drm/exynos: remove unused vaddr member

This patch removes vaddr member from exynos_drm_overlay structure
and also relevant codes for code cleanup.

Signed-off-by: YoungJun Cho <yj44.cho@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
index 4b0c16b..99bfc38 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
@@ -39,7 +39,6 @@
 	unsigned int		fb_height;
 	unsigned int		bpp;
 	dma_addr_t		dma_addr;
-	void __iomem		*vaddr;
 	unsigned int		buf_offsize;
 	unsigned int		line_size;	/* bytes */
 	bool			enabled;
@@ -294,7 +293,6 @@
 	win_data->fb_width = overlay->fb_width;
 	win_data->fb_height = overlay->fb_height;
 	win_data->dma_addr = overlay->dma_addr[0] + offset;
-	win_data->vaddr = overlay->vaddr[0] + offset;
 	win_data->bpp = overlay->bpp;
 	win_data->buf_offsize = (overlay->fb_width - overlay->crtc_width) *
 				(overlay->bpp >> 3);
@@ -309,9 +307,7 @@
 			win_data->offset_x, win_data->offset_y);
 	DRM_DEBUG_KMS("ovl_width = %d, ovl_height = %d\n",
 			win_data->ovl_width, win_data->ovl_height);
-	DRM_DEBUG_KMS("paddr = 0x%lx, vaddr = 0x%lx\n",
-			(unsigned long)win_data->dma_addr,
-			(unsigned long)win_data->vaddr);
+	DRM_DEBUG_KMS("paddr = 0x%lx\n", (unsigned long)win_data->dma_addr);
 	DRM_DEBUG_KMS("fb_width = %d, crtc_width = %d\n",
 			overlay->fb_width, overlay->crtc_width);
 }