[PATCH] drm/i915: Export intel_framebuffer_fini

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Rather than open-code the teardown of a framebuffer, export the routine
from intel_display.c. This then make intel_fbdev symmetric in its use of
the common intel_framebuffer routines to initialise and clean up the
struct intel_framebuffer. (And new features need only be added in one
location!)

Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/i915/intel_display.c | 10 +++++++---
 drivers/gpu/drm/i915/intel_drv.h     |  1 +
 drivers/gpu/drm/i915/intel_fb.c      | 15 +++++----------
 3 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 0584480..dc52fea 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -9438,13 +9438,17 @@ static void intel_setup_outputs(struct drm_device *dev)
 	drm_helper_move_panel_connectors_to_head(dev);
 }
 
+void intel_framebuffer_fini(struct intel_framebuffer *fb)
+{
+	drm_framebuffer_cleanup(&fb->base);
+	drm_gem_object_unreference_unlocked(&fb->obj->base);
+}
+
 static void intel_user_framebuffer_destroy(struct drm_framebuffer *fb)
 {
 	struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb);
 
-	drm_framebuffer_cleanup(fb);
-	drm_gem_object_unreference_unlocked(&intel_fb->obj->base);
-
+	intel_framebuffer_fini(intel_fb);
 	kfree(intel_fb);
 }
 
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index ed33976..54e389d 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -720,6 +720,7 @@ extern 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);
+extern void intel_framebuffer_fini(struct intel_framebuffer *fb);
 extern int intel_fbdev_init(struct drm_device *dev);
 extern void intel_fbdev_initial_config(struct drm_device *dev);
 extern void intel_fbdev_fini(struct drm_device *dev);
diff --git a/drivers/gpu/drm/i915/intel_fb.c b/drivers/gpu/drm/i915/intel_fb.c
index f3c97e0..bc21000 100644
--- a/drivers/gpu/drm/i915/intel_fb.c
+++ b/drivers/gpu/drm/i915/intel_fb.c
@@ -193,26 +193,21 @@ static struct drm_fb_helper_funcs intel_fb_helper_funcs = {
 static void intel_fbdev_destroy(struct drm_device *dev,
 				struct intel_fbdev *ifbdev)
 {
-	struct fb_info *info;
-	struct intel_framebuffer *ifb = &ifbdev->ifb;
-
 	if (ifbdev->helper.fbdev) {
-		info = ifbdev->helper.fbdev;
+		struct fb_info *info = ifbdev->helper.fbdev;
+
 		unregister_framebuffer(info);
 		iounmap(info->screen_base);
 		if (info->cmap.len)
 			fb_dealloc_cmap(&info->cmap);
+
 		framebuffer_release(info);
 	}
 
 	drm_fb_helper_fini(&ifbdev->helper);
 
-	drm_framebuffer_unregister_private(&ifb->base);
-	drm_framebuffer_cleanup(&ifb->base);
-	if (ifb->obj) {
-		drm_gem_object_unreference_unlocked(&ifb->obj->base);
-		ifb->obj = NULL;
-	}
+	drm_framebuffer_unregister_private(&ifbdev->ifb.base);
+	intel_framebuffer_fini(&ifbdev->ifb);
 }
 
 int intel_fbdev_init(struct drm_device *dev)
-- 
1.8.4.rc1

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