[PATCH] drm/hisilicon: get the BO from drm_fb rather than hibmc_fb

[Tian Tao]

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 <tiantao6@xxxxxxxxxxxxx>
Signed-off-by: Gong junjie <gongjunjie2@xxxxxxxxxx>
---
 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