drm/exynos: remove exynos_drm_fb_get_buf_cnt()

We can get buffer count of framebuffer using drm_format_num_planes(), so
keeping exynos_drm_fb_get_buf_cnt() is unnecessary.

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>

3 files changed, 1 insertions, 13 deletions

diff --git a/drivers/gpu/drm/exynos/exynos_drm_fb.c b/drivers/gpu/drm/exynos/exynos_drm_fb.c
index 849925ca0cdd..5087f60985f5 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fb.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fb.c
@@ -121,15 +121,6 @@ static struct drm_framebuffer_funcs exynos_drm_fb_funcs = {
         .dirty          = exynos_drm_fb_dirty,
 };
 
-unsigned int exynos_drm_fb_get_buf_cnt(struct drm_framebuffer *fb)
-{
-        struct exynos_drm_fb *exynos_fb;
-
-        exynos_fb = to_exynos_fb(fb);
-
-        return exynos_fb->buf_cnt;
-}
-
 struct drm_framebuffer *
 exynos_drm_framebuffer_init(struct drm_device *dev,
                             struct drm_mode_fb_cmd2 *mode_cmd,
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fb.h b/drivers/gpu/drm/exynos/exynos_drm_fb.h
index 8900f6baf315..85e4445b920e 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fb.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_fb.h
@@ -28,7 +28,4 @@ struct exynos_drm_gem_obj *exynos_drm_fb_gem_obj(struct drm_framebuffer *fb,
 
 void exynos_drm_mode_config_init(struct drm_device *dev);
 
-/* get a buffer count to drm framebuffer. */
-unsigned int exynos_drm_fb_get_buf_cnt(struct drm_framebuffer *fb);
-
 #endif
diff --git a/drivers/gpu/drm/exynos/exynos_drm_plane.c b/drivers/gpu/drm/exynos/exynos_drm_plane.c
index 865d6eb0c845..714822441467 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_plane.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_plane.c
@@ -126,7 +126,7 @@ static int exynos_plane_atomic_check(struct drm_plane *plane,
         if (!state->fb)
                 return 0;
 
-        nr = exynos_drm_fb_get_buf_cnt(state->fb);
+        nr = drm_format_num_planes(state->fb->pixel_format);
         for (i = 0; i < nr; i++) {
                 struct exynos_drm_gem_obj *obj =
                                         exynos_drm_fb_gem_obj(state->fb, i);