overlay: Fix display of rc6 states

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

diff --git a/overlay/overlay.c b/overlay/overlay.c
index 9016f20..3390f65 100644 (file)
--- a/overlay/overlay.c
+++ b/overlay/overlay.c
@@ -481,24 +481,25 @@ static void show_gpu_freq(struct overlay_context *ctx, struct overlay_gpu_freq *
                cairo_move_to(ctx->cr, 12, y);
                cairo_show_text(ctx->cr, buf);
                if (gf->rc6.rc6_combined && !is_power_of_two(gf->rc6.enabled)) {
+                       char *txt;
                        len = 0;
-                       sprintf(buf, " (");
+                       txt = buf + sprintf(buf, " (");
                        if (gf->rc6.enabled & 1) {
                                if (len)
-                                       len += sprintf(buf + 3 + len, ", ");
-                               len += sprintf(buf + 3 + len, "rc6=%d%%", gf->rc6.rc6);
+                                       len += sprintf(txt + len, ", ");
+                               len += sprintf(txt + len, "rc6=%d%%", gf->rc6.rc6);
                        }
                        if (gf->rc6.enabled & 2) {
                                if (len)
-                                       len += sprintf(buf + 3 + len, ", ");
-                               len += sprintf(buf + 3 + len, "rc6p=%d%%", gf->rc6.rc6p);
+                                       len += sprintf(txt + len, ", ");
+                               len += sprintf(txt + len, "rc6p=%d%%", gf->rc6.rc6p);
                        }
                        if (gf->rc6.enabled & 4) {
                                if (len)
-                                       len += sprintf(buf + 3 + len, ", ");
-                               len += sprintf(buf + 3 + len, "rc6pp=%d%%", gf->rc6.rc6pp);
+                                       len += sprintf(txt + len, ", ");
+                               len += sprintf(txt + len, "rc6pp=%d%%", gf->rc6.rc6pp);
                        }
-                       sprintf(buf + 3 + len, ")");
+                       sprintf(txt + len, ")");
                        cairo_show_text(ctx->cr, buf);
                }
                y += 14;