[Intel-gfx] [PATCH 2/2] drm/i915: add dp mst judgement in hsw_audio_codec_enable

Daniel Vetter daniel at ffwll.ch
Thu Jan 7 08:59:23 PST 2016


On Thu, Jan 07, 2016 at 06:51:08PM +0200, Ville Syrjälä wrote:
> On Wed, Jan 06, 2016 at 10:26:42AM +0800, libin.yang at linux.intel.com wrote:
> > From: Libin Yang <libin.yang at linux.intel.com>
> > 
> > hsw platforms supports DP MST while ilk doesn't.
> > This patch fixes the bug.
> > 
> > Signed-off-by: Libin Yang <libin.yang at linux.intel.com>
> > ---
> >  drivers/gpu/drm/i915/intel_audio.c | 11 ++++-------
> >  1 file changed, 4 insertions(+), 7 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/i915/intel_audio.c b/drivers/gpu/drm/i915/intel_audio.c
> > index 431487a0..d8d42d3 100644
> > --- a/drivers/gpu/drm/i915/intel_audio.c
> > +++ b/drivers/gpu/drm/i915/intel_audio.c
> > @@ -272,8 +272,7 @@ static void hsw_audio_codec_disable(struct intel_encoder *encoder)
> >  	tmp |= AUD_CONFIG_N_PROG_ENABLE;
> >  	tmp &= ~AUD_CONFIG_UPPER_N_MASK;
> >  	tmp &= ~AUD_CONFIG_LOWER_N_MASK;
> > -	if (intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DISPLAYPORT) ||
> > -	    intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DP_MST))
> > +	if (intel_crtc->config->has_dp_encoder)
> >  		tmp |= AUD_CONFIG_N_VALUE_INDEX;
> >  	I915_WRITE(HSW_AUD_CFG(pipe), tmp);
> >  
> > @@ -339,7 +338,7 @@ static void hsw_audio_codec_enable(struct drm_connector *connector,
> >  	tmp = I915_READ(HSW_AUD_CFG(pipe));
> >  	tmp &= ~AUD_CONFIG_N_VALUE_INDEX;
> >  	tmp &= ~AUD_CONFIG_PIXEL_CLOCK_HDMI_MASK;
> > -	if (intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DISPLAYPORT))
> > +	if (intel_crtc->config->has_dp_encoder)
> >  		tmp |= AUD_CONFIG_N_VALUE_INDEX;
> >  	else
> >  		tmp |= audio_config_hdmi_pixel_clock(adjusted_mode);
> > @@ -486,8 +485,7 @@ static void ilk_audio_codec_enable(struct drm_connector *connector,
> >  	tmp &= ~AUD_CONFIG_N_VALUE_INDEX;
> >  	tmp &= ~AUD_CONFIG_N_PROG_ENABLE;
> >  	tmp &= ~AUD_CONFIG_PIXEL_CLOCK_HDMI_MASK;
> > -	if (intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DISPLAYPORT) ||
> > -	    intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DP_MST))
> > +	if (intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DISPLAYPORT))
> 
> Could have used has_dp_encoder everywhere, but whatever

I think this would be good chance to do for consistency, before merging.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch


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