On Wed, Sep 30, 2020 at 02:34:48AM +0300, Ville Syrjala wrote: > From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > > Get rid of mode crtc->config usage, and some ad-hoc intel_dp state > usage by plumbing the crtc state all the way down to the link training > code. > > Unfortunately we do have to keep some cached state in intel_dp so > that we can do the "does the link need retraining?" checks from > the short hpd handler. > > v2: Add intel_crtc_state forward declaration > v3: Don't kill the PHY test code totally since it's > now in the hotplug work where we can get at the states > > Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> Reviewed-by: Imre Deak <imre.deak@xxxxxxxxx> 4 nitpicks below. > --- > drivers/gpu/drm/i915/display/intel_ddi.c | 416 +++++++++--------- > drivers/gpu/drm/i915/display/intel_ddi.h | 6 +- > .../drm/i915/display/intel_display_types.h | 17 +- > drivers/gpu/drm/i915/display/intel_dp.c | 123 ++++-- > drivers/gpu/drm/i915/display/intel_dp.h | 10 +- > .../drm/i915/display/intel_dp_link_training.c | 102 +++-- > .../drm/i915/display/intel_dp_link_training.h | 8 +- > drivers/gpu/drm/i915/display/intel_dpio_phy.c | 23 +- > drivers/gpu/drm/i915/display/intel_dpio_phy.h | 2 + > drivers/gpu/drm/i915/display/intel_hdmi.c | 7 +- > 10 files changed, 388 insertions(+), 326 deletions(-) > > diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c > index 7032c367075a..cdf3e5540482 100644 > --- a/drivers/gpu/drm/i915/display/intel_ddi.c > +++ b/drivers/gpu/drm/i915/display/intel_ddi.c > @@ -1034,7 +1034,8 @@ cnl_get_buf_trans_edp(struct intel_encoder *encoder, int *n_entries) > } > > static const struct cnl_ddi_buf_trans * > -icl_get_combo_buf_trans_hdmi(struct intel_encoder *encoder, int type, int rate, > +icl_get_combo_buf_trans_hdmi(struct intel_encoder *encoder, > + const struct intel_crtc_state *crtc_state, > int *n_entries) > { > *n_entries = ARRAY_SIZE(icl_combo_phy_ddi_translations_hdmi); > @@ -1042,7 +1043,8 @@ icl_get_combo_buf_trans_hdmi(struct intel_encoder *encoder, int type, int rate, > } > > static const struct cnl_ddi_buf_trans * > -icl_get_combo_buf_trans_dp(struct intel_encoder *encoder, int type, int rate, > +icl_get_combo_buf_trans_dp(struct intel_encoder *encoder, > + const struct intel_crtc_state *crtc_state, > int *n_entries) > { > *n_entries = ARRAY_SIZE(icl_combo_phy_ddi_translations_dp_hbr2); > @@ -1050,12 +1052,13 @@ icl_get_combo_buf_trans_dp(struct intel_encoder *encoder, int type, int rate, > } > > static const struct cnl_ddi_buf_trans * > -icl_get_combo_buf_trans_edp(struct intel_encoder *encoder, int type, int rate, > +icl_get_combo_buf_trans_edp(struct intel_encoder *encoder, > + const struct intel_crtc_state *crtc_state, > int *n_entries) > { > struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); > > - if (rate > 540000) { > + if (crtc_state->port_clock > 540000) { > *n_entries = ARRAY_SIZE(icl_combo_phy_ddi_translations_edp_hbr3); > return icl_combo_phy_ddi_translations_edp_hbr3; > } else if (dev_priv->vbt.edp.low_vswing) { > @@ -1063,23 +1066,25 @@ icl_get_combo_buf_trans_edp(struct intel_encoder *encoder, int type, int rate, > return icl_combo_phy_ddi_translations_edp_hbr2; > } > > - return icl_get_combo_buf_trans_dp(encoder, type, rate, n_entries); > + return icl_get_combo_buf_trans_dp(encoder, crtc_state, n_entries); > } > > static const struct cnl_ddi_buf_trans * > -icl_get_combo_buf_trans(struct intel_encoder *encoder, int type, int rate, > +icl_get_combo_buf_trans(struct intel_encoder *encoder, > + const struct intel_crtc_state *crtc_state, > int *n_entries) > { > - if (type == INTEL_OUTPUT_HDMI) > - return icl_get_combo_buf_trans_hdmi(encoder, type, rate, n_entries); > - else if (type == INTEL_OUTPUT_EDP) > - return icl_get_combo_buf_trans_edp(encoder, type, rate, n_entries); > + if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) > + return icl_get_combo_buf_trans_hdmi(encoder, crtc_state, n_entries); > + else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP)) > + return icl_get_combo_buf_trans_edp(encoder, crtc_state, n_entries); > else > - return icl_get_combo_buf_trans_dp(encoder, type, rate, n_entries); > + return icl_get_combo_buf_trans_dp(encoder, crtc_state, n_entries); > } > > static const struct icl_mg_phy_ddi_buf_trans * > -icl_get_mg_buf_trans_hdmi(struct intel_encoder *encoder, int type, int rate, > +icl_get_mg_buf_trans_hdmi(struct intel_encoder *encoder, > + const struct intel_crtc_state *crtc_state, > int *n_entries) > { > *n_entries = ARRAY_SIZE(icl_mg_phy_ddi_translations_hdmi); > @@ -1087,10 +1092,11 @@ icl_get_mg_buf_trans_hdmi(struct intel_encoder *encoder, int type, int rate, > } > > static const struct icl_mg_phy_ddi_buf_trans * > -icl_get_mg_buf_trans_dp(struct intel_encoder *encoder, int type, int rate, > +icl_get_mg_buf_trans_dp(struct intel_encoder *encoder, > + const struct intel_crtc_state *crtc_state, > int *n_entries) > { > - if (rate > 270000) { > + if (crtc_state->port_clock > 270000) { > *n_entries = ARRAY_SIZE(icl_mg_phy_ddi_translations_hbr2_hbr3); > return icl_mg_phy_ddi_translations_hbr2_hbr3; > } else { > @@ -1100,17 +1106,19 @@ icl_get_mg_buf_trans_dp(struct intel_encoder *encoder, int type, int rate, > } > > static const struct icl_mg_phy_ddi_buf_trans * > -icl_get_mg_buf_trans(struct intel_encoder *encoder, int type, int rate, > +icl_get_mg_buf_trans(struct intel_encoder *encoder, > + const struct intel_crtc_state *crtc_state, > int *n_entries) > { > - if (type == INTEL_OUTPUT_HDMI) > - return icl_get_mg_buf_trans_hdmi(encoder, type, rate, n_entries); > + if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) > + return icl_get_mg_buf_trans_hdmi(encoder, crtc_state, n_entries); > else > - return icl_get_mg_buf_trans_dp(encoder, type, rate, n_entries); > + return icl_get_mg_buf_trans_dp(encoder, crtc_state, n_entries); > } > > static const struct cnl_ddi_buf_trans * > -ehl_get_combo_buf_trans_hdmi(struct intel_encoder *encoder, int type, int rate, > +ehl_get_combo_buf_trans_hdmi(struct intel_encoder *encoder, > + const struct intel_crtc_state *crtc_state, > int *n_entries) > { > *n_entries = ARRAY_SIZE(icl_combo_phy_ddi_translations_hdmi); > @@ -1118,7 +1126,8 @@ ehl_get_combo_buf_trans_hdmi(struct intel_encoder *encoder, int type, int rate, > } > > static const struct cnl_ddi_buf_trans * > -ehl_get_combo_buf_trans_dp(struct intel_encoder *encoder, int type, int rate, > +ehl_get_combo_buf_trans_dp(struct intel_encoder *encoder, > + const struct intel_crtc_state *crtc_state, > int *n_entries) > { > *n_entries = ARRAY_SIZE(ehl_combo_phy_ddi_translations_dp); > @@ -1126,13 +1135,14 @@ ehl_get_combo_buf_trans_dp(struct intel_encoder *encoder, int type, int rate, > } > > static const struct cnl_ddi_buf_trans * > -ehl_get_combo_buf_trans_edp(struct intel_encoder *encoder, int type, int rate, > +ehl_get_combo_buf_trans_edp(struct intel_encoder *encoder, > + const struct intel_crtc_state *crtc_state, > int *n_entries) > { > struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); > > if (dev_priv->vbt.edp.low_vswing) { > - if (rate > 540000) { > + if (crtc_state->port_clock > 540000) { > *n_entries = ARRAY_SIZE(icl_combo_phy_ddi_translations_edp_hbr3); > return icl_combo_phy_ddi_translations_edp_hbr3; > } else { > @@ -1141,23 +1151,25 @@ ehl_get_combo_buf_trans_edp(struct intel_encoder *encoder, int type, int rate, > } > } > > - return ehl_get_combo_buf_trans_dp(encoder, type, rate, n_entries); > + return ehl_get_combo_buf_trans_dp(encoder, crtc_state, n_entries); > } > > static const struct cnl_ddi_buf_trans * > -ehl_get_combo_buf_trans(struct intel_encoder *encoder, int type, int rate, > +ehl_get_combo_buf_trans(struct intel_encoder *encoder, > + const struct intel_crtc_state *crtc_state, > int *n_entries) > { > - if (type == INTEL_OUTPUT_HDMI) > - return ehl_get_combo_buf_trans_hdmi(encoder, type, rate, n_entries); > - else if (type == INTEL_OUTPUT_EDP) > - return ehl_get_combo_buf_trans_edp(encoder, type, rate, n_entries); > + if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) > + return ehl_get_combo_buf_trans_hdmi(encoder, crtc_state, n_entries); > + else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP)) > + return ehl_get_combo_buf_trans_edp(encoder, crtc_state, n_entries); > else > - return ehl_get_combo_buf_trans_dp(encoder, type, rate, n_entries); > + return ehl_get_combo_buf_trans_dp(encoder, crtc_state, n_entries); > } > > static const struct cnl_ddi_buf_trans * > -tgl_get_combo_buf_trans_hdmi(struct intel_encoder *encoder, int type, int rate, > +tgl_get_combo_buf_trans_hdmi(struct intel_encoder *encoder, > + const struct intel_crtc_state *crtc_state, > int *n_entries) > { > *n_entries = ARRAY_SIZE(icl_combo_phy_ddi_translations_hdmi); > @@ -1165,12 +1177,13 @@ tgl_get_combo_buf_trans_hdmi(struct intel_encoder *encoder, int type, int rate, > } > > static const struct cnl_ddi_buf_trans * > -tgl_get_combo_buf_trans_dp(struct intel_encoder *encoder, int type, int rate, > +tgl_get_combo_buf_trans_dp(struct intel_encoder *encoder, > + const struct intel_crtc_state *crtc_state, > int *n_entries) > { > struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); > > - if (rate > 270000) { > + if (crtc_state->port_clock > 270000) { > if (IS_TGL_U(dev_priv) || IS_TGL_Y(dev_priv)) { > *n_entries = ARRAY_SIZE(tgl_uy_combo_phy_ddi_translations_dp_hbr2); > return tgl_uy_combo_phy_ddi_translations_dp_hbr2; > @@ -1185,13 +1198,14 @@ tgl_get_combo_buf_trans_dp(struct intel_encoder *encoder, int type, int rate, > } > > static const struct cnl_ddi_buf_trans * > -tgl_get_combo_buf_trans_edp(struct intel_encoder *encoder, int type, int rate, > +tgl_get_combo_buf_trans_edp(struct intel_encoder *encoder, > + const struct intel_crtc_state *crtc_state, > int *n_entries) > { > struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); > struct intel_dp *intel_dp = enc_to_intel_dp(encoder); > > - if (rate > 540000) { > + if (crtc_state->port_clock > 540000) { > *n_entries = ARRAY_SIZE(icl_combo_phy_ddi_translations_edp_hbr3); > return icl_combo_phy_ddi_translations_edp_hbr3; > } else if (dev_priv->vbt.edp.hobl && !intel_dp->hobl_failed) { > @@ -1202,23 +1216,25 @@ tgl_get_combo_buf_trans_edp(struct intel_encoder *encoder, int type, int rate, > return icl_combo_phy_ddi_translations_edp_hbr2; > } > > - return tgl_get_combo_buf_trans_dp(encoder, type, rate, n_entries); > + return tgl_get_combo_buf_trans_dp(encoder, crtc_state, n_entries); > } > > static const struct cnl_ddi_buf_trans * > -tgl_get_combo_buf_trans(struct intel_encoder *encoder, int type, int rate, > +tgl_get_combo_buf_trans(struct intel_encoder *encoder, > + const struct intel_crtc_state *crtc_state, > int *n_entries) > { > - if (type == INTEL_OUTPUT_HDMI) > - return tgl_get_combo_buf_trans_hdmi(encoder, type, rate, n_entries); > - else if (type == INTEL_OUTPUT_EDP) > - return tgl_get_combo_buf_trans_edp(encoder, type, rate, n_entries); > + if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) > + return tgl_get_combo_buf_trans_hdmi(encoder, crtc_state, n_entries); > + else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP)) > + return tgl_get_combo_buf_trans_edp(encoder, crtc_state, n_entries); > else > - return tgl_get_combo_buf_trans_dp(encoder, type, rate, n_entries); > + return tgl_get_combo_buf_trans_dp(encoder, crtc_state, n_entries); > } > > static const struct tgl_dkl_phy_ddi_buf_trans * > -tgl_get_dkl_buf_trans_hdmi(struct intel_encoder *encoder, int type, int rate, > +tgl_get_dkl_buf_trans_hdmi(struct intel_encoder *encoder, > + const struct intel_crtc_state *crtc_state, > int *n_entries) > { > *n_entries = ARRAY_SIZE(tgl_dkl_phy_hdmi_ddi_trans); > @@ -1226,10 +1242,11 @@ tgl_get_dkl_buf_trans_hdmi(struct intel_encoder *encoder, int type, int rate, > } > > static const struct tgl_dkl_phy_ddi_buf_trans * > -tgl_get_dkl_buf_trans_dp(struct intel_encoder *encoder, int type, int rate, > +tgl_get_dkl_buf_trans_dp(struct intel_encoder *encoder, > + const struct intel_crtc_state *crtc_state, > int *n_entries) > { > - if (rate > 270000) { > + if (crtc_state->port_clock > 270000) { > *n_entries = ARRAY_SIZE(tgl_dkl_phy_dp_ddi_trans_hbr2); > return tgl_dkl_phy_dp_ddi_trans_hbr2; > } else { > @@ -1239,16 +1256,18 @@ tgl_get_dkl_buf_trans_dp(struct intel_encoder *encoder, int type, int rate, > } > > static const struct tgl_dkl_phy_ddi_buf_trans * > -tgl_get_dkl_buf_trans(struct intel_encoder *encoder, int type, int rate, > +tgl_get_dkl_buf_trans(struct intel_encoder *encoder, > + const struct intel_crtc_state *crtc_state, > int *n_entries) > { > - if (type == INTEL_OUTPUT_HDMI) > - return tgl_get_dkl_buf_trans_hdmi(encoder, type, rate, n_entries); > + if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) > + return tgl_get_dkl_buf_trans_hdmi(encoder, crtc_state, n_entries); > else > - return tgl_get_dkl_buf_trans_dp(encoder, type, rate, n_entries); > + return tgl_get_dkl_buf_trans_dp(encoder, crtc_state, n_entries); > } > > -static int intel_ddi_hdmi_level(struct intel_encoder *encoder) > +static int intel_ddi_hdmi_level(struct intel_encoder *encoder, > + const struct intel_crtc_state *crtc_state) > { > struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); > int n_entries, level, default_entry; > @@ -1256,19 +1275,15 @@ static int intel_ddi_hdmi_level(struct intel_encoder *encoder) > > if (INTEL_GEN(dev_priv) >= 12) { > if (intel_phy_is_combo(dev_priv, phy)) > - tgl_get_combo_buf_trans(encoder, INTEL_OUTPUT_HDMI, > - 0, &n_entries); > + tgl_get_combo_buf_trans_hdmi(encoder, crtc_state, &n_entries); > else > - tgl_get_dkl_buf_trans(encoder, INTEL_OUTPUT_HDMI, 0, > - &n_entries); > + tgl_get_dkl_buf_trans_hdmi(encoder, crtc_state, &n_entries); > default_entry = n_entries - 1; > } else if (INTEL_GEN(dev_priv) == 11) { > if (intel_phy_is_combo(dev_priv, phy)) > - icl_get_combo_buf_trans(encoder, INTEL_OUTPUT_HDMI, > - 0, &n_entries); > + icl_get_combo_buf_trans_hdmi(encoder, crtc_state, &n_entries); > else > - icl_get_mg_buf_trans(encoder, INTEL_OUTPUT_HDMI, 0, > - &n_entries); > + icl_get_mg_buf_trans_hdmi(encoder, crtc_state, &n_entries); > default_entry = n_entries - 1; > } else if (IS_CANNONLAKE(dev_priv)) { > cnl_get_buf_trans_hdmi(encoder, &n_entries); > @@ -1595,14 +1610,15 @@ void hsw_fdi_link_train(struct intel_encoder *encoder, > DP_TP_CTL_ENABLE); > } > > -static void intel_ddi_init_dp_buf_reg(struct intel_encoder *encoder) > +static void intel_ddi_init_dp_buf_reg(struct intel_encoder *encoder, > + const struct intel_crtc_state *crtc_state) > { > struct intel_dp *intel_dp = enc_to_intel_dp(encoder); > struct intel_digital_port *dig_port = enc_to_dig_port(encoder); > > intel_dp->DP = dig_port->saved_port_bits | > DDI_BUF_CTL_ENABLE | DDI_BUF_TRANS_SELECT(0); > - intel_dp->DP |= DDI_PORT_WIDTH(intel_dp->lane_count); > + intel_dp->DP |= DDI_PORT_WIDTH(crtc_state->lane_count); > } > > static int icl_calc_tbt_pll_link(struct drm_i915_private *dev_priv, > @@ -2266,13 +2282,14 @@ static void _skl_ddi_set_iboost(struct drm_i915_private *dev_priv, > } > > static void skl_ddi_set_iboost(struct intel_encoder *encoder, > - int level, enum intel_output_type type) > + const struct intel_crtc_state *crtc_state, > + int level) > { > struct intel_digital_port *dig_port = enc_to_dig_port(encoder); > struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); > u8 iboost; > > - if (type == INTEL_OUTPUT_HDMI) > + if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) > iboost = intel_bios_hdmi_boost_level(encoder); > else > iboost = intel_bios_dp_boost_level(encoder); > @@ -2281,14 +2298,12 @@ static void skl_ddi_set_iboost(struct intel_encoder *encoder, > const struct ddi_buf_trans *ddi_translations; > int n_entries; > > - if (type == INTEL_OUTPUT_HDMI) > + if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) > ddi_translations = intel_ddi_get_buf_trans_hdmi(encoder, &n_entries); > - else if (type == INTEL_OUTPUT_EDP) > - ddi_translations = intel_ddi_get_buf_trans_edp(encoder, > - &n_entries); > + else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP)) > + ddi_translations = intel_ddi_get_buf_trans_edp(encoder, &n_entries); > else > - ddi_translations = intel_ddi_get_buf_trans_dp(encoder, > - &n_entries); > + ddi_translations = intel_ddi_get_buf_trans_dp(encoder, &n_entries); > > if (drm_WARN_ON_ONCE(&dev_priv->drm, !ddi_translations)) > return; > @@ -2311,16 +2326,17 @@ static void skl_ddi_set_iboost(struct intel_encoder *encoder, > } > > static void bxt_ddi_vswing_sequence(struct intel_encoder *encoder, > - int level, enum intel_output_type type) > + const struct intel_crtc_state *crtc_state, > + int level) > { > struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); > const struct bxt_ddi_buf_trans *ddi_translations; > enum port port = encoder->port; > int n_entries; > > - if (type == INTEL_OUTPUT_HDMI) > + if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) > ddi_translations = bxt_get_buf_trans_hdmi(encoder, &n_entries); > - else if (type == INTEL_OUTPUT_EDP) > + else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP)) > ddi_translations = bxt_get_buf_trans_edp(encoder, &n_entries); > else > ddi_translations = bxt_get_buf_trans_dp(encoder, &n_entries); > @@ -2337,7 +2353,8 @@ static void bxt_ddi_vswing_sequence(struct intel_encoder *encoder, > ddi_translations[level].deemphasis); > } > > -static u8 intel_ddi_dp_voltage_max(struct intel_dp *intel_dp) > +static u8 intel_ddi_dp_voltage_max(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state) > { > struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base; > struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); > @@ -2347,33 +2364,28 @@ static u8 intel_ddi_dp_voltage_max(struct intel_dp *intel_dp) > > if (INTEL_GEN(dev_priv) >= 12) { > if (intel_phy_is_combo(dev_priv, phy)) > - tgl_get_combo_buf_trans(encoder, encoder->type, > - intel_dp->link_rate, &n_entries); > + tgl_get_combo_buf_trans(encoder, crtc_state, &n_entries); > else > - tgl_get_dkl_buf_trans(encoder, encoder->type, > - intel_dp->link_rate, &n_entries); > + tgl_get_dkl_buf_trans(encoder, crtc_state, &n_entries); > } else if (INTEL_GEN(dev_priv) == 11) { > if (IS_ELKHARTLAKE(dev_priv)) > - ehl_get_combo_buf_trans(encoder, encoder->type, > - intel_dp->link_rate, &n_entries); > + ehl_get_combo_buf_trans(encoder, crtc_state, &n_entries); > else if (intel_phy_is_combo(dev_priv, phy)) > - icl_get_combo_buf_trans(encoder, encoder->type, > - intel_dp->link_rate, &n_entries); > + icl_get_combo_buf_trans(encoder, crtc_state, &n_entries); > else > - icl_get_mg_buf_trans(encoder, encoder->type, > - intel_dp->link_rate, &n_entries); > + icl_get_mg_buf_trans(encoder, crtc_state, &n_entries); > } else if (IS_CANNONLAKE(dev_priv)) { > - if (encoder->type == INTEL_OUTPUT_EDP) > + if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP)) > cnl_get_buf_trans_edp(encoder, &n_entries); > else > cnl_get_buf_trans_dp(encoder, &n_entries); > } else if (IS_GEN9_LP(dev_priv)) { > - if (encoder->type == INTEL_OUTPUT_EDP) > + if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP)) > bxt_get_buf_trans_edp(encoder, &n_entries); > else > bxt_get_buf_trans_dp(encoder, &n_entries); > } else { > - if (encoder->type == INTEL_OUTPUT_EDP) > + if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP)) > intel_ddi_get_buf_trans_edp(encoder, &n_entries); > else > intel_ddi_get_buf_trans_dp(encoder, &n_entries); > @@ -2400,7 +2412,8 @@ static u8 intel_ddi_dp_preemph_max(struct intel_dp *intel_dp) > } > > static void cnl_ddi_vswing_program(struct intel_encoder *encoder, > - int level, enum intel_output_type type) > + const struct intel_crtc_state *crtc_state, > + int level) > { > struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); > const struct cnl_ddi_buf_trans *ddi_translations; > @@ -2408,9 +2421,9 @@ static void cnl_ddi_vswing_program(struct intel_encoder *encoder, > int n_entries, ln; > u32 val; > > - if (type == INTEL_OUTPUT_HDMI) > + if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) > ddi_translations = cnl_get_buf_trans_hdmi(encoder, &n_entries); > - else if (type == INTEL_OUTPUT_EDP) > + else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP)) > ddi_translations = cnl_get_buf_trans_edp(encoder, &n_entries); > else > ddi_translations = cnl_get_buf_trans_dp(encoder, &n_entries); > @@ -2464,22 +2477,16 @@ static void cnl_ddi_vswing_program(struct intel_encoder *encoder, > } > > static void cnl_ddi_vswing_sequence(struct intel_encoder *encoder, > - int level, enum intel_output_type type) > + const struct intel_crtc_state *crtc_state, > + int level) > { > struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); > enum port port = encoder->port; > int width, rate, ln; > u32 val; > > - if (type == INTEL_OUTPUT_HDMI) { > - width = 4; > - rate = 0; /* Rate is always < than 6GHz for HDMI */ > - } else { > - struct intel_dp *intel_dp = enc_to_intel_dp(encoder); > - > - width = intel_dp->lane_count; > - rate = intel_dp->link_rate; > - } > + width = crtc_state->lane_count; > + rate = crtc_state->port_clock; > > /* > * 1. If port type is eDP or DP, > @@ -2487,10 +2494,10 @@ static void cnl_ddi_vswing_sequence(struct intel_encoder *encoder, > * else clear to 0b. > */ > val = intel_de_read(dev_priv, CNL_PORT_PCS_DW1_LN0(port)); > - if (type != INTEL_OUTPUT_HDMI) > - val |= COMMON_KEEPER_EN; > - else > + if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) > val &= ~COMMON_KEEPER_EN; > + else > + val |= COMMON_KEEPER_EN; > intel_de_write(dev_priv, CNL_PORT_PCS_DW1_GRP(port), val); > > /* 2. Program loadgen select */ > @@ -2522,7 +2529,7 @@ static void cnl_ddi_vswing_sequence(struct intel_encoder *encoder, > intel_de_write(dev_priv, CNL_PORT_TX_DW5_GRP(port), val); > > /* 5. Program swing and de-emphasis */ > - cnl_ddi_vswing_program(encoder, level, type); > + cnl_ddi_vswing_program(encoder, crtc_state, level); > > /* 6. Set training enable to trigger update */ > val = intel_de_read(dev_priv, CNL_PORT_TX_DW5_LN0(port)); > @@ -2531,23 +2538,21 @@ static void cnl_ddi_vswing_sequence(struct intel_encoder *encoder, > } > > static void icl_ddi_combo_vswing_program(struct intel_encoder *encoder, > - u32 level, int type, int rate) > + const struct intel_crtc_state *crtc_state, > + int level) > { > struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); > + const struct cnl_ddi_buf_trans *ddi_translations; > enum phy phy = intel_port_to_phy(dev_priv, encoder->port); > - const struct cnl_ddi_buf_trans *ddi_translations = NULL; > - u32 n_entries, val; > - int ln; > + int n_entries, ln; > + u32 val; > > if (INTEL_GEN(dev_priv) >= 12) > - ddi_translations = tgl_get_combo_buf_trans(encoder, type, rate, > - &n_entries); > + ddi_translations = tgl_get_combo_buf_trans(encoder, crtc_state, &n_entries); > else if (IS_ELKHARTLAKE(dev_priv)) > - ddi_translations = ehl_get_combo_buf_trans(encoder, type, rate, > - &n_entries); > + ddi_translations = ehl_get_combo_buf_trans(encoder, crtc_state, &n_entries); > else > - ddi_translations = icl_get_combo_buf_trans(encoder, type, rate, > - &n_entries); > + ddi_translations = icl_get_combo_buf_trans(encoder, crtc_state, &n_entries); > if (!ddi_translations) > return; > > @@ -2558,7 +2563,7 @@ static void icl_ddi_combo_vswing_program(struct intel_encoder *encoder, > level = n_entries - 1; > } > > - if (type == INTEL_OUTPUT_EDP) { > + if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP)) { > struct intel_dp *intel_dp = enc_to_intel_dp(encoder); > > val = EDP4K2K_MODE_OVRD_EN | EDP4K2K_MODE_OVRD_OPTIMIZED; > @@ -2606,25 +2611,16 @@ static void icl_ddi_combo_vswing_program(struct intel_encoder *encoder, > } > > static void icl_combo_phy_ddi_vswing_sequence(struct intel_encoder *encoder, > - u32 level, > - enum intel_output_type type) > + const struct intel_crtc_state *crtc_state, > + int level) > { > struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); > enum phy phy = intel_port_to_phy(dev_priv, encoder->port); > - int width = 0; > - int rate = 0; > + int width, rate, ln; > u32 val; > - int ln = 0; > > - if (type == INTEL_OUTPUT_HDMI) { > - width = 4; > - /* Rate is always < than 6GHz for HDMI */ > - } else { > - struct intel_dp *intel_dp = enc_to_intel_dp(encoder); > - > - width = intel_dp->lane_count; > - rate = intel_dp->link_rate; > - } > + width = crtc_state->lane_count; > + rate = crtc_state->port_clock; > > /* > * 1. If port type is eDP or DP, > @@ -2632,7 +2628,7 @@ static void icl_combo_phy_ddi_vswing_sequence(struct intel_encoder *encoder, > * else clear to 0b. > */ > val = intel_de_read(dev_priv, ICL_PORT_PCS_DW1_LN0(phy)); > - if (type == INTEL_OUTPUT_HDMI) > + if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) > val &= ~COMMON_KEEPER_EN; > else > val |= COMMON_KEEPER_EN; > @@ -2667,7 +2663,7 @@ static void icl_combo_phy_ddi_vswing_sequence(struct intel_encoder *encoder, > intel_de_write(dev_priv, ICL_PORT_TX_DW5_GRP(phy), val); > > /* 5. Program swing and de-emphasis */ > - icl_ddi_combo_vswing_program(encoder, level, type, rate); > + icl_ddi_combo_vswing_program(encoder, crtc_state, level); > > /* 6. Set training enable to trigger update */ > val = intel_de_read(dev_priv, ICL_PORT_TX_DW5_LN0(phy)); > @@ -2676,23 +2672,16 @@ static void icl_combo_phy_ddi_vswing_sequence(struct intel_encoder *encoder, > } > > static void icl_mg_phy_ddi_vswing_sequence(struct intel_encoder *encoder, > - int link_clock, u32 level, > - enum intel_output_type type) > + const struct intel_crtc_state *crtc_state, > + int level) > { > struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); > enum tc_port tc_port = intel_port_to_tc(dev_priv, encoder->port); > const struct icl_mg_phy_ddi_buf_trans *ddi_translations; > - u32 n_entries, val; > - int ln, rate = 0; > + int n_entries, ln; > + u32 val; > > - if (type != INTEL_OUTPUT_HDMI) { > - struct intel_dp *intel_dp = enc_to_intel_dp(encoder); > - > - rate = intel_dp->link_rate; > - } > - > - ddi_translations = icl_get_mg_buf_trans(encoder, type, rate, > - &n_entries); > + ddi_translations = icl_get_mg_buf_trans(encoder, crtc_state, &n_entries); > /* The table does not have values for level 3 and level 9. */ > if (level >= n_entries || level == 3 || level == 9) { > drm_dbg_kms(&dev_priv->drm, > @@ -2759,7 +2748,7 @@ static void icl_mg_phy_ddi_vswing_sequence(struct intel_encoder *encoder, > */ > for (ln = 0; ln < 2; ln++) { > val = intel_de_read(dev_priv, MG_CLKHUB(ln, tc_port)); > - if (link_clock < 300000) > + if (crtc_state->port_clock < 300000) > val |= CFG_LOW_RATE_LKREN_EN; > else > val &= ~CFG_LOW_RATE_LKREN_EN; > @@ -2770,7 +2759,7 @@ static void icl_mg_phy_ddi_vswing_sequence(struct intel_encoder *encoder, > for (ln = 0; ln < 2; ln++) { > val = intel_de_read(dev_priv, MG_TX1_DCC(ln, tc_port)); > val &= ~CFG_AMI_CK_DIV_OVERRIDE_VAL_MASK; > - if (link_clock <= 500000) { > + if (crtc_state->port_clock <= 500000) { > val &= ~CFG_AMI_CK_DIV_OVERRIDE_EN; > } else { > val |= CFG_AMI_CK_DIV_OVERRIDE_EN | > @@ -2780,7 +2769,7 @@ static void icl_mg_phy_ddi_vswing_sequence(struct intel_encoder *encoder, > > val = intel_de_read(dev_priv, MG_TX2_DCC(ln, tc_port)); > val &= ~CFG_AMI_CK_DIV_OVERRIDE_VAL_MASK; > - if (link_clock <= 500000) { > + if (crtc_state->port_clock <= 500000) { > val &= ~CFG_AMI_CK_DIV_OVERRIDE_EN; > } else { > val |= CFG_AMI_CK_DIV_OVERRIDE_EN | > @@ -2806,38 +2795,30 @@ static void icl_mg_phy_ddi_vswing_sequence(struct intel_encoder *encoder, > } > > static void icl_ddi_vswing_sequence(struct intel_encoder *encoder, > - int link_clock, > - u32 level, > - enum intel_output_type type) > + const struct intel_crtc_state *crtc_state, > + int level) > { > struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); > enum phy phy = intel_port_to_phy(dev_priv, encoder->port); > > if (intel_phy_is_combo(dev_priv, phy)) > - icl_combo_phy_ddi_vswing_sequence(encoder, level, type); > + icl_combo_phy_ddi_vswing_sequence(encoder, crtc_state, level); > else > - icl_mg_phy_ddi_vswing_sequence(encoder, link_clock, level, > - type); > + icl_mg_phy_ddi_vswing_sequence(encoder, crtc_state, level); > } > > static void > -tgl_dkl_phy_ddi_vswing_sequence(struct intel_encoder *encoder, int link_clock, > - u32 level, enum intel_output_type type) > +tgl_dkl_phy_ddi_vswing_sequence(struct intel_encoder *encoder, > + const struct intel_crtc_state *crtc_state, > + int level) > { > struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); > enum tc_port tc_port = intel_port_to_tc(dev_priv, encoder->port); > const struct tgl_dkl_phy_ddi_buf_trans *ddi_translations; > - u32 n_entries, val, ln, dpcnt_mask, dpcnt_val; > - int rate = 0; > + u32 val, dpcnt_mask, dpcnt_val; > + int n_entries, ln; > > - if (type == INTEL_OUTPUT_HDMI) { > - struct intel_dp *intel_dp = enc_to_intel_dp(encoder); > - > - rate = intel_dp->link_rate; Looks like a bugfix and then would make sense to fix it in a separate patch. > - } > - > - ddi_translations = tgl_get_dkl_buf_trans(encoder, encoder->type, rate, > - &n_entries); > + ddi_translations = tgl_get_dkl_buf_trans(encoder, crtc_state, &n_entries); > > if (level >= n_entries) > level = n_entries - 1; > @@ -2873,20 +2854,20 @@ tgl_dkl_phy_ddi_vswing_sequence(struct intel_encoder *encoder, int link_clock, > } > > static void tgl_ddi_vswing_sequence(struct intel_encoder *encoder, > - int link_clock, > - u32 level, > - enum intel_output_type type) > + const struct intel_crtc_state *crtc_state, > + int level) > { > struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); > enum phy phy = intel_port_to_phy(dev_priv, encoder->port); > > if (intel_phy_is_combo(dev_priv, phy)) > - icl_combo_phy_ddi_vswing_sequence(encoder, level, type); > + icl_combo_phy_ddi_vswing_sequence(encoder, crtc_state, level); > else > - tgl_dkl_phy_ddi_vswing_sequence(encoder, link_clock, level, type); > + tgl_dkl_phy_ddi_vswing_sequence(encoder, crtc_state, level); > } > > -static u32 translate_signal_level(struct intel_dp *intel_dp, int signal_levels) > +static int translate_signal_level(struct intel_dp *intel_dp, > + u8 signal_levels) > { > struct drm_i915_private *i915 = dp_to_i915(intel_dp); > int i; > @@ -2903,55 +2884,58 @@ static u32 translate_signal_level(struct intel_dp *intel_dp, int signal_levels) > return 0; > } > > -static u32 intel_ddi_dp_level(struct intel_dp *intel_dp) > +static int intel_ddi_dp_level(struct intel_dp *intel_dp) > { > u8 train_set = intel_dp->train_set[0]; > - int signal_levels = train_set & (DP_TRAIN_VOLTAGE_SWING_MASK | > - DP_TRAIN_PRE_EMPHASIS_MASK); > + u8 signal_levels = train_set & (DP_TRAIN_VOLTAGE_SWING_MASK | > + DP_TRAIN_PRE_EMPHASIS_MASK); > > return translate_signal_level(intel_dp, signal_levels); > } > > static void > -tgl_set_signal_levels(struct intel_dp *intel_dp) > +tgl_set_signal_levels(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state) > { > struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base; > int level = intel_ddi_dp_level(intel_dp); > > - tgl_ddi_vswing_sequence(encoder, intel_dp->link_rate, > - level, encoder->type); > + tgl_ddi_vswing_sequence(encoder, crtc_state, level); > } > > static void > -icl_set_signal_levels(struct intel_dp *intel_dp) > +icl_set_signal_levels(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state) > { > struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base; > int level = intel_ddi_dp_level(intel_dp); > > - icl_ddi_vswing_sequence(encoder, intel_dp->link_rate, > - level, encoder->type); > + icl_ddi_vswing_sequence(encoder, crtc_state, level); > } > > static void > -cnl_set_signal_levels(struct intel_dp *intel_dp) > +cnl_set_signal_levels(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state) > { > struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base; > int level = intel_ddi_dp_level(intel_dp); > > - cnl_ddi_vswing_sequence(encoder, level, encoder->type); > + cnl_ddi_vswing_sequence(encoder, crtc_state, level); > } > > static void > -bxt_set_signal_levels(struct intel_dp *intel_dp) > +bxt_set_signal_levels(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state) > { > struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base; > int level = intel_ddi_dp_level(intel_dp); > > - bxt_ddi_vswing_sequence(encoder, level, encoder->type); > + bxt_ddi_vswing_sequence(encoder, crtc_state, level); > } > > static void > -hsw_set_signal_levels(struct intel_dp *intel_dp) > +hsw_set_signal_levels(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state) > { > struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base; > struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); > @@ -2968,7 +2952,7 @@ hsw_set_signal_levels(struct intel_dp *intel_dp) > intel_dp->DP |= signal_levels; > > if (IS_GEN9_BC(dev_priv)) > - skl_ddi_set_iboost(encoder, level, encoder->type); > + skl_ddi_set_iboost(encoder, crtc_state, level); > > intel_de_write(dev_priv, DDI_BUF_CTL(port), intel_dp->DP); > intel_de_posting_read(dev_priv, DDI_BUF_CTL(port)); > @@ -3375,8 +3359,9 @@ static void tgl_ddi_pre_enable_dp(struct intel_atomic_state *state, > int level = intel_ddi_dp_level(intel_dp); > enum transcoder transcoder = crtc_state->cpu_transcoder; > > - intel_dp_set_link_params(intel_dp, crtc_state->port_clock, > - crtc_state->lane_count, is_mst); > + intel_dp_set_link_params(intel_dp, > + crtc_state->port_clock, > + crtc_state->lane_count); > > intel_dp->regs.dp_tp_ctl = TGL_DP_TP_CTL(transcoder); > intel_dp->regs.dp_tp_status = TGL_DP_TP_STATUS(transcoder); > @@ -3448,8 +3433,7 @@ static void tgl_ddi_pre_enable_dp(struct intel_atomic_state *state, > */ > > /* 7.e Configure voltage swing and related IO settings */ > - tgl_ddi_vswing_sequence(encoder, crtc_state->port_clock, level, > - encoder->type); > + tgl_ddi_vswing_sequence(encoder, crtc_state, level); > > /* > * 7.f Combo PHY: Configure PORT_CL_DW10 Static Power Down to power up > @@ -3472,7 +3456,7 @@ static void tgl_ddi_pre_enable_dp(struct intel_atomic_state *state, > * We only configure what the register value will be here. Actual > * enabling happens during link training farther down. > */ > - intel_ddi_init_dp_buf_reg(encoder); > + intel_ddi_init_dp_buf_reg(encoder, crtc_state); > > if (!is_mst) > intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_ON); > @@ -3492,11 +3476,11 @@ static void tgl_ddi_pre_enable_dp(struct intel_atomic_state *state, > * Pattern, wait for 5 idle patterns (DP_TP_STATUS Min_Idles_Sent) > * (timeout after 800 us) > */ > - intel_dp_start_link_train(intel_dp); > + intel_dp_start_link_train(intel_dp, crtc_state); > > /* 7.k Set DP_TP_CTL link training to Normal */ > if (!is_trans_port_sync_mode(crtc_state)) > - intel_dp_stop_link_train(intel_dp); > + intel_dp_stop_link_train(intel_dp, crtc_state); > > /* 7.l Configure and enable FEC if needed */ > intel_ddi_enable_fec(encoder, crtc_state); > @@ -3522,8 +3506,9 @@ static void hsw_ddi_pre_enable_dp(struct intel_atomic_state *state, > else > drm_WARN_ON(&dev_priv->drm, is_mst && port == PORT_A); > > - intel_dp_set_link_params(intel_dp, crtc_state->port_clock, > - crtc_state->lane_count, is_mst); > + intel_dp_set_link_params(intel_dp, > + crtc_state->port_clock, > + crtc_state->lane_count); > > intel_edp_panel_on(intel_dp); > > @@ -3537,12 +3522,11 @@ static void hsw_ddi_pre_enable_dp(struct intel_atomic_state *state, > icl_program_mg_dp_mode(dig_port, crtc_state); > > if (INTEL_GEN(dev_priv) >= 11) > - icl_ddi_vswing_sequence(encoder, crtc_state->port_clock, > - level, encoder->type); > + icl_ddi_vswing_sequence(encoder, crtc_state, level); > else if (IS_CANNONLAKE(dev_priv)) > - cnl_ddi_vswing_sequence(encoder, level, encoder->type); > + cnl_ddi_vswing_sequence(encoder, crtc_state, level); > else if (IS_GEN9_LP(dev_priv)) > - bxt_ddi_vswing_sequence(encoder, level, encoder->type); > + bxt_ddi_vswing_sequence(encoder, crtc_state, level); > else > intel_prepare_dp_ddi_buffers(encoder, crtc_state); > > @@ -3555,17 +3539,17 @@ static void hsw_ddi_pre_enable_dp(struct intel_atomic_state *state, > lane_reversal); > } > > - intel_ddi_init_dp_buf_reg(encoder); > + intel_ddi_init_dp_buf_reg(encoder, crtc_state); > if (!is_mst) > intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_ON); > intel_dp_configure_protocol_converter(intel_dp); > intel_dp_sink_set_decompression_state(intel_dp, crtc_state, > true); > intel_dp_sink_set_fec_ready(intel_dp, crtc_state); > - intel_dp_start_link_train(intel_dp); > + intel_dp_start_link_train(intel_dp, crtc_state); > if ((port != PORT_A || INTEL_GEN(dev_priv) >= 9) && > !is_trans_port_sync_mode(crtc_state)) > - intel_dp_stop_link_train(intel_dp); > + intel_dp_stop_link_train(intel_dp, crtc_state); > > intel_ddi_enable_fec(encoder, crtc_state); > > @@ -3605,7 +3589,7 @@ static void intel_ddi_pre_enable_hdmi(struct intel_atomic_state *state, > struct intel_digital_port *dig_port = enc_to_dig_port(encoder); > struct intel_hdmi *intel_hdmi = &dig_port->hdmi; > struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); > - int level = intel_ddi_hdmi_level(encoder); > + int level = intel_ddi_hdmi_level(encoder, crtc_state); > > intel_dp_dual_mode_set_tmds_output(intel_hdmi, true); > intel_ddi_clk_select(encoder, crtc_state); > @@ -3615,20 +3599,18 @@ static void intel_ddi_pre_enable_hdmi(struct intel_atomic_state *state, > icl_program_mg_dp_mode(dig_port, crtc_state); > > if (INTEL_GEN(dev_priv) >= 12) > - tgl_ddi_vswing_sequence(encoder, crtc_state->port_clock, > - level, INTEL_OUTPUT_HDMI); > + tgl_ddi_vswing_sequence(encoder, crtc_state, level); > else if (INTEL_GEN(dev_priv) == 11) > - icl_ddi_vswing_sequence(encoder, crtc_state->port_clock, > - level, INTEL_OUTPUT_HDMI); > + icl_ddi_vswing_sequence(encoder, crtc_state, level); > else if (IS_CANNONLAKE(dev_priv)) > - cnl_ddi_vswing_sequence(encoder, level, INTEL_OUTPUT_HDMI); > + cnl_ddi_vswing_sequence(encoder, crtc_state, level); > else if (IS_GEN9_LP(dev_priv)) > - bxt_ddi_vswing_sequence(encoder, level, INTEL_OUTPUT_HDMI); > + bxt_ddi_vswing_sequence(encoder, crtc_state, level); > else > intel_prepare_hdmi_ddi_buffers(encoder, level); > > if (IS_GEN9_BC(dev_priv)) > - skl_ddi_set_iboost(encoder, level, INTEL_OUTPUT_HDMI); > + skl_ddi_set_iboost(encoder, crtc_state, level); > > intel_ddi_enable_pipe_clock(encoder, crtc_state); > > @@ -3918,12 +3900,14 @@ static void trans_port_sync_stop_link_train(struct intel_atomic_state *state, > crtc_state->cpu_transcoder) > continue; > > - intel_dp_stop_link_train(enc_to_intel_dp(slave_encoder)); > + intel_dp_stop_link_train(enc_to_intel_dp(slave_encoder), > + slave_crtc_state); > } > > usleep_range(200, 400); > > - intel_dp_stop_link_train(enc_to_intel_dp(encoder)); > + intel_dp_stop_link_train(enc_to_intel_dp(encoder), > + crtc_state); > } > > static void intel_enable_ddi_dp(struct intel_atomic_state *state, > @@ -3936,7 +3920,7 @@ static void intel_enable_ddi_dp(struct intel_atomic_state *state, > enum port port = encoder->port; > > if (port == PORT_A && INTEL_GEN(dev_priv) < 9) > - intel_dp_stop_link_train(intel_dp); > + intel_dp_stop_link_train(intel_dp, crtc_state); > > intel_edp_backlight_on(crtc_state, conn_state); > intel_psr_enable(intel_dp, crtc_state, conn_state); > @@ -4197,7 +4181,8 @@ intel_ddi_pre_pll_enable(struct intel_atomic_state *state, > crtc_state->lane_lat_optim_mask); > } > > -static void intel_ddi_prepare_link_retrain(struct intel_dp *intel_dp) > +static void intel_ddi_prepare_link_retrain(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state) > { > struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); > struct drm_i915_private *dev_priv = to_i915(dig_port->base.base.dev); > @@ -4224,10 +4209,11 @@ static void intel_ddi_prepare_link_retrain(struct intel_dp *intel_dp) > intel_wait_ddi_buf_idle(dev_priv, port); > } > > - dp_tp_ctl = DP_TP_CTL_ENABLE | DP_TP_CTL_LINK_TRAIN_PAT1; > - if (intel_dp->link_mst) > + dp_tp_ctl = DP_TP_CTL_ENABLE | > + DP_TP_CTL_LINK_TRAIN_PAT1 | DP_TP_CTL_SCRAMBLE_DISABLE; Disable scrambling looks like some HW debugging feature, the HW toggles it automatically based on the spec. There was a recent related change removing setting it in intel_ddi_set_link_train(). If needed, it should be a separate change imo. > + if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST)) { > dp_tp_ctl |= DP_TP_CTL_MODE_MST; > - else { > + } else { > dp_tp_ctl |= DP_TP_CTL_MODE_SST; > if (drm_dp_enhanced_frame_cap(intel_dp->dpcd)) > dp_tp_ctl |= DP_TP_CTL_ENHANCED_FRAME_ENABLE; > @@ -4243,6 +4229,7 @@ static void intel_ddi_prepare_link_retrain(struct intel_dp *intel_dp) > } > > static void intel_ddi_set_link_train(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state, > u8 dp_train_pat) > { > struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); > @@ -4273,7 +4260,8 @@ static void intel_ddi_set_link_train(struct intel_dp *intel_dp, > intel_de_write(dev_priv, intel_dp->regs.dp_tp_ctl, temp); > } > > -static void intel_ddi_set_idle_link_train(struct intel_dp *intel_dp) > +static void intel_ddi_set_idle_link_train(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state) > { > struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base; > struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); > diff --git a/drivers/gpu/drm/i915/display/intel_ddi.h b/drivers/gpu/drm/i915/display/intel_ddi.h > index f5fb62fc9400..9a2ac73164f8 100644 > --- a/drivers/gpu/drm/i915/display/intel_ddi.h > +++ b/drivers/gpu/drm/i915/display/intel_ddi.h > @@ -41,8 +41,10 @@ void intel_ddi_set_vc_payload_alloc(const struct intel_crtc_state *crtc_state, > bool state); > void intel_ddi_compute_min_voltage_level(struct drm_i915_private *dev_priv, > struct intel_crtc_state *crtc_state); > -u32 bxt_signal_levels(struct intel_dp *intel_dp); > -u32 ddi_signal_levels(struct intel_dp *intel_dp); > +u32 bxt_signal_levels(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state); > +u32 ddi_signal_levels(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state); > int intel_ddi_toggle_hdcp_signalling(struct intel_encoder *intel_encoder, > enum transcoder cpu_transcoder, > bool enable); > diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h > index e3339e41ddf7..66d197153c93 100644 > --- a/drivers/gpu/drm/i915/display/intel_display_types.h > +++ b/drivers/gpu/drm/i915/display/intel_display_types.h > @@ -1273,7 +1273,6 @@ struct intel_dp { > int link_rate; > u8 lane_count; > u8 sink_count; > - bool link_mst; > bool link_trained; > bool has_hdmi_sink; > bool has_audio; > @@ -1366,13 +1365,19 @@ struct intel_dp { > i915_reg_t (*aux_ch_data_reg)(struct intel_dp *dp, int index); > > /* This is called before a link training is starterd */ > - void (*prepare_link_retrain)(struct intel_dp *intel_dp); > - void (*set_link_train)(struct intel_dp *intel_dp, u8 dp_train_pat); > - void (*set_idle_link_train)(struct intel_dp *intel_dp); > - void (*set_signal_levels)(struct intel_dp *intel_dp); > + void (*prepare_link_retrain)(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state); > + void (*set_link_train)(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state, > + u8 dp_train_pat); > + void (*set_idle_link_train)(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state); > + void (*set_signal_levels)(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state); > > u8 (*preemph_max)(struct intel_dp *intel_dp); > - u8 (*voltage_max)(struct intel_dp *intel_dp); > + u8 (*voltage_max)(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state); > > /* Displayport compliance testing */ > struct intel_dp_compliance compliance; > diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c > index 6718e01909cd..5ac8a06575d4 100644 > --- a/drivers/gpu/drm/i915/display/intel_dp.c > +++ b/drivers/gpu/drm/i915/display/intel_dp.c > @@ -2799,13 +2799,11 @@ intel_dp_compute_config(struct intel_encoder *encoder, > } > > void intel_dp_set_link_params(struct intel_dp *intel_dp, > - int link_rate, u8 lane_count, > - bool link_mst) > + int link_rate, int lane_count) > { > intel_dp->link_trained = false; > intel_dp->link_rate = link_rate; > intel_dp->lane_count = lane_count; > - intel_dp->link_mst = link_mst; > } > > static void intel_dp_prepare(struct intel_encoder *encoder, > @@ -2817,10 +2815,9 @@ static void intel_dp_prepare(struct intel_encoder *encoder, > struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc); > const struct drm_display_mode *adjusted_mode = &pipe_config->hw.adjusted_mode; > > - intel_dp_set_link_params(intel_dp, pipe_config->port_clock, > - pipe_config->lane_count, > - intel_crtc_has_type(pipe_config, > - INTEL_OUTPUT_DP_MST)); > + intel_dp_set_link_params(intel_dp, > + pipe_config->port_clock, > + pipe_config->lane_count); > > /* > * There are four kinds of DP registers: > @@ -3791,6 +3788,7 @@ static void chv_post_disable_dp(struct intel_atomic_state *state, > > static void > cpt_set_link_train(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state, > u8 dp_train_pat) > { > struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); > @@ -3821,6 +3819,7 @@ cpt_set_link_train(struct intel_dp *intel_dp, > > static void > g4x_set_link_train(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state, > u8 dp_train_pat) > { > struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); > @@ -3856,7 +3855,8 @@ static void intel_dp_enable_port(struct intel_dp *intel_dp, > > /* enable with pattern 1 (as per spec) */ > > - intel_dp_program_link_training_pattern(intel_dp, DP_TRAINING_PATTERN_1); > + intel_dp_program_link_training_pattern(intel_dp, crtc_state, > + DP_TRAINING_PATTERN_1); > > /* > * Magic for VLV/CHV. We _must_ first set up the register > @@ -3947,8 +3947,8 @@ static void intel_enable_dp(struct intel_atomic_state *state, > > intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_ON); > intel_dp_configure_protocol_converter(intel_dp); > - intel_dp_start_link_train(intel_dp); > - intel_dp_stop_link_train(intel_dp); > + intel_dp_start_link_train(intel_dp, pipe_config); > + intel_dp_stop_link_train(intel_dp, pipe_config); > > if (pipe_config->has_audio) { > drm_dbg(&dev_priv->drm, "Enabling DP audio on pipe %c\n", > @@ -4157,12 +4157,14 @@ intel_dp_get_link_status(struct intel_dp *intel_dp, u8 link_status[DP_LINK_STATU > DP_LINK_STATUS_SIZE) == DP_LINK_STATUS_SIZE; > } > > -static u8 intel_dp_voltage_max_2(struct intel_dp *intel_dp) > +static u8 intel_dp_voltage_max_2(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state) > { > return DP_TRAIN_VOLTAGE_SWING_LEVEL_2; > } > > -static u8 intel_dp_voltage_max_3(struct intel_dp *intel_dp) > +static u8 intel_dp_voltage_max_3(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state) > { > return DP_TRAIN_VOLTAGE_SWING_LEVEL_3; > } > @@ -4177,7 +4179,8 @@ static u8 intel_dp_preemph_max_3(struct intel_dp *intel_dp) > return DP_TRAIN_PRE_EMPH_LEVEL_3; > } > > -static void vlv_set_signal_levels(struct intel_dp *intel_dp) > +static void vlv_set_signal_levels(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state) > { > struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base; > unsigned long demph_reg_value, preemph_reg_value, > @@ -4257,11 +4260,13 @@ static void vlv_set_signal_levels(struct intel_dp *intel_dp) > return; > } > > - vlv_set_phy_signal_level(encoder, demph_reg_value, preemph_reg_value, > + vlv_set_phy_signal_level(encoder, crtc_state, > + demph_reg_value, preemph_reg_value, > uniqtranscale_reg_value, 0); > } > > -static void chv_set_signal_levels(struct intel_dp *intel_dp) > +static void chv_set_signal_levels(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state) > { > struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base; > u32 deemph_reg_value, margin_reg_value; > @@ -4338,8 +4343,9 @@ static void chv_set_signal_levels(struct intel_dp *intel_dp) > return; > } > > - chv_set_phy_signal_level(encoder, deemph_reg_value, > - margin_reg_value, uniq_trans_scale); > + chv_set_phy_signal_level(encoder, crtc_state, > + deemph_reg_value, margin_reg_value, > + uniq_trans_scale); > } > > static u32 g4x_signal_levels(u8 train_set) > @@ -4380,7 +4386,8 @@ static u32 g4x_signal_levels(u8 train_set) > } > > static void > -g4x_set_signal_levels(struct intel_dp *intel_dp) > +g4x_set_signal_levels(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state) > { > struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); > u8 train_set = intel_dp->train_set[0]; > @@ -4427,7 +4434,8 @@ static u32 snb_cpu_edp_signal_levels(u8 train_set) > } > > static void > -snb_cpu_edp_set_signal_levels(struct intel_dp *intel_dp) > +snb_cpu_edp_set_signal_levels(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state) > { > struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); > u8 train_set = intel_dp->train_set[0]; > @@ -4478,7 +4486,8 @@ static u32 ivb_cpu_edp_signal_levels(u8 train_set) > } > > static void > -ivb_cpu_edp_set_signal_levels(struct intel_dp *intel_dp) > +ivb_cpu_edp_set_signal_levels(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state) > { > struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); > u8 train_set = intel_dp->train_set[0]; > @@ -4496,7 +4505,8 @@ ivb_cpu_edp_set_signal_levels(struct intel_dp *intel_dp) > intel_de_posting_read(dev_priv, intel_dp->output_reg); > } > > -void intel_dp_set_signal_levels(struct intel_dp *intel_dp) > +void intel_dp_set_signal_levels(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state) > { > struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); > u8 train_set = intel_dp->train_set[0]; > @@ -4510,11 +4520,12 @@ void intel_dp_set_signal_levels(struct intel_dp *intel_dp) > train_set & DP_TRAIN_MAX_PRE_EMPHASIS_REACHED ? > " (max)" : ""); > > - intel_dp->set_signal_levels(intel_dp); > + intel_dp->set_signal_levels(intel_dp, crtc_state); > } > > void > intel_dp_program_link_training_pattern(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state, > u8 dp_train_pat) > { > struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); > @@ -4525,13 +4536,14 @@ intel_dp_program_link_training_pattern(struct intel_dp *intel_dp, > "Using DP training pattern TPS%d\n", > dp_train_pat & train_pat_mask); > > - intel_dp->set_link_train(intel_dp, dp_train_pat); > + intel_dp->set_link_train(intel_dp, crtc_state, dp_train_pat); > } > > -void intel_dp_set_idle_link_train(struct intel_dp *intel_dp) > +void intel_dp_set_idle_link_train(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state) > { > if (intel_dp->set_idle_link_train) > - intel_dp->set_idle_link_train(intel_dp); > + intel_dp->set_idle_link_train(intel_dp, crtc_state); > } > > static void > @@ -5424,14 +5436,14 @@ static u8 intel_dp_autotest_edid(struct intel_dp *intel_dp) > return test_result; > } > > -static void intel_dp_phy_pattern_update(struct intel_dp *intel_dp) > +static void intel_dp_phy_pattern_update(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state) > { > struct drm_i915_private *dev_priv = > to_i915(dp_to_dig_port(intel_dp)->base.base.dev); > - struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); > struct drm_dp_phy_test_params *data = > &intel_dp->compliance.test_data.phytest; > - struct intel_crtc *crtc = to_intel_crtc(dig_port->base.base.crtc); > + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); > enum pipe pipe = crtc->pipe; > u32 pattern_val; > > @@ -5491,7 +5503,8 @@ static void intel_dp_phy_pattern_update(struct intel_dp *intel_dp) > } > > static void > -intel_dp_autotest_phy_ddi_disable(struct intel_dp *intel_dp) > +intel_dp_autotest_phy_ddi_disable(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state) > { > struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); > struct drm_device *dev = dig_port->base.base.dev; > @@ -5517,7 +5530,8 @@ intel_dp_autotest_phy_ddi_disable(struct intel_dp *intel_dp) > } > > static void > -intel_dp_autotest_phy_ddi_enable(struct intel_dp *intel_dp, uint8_t lane_cnt) > +intel_dp_autotest_phy_ddi_enable(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state) > { > struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); > struct drm_device *dev = dig_port->base.base.dev; > @@ -5543,7 +5557,8 @@ intel_dp_autotest_phy_ddi_enable(struct intel_dp *intel_dp, uint8_t lane_cnt) > trans_ddi_func_ctl_value); > } > > -static void intel_dp_process_phy_request(struct intel_dp *intel_dp) > +static void intel_dp_process_phy_request(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state) > { > struct drm_dp_phy_test_params *data = > &intel_dp->compliance.test_data.phytest; > @@ -5555,15 +5570,15 @@ static void intel_dp_process_phy_request(struct intel_dp *intel_dp) > } > > /* retrieve vswing & pre-emphasis setting */ > - intel_dp_get_adjust_train(intel_dp, link_status); > + intel_dp_get_adjust_train(intel_dp, crtc_state, link_status); > > - intel_dp_autotest_phy_ddi_disable(intel_dp); > + intel_dp_autotest_phy_ddi_disable(intel_dp, crtc_state); > > - intel_dp_set_signal_levels(intel_dp); > + intel_dp_set_signal_levels(intel_dp, crtc_state); > > - intel_dp_phy_pattern_update(intel_dp); > + intel_dp_phy_pattern_update(intel_dp, crtc_state); > > - intel_dp_autotest_phy_ddi_enable(intel_dp, data->num_lanes); > + intel_dp_autotest_phy_ddi_enable(intel_dp, crtc_state); > > drm_dp_set_phy_test_pattern(&intel_dp->aux, data, > link_status[DP_DPCD_REV]); > @@ -5719,6 +5734,10 @@ intel_dp_needs_link_retrain(struct intel_dp *intel_dp) > /* > * Validate the cached values of intel_dp->link_rate and > * intel_dp->lane_count before attempting to retrain. > + * > + * FIXME would be nice to user the crtc state here, but since > + * we need to call this from the short HPD handler that seems > + * a bit hard. > */ > if (!intel_dp_link_params_valid(intel_dp, intel_dp->link_rate, > intel_dp->lane_count)) > @@ -5852,8 +5871,20 @@ int intel_dp_retrain_link(struct intel_encoder *encoder, > intel_crtc_pch_transcoder(crtc), false); > } > > - intel_dp_start_link_train(intel_dp); > - intel_dp_stop_link_train(intel_dp); > + for_each_intel_crtc_mask(&dev_priv->drm, crtc, crtc_mask) { > + const struct intel_crtc_state *crtc_state = > + to_intel_crtc_state(crtc->base.state); > + > + /* retrain on the MST master transcoder */ > + if (INTEL_GEN(dev_priv) >= 12 && > + intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST) && > + crtc_state->cpu_transcoder != crtc_state->mst_master_transcoder) Could use intel_dp_mst_is_master_trans(). > + continue; > + > + intel_dp_start_link_train(intel_dp, crtc_state); > + intel_dp_stop_link_train(intel_dp, crtc_state); > + break; > + } > > for_each_intel_crtc_mask(&dev_priv->drm, crtc, crtc_mask) { > const struct intel_crtc_state *crtc_state = > @@ -5923,6 +5954,7 @@ static int intel_dp_do_phy_test(struct intel_encoder *encoder, > { > struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); > struct intel_dp *intel_dp = enc_to_intel_dp(encoder); > + struct intel_crtc *crtc; > u32 crtc_mask; > int ret; > > @@ -5940,7 +5972,20 @@ static int intel_dp_do_phy_test(struct intel_encoder *encoder, > > drm_dbg_kms(&dev_priv->drm, "[ENCODER:%d:%s] PHY test\n", > encoder->base.base.id, encoder->base.name); > - intel_dp_process_phy_request(intel_dp); > + > + for_each_intel_crtc_mask(&dev_priv->drm, crtc, crtc_mask) { > + const struct intel_crtc_state *crtc_state = > + to_intel_crtc_state(crtc->base.state); > + > + /* test on the MST master transcoder */ > + if (INTEL_GEN(dev_priv) >= 12 && > + intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST) && > + crtc_state->cpu_transcoder != crtc_state->mst_master_transcoder) Here too. > + continue; > + > + intel_dp_process_phy_request(intel_dp, crtc_state); > + break; > + } > > return 0; > } > diff --git a/drivers/gpu/drm/i915/display/intel_dp.h b/drivers/gpu/drm/i915/display/intel_dp.h > index 60f44f41fd08..66854aab9887 100644 > --- a/drivers/gpu/drm/i915/display/intel_dp.h > +++ b/drivers/gpu/drm/i915/display/intel_dp.h > @@ -45,8 +45,7 @@ bool intel_dp_init(struct drm_i915_private *dev_priv, i915_reg_t output_reg, > bool intel_dp_init_connector(struct intel_digital_port *dig_port, > struct intel_connector *intel_connector); > void intel_dp_set_link_params(struct intel_dp *intel_dp, > - int link_rate, u8 lane_count, > - bool link_mst); > + int link_rate, int lane_count); > int intel_dp_get_link_train_fallback_values(struct intel_dp *intel_dp, > int link_rate, u8 lane_count); > int intel_dp_retrain_link(struct intel_encoder *encoder, > @@ -93,10 +92,13 @@ void intel_edp_drrs_flush(struct drm_i915_private *dev_priv, > > void > intel_dp_program_link_training_pattern(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state, > u8 dp_train_pat); > void > -intel_dp_set_signal_levels(struct intel_dp *intel_dp); > -void intel_dp_set_idle_link_train(struct intel_dp *intel_dp); > +intel_dp_set_signal_levels(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state); > +void intel_dp_set_idle_link_train(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state); > void intel_dp_compute_rate(struct intel_dp *intel_dp, int port_clock, > u8 *link_bw, u8 *rate_select); > bool intel_dp_source_supports_hbr2(struct intel_dp *intel_dp); > diff --git a/drivers/gpu/drm/i915/display/intel_dp_link_training.c b/drivers/gpu/drm/i915/display/intel_dp_link_training.c > index f2c8b56be9ea..51e8d46d9b7f 100644 > --- a/drivers/gpu/drm/i915/display/intel_dp_link_training.c > +++ b/drivers/gpu/drm/i915/display/intel_dp_link_training.c > @@ -49,8 +49,10 @@ static u8 dp_voltage_max(u8 preemph) > } > } > > -void intel_dp_get_adjust_train(struct intel_dp *intel_dp, > - const u8 link_status[DP_LINK_STATUS_SIZE]) > +void > +intel_dp_get_adjust_train(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state, > + const u8 link_status[DP_LINK_STATUS_SIZE]) > { > struct drm_i915_private *i915 = dp_to_i915(intel_dp); > u8 v = 0; > @@ -59,7 +61,7 @@ void intel_dp_get_adjust_train(struct intel_dp *intel_dp, > u8 voltage_max; > u8 preemph_max; > > - for (lane = 0; lane < intel_dp->lane_count; lane++) { > + for (lane = 0; lane < crtc_state->lane_count; lane++) { > v = max(v, drm_dp_get_adjust_request_voltage(link_status, lane)); > p = max(p, drm_dp_get_adjust_request_pre_emphasis(link_status, lane)); > } > @@ -74,7 +76,7 @@ void intel_dp_get_adjust_train(struct intel_dp *intel_dp, > > v = min(v, dp_voltage_max(p)); > > - voltage_max = intel_dp->voltage_max(intel_dp); > + voltage_max = intel_dp->voltage_max(intel_dp, crtc_state); > drm_WARN_ON_ONCE(&i915->drm, > voltage_max != DP_TRAIN_VOLTAGE_SWING_LEVEL_2 && > voltage_max != DP_TRAIN_VOLTAGE_SWING_LEVEL_3); > @@ -88,12 +90,14 @@ void intel_dp_get_adjust_train(struct intel_dp *intel_dp, > > static bool > intel_dp_set_link_train(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state, > u8 dp_train_pat) > { > u8 buf[sizeof(intel_dp->train_set) + 1]; > int ret, len; > > - intel_dp_program_link_training_pattern(intel_dp, dp_train_pat); > + intel_dp_program_link_training_pattern(intel_dp, crtc_state, > + dp_train_pat); > > buf[0] = dp_train_pat; > if ((dp_train_pat & DP_TRAINING_PATTERN_MASK) == > @@ -102,8 +106,8 @@ intel_dp_set_link_train(struct intel_dp *intel_dp, > len = 1; > } else { > /* DP_TRAINING_LANEx_SET follow DP_TRAINING_PATTERN_SET */ > - memcpy(buf + 1, intel_dp->train_set, intel_dp->lane_count); > - len = intel_dp->lane_count + 1; > + memcpy(buf + 1, intel_dp->train_set, crtc_state->lane_count); > + len = crtc_state->lane_count + 1; > } > > ret = drm_dp_dpcd_write(&intel_dp->aux, DP_TRAINING_PATTERN_SET, > @@ -114,31 +118,34 @@ intel_dp_set_link_train(struct intel_dp *intel_dp, > > static bool > intel_dp_reset_link_train(struct intel_dp *intel_dp, > - u8 dp_train_pat) > + const struct intel_crtc_state *crtc_state, > + u8 dp_train_pat) > { > memset(intel_dp->train_set, 0, sizeof(intel_dp->train_set)); > - intel_dp_set_signal_levels(intel_dp); > - return intel_dp_set_link_train(intel_dp, dp_train_pat); > + intel_dp_set_signal_levels(intel_dp, crtc_state); > + return intel_dp_set_link_train(intel_dp, crtc_state, dp_train_pat); > } > > static bool > -intel_dp_update_link_train(struct intel_dp *intel_dp) > +intel_dp_update_link_train(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state) > { > int ret; > > - intel_dp_set_signal_levels(intel_dp); > + intel_dp_set_signal_levels(intel_dp, crtc_state); > > ret = drm_dp_dpcd_write(&intel_dp->aux, DP_TRAINING_LANE0_SET, > - intel_dp->train_set, intel_dp->lane_count); > + intel_dp->train_set, crtc_state->lane_count); > > - return ret == intel_dp->lane_count; > + return ret == crtc_state->lane_count; > } > > -static bool intel_dp_link_max_vswing_reached(struct intel_dp *intel_dp) > +static bool intel_dp_link_max_vswing_reached(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state) > { > int lane; > > - for (lane = 0; lane < intel_dp->lane_count; lane++) > + for (lane = 0; lane < crtc_state->lane_count; lane++) > if ((intel_dp->train_set[lane] & > DP_TRAIN_MAX_SWING_REACHED) == 0) > return false; > @@ -148,7 +155,8 @@ static bool intel_dp_link_max_vswing_reached(struct intel_dp *intel_dp) > > /* Enable corresponding port and start training pattern 1 */ > static bool > -intel_dp_link_training_clock_recovery(struct intel_dp *intel_dp) > +intel_dp_link_training_clock_recovery(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state) > { > struct drm_i915_private *i915 = dp_to_i915(intel_dp); > u8 voltage; > @@ -158,9 +166,9 @@ intel_dp_link_training_clock_recovery(struct intel_dp *intel_dp) > u8 link_bw, rate_select; > > if (intel_dp->prepare_link_retrain) > - intel_dp->prepare_link_retrain(intel_dp); > + intel_dp->prepare_link_retrain(intel_dp, crtc_state); > > - intel_dp_compute_rate(intel_dp, intel_dp->link_rate, > + intel_dp_compute_rate(intel_dp, crtc_state->port_clock, > &link_bw, &rate_select); > > if (link_bw) > @@ -172,7 +180,7 @@ intel_dp_link_training_clock_recovery(struct intel_dp *intel_dp) > > /* Write the link configuration data */ > link_config[0] = link_bw; > - link_config[1] = intel_dp->lane_count; > + link_config[1] = crtc_state->lane_count; > if (drm_dp_enhanced_frame_cap(intel_dp->dpcd)) > link_config[1] |= DP_LANE_COUNT_ENHANCED_FRAME_EN; > drm_dp_dpcd_write(&intel_dp->aux, DP_LINK_BW_SET, link_config, 2); > @@ -189,7 +197,7 @@ intel_dp_link_training_clock_recovery(struct intel_dp *intel_dp) > intel_dp->DP |= DP_PORT_EN; > > /* clock recovery */ > - if (!intel_dp_reset_link_train(intel_dp, > + if (!intel_dp_reset_link_train(intel_dp, crtc_state, > DP_TRAINING_PATTERN_1 | > DP_LINK_SCRAMBLING_DISABLE)) { > drm_err(&i915->drm, "failed to enable link training\n"); > @@ -220,7 +228,7 @@ intel_dp_link_training_clock_recovery(struct intel_dp *intel_dp) > return false; > } > > - if (drm_dp_clock_recovery_ok(link_status, intel_dp->lane_count)) { > + if (drm_dp_clock_recovery_ok(link_status, crtc_state->lane_count)) { > drm_dbg_kms(&i915->drm, "clock recovery OK\n"); > return true; > } > @@ -239,8 +247,8 @@ intel_dp_link_training_clock_recovery(struct intel_dp *intel_dp) > voltage = intel_dp->train_set[0] & DP_TRAIN_VOLTAGE_SWING_MASK; > > /* Update training set as requested by target */ > - intel_dp_get_adjust_train(intel_dp, link_status); > - if (!intel_dp_update_link_train(intel_dp)) { > + intel_dp_get_adjust_train(intel_dp, crtc_state, link_status); > + if (!intel_dp_update_link_train(intel_dp, crtc_state)) { > drm_err(&i915->drm, > "failed to update link training\n"); > return false; > @@ -252,7 +260,7 @@ intel_dp_link_training_clock_recovery(struct intel_dp *intel_dp) > else > voltage_tries = 1; > > - if (intel_dp_link_max_vswing_reached(intel_dp)) > + if (intel_dp_link_max_vswing_reached(intel_dp, crtc_state)) > max_vswing_reached = true; > > } > @@ -266,7 +274,8 @@ intel_dp_link_training_clock_recovery(struct intel_dp *intel_dp) > * or for 1.4 devices that support it, training Pattern 3 for HBR2 > * or 1.2 devices that support it, Training Pattern 2 otherwise. > */ > -static u32 intel_dp_training_pattern(struct intel_dp *intel_dp) > +static u32 intel_dp_training_pattern(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state) > { > bool source_tps3, sink_tps3, source_tps4, sink_tps4; > > @@ -280,7 +289,7 @@ static u32 intel_dp_training_pattern(struct intel_dp *intel_dp) > sink_tps4 = drm_dp_tps4_supported(intel_dp->dpcd); > if (source_tps4 && sink_tps4) { > return DP_TRAINING_PATTERN_4; > - } else if (intel_dp->link_rate == 810000) { > + } else if (crtc_state->port_clock == 810000) { > if (!source_tps4) > drm_dbg_kms(&dp_to_i915(intel_dp)->drm, > "8.1 Gbps link rate without source HBR3/TPS4 support\n"); > @@ -297,7 +306,7 @@ static u32 intel_dp_training_pattern(struct intel_dp *intel_dp) > sink_tps3 = drm_dp_tps3_supported(intel_dp->dpcd); > if (source_tps3 && sink_tps3) { > return DP_TRAINING_PATTERN_3; > - } else if (intel_dp->link_rate >= 540000) { > + } else if (crtc_state->port_clock >= 540000) { > if (!source_tps3) > drm_dbg_kms(&dp_to_i915(intel_dp)->drm, > ">=5.4/6.48 Gbps link rate without source HBR2/TPS3 support\n"); > @@ -310,7 +319,8 @@ static u32 intel_dp_training_pattern(struct intel_dp *intel_dp) > } > > static bool > -intel_dp_link_training_channel_equalization(struct intel_dp *intel_dp) > +intel_dp_link_training_channel_equalization(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state) > { > struct drm_i915_private *i915 = dp_to_i915(intel_dp); > int tries; > @@ -318,13 +328,13 @@ intel_dp_link_training_channel_equalization(struct intel_dp *intel_dp) > u8 link_status[DP_LINK_STATUS_SIZE]; > bool channel_eq = false; > > - training_pattern = intel_dp_training_pattern(intel_dp); > + training_pattern = intel_dp_training_pattern(intel_dp, crtc_state); > /* Scrambling is disabled for TPS2/3 and enabled for TPS4 */ > if (training_pattern != DP_TRAINING_PATTERN_4) > training_pattern |= DP_LINK_SCRAMBLING_DISABLE; > > /* channel equalization */ > - if (!intel_dp_set_link_train(intel_dp, > + if (!intel_dp_set_link_train(intel_dp, crtc_state, > training_pattern)) { > drm_err(&i915->drm, "failed to start channel equalization\n"); > return false; > @@ -341,7 +351,7 @@ intel_dp_link_training_channel_equalization(struct intel_dp *intel_dp) > > /* Make sure clock is still ok */ > if (!drm_dp_clock_recovery_ok(link_status, > - intel_dp->lane_count)) { > + crtc_state->lane_count)) { > intel_dp_dump_link_status(link_status); > drm_dbg_kms(&i915->drm, > "Clock recovery check failed, cannot " > @@ -350,7 +360,7 @@ intel_dp_link_training_channel_equalization(struct intel_dp *intel_dp) > } > > if (drm_dp_channel_eq_ok(link_status, > - intel_dp->lane_count)) { > + crtc_state->lane_count)) { > channel_eq = true; > drm_dbg_kms(&i915->drm, "Channel EQ done. DP Training " > "successful\n"); > @@ -358,8 +368,8 @@ intel_dp_link_training_channel_equalization(struct intel_dp *intel_dp) > } > > /* Update training set as requested by target */ > - intel_dp_get_adjust_train(intel_dp, link_status); > - if (!intel_dp_update_link_train(intel_dp)) { > + intel_dp_get_adjust_train(intel_dp, crtc_state, link_status); > + if (!intel_dp_update_link_train(intel_dp, crtc_state)) { > drm_err(&i915->drm, > "failed to update link training\n"); > break; > @@ -373,35 +383,37 @@ intel_dp_link_training_channel_equalization(struct intel_dp *intel_dp) > "Channel equalization failed 5 times\n"); > } > > - intel_dp_set_idle_link_train(intel_dp); > + intel_dp_set_idle_link_train(intel_dp, crtc_state); > > return channel_eq; > > } > > -void intel_dp_stop_link_train(struct intel_dp *intel_dp) > +void intel_dp_stop_link_train(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state) > { > intel_dp->link_trained = true; > > - intel_dp_set_link_train(intel_dp, > + intel_dp_set_link_train(intel_dp, crtc_state, > DP_TRAINING_PATTERN_DISABLE); > } > > void > -intel_dp_start_link_train(struct intel_dp *intel_dp) > +intel_dp_start_link_train(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state) > { > struct intel_connector *intel_connector = intel_dp->attached_connector; > > - if (!intel_dp_link_training_clock_recovery(intel_dp)) > + if (!intel_dp_link_training_clock_recovery(intel_dp, crtc_state)) > goto failure_handling; > - if (!intel_dp_link_training_channel_equalization(intel_dp)) > + if (!intel_dp_link_training_channel_equalization(intel_dp, crtc_state)) > goto failure_handling; > > drm_dbg_kms(&dp_to_i915(intel_dp)->drm, > "[CONNECTOR:%d:%s] Link Training Passed at Link Rate = %d, Lane count = %d", > intel_connector->base.base.id, > intel_connector->base.name, > - intel_dp->link_rate, intel_dp->lane_count); > + crtc_state->port_clock, crtc_state->lane_count); > return; > > failure_handling: > @@ -409,15 +421,15 @@ intel_dp_start_link_train(struct intel_dp *intel_dp) > "[CONNECTOR:%d:%s] Link Training failed at link rate = %d, lane count = %d", > intel_connector->base.base.id, > intel_connector->base.name, > - intel_dp->link_rate, intel_dp->lane_count); > + crtc_state->port_clock, crtc_state->lane_count); > > if (intel_dp->hobl_active) { > drm_dbg_kms(&dp_to_i915(intel_dp)->drm, > "Link Training failed with HOBL active, not enabling it from now on"); > intel_dp->hobl_failed = true; > } else if (intel_dp_get_link_train_fallback_values(intel_dp, > - intel_dp->link_rate, > - intel_dp->lane_count)) { > + crtc_state->port_clock, > + crtc_state->lane_count)) { > return; > } > > diff --git a/drivers/gpu/drm/i915/display/intel_dp_link_training.h b/drivers/gpu/drm/i915/display/intel_dp_link_training.h > index 01f1dabbb060..648a6d1f9fa2 100644 > --- a/drivers/gpu/drm/i915/display/intel_dp_link_training.h > +++ b/drivers/gpu/drm/i915/display/intel_dp_link_training.h > @@ -8,11 +8,15 @@ > > #include <drm/drm_dp_helper.h> > > +struct intel_crtc_state; > struct intel_dp; > > void intel_dp_get_adjust_train(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state, > const u8 link_status[DP_LINK_STATUS_SIZE]); > -void intel_dp_start_link_train(struct intel_dp *intel_dp); > -void intel_dp_stop_link_train(struct intel_dp *intel_dp); > +void intel_dp_start_link_train(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state); > +void intel_dp_stop_link_train(struct intel_dp *intel_dp, > + const struct intel_crtc_state *crtc_state); > > #endif /* __INTEL_DP_LINK_TRAINING_H__ */ > diff --git a/drivers/gpu/drm/i915/display/intel_dpio_phy.c b/drivers/gpu/drm/i915/display/intel_dpio_phy.c > index 7910522273b2..514c4a7adffc 100644 > --- a/drivers/gpu/drm/i915/display/intel_dpio_phy.c > +++ b/drivers/gpu/drm/i915/display/intel_dpio_phy.c > @@ -644,16 +644,16 @@ bxt_ddi_phy_get_lane_lat_optim_mask(struct intel_encoder *encoder) > return mask; > } > > - > void chv_set_phy_signal_level(struct intel_encoder *encoder, > + const struct intel_crtc_state *crtc_state, > u32 deemph_reg_value, u32 margin_reg_value, > bool uniq_trans_scale) > { > struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); > struct intel_digital_port *dig_port = enc_to_dig_port(encoder); > - struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc); > + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); > enum dpio_channel ch = vlv_dig_port_to_channel(dig_port); > - enum pipe pipe = intel_crtc->pipe; > + enum pipe pipe = crtc->pipe; > u32 val; > int i; > > @@ -666,7 +666,7 @@ void chv_set_phy_signal_level(struct intel_encoder *encoder, > val |= DPIO_PCS_TX1DEEMP_9P5 | DPIO_PCS_TX2DEEMP_9P5; > vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW10(ch), val); > > - if (intel_crtc->config->lane_count > 2) { > + if (crtc_state->lane_count > 2) { > val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW10(ch)); > val &= ~(DPIO_PCS_SWING_CALC_TX0_TX2 | DPIO_PCS_SWING_CALC_TX1_TX3); > val &= ~(DPIO_PCS_TX1DEEMP_MASK | DPIO_PCS_TX2DEEMP_MASK); > @@ -679,7 +679,7 @@ void chv_set_phy_signal_level(struct intel_encoder *encoder, > val |= DPIO_PCS_TX1MARGIN_000 | DPIO_PCS_TX2MARGIN_000; > vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW9(ch), val); > > - if (intel_crtc->config->lane_count > 2) { > + if (crtc_state->lane_count > 2) { > val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW9(ch)); > val &= ~(DPIO_PCS_TX1MARGIN_MASK | DPIO_PCS_TX2MARGIN_MASK); > val |= DPIO_PCS_TX1MARGIN_000 | DPIO_PCS_TX2MARGIN_000; > @@ -687,7 +687,7 @@ void chv_set_phy_signal_level(struct intel_encoder *encoder, > } > > /* Program swing deemph */ > - for (i = 0; i < intel_crtc->config->lane_count; i++) { > + for (i = 0; i < crtc_state->lane_count; i++) { > val = vlv_dpio_read(dev_priv, pipe, CHV_TX_DW4(ch, i)); > val &= ~DPIO_SWING_DEEMPH9P5_MASK; > val |= deemph_reg_value << DPIO_SWING_DEEMPH9P5_SHIFT; > @@ -695,7 +695,7 @@ void chv_set_phy_signal_level(struct intel_encoder *encoder, > } > > /* Program swing margin */ > - for (i = 0; i < intel_crtc->config->lane_count; i++) { > + for (i = 0; i < crtc_state->lane_count; i++) { > val = vlv_dpio_read(dev_priv, pipe, CHV_TX_DW2(ch, i)); > > val &= ~DPIO_SWING_MARGIN000_MASK; > @@ -718,7 +718,7 @@ void chv_set_phy_signal_level(struct intel_encoder *encoder, > * For now, for this unique transition scale selection, set bit > * 27 for ch0 and ch1. > */ > - for (i = 0; i < intel_crtc->config->lane_count; i++) { > + for (i = 0; i < crtc_state->lane_count; i++) { > val = vlv_dpio_read(dev_priv, pipe, CHV_TX_DW3(ch, i)); > if (uniq_trans_scale) > val |= DPIO_TX_UNIQ_TRANS_SCALE_EN; > @@ -732,7 +732,7 @@ void chv_set_phy_signal_level(struct intel_encoder *encoder, > val |= DPIO_PCS_SWING_CALC_TX0_TX2 | DPIO_PCS_SWING_CALC_TX1_TX3; > vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW10(ch), val); > > - if (intel_crtc->config->lane_count > 2) { > + if (crtc_state->lane_count > 2) { > val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW10(ch)); > val |= DPIO_PCS_SWING_CALC_TX0_TX2 | DPIO_PCS_SWING_CALC_TX1_TX3; > vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW10(ch), val); > @@ -992,14 +992,15 @@ void chv_phy_post_pll_disable(struct intel_encoder *encoder, > } > > void vlv_set_phy_signal_level(struct intel_encoder *encoder, > + const struct intel_crtc_state *crtc_state, > u32 demph_reg_value, u32 preemph_reg_value, > u32 uniqtranscale_reg_value, u32 tx3_demph) > { > struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); > - struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc); > struct intel_digital_port *dig_port = enc_to_dig_port(encoder); > + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); > enum dpio_channel port = vlv_dig_port_to_channel(dig_port); > - enum pipe pipe = intel_crtc->pipe; > + enum pipe pipe = crtc->pipe; > > vlv_dpio_get(dev_priv); > > diff --git a/drivers/gpu/drm/i915/display/intel_dpio_phy.h b/drivers/gpu/drm/i915/display/intel_dpio_phy.h > index f418aab90b7e..6473440e7457 100644 > --- a/drivers/gpu/drm/i915/display/intel_dpio_phy.h > +++ b/drivers/gpu/drm/i915/display/intel_dpio_phy.h > @@ -32,6 +32,7 @@ void bxt_ddi_phy_set_lane_optim_mask(struct intel_encoder *encoder, > u8 bxt_ddi_phy_get_lane_lat_optim_mask(struct intel_encoder *encoder); > > void chv_set_phy_signal_level(struct intel_encoder *encoder, > + const struct intel_crtc_state *crtc_state, > u32 deemph_reg_value, u32 margin_reg_value, > bool uniq_trans_scale); > void chv_data_lane_soft_reset(struct intel_encoder *encoder, > @@ -46,6 +47,7 @@ void chv_phy_post_pll_disable(struct intel_encoder *encoder, > const struct intel_crtc_state *old_crtc_state); > > void vlv_set_phy_signal_level(struct intel_encoder *encoder, > + const struct intel_crtc_state *crtc_state, > u32 demph_reg_value, u32 preemph_reg_value, > u32 uniqtranscale_reg_value, u32 tx3_demph); > void vlv_phy_pre_pll_enable(struct intel_encoder *encoder, > diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c > index 3f2008d845c2..414a46a6b5f3 100644 > --- a/drivers/gpu/drm/i915/display/intel_hdmi.c > +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c > @@ -2775,8 +2775,9 @@ static void vlv_hdmi_pre_enable(struct intel_atomic_state *state, > vlv_phy_pre_encoder_enable(encoder, pipe_config); > > /* HDMI 1.0V-2dB */ > - vlv_set_phy_signal_level(encoder, 0x2b245f5f, 0x00002000, 0x5578b83a, > - 0x2b247878); > + vlv_set_phy_signal_level(encoder, pipe_config, > + 0x2b245f5f, 0x00002000, > + 0x5578b83a, 0x2b247878); > > dig_port->set_infoframes(encoder, > pipe_config->has_infoframe, > @@ -2853,7 +2854,7 @@ static void chv_hdmi_pre_enable(struct intel_atomic_state *state, > > /* FIXME: Program the support xxx V-dB */ > /* Use 800mV-0dB */ > - chv_set_phy_signal_level(encoder, 128, 102, false); > + chv_set_phy_signal_level(encoder, pipe_config, 128, 102, false); > > dig_port->set_infoframes(encoder, > pipe_config->has_infoframe, > -- > 2.26.2 > > _______________________________________________ > 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