st/xorg: Fix thinko.

diff --git a/src/gallium/state_trackers/xorg/xorg_driver.c b/src/gallium/state_trackers/xorg/xorg_driver.c
index d5dd0d761d0109c081df4a6f1586dd321351f992..a59e8dcad5184b5a0ff35227400bc4f079d02edf 100644 (file)
--- a/src/gallium/state_trackers/xorg/xorg_driver.c
+++ b/src/gallium/state_trackers/xorg/xorg_driver.c
@@ -678,6 +678,7 @@ drv_screen_init(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
     if (ms->screen) {
        int max;
        max = ms->screen->get_param(ms->screen, PIPE_CAP_MAX_TEXTURE_2D_LEVELS);
+       max = 1 << (max - 1);
        max_width = max < max_width ? max : max_width;
        max_height = max < max_height ? max : max_height;
     }