The lack of const leads to a compile warning after merging i915
upstream tree:
   drivers/gpu/drm/i915/intel_audio.c:147:13: note: expected 'struct 
drm_display_mode *' but argument is of type 'const struct drm_display_mode *'

Reported-by: kbuild test robot <[email protected]>
Signed-off-by: Takashi Iwai <[email protected]>
---
 drivers/gpu/drm/i915/intel_audio.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_audio.c 
b/drivers/gpu/drm/i915/intel_audio.c
index 30f6859dcb36..dffd0b4c5f17 100644
--- a/drivers/gpu/drm/i915/intel_audio.c
+++ b/drivers/gpu/drm/i915/intel_audio.c
@@ -144,7 +144,7 @@ static uint32_t audio_config_setup_n_reg(int n, uint32_t 
val)
 
 /* check whether N/CTS/M need be set manually */
 static bool audio_rate_need_prog(struct intel_crtc *crtc,
-                                       struct drm_display_mode *mode)
+                                const struct drm_display_mode *mode)
 {
        if (((mode->clock == TMDS_297M) ||
                 (mode->clock == TMDS_296M)) &&
-- 
2.5.3

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