We get 1 warning about global functions without a declaration in the nouveau nouveau_display driver when building with W=1: drivers/gpu/drm/nouveau/nouveau_display.c:96:1: warning: no previous prototype for 'nouveau_display_scanoutpos_head' [-Wmissing-prototypes] In fact, this function is only used in the file in which it is declared and don't need a declaration, but can be made static. so this patch marks it 'static'. Signed-off-by: Baoyou Xie <baoyou.xie@xxxxxxxxxx> --- drivers/gpu/drm/nouveau/nouveau_display.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c index afbf557..b60ee21 100644 --- a/drivers/gpu/drm/nouveau/nouveau_display.c +++ b/drivers/gpu/drm/nouveau/nouveau_display.c @@ -92,7 +92,7 @@ calc(int blanks, int blanke, int total, int line) return line; } -int +static int nouveau_display_scanoutpos_head(struct drm_crtc *crtc, int *vpos, int *hpos, ktime_t *stime, ktime_t *etime) { -- 2.7.4 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel