drm/omapdrm: Remove fb from struct omap_fbdev

Fbdev's struct fb_helper stores a pointer to the framebuffer. Remove
struct omap_fbdev.fb, which contains the same value. No functional
changes.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230403104035.15288-3-tzimmermann@suse.de

diff --git a/drivers/gpu/drm/omapdrm/omap_fbdev.c b/drivers/gpu/drm/omapdrm/omap_fbdev.c
index a6c8542..b3d57fe 100644 (file)
--- a/drivers/gpu/drm/omapdrm/omap_fbdev.c
+++ b/drivers/gpu/drm/omapdrm/omap_fbdev.c
@@ -25,7 +25,6 @@ module_param_named(ywrap, ywrap_enabled, bool, 0644);
 
 struct omap_fbdev {
        struct drm_fb_helper base;
-       struct drm_framebuffer *fb;
        struct drm_gem_object *bo;
        bool ywrap_enabled;
 
@@ -170,7 +169,6 @@ static int omap_fbdev_create(struct drm_fb_helper *helper,
 
        DBG("fbi=%p, dev=%p", fbi, dev);
 
-       fbdev->fb = fb;
        helper->fb = fb;
 
        fbi->fbops = &omap_fb_ops;
@@ -193,7 +191,7 @@ static int omap_fbdev_create(struct drm_fb_helper *helper,
 
 
        DBG("par=%p, %dx%d", fbi->par, fbi->var.xres, fbi->var.yres);
-       DBG("allocated %dx%d fb", fbdev->fb->width, fbdev->fb->height);
+       DBG("allocated %dx%d fb", fb->width, fb->height);
 
        return 0;
 
@@ -266,6 +264,7 @@ void omap_fbdev_fini(struct drm_device *dev)
 {
        struct omap_drm_private *priv = dev->dev_private;
        struct drm_fb_helper *helper = priv->fbdev;
+       struct drm_framebuffer *fb;
        struct omap_fbdev *fbdev;
 
        DBG();
@@ -273,6 +272,8 @@ void omap_fbdev_fini(struct drm_device *dev)
        if (!helper)
                return;
 
+       fb = helper->fb;
+
        drm_fb_helper_unregister_info(helper);
 
        drm_fb_helper_fini(helper);
@@ -284,8 +285,8 @@ void omap_fbdev_fini(struct drm_device *dev)
                omap_gem_unpin(fbdev->bo);
 
        /* this will free the backing object */
-       if (fbdev->fb)
-               drm_framebuffer_remove(fbdev->fb);
+       if (fb)
+               drm_framebuffer_remove(fb);
 
        drm_fb_helper_unprepare(helper);
        kfree(fbdev);