diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dp.c')
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp.c | 240 |
1 files changed, 170 insertions, 70 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 392c3653d0d7..640c43bf62d4 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -45,12 +45,13 @@ #include <drm/drm_crtc.h> #include <drm/drm_edid.h> #include <drm/drm_fixed.h> +#include <drm/drm_print.h> #include <drm/drm_probe_helper.h> #include "g4x_dp.h" -#include "i915_drv.h" #include "i915_irq.h" #include "i915_reg.h" +#include "i915_utils.h" #include "intel_alpm.h" #include "intel_atomic.h" #include "intel_audio.h" @@ -58,10 +59,12 @@ #include "intel_combo_phy_regs.h" #include "intel_connector.h" #include "intel_crtc.h" +#include "intel_crtc_state_dump.h" #include "intel_cx0_phy.h" #include "intel_ddi.h" #include "intel_de.h" #include "intel_display_driver.h" +#include "intel_display_rpm.h" #include "intel_display_types.h" #include "intel_dp.h" #include "intel_dp_aux.h" @@ -87,12 +90,10 @@ #include "intel_pfit.h" #include "intel_pps.h" #include "intel_psr.h" -#include "intel_runtime_pm.h" #include "intel_quirks.h" #include "intel_tc.h" #include "intel_vdsc.h" #include "intel_vrr.h" -#include "intel_crtc_state_dump.h" /* DP DSC throughput values used for slice count calculations KPixels/s */ #define DP_DSC_PEAK_PIXEL_RATE 2720000 @@ -2523,6 +2524,7 @@ intel_dp_dsc_compute_pipe_bpp_limits(struct intel_dp *intel_dp, bool intel_dp_compute_config_limits(struct intel_dp *intel_dp, + struct intel_connector *connector, struct intel_crtc_state *crtc_state, bool respect_downstream_limits, bool dsc, @@ -2576,7 +2578,7 @@ intel_dp_compute_config_limits(struct intel_dp *intel_dp, intel_dp_test_compute_config(intel_dp, crtc_state, limits); return intel_dp_compute_config_link_bpp_limits(intel_dp, - intel_dp->attached_connector, + connector, crtc_state, dsc, limits); @@ -2637,7 +2639,7 @@ intel_dp_compute_link_config(struct intel_encoder *encoder, joiner_needs_dsc = intel_dp_joiner_needs_dsc(display, num_joined_pipes); dsc_needed = joiner_needs_dsc || intel_dp->force_dsc_en || - !intel_dp_compute_config_limits(intel_dp, pipe_config, + !intel_dp_compute_config_limits(intel_dp, connector, pipe_config, respect_downstream_limits, false, &limits); @@ -2671,7 +2673,7 @@ intel_dp_compute_link_config(struct intel_encoder *encoder, str_yes_no(ret), str_yes_no(joiner_needs_dsc), str_yes_no(intel_dp->force_dsc_en)); - if (!intel_dp_compute_config_limits(intel_dp, pipe_config, + if (!intel_dp_compute_config_limits(intel_dp, connector, pipe_config, respect_downstream_limits, true, &limits)) @@ -3104,6 +3106,76 @@ intel_dp_queue_modeset_retry_for_link(struct intel_atomic_state *state, } } +int intel_dp_compute_min_hblank(struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state) +{ + struct intel_display *display = to_intel_display(crtc_state); + const struct drm_display_mode *adjusted_mode = + &crtc_state->hw.adjusted_mode; + struct intel_connector *connector = to_intel_connector(conn_state->connector); + int symbol_size = intel_dp_is_uhbr(crtc_state) ? 32 : 8; + /* + * min symbol cycles is 3(BS,VBID, BE) for 128b/132b and + * 5(BS, VBID, MVID, MAUD, BE) for 8b/10b + */ + int min_sym_cycles = intel_dp_is_uhbr(crtc_state) ? 3 : 5; + bool is_mst = intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST); + int num_joined_pipes = intel_crtc_num_joined_pipes(crtc_state); + int min_hblank; + int max_lane_count = 4; + int hactive_sym_cycles, htotal_sym_cycles; + int dsc_slices = 0; + int link_bpp_x16; + + if (DISPLAY_VER(display) < 30) + return 0; + + /* MIN_HBLANK should be set only for 8b/10b MST or for 128b/132b SST/MST */ + if (!is_mst && !intel_dp_is_uhbr(crtc_state)) + return 0; + + if (crtc_state->dsc.compression_enable) { + dsc_slices = intel_dp_dsc_get_slice_count(connector, + adjusted_mode->crtc_clock, + adjusted_mode->crtc_hdisplay, + num_joined_pipes); + if (!dsc_slices) { + drm_dbg(display->drm, "failed to calculate dsc slice count\n"); + return -EINVAL; + } + } + + if (crtc_state->dsc.compression_enable) + link_bpp_x16 = crtc_state->dsc.compressed_bpp_x16; + else + link_bpp_x16 = fxp_q4_from_int(intel_dp_output_bpp(crtc_state->output_format, + crtc_state->pipe_bpp)); + + /* Calculate min Hblank Link Layer Symbol Cycle Count for 8b/10b MST & 128b/132b */ + hactive_sym_cycles = drm_dp_link_symbol_cycles(max_lane_count, + adjusted_mode->hdisplay, + dsc_slices, + link_bpp_x16, + symbol_size, is_mst); + htotal_sym_cycles = adjusted_mode->htotal * hactive_sym_cycles / + adjusted_mode->hdisplay; + + min_hblank = htotal_sym_cycles - hactive_sym_cycles; + /* minimum Hblank calculation: https://groups.vesa.org/wg/DP/document/20494 */ + min_hblank = max(min_hblank, min_sym_cycles); + + /* + * adjust the BlankingStart/BlankingEnd framing control from + * the calculated value + */ + min_hblank = min_hblank - 2; + + min_hblank = min(10, min_hblank); + crtc_state->min_hblank = min_hblank; + + return 0; +} + int intel_dp_compute_config(struct intel_encoder *encoder, struct intel_crtc_state *pipe_config, @@ -3203,6 +3275,10 @@ intel_dp_compute_config(struct intel_encoder *encoder, &pipe_config->dp_m_n); } + ret = intel_dp_compute_min_hblank(pipe_config, conn_state); + if (ret) + return ret; + /* FIXME: abstract this better */ if (pipe_config->splitter.enable) pipe_config->dp_m_n.data_m *= pipe_config->splitter.link_count; @@ -3223,7 +3299,7 @@ void intel_dp_set_link_params(struct intel_dp *intel_dp, int link_rate, int lane_count) { memset(intel_dp->train_set, 0, sizeof(intel_dp->train_set)); - intel_dp->link_trained = false; + intel_dp->link.active = false; intel_dp->needs_modeset_retry = false; intel_dp->link_rate = link_rate; intel_dp->lane_count = lane_count; @@ -3587,7 +3663,7 @@ void intel_dp_sync_state(struct intel_encoder *encoder, if (crtc_state) { intel_dp_reset_link_params(intel_dp); intel_dp_set_link_params(intel_dp, crtc_state->port_clock, crtc_state->lane_count); - intel_dp->link_trained = true; + intel_dp->link.active = true; } } @@ -4456,6 +4532,23 @@ intel_dp_mst_disconnect(struct intel_dp *intel_dp) static bool intel_dp_get_sink_irq_esi(struct intel_dp *intel_dp, u8 *esi) { + struct intel_display *display = to_intel_display(intel_dp); + + /* + * Display WA for HSD #13013007775: mtl/arl/lnl + * Read the sink count and link service IRQ registers in separate + * transactions to prevent disconnecting the sink on a TBT link + * inadvertently. + */ + if (IS_DISPLAY_VER(display, 14, 20) && !display->platform.battlemage) { + if (drm_dp_dpcd_read(&intel_dp->aux, DP_SINK_COUNT_ESI, esi, 3) != 3) + return false; + + /* DP_SINK_COUNT_ESI + 3 == DP_LINK_SERVICE_IRQ_VECTOR_ESI0 */ + return drm_dp_dpcd_readb(&intel_dp->aux, DP_LINK_SERVICE_IRQ_VECTOR_ESI0, + &esi[3]) == 1; + } + return drm_dp_dpcd_read(&intel_dp->aux, DP_SINK_COUNT_ESI, esi, 4) == 4; } @@ -5005,8 +5098,6 @@ intel_dp_check_mst_status(struct intel_dp *intel_dp) bool link_ok = true; bool reprobe_needed = false; - drm_WARN_ON_ONCE(display->drm, intel_dp->mst.active_links < 0); - for (;;) { u8 esi[4] = {}; u8 ack[4] = {}; @@ -5021,7 +5112,7 @@ intel_dp_check_mst_status(struct intel_dp *intel_dp) drm_dbg_kms(display->drm, "DPRX ESI: %4ph\n", esi); - if (intel_dp->mst.active_links > 0 && link_ok && + if (intel_dp_mst_active_streams(intel_dp) > 0 && link_ok && esi[3] & LINK_STATUS_CHANGED) { if (!intel_dp_mst_link_status(intel_dp)) link_ok = false; @@ -5082,7 +5173,7 @@ intel_dp_needs_link_retrain(struct intel_dp *intel_dp) { u8 link_status[DP_LINK_STATUS_SIZE]; - if (!intel_dp->link_trained) + if (!intel_dp->link.active) return false; /* @@ -5394,6 +5485,11 @@ intel_dp_short_pulse(struct intel_dp *intel_dp) intel_psr_short_pulse(intel_dp); + if (intel_alpm_get_error(intel_dp)) { + intel_alpm_disable(intel_dp); + intel_dp->alpm_parameters.sink_alpm_error = true; + } + if (intel_dp_test_short_pulse(intel_dp)) reprobe_needed = true; @@ -5829,20 +5925,21 @@ out_vdd_off: } static void -intel_dp_force(struct drm_connector *connector) +intel_dp_force(struct drm_connector *_connector) { - struct intel_display *display = to_intel_display(connector->dev); - struct intel_dp *intel_dp = intel_attached_dp(to_intel_connector(connector)); + struct intel_connector *connector = to_intel_connector(_connector); + struct intel_display *display = to_intel_display(connector); + struct intel_dp *intel_dp = intel_attached_dp(connector); drm_dbg_kms(display->drm, "[CONNECTOR:%d:%s]\n", - connector->base.id, connector->name); + connector->base.base.id, connector->base.name); if (!intel_display_driver_check_access(display)) return; intel_dp_unset_edid(intel_dp); - if (connector->status != connector_status_connected) + if (connector->base.status != connector_status_connected) return; intel_dp_set_edid(intel_dp); @@ -5881,24 +5978,25 @@ static int intel_dp_get_modes(struct drm_connector *_connector) } static int -intel_dp_connector_register(struct drm_connector *connector) +intel_dp_connector_register(struct drm_connector *_connector) { - struct intel_display *display = to_intel_display(connector->dev); - struct intel_dp *intel_dp = intel_attached_dp(to_intel_connector(connector)); + struct intel_connector *connector = to_intel_connector(_connector); + struct intel_display *display = to_intel_display(connector); + struct intel_dp *intel_dp = intel_attached_dp(connector); struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); int ret; - ret = intel_connector_register(connector); + ret = intel_connector_register(&connector->base); if (ret) return ret; drm_dbg_kms(display->drm, "registering %s bus for %s\n", - intel_dp->aux.name, connector->kdev->kobj.name); + intel_dp->aux.name, connector->base.kdev->kobj.name); - intel_dp->aux.dev = connector->kdev; + intel_dp->aux.dev = connector->base.kdev; ret = drm_dp_aux_register(&intel_dp->aux); if (!ret) - drm_dp_cec_register_connector(&intel_dp->aux, connector); + drm_dp_cec_register_connector(&intel_dp->aux, &connector->base); if (!intel_bios_encoder_is_lspcon(dig_port->base.devdata)) return ret; @@ -5909,20 +6007,21 @@ intel_dp_connector_register(struct drm_connector *connector) */ if (intel_lspcon_init(dig_port)) { if (intel_lspcon_detect_hdr_capability(dig_port)) - drm_connector_attach_hdr_output_metadata_property(connector); + drm_connector_attach_hdr_output_metadata_property(&connector->base); } return ret; } static void -intel_dp_connector_unregister(struct drm_connector *connector) +intel_dp_connector_unregister(struct drm_connector *_connector) { - struct intel_dp *intel_dp = intel_attached_dp(to_intel_connector(connector)); + struct intel_connector *connector = to_intel_connector(_connector); + struct intel_dp *intel_dp = intel_attached_dp(connector); drm_dp_cec_unregister_connector(&intel_dp->aux); drm_dp_aux_unregister(&intel_dp->aux); - intel_connector_unregister(connector); + intel_connector_unregister(&connector->base); } void intel_dp_connector_sync_state(struct intel_connector *connector, @@ -5983,21 +6082,21 @@ static int intel_modeset_tile_group(struct intel_atomic_state *state, { struct intel_display *display = to_intel_display(state); struct drm_connector_list_iter conn_iter; - struct drm_connector *connector; + struct intel_connector *connector; int ret = 0; drm_connector_list_iter_begin(display->drm, &conn_iter); - drm_for_each_connector_iter(connector, &conn_iter) { + for_each_intel_connector_iter(connector, &conn_iter) { struct drm_connector_state *conn_state; struct intel_crtc_state *crtc_state; struct intel_crtc *crtc; - if (!connector->has_tile || - connector->tile_group->id != tile_group_id) + if (!connector->base.has_tile || + connector->base.tile_group->id != tile_group_id) continue; conn_state = drm_atomic_get_connector_state(&state->base, - connector); + &connector->base); if (IS_ERR(conn_state)) { ret = PTR_ERR(conn_state); break; @@ -6061,10 +6160,11 @@ static int intel_modeset_affected_transcoders(struct intel_atomic_state *state, } static int intel_modeset_synced_crtcs(struct intel_atomic_state *state, - struct drm_connector *connector) + struct drm_connector *_connector) { + struct intel_connector *connector = to_intel_connector(_connector); const struct drm_connector_state *old_conn_state = - drm_atomic_get_old_connector_state(&state->base, connector); + drm_atomic_get_old_connector_state(&state->base, &connector->base); const struct intel_crtc_state *old_crtc_state; struct intel_crtc *crtc; u8 transcoders; @@ -6086,17 +6186,18 @@ static int intel_modeset_synced_crtcs(struct intel_atomic_state *state, transcoders); } -static int intel_dp_connector_atomic_check(struct drm_connector *conn, +static int intel_dp_connector_atomic_check(struct drm_connector *_connector, struct drm_atomic_state *_state) { - struct intel_display *display = to_intel_display(conn->dev); + struct intel_connector *connector = to_intel_connector(_connector); + struct intel_display *display = to_intel_display(connector); struct intel_atomic_state *state = to_intel_atomic_state(_state); - struct drm_connector_state *conn_state = drm_atomic_get_new_connector_state(_state, conn); - struct intel_connector *intel_conn = to_intel_connector(conn); - struct intel_dp *intel_dp = enc_to_intel_dp(intel_conn->encoder); + struct drm_connector_state *conn_state = + drm_atomic_get_new_connector_state(_state, &connector->base); + struct intel_dp *intel_dp = enc_to_intel_dp(connector->encoder); int ret; - ret = intel_digital_connector_atomic_check(conn, &state->base); + ret = intel_digital_connector_atomic_check(&connector->base, &state->base); if (ret) return ret; @@ -6106,12 +6207,12 @@ static int intel_dp_connector_atomic_check(struct drm_connector *conn, return ret; } - if (!intel_connector_needs_modeset(state, conn)) + if (!intel_connector_needs_modeset(state, &connector->base)) return 0; ret = intel_dp_tunnel_atomic_check_state(state, intel_dp, - intel_conn); + connector); if (ret) return ret; @@ -6122,26 +6223,26 @@ static int intel_dp_connector_atomic_check(struct drm_connector *conn, if (DISPLAY_VER(display) < 9) return 0; - if (conn->has_tile) { - ret = intel_modeset_tile_group(state, conn->tile_group->id); + if (connector->base.has_tile) { + ret = intel_modeset_tile_group(state, connector->base.tile_group->id); if (ret) return ret; } - return intel_modeset_synced_crtcs(state, conn); + return intel_modeset_synced_crtcs(state, &connector->base); } -static void intel_dp_oob_hotplug_event(struct drm_connector *connector, +static void intel_dp_oob_hotplug_event(struct drm_connector *_connector, enum drm_connector_status hpd_state) { - struct intel_display *display = to_intel_display(connector->dev); - struct intel_encoder *encoder = intel_attached_encoder(to_intel_connector(connector)); - struct drm_i915_private *i915 = to_i915(connector->dev); + struct intel_connector *connector = to_intel_connector(_connector); + struct intel_display *display = to_intel_display(connector); + struct intel_encoder *encoder = intel_attached_encoder(connector); bool hpd_high = hpd_state == connector_status_connected; unsigned int hpd_pin = encoder->hpd_pin; bool need_work = false; - spin_lock_irq(&i915->irq_lock); + spin_lock_irq(&display->irq.lock); if (hpd_high != test_bit(hpd_pin, &display->hotplug.oob_hotplug_last_state)) { display->hotplug.event_bits |= BIT(hpd_pin); @@ -6150,10 +6251,10 @@ static void intel_dp_oob_hotplug_event(struct drm_connector *connector, hpd_high); need_work = true; } - spin_unlock_irq(&i915->irq_lock); + spin_unlock_irq(&display->irq.lock); if (need_work) - intel_hpd_schedule_detection(i915); + intel_hpd_schedule_detection(display); } static const struct drm_connector_funcs intel_dp_connector_funcs = { @@ -6180,13 +6281,12 @@ enum irqreturn intel_dp_hpd_pulse(struct intel_digital_port *dig_port, bool long_hpd) { struct intel_display *display = to_intel_display(dig_port); - struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); struct intel_dp *intel_dp = &dig_port->dp; u8 dpcd[DP_RECEIVER_CAP_SIZE]; if (dig_port->base.type == INTEL_OUTPUT_EDP && (long_hpd || - intel_runtime_pm_suspended(&i915->runtime_pm) || + intel_display_rpm_suspended(display) || !intel_pps_have_panel_power_or_vdd(intel_dp))) { /* * vdd off can generate a long/short pulse on eDP which @@ -6283,36 +6383,37 @@ intel_dp_has_gamut_metadata_dip(struct intel_encoder *encoder) } static void -intel_dp_add_properties(struct intel_dp *intel_dp, struct drm_connector *connector) +intel_dp_add_properties(struct intel_dp *intel_dp, struct drm_connector *_connector) { + struct intel_connector *connector = to_intel_connector(_connector); struct intel_display *display = to_intel_display(intel_dp); enum port port = dp_to_dig_port(intel_dp)->base.port; if (!intel_dp_is_edp(intel_dp)) - drm_connector_attach_dp_subconnector_property(connector); + drm_connector_attach_dp_subconnector_property(&connector->base); if (!display->platform.g4x && port != PORT_A) - intel_attach_force_audio_property(connector); + intel_attach_force_audio_property(&connector->base); - intel_attach_broadcast_rgb_property(connector); + intel_attach_broadcast_rgb_property(&connector->base); if (HAS_GMCH(display)) - drm_connector_attach_max_bpc_property(connector, 6, 10); + drm_connector_attach_max_bpc_property(&connector->base, 6, 10); else if (DISPLAY_VER(display) >= 5) - drm_connector_attach_max_bpc_property(connector, 6, 12); + drm_connector_attach_max_bpc_property(&connector->base, 6, 12); /* Register HDMI colorspace for case of lspcon */ if (intel_bios_encoder_is_lspcon(dp_to_dig_port(intel_dp)->base.devdata)) { - drm_connector_attach_content_type_property(connector); - intel_attach_hdmi_colorspace_property(connector); + drm_connector_attach_content_type_property(&connector->base); + intel_attach_hdmi_colorspace_property(&connector->base); } else { - intel_attach_dp_colorspace_property(connector); + intel_attach_dp_colorspace_property(&connector->base); } if (intel_dp_has_gamut_metadata_dip(&dp_to_dig_port(intel_dp)->base)) - drm_connector_attach_hdr_output_metadata_property(connector); + drm_connector_attach_hdr_output_metadata_property(&connector->base); if (HAS_VRR(display)) - drm_connector_attach_vrr_capable_property(connector); + drm_connector_attach_vrr_capable_property(&connector->base); } static void @@ -6347,7 +6448,6 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp, struct intel_connector *connector) { struct intel_display *display = to_intel_display(intel_dp); - struct drm_i915_private *dev_priv = to_i915(display->drm); struct drm_display_mode *fixed_mode; struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base; bool has_dpcd; @@ -6362,9 +6462,9 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp, * eDP and LVDS bail out early in this case to prevent interfering * with an already powered-on LVDS power sequencer. */ - if (intel_get_lvds_encoder(dev_priv)) { + if (intel_get_lvds_encoder(display)) { drm_WARN_ON(display->drm, - !(HAS_PCH_IBX(dev_priv) || HAS_PCH_CPT(dev_priv))); + !(HAS_PCH_IBX(display) || HAS_PCH_CPT(display))); drm_info(display->drm, "LVDS was detected, not registering eDP\n"); @@ -6395,7 +6495,7 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp, */ intel_hpd_enable_detection(encoder); - intel_alpm_init_dpcd(intel_dp); + intel_alpm_init(intel_dp); /* Cache DPCD and EDID for edp. */ has_dpcd = intel_edp_init_dpcd(intel_dp, connector); |