drm/exynos: remove exynos_drm_fb_set_buf_cnt()

The exynos_drm_fb_set_buf_cnt() is used to set buffer count only in
exynos_drm_fbdev_update(). This patch sets directly buffer count in
exynos_drm_framebuffer_init() without using exynos_drm_fb_set_buf_cnt(),
so there is no any reason to keep exynos_drm_fb_set_buf_cnt().

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>

drivers/gpu/drm/exynos/exynos_drm_fb.c

@@ -122,16 +122,6 @@ static struct drm_framebuffer_funcs exynos_drm_fb_funcs = {
 	.dirty		= exynos_drm_fb_dirty,
 };
 
-void exynos_drm_fb_set_buf_cnt(struct drm_framebuffer *fb,
-						unsigned int cnt)
-{
-	struct exynos_drm_fb *exynos_fb;
-
-	exynos_fb = to_exynos_fb(fb);
-
-	exynos_fb->buf_cnt = cnt;
-}
-
 unsigned int exynos_drm_fb_get_buf_cnt(struct drm_framebuffer *fb)
 {
 	struct exynos_drm_fb *exynos_fb;
@@ -163,6 +153,9 @@ exynos_drm_framebuffer_init(struct drm_device *dev,
 	drm_helper_mode_fill_fb_struct(&exynos_fb->fb, mode_cmd);
 	exynos_fb->exynos_gem_obj[0] = exynos_gem_obj;
 
+	/* buffer count to framebuffer always is 1 at booting time. */
+	exynos_fb->buf_cnt = 1;
+
 	ret = drm_framebuffer_init(dev, &exynos_fb->fb, &exynos_drm_fb_funcs);
 	if (ret) {
 		kfree(exynos_fb);

drivers/gpu/drm/exynos/exynos_drm_fb.h

@@ -25,10 +25,6 @@ struct exynos_drm_gem_obj *exynos_drm_fb_gem_obj(struct drm_framebuffer *fb,
 
 void exynos_drm_mode_config_init(struct drm_device *dev);
 
-/* set a buffer count to drm framebuffer. */
-void exynos_drm_fb_set_buf_cnt(struct drm_framebuffer *fb,
-						unsigned int cnt);
-
 /* get a buffer count to drm framebuffer. */
 unsigned int exynos_drm_fb_get_buf_cnt(struct drm_framebuffer *fb);
 

drivers/gpu/drm/exynos/exynos_drm_fbdev.c

@@ -103,9 +103,6 @@ static int exynos_drm_fbdev_update(struct drm_fb_helper *helper,
 		return -EIO;
 	}
 
-	/* buffer count to framebuffer always is 1 at booting time. */
-	exynos_drm_fb_set_buf_cnt(fb, 1);
-
 	offset = fbi->var.xoffset * (fb->bits_per_pixel >> 3);
 	offset += fbi->var.yoffset * fb->pitches[0];