debug_leave = drm_fb_helper_debug_leave,
 };
 
-static int intelfb_create(struct intel_fbdev *ifbdev,
+static int intelfb_create(struct drm_fb_helper *helper,
                          struct drm_fb_helper_surface_size *sizes)
 {
+       struct intel_fbdev *ifbdev = (struct intel_fbdev *)helper;
        struct drm_device *dev = ifbdev->helper.dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
        struct fb_info *info;
@@ -181,26 +182,10 @@ out:
        return ret;
 }
 
-static int intel_fb_find_or_create_single(struct drm_fb_helper *helper,
-                                         struct drm_fb_helper_surface_size 
*sizes)
-{
-       struct intel_fbdev *ifbdev = (struct intel_fbdev *)helper;
-       int new_fb = 0;
-       int ret;
-
-       if (!helper->fb) {
-               ret = intelfb_create(ifbdev, sizes);
-               if (ret)
-                       return ret;
-               new_fb = 1;
-       }
-       return new_fb;
-}
-
 static struct drm_fb_helper_funcs intel_fb_helper_funcs = {
        .gamma_set = intel_crtc_fb_gamma_set,
        .gamma_get = intel_crtc_fb_gamma_get,
-       .fb_probe = intel_fb_find_or_create_single,
+       .fb_probe = intelfb_create,
 };
 
 static void intel_fbdev_destroy(struct drm_device *dev,
diff --git a/drivers/gpu/drm/mgag200/mgag200_fb.c 
b/drivers/gpu/drm/mgag200/mgag200_fb.c
index 674f8fb..247bbcb 100644
--- a/drivers/gpu/drm/mgag200/mgag200_fb.c
+++ b/drivers/gpu/drm/mgag200/mgag200_fb.c
@@ -121,9 +121,10 @@ static int mgag200fb_create_object(struct mga_fbdev 
*afbdev,
        return ret;
 }
 
-static int mgag200fb_create(struct mga_fbdev *mfbdev,
+static int mgag200fb_create(struct drm_fb_helper *helper,
                           struct drm_fb_helper_surface_size *sizes)
 {
+       struct mga_fbdev *mfbdev = (struct mga_fbdev *)helper;
        struct drm_device *dev = mfbdev->helper.dev;
        struct drm_mode_fb_cmd2 mode_cmd;
        struct mga_device *mdev = dev->dev_private;
@@ -210,23 +211,6 @@ out:
        return ret;
 }
 
-static int mga_fb_find_or_create_single(struct drm_fb_helper *helper,
-                                          struct drm_fb_helper_surface_size
-                                          *sizes)
-{
-       struct mga_fbdev *mfbdev = (struct mga_fbdev *)helper;
-       int new_fb = 0;
-       int ret;
-
-       if (!helper->fb) {
-               ret = mgag200fb_create(mfbdev, sizes);
-               if (ret)
-                       return ret;
-               new_fb = 1;
-       }
-       return new_fb;
-}
-
 static int mga_fbdev_destroy(struct drm_device *dev,
                                struct mga_fbdev *mfbdev)
 {
@@ -257,7 +241,7 @@ static int mga_fbdev_destroy(struct drm_device *dev,
 static struct drm_fb_helper_funcs mga_fb_helper_funcs = {
        .gamma_set = mga_crtc_fb_gamma_set,
        .gamma_get = mga_crtc_fb_gamma_get,
-       .fb_probe = mga_fb_find_or_create_single,
+       .fb_probe = mgag200fb_create,
 };
 
 int mgag200_fbdev_init(struct mga_device *mdev)
diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c 
b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
index 7b2d231..d983371 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c
+++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
@@ -251,9 +251,10 @@ nouveau_fbcon_zfill(struct drm_device *dev, struct 
nouveau_fbdev *fbcon)
 }
 
 static int
-nouveau_fbcon_create(struct nouveau_fbdev *fbcon,
+nouveau_fbcon_create(struct drm_fb_helper *helper,
                     struct drm_fb_helper_surface_size *sizes)
 {
+       struct nouveau_fbdev *fbcon = (struct nouveau_fbdev *)helper;
        struct drm_device *dev = fbcon->dev;
        struct nouveau_drm *drm = nouveau_drm(dev);
        struct nouveau_device *device = nv_device(drm->device);
@@ -388,23 +389,6 @@ out:
        return ret;
 }
 
-static int
-nouveau_fbcon_find_or_create_single(struct drm_fb_helper *helper,
-                                   struct drm_fb_helper_surface_size *sizes)
-{
-       struct nouveau_fbdev *fbcon = (struct nouveau_fbdev *)helper;
-       int new_fb = 0;
-       int ret;
-
-       if (!helper->fb) {
-               ret = nouveau_fbcon_create(fbcon, sizes);
-               if (ret)
-                       return ret;
-               new_fb = 1;
-       }
-       return new_fb;
-}
-
 void
 nouveau_fbcon_output_poll_changed(struct drm_device *dev)
 {
@@ -450,7 +434,7 @@ void nouveau_fbcon_gpu_lockup(struct fb_info *info)
 static struct drm_fb_helper_funcs nouveau_fbcon_helper_funcs = {
        .gamma_set = nouveau_fbcon_gamma_set,
        .gamma_get = nouveau_fbcon_gamma_get,
-       .fb_probe = nouveau_fbcon_find_or_create_single,
+       .fb_probe = nouveau_fbcon_create,
 };
 
 
diff --git a/drivers/gpu/drm/radeon/radeon_fb.c 
b/drivers/gpu/drm/radeon/radeon_fb.c
index a44b386..b6c73b6 100644
--- a/drivers/gpu/drm/radeon/radeon_fb.c
+++ b/drivers/gpu/drm/radeon/radeon_fb.c
@@ -187,9 +187,10 @@ out_unref:
        return ret;
 }
 
-static int radeonfb_create(struct radeon_fbdev *rfbdev,
+static int radeonfb_create(struct drm_fb_helper *helper,
                           struct drm_fb_helper_surface_size *sizes)
 {
+       struct radeon_fbdev *rfbdev = (struct radeon_fbdev *)helper;
        struct radeon_device *rdev = rfbdev->rdev;
        struct fb_info *info;
        struct drm_framebuffer *fb = NULL;
@@ -300,22 +301,6 @@ out_unref:
        return ret;
 }
 
-static int radeon_fb_find_or_create_single(struct drm_fb_helper *helper,
-                                          struct drm_fb_helper_surface_size 
*sizes)
-{
-       struct radeon_fbdev *rfbdev = (struct radeon_fbdev *)helper;
-       int new_fb = 0;
-       int ret;
-
-       if (!helper->fb) {
-               ret = radeonfb_create(rfbdev, sizes);
-               if (ret)
-                       return ret;
-               new_fb = 1;
-       }
-       return new_fb;
-}
-
 void radeon_fb_output_poll_changed(struct radeon_device *rdev)
 {
        drm_fb_helper_hotplug_event(&rdev->mode_info.rfbdev->helper);
@@ -349,7 +334,7 @@ static int radeon_fbdev_destroy(struct drm_device *dev, 
struct radeon_fbdev *rfb
 static struct drm_fb_helper_funcs radeon_fb_helper_funcs = {
        .gamma_set = radeon_crtc_fb_gamma_set,
        .gamma_get = radeon_crtc_fb_gamma_get,
-       .fb_probe = radeon_fb_find_or_create_single,
+       .fb_probe = radeonfb_create,
 };
 
 int radeon_fbdev_init(struct radeon_device *rdev)
diff --git a/drivers/gpu/drm/udl/udl_fb.c b/drivers/gpu/drm/udl/udl_fb.c
index 7d40cb7..1b51579 100644
--- a/drivers/gpu/drm/udl/udl_fb.c
+++ b/drivers/gpu/drm/udl/udl_fb.c
@@ -440,9 +440,10 @@ udl_framebuffer_init(struct drm_device *dev,
 }
 
 
-static int udlfb_create(struct udl_fbdev *ufbdev,
+static int udlfb_create(struct drm_fb_helper *helper,
                        struct drm_fb_helper_surface_size *sizes)
 {
+       struct udl_fbdev *ufbdev = (struct udl_fbdev *)helper;
        struct drm_device *dev = ufbdev->helper.dev;
        struct fb_info *info;
        struct device *device = &dev->usbdev->dev;
@@ -520,27 +521,10 @@ out:
        return ret;
 }
 
-static int udl_fb_find_or_create_single(struct drm_fb_helper *helper,
-                                       struct drm_fb_helper_surface_size 
*sizes)
-{
-       struct udl_fbdev *ufbdev = (struct udl_fbdev *)helper;
-       int new_fb = 0;
-       int ret;
-
-       if (!helper->fb) {
-               ret = udlfb_create(ufbdev, sizes);
-               if (ret)
-                       return ret;
-
-               new_fb = 1;
-       }
-       return new_fb;
-}
-
 static struct drm_fb_helper_funcs udl_fb_helper_funcs = {
        .gamma_set = udl_crtc_fb_gamma_set,
        .gamma_get = udl_crtc_fb_gamma_get,
-       .fb_probe = udl_fb_find_or_create_single,
+       .fb_probe = udlfb_create,
 };
 
 static void udl_fbdev_destroy(struct drm_device *dev,
diff --git a/drivers/staging/omapdrm/omap_fbdev.c 
b/drivers/staging/omapdrm/omap_fbdev.c
index 6ccaf54..11f7dcb 100644
--- a/drivers/staging/omapdrm/omap_fbdev.c
+++ b/drivers/staging/omapdrm/omap_fbdev.c
@@ -296,25 +296,10 @@ static void omap_crtc_fb_gamma_get(struct drm_crtc *crtc,
        DBG("fbdev: get gamma");
 }
 
-static int omap_fbdev_probe(struct drm_fb_helper *helper,
-               struct drm_fb_helper_surface_size *sizes)
-{
-       int new_fb = 0;
-       int ret;
-
-       if (!helper->fb) {
-               ret = omap_fbdev_create(helper, sizes);
-               if (ret)
-                       return ret;
-               new_fb = 1;
-       }
-       return new_fb;
-}
-
 static struct drm_fb_helper_funcs omap_fb_helper_funcs = {
        .gamma_set = omap_crtc_fb_gamma_set,
        .gamma_get = omap_crtc_fb_gamma_get,
-       .fb_probe = omap_fbdev_probe,
+       .fb_probe = omap_fbdev_create,
 };
 
 static struct drm_fb_helper *get_fb(struct fb_info *fbi)
-- 
1.7.10.4

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