drm/bochs: drop unused gpu_addr arg from bochs_bo_pin()

It's always NULL, so just remove it.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20190111053752.4004-12-kraxel@redhat.com

drivers/gpu/drm/bochs/bochs.h

@@ -142,7 +142,7 @@ int bochs_dumb_create(struct drm_file *file, struct drm_device *dev,
 int bochs_dumb_mmap_offset(struct drm_file *file, struct drm_device *dev,
 			   uint32_t handle, uint64_t *offset);
 
-int bochs_bo_pin(struct bochs_bo *bo, u32 pl_flag, u64 *gpu_addr);
+int bochs_bo_pin(struct bochs_bo *bo, u32 pl_flag);
 int bochs_bo_unpin(struct bochs_bo *bo);
 
 /* bochs_kms.c */

drivers/gpu/drm/bochs/bochs_fbdev.c

@@ -81,7 +81,7 @@ static int bochsfb_create(struct drm_fb_helper *helper,
 	if (ret)
 		return ret;
 
-	ret = bochs_bo_pin(bo, TTM_PL_FLAG_VRAM, NULL);
+	ret = bochs_bo_pin(bo, TTM_PL_FLAG_VRAM);
 	if (ret) {
 		DRM_ERROR("failed to pin fbcon\n");
 		ttm_bo_unreserve(&bo->bo);

drivers/gpu/drm/bochs/bochs_kms.c

@@ -101,7 +101,7 @@ static int bochs_plane_prepare_fb(struct drm_plane *plane,
 	ret = ttm_bo_reserve(&bo->bo, true, false, NULL);
 	if (ret)
 		return ret;
-	ret = bochs_bo_pin(bo, TTM_PL_FLAG_VRAM, NULL);
+	ret = bochs_bo_pin(bo, TTM_PL_FLAG_VRAM);
 	ttm_bo_unreserve(&bo->bo);
 	return ret;
 }

drivers/gpu/drm/bochs/bochs_mm.c

@@ -210,20 +210,13 @@ static void bochs_ttm_placement(struct bochs_bo *bo, int domain)
 	bo->placement.num_busy_placement = c;
 }
 
-static inline u64 bochs_bo_gpu_offset(struct bochs_bo *bo)
-{
-	return bo->bo.offset;
-}
-
-int bochs_bo_pin(struct bochs_bo *bo, u32 pl_flag, u64 *gpu_addr)
+int bochs_bo_pin(struct bochs_bo *bo, u32 pl_flag)
 {
 	struct ttm_operation_ctx ctx = { false, false };
 	int i, ret;
 
 	if (bo->pin_count) {
 		bo->pin_count++;
-		if (gpu_addr)
-			*gpu_addr = bochs_bo_gpu_offset(bo);
 		return 0;
 	}
 
@@ -235,8 +228,6 @@ int bochs_bo_pin(struct bochs_bo *bo, u32 pl_flag, u64 *gpu_addr)
 		return ret;
 
 	bo->pin_count = 1;
-	if (gpu_addr)
-		*gpu_addr = bochs_bo_gpu_offset(bo);
 	return 0;
 }