drivers/gpu/drm/i915/intel_pm.c:5500:6: warning: symbol 'dg2_async_flip_optimization' was not declared. Should it be static? Reported-by: kernel test robot <lkp(a)intel.com&gt; Signed-off-by: kernel test robot <lkp(a)intel.com&gt; --- intel_pm.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 658a5dbb8fa4f..1d9880b9aa7dd 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -5497,9 +5497,9 @@ static int skl_wm_max_lines(struct drm_i915_private *dev_priv) return 31; } -bool dg2_async_flip_optimization(struct drm_i915_private *i915, - const struct intel_crtc_state *crtc_state, - const struct intel_plane *plane) +static bool dg2_async_flip_optimization(struct drm_i915_private *i915, + const struct intel_crtc_state *crtc_state, + const struct intel_plane *plane) { return DISPLAY_VER(i915) >= 13 && crtc_state->uapi.async_flip &&