Reviewed-by: Libin Yang <libin.yang@xxxxxxxxx> Regards, Libin > -----Original Message----- > From: Intel-gfx [mailto:intel-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx] On Behalf Of > Jani Nikula > Sent: Monday, October 10, 2016 11:04 PM > To: intel-gfx@xxxxxxxxxxxxxxxxxxxxx > Cc: Nikula, Jani <jani.nikula@xxxxxxxxx>; libin.yang@xxxxxxxxxxxxxxx; > Pandiyan, Dhinakaran <dhinakaran.pandiyan@xxxxxxxxx> > Subject: [PATCH RESEND 4/9] drm/i915/audio: split dp and hdmi > audio config update > > The code for dp and hdmi are already different, and they're about to diverge > even more. Split them for clarity in future work. No functional changes. > > Cc: Libin Yang <libin.yang@xxxxxxxxxxxxxxx> > Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx> > --- > drivers/gpu/drm/i915/intel_audio.c | 55 +++++++++++++++++++++++---------- > ----- > 1 file changed, 34 insertions(+), 21 deletions(-) > > diff --git a/drivers/gpu/drm/i915/intel_audio.c > b/drivers/gpu/drm/i915/intel_audio.c > index 4d62b3e8ac19..db7fd6d8333f 100644 > --- a/drivers/gpu/drm/i915/intel_audio.c > +++ b/drivers/gpu/drm/i915/intel_audio.c > @@ -148,18 +148,6 @@ static uint32_t audio_config_setup_n_reg(int n, > uint32_t val) > return tmp; > } > > -/* check whether N/CTS/M need be set manually */ -static bool > audio_rate_need_prog(struct intel_crtc *crtc, > - const struct drm_display_mode *mode) > -{ > - if (((mode->clock == TMDS_297M) || > - (mode->clock == TMDS_296M)) && > - intel_crtc_has_type(crtc->config, INTEL_OUTPUT_HDMI)) > - return true; > - else > - return false; > -} > - > static bool intel_eld_uptodate(struct drm_connector *connector, > i915_reg_t reg_eldv, uint32_t bits_eldv, > i915_reg_t reg_elda, uint32_t bits_elda, @@ - > 245,9 +233,26 @@ static void g4x_audio_codec_enable(struct > drm_connector *connector, > I915_WRITE(G4X_AUD_CNTL_ST, tmp); > } > > -static void hsw_audio_config_update(struct intel_crtc *intel_crtc, > - enum port port, > - const struct drm_display_mode > *adjusted_mode) > +static void > +hsw_dp_audio_config_update(struct intel_crtc *intel_crtc, enum port port, > + const struct drm_display_mode *adjusted_mode) { > + struct drm_i915_private *dev_priv = to_i915(intel_crtc->base.dev); > + enum pipe pipe = intel_crtc->pipe; > + u32 tmp; > + > + tmp = I915_READ(HSW_AUD_CFG(pipe)); > + tmp &= ~AUD_CONFIG_N_VALUE_INDEX; > + tmp &= ~AUD_CONFIG_PIXEL_CLOCK_HDMI_MASK; > + tmp &= ~AUD_CONFIG_N_PROG_ENABLE; > + tmp |= AUD_CONFIG_N_VALUE_INDEX; > + > + I915_WRITE(HSW_AUD_CFG(pipe), tmp); > +} > + > +static void > +hsw_hdmi_audio_config_update(struct intel_crtc *intel_crtc, enum port > port, > + const struct drm_display_mode *adjusted_mode) > { > struct drm_i915_private *dev_priv = to_i915(intel_crtc->base.dev); > struct i915_audio_component *acomp = dev_priv- > >audio_component; @@ -259,13 +264,11 @@ static void > hsw_audio_config_update(struct intel_crtc *intel_crtc, > tmp = I915_READ(HSW_AUD_CFG(pipe)); > tmp &= ~AUD_CONFIG_N_VALUE_INDEX; > tmp &= ~AUD_CONFIG_PIXEL_CLOCK_HDMI_MASK; > - if (intel_crtc_has_dp_encoder(intel_crtc->config)) > - tmp |= AUD_CONFIG_N_VALUE_INDEX; > - else > - tmp |= audio_config_hdmi_pixel_clock(adjusted_mode); > - > tmp &= ~AUD_CONFIG_N_PROG_ENABLE; > - if (audio_rate_need_prog(intel_crtc, adjusted_mode)) { > + tmp |= audio_config_hdmi_pixel_clock(adjusted_mode); > + > + if (adjusted_mode->clock == TMDS_296M || > + adjusted_mode->clock == TMDS_297M) { > n = audio_config_get_n(adjusted_mode, rate); > if (n != 0) > tmp = audio_config_setup_n_reg(n, tmp); @@ -276,6 > +279,16 @@ static void hsw_audio_config_update(struct intel_crtc > *intel_crtc, > I915_WRITE(HSW_AUD_CFG(pipe), tmp); > } > > +static void > +hsw_audio_config_update(struct intel_crtc *intel_crtc, enum port port, > + const struct drm_display_mode *adjusted_mode) { > + if (intel_crtc_has_dp_encoder(intel_crtc->config)) > + hsw_dp_audio_config_update(intel_crtc, port, > adjusted_mode); > + else > + hsw_hdmi_audio_config_update(intel_crtc, port, > adjusted_mode); } > + > static void hsw_audio_codec_disable(struct intel_encoder *encoder) { > struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); > -- > 2.1.4 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/intel-gfx _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
