drm/rockchip: fix compile warning when build as modules

rockchip_drm_fb.c:In function 'rockchip_drm_fb_destroy':
rockchip_drm_fb.c:51:21: warning: unused variable 'dev' [-Wunused-variable]

Change-Id: I4b9f976c71b310c411a4d1fb9990743d7109b45f
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>

diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c
index afe6f6ccffd444d5b41b124a1c4deb7c64046212..c440bb062d12700c255034904905c45bbfe17c74 100644 (file)
--- a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c
@@ -48,7 +48,6 @@ dma_addr_t rockchip_fb_get_dma_addr(struct drm_framebuffer *fb,
 static void rockchip_drm_fb_destroy(struct drm_framebuffer *fb)
 {
        struct rockchip_drm_fb *rockchip_fb = to_rockchip_fb(fb);
-       struct drm_device *dev = fb->dev;
        struct drm_gem_object *obj;
        int i;
 
@@ -63,7 +62,7 @@ static void rockchip_drm_fb_destroy(struct drm_framebuffer *fb)
                void *start = phys_to_virt(rockchip_fb->start);
                void *end = phys_to_virt(rockchip_fb->size);
 
-               dma_unmap_sg(dev->dev, rockchip_fb->sgt->sgl,
+               dma_unmap_sg(fb->dev->dev, rockchip_fb->sgt->sgl,
                             rockchip_fb->sgt->nents, DMA_TO_DEVICE);
                sg_free_table(rockchip_fb->sgt);
                memblock_free(rockchip_fb->start, rockchip_fb->size);