since we can get the BO from drm_fb rather than hibmc_fb,do not need
the hibmc_fb.so we delete the local variable hibmc_fb.

Signed-off-by: Tian Tao <tiant...@hisilicon.com>
Signed-off-by: Gong junjie <gongjunj...@huawei.com>
---
 drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c 
b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c
index 6bf4334..12b38ac 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c
+++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c
@@ -105,14 +105,12 @@ static void hibmc_plane_atomic_update(struct drm_plane 
*plane,
        s64 gpu_addr = 0;
        unsigned int line_l;
        struct hibmc_drm_private *priv = plane->dev->dev_private;
-       struct hibmc_framebuffer *hibmc_fb;
        struct drm_gem_vram_object *gbo;
 
        if (!state->fb)
                return;
 
-       hibmc_fb = to_hibmc_framebuffer(state->fb);
-       gbo = drm_gem_vram_of_gem(hibmc_fb->obj);
+       gbo = drm_gem_vram_of_gem(state->fb->obj[0]);
 
        gpu_addr = drm_gem_vram_offset(gbo);
        if (WARN_ON_ONCE(gpu_addr < 0))
-- 
2.7.4

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