diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_psr.c')
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_psr.c | 471 |
1 files changed, 297 insertions, 174 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index 614b4534ef..925776ba13 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -29,6 +29,7 @@ #include "i915_reg.h" #include "intel_atomic.h" #include "intel_crtc.h" +#include "intel_ddi.h" #include "intel_de.h" #include "intel_display_types.h" #include "intel_dp.h" @@ -172,6 +173,15 @@ * irrelevant for normal operation. */ +bool intel_encoder_can_psr(struct intel_encoder *encoder) +{ + if (intel_encoder_is_dp(encoder) || encoder->type == INTEL_OUTPUT_DP_MST) + return CAN_PSR(enc_to_intel_dp(encoder)) || + CAN_PANEL_REPLAY(enc_to_intel_dp(encoder)); + else + return false; +} + static bool psr_global_enabled(struct intel_dp *intel_dp) { struct intel_connector *connector = intel_dp->attached_connector; @@ -179,9 +189,9 @@ static bool psr_global_enabled(struct intel_dp *intel_dp) switch (intel_dp->psr.debug & I915_PSR_DEBUG_MODE_MASK) { case I915_PSR_DEBUG_DEFAULT: - if (i915->params.enable_psr == -1) + if (i915->display.params.enable_psr == -1) return connector->panel.vbt.psr.enable; - return i915->params.enable_psr; + return i915->display.params.enable_psr; case I915_PSR_DEBUG_DISABLE: return false; default: @@ -198,7 +208,7 @@ static bool psr2_global_enabled(struct intel_dp *intel_dp) case I915_PSR_DEBUG_FORCE_PSR1: return false; default: - if (i915->params.enable_psr == 1) + if (i915->display.params.enable_psr == 1) return false; return true; } @@ -474,27 +484,41 @@ exit: intel_dp->psr.su_y_granularity = y; } -void intel_psr_init_dpcd(struct intel_dp *intel_dp) +static void _panel_replay_init_dpcd(struct intel_dp *intel_dp) { - struct drm_i915_private *dev_priv = - to_i915(dp_to_dig_port(intel_dp)->base.base.dev); + struct drm_i915_private *i915 = dp_to_i915(intel_dp); + u8 pr_dpcd = 0; - drm_dp_dpcd_read(&intel_dp->aux, DP_PSR_SUPPORT, intel_dp->psr_dpcd, - sizeof(intel_dp->psr_dpcd)); + intel_dp->psr.sink_panel_replay_support = false; + drm_dp_dpcd_readb(&intel_dp->aux, DP_PANEL_REPLAY_CAP, &pr_dpcd); - if (!intel_dp->psr_dpcd[0]) + if (!(pr_dpcd & DP_PANEL_REPLAY_SUPPORT)) { + drm_dbg_kms(&i915->drm, + "Panel replay is not supported by panel\n"); return; - drm_dbg_kms(&dev_priv->drm, "eDP panel supports PSR version %x\n", + } + + drm_dbg_kms(&i915->drm, + "Panel replay is supported by panel\n"); + intel_dp->psr.sink_panel_replay_support = true; +} + +static void _psr_init_dpcd(struct intel_dp *intel_dp) +{ + struct drm_i915_private *i915 = + to_i915(dp_to_dig_port(intel_dp)->base.base.dev); + + drm_dbg_kms(&i915->drm, "eDP panel supports PSR version %x\n", intel_dp->psr_dpcd[0]); if (drm_dp_has_quirk(&intel_dp->desc, DP_DPCD_QUIRK_NO_PSR)) { - drm_dbg_kms(&dev_priv->drm, + drm_dbg_kms(&i915->drm, "PSR support not currently available for this panel\n"); return; } if (!(intel_dp->edp_dpcd[1] & DP_EDP_SET_POWER_CAP)) { - drm_dbg_kms(&dev_priv->drm, + drm_dbg_kms(&i915->drm, "Panel lacks power state control, PSR cannot be enabled\n"); return; } @@ -503,8 +527,8 @@ void intel_psr_init_dpcd(struct intel_dp *intel_dp) intel_dp->psr.sink_sync_latency = intel_dp_get_sink_sync_latency(intel_dp); - if (DISPLAY_VER(dev_priv) >= 9 && - (intel_dp->psr_dpcd[0] == DP_PSR2_WITH_Y_COORD_IS_SUPPORTED)) { + if (DISPLAY_VER(i915) >= 9 && + intel_dp->psr_dpcd[0] == DP_PSR2_WITH_Y_COORD_IS_SUPPORTED) { bool y_req = intel_dp->psr_dpcd[1] & DP_PSR2_SU_Y_COORDINATE_REQUIRED; bool alpm = intel_dp_get_alpm_status(intel_dp); @@ -521,14 +545,25 @@ void intel_psr_init_dpcd(struct intel_dp *intel_dp) * GTC first. */ intel_dp->psr.sink_psr2_support = y_req && alpm; - drm_dbg_kms(&dev_priv->drm, "PSR2 %ssupported\n", + drm_dbg_kms(&i915->drm, "PSR2 %ssupported\n", intel_dp->psr.sink_psr2_support ? "" : "not "); + } +} - if (intel_dp->psr.sink_psr2_support) { - intel_dp->psr.colorimetry_support = - intel_dp_get_colorimetry_status(intel_dp); - intel_dp_get_su_granularity(intel_dp); - } +void intel_psr_init_dpcd(struct intel_dp *intel_dp) +{ + _panel_replay_init_dpcd(intel_dp); + + drm_dp_dpcd_read(&intel_dp->aux, DP_PSR_SUPPORT, intel_dp->psr_dpcd, + sizeof(intel_dp->psr_dpcd)); + + if (intel_dp->psr_dpcd[0]) + _psr_init_dpcd(intel_dp); + + if (intel_dp->psr.sink_psr2_support) { + intel_dp->psr.colorimetry_support = + intel_dp_get_colorimetry_status(intel_dp); + intel_dp_get_su_granularity(intel_dp); } } @@ -574,8 +609,11 @@ static void intel_psr_enable_sink(struct intel_dp *intel_dp) struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); u8 dpcd_val = DP_PSR_ENABLE; - /* Enable ALPM at sink for psr2 */ + if (intel_dp->psr.panel_replay_enabled) + return; + if (intel_dp->psr.psr2_enabled) { + /* Enable ALPM at sink for psr2 */ drm_dp_dpcd_writeb(&intel_dp->aux, DP_RECEIVER_ALPM_CONFIG, DP_ALPM_ENABLE | DP_ALPM_LOCK_ERROR_IRQ_HPD_ENABLE); @@ -592,6 +630,9 @@ static void intel_psr_enable_sink(struct intel_dp *intel_dp) if (intel_dp->psr.req_psr2_sdp_prior_scanline) dpcd_val |= DP_PSR_SU_REGION_SCANLINE_CAPTURE; + if (intel_dp->psr.entry_setup_frames > 0) + dpcd_val |= DP_PSR_FRAME_CAPTURE; + drm_dp_dpcd_writeb(&intel_dp->aux, DP_PSR_EN_CFG, dpcd_val); drm_dp_dpcd_writeb(&intel_dp->aux, DP_SET_POWER, DP_SET_POWER_D0); @@ -606,7 +647,7 @@ static u32 intel_psr1_get_tp_time(struct intel_dp *intel_dp) if (DISPLAY_VER(dev_priv) >= 11) val |= EDP_PSR_TP4_TIME_0us; - if (dev_priv->params.psr_safest_params) { + if (dev_priv->display.params.psr_safest_params) { val |= EDP_PSR_TP1_TIME_2500us; val |= EDP_PSR_TP2_TP3_TIME_2500us; goto check_tp3_sel; @@ -690,6 +731,9 @@ static void hsw_activate_psr1(struct intel_dp *intel_dp) if (DISPLAY_VER(dev_priv) >= 8) val |= EDP_PSR_CRC_ENABLE; + if (DISPLAY_VER(dev_priv) >= 20) + val |= LNL_EDP_PSR_ENTRY_SETUP_FRAMES(intel_dp->psr.entry_setup_frames); + intel_de_rmw(dev_priv, psr_ctl_reg(dev_priv, cpu_transcoder), ~EDP_PSR_RESTORE_PSR_ACTIVE_CTX_MASK, val); } @@ -700,7 +744,7 @@ static u32 intel_psr2_get_tp_time(struct intel_dp *intel_dp) struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); u32 val = 0; - if (dev_priv->params.psr_safest_params) + if (dev_priv->display.params.psr_safest_params) return EDP_PSR2_TP2_TIME_2500us; if (connector->panel.vbt.psr.psr2_tp2_tp3_wakeup_time_us >= 0 && @@ -727,21 +771,49 @@ static int psr2_block_count(struct intel_dp *intel_dp) return psr2_block_count_lines(intel_dp) / 4; } +static u8 frames_before_su_entry(struct intel_dp *intel_dp) +{ + u8 frames_before_su_entry; + + frames_before_su_entry = max_t(u8, + intel_dp->psr.sink_sync_latency + 1, + 2); + + /* Entry setup frames must be at least 1 less than frames before SU entry */ + if (intel_dp->psr.entry_setup_frames >= frames_before_su_entry) + frames_before_su_entry = intel_dp->psr.entry_setup_frames + 1; + + return frames_before_su_entry; +} + +static void dg2_activate_panel_replay(struct intel_dp *intel_dp) +{ + struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + + intel_de_rmw(dev_priv, PSR2_MAN_TRK_CTL(intel_dp->psr.transcoder), + 0, ADLP_PSR2_MAN_TRK_CTL_SF_CONTINUOS_FULL_FRAME); + + intel_de_rmw(dev_priv, TRANS_DP2_CTL(intel_dp->psr.transcoder), 0, + TRANS_DP2_PANEL_REPLAY_ENABLE); +} + static void hsw_activate_psr2(struct intel_dp *intel_dp) { struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); enum transcoder cpu_transcoder = intel_dp->psr.transcoder; u32 val = EDP_PSR2_ENABLE; + u32 psr_val = 0; val |= EDP_PSR2_IDLE_FRAMES(psr_compute_idle_frames(intel_dp)); - if (DISPLAY_VER(dev_priv) <= 13 && !IS_ALDERLAKE_P(dev_priv)) + if (DISPLAY_VER(dev_priv) < 14 && !IS_ALDERLAKE_P(dev_priv)) val |= EDP_SU_TRACK_ENABLE; - if (DISPLAY_VER(dev_priv) >= 10 && DISPLAY_VER(dev_priv) <= 12) + if (DISPLAY_VER(dev_priv) >= 10 && DISPLAY_VER(dev_priv) < 13) val |= EDP_Y_COORDINATE_ENABLE; - val |= EDP_PSR2_FRAME_BEFORE_SU(max_t(u8, intel_dp->psr.sink_sync_latency + 1, 2)); + val |= EDP_PSR2_FRAME_BEFORE_SU(frames_before_su_entry(intel_dp)); + val |= intel_psr2_get_tp_time(intel_dp); if (DISPLAY_VER(dev_priv) >= 12) { @@ -785,6 +857,9 @@ static void hsw_activate_psr2(struct intel_dp *intel_dp) if (intel_dp->psr.req_psr2_sdp_prior_scanline) val |= EDP_PSR2_SU_SDP_SCANLINE; + if (DISPLAY_VER(dev_priv) >= 20) + psr_val |= LNL_EDP_PSR_ENTRY_SETUP_FRAMES(intel_dp->psr.entry_setup_frames); + if (intel_dp->psr.psr2_sel_fetch_enabled) { u32 tmp; @@ -798,7 +873,7 @@ static void hsw_activate_psr2(struct intel_dp *intel_dp) * PSR2 HW is incorrectly using EDP_PSR_TP1_TP3_SEL and BSpec is * recommending keep this bit unset while PSR2 is enabled. */ - intel_de_write(dev_priv, psr_ctl_reg(dev_priv, cpu_transcoder), 0); + intel_de_write(dev_priv, psr_ctl_reg(dev_priv, cpu_transcoder), psr_val); intel_de_write(dev_priv, EDP_PSR2_CTL(cpu_transcoder), val); } @@ -816,13 +891,13 @@ transcoder_has_psr2(struct drm_i915_private *dev_priv, enum transcoder cpu_trans return false; } -static u32 intel_get_frame_time_us(const struct intel_crtc_state *cstate) +static u32 intel_get_frame_time_us(const struct intel_crtc_state *crtc_state) { - if (!cstate || !cstate->hw.active) + if (!crtc_state->hw.active) return 0; return DIV_ROUND_UP(1000 * 1000, - drm_mode_vrefresh(&cstate->hw.adjusted_mode)); + drm_mode_vrefresh(&crtc_state->hw.adjusted_mode)); } static void psr2_program_idle_frames(struct intel_dp *intel_dp, @@ -943,7 +1018,7 @@ static bool intel_psr2_sel_fetch_config_valid(struct intel_dp *intel_dp, { struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - if (!dev_priv->params.enable_psr2_sel_fetch && + if (!dev_priv->display.params.enable_psr2_sel_fetch && intel_dp->psr.debug != I915_PSR_DEBUG_ENABLE_SEL_FETCH) { drm_dbg_kms(&dev_priv->drm, "PSR2 sel fetch not enabled, disabled by parameter\n"); @@ -1019,7 +1094,7 @@ static bool _compute_psr2_sdp_prior_scanline_indication(struct intel_dp *intel_d return true; /* Not supported <13 / Wa_22012279113:adl-p */ - if (DISPLAY_VER(dev_priv) <= 13 || intel_dp->edp_dpcd[0] < DP_EDP_14b) + if (DISPLAY_VER(dev_priv) < 14 || intel_dp->edp_dpcd[0] < DP_EDP_14b) return false; crtc_state->req_psr2_sdp_prior_scanline = true; @@ -1056,7 +1131,7 @@ static bool _compute_psr2_wake_times(struct intel_dp *intel_dp, fast_wake_lines > max_wake_lines) return false; - if (i915->params.psr_safest_params) + if (i915->display.params.psr_safest_params) io_wake_lines = fast_wake_lines = max_wake_lines; /* According to Bspec lower limit should be set as 7 lines. */ @@ -1066,6 +1141,39 @@ static bool _compute_psr2_wake_times(struct intel_dp *intel_dp, return true; } +static int intel_psr_entry_setup_frames(struct intel_dp *intel_dp, + const struct drm_display_mode *adjusted_mode) +{ + struct drm_i915_private *i915 = dp_to_i915(intel_dp); + int psr_setup_time = drm_dp_psr_setup_time(intel_dp->psr_dpcd); + int entry_setup_frames = 0; + + if (psr_setup_time < 0) { + drm_dbg_kms(&i915->drm, + "PSR condition failed: Invalid PSR setup time (0x%02x)\n", + intel_dp->psr_dpcd[1]); + return -ETIME; + } + + if (intel_usecs_to_scanlines(adjusted_mode, psr_setup_time) > + adjusted_mode->crtc_vtotal - adjusted_mode->crtc_vdisplay - 1) { + if (DISPLAY_VER(i915) >= 20) { + /* setup entry frames can be up to 3 frames */ + entry_setup_frames = 1; + drm_dbg_kms(&i915->drm, + "PSR setup entry frames %d\n", + entry_setup_frames); + } else { + drm_dbg_kms(&i915->drm, + "PSR condition failed: PSR setup time (%d us) too long\n", + psr_setup_time); + return -ETIME; + } + } + + return entry_setup_frames; +} + static bool intel_psr2_config_valid(struct intel_dp *intel_dp, struct intel_crtc_state *crtc_state) { @@ -1113,7 +1221,7 @@ static bool intel_psr2_config_valid(struct intel_dp *intel_dp, * over PSR2. */ if (crtc_state->dsc.compression_enable && - (DISPLAY_VER(dev_priv) <= 13 && !IS_ALDERLAKE_P(dev_priv))) { + (DISPLAY_VER(dev_priv) < 14 && !IS_ALDERLAKE_P(dev_priv))) { drm_dbg_kms(&dev_priv->drm, "PSR2 cannot be enabled since DSC is enabled\n"); return false; @@ -1206,24 +1314,42 @@ unsupported: return false; } -void intel_psr_compute_config(struct intel_dp *intel_dp, - struct intel_crtc_state *crtc_state, - struct drm_connector_state *conn_state) +static bool _psr_compute_config(struct intel_dp *intel_dp, + struct intel_crtc_state *crtc_state) { struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - const struct drm_display_mode *adjusted_mode = - &crtc_state->hw.adjusted_mode; - int psr_setup_time; + const struct drm_display_mode *adjusted_mode = &crtc_state->hw.adjusted_mode; + int entry_setup_frames; /* * Current PSR panels don't work reliably with VRR enabled * So if VRR is enabled, do not enable PSR. */ if (crtc_state->vrr.enable) - return; + return false; if (!CAN_PSR(intel_dp)) - return; + return false; + + entry_setup_frames = intel_psr_entry_setup_frames(intel_dp, adjusted_mode); + + if (entry_setup_frames >= 0) { + intel_dp->psr.entry_setup_frames = entry_setup_frames; + } else { + drm_dbg_kms(&dev_priv->drm, + "PSR condition failed: PSR setup timing not met\n"); + return false; + } + + return true; +} + +void intel_psr_compute_config(struct intel_dp *intel_dp, + struct intel_crtc_state *crtc_state, + struct drm_connector_state *conn_state) +{ + struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + const struct drm_display_mode *adjusted_mode = &crtc_state->hw.adjusted_mode; if (!psr_global_enabled(intel_dp)) { drm_dbg_kms(&dev_priv->drm, "PSR disabled by flag\n"); @@ -1242,23 +1368,25 @@ void intel_psr_compute_config(struct intel_dp *intel_dp, return; } - psr_setup_time = drm_dp_psr_setup_time(intel_dp->psr_dpcd); - if (psr_setup_time < 0) { + /* + * FIXME figure out what is wrong with PSR+bigjoiner and + * fix it. Presumably something related to the fact that + * PSR is a transcoder level feature. + */ + if (crtc_state->bigjoiner_pipes) { drm_dbg_kms(&dev_priv->drm, - "PSR condition failed: Invalid PSR setup time (0x%02x)\n", - intel_dp->psr_dpcd[1]); + "PSR disabled due to bigjoiner\n"); return; } - if (intel_usecs_to_scanlines(adjusted_mode, psr_setup_time) > - adjusted_mode->crtc_vtotal - adjusted_mode->crtc_vdisplay - 1) { - drm_dbg_kms(&dev_priv->drm, - "PSR condition failed: PSR setup time (%d us) too long\n", - psr_setup_time); + if (CAN_PANEL_REPLAY(intel_dp)) + crtc_state->has_panel_replay = true; + else + crtc_state->has_psr = _psr_compute_config(intel_dp, crtc_state); + + if (!(crtc_state->has_panel_replay || crtc_state->has_psr)) return; - } - crtc_state->has_psr = true; crtc_state->has_psr2 = intel_psr2_config_valid(intel_dp, crtc_state); crtc_state->infoframes.enable |= intel_hdmi_infoframe_enable(DP_SDP_VSC); @@ -1279,18 +1407,23 @@ void intel_psr_get_config(struct intel_encoder *encoder, return; intel_dp = &dig_port->dp; - if (!CAN_PSR(intel_dp)) + if (!(CAN_PSR(intel_dp) || CAN_PANEL_REPLAY(intel_dp))) return; mutex_lock(&intel_dp->psr.lock); if (!intel_dp->psr.enabled) goto unlock; - /* - * Not possible to read EDP_PSR/PSR2_CTL registers as it is - * enabled/disabled because of frontbuffer tracking and others. - */ - pipe_config->has_psr = true; + if (intel_dp->psr.panel_replay_enabled) { + pipe_config->has_panel_replay = true; + } else { + /* + * Not possible to read EDP_PSR/PSR2_CTL registers as it is + * enabled/disabled because of frontbuffer tracking and others. + */ + pipe_config->has_psr = true; + } + pipe_config->has_psr2 = intel_dp->psr.psr2_enabled; pipe_config->infoframes.enable |= intel_hdmi_infoframe_enable(DP_SDP_VSC); @@ -1327,8 +1460,10 @@ static void intel_psr_activate(struct intel_dp *intel_dp) lockdep_assert_held(&intel_dp->psr.lock); - /* psr1 and psr2 are mutually exclusive.*/ - if (intel_dp->psr.psr2_enabled) + /* psr1, psr2 and panel-replay are mutually exclusive.*/ + if (intel_dp->psr.panel_replay_enabled) + dg2_activate_panel_replay(intel_dp); + else if (intel_dp->psr.psr2_enabled) hsw_activate_psr2(intel_dp); else hsw_activate_psr1(intel_dp); @@ -1462,12 +1597,10 @@ static void intel_psr_enable_source(struct intel_dp *intel_dp, * All supported adlp panels have 1-based X granularity, this may * cause issues if non-supported panels are used. */ - if (IS_DISPLAY_IP_STEP(dev_priv, IP_VER(14, 0), STEP_A0, STEP_B0)) - intel_de_rmw(dev_priv, MTL_CHICKEN_TRANS(cpu_transcoder), 0, - ADLP_1_BASED_X_GRANULARITY); - else if (IS_ALDERLAKE_P(dev_priv)) - intel_de_rmw(dev_priv, CHICKEN_TRANS(cpu_transcoder), 0, - ADLP_1_BASED_X_GRANULARITY); + if (IS_DISPLAY_IP_STEP(dev_priv, IP_VER(14, 0), STEP_A0, STEP_B0) || + IS_ALDERLAKE_P(dev_priv)) + intel_de_rmw(dev_priv, hsw_chicken_trans_reg(dev_priv, cpu_transcoder), + 0, ADLP_1_BASED_X_GRANULARITY); /* Wa_16012604467:adlp,mtl[a0,b0] */ if (IS_DISPLAY_IP_STEP(dev_priv, IP_VER(14, 0), STEP_A0, STEP_B0)) @@ -1518,6 +1651,7 @@ static void intel_psr_enable_locked(struct intel_dp *intel_dp, drm_WARN_ON(&dev_priv->drm, intel_dp->psr.enabled); intel_dp->psr.psr2_enabled = crtc_state->has_psr2; + intel_dp->psr.panel_replay_enabled = crtc_state->has_panel_replay; intel_dp->psr.busy_frontbuffer_bits = 0; intel_dp->psr.pipe = to_intel_crtc(crtc_state->uapi.crtc)->pipe; intel_dp->psr.transcoder = crtc_state->cpu_transcoder; @@ -1533,8 +1667,12 @@ static void intel_psr_enable_locked(struct intel_dp *intel_dp, if (!psr_interrupt_error_check(intel_dp)) return; - drm_dbg_kms(&dev_priv->drm, "Enabling PSR%s\n", - intel_dp->psr.psr2_enabled ? "2" : "1"); + if (intel_dp->psr.panel_replay_enabled) + drm_dbg_kms(&dev_priv->drm, "Enabling Panel Replay\n"); + else + drm_dbg_kms(&dev_priv->drm, "Enabling PSR%s\n", + intel_dp->psr.psr2_enabled ? "2" : "1"); + intel_write_dp_vsc_sdp(encoder, crtc_state, &crtc_state->psr_vsc); intel_snps_phy_update_psr_power_state(dev_priv, phy, true); intel_psr_enable_sink(intel_dp); @@ -1563,7 +1701,10 @@ static void intel_psr_exit(struct intel_dp *intel_dp) return; } - if (intel_dp->psr.psr2_enabled) { + if (intel_dp->psr.panel_replay_enabled) { + intel_de_rmw(dev_priv, TRANS_DP2_CTL(intel_dp->psr.transcoder), + TRANS_DP2_PANEL_REPLAY_ENABLE, 0); + } else if (intel_dp->psr.psr2_enabled) { tgl_disallow_dc3co_on_psr2_exit(intel_dp); val = intel_de_rmw(dev_priv, EDP_PSR2_CTL(cpu_transcoder), @@ -1612,8 +1753,11 @@ static void intel_psr_disable_locked(struct intel_dp *intel_dp) if (!intel_dp->psr.enabled) return; - drm_dbg_kms(&dev_priv->drm, "Disabling PSR%s\n", - intel_dp->psr.psr2_enabled ? "2" : "1"); + if (intel_dp->psr.panel_replay_enabled) + drm_dbg_kms(&dev_priv->drm, "Disabling Panel Replay\n"); + else + drm_dbg_kms(&dev_priv->drm, "Disabling PSR%s\n", + intel_dp->psr.psr2_enabled ? "2" : "1"); intel_psr_exit(intel_dp); intel_psr_wait_exit_locked(intel_dp); @@ -1646,6 +1790,7 @@ static void intel_psr_disable_locked(struct intel_dp *intel_dp) drm_dp_dpcd_writeb(&intel_dp->aux, DP_RECEIVER_ALPM_CONFIG, 0); intel_dp->psr.enabled = false; + intel_dp->psr.panel_replay_enabled = false; intel_dp->psr.psr2_enabled = false; intel_dp->psr.psr2_sel_fetch_enabled = false; intel_dp->psr.psr2_sel_fetch_cff_enabled = false; @@ -1793,81 +1938,6 @@ static void psr_force_hw_tracking_exit(struct intel_dp *intel_dp) intel_de_write(dev_priv, CURSURFLIVE(intel_dp->psr.pipe), 0); } -void intel_psr2_disable_plane_sel_fetch_arm(struct intel_plane *plane, - const struct intel_crtc_state *crtc_state) -{ - struct drm_i915_private *dev_priv = to_i915(plane->base.dev); - enum pipe pipe = plane->pipe; - - if (!crtc_state->enable_psr2_sel_fetch) - return; - - intel_de_write_fw(dev_priv, PLANE_SEL_FETCH_CTL(pipe, plane->id), 0); -} - -void intel_psr2_program_plane_sel_fetch_arm(struct intel_plane *plane, - const struct intel_crtc_state *crtc_state, - const struct intel_plane_state *plane_state) -{ - struct drm_i915_private *i915 = to_i915(plane->base.dev); - enum pipe pipe = plane->pipe; - - if (!crtc_state->enable_psr2_sel_fetch) - return; - - if (plane->id == PLANE_CURSOR) - intel_de_write_fw(i915, PLANE_SEL_FETCH_CTL(pipe, plane->id), - plane_state->ctl); - else - intel_de_write_fw(i915, PLANE_SEL_FETCH_CTL(pipe, plane->id), - PLANE_SEL_FETCH_CTL_ENABLE); -} - -void intel_psr2_program_plane_sel_fetch_noarm(struct intel_plane *plane, - const struct intel_crtc_state *crtc_state, - const struct intel_plane_state *plane_state, - int color_plane) -{ - struct drm_i915_private *dev_priv = to_i915(plane->base.dev); - enum pipe pipe = plane->pipe; - const struct drm_rect *clip; - u32 val; - int x, y; - - if (!crtc_state->enable_psr2_sel_fetch) - return; - - if (plane->id == PLANE_CURSOR) - return; - - clip = &plane_state->psr2_sel_fetch_area; - - val = (clip->y1 + plane_state->uapi.dst.y1) << 16; - val |= plane_state->uapi.dst.x1; - intel_de_write_fw(dev_priv, PLANE_SEL_FETCH_POS(pipe, plane->id), val); - - x = plane_state->view.color_plane[color_plane].x; - - /* - * From Bspec: UV surface Start Y Position = half of Y plane Y - * start position. - */ - if (!color_plane) - y = plane_state->view.color_plane[color_plane].y + clip->y1; - else - y = plane_state->view.color_plane[color_plane].y + clip->y1 / 2; - - val = y << 16 | x; - - intel_de_write_fw(dev_priv, PLANE_SEL_FETCH_OFFSET(pipe, plane->id), - val); - - /* Sizes are 0 based */ - val = (drm_rect_height(clip) - 1) << 16; - val |= (drm_rect_width(&plane_state->uapi.src) >> 16) - 1; - intel_de_write_fw(dev_priv, PLANE_SEL_FETCH_SIZE(pipe, plane->id), val); -} - void intel_psr2_program_trans_man_trk_ctl(const struct intel_crtc_state *crtc_state) { struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev); @@ -2127,8 +2197,19 @@ int intel_psr2_sel_fetch_update(struct intel_atomic_state *state, continue; inter = pipe_clip; - if (!drm_rect_intersect(&inter, &new_plane_state->uapi.dst)) + sel_fetch_area = &new_plane_state->psr2_sel_fetch_area; + if (!drm_rect_intersect(&inter, &new_plane_state->uapi.dst)) { + sel_fetch_area->y1 = -1; + sel_fetch_area->y2 = -1; + /* + * if plane sel fetch was previously enabled -> + * disable it + */ + if (drm_rect_height(&old_plane_state->psr2_sel_fetch_area) > 0) + crtc_state->update_planes |= BIT(plane->id); + continue; + } if (!psr2_sel_fetch_plane_state_supported(new_plane_state)) { full_update = true; @@ -2217,7 +2298,7 @@ void intel_psr_post_plane_update(struct intel_atomic_state *state, intel_atomic_get_new_crtc_state(state, crtc); struct intel_encoder *encoder; - if (!crtc_state->has_psr) + if (!(crtc_state->has_psr || crtc_state->has_panel_replay)) return; for_each_intel_encoder_mask_with_psr(state->base.dev, encoder, @@ -2703,7 +2784,7 @@ void intel_psr_init(struct intel_dp *intel_dp) struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - if (!HAS_PSR(dev_priv)) + if (!(HAS_PSR(dev_priv) || HAS_DP20(dev_priv))) return; /* @@ -2721,7 +2802,10 @@ void intel_psr_init(struct intel_dp *intel_dp) return; } - intel_dp->psr.source_support = true; + if (HAS_DP20(dev_priv) && !intel_dp_is_edp(intel_dp)) + intel_dp->psr.source_panel_replay_support = true; + else + intel_dp->psr.source_support = true; /* Set link_standby x link_off defaults */ if (DISPLAY_VER(dev_priv) < 12) @@ -2738,12 +2822,19 @@ static int psr_get_status_and_error_status(struct intel_dp *intel_dp, { struct drm_dp_aux *aux = &intel_dp->aux; int ret; + unsigned int offset; + + offset = intel_dp->psr.panel_replay_enabled ? + DP_SINK_DEVICE_PR_AND_FRAME_LOCK_STATUS : DP_PSR_STATUS; - ret = drm_dp_dpcd_readb(aux, DP_PSR_STATUS, status); + ret = drm_dp_dpcd_readb(aux, offset, status); if (ret != 1) return ret; - ret = drm_dp_dpcd_readb(aux, DP_PSR_ERROR_STATUS, error_status); + offset = intel_dp->psr.panel_replay_enabled ? + DP_PANEL_REPLAY_ERROR_STATUS : DP_PSR_ERROR_STATUS; + + ret = drm_dp_dpcd_readb(aux, offset, error_status); if (ret != 1) return ret; @@ -2964,7 +3055,7 @@ psr_source_status(struct intel_dp *intel_dp, struct seq_file *m) status = live_status[status_val]; } - seq_printf(m, "Source PSR status: %s [0x%08x]\n", status, val); + seq_printf(m, "Source PSR/PanelReplay status: %s [0x%08x]\n", status, val); } static int intel_psr_status(struct seq_file *m, struct intel_dp *intel_dp) @@ -2977,18 +3068,22 @@ static int intel_psr_status(struct seq_file *m, struct intel_dp *intel_dp) bool enabled; u32 val; - seq_printf(m, "Sink support: %s", str_yes_no(psr->sink_support)); + seq_printf(m, "Sink support: PSR = %s", + str_yes_no(psr->sink_support)); + if (psr->sink_support) seq_printf(m, " [0x%02x]", intel_dp->psr_dpcd[0]); - seq_puts(m, "\n"); + seq_printf(m, ", Panel Replay = %s\n", str_yes_no(psr->sink_panel_replay_support)); - if (!psr->sink_support) + if (!(psr->sink_support || psr->sink_panel_replay_support)) return 0; wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm); mutex_lock(&psr->lock); - if (psr->enabled) + if (psr->panel_replay_enabled) + status = "Panel Replay Enabled"; + else if (psr->enabled) status = psr->psr2_enabled ? "PSR2 enabled" : "PSR1 enabled"; else status = "disabled"; @@ -3001,14 +3096,17 @@ static int intel_psr_status(struct seq_file *m, struct intel_dp *intel_dp) goto unlock; } - if (psr->psr2_enabled) { + if (psr->panel_replay_enabled) { + val = intel_de_read(dev_priv, TRANS_DP2_CTL(cpu_transcoder)); + enabled = val & TRANS_DP2_PANEL_REPLAY_ENABLE; + } else if (psr->psr2_enabled) { val = intel_de_read(dev_priv, EDP_PSR2_CTL(cpu_transcoder)); enabled = val & EDP_PSR2_ENABLE; } else { val = intel_de_read(dev_priv, psr_ctl_reg(dev_priv, cpu_transcoder)); enabled = val & EDP_PSR_ENABLE; } - seq_printf(m, "Source PSR ctl: %s [0x%08x]\n", + seq_printf(m, "Source PSR/PanelReplay ctl: %s [0x%08x]\n", str_enabled_disabled(enabled), val); psr_source_status(intel_dp, m); seq_printf(m, "Busy frontbuffer bits: 0x%08x\n", @@ -3146,6 +3244,16 @@ void intel_psr_debugfs_register(struct drm_i915_private *i915) i915, &i915_edp_psr_status_fops); } +static const char *psr_mode_str(struct intel_dp *intel_dp) +{ + if (intel_dp->psr.panel_replay_enabled) + return "PANEL-REPLAY"; + else if (intel_dp->psr.enabled) + return "PSR"; + + return "unknown"; +} + static int i915_psr_sink_status_show(struct seq_file *m, void *data) { struct intel_connector *connector = m->private; @@ -3160,12 +3268,19 @@ static int i915_psr_sink_status_show(struct seq_file *m, void *data) "reserved", "sink internal error", }; + static const char * const panel_replay_status[] = { + "Sink device frame is locked to the Source device", + "Sink device is coasting, using the VTotal target", + "Sink device is governing the frame rate (frame rate unlock is granted)", + "Sink device in the process of re-locking with the Source device", + }; const char *str; int ret; u8 status, error_status; + u32 idx; - if (!CAN_PSR(intel_dp)) { - seq_puts(m, "PSR Unsupported\n"); + if (!(CAN_PSR(intel_dp) || CAN_PANEL_REPLAY(intel_dp))) { + seq_puts(m, "PSR/Panel-Replay Unsupported\n"); return -ENODEV; } @@ -3176,15 +3291,20 @@ static int i915_psr_sink_status_show(struct seq_file *m, void *data) if (ret) return ret; - status &= DP_PSR_SINK_STATE_MASK; - if (status < ARRAY_SIZE(sink_status)) - str = sink_status[status]; - else - str = "unknown"; + str = "unknown"; + if (intel_dp->psr.panel_replay_enabled) { + idx = (status & DP_SINK_FRAME_LOCKED_MASK) >> DP_SINK_FRAME_LOCKED_SHIFT; + if (idx < ARRAY_SIZE(panel_replay_status)) + str = panel_replay_status[idx]; + } else if (intel_dp->psr.enabled) { + idx = status & DP_PSR_SINK_STATE_MASK; + if (idx < ARRAY_SIZE(sink_status)) + str = sink_status[idx]; + } - seq_printf(m, "Sink PSR status: 0x%x [%s]\n", status, str); + seq_printf(m, "Sink %s status: 0x%x [%s]\n", psr_mode_str(intel_dp), status, str); - seq_printf(m, "Sink PSR error status: 0x%x", error_status); + seq_printf(m, "Sink %s error status: 0x%x", psr_mode_str(intel_dp), error_status); if (error_status & (DP_PSR_RFB_STORAGE_ERROR | DP_PSR_VSC_SDP_UNCORRECTABLE_ERROR | @@ -3193,11 +3313,11 @@ static int i915_psr_sink_status_show(struct seq_file *m, void *data) else seq_puts(m, "\n"); if (error_status & DP_PSR_RFB_STORAGE_ERROR) - seq_puts(m, "\tPSR RFB storage error\n"); + seq_printf(m, "\t%s RFB storage error\n", psr_mode_str(intel_dp)); if (error_status & DP_PSR_VSC_SDP_UNCORRECTABLE_ERROR) - seq_puts(m, "\tPSR VSC SDP uncorrectable error\n"); + seq_printf(m, "\t%s VSC SDP uncorrectable error\n", psr_mode_str(intel_dp)); if (error_status & DP_PSR_LINK_CRC_ERROR) - seq_puts(m, "\tPSR Link CRC error\n"); + seq_printf(m, "\t%s Link CRC error\n", psr_mode_str(intel_dp)); return ret; } @@ -3217,13 +3337,16 @@ void intel_psr_connector_debugfs_add(struct intel_connector *connector) struct drm_i915_private *i915 = to_i915(connector->base.dev); struct dentry *root = connector->base.debugfs_entry; - if (connector->base.connector_type != DRM_MODE_CONNECTOR_eDP) + /* TODO: Add support for MST connectors as well. */ + if ((connector->base.connector_type != DRM_MODE_CONNECTOR_eDP && + connector->base.connector_type != DRM_MODE_CONNECTOR_DisplayPort) || + connector->mst_port) return; debugfs_create_file("i915_psr_sink_status", 0444, root, connector, &i915_psr_sink_status_fops); - if (HAS_PSR(i915)) + if (HAS_PSR(i915) || HAS_DP20(i915)) debugfs_create_file("i915_psr_status", 0444, root, connector, &i915_psr_status_fops); } |