[PATCH] drm/i915: fix compiler warnings in intel_audio.c

From: Geliang Tang
Date: Wed Sep 30 2015 - 10:25:57 EST

Fix the following warnings:

CC drivers/gpu/drm/i915/intel_audio.o
drivers/gpu/drm/i915/intel_audio.c: In function âhsw_audio_codec_enableâ:
drivers/gpu/drm/i915/intel_audio.c:332:39: warning: passing argument 2 of âaudio_rate_need_progâ discards âconstâ qualifier from pointer target type [-Wdiscarded-qualifiers]
if (audio_rate_need_prog(intel_crtc, adjusted_mode)) {
drivers/gpu/drm/i915/intel_audio.c:147:13: note: expected âstruct drm_display_mode *â but argument is of type âconst struct drm_display_mode *â
static bool audio_rate_need_prog(struct intel_crtc *crtc,

Signed-off-by: Geliang Tang <geliangtang@xxxxxxx>
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 baadd90..72d696b 100644
--- a/drivers/gpu/drm/i915/intel_audio.c
+++ b/drivers/gpu/drm/i915/intel_audio.c
@@ -145,7 +145,7 @@ 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)) &&

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