lima: move shift_w/h/max into conditional update

Signed-off-by: Qiang Yu <yuq825@gmail.com>

src/gallium/drivers/lima/lima_state.c

@@ -61,16 +61,16 @@ lima_set_framebuffer_state(struct pipe_context *pctx,
    fb->width = framebuffer->width;
    fb->height = framebuffer->height;
 
-   fb->shift_h = 0;
-   fb->shift_w = 0;
-   fb->shift_max = 0;
-
    int width = align(framebuffer->width, 16) >> 4;
    int height = align(framebuffer->height, 16) >> 4;
    if (fb->tiled_w != width || fb->tiled_h != height) {
       fb->tiled_w = width;
       fb->tiled_h = height;
 
+      fb->shift_h = 0;
+      fb->shift_w = 0;
+      fb->shift_max = 0;
+
       int limit = ctx->plb_max_blk;
       while ((width * height) > limit) {
          if (width >= height) {