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

From: Jani Nikula
Date: Wed Sep 30 2015 - 10:32:48 EST


On Wed, 30 Sep 2015, Geliang Tang <geliangtang@xxxxxxx> wrote:
> 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,
> ^

Already fixed by Takashi:

http://mid.gmane.org/1443599103-26317-1-git-send-email-tiwai@xxxxxxx

Thanks anyway,
Jani.


>
> 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)) &&
> --
> 2.5.0
>
>

--
Jani Nikula, Intel Open Source Technology Center
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