diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_ddi.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_ddi.c | 469 |
1 files changed, 282 insertions, 187 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index 7925a176f900..8eb2b3ec01ed 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -32,10 +32,10 @@ #include "intel_combo_phy.h" #include "intel_connector.h" #include "intel_ddi.h" +#include "intel_display_types.h" #include "intel_dp.h" #include "intel_dp_link_training.h" #include "intel_dpio_phy.h" -#include "intel_drv.h" #include "intel_dsi.h" #include "intel_fifo_underrun.h" #include "intel_gmbus.h" @@ -45,6 +45,7 @@ #include "intel_lspcon.h" #include "intel_panel.h" #include "intel_psr.h" +#include "intel_tc.h" #include "intel_vdsc.h" struct ddi_buf_trans { @@ -846,8 +847,8 @@ cnl_get_buf_trans_edp(struct drm_i915_private *dev_priv, int *n_entries) } static const struct cnl_ddi_buf_trans * -icl_get_combo_buf_trans(struct drm_i915_private *dev_priv, enum port port, - int type, int rate, int *n_entries) +icl_get_combo_buf_trans(struct drm_i915_private *dev_priv, int type, int rate, + int *n_entries) { if (type == INTEL_OUTPUT_HDMI) { *n_entries = ARRAY_SIZE(icl_combo_phy_ddi_translations_hdmi); @@ -867,12 +868,13 @@ icl_get_combo_buf_trans(struct drm_i915_private *dev_priv, enum port port, static int intel_ddi_hdmi_level(struct drm_i915_private *dev_priv, enum port port) { int n_entries, level, default_entry; + enum phy phy = intel_port_to_phy(dev_priv, port); level = dev_priv->vbt.ddi_port_info[port].hdmi_level_shift; if (INTEL_GEN(dev_priv) >= 11) { - if (intel_port_is_combophy(dev_priv, port)) - icl_get_combo_buf_trans(dev_priv, port, INTEL_OUTPUT_HDMI, + if (intel_phy_is_combo(dev_priv, phy)) + icl_get_combo_buf_trans(dev_priv, INTEL_OUTPUT_HDMI, 0, &n_entries); else n_entries = ARRAY_SIZE(icl_mg_phy_ddi_translations); @@ -1465,8 +1467,8 @@ static void ddi_dotclock_get(struct intel_crtc_state *pipe_config) else if (intel_crtc_has_dp_encoder(pipe_config)) dotclock = intel_dotclock_calculate(pipe_config->port_clock, &pipe_config->dp_m_n); - else if (pipe_config->has_hdmi_sink && pipe_config->pipe_bpp == 36) - dotclock = pipe_config->port_clock * 2 / 3; + else if (pipe_config->has_hdmi_sink && pipe_config->pipe_bpp > 24) + dotclock = pipe_config->port_clock * 24 / pipe_config->pipe_bpp; else dotclock = pipe_config->port_clock; @@ -1486,9 +1488,10 @@ static void icl_ddi_clock_get(struct intel_encoder *encoder, struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); struct intel_dpll_hw_state *pll_state = &pipe_config->dpll_hw_state; enum port port = encoder->port; + enum phy phy = intel_port_to_phy(dev_priv, port); int link_clock; - if (intel_port_is_combophy(dev_priv, port)) { + if (intel_phy_is_combo(dev_priv, phy)) { link_clock = cnl_calc_wrpll_link(dev_priv, pll_state); } else { enum intel_dpll_id pll_id = intel_get_shared_dpll_id(dev_priv, @@ -1770,7 +1773,10 @@ void intel_ddi_enable_transcoder_func(const struct intel_crtc_state *crtc_state) /* Enable TRANS_DDI_FUNC_CTL for the pipe to work in HDMI mode */ temp = TRANS_DDI_FUNC_ENABLE; - temp |= TRANS_DDI_SELECT_PORT(port); + if (INTEL_GEN(dev_priv) >= 12) + temp |= TGL_TRANS_DDI_SELECT_PORT(port); + else + temp |= TRANS_DDI_SELECT_PORT(port); switch (crtc_state->pipe_bpp) { case 18: @@ -1850,8 +1856,13 @@ void intel_ddi_disable_transcoder_func(const struct intel_crtc_state *crtc_state i915_reg_t reg = TRANS_DDI_FUNC_CTL(cpu_transcoder); u32 val = I915_READ(reg); - val &= ~(TRANS_DDI_FUNC_ENABLE | TRANS_DDI_PORT_MASK | TRANS_DDI_DP_VC_PAYLOAD_ALLOC); - val |= TRANS_DDI_PORT_NONE; + if (INTEL_GEN(dev_priv) >= 12) { + val &= ~(TRANS_DDI_FUNC_ENABLE | TGL_TRANS_DDI_PORT_MASK | + TRANS_DDI_DP_VC_PAYLOAD_ALLOC); + } else { + val &= ~(TRANS_DDI_FUNC_ENABLE | TRANS_DDI_PORT_MASK | + TRANS_DDI_DP_VC_PAYLOAD_ALLOC); + } I915_WRITE(reg, val); if (dev_priv->quirks & QUIRK_INCREASE_DDI_DISABLED_TIME && @@ -2003,10 +2014,27 @@ static void intel_ddi_get_encoder_pipes(struct intel_encoder *encoder, mst_pipe_mask = 0; for_each_pipe(dev_priv, p) { enum transcoder cpu_transcoder = (enum transcoder)p; + unsigned int port_mask, ddi_select; + intel_wakeref_t trans_wakeref; + + trans_wakeref = intel_display_power_get_if_enabled(dev_priv, + POWER_DOMAIN_TRANSCODER(cpu_transcoder)); + if (!trans_wakeref) + continue; + + if (INTEL_GEN(dev_priv) >= 12) { + port_mask = TGL_TRANS_DDI_PORT_MASK; + ddi_select = TGL_TRANS_DDI_SELECT_PORT(port); + } else { + port_mask = TRANS_DDI_PORT_MASK; + ddi_select = TRANS_DDI_SELECT_PORT(port); + } tmp = I915_READ(TRANS_DDI_FUNC_CTL(cpu_transcoder)); + intel_display_power_put(dev_priv, POWER_DOMAIN_TRANSCODER(cpu_transcoder), + trans_wakeref); - if ((tmp & TRANS_DDI_PORT_MASK) != TRANS_DDI_SELECT_PORT(port)) + if ((tmp & port_mask) != ddi_select) continue; if ((tmp & TRANS_DDI_MODE_SELECT_MASK) == @@ -2085,6 +2113,7 @@ static void intel_ddi_get_power_domains(struct intel_encoder *encoder, { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); struct intel_digital_port *dig_port; + enum phy phy = intel_port_to_phy(dev_priv, encoder->port); /* * TODO: Add support for MST encoders. Atm, the following should never @@ -2102,7 +2131,7 @@ static void intel_ddi_get_power_domains(struct intel_encoder *encoder, * ports. */ if (intel_crtc_has_dp_encoder(crtc_state) || - intel_port_is_tc(dev_priv, encoder->port)) + intel_phy_is_tc(dev_priv, phy)) intel_display_power_get(dev_priv, intel_ddi_main_link_aux_domain(dig_port)); @@ -2122,9 +2151,14 @@ void intel_ddi_enable_pipe_clock(const struct intel_crtc_state *crtc_state) enum port port = encoder->port; enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; - if (cpu_transcoder != TRANSCODER_EDP) - I915_WRITE(TRANS_CLK_SEL(cpu_transcoder), - TRANS_CLK_SEL_PORT(port)); + if (cpu_transcoder != TRANSCODER_EDP) { + if (INTEL_GEN(dev_priv) >= 12) + I915_WRITE(TRANS_CLK_SEL(cpu_transcoder), + TGL_TRANS_CLK_SEL_PORT(port)); + else + I915_WRITE(TRANS_CLK_SEL(cpu_transcoder), + TRANS_CLK_SEL_PORT(port)); + } } void intel_ddi_disable_pipe_clock(const struct intel_crtc_state *crtc_state) @@ -2132,9 +2166,14 @@ void intel_ddi_disable_pipe_clock(const struct intel_crtc_state *crtc_state) struct drm_i915_private *dev_priv = to_i915(crtc_state->base.crtc->dev); enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; - if (cpu_transcoder != TRANSCODER_EDP) - I915_WRITE(TRANS_CLK_SEL(cpu_transcoder), - TRANS_CLK_SEL_DISABLED); + if (cpu_transcoder != TRANSCODER_EDP) { + if (INTEL_GEN(dev_priv) >= 12) + I915_WRITE(TRANS_CLK_SEL(cpu_transcoder), + TGL_TRANS_CLK_SEL_DISABLED); + else + I915_WRITE(TRANS_CLK_SEL(cpu_transcoder), + TRANS_CLK_SEL_DISABLED); + } } static void _skl_ddi_set_iboost(struct drm_i915_private *dev_priv, @@ -2227,11 +2266,12 @@ u8 intel_ddi_dp_voltage_max(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->base); enum port port = encoder->port; + enum phy phy = intel_port_to_phy(dev_priv, port); int n_entries; if (INTEL_GEN(dev_priv) >= 11) { - if (intel_port_is_combophy(dev_priv, port)) - icl_get_combo_buf_trans(dev_priv, port, encoder->type, + if (intel_phy_is_combo(dev_priv, phy)) + icl_get_combo_buf_trans(dev_priv, encoder->type, intel_dp->link_rate, &n_entries); else n_entries = ARRAY_SIZE(icl_mg_phy_ddi_translations); @@ -2413,15 +2453,15 @@ static void cnl_ddi_vswing_sequence(struct intel_encoder *encoder, } static void icl_ddi_combo_vswing_program(struct drm_i915_private *dev_priv, - u32 level, enum port port, int type, + u32 level, enum phy phy, int type, int rate) { const struct cnl_ddi_buf_trans *ddi_translations = NULL; u32 n_entries, val; int ln; - ddi_translations = icl_get_combo_buf_trans(dev_priv, port, type, - rate, &n_entries); + ddi_translations = icl_get_combo_buf_trans(dev_priv, type, rate, + &n_entries); if (!ddi_translations) return; @@ -2431,41 +2471,41 @@ static void icl_ddi_combo_vswing_program(struct drm_i915_private *dev_priv, } /* Set PORT_TX_DW5 */ - val = I915_READ(ICL_PORT_TX_DW5_LN0(port)); + val = I915_READ(ICL_PORT_TX_DW5_LN0(phy)); val &= ~(SCALING_MODE_SEL_MASK | RTERM_SELECT_MASK | TAP2_DISABLE | TAP3_DISABLE); val |= SCALING_MODE_SEL(0x2); val |= RTERM_SELECT(0x6); val |= TAP3_DISABLE; - I915_WRITE(ICL_PORT_TX_DW5_GRP(port), val); + I915_WRITE(ICL_PORT_TX_DW5_GRP(phy), val); /* Program PORT_TX_DW2 */ - val = I915_READ(ICL_PORT_TX_DW2_LN0(port)); + val = I915_READ(ICL_PORT_TX_DW2_LN0(phy)); val &= ~(SWING_SEL_LOWER_MASK | SWING_SEL_UPPER_MASK | RCOMP_SCALAR_MASK); val |= SWING_SEL_UPPER(ddi_translations[level].dw2_swing_sel); val |= SWING_SEL_LOWER(ddi_translations[level].dw2_swing_sel); /* Program Rcomp scalar for every table entry */ val |= RCOMP_SCALAR(0x98); - I915_WRITE(ICL_PORT_TX_DW2_GRP(port), val); + I915_WRITE(ICL_PORT_TX_DW2_GRP(phy), val); /* Program PORT_TX_DW4 */ /* We cannot write to GRP. It would overwrite individual loadgen. */ for (ln = 0; ln <= 3; ln++) { - val = I915_READ(ICL_PORT_TX_DW4_LN(ln, port)); + val = I915_READ(ICL_PORT_TX_DW4_LN(ln, phy)); val &= ~(POST_CURSOR_1_MASK | POST_CURSOR_2_MASK | CURSOR_COEFF_MASK); val |= POST_CURSOR_1(ddi_translations[level].dw4_post_cursor_1); val |= POST_CURSOR_2(ddi_translations[level].dw4_post_cursor_2); val |= CURSOR_COEFF(ddi_translations[level].dw4_cursor_coeff); - I915_WRITE(ICL_PORT_TX_DW4_LN(ln, port), val); + I915_WRITE(ICL_PORT_TX_DW4_LN(ln, phy), val); } /* Program PORT_TX_DW7 */ - val = I915_READ(ICL_PORT_TX_DW7_LN0(port)); + val = I915_READ(ICL_PORT_TX_DW7_LN0(phy)); val &= ~N_SCALAR_MASK; val |= N_SCALAR(ddi_translations[level].dw7_n_scalar); - I915_WRITE(ICL_PORT_TX_DW7_GRP(port), val); + I915_WRITE(ICL_PORT_TX_DW7_GRP(phy), val); } static void icl_combo_phy_ddi_vswing_sequence(struct intel_encoder *encoder, @@ -2473,7 +2513,7 @@ static void icl_combo_phy_ddi_vswing_sequence(struct intel_encoder *encoder, enum intel_output_type type) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - enum port port = encoder->port; + enum phy phy = intel_port_to_phy(dev_priv, encoder->port); int width = 0; int rate = 0; u32 val; @@ -2494,12 +2534,12 @@ static void icl_combo_phy_ddi_vswing_sequence(struct intel_encoder *encoder, * set PORT_PCS_DW1 cmnkeeper_enable to 1b, * else clear to 0b. */ - val = I915_READ(ICL_PORT_PCS_DW1_LN0(port)); + val = I915_READ(ICL_PORT_PCS_DW1_LN0(phy)); if (type == INTEL_OUTPUT_HDMI) val &= ~COMMON_KEEPER_EN; else val |= COMMON_KEEPER_EN; - I915_WRITE(ICL_PORT_PCS_DW1_GRP(port), val); + I915_WRITE(ICL_PORT_PCS_DW1_GRP(phy), val); /* 2. Program loadgen select */ /* @@ -2509,33 +2549,33 @@ static void icl_combo_phy_ddi_vswing_sequence(struct intel_encoder *encoder, * > 6 GHz (LN0=0, LN1=0, LN2=0, LN3=0) */ for (ln = 0; ln <= 3; ln++) { - val = I915_READ(ICL_PORT_TX_DW4_LN(ln, port)); + val = I915_READ(ICL_PORT_TX_DW4_LN(ln, phy)); val &= ~LOADGEN_SELECT; if ((rate <= 600000 && width == 4 && ln >= 1) || (rate <= 600000 && width < 4 && (ln == 1 || ln == 2))) { val |= LOADGEN_SELECT; } - I915_WRITE(ICL_PORT_TX_DW4_LN(ln, port), val); + I915_WRITE(ICL_PORT_TX_DW4_LN(ln, phy), val); } /* 3. Set PORT_CL_DW5 SUS Clock Config to 11b */ - val = I915_READ(ICL_PORT_CL_DW5(port)); + val = I915_READ(ICL_PORT_CL_DW5(phy)); val |= SUS_CLOCK_CONFIG; - I915_WRITE(ICL_PORT_CL_DW5(port), val); + I915_WRITE(ICL_PORT_CL_DW5(phy), val); /* 4. Clear training enable to change swing values */ - val = I915_READ(ICL_PORT_TX_DW5_LN0(port)); + val = I915_READ(ICL_PORT_TX_DW5_LN0(phy)); val &= ~TX_TRAINING_EN; - I915_WRITE(ICL_PORT_TX_DW5_GRP(port), val); + I915_WRITE(ICL_PORT_TX_DW5_GRP(phy), val); /* 5. Program swing and de-emphasis */ - icl_ddi_combo_vswing_program(dev_priv, level, port, type, rate); + icl_ddi_combo_vswing_program(dev_priv, level, phy, type, rate); /* 6. Set training enable to trigger update */ - val = I915_READ(ICL_PORT_TX_DW5_LN0(port)); + val = I915_READ(ICL_PORT_TX_DW5_LN0(phy)); val |= TX_TRAINING_EN; - I915_WRITE(ICL_PORT_TX_DW5_GRP(port), val); + I915_WRITE(ICL_PORT_TX_DW5_GRP(phy), val); } static void icl_mg_phy_ddi_vswing_sequence(struct intel_encoder *encoder, @@ -2663,9 +2703,9 @@ static void icl_ddi_vswing_sequence(struct intel_encoder *encoder, enum intel_output_type type) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - enum port port = encoder->port; + enum phy phy = intel_port_to_phy(dev_priv, encoder->port); - if (intel_port_is_combophy(dev_priv, port)) + if (intel_phy_is_combo(dev_priv, phy)) icl_combo_phy_ddi_vswing_sequence(encoder, level, type); else icl_mg_phy_ddi_vswing_sequence(encoder, link_clock, level); @@ -2728,12 +2768,13 @@ u32 ddi_signal_levels(struct intel_dp *intel_dp) static inline u32 icl_dpclka_cfgcr0_clk_off(struct drm_i915_private *dev_priv, - enum port port) + enum phy phy) { - if (intel_port_is_combophy(dev_priv, port)) { - return ICL_DPCLKA_CFGCR0_DDI_CLK_OFF(port); - } else if (intel_port_is_tc(dev_priv, port)) { - enum tc_port tc_port = intel_port_to_tc(dev_priv, port); + if (intel_phy_is_combo(dev_priv, phy)) { + return ICL_DPCLKA_CFGCR0_DDI_CLK_OFF(phy); + } else if (intel_phy_is_tc(dev_priv, phy)) { + enum tc_port tc_port = intel_port_to_tc(dev_priv, + (enum port)phy); return ICL_DPCLKA_CFGCR0_TC_CLK_OFF(tc_port); } @@ -2746,23 +2787,33 @@ static void icl_map_plls_to_ports(struct intel_encoder *encoder, { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); struct intel_shared_dpll *pll = crtc_state->shared_dpll; - enum port port = encoder->port; + enum phy phy = intel_port_to_phy(dev_priv, encoder->port); u32 val; mutex_lock(&dev_priv->dpll_lock); - val = I915_READ(DPCLKA_CFGCR0_ICL); - WARN_ON((val & icl_dpclka_cfgcr0_clk_off(dev_priv, port)) == 0); + val = I915_READ(ICL_DPCLKA_CFGCR0); + WARN_ON((val & icl_dpclka_cfgcr0_clk_off(dev_priv, phy)) == 0); - if (intel_port_is_combophy(dev_priv, port)) { - val &= ~DPCLKA_CFGCR0_DDI_CLK_SEL_MASK(port); - val |= DPCLKA_CFGCR0_DDI_CLK_SEL(pll->info->id, port); - I915_WRITE(DPCLKA_CFGCR0_ICL, val); - POSTING_READ(DPCLKA_CFGCR0_ICL); + if (intel_phy_is_combo(dev_priv, phy)) { + /* + * Even though this register references DDIs, note that we + * want to pass the PHY rather than the port (DDI). For + * ICL, port=phy in all cases so it doesn't matter, but for + * EHL the bspec notes the following: + * + * "DDID clock tied to DDIA clock, so DPCLKA_CFGCR0 DDIA + * Clock Select chooses the PLL for both DDIA and DDID and + * drives port A in all cases." + */ + val &= ~ICL_DPCLKA_CFGCR0_DDI_CLK_SEL_MASK(phy); + val |= ICL_DPCLKA_CFGCR0_DDI_CLK_SEL(pll->info->id, phy); + I915_WRITE(ICL_DPCLKA_CFGCR0, val); + POSTING_READ(ICL_DPCLKA_CFGCR0); } - val &= ~icl_dpclka_cfgcr0_clk_off(dev_priv, port); - I915_WRITE(DPCLKA_CFGCR0_ICL, val); + val &= ~icl_dpclka_cfgcr0_clk_off(dev_priv, phy); + I915_WRITE(ICL_DPCLKA_CFGCR0, val); mutex_unlock(&dev_priv->dpll_lock); } @@ -2770,14 +2821,14 @@ static void icl_map_plls_to_ports(struct intel_encoder *encoder, static void icl_unmap_plls_to_ports(struct intel_encoder *encoder) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - enum port port = encoder->port; + enum phy phy = intel_port_to_phy(dev_priv, encoder->port); u32 val; mutex_lock(&dev_priv->dpll_lock); - val = I915_READ(DPCLKA_CFGCR0_ICL); - val |= icl_dpclka_cfgcr0_clk_off(dev_priv, port); - I915_WRITE(DPCLKA_CFGCR0_ICL, val); + val = I915_READ(ICL_DPCLKA_CFGCR0); + val |= icl_dpclka_cfgcr0_clk_off(dev_priv, phy); + I915_WRITE(ICL_DPCLKA_CFGCR0, val); mutex_unlock(&dev_priv->dpll_lock); } @@ -2835,11 +2886,13 @@ void icl_sanitize_encoder_pll_mapping(struct intel_encoder *encoder) ddi_clk_needed = false; } - val = I915_READ(DPCLKA_CFGCR0_ICL); + val = I915_READ(ICL_DPCLKA_CFGCR0); for_each_port_masked(port, port_mask) { + enum phy phy = intel_port_to_phy(dev_priv, port); + bool ddi_clk_ungated = !(val & icl_dpclka_cfgcr0_clk_off(dev_priv, - port)); + phy)); if (ddi_clk_needed == ddi_clk_ungated) continue; @@ -2851,10 +2904,10 @@ void icl_sanitize_encoder_pll_mapping(struct intel_encoder *encoder) if (WARN_ON(ddi_clk_needed)) continue; - DRM_NOTE("Port %c is disabled/in DSI mode with an ungated DDI clock, gate it\n", - port_name(port)); - val |= icl_dpclka_cfgcr0_clk_off(dev_priv, port); - I915_WRITE(DPCLKA_CFGCR0_ICL, val); + DRM_NOTE("PHY %c is disabled/in DSI mode with an ungated DDI clock, gate it\n", + phy_name(port)); + val |= icl_dpclka_cfgcr0_clk_off(dev_priv, phy); + I915_WRITE(ICL_DPCLKA_CFGCR0, val); } } @@ -2863,6 +2916,7 @@ static void intel_ddi_clk_select(struct intel_encoder *encoder, { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); enum port port = encoder->port; + enum phy phy = intel_port_to_phy(dev_priv, port); u32 val; const struct intel_shared_dpll *pll = crtc_state->shared_dpll; @@ -2872,9 +2926,15 @@ static void intel_ddi_clk_select(struct intel_encoder *encoder, mutex_lock(&dev_priv->dpll_lock); if (INTEL_GEN(dev_priv) >= 11) { - if (!intel_port_is_combophy(dev_priv, port)) + if (!intel_phy_is_combo(dev_priv, phy)) I915_WRITE(DDI_CLK_SEL(port), icl_pll_to_ddi_clk_sel(encoder, crtc_state)); + else if (IS_ELKHARTLAKE(dev_priv) && port >= PORT_C) + /* + * MG does not exist but the programming is required + * to ungate DDIC and DDID + */ + I915_WRITE(DDI_CLK_SEL(port), DDI_CLK_SEL_MG); } else if (IS_CANNONLAKE(dev_priv)) { /* Configure DPCLKA_CFGCR0 to map the DPLL to the DDI. */ val = I915_READ(DPCLKA_CFGCR0); @@ -2912,9 +2972,11 @@ static void intel_ddi_clk_disable(struct intel_encoder *encoder) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); enum port port = encoder->port; + enum phy phy = intel_port_to_phy(dev_priv, port); if (INTEL_GEN(dev_priv) >= 11) { - if (!intel_port_is_combophy(dev_priv, port)) + if (!intel_phy_is_combo(dev_priv, phy) || + (IS_ELKHARTLAKE(dev_priv) && port >= PORT_C)) I915_WRITE(DDI_CLK_SEL(port), DDI_CLK_SEL_NONE); } else if (IS_CANNONLAKE(dev_priv)) { I915_WRITE(DPCLKA_CFGCR0, I915_READ(DPCLKA_CFGCR0) | @@ -2995,25 +3057,22 @@ static void icl_program_mg_dp_mode(struct intel_digital_port *intel_dig_port) { struct drm_i915_private *dev_priv = to_i915(intel_dig_port->base.base.dev); enum port port = intel_dig_port->base.port; - enum tc_port tc_port = intel_port_to_tc(dev_priv, port); - u32 ln0, ln1, lane_info; + u32 ln0, ln1, lane_mask; - if (tc_port == PORT_TC_NONE || intel_dig_port->tc_type == TC_PORT_TBT) + if (intel_dig_port->tc_mode == TC_PORT_TBT_ALT) return; ln0 = I915_READ(MG_DP_MODE(0, port)); ln1 = I915_READ(MG_DP_MODE(1, port)); - switch (intel_dig_port->tc_type) { - case TC_PORT_TYPEC: + switch (intel_dig_port->tc_mode) { + case TC_PORT_DP_ALT: ln0 &= ~(MG_DP_MODE_CFG_DP_X1_MODE | MG_DP_MODE_CFG_DP_X2_MODE); ln1 &= ~(MG_DP_MODE_CFG_DP_X1_MODE | MG_DP_MODE_CFG_DP_X2_MODE); - lane_info = (I915_READ(PORT_TX_DFLEXDPSP) & - DP_LANE_ASSIGNMENT_MASK(tc_port)) >> - DP_LANE_ASSIGNMENT_SHIFT(tc_port); + lane_mask = intel_tc_port_get_lane_mask(intel_dig_port); - switch (lane_info) { + switch (lane_mask) { case 0x1: case 0x4: break; @@ -3038,7 +3097,7 @@ static void icl_program_mg_dp_mode(struct intel_digital_port *intel_dig_port) MG_DP_MODE_CFG_DP_X2_MODE; break; default: - MISSING_CASE(lane_info); + MISSING_CASE(lane_mask); } break; @@ -3048,7 +3107,7 @@ static void icl_program_mg_dp_mode(struct intel_digital_port *intel_dig_port) break; default: - MISSING_CASE(intel_dig_port->tc_type); + MISSING_CASE(intel_dig_port->tc_mode); return; } @@ -3080,10 +3139,8 @@ static void intel_ddi_enable_fec(struct intel_encoder *encoder, val |= DP_TP_CTL_FEC_ENABLE; I915_WRITE(DP_TP_CTL(port), val); - if (intel_wait_for_register(&dev_priv->uncore, DP_TP_STATUS(port), - DP_TP_STATUS_FEC_ENABLE_LIVE, - DP_TP_STATUS_FEC_ENABLE_LIVE, - 1)) + if (intel_de_wait_for_set(dev_priv, DP_TP_STATUS(port), + DP_TP_STATUS_FEC_ENABLE_LIVE, 1)) DRM_ERROR("Timed out waiting for FEC Enable Status\n"); } @@ -3110,6 +3167,7 @@ static void intel_ddi_pre_enable_dp(struct intel_encoder *encoder, struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base); struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); enum port port = encoder->port; + enum phy phy = intel_port_to_phy(dev_priv, port); struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base); bool is_mst = intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST); int level = intel_ddi_dp_level(intel_dp); @@ -3123,7 +3181,10 @@ static void intel_ddi_pre_enable_dp(struct intel_encoder *encoder, intel_ddi_clk_select(encoder, crtc_state); - intel_display_power_get(dev_priv, dig_port->ddi_io_power_domain); + if (!intel_phy_is_tc(dev_priv, phy) || + dig_port->tc_mode != TC_PORT_TBT_ALT) + intel_display_power_get(dev_priv, + dig_port->ddi_io_power_domain); icl_program_mg_dp_mode(dig_port); icl_disable_phy_clock_gating(dig_port); @@ -3138,11 +3199,11 @@ static void intel_ddi_pre_enable_dp(struct intel_encoder *encoder, else intel_prepare_dp_ddi_buffers(encoder, crtc_state); - if (intel_port_is_combophy(dev_priv, port)) { + if (intel_phy_is_combo(dev_priv, phy)) { bool lane_reversal = dig_port->saved_port_bits & DDI_BUF_PORT_REVERSAL; - intel_combo_phy_power_up_lanes(dev_priv, port, false, + intel_combo_phy_power_up_lanes(dev_priv, phy, false, crtc_state->lane_count, lane_reversal); } @@ -3290,6 +3351,7 @@ static void intel_ddi_post_disable_dp(struct intel_encoder *encoder, struct intel_dp *intel_dp = &dig_port->dp; bool is_mst = intel_crtc_has_type(old_crtc_state, INTEL_OUTPUT_DP_MST); + enum phy phy = intel_port_to_phy(dev_priv, encoder->port); if (!is_mst) { intel_ddi_disable_pipe_clock(old_crtc_state); @@ -3305,8 +3367,10 @@ static void intel_ddi_post_disable_dp(struct intel_encoder *encoder, intel_edp_panel_vdd_on(intel_dp); intel_edp_panel_off(intel_dp); - intel_display_power_put_unchecked(dev_priv, - dig_port->ddi_io_power_domain); + if (!intel_phy_is_tc(dev_priv, phy) || + dig_port->tc_mode != TC_PORT_TBT_ALT) + intel_display_power_put_unchecked(dev_priv, + dig_port->ddi_io_power_domain); intel_ddi_clk_disable(encoder); } @@ -3511,7 +3575,8 @@ static void intel_enable_ddi(struct intel_encoder *encoder, /* Enable hdcp if it's desired */ if (conn_state->content_protection == DRM_MODE_CONTENT_PROTECTION_DESIRED) - intel_hdcp_enable(to_intel_connector(conn_state->connector)); + intel_hdcp_enable(to_intel_connector(conn_state->connector), + (u8)conn_state->hdcp_content_type); } static void intel_disable_ddi_dp(struct intel_encoder *encoder, @@ -3580,44 +3645,65 @@ static void intel_ddi_update_pipe(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state, const struct drm_connector_state *conn_state) { + struct intel_connector *connector = + to_intel_connector(conn_state->connector); + struct intel_hdcp *hdcp = &connector->hdcp; + bool content_protection_type_changed = + (conn_state->hdcp_content_type != hdcp->content_type && + conn_state->content_protection != + DRM_MODE_CONTENT_PROTECTION_UNDESIRED); + if (!intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) intel_ddi_update_pipe_dp(encoder, crtc_state, conn_state); + /* + * During the HDCP encryption session if Type change is requested, + * disable the HDCP and reenable it with new TYPE value. + */ if (conn_state->content_protection == - DRM_MODE_CONTENT_PROTECTION_DESIRED) - intel_hdcp_enable(to_intel_connector(conn_state->connector)); - else if (conn_state->content_protection == - DRM_MODE_CONTENT_PROTECTION_UNDESIRED) - intel_hdcp_disable(to_intel_connector(conn_state->connector)); + DRM_MODE_CONTENT_PROTECTION_UNDESIRED || + content_protection_type_changed) + intel_hdcp_disable(connector); + + /* + * Mark the hdcp state as DESIRED after the hdcp disable of type + * change procedure. + */ + if (content_protection_type_changed) { + mutex_lock(&hdcp->mutex); + hdcp->value = DRM_MODE_CONTENT_PROTECTION_DESIRED; + schedule_work(&hdcp->prop_work); + mutex_unlock(&hdcp->mutex); + } + + if (conn_state->content_protection == + DRM_MODE_CONTENT_PROTECTION_DESIRED || + content_protection_type_changed) + intel_hdcp_enable(connector, (u8)conn_state->hdcp_content_type); } -static void intel_ddi_set_fia_lane_count(struct intel_encoder *encoder, - const struct intel_crtc_state *pipe_config, - enum port port) +static void +intel_ddi_update_prepare(struct intel_atomic_state *state, + struct intel_encoder *encoder, + struct intel_crtc *crtc) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base); - enum tc_port tc_port = intel_port_to_tc(dev_priv, port); - u32 val = I915_READ(PORT_TX_DFLEXDPMLE1); - bool lane_reversal = dig_port->saved_port_bits & DDI_BUF_PORT_REVERSAL; - - val &= ~DFLEXDPMLE1_DPMLETC_MASK(tc_port); - switch (pipe_config->lane_count) { - case 1: - val |= (lane_reversal) ? DFLEXDPMLE1_DPMLETC_ML3(tc_port) : - DFLEXDPMLE1_DPMLETC_ML0(tc_port); - break; - case 2: - val |= (lane_reversal) ? DFLEXDPMLE1_DPMLETC_ML3_2(tc_port) : - DFLEXDPMLE1_DPMLETC_ML1_0(tc_port); - break; - case 4: - val |= DFLEXDPMLE1_DPMLETC_ML3_0(tc_port); - break; - default: - MISSING_CASE(pipe_config->lane_count); - } - I915_WRITE(PORT_TX_DFLEXDPMLE1, val); + struct intel_crtc_state *crtc_state = + crtc ? intel_atomic_get_new_crtc_state(state, crtc) : NULL; + int required_lanes = crtc_state ? crtc_state->lane_count : 1; + + WARN_ON(crtc && crtc->active); + + intel_tc_port_get_link(enc_to_dig_port(&encoder->base), required_lanes); + if (crtc_state && crtc_state->base.active) + intel_update_active_dpll(state, crtc, encoder); +} + +static void +intel_ddi_update_complete(struct intel_atomic_state *state, + struct intel_encoder *encoder, + struct intel_crtc *crtc) +{ + intel_tc_port_put_link(enc_to_dig_port(&encoder->base)); } static void @@ -3627,26 +3713,25 @@ intel_ddi_pre_pll_enable(struct intel_encoder *encoder, { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base); - enum port port = encoder->port; + enum phy phy = intel_port_to_phy(dev_priv, encoder->port); + bool is_tc_port = intel_phy_is_tc(dev_priv, phy); - if (intel_crtc_has_dp_encoder(crtc_state) || - intel_port_is_tc(dev_priv, encoder->port)) + if (is_tc_port) + intel_tc_port_get_link(dig_port, crtc_state->lane_count); + + if (intel_crtc_has_dp_encoder(crtc_state) || is_tc_port) intel_display_power_get(dev_priv, intel_ddi_main_link_aux_domain(dig_port)); - if (IS_GEN9_LP(dev_priv)) + if (is_tc_port && dig_port->tc_mode != TC_PORT_TBT_ALT) + /* + * Program the lane count for static/dynamic connections on + * Type-C ports. Skip this step for TBT. + */ + intel_tc_port_set_fia_lane_count(dig_port, crtc_state->lane_count); + else if (IS_GEN9_LP(dev_priv)) bxt_ddi_phy_set_lane_optim_mask(encoder, crtc_state->lane_lat_optim_mask); - - /* - * Program the lane count for static/dynamic connections on Type-C ports. - * Skip this step for TBT. - */ - if (dig_port->tc_type == TC_PORT_UNKNOWN || - dig_port->tc_type == TC_PORT_TBT) - return; - - intel_ddi_set_fia_lane_count(encoder, crtc_state, port); } static void @@ -3656,11 +3741,15 @@ intel_ddi_post_pll_disable(struct intel_encoder *encoder, { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base); + enum phy phy = intel_port_to_phy(dev_priv, encoder->port); + bool is_tc_port = intel_phy_is_tc(dev_priv, phy); - if (intel_crtc_has_dp_encoder(crtc_state) || - intel_port_is_tc(dev_priv, encoder->port)) + if (intel_crtc_has_dp_encoder(crtc_state) || is_tc_port) intel_display_power_put_unchecked(dev_priv, intel_ddi_main_link_aux_domain(dig_port)); + + if (is_tc_port) + intel_tc_port_put_link(dig_port); } static void intel_ddi_prepare_link_retrain(struct intel_dp *intel_dp) @@ -3737,7 +3826,6 @@ void intel_ddi_get_config(struct intel_encoder *encoder, struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); struct intel_crtc *intel_crtc = to_intel_crtc(pipe_config->base.crtc); enum transcoder cpu_transcoder = pipe_config->cpu_transcoder; - struct intel_digital_port *intel_dig_port; u32 temp, flags = 0; /* XXX: DSI transcoder paranoia */ @@ -3776,7 +3864,6 @@ void intel_ddi_get_config(struct intel_encoder *encoder, switch (temp & TRANS_DDI_MODE_SELECT_MASK) { case TRANS_DDI_MODE_SELECT_HDMI: pipe_config->has_hdmi_sink = true; - intel_dig_port = enc_to_dig_port(&encoder->base); pipe_config->infoframes.enable |= intel_hdmi_infoframes_enabled(encoder, pipe_config); @@ -3914,49 +4001,18 @@ static int intel_ddi_compute_config(struct intel_encoder *encoder, return 0; } -static void intel_ddi_encoder_suspend(struct intel_encoder *encoder) -{ - struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base); - struct drm_i915_private *i915 = to_i915(encoder->base.dev); - - intel_dp_encoder_suspend(encoder); - - /* - * TODO: disconnect also from USB DP alternate mode once we have a - * way to handle the modeset restore in that mode during resume - * even if the sink has disappeared while being suspended. - */ - if (dig_port->tc_legacy_port) - icl_tc_phy_disconnect(i915, dig_port); -} - -static void intel_ddi_encoder_reset(struct drm_encoder *drm_encoder) -{ - struct intel_digital_port *dig_port = enc_to_dig_port(drm_encoder); - struct drm_i915_private *i915 = to_i915(drm_encoder->dev); - - if (intel_port_is_tc(i915, dig_port->base.port)) - intel_digital_port_connected(&dig_port->base); - - intel_dp_encoder_reset(drm_encoder); -} - static void intel_ddi_encoder_destroy(struct drm_encoder *encoder) { struct intel_digital_port *dig_port = enc_to_dig_port(encoder); - struct drm_i915_private *i915 = to_i915(encoder->dev); intel_dp_encoder_flush_work(encoder); - if (intel_port_is_tc(i915, dig_port->base.port)) - icl_tc_phy_disconnect(i915, dig_port); - drm_encoder_cleanup(encoder); kfree(dig_port); } static const struct drm_encoder_funcs intel_ddi_funcs = { - .reset = intel_ddi_encoder_reset, + .reset = intel_dp_encoder_reset, .destroy = intel_ddi_encoder_destroy, }; @@ -4081,14 +4137,17 @@ static int intel_hdmi_reset_link(struct intel_encoder *encoder, return modeset_pipe(&crtc->base, ctx); } -static bool intel_ddi_hotplug(struct intel_encoder *encoder, - struct intel_connector *connector) +static enum intel_hotplug_state +intel_ddi_hotplug(struct intel_encoder *encoder, + struct intel_connector *connector, + bool irq_received) { + struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base); struct drm_modeset_acquire_ctx ctx; - bool changed; + enum intel_hotplug_state state; int ret; - changed = intel_encoder_hotplug(encoder, connector); + state = intel_encoder_hotplug(encoder, connector, irq_received); drm_modeset_acquire_init(&ctx, 0); @@ -4110,7 +4169,27 @@ static bool intel_ddi_hotplug(struct intel_encoder *encoder, drm_modeset_acquire_fini(&ctx); WARN(ret, "Acquiring modeset locks failed with %i\n", ret); - return changed; + /* + * Unpowered type-c dongles can take some time to boot and be + * responsible, so here giving some time to those dongles to power up + * and then retrying the probe. + * + * On many platforms the HDMI live state signal is known to be + * unreliable, so we can't use it to detect if a sink is connected or + * not. Instead we detect if it's connected based on whether we can + * read the EDID or not. That in turn has a problem during disconnect, + * since the HPD interrupt may be raised before the DDC lines get + * disconnected (due to how the required length of DDC vs. HPD + * connector pins are specified) and so we'll still be able to get a + * valid EDID. To solve this schedule another detection cycle if this + * time around we didn't detect any change in the sink's connection + * status. + */ + if (state == INTEL_HOTPLUG_UNCHANGED && irq_received && + !dig_port->dp.is_mst) + state = INTEL_HOTPLUG_RETRY; + + return state; } static struct intel_connector * @@ -4198,6 +4277,7 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port) struct drm_encoder *encoder; bool init_hdmi, init_dp, init_lspcon = false; enum pipe pipe; + enum phy phy = intel_port_to_phy(dev_priv, port); init_hdmi = port_info->supports_dvi || port_info->supports_hdmi; init_dp = port_info->supports_dp; @@ -4242,7 +4322,7 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port) intel_encoder->update_pipe = intel_ddi_update_pipe; intel_encoder->get_hw_state = intel_ddi_get_hw_state; intel_encoder->get_config = intel_ddi_get_config; - intel_encoder->suspend = intel_ddi_encoder_suspend; + intel_encoder->suspend = intel_dp_encoder_suspend; intel_encoder->get_power_domains = intel_ddi_get_power_domains; intel_encoder->type = INTEL_OUTPUT_DDI; intel_encoder->power_domain = intel_port_to_power_domain(port); @@ -4261,9 +4341,15 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port) intel_dig_port->max_lanes = intel_ddi_max_lanes(intel_dig_port); intel_dig_port->aux_ch = intel_bios_port_aux_ch(dev_priv, port); - intel_dig_port->tc_legacy_port = intel_port_is_tc(dev_priv, port) && - !port_info->supports_typec_usb && - !port_info->supports_tbt; + if (intel_phy_is_tc(dev_priv, phy)) { + bool is_legacy = !port_info->supports_typec_usb && + !port_info->supports_tbt; + + intel_tc_port_init(intel_dig_port, is_legacy); + + intel_encoder->update_prepare = intel_ddi_update_prepare; + intel_encoder->update_complete = intel_ddi_update_complete; + } switch (port) { case PORT_A: @@ -4290,6 +4376,18 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port) intel_dig_port->ddi_io_power_domain = POWER_DOMAIN_PORT_DDI_F_IO; break; + case PORT_G: + intel_dig_port->ddi_io_power_domain = + POWER_DOMAIN_PORT_DDI_G_IO; + break; + case PORT_H: + intel_dig_port->ddi_io_power_domain = + POWER_DOMAIN_PORT_DDI_H_IO; + break; + case PORT_I: + intel_dig_port->ddi_io_power_domain = + POWER_DOMAIN_PORT_DDI_I_IO; + break; default: MISSING_CASE(port); } @@ -4324,9 +4422,6 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port) intel_infoframe_init(intel_dig_port); - if (intel_port_is_tc(dev_priv, port)) - intel_digital_port_connected(intel_encoder); - return; err: |