[PATCH 1/2] drm/i915: Use port clock to set correct N value

[Jani Nikula]

Please send these to intel-gfx, *not* trybot.

BR,
Jani.

On Wed, 26 Jun 2019, Aditya Swarup <aditya.swarup at intel.com> wrote:
> Use port_clock to check the clock values in n/cts lookup table instead
> of crtc_clock. As port_clock is already adjusted based on color mode set
> (8 bit or deep color), this will help in checking clock values for deep
> color modes from n/cts lookup table.
>
> Signed-off-by: Aditya Swarup <aditya.swarup at intel.com>
> Cc: Clint Taylor <Clinton.A.Taylor at intel.com>
> Cc: Jani Nikula <jani.nikula at intel.com>
> Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
> ---
>  drivers/gpu/drm/i915/display/intel_audio.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_audio.c b/drivers/gpu/drm/i915/display/intel_audio.c
> index 840daff12246..156d524c29d9 100644
> --- a/drivers/gpu/drm/i915/display/intel_audio.c
> +++ b/drivers/gpu/drm/i915/display/intel_audio.c
> @@ -212,13 +212,11 @@ static u32 audio_config_hdmi_pixel_clock(const struct intel_crtc_state *crtc_sta
>  static int audio_config_hdmi_get_n(const struct intel_crtc_state *crtc_state,
>  				   int rate)
>  {
> -	const struct drm_display_mode *adjusted_mode =
> -		&crtc_state->base.adjusted_mode;
>  	int i;
>  
>  	for (i = 0; i < ARRAY_SIZE(hdmi_aud_ncts); i++) {
>  		if (rate == hdmi_aud_ncts[i].sample_rate &&
> -		    adjusted_mode->crtc_clock == hdmi_aud_ncts[i].clock) {
> +		    crtc_state->port_clock == hdmi_aud_ncts[i].clock) {
>  			return hdmi_aud_ncts[i].n;
>  		}
>  	}

-- 
Jani Nikula, Intel Open Source Graphics Center