diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dp.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp.c | 2785 |
1 files changed, 640 insertions, 2145 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 2165398d2c7c..8c12d5375607 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -41,13 +41,13 @@ #include "i915_debugfs.h" #include "i915_drv.h" -#include "i915_trace.h" #include "intel_atomic.h" #include "intel_audio.h" #include "intel_connector.h" #include "intel_ddi.h" #include "intel_display_types.h" #include "intel_dp.h" +#include "intel_dp_aux.h" #include "intel_dp_link_training.h" #include "intel_dp_mst.h" #include "intel_dpio_phy.h" @@ -58,10 +58,12 @@ #include "intel_lspcon.h" #include "intel_lvds.h" #include "intel_panel.h" +#include "intel_pps.h" #include "intel_psr.h" #include "intel_sideband.h" #include "intel_tc.h" #include "intel_vdsc.h" +#include "intel_vrr.h" #define DP_DPRX_ESI_LEN 14 @@ -121,6 +123,11 @@ static const struct dp_link_dpll chv_dpll[] = { { .p1 = 4, .p2 = 1, .n = 1, .m1 = 2, .m2 = 0x6c00000 } }, }; +const struct dpll *vlv_get_dpll(struct drm_i915_private *i915) +{ + return IS_CHERRYVIEW(i915) ? &chv_dpll[0].dpll : &vlv_dpll[0].dpll; +} + /* Constants for DP DSC configurations */ static const u8 valid_dsc_bpp[] = {6, 8, 10, 12, 15}; @@ -145,12 +152,6 @@ bool intel_dp_is_edp(struct intel_dp *intel_dp) static void intel_dp_link_down(struct intel_encoder *encoder, const struct intel_crtc_state *old_crtc_state); -static bool edp_panel_vdd_on(struct intel_dp *intel_dp); -static void edp_panel_vdd_off(struct intel_dp *intel_dp, bool sync); -static void vlv_init_panel_power_sequencer(struct intel_encoder *encoder, - const struct intel_crtc_state *crtc_state); -static void vlv_steal_power_sequencer(struct drm_i915_private *dev_priv, - enum pipe pipe); static void intel_dp_unset_edid(struct intel_dp *intel_dp); /* update sink rates from dpcd */ @@ -162,8 +163,7 @@ static void intel_dp_set_sink_rates(struct intel_dp *intel_dp) int i, max_rate; int max_lttpr_rate; - if (drm_dp_has_quirk(&intel_dp->desc, 0, - DP_DPCD_QUIRK_CAN_DO_MAX_LINK_RATE_3_24_GBPS)) { + if (drm_dp_has_quirk(&intel_dp->desc, DP_DPCD_QUIRK_CAN_DO_MAX_LINK_RATE_3_24_GBPS)) { /* Needed, e.g., for Apple MBP 2017, 15 inch eDP Retina panel */ static const int quirk_rates[] = { 162000, 270000, 324000 }; @@ -480,6 +480,13 @@ int intel_dp_get_link_train_fallback_values(struct intel_dp *intel_dp, return -1; } + if (intel_dp_is_edp(intel_dp) && !intel_dp->use_max_params) { + drm_dbg_kms(&i915->drm, + "Retrying Link training for eDP with max parameters\n"); + intel_dp->use_max_params = true; + return 0; + } + index = intel_dp_rate_index(intel_dp->common_rates, intel_dp->num_common_rates, link_rate); @@ -651,6 +658,10 @@ intel_dp_output_format(struct drm_connector *connector, !drm_mode_is_420_only(info, mode)) return INTEL_OUTPUT_FORMAT_RGB; + if (intel_dp->dfp.rgb_to_ycbcr && + intel_dp->dfp.ycbcr_444_to_420) + return INTEL_OUTPUT_FORMAT_RGB; + if (intel_dp->dfp.ycbcr_444_to_420) return INTEL_OUTPUT_FORMAT_YCBCR444; else @@ -716,6 +727,25 @@ intel_dp_mode_valid_downstream(struct intel_connector *connector, const struct drm_display_info *info = &connector->base.display_info; int tmds_clock; + /* If PCON supports FRL MODE, check FRL bandwidth constraints */ + if (intel_dp->dfp.pcon_max_frl_bw) { + int target_bw; + int max_frl_bw; + int bpp = intel_dp_mode_min_output_bpp(&connector->base, mode); + + target_bw = bpp * target_clock; + + max_frl_bw = intel_dp->dfp.pcon_max_frl_bw; + + /* converting bw from Gbps to Kbps*/ + max_frl_bw = max_frl_bw * 1000000; + + if (target_bw > max_frl_bw) + return MODE_CLOCK_HIGH; + + return MODE_OK; + } + if (intel_dp->dfp.max_dotclock && target_clock > intel_dp->dfp.max_dotclock) return MODE_CLOCK_HIGH; @@ -833,1125 +863,6 @@ intel_dp_mode_valid(struct drm_connector *connector, return intel_mode_valid_max_plane_size(dev_priv, mode, bigjoiner); } -u32 intel_dp_pack_aux(const u8 *src, int src_bytes) -{ - int i; - u32 v = 0; - - if (src_bytes > 4) - src_bytes = 4; - for (i = 0; i < src_bytes; i++) - v |= ((u32)src[i]) << ((3 - i) * 8); - return v; -} - -static void intel_dp_unpack_aux(u32 src, u8 *dst, int dst_bytes) -{ - int i; - if (dst_bytes > 4) - dst_bytes = 4; - for (i = 0; i < dst_bytes; i++) - dst[i] = src >> ((3-i) * 8); -} - -static void -intel_dp_init_panel_power_sequencer(struct intel_dp *intel_dp); -static void -intel_dp_init_panel_power_sequencer_registers(struct intel_dp *intel_dp, - bool force_disable_vdd); -static void -intel_dp_pps_init(struct intel_dp *intel_dp); - -static intel_wakeref_t -pps_lock(struct intel_dp *intel_dp) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - intel_wakeref_t wakeref; - - /* - * See intel_power_sequencer_reset() why we need - * a power domain reference here. - */ - wakeref = intel_display_power_get(dev_priv, - intel_aux_power_domain(dp_to_dig_port(intel_dp))); - - mutex_lock(&dev_priv->pps_mutex); - - return wakeref; -} - -static intel_wakeref_t -pps_unlock(struct intel_dp *intel_dp, intel_wakeref_t wakeref) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - - mutex_unlock(&dev_priv->pps_mutex); - intel_display_power_put(dev_priv, - intel_aux_power_domain(dp_to_dig_port(intel_dp)), - wakeref); - return 0; -} - -#define with_pps_lock(dp, wf) \ - for ((wf) = pps_lock(dp); (wf); (wf) = pps_unlock((dp), (wf))) - -static void -vlv_power_sequencer_kick(struct intel_dp *intel_dp) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); - enum pipe pipe = intel_dp->pps_pipe; - bool pll_enabled, release_cl_override = false; - enum dpio_phy phy = DPIO_PHY(pipe); - enum dpio_channel ch = vlv_pipe_to_channel(pipe); - u32 DP; - - if (drm_WARN(&dev_priv->drm, - intel_de_read(dev_priv, intel_dp->output_reg) & DP_PORT_EN, - "skipping pipe %c power sequencer kick due to [ENCODER:%d:%s] being active\n", - pipe_name(pipe), dig_port->base.base.base.id, - dig_port->base.base.name)) - return; - - drm_dbg_kms(&dev_priv->drm, - "kicking pipe %c power sequencer for [ENCODER:%d:%s]\n", - pipe_name(pipe), dig_port->base.base.base.id, - dig_port->base.base.name); - - /* Preserve the BIOS-computed detected bit. This is - * supposed to be read-only. - */ - DP = intel_de_read(dev_priv, intel_dp->output_reg) & DP_DETECTED; - DP |= DP_VOLTAGE_0_4 | DP_PRE_EMPHASIS_0; - DP |= DP_PORT_WIDTH(1); - DP |= DP_LINK_TRAIN_PAT_1; - - if (IS_CHERRYVIEW(dev_priv)) - DP |= DP_PIPE_SEL_CHV(pipe); - else - DP |= DP_PIPE_SEL(pipe); - - pll_enabled = intel_de_read(dev_priv, DPLL(pipe)) & DPLL_VCO_ENABLE; - - /* - * The DPLL for the pipe must be enabled for this to work. - * So enable temporarily it if it's not already enabled. - */ - if (!pll_enabled) { - release_cl_override = IS_CHERRYVIEW(dev_priv) && - !chv_phy_powergate_ch(dev_priv, phy, ch, true); - - if (vlv_force_pll_on(dev_priv, pipe, IS_CHERRYVIEW(dev_priv) ? - &chv_dpll[0].dpll : &vlv_dpll[0].dpll)) { - drm_err(&dev_priv->drm, - "Failed to force on pll for pipe %c!\n", - pipe_name(pipe)); - return; - } - } - - /* - * Similar magic as in intel_dp_enable_port(). - * We _must_ do this port enable + disable trick - * to make this power sequencer lock onto the port. - * Otherwise even VDD force bit won't work. - */ - intel_de_write(dev_priv, intel_dp->output_reg, DP); - intel_de_posting_read(dev_priv, intel_dp->output_reg); - - intel_de_write(dev_priv, intel_dp->output_reg, DP | DP_PORT_EN); - intel_de_posting_read(dev_priv, intel_dp->output_reg); - - intel_de_write(dev_priv, intel_dp->output_reg, DP & ~DP_PORT_EN); - intel_de_posting_read(dev_priv, intel_dp->output_reg); - - if (!pll_enabled) { - vlv_force_pll_off(dev_priv, pipe); - - if (release_cl_override) - chv_phy_powergate_ch(dev_priv, phy, ch, false); - } -} - -static enum pipe vlv_find_free_pps(struct drm_i915_private *dev_priv) -{ - struct intel_encoder *encoder; - unsigned int pipes = (1 << PIPE_A) | (1 << PIPE_B); - - /* - * We don't have power sequencer currently. - * Pick one that's not used by other ports. - */ - for_each_intel_dp(&dev_priv->drm, encoder) { - struct intel_dp *intel_dp = enc_to_intel_dp(encoder); - - if (encoder->type == INTEL_OUTPUT_EDP) { - drm_WARN_ON(&dev_priv->drm, - intel_dp->active_pipe != INVALID_PIPE && - intel_dp->active_pipe != - intel_dp->pps_pipe); - - if (intel_dp->pps_pipe != INVALID_PIPE) - pipes &= ~(1 << intel_dp->pps_pipe); - } else { - drm_WARN_ON(&dev_priv->drm, - intel_dp->pps_pipe != INVALID_PIPE); - - if (intel_dp->active_pipe != INVALID_PIPE) - pipes &= ~(1 << intel_dp->active_pipe); - } - } - - if (pipes == 0) - return INVALID_PIPE; - - return ffs(pipes) - 1; -} - -static enum pipe -vlv_power_sequencer_pipe(struct intel_dp *intel_dp) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); - enum pipe pipe; - - lockdep_assert_held(&dev_priv->pps_mutex); - - /* We should never land here with regular DP ports */ - drm_WARN_ON(&dev_priv->drm, !intel_dp_is_edp(intel_dp)); - - drm_WARN_ON(&dev_priv->drm, intel_dp->active_pipe != INVALID_PIPE && - intel_dp->active_pipe != intel_dp->pps_pipe); - - if (intel_dp->pps_pipe != INVALID_PIPE) - return intel_dp->pps_pipe; - - pipe = vlv_find_free_pps(dev_priv); - - /* - * Didn't find one. This should not happen since there - * are two power sequencers and up to two eDP ports. - */ - if (drm_WARN_ON(&dev_priv->drm, pipe == INVALID_PIPE)) - pipe = PIPE_A; - - vlv_steal_power_sequencer(dev_priv, pipe); - intel_dp->pps_pipe = pipe; - - drm_dbg_kms(&dev_priv->drm, - "picked pipe %c power sequencer for [ENCODER:%d:%s]\n", - pipe_name(intel_dp->pps_pipe), - dig_port->base.base.base.id, - dig_port->base.base.name); - - /* init power sequencer on this pipe and port */ - intel_dp_init_panel_power_sequencer(intel_dp); - intel_dp_init_panel_power_sequencer_registers(intel_dp, true); - - /* - * Even vdd force doesn't work until we've made - * the power sequencer lock in on the port. - */ - vlv_power_sequencer_kick(intel_dp); - - return intel_dp->pps_pipe; -} - -static int -bxt_power_sequencer_idx(struct intel_dp *intel_dp) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - int backlight_controller = dev_priv->vbt.backlight.controller; - - lockdep_assert_held(&dev_priv->pps_mutex); - - /* We should never land here with regular DP ports */ - drm_WARN_ON(&dev_priv->drm, !intel_dp_is_edp(intel_dp)); - - if (!intel_dp->pps_reset) - return backlight_controller; - - intel_dp->pps_reset = false; - - /* - * Only the HW needs to be reprogrammed, the SW state is fixed and - * has been setup during connector init. - */ - intel_dp_init_panel_power_sequencer_registers(intel_dp, false); - - return backlight_controller; -} - -typedef bool (*vlv_pipe_check)(struct drm_i915_private *dev_priv, - enum pipe pipe); - -static bool vlv_pipe_has_pp_on(struct drm_i915_private *dev_priv, - enum pipe pipe) -{ - return intel_de_read(dev_priv, PP_STATUS(pipe)) & PP_ON; -} - -static bool vlv_pipe_has_vdd_on(struct drm_i915_private *dev_priv, - enum pipe pipe) -{ - return intel_de_read(dev_priv, PP_CONTROL(pipe)) & EDP_FORCE_VDD; -} - -static bool vlv_pipe_any(struct drm_i915_private *dev_priv, - enum pipe pipe) -{ - return true; -} - -static enum pipe -vlv_initial_pps_pipe(struct drm_i915_private *dev_priv, - enum port port, - vlv_pipe_check pipe_check) -{ - enum pipe pipe; - - for (pipe = PIPE_A; pipe <= PIPE_B; pipe++) { - u32 port_sel = intel_de_read(dev_priv, PP_ON_DELAYS(pipe)) & - PANEL_PORT_SELECT_MASK; - - if (port_sel != PANEL_PORT_SELECT_VLV(port)) - continue; - - if (!pipe_check(dev_priv, pipe)) - continue; - - return pipe; - } - - return INVALID_PIPE; -} - -static void -vlv_initial_power_sequencer_setup(struct intel_dp *intel_dp) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); - enum port port = dig_port->base.port; - - lockdep_assert_held(&dev_priv->pps_mutex); - - /* try to find a pipe with this port selected */ - /* first pick one where the panel is on */ - intel_dp->pps_pipe = vlv_initial_pps_pipe(dev_priv, port, - vlv_pipe_has_pp_on); - /* didn't find one? pick one where vdd is on */ - if (intel_dp->pps_pipe == INVALID_PIPE) - intel_dp->pps_pipe = vlv_initial_pps_pipe(dev_priv, port, - vlv_pipe_has_vdd_on); - /* didn't find one? pick one with just the correct port */ - if (intel_dp->pps_pipe == INVALID_PIPE) - intel_dp->pps_pipe = vlv_initial_pps_pipe(dev_priv, port, - vlv_pipe_any); - - /* didn't find one? just let vlv_power_sequencer_pipe() pick one when needed */ - if (intel_dp->pps_pipe == INVALID_PIPE) { - drm_dbg_kms(&dev_priv->drm, - "no initial power sequencer for [ENCODER:%d:%s]\n", - dig_port->base.base.base.id, - dig_port->base.base.name); - return; - } - - drm_dbg_kms(&dev_priv->drm, - "initial power sequencer for [ENCODER:%d:%s]: pipe %c\n", - dig_port->base.base.base.id, - dig_port->base.base.name, - pipe_name(intel_dp->pps_pipe)); - - intel_dp_init_panel_power_sequencer(intel_dp); - intel_dp_init_panel_power_sequencer_registers(intel_dp, false); -} - -void intel_power_sequencer_reset(struct drm_i915_private *dev_priv) -{ - struct intel_encoder *encoder; - - if (drm_WARN_ON(&dev_priv->drm, - !(IS_VALLEYVIEW(dev_priv) || - IS_CHERRYVIEW(dev_priv) || - IS_GEN9_LP(dev_priv)))) - return; - - /* - * We can't grab pps_mutex here due to deadlock with power_domain - * mutex when power_domain functions are called while holding pps_mutex. - * That also means that in order to use pps_pipe the code needs to - * hold both a power domain reference and pps_mutex, and the power domain - * reference get/put must be done while _not_ holding pps_mutex. - * pps_{lock,unlock}() do these steps in the correct order, so one - * should use them always. - */ - - for_each_intel_dp(&dev_priv->drm, encoder) { - struct intel_dp *intel_dp = enc_to_intel_dp(encoder); - - drm_WARN_ON(&dev_priv->drm, - intel_dp->active_pipe != INVALID_PIPE); - - if (encoder->type != INTEL_OUTPUT_EDP) - continue; - - if (IS_GEN9_LP(dev_priv)) - intel_dp->pps_reset = true; - else - intel_dp->pps_pipe = INVALID_PIPE; - } -} - -struct pps_registers { - i915_reg_t pp_ctrl; - i915_reg_t pp_stat; - i915_reg_t pp_on; - i915_reg_t pp_off; - i915_reg_t pp_div; -}; - -static void intel_pps_get_registers(struct intel_dp *intel_dp, - struct pps_registers *regs) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - int pps_idx = 0; - - memset(regs, 0, sizeof(*regs)); - - if (IS_GEN9_LP(dev_priv)) - pps_idx = bxt_power_sequencer_idx(intel_dp); - else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) - pps_idx = vlv_power_sequencer_pipe(intel_dp); - - regs->pp_ctrl = PP_CONTROL(pps_idx); - regs->pp_stat = PP_STATUS(pps_idx); - regs->pp_on = PP_ON_DELAYS(pps_idx); - regs->pp_off = PP_OFF_DELAYS(pps_idx); - - /* Cycle delay moved from PP_DIVISOR to PP_CONTROL */ - if (IS_GEN9_LP(dev_priv) || INTEL_PCH_TYPE(dev_priv) >= PCH_CNP) - regs->pp_div = INVALID_MMIO_REG; - else - regs->pp_div = PP_DIVISOR(pps_idx); -} - -static i915_reg_t -_pp_ctrl_reg(struct intel_dp *intel_dp) -{ - struct pps_registers regs; - - intel_pps_get_registers(intel_dp, ®s); - - return regs.pp_ctrl; -} - -static i915_reg_t -_pp_stat_reg(struct intel_dp *intel_dp) -{ - struct pps_registers regs; - - intel_pps_get_registers(intel_dp, ®s); - - return regs.pp_stat; -} - -static bool edp_have_panel_power(struct intel_dp *intel_dp) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - - lockdep_assert_held(&dev_priv->pps_mutex); - - if ((IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) && - intel_dp->pps_pipe == INVALID_PIPE) - return false; - - return (intel_de_read(dev_priv, _pp_stat_reg(intel_dp)) & PP_ON) != 0; -} - -static bool edp_have_panel_vdd(struct intel_dp *intel_dp) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - - lockdep_assert_held(&dev_priv->pps_mutex); - - if ((IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) && - intel_dp->pps_pipe == INVALID_PIPE) - return false; - - return intel_de_read(dev_priv, _pp_ctrl_reg(intel_dp)) & EDP_FORCE_VDD; -} - -static void -intel_dp_check_edp(struct intel_dp *intel_dp) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - - if (!intel_dp_is_edp(intel_dp)) - return; - - if (!edp_have_panel_power(intel_dp) && !edp_have_panel_vdd(intel_dp)) { - drm_WARN(&dev_priv->drm, 1, - "eDP powered off while attempting aux channel communication.\n"); - drm_dbg_kms(&dev_priv->drm, "Status 0x%08x Control 0x%08x\n", - intel_de_read(dev_priv, _pp_stat_reg(intel_dp)), - intel_de_read(dev_priv, _pp_ctrl_reg(intel_dp))); - } -} - -static u32 -intel_dp_aux_wait_done(struct intel_dp *intel_dp) -{ - struct drm_i915_private *i915 = dp_to_i915(intel_dp); - i915_reg_t ch_ctl = intel_dp->aux_ch_ctl_reg(intel_dp); - const unsigned int timeout_ms = 10; - u32 status; - bool done; - -#define C (((status = intel_uncore_read_notrace(&i915->uncore, ch_ctl)) & DP_AUX_CH_CTL_SEND_BUSY) == 0) - done = wait_event_timeout(i915->gmbus_wait_queue, C, - msecs_to_jiffies_timeout(timeout_ms)); - - /* just trace the final value */ - trace_i915_reg_rw(false, ch_ctl, status, sizeof(status), true); - - if (!done) - drm_err(&i915->drm, - "%s: did not complete or timeout within %ums (status 0x%08x)\n", - intel_dp->aux.name, timeout_ms, status); -#undef C - - return status; -} - -static u32 g4x_get_aux_clock_divider(struct intel_dp *intel_dp, int index) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - - if (index) - return 0; - - /* - * The clock divider is based off the hrawclk, and would like to run at - * 2MHz. So, take the hrawclk value and divide by 2000 and use that - */ - return DIV_ROUND_CLOSEST(RUNTIME_INFO(dev_priv)->rawclk_freq, 2000); -} - -static u32 ilk_get_aux_clock_divider(struct intel_dp *intel_dp, int index) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); - u32 freq; - - if (index) - return 0; - - /* - * The clock divider is based off the cdclk or PCH rawclk, and would - * like to run at 2MHz. So, take the cdclk or PCH rawclk value and - * divide by 2000 and use that - */ - if (dig_port->aux_ch == AUX_CH_A) - freq = dev_priv->cdclk.hw.cdclk; - else - freq = RUNTIME_INFO(dev_priv)->rawclk_freq; - return DIV_ROUND_CLOSEST(freq, 2000); -} - -static u32 hsw_get_aux_clock_divider(struct intel_dp *intel_dp, int index) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); - - if (dig_port->aux_ch != AUX_CH_A && HAS_PCH_LPT_H(dev_priv)) { - /* Workaround for non-ULT HSW */ - switch (index) { - case 0: return 63; - case 1: return 72; - default: return 0; - } - } - - return ilk_get_aux_clock_divider(intel_dp, index); -} - -static u32 skl_get_aux_clock_divider(struct intel_dp *intel_dp, int index) -{ - /* - * SKL doesn't need us to program the AUX clock divider (Hardware will - * derive the clock from CDCLK automatically). We still implement the - * get_aux_clock_divider vfunc to plug-in into the existing code. - */ - return index ? 0 : 1; -} - -static u32 g4x_get_aux_send_ctl(struct intel_dp *intel_dp, - int send_bytes, - u32 aux_clock_divider) -{ - 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); - u32 precharge, timeout; - - if (IS_GEN(dev_priv, 6)) - precharge = 3; - else - precharge = 5; - - if (IS_BROADWELL(dev_priv)) - timeout = DP_AUX_CH_CTL_TIME_OUT_600us; - else - timeout = DP_AUX_CH_CTL_TIME_OUT_400us; - - return DP_AUX_CH_CTL_SEND_BUSY | - DP_AUX_CH_CTL_DONE | - DP_AUX_CH_CTL_INTERRUPT | - DP_AUX_CH_CTL_TIME_OUT_ERROR | - timeout | - DP_AUX_CH_CTL_RECEIVE_ERROR | - (send_bytes << DP_AUX_CH_CTL_MESSAGE_SIZE_SHIFT) | - (precharge << DP_AUX_CH_CTL_PRECHARGE_2US_SHIFT) | - (aux_clock_divider << DP_AUX_CH_CTL_BIT_CLOCK_2X_SHIFT); -} - -static u32 skl_get_aux_send_ctl(struct intel_dp *intel_dp, - int send_bytes, - u32 unused) -{ - struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); - struct drm_i915_private *i915 = - to_i915(dig_port->base.base.dev); - enum phy phy = intel_port_to_phy(i915, dig_port->base.port); - u32 ret; - - ret = DP_AUX_CH_CTL_SEND_BUSY | - DP_AUX_CH_CTL_DONE | - DP_AUX_CH_CTL_INTERRUPT | - DP_AUX_CH_CTL_TIME_OUT_ERROR | - DP_AUX_CH_CTL_TIME_OUT_MAX | - DP_AUX_CH_CTL_RECEIVE_ERROR | - (send_bytes << DP_AUX_CH_CTL_MESSAGE_SIZE_SHIFT) | - DP_AUX_CH_CTL_FW_SYNC_PULSE_SKL(32) | - DP_AUX_CH_CTL_SYNC_PULSE_SKL(32); - - if (intel_phy_is_tc(i915, phy) && - dig_port->tc_mode == TC_PORT_TBT_ALT) - ret |= DP_AUX_CH_CTL_TBT_IO; - - return ret; -} - -static int -intel_dp_aux_xfer(struct intel_dp *intel_dp, - const u8 *send, int send_bytes, - u8 *recv, int recv_size, - u32 aux_send_ctl_flags) -{ - struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); - struct drm_i915_private *i915 = - to_i915(dig_port->base.base.dev); - struct intel_uncore *uncore = &i915->uncore; - enum phy phy = intel_port_to_phy(i915, dig_port->base.port); - bool is_tc_port = intel_phy_is_tc(i915, phy); - i915_reg_t ch_ctl, ch_data[5]; - u32 aux_clock_divider; - enum intel_display_power_domain aux_domain; - intel_wakeref_t aux_wakeref; - intel_wakeref_t pps_wakeref; - int i, ret, recv_bytes; - int try, clock = 0; - u32 status; - bool vdd; - - ch_ctl = intel_dp->aux_ch_ctl_reg(intel_dp); - for (i = 0; i < ARRAY_SIZE(ch_data); i++) - ch_data[i] = intel_dp->aux_ch_data_reg(intel_dp, i); - - if (is_tc_port) - intel_tc_port_lock(dig_port); - - aux_domain = intel_aux_power_domain(dig_port); - - aux_wakeref = intel_display_power_get(i915, aux_domain); - pps_wakeref = pps_lock(intel_dp); - - /* - * We will be called with VDD already enabled for dpcd/edid/oui reads. - * In such cases we want to leave VDD enabled and it's up to upper layers - * to turn it off. But for eg. i2c-dev access we need to turn it on/off - * ourselves. - */ - vdd = edp_panel_vdd_on(intel_dp); - - /* dp aux is extremely sensitive to irq latency, hence request the - * lowest possible wakeup latency and so prevent the cpu from going into - * deep sleep states. - */ - cpu_latency_qos_update_request(&i915->pm_qos, 0); - - intel_dp_check_edp(intel_dp); - - /* Try to wait for any previous AUX channel activity */ - for (try = 0; try < 3; try++) { - status = intel_uncore_read_notrace(uncore, ch_ctl); - if ((status & DP_AUX_CH_CTL_SEND_BUSY) == 0) - break; - msleep(1); - } - /* just trace the final value */ - trace_i915_reg_rw(false, ch_ctl, status, sizeof(status), true); - - if (try == 3) { - const u32 status = intel_uncore_read(uncore, ch_ctl); - - if (status != intel_dp->aux_busy_last_status) { - drm_WARN(&i915->drm, 1, - "%s: not started (status 0x%08x)\n", - intel_dp->aux.name, status); - intel_dp->aux_busy_last_status = status; - } - - ret = -EBUSY; - goto out; - } - - /* Only 5 data registers! */ - if (drm_WARN_ON(&i915->drm, send_bytes > 20 || recv_size > 20)) { - ret = -E2BIG; - goto out; - } - - while ((aux_clock_divider = intel_dp->get_aux_clock_divider(intel_dp, clock++))) { - u32 send_ctl = intel_dp->get_aux_send_ctl(intel_dp, - send_bytes, - aux_clock_divider); - - send_ctl |= aux_send_ctl_flags; - - /* Must try at least 3 times according to DP spec */ - for (try = 0; try < 5; try++) { - /* Load the send data into the aux channel data registers */ - for (i = 0; i < send_bytes; i += 4) - intel_uncore_write(uncore, - ch_data[i >> 2], - intel_dp_pack_aux(send + i, - send_bytes - i)); - - /* Send the command and wait for it to complete */ - intel_uncore_write(uncore, ch_ctl, send_ctl); - - status = intel_dp_aux_wait_done(intel_dp); - - /* Clear done status and any errors */ - intel_uncore_write(uncore, - ch_ctl, - status | - DP_AUX_CH_CTL_DONE | - DP_AUX_CH_CTL_TIME_OUT_ERROR | - DP_AUX_CH_CTL_RECEIVE_ERROR); - - /* DP CTS 1.2 Core Rev 1.1, 4.2.1.1 & 4.2.1.2 - * 400us delay required for errors and timeouts - * Timeout errors from the HW already meet this - * requirement so skip to next iteration - */ - if (status & DP_AUX_CH_CTL_TIME_OUT_ERROR) - continue; - - if (status & DP_AUX_CH_CTL_RECEIVE_ERROR) { - usleep_range(400, 500); - continue; - } - if (status & DP_AUX_CH_CTL_DONE) - goto done; - } - } - - if ((status & DP_AUX_CH_CTL_DONE) == 0) { - drm_err(&i915->drm, "%s: not done (status 0x%08x)\n", - intel_dp->aux.name, status); - ret = -EBUSY; - goto out; - } - -done: - /* Check for timeout or receive error. - * Timeouts occur when the sink is not connected - */ - if (status & DP_AUX_CH_CTL_RECEIVE_ERROR) { - drm_err(&i915->drm, "%s: receive error (status 0x%08x)\n", - intel_dp->aux.name, status); - ret = -EIO; - goto out; - } - - /* Timeouts occur when the device isn't connected, so they're - * "normal" -- don't fill the kernel log with these */ - if (status & DP_AUX_CH_CTL_TIME_OUT_ERROR) { - drm_dbg_kms(&i915->drm, "%s: timeout (status 0x%08x)\n", - intel_dp->aux.name, status); - ret = -ETIMEDOUT; - goto out; - } - - /* Unload any bytes sent back from the other side */ - recv_bytes = ((status & DP_AUX_CH_CTL_MESSAGE_SIZE_MASK) >> - DP_AUX_CH_CTL_MESSAGE_SIZE_SHIFT); - - /* - * By BSpec: "Message sizes of 0 or >20 are not allowed." - * We have no idea of what happened so we return -EBUSY so - * drm layer takes care for the necessary retries. - */ - if (recv_bytes == 0 || recv_bytes > 20) { - drm_dbg_kms(&i915->drm, - "%s: Forbidden recv_bytes = %d on aux transaction\n", - intel_dp->aux.name, recv_bytes); - ret = -EBUSY; - goto out; - } - - if (recv_bytes > recv_size) - recv_bytes = recv_size; - - for (i = 0; i < recv_bytes; i += 4) - intel_dp_unpack_aux(intel_uncore_read(uncore, ch_data[i >> 2]), - recv + i, recv_bytes - i); - - ret = recv_bytes; -out: - cpu_latency_qos_update_request(&i915->pm_qos, PM_QOS_DEFAULT_VALUE); - - if (vdd) - edp_panel_vdd_off(intel_dp, false); - - pps_unlock(intel_dp, pps_wakeref); - intel_display_power_put_async(i915, aux_domain, aux_wakeref); - - if (is_tc_port) - intel_tc_port_unlock(dig_port); - - return ret; -} - -#define BARE_ADDRESS_SIZE 3 -#define HEADER_SIZE (BARE_ADDRESS_SIZE + 1) - -static void -intel_dp_aux_header(u8 txbuf[HEADER_SIZE], - const struct drm_dp_aux_msg *msg) -{ - txbuf[0] = (msg->request << 4) | ((msg->address >> 16) & 0xf); - txbuf[1] = (msg->address >> 8) & 0xff; - txbuf[2] = msg->address & 0xff; - txbuf[3] = msg->size - 1; -} - -static u32 intel_dp_aux_xfer_flags(const struct drm_dp_aux_msg *msg) -{ - /* - * If we're trying to send the HDCP Aksv, we need to set a the Aksv - * select bit to inform the hardware to send the Aksv after our header - * since we can't access that data from software. - */ - if ((msg->request & ~DP_AUX_I2C_MOT) == DP_AUX_NATIVE_WRITE && - msg->address == DP_AUX_HDCP_AKSV) - return DP_AUX_CH_CTL_AUX_AKSV_SELECT; - - return 0; -} - -static ssize_t -intel_dp_aux_transfer(struct drm_dp_aux *aux, struct drm_dp_aux_msg *msg) -{ - struct intel_dp *intel_dp = container_of(aux, struct intel_dp, aux); - struct drm_i915_private *i915 = dp_to_i915(intel_dp); - u8 txbuf[20], rxbuf[20]; - size_t txsize, rxsize; - u32 flags = intel_dp_aux_xfer_flags(msg); - int ret; - - intel_dp_aux_header(txbuf, msg); - - switch (msg->request & ~DP_AUX_I2C_MOT) { - case DP_AUX_NATIVE_WRITE: - case DP_AUX_I2C_WRITE: - case DP_AUX_I2C_WRITE_STATUS_UPDATE: - txsize = msg->size ? HEADER_SIZE + msg->size : BARE_ADDRESS_SIZE; - rxsize = 2; /* 0 or 1 data bytes */ - - if (drm_WARN_ON(&i915->drm, txsize > 20)) - return -E2BIG; - - drm_WARN_ON(&i915->drm, !msg->buffer != !msg->size); - - if (msg->buffer) - memcpy(txbuf + HEADER_SIZE, msg->buffer, msg->size); - - ret = intel_dp_aux_xfer(intel_dp, txbuf, txsize, - rxbuf, rxsize, flags); - if (ret > 0) { - msg->reply = rxbuf[0] >> 4; - - if (ret > 1) { - /* Number of bytes written in a short write. */ - ret = clamp_t(int, rxbuf[1], 0, msg->size); - } else { - /* Return payload size. */ - ret = msg->size; - } - } - break; - - case DP_AUX_NATIVE_READ: - case DP_AUX_I2C_READ: - txsize = msg->size ? HEADER_SIZE : BARE_ADDRESS_SIZE; - rxsize = msg->size + 1; - - if (drm_WARN_ON(&i915->drm, rxsize > 20)) - return -E2BIG; - - ret = intel_dp_aux_xfer(intel_dp, txbuf, txsize, - rxbuf, rxsize, flags); - if (ret > 0) { - msg->reply = rxbuf[0] >> 4; - /* - * Assume happy day, and copy the data. The caller is - * expected to check msg->reply before touching it. - * - * Return payload size. - */ - ret--; - memcpy(msg->buffer, rxbuf + 1, ret); - } - break; - - default: - ret = -EINVAL; - break; - } - - return ret; -} - - -static i915_reg_t g4x_aux_ctl_reg(struct intel_dp *intel_dp) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); - enum aux_ch aux_ch = dig_port->aux_ch; - - switch (aux_ch) { - case AUX_CH_B: - case AUX_CH_C: - case AUX_CH_D: - return DP_AUX_CH_CTL(aux_ch); - default: - MISSING_CASE(aux_ch); - return DP_AUX_CH_CTL(AUX_CH_B); - } -} - -static i915_reg_t g4x_aux_data_reg(struct intel_dp *intel_dp, int index) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); - enum aux_ch aux_ch = dig_port->aux_ch; - - switch (aux_ch) { - case AUX_CH_B: - case AUX_CH_C: - case AUX_CH_D: - return DP_AUX_CH_DATA(aux_ch, index); - default: - MISSING_CASE(aux_ch); - return DP_AUX_CH_DATA(AUX_CH_B, index); - } -} - -static i915_reg_t ilk_aux_ctl_reg(struct intel_dp *intel_dp) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); - enum aux_ch aux_ch = dig_port->aux_ch; - - switch (aux_ch) { - case AUX_CH_A: - return DP_AUX_CH_CTL(aux_ch); - case AUX_CH_B: - case AUX_CH_C: - case AUX_CH_D: - return PCH_DP_AUX_CH_CTL(aux_ch); - default: - MISSING_CASE(aux_ch); - return DP_AUX_CH_CTL(AUX_CH_A); - } -} - -static i915_reg_t ilk_aux_data_reg(struct intel_dp *intel_dp, int index) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); - enum aux_ch aux_ch = dig_port->aux_ch; - - switch (aux_ch) { - case AUX_CH_A: - return DP_AUX_CH_DATA(aux_ch, index); - case AUX_CH_B: - case AUX_CH_C: - case AUX_CH_D: - return PCH_DP_AUX_CH_DATA(aux_ch, index); - default: - MISSING_CASE(aux_ch); - return DP_AUX_CH_DATA(AUX_CH_A, index); - } -} - -static i915_reg_t skl_aux_ctl_reg(struct intel_dp *intel_dp) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); - enum aux_ch aux_ch = dig_port->aux_ch; - - switch (aux_ch) { - case AUX_CH_A: - case AUX_CH_B: - case AUX_CH_C: - case AUX_CH_D: - case AUX_CH_E: - case AUX_CH_F: - return DP_AUX_CH_CTL(aux_ch); - default: - MISSING_CASE(aux_ch); - return DP_AUX_CH_CTL(AUX_CH_A); - } -} - -static i915_reg_t skl_aux_data_reg(struct intel_dp *intel_dp, int index) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); - enum aux_ch aux_ch = dig_port->aux_ch; - - switch (aux_ch) { - case AUX_CH_A: - case AUX_CH_B: - case AUX_CH_C: - case AUX_CH_D: - case AUX_CH_E: - case AUX_CH_F: - return DP_AUX_CH_DATA(aux_ch, index); - default: - MISSING_CASE(aux_ch); - return DP_AUX_CH_DATA(AUX_CH_A, index); - } -} - -static i915_reg_t tgl_aux_ctl_reg(struct intel_dp *intel_dp) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); - enum aux_ch aux_ch = dig_port->aux_ch; - - switch (aux_ch) { - case AUX_CH_A: - case AUX_CH_B: - case AUX_CH_C: - case AUX_CH_USBC1: - case AUX_CH_USBC2: - case AUX_CH_USBC3: - case AUX_CH_USBC4: - case AUX_CH_USBC5: - case AUX_CH_USBC6: - return DP_AUX_CH_CTL(aux_ch); - default: - MISSING_CASE(aux_ch); - return DP_AUX_CH_CTL(AUX_CH_A); - } -} - -static i915_reg_t tgl_aux_data_reg(struct intel_dp *intel_dp, int index) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); - enum aux_ch aux_ch = dig_port->aux_ch; - - switch (aux_ch) { - case AUX_CH_A: - case AUX_CH_B: - case AUX_CH_C: - case AUX_CH_USBC1: - case AUX_CH_USBC2: - case AUX_CH_USBC3: - case AUX_CH_USBC4: - case AUX_CH_USBC5: - case AUX_CH_USBC6: - return DP_AUX_CH_DATA(aux_ch, index); - default: - MISSING_CASE(aux_ch); - return DP_AUX_CH_DATA(AUX_CH_A, index); - } -} - -static void -intel_dp_aux_fini(struct intel_dp *intel_dp) -{ - kfree(intel_dp->aux.name); -} - -static void -intel_dp_aux_init(struct intel_dp *intel_dp) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); - struct intel_encoder *encoder = &dig_port->base; - enum aux_ch aux_ch = dig_port->aux_ch; - - if (INTEL_GEN(dev_priv) >= 12) { - intel_dp->aux_ch_ctl_reg = tgl_aux_ctl_reg; - intel_dp->aux_ch_data_reg = tgl_aux_data_reg; - } else if (INTEL_GEN(dev_priv) >= 9) { - intel_dp->aux_ch_ctl_reg = skl_aux_ctl_reg; - intel_dp->aux_ch_data_reg = skl_aux_data_reg; - } else if (HAS_PCH_SPLIT(dev_priv)) { - intel_dp->aux_ch_ctl_reg = ilk_aux_ctl_reg; - intel_dp->aux_ch_data_reg = ilk_aux_data_reg; - } else { - intel_dp->aux_ch_ctl_reg = g4x_aux_ctl_reg; - intel_dp->aux_ch_data_reg = g4x_aux_data_reg; - } - - if (INTEL_GEN(dev_priv) >= 9) - intel_dp->get_aux_clock_divider = skl_get_aux_clock_divider; - else if (IS_BROADWELL(dev_priv) || IS_HASWELL(dev_priv)) - intel_dp->get_aux_clock_divider = hsw_get_aux_clock_divider; - else if (HAS_PCH_SPLIT(dev_priv)) - intel_dp->get_aux_clock_divider = ilk_get_aux_clock_divider; - else - intel_dp->get_aux_clock_divider = g4x_get_aux_clock_divider; - - if (INTEL_GEN(dev_priv) >= 9) - intel_dp->get_aux_send_ctl = skl_get_aux_send_ctl; - else - intel_dp->get_aux_send_ctl = g4x_get_aux_send_ctl; - - drm_dp_aux_init(&intel_dp->aux); - - /* Failure to allocate our preferred name is not critical */ - if (INTEL_GEN(dev_priv) >= 12 && aux_ch >= AUX_CH_USBC1) - intel_dp->aux.name = kasprintf(GFP_KERNEL, "AUX USBC%c/%s", - aux_ch - AUX_CH_USBC1 + '1', - encoder->base.name); - else - intel_dp->aux.name = kasprintf(GFP_KERNEL, "AUX %c/%s", - aux_ch_name(aux_ch), - encoder->base.name); - - intel_dp->aux.transfer = intel_dp_aux_transfer; -} - bool intel_dp_source_supports_hbr2(struct intel_dp *intel_dp) { int max_rate = intel_dp->source_rates[intel_dp->num_source_rates - 1]; @@ -2263,6 +1174,44 @@ intel_dp_compute_link_config_wide(struct intel_dp *intel_dp, return -EINVAL; } +/* Optimize link config in order: max bpp, min lanes, min clock */ +static int +intel_dp_compute_link_config_fast(struct intel_dp *intel_dp, + struct intel_crtc_state *pipe_config, + const struct link_config_limits *limits) +{ + const struct drm_display_mode *adjusted_mode = &pipe_config->hw.adjusted_mode; + int bpp, clock, lane_count; + int mode_rate, link_clock, link_avail; + + for (bpp = limits->max_bpp; bpp >= limits->min_bpp; bpp -= 2 * 3) { + int output_bpp = intel_dp_output_bpp(pipe_config->output_format, bpp); + + mode_rate = intel_dp_link_required(adjusted_mode->crtc_clock, + output_bpp); + + for (lane_count = limits->min_lane_count; + lane_count <= limits->max_lane_count; + lane_count <<= 1) { + for (clock = limits->min_clock; clock <= limits->max_clock; clock++) { + link_clock = intel_dp->common_rates[clock]; + link_avail = intel_dp_max_data_rate(link_clock, + lane_count); + + if (mode_rate <= link_avail) { + pipe_config->lane_count = lane_count; + pipe_config->pipe_bpp = bpp; + pipe_config->port_clock = link_clock; + + return 0; + } + } + } + } + + return -EINVAL; +} + static int intel_dp_dsc_compute_bpp(struct intel_dp *intel_dp, u8 dsc_max_bpc) { int i, num_bpc; @@ -2289,6 +1238,14 @@ static int intel_dp_dsc_compute_params(struct intel_encoder *encoder, u8 line_buf_depth; int ret; + /* + * RC_MODEL_SIZE is currently a constant across all configurations. + * + * FIXME: Look into using sink defined DPCD DP_DSC_RC_BUF_BLK_SIZE and + * DP_DSC_RC_BUF_SIZE for this. + */ + vdsc_cfg->rc_model_size = DSC_RC_MODEL_SIZE_CONST; + ret = intel_dsc_compute_params(encoder, crtc_state); if (ret) return ret; @@ -2478,13 +1435,14 @@ intel_dp_compute_link_config(struct intel_encoder *encoder, limits.min_bpp = intel_dp_min_bpp(pipe_config->output_format); limits.max_bpp = intel_dp_max_bpp(intel_dp, pipe_config); - if (intel_dp_is_edp(intel_dp)) { + if (intel_dp->use_max_params) { /* * Use the maximum clock and number of lanes the eDP panel - * advertizes being capable of. The panels are generally + * advertizes being capable of in case the initial fast + * optimal params failed us. The panels are generally * designed to support only a single clock and lane - * configuration, and typically these values correspond to the - * native resolution of the panel. + * configuration, and typically on older panels these + * values correspond to the native resolution of the panel. */ limits.min_lane_count = limits.max_lane_count; limits.min_clock = limits.max_clock; @@ -2503,11 +1461,22 @@ intel_dp_compute_link_config(struct intel_encoder *encoder, intel_dp_can_bigjoiner(intel_dp)) pipe_config->bigjoiner = true; - /* - * Optimize for slow and wide. This is the place to add alternative - * optimization policy. - */ - ret = intel_dp_compute_link_config_wide(intel_dp, pipe_config, &limits); + if (intel_dp_is_edp(intel_dp)) + /* + * Optimize for fast and narrow. eDP 1.3 section 3.3 and eDP 1.4 + * section A.1: "It is recommended that the minimum number of + * lanes be used, using the minimum link rate allowed for that + * lane configuration." + * + * Note that we fall back to the max clock and lane count for eDP + * panels that fail with the fast optimal settings (see + * intel_dp->use_max_params), in which case the fast vs. wide + * choice doesn't matter. + */ + ret = intel_dp_compute_link_config_fast(intel_dp, pipe_config, &limits); + else + /* Optimize for slow and wide. */ + ret = intel_dp_compute_link_config_wide(intel_dp, pipe_config, &limits); /* enable compression if the mode doesn't fit available BW */ drm_dbg_kms(&i915->drm, "Force DSC en = %d\n", intel_dp->force_dsc_en); @@ -2756,6 +1725,9 @@ intel_dp_drrs_compute_config(struct intel_dp *intel_dp, struct intel_connector *intel_connector = intel_dp->attached_connector; struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + if (pipe_config->vrr.enable) + return; + /* * DRRS and PSR can't be enable together, so giving preference to PSR * as it allows more power-savings by complete shutting down display, @@ -2788,8 +1760,7 @@ intel_dp_compute_config(struct intel_encoder *encoder, struct intel_connector *intel_connector = intel_dp->attached_connector; struct intel_digital_connector_state *intel_conn_state = to_intel_digital_connector_state(conn_state); - bool constant_n = drm_dp_has_quirk(&intel_dp->desc, 0, - DP_DPCD_QUIRK_CONSTANT_N); + bool constant_n = drm_dp_has_quirk(&intel_dp->desc, DP_DPCD_QUIRK_CONSTANT_N); int ret = 0, output_bpp; if (HAS_PCH_SPLIT(dev_priv) && !HAS_DDI(dev_priv) && port != PORT_A) @@ -2859,6 +1830,7 @@ intel_dp_compute_config(struct intel_encoder *encoder, if (!HAS_DDI(dev_priv)) intel_dp_set_clock(encoder, pipe_config); + intel_vrr_compute_config(pipe_config, conn_state); intel_psr_compute_config(intel_dp, pipe_config); intel_dp_drrs_compute_config(intel_dp, pipe_config, output_bpp, constant_n); @@ -2959,427 +1931,6 @@ static void intel_dp_prepare(struct intel_encoder *encoder, } } -#define IDLE_ON_MASK (PP_ON | PP_SEQUENCE_MASK | 0 | PP_SEQUENCE_STATE_MASK) -#define IDLE_ON_VALUE (PP_ON | PP_SEQUENCE_NONE | 0 | PP_SEQUENCE_STATE_ON_IDLE) - -#define IDLE_OFF_MASK (PP_ON | PP_SEQUENCE_MASK | 0 | 0) -#define IDLE_OFF_VALUE (0 | PP_SEQUENCE_NONE | 0 | 0) - -#define IDLE_CYCLE_MASK (PP_ON | PP_SEQUENCE_MASK | PP_CYCLE_DELAY_ACTIVE | PP_SEQUENCE_STATE_MASK) -#define IDLE_CYCLE_VALUE (0 | PP_SEQUENCE_NONE | 0 | PP_SEQUENCE_STATE_OFF_IDLE) - -static void intel_pps_verify_state(struct intel_dp *intel_dp); - -static void wait_panel_status(struct intel_dp *intel_dp, - u32 mask, - u32 value) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - i915_reg_t pp_stat_reg, pp_ctrl_reg; - - lockdep_assert_held(&dev_priv->pps_mutex); - - intel_pps_verify_state(intel_dp); - - pp_stat_reg = _pp_stat_reg(intel_dp); - pp_ctrl_reg = _pp_ctrl_reg(intel_dp); - - drm_dbg_kms(&dev_priv->drm, - "mask %08x value %08x status %08x control %08x\n", - mask, value, - intel_de_read(dev_priv, pp_stat_reg), - intel_de_read(dev_priv, pp_ctrl_reg)); - - if (intel_de_wait_for_register(dev_priv, pp_stat_reg, - mask, value, 5000)) - drm_err(&dev_priv->drm, - "Panel status timeout: status %08x control %08x\n", - intel_de_read(dev_priv, pp_stat_reg), - intel_de_read(dev_priv, pp_ctrl_reg)); - - drm_dbg_kms(&dev_priv->drm, "Wait complete\n"); -} - -static void wait_panel_on(struct intel_dp *intel_dp) -{ - struct drm_i915_private *i915 = dp_to_i915(intel_dp); - - drm_dbg_kms(&i915->drm, "Wait for panel power on\n"); - wait_panel_status(intel_dp, IDLE_ON_MASK, IDLE_ON_VALUE); -} - -static void wait_panel_off(struct intel_dp *intel_dp) -{ - struct drm_i915_private *i915 = dp_to_i915(intel_dp); - - drm_dbg_kms(&i915->drm, "Wait for panel power off time\n"); - wait_panel_status(intel_dp, IDLE_OFF_MASK, IDLE_OFF_VALUE); -} - -static void wait_panel_power_cycle(struct intel_dp *intel_dp) -{ - struct drm_i915_private *i915 = dp_to_i915(intel_dp); - ktime_t panel_power_on_time; - s64 panel_power_off_duration; - - drm_dbg_kms(&i915->drm, "Wait for panel power cycle\n"); - - /* take the difference of currrent time and panel power off time - * and then make panel wait for t11_t12 if needed. */ - panel_power_on_time = ktime_get_boottime(); - panel_power_off_duration = ktime_ms_delta(panel_power_on_time, intel_dp->panel_power_off_time); - - /* When we disable the VDD override bit last we have to do the manual - * wait. */ - if (panel_power_off_duration < (s64)intel_dp->panel_power_cycle_delay) - wait_remaining_ms_from_jiffies(jiffies, - intel_dp->panel_power_cycle_delay - panel_power_off_duration); - - wait_panel_status(intel_dp, IDLE_CYCLE_MASK, IDLE_CYCLE_VALUE); -} - -static void wait_backlight_on(struct intel_dp *intel_dp) -{ - wait_remaining_ms_from_jiffies(intel_dp->last_power_on, - intel_dp->backlight_on_delay); -} - -static void edp_wait_backlight_off(struct intel_dp *intel_dp) -{ - wait_remaining_ms_from_jiffies(intel_dp->last_backlight_off, - intel_dp->backlight_off_delay); -} - -/* Read the current pp_control value, unlocking the register if it - * is locked - */ - -static u32 ilk_get_pp_control(struct intel_dp *intel_dp) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - u32 control; - - lockdep_assert_held(&dev_priv->pps_mutex); - - control = intel_de_read(dev_priv, _pp_ctrl_reg(intel_dp)); - if (drm_WARN_ON(&dev_priv->drm, !HAS_DDI(dev_priv) && - (control & PANEL_UNLOCK_MASK) != PANEL_UNLOCK_REGS)) { - control &= ~PANEL_UNLOCK_MASK; - control |= PANEL_UNLOCK_REGS; - } - return control; -} - -/* - * Must be paired with edp_panel_vdd_off(). - * Must hold pps_mutex around the whole on/off sequence. - * Can be nested with intel_edp_panel_vdd_{on,off}() calls. - */ -static bool edp_panel_vdd_on(struct intel_dp *intel_dp) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); - u32 pp; - i915_reg_t pp_stat_reg, pp_ctrl_reg; - bool need_to_disable = !intel_dp->want_panel_vdd; - - lockdep_assert_held(&dev_priv->pps_mutex); - - if (!intel_dp_is_edp(intel_dp)) - return false; - - cancel_delayed_work(&intel_dp->panel_vdd_work); - intel_dp->want_panel_vdd = true; - - if (edp_have_panel_vdd(intel_dp)) - return need_to_disable; - - intel_display_power_get(dev_priv, - intel_aux_power_domain(dig_port)); - - drm_dbg_kms(&dev_priv->drm, "Turning [ENCODER:%d:%s] VDD on\n", - dig_port->base.base.base.id, - dig_port->base.base.name); - - if (!edp_have_panel_power(intel_dp)) - wait_panel_power_cycle(intel_dp); - - pp = ilk_get_pp_control(intel_dp); - pp |= EDP_FORCE_VDD; - - pp_stat_reg = _pp_stat_reg(intel_dp); - pp_ctrl_reg = _pp_ctrl_reg(intel_dp); - - intel_de_write(dev_priv, pp_ctrl_reg, pp); - intel_de_posting_read(dev_priv, pp_ctrl_reg); - drm_dbg_kms(&dev_priv->drm, "PP_STATUS: 0x%08x PP_CONTROL: 0x%08x\n", - intel_de_read(dev_priv, pp_stat_reg), - intel_de_read(dev_priv, pp_ctrl_reg)); - /* - * If the panel wasn't on, delay before accessing aux channel - */ - if (!edp_have_panel_power(intel_dp)) { - drm_dbg_kms(&dev_priv->drm, - "[ENCODER:%d:%s] panel power wasn't enabled\n", - dig_port->base.base.base.id, - dig_port->base.base.name); - msleep(intel_dp->panel_power_up_delay); - } - - return need_to_disable; -} - -/* - * Must be paired with intel_edp_panel_vdd_off() or - * intel_edp_panel_off(). - * Nested calls to these functions are not allowed since - * we drop the lock. Caller must use some higher level - * locking to prevent nested calls from other threads. - */ -void intel_edp_panel_vdd_on(struct intel_dp *intel_dp) -{ - intel_wakeref_t wakeref; - bool vdd; - - if (!intel_dp_is_edp(intel_dp)) - return; - - vdd = false; - with_pps_lock(intel_dp, wakeref) - vdd = edp_panel_vdd_on(intel_dp); - I915_STATE_WARN(!vdd, "[ENCODER:%d:%s] VDD already requested on\n", - dp_to_dig_port(intel_dp)->base.base.base.id, - dp_to_dig_port(intel_dp)->base.base.name); -} - -static void edp_panel_vdd_off_sync(struct intel_dp *intel_dp) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - struct intel_digital_port *dig_port = - dp_to_dig_port(intel_dp); - u32 pp; - i915_reg_t pp_stat_reg, pp_ctrl_reg; - - lockdep_assert_held(&dev_priv->pps_mutex); - - drm_WARN_ON(&dev_priv->drm, intel_dp->want_panel_vdd); - - if (!edp_have_panel_vdd(intel_dp)) - return; - - drm_dbg_kms(&dev_priv->drm, "Turning [ENCODER:%d:%s] VDD off\n", - dig_port->base.base.base.id, - dig_port->base.base.name); - - pp = ilk_get_pp_control(intel_dp); - pp &= ~EDP_FORCE_VDD; - - pp_ctrl_reg = _pp_ctrl_reg(intel_dp); - pp_stat_reg = _pp_stat_reg(intel_dp); - - intel_de_write(dev_priv, pp_ctrl_reg, pp); - intel_de_posting_read(dev_priv, pp_ctrl_reg); - - /* Make sure sequencer is idle before allowing subsequent activity */ - drm_dbg_kms(&dev_priv->drm, "PP_STATUS: 0x%08x PP_CONTROL: 0x%08x\n", - intel_de_read(dev_priv, pp_stat_reg), - intel_de_read(dev_priv, pp_ctrl_reg)); - - if ((pp & PANEL_POWER_ON) == 0) - intel_dp->panel_power_off_time = ktime_get_boottime(); - - intel_display_power_put_unchecked(dev_priv, - intel_aux_power_domain(dig_port)); -} - -static void edp_panel_vdd_work(struct work_struct *__work) -{ - struct intel_dp *intel_dp = - container_of(to_delayed_work(__work), - struct intel_dp, panel_vdd_work); - intel_wakeref_t wakeref; - - with_pps_lock(intel_dp, wakeref) { - if (!intel_dp->want_panel_vdd) - edp_panel_vdd_off_sync(intel_dp); - } -} - -static void edp_panel_vdd_schedule_off(struct intel_dp *intel_dp) -{ - unsigned long delay; - - /* - * Queue the timer to fire a long time from now (relative to the power - * down delay) to keep the panel power up across a sequence of - * operations. - */ - delay = msecs_to_jiffies(intel_dp->panel_power_cycle_delay * 5); - schedule_delayed_work(&intel_dp->panel_vdd_work, delay); -} - -/* - * Must be paired with edp_panel_vdd_on(). - * Must hold pps_mutex around the whole on/off sequence. - * Can be nested with intel_edp_panel_vdd_{on,off}() calls. - */ -static void edp_panel_vdd_off(struct intel_dp *intel_dp, bool sync) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - - lockdep_assert_held(&dev_priv->pps_mutex); - - if (!intel_dp_is_edp(intel_dp)) - return; - - I915_STATE_WARN(!intel_dp->want_panel_vdd, "[ENCODER:%d:%s] VDD not forced on", - dp_to_dig_port(intel_dp)->base.base.base.id, - dp_to_dig_port(intel_dp)->base.base.name); - - intel_dp->want_panel_vdd = false; - - if (sync) - edp_panel_vdd_off_sync(intel_dp); - else - edp_panel_vdd_schedule_off(intel_dp); -} - -static void edp_panel_on(struct intel_dp *intel_dp) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - u32 pp; - i915_reg_t pp_ctrl_reg; - - lockdep_assert_held(&dev_priv->pps_mutex); - - if (!intel_dp_is_edp(intel_dp)) - return; - - drm_dbg_kms(&dev_priv->drm, "Turn [ENCODER:%d:%s] panel power on\n", - dp_to_dig_port(intel_dp)->base.base.base.id, - dp_to_dig_port(intel_dp)->base.base.name); - - if (drm_WARN(&dev_priv->drm, edp_have_panel_power(intel_dp), - "[ENCODER:%d:%s] panel power already on\n", - dp_to_dig_port(intel_dp)->base.base.base.id, - dp_to_dig_port(intel_dp)->base.base.name)) - return; - - wait_panel_power_cycle(intel_dp); - - pp_ctrl_reg = _pp_ctrl_reg(intel_dp); - pp = ilk_get_pp_control(intel_dp); - if (IS_GEN(dev_priv, 5)) { - /* ILK workaround: disable reset around power sequence */ - pp &= ~PANEL_POWER_RESET; - intel_de_write(dev_priv, pp_ctrl_reg, pp); - intel_de_posting_read(dev_priv, pp_ctrl_reg); - } - - pp |= PANEL_POWER_ON; - if (!IS_GEN(dev_priv, 5)) - pp |= PANEL_POWER_RESET; - - intel_de_write(dev_priv, pp_ctrl_reg, pp); - intel_de_posting_read(dev_priv, pp_ctrl_reg); - - wait_panel_on(intel_dp); - intel_dp->last_power_on = jiffies; - - if (IS_GEN(dev_priv, 5)) { - pp |= PANEL_POWER_RESET; /* restore panel reset bit */ - intel_de_write(dev_priv, pp_ctrl_reg, pp); - intel_de_posting_read(dev_priv, pp_ctrl_reg); - } -} - -void intel_edp_panel_on(struct intel_dp *intel_dp) -{ - intel_wakeref_t wakeref; - - if (!intel_dp_is_edp(intel_dp)) - return; - - with_pps_lock(intel_dp, wakeref) - edp_panel_on(intel_dp); -} - - -static void edp_panel_off(struct intel_dp *intel_dp) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); - u32 pp; - i915_reg_t pp_ctrl_reg; - - lockdep_assert_held(&dev_priv->pps_mutex); - - if (!intel_dp_is_edp(intel_dp)) - return; - - drm_dbg_kms(&dev_priv->drm, "Turn [ENCODER:%d:%s] panel power off\n", - dig_port->base.base.base.id, dig_port->base.base.name); - - drm_WARN(&dev_priv->drm, !intel_dp->want_panel_vdd, - "Need [ENCODER:%d:%s] VDD to turn off panel\n", - dig_port->base.base.base.id, dig_port->base.base.name); - - pp = ilk_get_pp_control(intel_dp); - /* We need to switch off panel power _and_ force vdd, for otherwise some - * panels get very unhappy and cease to work. */ - pp &= ~(PANEL_POWER_ON | PANEL_POWER_RESET | EDP_FORCE_VDD | - EDP_BLC_ENABLE); - - pp_ctrl_reg = _pp_ctrl_reg(intel_dp); - - intel_dp->want_panel_vdd = false; - - intel_de_write(dev_priv, pp_ctrl_reg, pp); - intel_de_posting_read(dev_priv, pp_ctrl_reg); - - wait_panel_off(intel_dp); - intel_dp->panel_power_off_time = ktime_get_boottime(); - - /* We got a reference when we enabled the VDD. */ - intel_display_power_put_unchecked(dev_priv, intel_aux_power_domain(dig_port)); -} - -void intel_edp_panel_off(struct intel_dp *intel_dp) -{ - intel_wakeref_t wakeref; - - if (!intel_dp_is_edp(intel_dp)) - return; - - with_pps_lock(intel_dp, wakeref) - edp_panel_off(intel_dp); -} - -/* Enable backlight in the panel power control. */ -static void _intel_edp_backlight_on(struct intel_dp *intel_dp) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - intel_wakeref_t wakeref; - - /* - * If we enable the backlight right away following a panel power - * on, we may see slight flicker as the panel syncs with the eDP - * link. So delay a bit to make sure the image is solid before - * allowing it to appear. - */ - wait_backlight_on(intel_dp); - - with_pps_lock(intel_dp, wakeref) { - i915_reg_t pp_ctrl_reg = _pp_ctrl_reg(intel_dp); - u32 pp; - - pp = ilk_get_pp_control(intel_dp); - pp |= EDP_BLC_ENABLE; - - intel_de_write(dev_priv, pp_ctrl_reg, pp); - intel_de_posting_read(dev_priv, pp_ctrl_reg); - } -} /* Enable backlight PWM and backlight PP control. */ void intel_edp_backlight_on(const struct intel_crtc_state *crtc_state, @@ -3394,31 +1945,7 @@ void intel_edp_backlight_on(const struct intel_crtc_state *crtc_state, drm_dbg_kms(&i915->drm, "\n"); intel_panel_enable_backlight(crtc_state, conn_state); - _intel_edp_backlight_on(intel_dp); -} - -/* Disable backlight in the panel power control. */ -static void _intel_edp_backlight_off(struct intel_dp *intel_dp) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - intel_wakeref_t wakeref; - - if (!intel_dp_is_edp(intel_dp)) - return; - - with_pps_lock(intel_dp, wakeref) { - i915_reg_t pp_ctrl_reg = _pp_ctrl_reg(intel_dp); - u32 pp; - - pp = ilk_get_pp_control(intel_dp); - pp &= ~EDP_BLC_ENABLE; - - intel_de_write(dev_priv, pp_ctrl_reg, pp); - intel_de_posting_read(dev_priv, pp_ctrl_reg); - } - - intel_dp->last_backlight_off = jiffies; - edp_wait_backlight_off(intel_dp); + intel_pps_backlight_on(intel_dp); } /* Disable backlight PP control and backlight PWM. */ @@ -3432,37 +1959,10 @@ void intel_edp_backlight_off(const struct drm_connector_state *old_conn_state) drm_dbg_kms(&i915->drm, "\n"); - _intel_edp_backlight_off(intel_dp); + intel_pps_backlight_off(intel_dp); intel_panel_disable_backlight(old_conn_state); } -/* - * Hook for controlling the panel power control backlight through the bl_power - * sysfs attribute. Take care to handle multiple calls. - */ -static void intel_edp_backlight_power(struct intel_connector *connector, - bool enable) -{ - struct drm_i915_private *i915 = to_i915(connector->base.dev); - struct intel_dp *intel_dp = intel_attached_dp(connector); - intel_wakeref_t wakeref; - bool is_enabled; - - is_enabled = false; - with_pps_lock(intel_dp, wakeref) - is_enabled = ilk_get_pp_control(intel_dp) & EDP_BLC_ENABLE; - if (is_enabled == enable) - return; - - drm_dbg_kms(&i915->drm, "panel power control backlight %s\n", - enable ? "enable" : "disable"); - - if (enable) - _intel_edp_backlight_on(intel_dp); - else - _intel_edp_backlight_off(intel_dp); -} - static void assert_dp_port(struct intel_dp *intel_dp, bool state) { struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); @@ -3579,6 +2079,29 @@ void intel_dp_sink_set_decompression_state(struct intel_dp *intel_dp, enable ? "enable" : "disable"); } +static void +intel_edp_init_source_oui(struct intel_dp *intel_dp, bool careful) +{ + struct drm_i915_private *i915 = dp_to_i915(intel_dp); + u8 oui[] = { 0x00, 0xaa, 0x01 }; + u8 buf[3] = { 0 }; + + /* + * During driver init, we want to be careful and avoid changing the source OUI if it's + * already set to what we want, so as to avoid clearing any state by accident + */ + if (careful) { + if (drm_dp_dpcd_read(&intel_dp->aux, DP_SOURCE_OUI, buf, sizeof(buf)) < 0) + drm_err(&i915->drm, "Failed to read source OUI\n"); + + if (memcmp(oui, buf, sizeof(oui)) == 0) + return; + } + + if (drm_dp_dpcd_write(&intel_dp->aux, DP_SOURCE_OUI, oui, sizeof(oui)) < 0) + drm_err(&i915->drm, "Failed to write source OUI\n"); +} + /* If the device supports it, try to set the power state appropriately */ void intel_dp_set_power(struct intel_dp *intel_dp, u8 mode) { @@ -3600,6 +2123,10 @@ void intel_dp_set_power(struct intel_dp *intel_dp, u8 mode) lspcon_resume(dp_to_dig_port(intel_dp)); + /* Write the source OUI as early as possible */ + if (intel_dp_is_edp(intel_dp)) + intel_edp_init_source_oui(intel_dp, false); + /* * When turning on, we need to retry for 1ms to give the sink * time to wake up. @@ -3856,10 +2383,12 @@ static void intel_disable_dp(struct intel_atomic_state *state, /* Make sure the panel is off before trying to change the mode. But also * ensure that we have vdd while we switch off the panel. */ - intel_edp_panel_vdd_on(intel_dp); + intel_pps_vdd_on(intel_dp); intel_edp_backlight_off(old_conn_state); intel_dp_set_power(intel_dp, DP_SET_POWER_D3); - intel_edp_panel_off(intel_dp); + intel_pps_off(intel_dp); + intel_dp->frl.is_trained = false; + intel_dp->frl.trained_rate_gbps = 0; } static void g4x_disable_dp(struct intel_atomic_state *state, @@ -3955,6 +2484,280 @@ cpt_set_link_train(struct intel_dp *intel_dp, intel_de_posting_read(dev_priv, intel_dp->output_reg); } +static void intel_dp_get_pcon_dsc_cap(struct intel_dp *intel_dp) +{ + struct drm_i915_private *i915 = dp_to_i915(intel_dp); + + /* Clear the cached register set to avoid using stale values */ + + memset(intel_dp->pcon_dsc_dpcd, 0, sizeof(intel_dp->pcon_dsc_dpcd)); + + if (drm_dp_dpcd_read(&intel_dp->aux, DP_PCON_DSC_ENCODER, + intel_dp->pcon_dsc_dpcd, + sizeof(intel_dp->pcon_dsc_dpcd)) < 0) + drm_err(&i915->drm, "Failed to read DPCD register 0x%x\n", + DP_PCON_DSC_ENCODER); + + drm_dbg_kms(&i915->drm, "PCON ENCODER DSC DPCD: %*ph\n", + (int)sizeof(intel_dp->pcon_dsc_dpcd), intel_dp->pcon_dsc_dpcd); +} + +static int intel_dp_pcon_get_frl_mask(u8 frl_bw_mask) +{ + int bw_gbps[] = {9, 18, 24, 32, 40, 48}; + int i; + + for (i = ARRAY_SIZE(bw_gbps) - 1; i >= 0; i--) { + if (frl_bw_mask & (1 << i)) + return bw_gbps[i]; + } + return 0; +} + +static int intel_dp_pcon_set_frl_mask(int max_frl) +{ + switch (max_frl) { + case 48: + return DP_PCON_FRL_BW_MASK_48GBPS; + case 40: + return DP_PCON_FRL_BW_MASK_40GBPS; + case 32: + return DP_PCON_FRL_BW_MASK_32GBPS; + case 24: + return DP_PCON_FRL_BW_MASK_24GBPS; + case 18: + return DP_PCON_FRL_BW_MASK_18GBPS; + case 9: + return DP_PCON_FRL_BW_MASK_9GBPS; + } + + return 0; +} + +static int intel_dp_hdmi_sink_max_frl(struct intel_dp *intel_dp) +{ + struct intel_connector *intel_connector = intel_dp->attached_connector; + struct drm_connector *connector = &intel_connector->base; + int max_frl_rate; + int max_lanes, rate_per_lane; + int max_dsc_lanes, dsc_rate_per_lane; + + max_lanes = connector->display_info.hdmi.max_lanes; + rate_per_lane = connector->display_info.hdmi.max_frl_rate_per_lane; + max_frl_rate = max_lanes * rate_per_lane; + + if (connector->display_info.hdmi.dsc_cap.v_1p2) { + max_dsc_lanes = connector->display_info.hdmi.dsc_cap.max_lanes; + dsc_rate_per_lane = connector->display_info.hdmi.dsc_cap.max_frl_rate_per_lane; + if (max_dsc_lanes && dsc_rate_per_lane) + max_frl_rate = min(max_frl_rate, max_dsc_lanes * dsc_rate_per_lane); + } + + return max_frl_rate; +} + +static int intel_dp_pcon_start_frl_training(struct intel_dp *intel_dp) +{ +#define PCON_EXTENDED_TRAIN_MODE (1 > 0) +#define PCON_CONCURRENT_MODE (1 > 0) +#define PCON_SEQUENTIAL_MODE !PCON_CONCURRENT_MODE +#define PCON_NORMAL_TRAIN_MODE !PCON_EXTENDED_TRAIN_MODE +#define TIMEOUT_FRL_READY_MS 500 +#define TIMEOUT_HDMI_LINK_ACTIVE_MS 1000 + + struct drm_i915_private *i915 = dp_to_i915(intel_dp); + int max_frl_bw, max_pcon_frl_bw, max_edid_frl_bw, ret; + u8 max_frl_bw_mask = 0, frl_trained_mask; + bool is_active; + + ret = drm_dp_pcon_reset_frl_config(&intel_dp->aux); + if (ret < 0) + return ret; + + max_pcon_frl_bw = intel_dp->dfp.pcon_max_frl_bw; + drm_dbg(&i915->drm, "PCON max rate = %d Gbps\n", max_pcon_frl_bw); + + max_edid_frl_bw = intel_dp_hdmi_sink_max_frl(intel_dp); + drm_dbg(&i915->drm, "Sink max rate from EDID = %d Gbps\n", max_edid_frl_bw); + + max_frl_bw = min(max_edid_frl_bw, max_pcon_frl_bw); + + if (max_frl_bw <= 0) + return -EINVAL; + + ret = drm_dp_pcon_frl_prepare(&intel_dp->aux, false); + if (ret < 0) + return ret; + /* Wait for PCON to be FRL Ready */ + wait_for(is_active = drm_dp_pcon_is_frl_ready(&intel_dp->aux) == true, TIMEOUT_FRL_READY_MS); + + if (!is_active) + return -ETIMEDOUT; + + max_frl_bw_mask = intel_dp_pcon_set_frl_mask(max_frl_bw); + ret = drm_dp_pcon_frl_configure_1(&intel_dp->aux, max_frl_bw, PCON_SEQUENTIAL_MODE); + if (ret < 0) + return ret; + ret = drm_dp_pcon_frl_configure_2(&intel_dp->aux, max_frl_bw_mask, PCON_NORMAL_TRAIN_MODE); + if (ret < 0) + return ret; + ret = drm_dp_pcon_frl_enable(&intel_dp->aux); + if (ret < 0) + return ret; + /* + * Wait for FRL to be completed + * Check if the HDMI Link is up and active. + */ + wait_for(is_active = drm_dp_pcon_hdmi_link_active(&intel_dp->aux) == true, TIMEOUT_HDMI_LINK_ACTIVE_MS); + + if (!is_active) + return -ETIMEDOUT; + + /* Verify HDMI Link configuration shows FRL Mode */ + if (drm_dp_pcon_hdmi_link_mode(&intel_dp->aux, &frl_trained_mask) != + DP_PCON_HDMI_MODE_FRL) { + drm_dbg(&i915->drm, "HDMI couldn't be trained in FRL Mode\n"); + return -EINVAL; + } + drm_dbg(&i915->drm, "MAX_FRL_MASK = %u, FRL_TRAINED_MASK = %u\n", max_frl_bw_mask, frl_trained_mask); + + intel_dp->frl.trained_rate_gbps = intel_dp_pcon_get_frl_mask(frl_trained_mask); + intel_dp->frl.is_trained = true; + drm_dbg(&i915->drm, "FRL trained with : %d Gbps\n", intel_dp->frl.trained_rate_gbps); + + return 0; +} + +static bool intel_dp_is_hdmi_2_1_sink(struct intel_dp *intel_dp) +{ + if (drm_dp_is_branch(intel_dp->dpcd) && + intel_dp->has_hdmi_sink && + intel_dp_hdmi_sink_max_frl(intel_dp) > 0) + return true; + + return false; +} + +void intel_dp_check_frl_training(struct intel_dp *intel_dp) +{ + struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + + /* Always go for FRL training if supported */ + if (!intel_dp_is_hdmi_2_1_sink(intel_dp) || + intel_dp->frl.is_trained) + return; + + if (intel_dp_pcon_start_frl_training(intel_dp) < 0) { + int ret, mode; + + drm_dbg(&dev_priv->drm, "Couldnt set FRL mode, continuing with TMDS mode\n"); + ret = drm_dp_pcon_reset_frl_config(&intel_dp->aux); + mode = drm_dp_pcon_hdmi_link_mode(&intel_dp->aux, NULL); + + if (ret < 0 || mode != DP_PCON_HDMI_MODE_TMDS) + drm_dbg(&dev_priv->drm, "Issue with PCON, cannot set TMDS mode\n"); + } else { + drm_dbg(&dev_priv->drm, "FRL training Completed\n"); + } +} + +static int +intel_dp_pcon_dsc_enc_slice_height(const struct intel_crtc_state *crtc_state) +{ + int vactive = crtc_state->hw.adjusted_mode.vdisplay; + + return intel_hdmi_dsc_get_slice_height(vactive); +} + +static int +intel_dp_pcon_dsc_enc_slices(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state) +{ + struct intel_connector *intel_connector = intel_dp->attached_connector; + struct drm_connector *connector = &intel_connector->base; + int hdmi_throughput = connector->display_info.hdmi.dsc_cap.clk_per_slice; + int hdmi_max_slices = connector->display_info.hdmi.dsc_cap.max_slices; + int pcon_max_slices = drm_dp_pcon_dsc_max_slices(intel_dp->pcon_dsc_dpcd); + int pcon_max_slice_width = drm_dp_pcon_dsc_max_slice_width(intel_dp->pcon_dsc_dpcd); + + return intel_hdmi_dsc_get_num_slices(crtc_state, pcon_max_slices, + pcon_max_slice_width, + hdmi_max_slices, hdmi_throughput); +} + +static int +intel_dp_pcon_dsc_enc_bpp(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state, + int num_slices, int slice_width) +{ + struct intel_connector *intel_connector = intel_dp->attached_connector; + struct drm_connector *connector = &intel_connector->base; + int output_format = crtc_state->output_format; + bool hdmi_all_bpp = connector->display_info.hdmi.dsc_cap.all_bpp; + int pcon_fractional_bpp = drm_dp_pcon_dsc_bpp_incr(intel_dp->pcon_dsc_dpcd); + int hdmi_max_chunk_bytes = + connector->display_info.hdmi.dsc_cap.total_chunk_kbytes * 1024; + + return intel_hdmi_dsc_get_bpp(pcon_fractional_bpp, slice_width, + num_slices, output_format, hdmi_all_bpp, + hdmi_max_chunk_bytes); +} + +void +intel_dp_pcon_dsc_configure(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state) +{ + u8 pps_param[6]; + int slice_height; + int slice_width; + int num_slices; + int bits_per_pixel; + int ret; + struct intel_connector *intel_connector = intel_dp->attached_connector; + struct drm_i915_private *i915 = dp_to_i915(intel_dp); + struct drm_connector *connector; + bool hdmi_is_dsc_1_2; + + if (!intel_dp_is_hdmi_2_1_sink(intel_dp)) + return; + + if (!intel_connector) + return; + connector = &intel_connector->base; + hdmi_is_dsc_1_2 = connector->display_info.hdmi.dsc_cap.v_1p2; + + if (!drm_dp_pcon_enc_is_dsc_1_2(intel_dp->pcon_dsc_dpcd) || + !hdmi_is_dsc_1_2) + return; + + slice_height = intel_dp_pcon_dsc_enc_slice_height(crtc_state); + if (!slice_height) + return; + + num_slices = intel_dp_pcon_dsc_enc_slices(intel_dp, crtc_state); + if (!num_slices) + return; + + slice_width = DIV_ROUND_UP(crtc_state->hw.adjusted_mode.hdisplay, + num_slices); + + bits_per_pixel = intel_dp_pcon_dsc_enc_bpp(intel_dp, crtc_state, + num_slices, slice_width); + if (!bits_per_pixel) + return; + + pps_param[0] = slice_height & 0xFF; + pps_param[1] = slice_height >> 8; + pps_param[2] = slice_width & 0xFF; + pps_param[3] = slice_width >> 8; + pps_param[4] = bits_per_pixel & 0xFF; + pps_param[5] = (bits_per_pixel >> 8) & 0x3; + + ret = drm_dp_pcon_pps_override_param(&intel_dp->aux, pps_param); + if (ret < 0) + drm_dbg_kms(&i915->drm, "Failed to set pcon DSC\n"); +} + static void g4x_set_link_train(struct intel_dp *intel_dp, const struct intel_crtc_state *crtc_state, @@ -4010,7 +2813,8 @@ static void intel_dp_enable_port(struct intel_dp *intel_dp, intel_de_posting_read(dev_priv, intel_dp->output_reg); } -void intel_dp_configure_protocol_converter(struct intel_dp *intel_dp) +void intel_dp_configure_protocol_converter(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state) { struct drm_i915_private *i915 = dp_to_i915(intel_dp); u8 tmp; @@ -4029,8 +2833,8 @@ void intel_dp_configure_protocol_converter(struct intel_dp *intel_dp) drm_dbg_kms(&i915->drm, "Failed to set protocol converter HDMI mode to %s\n", enableddisabled(intel_dp->has_hdmi_sink)); - tmp = intel_dp->dfp.ycbcr_444_to_420 ? - DP_CONVERSION_TO_YCBCR420_ENABLE : 0; + tmp = crtc_state->output_format == INTEL_OUTPUT_FORMAT_YCBCR444 && + intel_dp->dfp.ycbcr_444_to_420 ? DP_CONVERSION_TO_YCBCR420_ENABLE : 0; if (drm_dp_dpcd_writeb(&intel_dp->aux, DP_PROTOCOL_CONVERTER_CONTROL_1, tmp) != 1) @@ -4039,12 +2843,42 @@ void intel_dp_configure_protocol_converter(struct intel_dp *intel_dp) enableddisabled(intel_dp->dfp.ycbcr_444_to_420)); tmp = 0; + if (intel_dp->dfp.rgb_to_ycbcr) { + bool bt2020, bt709; - if (drm_dp_dpcd_writeb(&intel_dp->aux, - DP_PROTOCOL_CONVERTER_CONTROL_2, tmp) <= 0) + /* + * FIXME: Currently if userspace selects BT2020 or BT709, but PCON supports only + * RGB->YCbCr for BT601 colorspace, we go ahead with BT601, as default. + * + */ + tmp = DP_CONVERSION_BT601_RGB_YCBCR_ENABLE; + + bt2020 = drm_dp_downstream_rgb_to_ycbcr_conversion(intel_dp->dpcd, + intel_dp->downstream_ports, + DP_DS_HDMI_BT2020_RGB_YCBCR_CONV); + bt709 = drm_dp_downstream_rgb_to_ycbcr_conversion(intel_dp->dpcd, + intel_dp->downstream_ports, + DP_DS_HDMI_BT709_RGB_YCBCR_CONV); + switch (crtc_state->infoframes.vsc.colorimetry) { + case DP_COLORIMETRY_BT2020_RGB: + case DP_COLORIMETRY_BT2020_YCC: + if (bt2020) + tmp = DP_CONVERSION_BT2020_RGB_YCBCR_ENABLE; + break; + case DP_COLORIMETRY_BT709_YCC: + case DP_COLORIMETRY_XVYCC_709: + if (bt709) + tmp = DP_CONVERSION_BT709_RGB_YCBCR_ENABLE; + break; + default: + break; + } + } + + if (drm_dp_pcon_convert_rgb_to_ycbcr(&intel_dp->aux, tmp) < 0) drm_dbg_kms(&i915->drm, - "Failed to set protocol converter YCbCr 4:2:2 conversion mode to %s\n", - enableddisabled(false)); + "Failed to set protocol converter RGB->YCbCr conversion mode to %s\n", + enableddisabled(tmp ? true : false)); } static void intel_enable_dp(struct intel_atomic_state *state, @@ -4062,15 +2896,15 @@ static void intel_enable_dp(struct intel_atomic_state *state, if (drm_WARN_ON(&dev_priv->drm, dp_reg & DP_PORT_EN)) return; - with_pps_lock(intel_dp, wakeref) { + with_intel_pps_lock(intel_dp, wakeref) { if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) - vlv_init_panel_power_sequencer(encoder, pipe_config); + vlv_pps_init(encoder, pipe_config); intel_dp_enable_port(intel_dp, pipe_config); - edp_panel_vdd_on(intel_dp); - edp_panel_on(intel_dp); - edp_panel_vdd_off(intel_dp, true); + intel_pps_vdd_on_unlocked(intel_dp); + intel_pps_on_unlocked(intel_dp); + intel_pps_vdd_off_unlocked(intel_dp, true); } if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) { @@ -4084,7 +2918,9 @@ static void intel_enable_dp(struct intel_atomic_state *state, } intel_dp_set_power(intel_dp, DP_SET_POWER_D0); - intel_dp_configure_protocol_converter(intel_dp); + intel_dp_configure_protocol_converter(intel_dp, pipe_config); + intel_dp_check_frl_training(intel_dp); + intel_dp_pcon_dsc_configure(intel_dp, pipe_config); intel_dp_start_link_train(intel_dp, pipe_config); intel_dp_stop_link_train(intel_dp, pipe_config); @@ -4127,112 +2963,6 @@ static void g4x_pre_enable_dp(struct intel_atomic_state *state, ilk_edp_pll_on(intel_dp, pipe_config); } -static void vlv_detach_power_sequencer(struct intel_dp *intel_dp) -{ - 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); - enum pipe pipe = intel_dp->pps_pipe; - i915_reg_t pp_on_reg = PP_ON_DELAYS(pipe); - - drm_WARN_ON(&dev_priv->drm, intel_dp->active_pipe != INVALID_PIPE); - - if (drm_WARN_ON(&dev_priv->drm, pipe != PIPE_A && pipe != PIPE_B)) - return; - - edp_panel_vdd_off_sync(intel_dp); - - /* - * VLV seems to get confused when multiple power sequencers - * have the same port selected (even if only one has power/vdd - * enabled). The failure manifests as vlv_wait_port_ready() failing - * CHV on the other hand doesn't seem to mind having the same port - * selected in multiple power sequencers, but let's clear the - * port select always when logically disconnecting a power sequencer - * from a port. - */ - drm_dbg_kms(&dev_priv->drm, - "detaching pipe %c power sequencer from [ENCODER:%d:%s]\n", - pipe_name(pipe), dig_port->base.base.base.id, - dig_port->base.base.name); - intel_de_write(dev_priv, pp_on_reg, 0); - intel_de_posting_read(dev_priv, pp_on_reg); - - intel_dp->pps_pipe = INVALID_PIPE; -} - -static void vlv_steal_power_sequencer(struct drm_i915_private *dev_priv, - enum pipe pipe) -{ - struct intel_encoder *encoder; - - lockdep_assert_held(&dev_priv->pps_mutex); - - for_each_intel_dp(&dev_priv->drm, encoder) { - struct intel_dp *intel_dp = enc_to_intel_dp(encoder); - - drm_WARN(&dev_priv->drm, intel_dp->active_pipe == pipe, - "stealing pipe %c power sequencer from active [ENCODER:%d:%s]\n", - pipe_name(pipe), encoder->base.base.id, - encoder->base.name); - - if (intel_dp->pps_pipe != pipe) - continue; - - drm_dbg_kms(&dev_priv->drm, - "stealing pipe %c power sequencer from [ENCODER:%d:%s]\n", - pipe_name(pipe), encoder->base.base.id, - encoder->base.name); - - /* make sure vdd is off before we steal it */ - vlv_detach_power_sequencer(intel_dp); - } -} - -static void vlv_init_panel_power_sequencer(struct intel_encoder *encoder, - const struct intel_crtc_state *crtc_state) -{ - 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 = to_intel_crtc(crtc_state->uapi.crtc); - - lockdep_assert_held(&dev_priv->pps_mutex); - - drm_WARN_ON(&dev_priv->drm, intel_dp->active_pipe != INVALID_PIPE); - - if (intel_dp->pps_pipe != INVALID_PIPE && - intel_dp->pps_pipe != crtc->pipe) { - /* - * If another power sequencer was being used on this - * port previously make sure to turn off vdd there while - * we still have control of it. - */ - vlv_detach_power_sequencer(intel_dp); - } - - /* - * We may be stealing the power - * sequencer from another port. - */ - vlv_steal_power_sequencer(dev_priv, crtc->pipe); - - intel_dp->active_pipe = crtc->pipe; - - if (!intel_dp_is_edp(intel_dp)) - return; - - /* now it's all ours */ - intel_dp->pps_pipe = crtc->pipe; - - drm_dbg_kms(&dev_priv->drm, - "initializing pipe %c power sequencer for [ENCODER:%d:%s]\n", - pipe_name(intel_dp->pps_pipe), encoder->base.base.id, - encoder->base.name); - - /* init power sequencer on this pipe and port */ - intel_dp_init_panel_power_sequencer(intel_dp); - intel_dp_init_panel_power_sequencer_registers(intel_dp, true); -} - static void vlv_pre_enable_dp(struct intel_atomic_state *state, struct intel_encoder *encoder, const struct intel_crtc_state *pipe_config, @@ -4632,22 +3362,19 @@ 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, - const struct intel_crtc_state *crtc_state) +static char dp_training_pattern_name(u8 train_pat) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - u8 train_set = intel_dp->train_set[0]; - - drm_dbg_kms(&dev_priv->drm, "Using vswing level %d%s\n", - train_set & DP_TRAIN_VOLTAGE_SWING_MASK, - train_set & DP_TRAIN_MAX_SWING_REACHED ? " (max)" : ""); - drm_dbg_kms(&dev_priv->drm, "Using pre-emphasis level %d%s\n", - (train_set & DP_TRAIN_PRE_EMPHASIS_MASK) >> - DP_TRAIN_PRE_EMPHASIS_SHIFT, - train_set & DP_TRAIN_MAX_PRE_EMPHASIS_REACHED ? - " (max)" : ""); - - intel_dp->set_signal_levels(intel_dp, crtc_state); + switch (train_pat) { + case DP_TRAINING_PATTERN_1: + case DP_TRAINING_PATTERN_2: + case DP_TRAINING_PATTERN_3: + return '0' + train_pat; + case DP_TRAINING_PATTERN_4: + return '4'; + default: + MISSING_CASE(train_pat); + return '?'; + } } void @@ -4655,13 +3382,15 @@ 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); + struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base; + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + u8 train_pat = intel_dp_training_pattern_symbol(dp_train_pat); - if ((intel_dp_training_pattern_symbol(dp_train_pat)) != - DP_TRAINING_PATTERN_DISABLE) + if (train_pat != DP_TRAINING_PATTERN_DISABLE) drm_dbg_kms(&dev_priv->drm, - "Using DP training pattern TPS%d\n", - intel_dp_training_pattern_symbol(dp_train_pat)); + "[ENCODER:%d:%s] Using DP training pattern TPS%c\n", + encoder->base.base.id, encoder->base.name, + dp_training_pattern_name(train_pat)); intel_dp->set_link_train(intel_dp, crtc_state, dp_train_pat); } @@ -4727,15 +3456,15 @@ intel_dp_link_down(struct intel_encoder *encoder, intel_set_pch_fifo_underrun_reporting(dev_priv, PIPE_A, true); } - msleep(intel_dp->panel_power_down_delay); + msleep(intel_dp->pps.panel_power_down_delay); intel_dp->DP = DP; if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) { intel_wakeref_t wakeref; - with_pps_lock(intel_dp, wakeref) - intel_dp->active_pipe = INVALID_PIPE; + with_intel_pps_lock(intel_dp, wakeref) + intel_dp->pps.active_pipe = INVALID_PIPE; } } @@ -4865,6 +3594,12 @@ intel_edp_init_dpcd(struct intel_dp *intel_dp) if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv)) intel_dp_get_dsc_sink_cap(intel_dp); + /* + * If needed, program our source OUI so we can make various Intel-specific AUX services + * available (such as HDR backlight controls) + */ + intel_edp_init_source_oui(intel_dp, true); + return true; } @@ -5698,7 +4433,7 @@ static void intel_dp_process_phy_request(struct intel_dp *intel_dp, intel_dp_autotest_phy_ddi_disable(intel_dp, crtc_state); - intel_dp_set_signal_levels(intel_dp, crtc_state); + intel_dp_set_signal_levels(intel_dp, crtc_state, DP_PHY_DPRX); intel_dp_phy_pattern_update(intel_dp, crtc_state); @@ -5771,6 +4506,17 @@ update_status: "Could not write test response to sink\n"); } +static void +intel_dp_mst_hpd_irq(struct intel_dp *intel_dp, u8 *esi, bool *handled) +{ + drm_dp_mst_hpd_irq(&intel_dp->mst_mgr, esi, handled); + + if (esi[1] & DP_CP_IRQ) { + intel_hdcp_handle_cp_irq(intel_dp->attached_connector); + *handled = true; + } +} + /** * intel_dp_check_mst_status - service any pending MST interrupts, check link status * @intel_dp: Intel DP struct @@ -5815,7 +4561,8 @@ intel_dp_check_mst_status(struct intel_dp *intel_dp) drm_dbg_kms(&i915->drm, "got esi %3ph\n", esi); - drm_dp_mst_hpd_irq(&intel_dp->mst_mgr, esi, &handled); + intel_dp_mst_hpd_irq(intel_dp, esi, &handled); + if (!handled) break; @@ -5833,6 +4580,28 @@ intel_dp_check_mst_status(struct intel_dp *intel_dp) return link_ok; } +static void +intel_dp_handle_hdmi_link_status_change(struct intel_dp *intel_dp) +{ + bool is_active; + u8 buf = 0; + + is_active = drm_dp_pcon_hdmi_link_active(&intel_dp->aux); + if (intel_dp->frl.is_trained && !is_active) { + if (drm_dp_dpcd_readb(&intel_dp->aux, DP_PCON_HDMI_LINK_CONFIG_1, &buf) < 0) + return; + + buf &= ~DP_PCON_ENABLE_HDMI_LINK; + if (drm_dp_dpcd_writeb(&intel_dp->aux, DP_PCON_HDMI_LINK_CONFIG_1, buf) < 0) + return; + + drm_dp_pcon_hdmi_frl_link_error_count(&intel_dp->aux, &intel_dp->attached_connector->base); + + /* Restart FRL training or fall back to TMDS mode */ + intel_dp_check_frl_training(intel_dp); + } +} + static bool intel_dp_needs_link_retrain(struct intel_dp *intel_dp) { @@ -6006,6 +4775,8 @@ int intel_dp_retrain_link(struct intel_encoder *encoder, !intel_dp_mst_is_master_trans(crtc_state)) continue; + intel_dp_check_frl_training(intel_dp); + intel_dp_pcon_dsc_configure(intel_dp, crtc_state); intel_dp_start_link_train(intel_dp, crtc_state); intel_dp_stop_link_train(intel_dp, crtc_state); break; @@ -6115,7 +4886,7 @@ static int intel_dp_do_phy_test(struct intel_encoder *encoder, return 0; } -static void intel_dp_phy_test(struct intel_encoder *encoder) +void intel_dp_phy_test(struct intel_encoder *encoder) { struct drm_modeset_acquire_ctx ctx; int ret; @@ -6197,7 +4968,7 @@ intel_dp_hotplug(struct intel_encoder *encoder, return state; } -static void intel_dp_check_service_irq(struct intel_dp *intel_dp) +static void intel_dp_check_device_service_irq(struct intel_dp *intel_dp) { struct drm_i915_private *i915 = dp_to_i915(intel_dp); u8 val; @@ -6221,6 +4992,30 @@ static void intel_dp_check_service_irq(struct intel_dp *intel_dp) drm_dbg_kms(&i915->drm, "Sink specific irq unhandled\n"); } +static void intel_dp_check_link_service_irq(struct intel_dp *intel_dp) +{ + struct drm_i915_private *i915 = dp_to_i915(intel_dp); + u8 val; + + if (intel_dp->dpcd[DP_DPCD_REV] < 0x11) + return; + + if (drm_dp_dpcd_readb(&intel_dp->aux, + DP_LINK_SERVICE_IRQ_VECTOR_ESI0, &val) != 1 || !val) { + drm_dbg_kms(&i915->drm, "Error in reading link service irq vector\n"); + return; + } + + if (drm_dp_dpcd_writeb(&intel_dp->aux, + DP_LINK_SERVICE_IRQ_VECTOR_ESI0, val) != 1) { + drm_dbg_kms(&i915->drm, "Error in writing link service irq vector\n"); + return; + } + + if (val & HDMI_LINK_STATUS_CHANGED) + intel_dp_handle_hdmi_link_status_change(intel_dp); +} + /* * According to DP spec * 5.1.2: @@ -6260,7 +5055,8 @@ intel_dp_short_pulse(struct intel_dp *intel_dp) return false; } - intel_dp_check_service_irq(intel_dp); + intel_dp_check_device_service_irq(intel_dp); + intel_dp_check_link_service_irq(intel_dp); /* Handle CEC interrupts, if any */ drm_dp_cec_irq(&intel_dp->aux); @@ -6480,13 +5276,20 @@ intel_dp_update_dfp(struct intel_dp *intel_dp, intel_dp->downstream_ports, edid); + intel_dp->dfp.pcon_max_frl_bw = + drm_dp_get_pcon_max_frl_bw(intel_dp->dpcd, + intel_dp->downstream_ports); + drm_dbg_kms(&i915->drm, - "[CONNECTOR:%d:%s] DFP max bpc %d, max dotclock %d, TMDS clock %d-%d\n", + "[CONNECTOR:%d:%s] DFP max bpc %d, max dotclock %d, TMDS clock %d-%d, PCON Max FRL BW %dGbps\n", connector->base.base.id, connector->base.name, intel_dp->dfp.max_bpc, intel_dp->dfp.max_dotclock, intel_dp->dfp.min_tmds_clock, - intel_dp->dfp.max_tmds_clock); + intel_dp->dfp.max_tmds_clock, + intel_dp->dfp.pcon_max_frl_bw); + + intel_dp_get_pcon_dsc_cap(intel_dp); } static void @@ -6494,7 +5297,7 @@ intel_dp_update_420(struct intel_dp *intel_dp) { struct drm_i915_private *i915 = dp_to_i915(intel_dp); struct intel_connector *connector = intel_dp->attached_connector; - bool is_branch, ycbcr_420_passthrough, ycbcr_444_to_420; + bool is_branch, ycbcr_420_passthrough, ycbcr_444_to_420, rgb_to_ycbcr; /* No YCbCr output support on gmch platforms */ if (HAS_GMCH(i915)) @@ -6516,14 +5319,26 @@ intel_dp_update_420(struct intel_dp *intel_dp) dp_to_dig_port(intel_dp)->lspcon.active || drm_dp_downstream_444_to_420_conversion(intel_dp->dpcd, intel_dp->downstream_ports); + rgb_to_ycbcr = drm_dp_downstream_rgb_to_ycbcr_conversion(intel_dp->dpcd, + intel_dp->downstream_ports, + DP_DS_HDMI_BT601_RGB_YCBCR_CONV | + DP_DS_HDMI_BT709_RGB_YCBCR_CONV | + DP_DS_HDMI_BT2020_RGB_YCBCR_CONV); if (INTEL_GEN(i915) >= 11) { + /* Let PCON convert from RGB->YCbCr if possible */ + if (is_branch && rgb_to_ycbcr && ycbcr_444_to_420) { + intel_dp->dfp.rgb_to_ycbcr = true; + intel_dp->dfp.ycbcr_444_to_420 = true; + connector->base.ycbcr_420_allowed = true; + } else { /* Prefer 4:2:0 passthrough over 4:4:4->4:2:0 conversion */ - intel_dp->dfp.ycbcr_444_to_420 = - ycbcr_444_to_420 && !ycbcr_420_passthrough; + intel_dp->dfp.ycbcr_444_to_420 = + ycbcr_444_to_420 && !ycbcr_420_passthrough; - connector->base.ycbcr_420_allowed = - !is_branch || ycbcr_444_to_420 || ycbcr_420_passthrough; + connector->base.ycbcr_420_allowed = + !is_branch || ycbcr_444_to_420 || ycbcr_420_passthrough; + } } else { /* 4:4:4->4:2:0 conversion is the only way */ intel_dp->dfp.ycbcr_444_to_420 = ycbcr_444_to_420; @@ -6532,8 +5347,9 @@ intel_dp_update_420(struct intel_dp *intel_dp) } drm_dbg_kms(&i915->drm, - "[CONNECTOR:%d:%s] YCbCr 4:2:0 allowed? %s, YCbCr 4:4:4->4:2:0 conversion? %s\n", + "[CONNECTOR:%d:%s] RGB->YcbCr conversion? %s, YCbCr 4:2:0 allowed? %s, YCbCr 4:4:4->4:2:0 conversion? %s\n", connector->base.base.id, connector->base.name, + yesno(intel_dp->dfp.rgb_to_ycbcr), yesno(connector->base.ycbcr_420_allowed), yesno(intel_dp->dfp.ycbcr_444_to_420)); } @@ -6557,7 +5373,6 @@ intel_dp_set_edid(struct intel_dp *intel_dp) } drm_dp_cec_set_edid(&intel_dp->aux, edid); - intel_dp->edid_quirks = drm_dp_get_edid_quirks(edid); } static void @@ -6571,13 +5386,14 @@ intel_dp_unset_edid(struct intel_dp *intel_dp) intel_dp->has_hdmi_sink = false; intel_dp->has_audio = false; - intel_dp->edid_quirks = 0; intel_dp->dfp.max_bpc = 0; intel_dp->dfp.max_dotclock = 0; intel_dp->dfp.min_tmds_clock = 0; intel_dp->dfp.max_tmds_clock = 0; + intel_dp->dfp.pcon_max_frl_bw = 0; + intel_dp->dfp.ycbcr_444_to_420 = false; connector->base.ycbcr_420_allowed = false; } @@ -6683,7 +5499,7 @@ intel_dp_detect(struct drm_connector *connector, to_intel_connector(connector)->detect_edid) status = connector_status_connected; - intel_dp_check_service_irq(intel_dp); + intel_dp_check_device_service_irq(intel_dp); out: if (status != connector_status_connected && !intel_dp->is_mst) @@ -6736,6 +5552,10 @@ static int intel_dp_get_modes(struct drm_connector *connector) edid = intel_connector->detect_edid; if (edid) { int ret = intel_connector_update_modes(connector, edid); + + if (intel_vrr_is_capable(connector)) + drm_connector_set_vrr_capable_property(connector, + true); if (ret) return ret; } @@ -6774,6 +5594,8 @@ intel_dp_connector_register(struct drm_connector *connector) { struct drm_i915_private *i915 = to_i915(connector->dev); struct intel_dp *intel_dp = intel_attached_dp(to_intel_connector(connector)); + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); + struct intel_lspcon *lspcon = &dig_port->lspcon; int ret; ret = intel_connector_register(connector); @@ -6787,6 +5609,22 @@ intel_dp_connector_register(struct drm_connector *connector) ret = drm_dp_aux_register(&intel_dp->aux); if (!ret) drm_dp_cec_register_connector(&intel_dp->aux, connector); + + if (!intel_bios_is_lspcon_present(i915, dig_port->base.port)) + return ret; + + /* + * ToDo: Clean this up to handle lspcon init and resume more + * efficiently and streamlined. + */ + if (lspcon_init(dig_port)) { + lspcon_detect_hdr_capability(lspcon); + if (lspcon->hdr_supported) + drm_object_attach_property(&connector->base, + connector->dev->mode_config.hdr_output_metadata_property, + 0); + } + return ret; } @@ -6806,17 +5644,8 @@ void intel_dp_encoder_flush_work(struct drm_encoder *encoder) struct intel_dp *intel_dp = &dig_port->dp; intel_dp_mst_encoder_cleanup(dig_port); - if (intel_dp_is_edp(intel_dp)) { - intel_wakeref_t wakeref; - cancel_delayed_work_sync(&intel_dp->panel_vdd_work); - /* - * vdd might still be enabled do to the delayed vdd off. - * Make sure vdd is actually turned off here. - */ - with_pps_lock(intel_dp, wakeref) - edp_panel_vdd_off_sync(intel_dp); - } + intel_pps_vdd_off_sync(intel_dp); intel_dp_aux_fini(intel_dp); } @@ -6832,53 +5661,15 @@ static void intel_dp_encoder_destroy(struct drm_encoder *encoder) void intel_dp_encoder_suspend(struct intel_encoder *intel_encoder) { struct intel_dp *intel_dp = enc_to_intel_dp(intel_encoder); - intel_wakeref_t wakeref; - if (!intel_dp_is_edp(intel_dp)) - return; - - /* - * vdd might still be enabled do to the delayed vdd off. - * Make sure vdd is actually turned off here. - */ - cancel_delayed_work_sync(&intel_dp->panel_vdd_work); - with_pps_lock(intel_dp, wakeref) - edp_panel_vdd_off_sync(intel_dp); + intel_pps_vdd_off_sync(intel_dp); } void intel_dp_encoder_shutdown(struct intel_encoder *intel_encoder) { struct intel_dp *intel_dp = enc_to_intel_dp(intel_encoder); - intel_wakeref_t wakeref; - if (!intel_dp_is_edp(intel_dp)) - return; - - with_pps_lock(intel_dp, wakeref) - wait_panel_power_cycle(intel_dp); -} - -static void intel_edp_panel_vdd_sanitize(struct intel_dp *intel_dp) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); - - lockdep_assert_held(&dev_priv->pps_mutex); - - if (!edp_have_panel_vdd(intel_dp)) - return; - - /* - * The VDD bit needs a power domain reference, so if the bit is - * already enabled when we boot or resume, grab this reference and - * schedule a vdd off, so we don't hold on to the reference - * indefinitely. - */ - drm_dbg_kms(&dev_priv->drm, - "VDD left on by BIOS, adjusting state tracking\n"); - intel_display_power_get(dev_priv, intel_aux_power_domain(dig_port)); - - edp_panel_vdd_schedule_off(intel_dp); + intel_pps_wait_power_cycle(intel_dp); } static enum pipe vlv_active_pipe(struct intel_dp *intel_dp) @@ -6898,30 +5689,20 @@ void intel_dp_encoder_reset(struct drm_encoder *encoder) { struct drm_i915_private *dev_priv = to_i915(encoder->dev); struct intel_dp *intel_dp = enc_to_intel_dp(to_intel_encoder(encoder)); - intel_wakeref_t wakeref; if (!HAS_DDI(dev_priv)) intel_dp->DP = intel_de_read(dev_priv, intel_dp->output_reg); intel_dp->reset_link_params = true; - if (!IS_VALLEYVIEW(dev_priv) && !IS_CHERRYVIEW(dev_priv) && - !intel_dp_is_edp(intel_dp)) - return; - - with_pps_lock(intel_dp, wakeref) { - if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) - intel_dp->active_pipe = vlv_active_pipe(intel_dp); + if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) { + intel_wakeref_t wakeref; - if (intel_dp_is_edp(intel_dp)) { - /* - * Reinit the power sequencer, in case BIOS did - * something nasty with it. - */ - intel_dp_pps_init(intel_dp); - intel_edp_panel_vdd_sanitize(intel_dp); - } + with_intel_pps_lock(intel_dp, wakeref) + intel_dp->pps.active_pipe = vlv_active_pipe(intel_dp); } + + intel_pps_encoder_reset(intel_dp); } static int intel_modeset_tile_group(struct intel_atomic_state *state, @@ -7086,19 +5867,6 @@ static const struct drm_encoder_funcs intel_dp_enc_funcs = { .destroy = intel_dp_encoder_destroy, }; -static bool intel_edp_have_power(struct intel_dp *intel_dp) -{ - intel_wakeref_t wakeref; - bool have_power = false; - - with_pps_lock(intel_dp, wakeref) { - have_power = edp_have_panel_power(intel_dp) && - edp_have_panel_vdd(intel_dp); - } - - return have_power; -} - enum irqreturn intel_dp_hpd_pulse(struct intel_digital_port *dig_port, bool long_hpd) { @@ -7106,7 +5874,7 @@ intel_dp_hpd_pulse(struct intel_digital_port *dig_port, bool long_hpd) struct intel_dp *intel_dp = &dig_port->dp; if (dig_port->base.type == INTEL_OUTPUT_EDP && - (long_hpd || !intel_edp_have_power(intel_dp))) { + (long_hpd || !intel_pps_have_power(intel_dp))) { /* * vdd off can generate a long/short pulse on eDP which * would require vdd on to handle it, and thus we @@ -7175,7 +5943,13 @@ intel_dp_add_properties(struct intel_dp *intel_dp, struct drm_connector *connect else if (INTEL_GEN(dev_priv) >= 5) drm_connector_attach_max_bpc_property(connector, 6, 12); - intel_attach_colorspace_property(connector); + /* Register HDMI colorspace for case of lspcon */ + if (intel_bios_is_lspcon_present(dev_priv, port)) { + drm_connector_attach_content_type_property(connector); + intel_attach_hdmi_colorspace_property(connector); + } else { + intel_attach_dp_colorspace_property(connector); + } if (IS_GEMINILAKE(dev_priv) || INTEL_GEN(dev_priv) >= 11) drm_object_attach_property(&connector->base, @@ -7194,277 +5968,9 @@ intel_dp_add_properties(struct intel_dp *intel_dp, struct drm_connector *connect connector->state->scaling_mode = DRM_MODE_SCALE_ASPECT; } -} - -static void intel_dp_init_panel_power_timestamps(struct intel_dp *intel_dp) -{ - intel_dp->panel_power_off_time = ktime_get_boottime(); - intel_dp->last_power_on = jiffies; - intel_dp->last_backlight_off = jiffies; -} - -static void -intel_pps_readout_hw_state(struct intel_dp *intel_dp, struct edp_power_seq *seq) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - u32 pp_on, pp_off, pp_ctl; - struct pps_registers regs; - - intel_pps_get_registers(intel_dp, ®s); - - pp_ctl = ilk_get_pp_control(intel_dp); - - /* Ensure PPS is unlocked */ - if (!HAS_DDI(dev_priv)) - intel_de_write(dev_priv, regs.pp_ctrl, pp_ctl); - - pp_on = intel_de_read(dev_priv, regs.pp_on); - pp_off = intel_de_read(dev_priv, regs.pp_off); - - /* Pull timing values out of registers */ - seq->t1_t3 = REG_FIELD_GET(PANEL_POWER_UP_DELAY_MASK, pp_on); - seq->t8 = REG_FIELD_GET(PANEL_LIGHT_ON_DELAY_MASK, pp_on); - seq->t9 = REG_FIELD_GET(PANEL_LIGHT_OFF_DELAY_MASK, pp_off); - seq->t10 = REG_FIELD_GET(PANEL_POWER_DOWN_DELAY_MASK, pp_off); - - if (i915_mmio_reg_valid(regs.pp_div)) { - u32 pp_div; - - pp_div = intel_de_read(dev_priv, regs.pp_div); - - seq->t11_t12 = REG_FIELD_GET(PANEL_POWER_CYCLE_DELAY_MASK, pp_div) * 1000; - } else { - seq->t11_t12 = REG_FIELD_GET(BXT_POWER_CYCLE_DELAY_MASK, pp_ctl) * 1000; - } -} - -static void -intel_pps_dump_state(const char *state_name, const struct edp_power_seq *seq) -{ - DRM_DEBUG_KMS("%s t1_t3 %d t8 %d t9 %d t10 %d t11_t12 %d\n", - state_name, - seq->t1_t3, seq->t8, seq->t9, seq->t10, seq->t11_t12); -} -static void -intel_pps_verify_state(struct intel_dp *intel_dp) -{ - struct edp_power_seq hw; - struct edp_power_seq *sw = &intel_dp->pps_delays; - - intel_pps_readout_hw_state(intel_dp, &hw); - - if (hw.t1_t3 != sw->t1_t3 || hw.t8 != sw->t8 || hw.t9 != sw->t9 || - hw.t10 != sw->t10 || hw.t11_t12 != sw->t11_t12) { - DRM_ERROR("PPS state mismatch\n"); - intel_pps_dump_state("sw", sw); - intel_pps_dump_state("hw", &hw); - } -} - -static void -intel_dp_init_panel_power_sequencer(struct intel_dp *intel_dp) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - struct edp_power_seq cur, vbt, spec, - *final = &intel_dp->pps_delays; - - lockdep_assert_held(&dev_priv->pps_mutex); - - /* already initialized? */ - if (final->t11_t12 != 0) - return; - - intel_pps_readout_hw_state(intel_dp, &cur); - - intel_pps_dump_state("cur", &cur); - - vbt = dev_priv->vbt.edp.pps; - /* On Toshiba Satellite P50-C-18C system the VBT T12 delay - * of 500ms appears to be too short. Ocassionally the panel - * just fails to power back on. Increasing the delay to 800ms - * seems sufficient to avoid this problem. - */ - if (dev_priv->quirks & QUIRK_INCREASE_T12_DELAY) { - vbt.t11_t12 = max_t(u16, vbt.t11_t12, 1300 * 10); - drm_dbg_kms(&dev_priv->drm, - "Increasing T12 panel delay as per the quirk to %d\n", - vbt.t11_t12); - } - /* T11_T12 delay is special and actually in units of 100ms, but zero - * based in the hw (so we need to add 100 ms). But the sw vbt - * table multiplies it with 1000 to make it in units of 100usec, - * too. */ - vbt.t11_t12 += 100 * 10; - - /* Upper limits from eDP 1.3 spec. Note that we use the clunky units of - * our hw here, which are all in 100usec. */ - spec.t1_t3 = 210 * 10; - spec.t8 = 50 * 10; /* no limit for t8, use t7 instead */ - spec.t9 = 50 * 10; /* no limit for t9, make it symmetric with t8 */ - spec.t10 = 500 * 10; - /* This one is special and actually in units of 100ms, but zero - * based in the hw (so we need to add 100 ms). But the sw vbt - * table multiplies it with 1000 to make it in units of 100usec, - * too. */ - spec.t11_t12 = (510 + 100) * 10; - - intel_pps_dump_state("vbt", &vbt); - - /* Use the max of the register settings and vbt. If both are - * unset, fall back to the spec limits. */ -#define assign_final(field) final->field = (max(cur.field, vbt.field) == 0 ? \ - spec.field : \ - max(cur.field, vbt.field)) - assign_final(t1_t3); - assign_final(t8); - assign_final(t9); - assign_final(t10); - assign_final(t11_t12); -#undef assign_final - -#define get_delay(field) (DIV_ROUND_UP(final->field, 10)) - intel_dp->panel_power_up_delay = get_delay(t1_t3); - intel_dp->backlight_on_delay = get_delay(t8); - intel_dp->backlight_off_delay = get_delay(t9); - intel_dp->panel_power_down_delay = get_delay(t10); - intel_dp->panel_power_cycle_delay = get_delay(t11_t12); -#undef get_delay - - drm_dbg_kms(&dev_priv->drm, - "panel power up delay %d, power down delay %d, power cycle delay %d\n", - intel_dp->panel_power_up_delay, - intel_dp->panel_power_down_delay, - intel_dp->panel_power_cycle_delay); - - drm_dbg_kms(&dev_priv->drm, "backlight on delay %d, off delay %d\n", - intel_dp->backlight_on_delay, - intel_dp->backlight_off_delay); - - /* - * We override the HW backlight delays to 1 because we do manual waits - * on them. For T8, even BSpec recommends doing it. For T9, if we - * don't do this, we'll end up waiting for the backlight off delay - * twice: once when we do the manual sleep, and once when we disable - * the panel and wait for the PP_STATUS bit to become zero. - */ - final->t8 = 1; - final->t9 = 1; - - /* - * HW has only a 100msec granularity for t11_t12 so round it up - * accordingly. - */ - final->t11_t12 = roundup(final->t11_t12, 100 * 10); -} - -static void -intel_dp_init_panel_power_sequencer_registers(struct intel_dp *intel_dp, - bool force_disable_vdd) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - u32 pp_on, pp_off, port_sel = 0; - int div = RUNTIME_INFO(dev_priv)->rawclk_freq / 1000; - struct pps_registers regs; - enum port port = dp_to_dig_port(intel_dp)->base.port; - const struct edp_power_seq *seq = &intel_dp->pps_delays; - - lockdep_assert_held(&dev_priv->pps_mutex); - - intel_pps_get_registers(intel_dp, ®s); - - /* - * On some VLV machines the BIOS can leave the VDD - * enabled even on power sequencers which aren't - * hooked up to any port. This would mess up the - * power domain tracking the first time we pick - * one of these power sequencers for use since - * edp_panel_vdd_on() would notice that the VDD was - * already on and therefore wouldn't grab the power - * domain reference. Disable VDD first to avoid this. - * This also avoids spuriously turning the VDD on as - * soon as the new power sequencer gets initialized. - */ - if (force_disable_vdd) { - u32 pp = ilk_get_pp_control(intel_dp); - - drm_WARN(&dev_priv->drm, pp & PANEL_POWER_ON, - "Panel power already on\n"); - - if (pp & EDP_FORCE_VDD) - drm_dbg_kms(&dev_priv->drm, - "VDD already on, disabling first\n"); - - pp &= ~EDP_FORCE_VDD; - - intel_de_write(dev_priv, regs.pp_ctrl, pp); - } - - pp_on = REG_FIELD_PREP(PANEL_POWER_UP_DELAY_MASK, seq->t1_t3) | - REG_FIELD_PREP(PANEL_LIGHT_ON_DELAY_MASK, seq->t8); - pp_off = REG_FIELD_PREP(PANEL_LIGHT_OFF_DELAY_MASK, seq->t9) | - REG_FIELD_PREP(PANEL_POWER_DOWN_DELAY_MASK, seq->t10); - - /* Haswell doesn't have any port selection bits for the panel - * power sequencer any more. */ - if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) { - port_sel = PANEL_PORT_SELECT_VLV(port); - } else if (HAS_PCH_IBX(dev_priv) || HAS_PCH_CPT(dev_priv)) { - switch (port) { - case PORT_A: - port_sel = PANEL_PORT_SELECT_DPA; - break; - case PORT_C: - port_sel = PANEL_PORT_SELECT_DPC; - break; - case PORT_D: - port_sel = PANEL_PORT_SELECT_DPD; - break; - default: - MISSING_CASE(port); - break; - } - } - - pp_on |= port_sel; - - intel_de_write(dev_priv, regs.pp_on, pp_on); - intel_de_write(dev_priv, regs.pp_off, pp_off); - - /* - * Compute the divisor for the pp clock, simply match the Bspec formula. - */ - if (i915_mmio_reg_valid(regs.pp_div)) { - intel_de_write(dev_priv, regs.pp_div, - REG_FIELD_PREP(PP_REFERENCE_DIVIDER_MASK, (100 * div) / 2 - 1) | REG_FIELD_PREP(PANEL_POWER_CYCLE_DELAY_MASK, DIV_ROUND_UP(seq->t11_t12, 1000))); - } else { - u32 pp_ctl; - - pp_ctl = intel_de_read(dev_priv, regs.pp_ctrl); - pp_ctl &= ~BXT_POWER_CYCLE_DELAY_MASK; - pp_ctl |= REG_FIELD_PREP(BXT_POWER_CYCLE_DELAY_MASK, DIV_ROUND_UP(seq->t11_t12, 1000)); - intel_de_write(dev_priv, regs.pp_ctrl, pp_ctl); - } - - drm_dbg_kms(&dev_priv->drm, - "panel power sequencer register settings: PP_ON %#x, PP_OFF %#x, PP_DIV %#x\n", - intel_de_read(dev_priv, regs.pp_on), - intel_de_read(dev_priv, regs.pp_off), - i915_mmio_reg_valid(regs.pp_div) ? - intel_de_read(dev_priv, regs.pp_div) : - (intel_de_read(dev_priv, regs.pp_ctrl) & BXT_POWER_CYCLE_DELAY_MASK)); -} - -static void intel_dp_pps_init(struct intel_dp *intel_dp) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - - if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) { - vlv_initial_power_sequencer_setup(intel_dp); - } else { - intel_dp_init_panel_power_sequencer(intel_dp); - intel_dp_init_panel_power_sequencer_registers(intel_dp, false); - } + if (HAS_VRR(dev_priv)) + drm_connector_attach_vrr_capable_property(connector); } /** @@ -7903,14 +6409,11 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp, struct drm_display_mode *downclock_mode = NULL; bool has_dpcd; enum pipe pipe = INVALID_PIPE; - intel_wakeref_t wakeref; struct edid *edid; if (!intel_dp_is_edp(intel_dp)) return true; - INIT_DELAYED_WORK(&intel_dp->panel_vdd_work, edp_panel_vdd_work); - /* * On IBX/CPT we may get here with LVDS already registered. Since the * driver uses the only internal power sequencer available for both @@ -7926,11 +6429,7 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp, return false; } - with_pps_lock(intel_dp, wakeref) { - intel_dp_init_panel_power_timestamps(intel_dp); - intel_dp_pps_init(intel_dp); - intel_edp_panel_vdd_sanitize(intel_dp); - } + intel_pps_init(intel_dp); /* Cache DPCD and EDID for edp. */ has_dpcd = intel_edp_init_dpcd(intel_dp); @@ -7947,7 +6446,6 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp, if (edid) { if (drm_add_edid_modes(connector, edid)) { drm_connector_update_edid_property(connector, edid); - intel_dp->edid_quirks = drm_dp_get_edid_quirks(edid); } else { kfree(edid); edid = ERR_PTR(-EINVAL); @@ -7975,7 +6473,7 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp, pipe = vlv_active_pipe(intel_dp); if (pipe != PIPE_A && pipe != PIPE_B) - pipe = intel_dp->pps_pipe; + pipe = intel_dp->pps.pps_pipe; if (pipe != PIPE_A && pipe != PIPE_B) pipe = PIPE_A; @@ -7986,7 +6484,7 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp, } intel_panel_init(&intel_connector->panel, fixed_mode, downclock_mode); - intel_connector->panel.backlight.power = intel_edp_backlight_power; + intel_connector->panel.backlight.power = intel_pps_backlight_power; intel_panel_setup_backlight(connector, pipe); if (fixed_mode) { @@ -7998,13 +6496,7 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp, return true; out_vdd_off: - cancel_delayed_work_sync(&intel_dp->panel_vdd_work); - /* - * vdd might still be enabled do to the delayed vdd off. - * Make sure vdd is actually turned off here. - */ - with_pps_lock(intel_dp, wakeref) - edp_panel_vdd_off_sync(intel_dp); + intel_pps_vdd_off_sync(intel_dp); return false; } @@ -8058,8 +6550,8 @@ intel_dp_init_connector(struct intel_digital_port *dig_port, intel_dp_set_source_rates(intel_dp); intel_dp->reset_link_params = true; - intel_dp->pps_pipe = INVALID_PIPE; - intel_dp->active_pipe = INVALID_PIPE; + intel_dp->pps.pps_pipe = INVALID_PIPE; + intel_dp->pps.active_pipe = INVALID_PIPE; /* Preserve the current hw state. */ intel_dp->DP = intel_de_read(dev_priv, intel_dp->output_reg); @@ -8077,7 +6569,7 @@ intel_dp_init_connector(struct intel_digital_port *dig_port, } if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) - intel_dp->active_pipe = vlv_active_pipe(intel_dp); + intel_dp->pps.active_pipe = vlv_active_pipe(intel_dp); /* * For eDP we always set the encoder type to INTEL_OUTPUT_EDP, but @@ -8146,6 +6638,9 @@ intel_dp_init_connector(struct intel_digital_port *dig_port, (temp & ~0xf) | 0xd); } + intel_dp->frl.is_trained = false; + intel_dp->frl.trained_rate_gbps = 0; + return true; fail: |