In Jesse's patch to switch the fbdev framebuffer from an embedded
struct to a pointer the kfree in case of an error was missed. Fix this
up by using our own internal fb allocation helper directly instead of
reinventing that wheel.

We need a to_intel_framebuffer cast unfortunately since all the other
callers of _create still look better whith using a drm_framebuffer as
return pointer.

Cc: Jesse Barnes <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
---
 drivers/gpu/drm/i915/intel_display.c |  7 ++++++-
 drivers/gpu/drm/i915/intel_drv.h     |  8 ++++----
 drivers/gpu/drm/i915/intel_fbdev.c   | 20 ++++++++------------
 3 files changed, 18 insertions(+), 17 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c 
b/drivers/gpu/drm/i915/intel_display.c
index ac0f6b5cfdfa..11c326c2c4b0 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -7690,7 +7690,12 @@ static struct drm_display_mode load_detect_mode = {
                 704, 832, 0, 480, 489, 491, 520, 0, DRM_MODE_FLAG_NHSYNC | 
DRM_MODE_FLAG_NVSYNC),
 };
 
-static struct drm_framebuffer *
+static int intel_framebuffer_init(struct drm_device *dev,
+                                 struct intel_framebuffer *ifb,
+                                 struct drm_mode_fb_cmd2 *mode_cmd,
+                                 struct drm_i915_gem_object *obj);
+
+struct drm_framebuffer *
 intel_framebuffer_create(struct drm_device *dev,
                         struct drm_mode_fb_cmd2 *mode_cmd,
                         struct drm_i915_gem_object *obj)
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 4386faf34a9b..a3978dd96ec2 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -681,10 +681,10 @@ int intel_pin_and_fence_fb_obj(struct drm_device *dev,
                               struct drm_i915_gem_object *obj,
                               struct intel_ring_buffer *pipelined);
 void intel_unpin_fb_obj(struct drm_i915_gem_object *obj);
-int intel_framebuffer_init(struct drm_device *dev,
-                          struct intel_framebuffer *ifb,
-                          struct drm_mode_fb_cmd2 *mode_cmd,
-                          struct drm_i915_gem_object *obj);
+struct drm_framebuffer *
+intel_framebuffer_create(struct drm_device *dev,
+                        struct drm_mode_fb_cmd2 *mode_cmd,
+                        struct drm_i915_gem_object *obj);
 void intel_framebuffer_fini(struct intel_framebuffer *fb);
 void intel_prepare_page_flip(struct drm_device *dev, int plane);
 void intel_finish_page_flip(struct drm_device *dev, int pipe);
diff --git a/drivers/gpu/drm/i915/intel_fbdev.c 
b/drivers/gpu/drm/i915/intel_fbdev.c
index e4f45293ccf5..ac6b50c41af1 100644
--- a/drivers/gpu/drm/i915/intel_fbdev.c
+++ b/drivers/gpu/drm/i915/intel_fbdev.c
@@ -62,20 +62,12 @@ static int intelfb_alloc(struct drm_fb_helper *helper,
 {
        struct intel_fbdev *ifbdev =
                container_of(helper, struct intel_fbdev, helper);
-       struct intel_framebuffer *fb;
+       struct drm_framebuffer *fb;
        struct drm_device *dev = helper->dev;
        struct drm_mode_fb_cmd2 mode_cmd = {};
        struct drm_i915_gem_object *obj;
        int size, ret;
 
-       fb = kzalloc(sizeof(*fb), GFP_KERNEL);
-       if (!fb) {
-               ret = -ENOMEM;
-               goto out;
-       }
-
-       ifbdev->fb = fb;
-
        /* we don't do packed 24bpp */
        if (sizes->surface_bpp == 24)
                sizes->surface_bpp = 32;
@@ -102,13 +94,17 @@ static int intelfb_alloc(struct drm_fb_helper *helper,
        /* Flush everything out, we'll be doing GTT only from now on */
        ret = intel_pin_and_fence_fb_obj(dev, obj, NULL);
        if (ret) {
-               DRM_ERROR("failed to pin fb: %d\n", ret);
+               DRM_ERROR("failed to pin obj: %d\n", ret);
                goto out_unref;
        }
 
-       ret = intel_framebuffer_init(dev, ifbdev->fb, &mode_cmd, obj);
-       if (ret)
+       fb = intel_framebuffer_create(dev, &mode_cmd, obj);
+       if (IS_ERR(fb)) {
+               ret = PTR_ERR(fb);
                goto out_unpin;
+       }
+
+       ifbdev->fb = to_intel_framebuffer(fb);
 
        return 0;
 
-- 
1.8.5.2

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