| Message ID | 20220902060342.151824-8-radhakrishna.sripada@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Initial Meteorlake Support | expand |
On Thu, Sep 01, 2022 at 11:03:38PM -0700, Radhakrishna Sripada wrote: > From: Imre Deak <imre.deak@intel.com> > > On MTL TypeC ports the AUX_CH_CTL and AUX_CH_DATA addresses have > changed wrt. previous platforms, adjust the code accordingly. > > Signed-off-by: Imre Deak <imre.deak@intel.com> > Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com> As noted on the previous patch, the _XELPDP_USBC1_AUX_CH_DATA* definitions aren't used until this patch so they should probably move into this one. Aside from that, Reviewed-by: Matt Roper <matthew.d.roper@intel.com> > --- > drivers/gpu/drm/i915/display/intel_dp_aux.c | 45 ++++++++++++++++++++- > drivers/gpu/drm/i915/i915_reg.h | 9 +++++ > 2 files changed, 53 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/i915/display/intel_dp_aux.c b/drivers/gpu/drm/i915/display/intel_dp_aux.c > index 98bd33645b43..48c375c65a41 100644 > --- a/drivers/gpu/drm/i915/display/intel_dp_aux.c > +++ b/drivers/gpu/drm/i915/display/intel_dp_aux.c > @@ -637,6 +637,46 @@ static i915_reg_t tgl_aux_data_reg(struct intel_dp *intel_dp, int index) > } > } > > +static i915_reg_t xelpdp_aux_ctl_reg(struct intel_dp *intel_dp) > +{ > + struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); > + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); > + enum aux_ch aux_ch = dig_port->aux_ch; > + > + switch (aux_ch) { > + case AUX_CH_A: > + case AUX_CH_B: > + case AUX_CH_USBC1: > + case AUX_CH_USBC2: > + case AUX_CH_USBC3: > + case AUX_CH_USBC4: > + return XELPDP_DP_AUX_CH_CTL(aux_ch); > + default: > + MISSING_CASE(aux_ch); > + return XELPDP_DP_AUX_CH_CTL(AUX_CH_A); > + } > +} > + > +static i915_reg_t xelpdp_aux_data_reg(struct intel_dp *intel_dp, int index) > +{ > + struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); > + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); > + enum aux_ch aux_ch = dig_port->aux_ch; > + > + switch (aux_ch) { > + case AUX_CH_A: > + case AUX_CH_B: > + case AUX_CH_USBC1: > + case AUX_CH_USBC2: > + case AUX_CH_USBC3: > + case AUX_CH_USBC4: > + return XELPDP_DP_AUX_CH_DATA(aux_ch, index); > + default: > + MISSING_CASE(aux_ch); > + return XELPDP_DP_AUX_CH_DATA(AUX_CH_A, index); > + } > +} > + > void intel_dp_aux_fini(struct intel_dp *intel_dp) > { > if (cpu_latency_qos_request_active(&intel_dp->pm_qos)) > @@ -652,7 +692,10 @@ void intel_dp_aux_init(struct intel_dp *intel_dp) > struct intel_encoder *encoder = &dig_port->base; > enum aux_ch aux_ch = dig_port->aux_ch; > > - if (DISPLAY_VER(dev_priv) >= 12) { > + if (DISPLAY_VER(dev_priv) >= 14) { > + intel_dp->aux_ch_ctl_reg = xelpdp_aux_ctl_reg; > + intel_dp->aux_ch_data_reg = xelpdp_aux_data_reg; > + } else if (DISPLAY_VER(dev_priv) >= 12) { > intel_dp->aux_ch_ctl_reg = tgl_aux_ctl_reg; > intel_dp->aux_ch_data_reg = tgl_aux_data_reg; > } else if (DISPLAY_VER(dev_priv) >= 9) { > diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h > index 99b2cd2abca4..4ec6a3dd1f2b 100644 > --- a/drivers/gpu/drm/i915/i915_reg.h > +++ b/drivers/gpu/drm/i915/i915_reg.h > @@ -3470,6 +3470,15 @@ > _XELPDP_USBC3_AUX_CH_CTL, \ > _XELPDP_USBC4_AUX_CH_CTL)) > > +#define XELPDP_DP_AUX_CH_DATA(aux_ch, i) _MMIO(_PICK(aux_ch, \ > + _DPA_AUX_CH_DATA1, \ > + _DPB_AUX_CH_DATA1, \ > + 0, /* port/aux_ch C is non-existent */ \ > + _XELPDP_USBC1_AUX_CH_DATA1, \ > + _XELPDP_USBC2_AUX_CH_DATA1, \ > + _XELPDP_USBC3_AUX_CH_DATA1, \ > + _XELPDP_USBC4_AUX_CH_DATA1) + (i) * 4) > + > #define DP_AUX_CH_CTL_SEND_BUSY (1 << 31) > #define DP_AUX_CH_CTL_DONE (1 << 30) > #define DP_AUX_CH_CTL_INTERRUPT (1 << 29) > -- > 2.34.1 >
diff --git a/drivers/gpu/drm/i915/display/intel_dp_aux.c b/drivers/gpu/drm/i915/display/intel_dp_aux.c index 98bd33645b43..48c375c65a41 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_aux.c +++ b/drivers/gpu/drm/i915/display/intel_dp_aux.c @@ -637,6 +637,46 @@ static i915_reg_t tgl_aux_data_reg(struct intel_dp *intel_dp, int index) } } +static i915_reg_t xelpdp_aux_ctl_reg(struct intel_dp *intel_dp) +{ + struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); + enum aux_ch aux_ch = dig_port->aux_ch; + + switch (aux_ch) { + case AUX_CH_A: + case AUX_CH_B: + case AUX_CH_USBC1: + case AUX_CH_USBC2: + case AUX_CH_USBC3: + case AUX_CH_USBC4: + return XELPDP_DP_AUX_CH_CTL(aux_ch); + default: + MISSING_CASE(aux_ch); + return XELPDP_DP_AUX_CH_CTL(AUX_CH_A); + } +} + +static i915_reg_t xelpdp_aux_data_reg(struct intel_dp *intel_dp, int index) +{ + struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); + enum aux_ch aux_ch = dig_port->aux_ch; + + switch (aux_ch) { + case AUX_CH_A: + case AUX_CH_B: + case AUX_CH_USBC1: + case AUX_CH_USBC2: + case AUX_CH_USBC3: + case AUX_CH_USBC4: + return XELPDP_DP_AUX_CH_DATA(aux_ch, index); + default: + MISSING_CASE(aux_ch); + return XELPDP_DP_AUX_CH_DATA(AUX_CH_A, index); + } +} + void intel_dp_aux_fini(struct intel_dp *intel_dp) { if (cpu_latency_qos_request_active(&intel_dp->pm_qos)) @@ -652,7 +692,10 @@ void intel_dp_aux_init(struct intel_dp *intel_dp) struct intel_encoder *encoder = &dig_port->base; enum aux_ch aux_ch = dig_port->aux_ch; - if (DISPLAY_VER(dev_priv) >= 12) { + if (DISPLAY_VER(dev_priv) >= 14) { + intel_dp->aux_ch_ctl_reg = xelpdp_aux_ctl_reg; + intel_dp->aux_ch_data_reg = xelpdp_aux_data_reg; + } else if (DISPLAY_VER(dev_priv) >= 12) { intel_dp->aux_ch_ctl_reg = tgl_aux_ctl_reg; intel_dp->aux_ch_data_reg = tgl_aux_data_reg; } else if (DISPLAY_VER(dev_priv) >= 9) { diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 99b2cd2abca4..4ec6a3dd1f2b 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -3470,6 +3470,15 @@ _XELPDP_USBC3_AUX_CH_CTL, \ _XELPDP_USBC4_AUX_CH_CTL)) +#define XELPDP_DP_AUX_CH_DATA(aux_ch, i) _MMIO(_PICK(aux_ch, \ + _DPA_AUX_CH_DATA1, \ + _DPB_AUX_CH_DATA1, \ + 0, /* port/aux_ch C is non-existent */ \ + _XELPDP_USBC1_AUX_CH_DATA1, \ + _XELPDP_USBC2_AUX_CH_DATA1, \ + _XELPDP_USBC3_AUX_CH_DATA1, \ + _XELPDP_USBC4_AUX_CH_DATA1) + (i) * 4) + #define DP_AUX_CH_CTL_SEND_BUSY (1 << 31) #define DP_AUX_CH_CTL_DONE (1 << 30) #define DP_AUX_CH_CTL_INTERRUPT (1 << 29)