diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dp.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp.c | 956 |
1 files changed, 289 insertions, 667 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 90fa73575feb..ff5ba7b3035f 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -67,6 +67,7 @@ #include "intel_dp_hdcp.h" #include "intel_dp_link_training.h" #include "intel_dp_mst.h" +#include "intel_dp_test.h" #include "intel_dp_tunnel.h" #include "intel_dpio_phy.h" #include "intel_dpll.h" @@ -82,8 +83,10 @@ #include "intel_modeset_lock.h" #include "intel_panel.h" #include "intel_pch_display.h" +#include "intel_pfit.h" #include "intel_pps.h" #include "intel_psr.h" +#include "intel_runtime_pm.h" #include "intel_quirks.h" #include "intel_tc.h" #include "intel_vdsc.h" @@ -103,13 +106,6 @@ /* DP DSC FEC Overhead factor in ppm = 1/(0.972261) = 1.028530 */ #define DP_DSC_FEC_OVERHEAD_FACTOR 1028530 -/* Compliance test status bits */ -#define INTEL_DP_RESOLUTION_SHIFT_MASK 0 -#define INTEL_DP_RESOLUTION_PREFERRED (1 << INTEL_DP_RESOLUTION_SHIFT_MASK) -#define INTEL_DP_RESOLUTION_STANDARD (2 << INTEL_DP_RESOLUTION_SHIFT_MASK) -#define INTEL_DP_RESOLUTION_FAILSAFE (3 << INTEL_DP_RESOLUTION_SHIFT_MASK) - - /* Constants for DP DSC configurations */ static const u8 valid_dsc_bpp[] = {6, 8, 10, 12, 15}; @@ -501,7 +497,7 @@ static int mtl_max_source_rate(struct intel_dp *intel_dp) if (intel_encoder_is_c10phy(encoder)) return 810000; - if (DISPLAY_VER_FULL(to_i915(encoder->base.dev)) == IP_VER(14, 1)) + if (DISPLAY_VERx100(to_i915(encoder->base.dev)) == 1401) return 1350000; return 2000000; @@ -770,8 +766,8 @@ static void intel_dp_set_common_rates(struct intel_dp *intel_dp) intel_dp_link_config_init(intel_dp); } -static bool intel_dp_link_params_valid(struct intel_dp *intel_dp, int link_rate, - u8 lane_count) +bool intel_dp_link_params_valid(struct intel_dp *intel_dp, int link_rate, + u8 lane_count) { /* * FIXME: we need to synchronize the current link parameters with @@ -865,36 +861,74 @@ u32 intel_dp_dsc_nearest_valid_bpp(struct drm_i915_private *i915, u32 bpp, u32 p return bits_per_pixel; } -static -u32 get_max_compressed_bpp_with_joiner(struct drm_i915_private *i915, - u32 mode_clock, u32 mode_hdisplay, - bool bigjoiner) +static int bigjoiner_interface_bits(struct intel_display *display) +{ + return DISPLAY_VER(display) >= 14 ? 36 : 24; +} + +static u32 bigjoiner_bw_max_bpp(struct intel_display *display, u32 mode_clock, + int num_joined_pipes) +{ + u32 max_bpp; + /* With bigjoiner multiple dsc engines are used in parallel so PPC is 2 */ + int ppc = 2; + int num_big_joiners = num_joined_pipes / 2; + + max_bpp = display->cdclk.max_cdclk_freq * ppc * bigjoiner_interface_bits(display) / + intel_dp_mode_to_fec_clock(mode_clock); + + max_bpp *= num_big_joiners; + + return max_bpp; + +} + +static u32 small_joiner_ram_max_bpp(struct intel_display *display, + u32 mode_hdisplay, + int num_joined_pipes) { - u32 max_bpp_small_joiner_ram; + struct drm_i915_private *i915 = to_i915(display->drm); + u32 max_bpp; /* Small Joiner Check: output bpp <= joiner RAM (bits) / Horiz. width */ - max_bpp_small_joiner_ram = small_joiner_ram_size_bits(i915) / mode_hdisplay; + max_bpp = small_joiner_ram_size_bits(i915) / mode_hdisplay; - if (bigjoiner) { - int bigjoiner_interface_bits = DISPLAY_VER(i915) >= 14 ? 36 : 24; - /* With bigjoiner multiple dsc engines are used in parallel so PPC is 2 */ - int ppc = 2; - u32 max_bpp_bigjoiner = - i915->display.cdclk.max_cdclk_freq * ppc * bigjoiner_interface_bits / - intel_dp_mode_to_fec_clock(mode_clock); + max_bpp *= num_joined_pipes; - max_bpp_small_joiner_ram *= 2; + return max_bpp; +} - return min(max_bpp_small_joiner_ram, max_bpp_bigjoiner); - } +static int ultrajoiner_ram_bits(void) +{ + return 4 * 72 * 512; +} + +static u32 ultrajoiner_ram_max_bpp(u32 mode_hdisplay) +{ + return ultrajoiner_ram_bits() / mode_hdisplay; +} + +static +u32 get_max_compressed_bpp_with_joiner(struct drm_i915_private *i915, + u32 mode_clock, u32 mode_hdisplay, + int num_joined_pipes) +{ + struct intel_display *display = to_intel_display(&i915->drm); + u32 max_bpp = small_joiner_ram_max_bpp(display, mode_hdisplay, num_joined_pipes); + + if (num_joined_pipes > 1) + max_bpp = min(max_bpp, bigjoiner_bw_max_bpp(display, mode_clock, + num_joined_pipes)); + if (num_joined_pipes == 4) + max_bpp = min(max_bpp, ultrajoiner_ram_max_bpp(mode_hdisplay)); - return max_bpp_small_joiner_ram; + return max_bpp; } u16 intel_dp_dsc_get_max_compressed_bpp(struct drm_i915_private *i915, u32 link_clock, u32 lane_count, u32 mode_clock, u32 mode_hdisplay, - bool bigjoiner, + int num_joined_pipes, enum intel_output_format output_format, u32 pipe_bpp, u32 timeslots) @@ -940,7 +974,7 @@ u16 intel_dp_dsc_get_max_compressed_bpp(struct drm_i915_private *i915, intel_dp_mode_to_fec_clock(mode_clock)); joiner_max_bpp = get_max_compressed_bpp_with_joiner(i915, mode_clock, - mode_hdisplay, bigjoiner); + mode_hdisplay, num_joined_pipes); bits_per_pixel = min(bits_per_pixel, joiner_max_bpp); bits_per_pixel = intel_dp_dsc_nearest_valid_bpp(i915, bits_per_pixel, pipe_bpp); @@ -950,7 +984,7 @@ u16 intel_dp_dsc_get_max_compressed_bpp(struct drm_i915_private *i915, u8 intel_dp_dsc_get_slice_count(const struct intel_connector *connector, int mode_clock, int mode_hdisplay, - bool bigjoiner) + int num_joined_pipes) { struct drm_i915_private *i915 = to_i915(connector->base.dev); u8 min_slice_count, i; @@ -984,14 +1018,18 @@ u8 intel_dp_dsc_get_slice_count(const struct intel_connector *connector, /* Find the closest match to the valid slice count values */ for (i = 0; i < ARRAY_SIZE(valid_dsc_slicecount); i++) { - u8 test_slice_count = valid_dsc_slicecount[i] << bigjoiner; + u8 test_slice_count = valid_dsc_slicecount[i] * num_joined_pipes; if (test_slice_count > drm_dp_dsc_sink_max_slice_count(connector->dp.dsc_dpcd, false)) break; - /* big joiner needs small joiner to be enabled */ - if (bigjoiner && test_slice_count < 4) + /* + * Bigjoiner needs small joiner to be enabled. + * So there should be at least 2 dsc slices per pipe, + * whenever bigjoiner is enabled. + */ + if (num_joined_pipes > 1 && valid_dsc_slicecount[i] < 2) continue; if (min_slice_count <= test_slice_count) @@ -1270,17 +1308,45 @@ intel_dp_mode_valid_downstream(struct intel_connector *connector, return MODE_OK; } -bool intel_dp_need_joiner(struct intel_dp *intel_dp, - struct intel_connector *connector, - int hdisplay, int clock) +static +bool intel_dp_needs_joiner(struct intel_dp *intel_dp, + struct intel_connector *connector, + int hdisplay, int clock, + int num_joined_pipes) { struct drm_i915_private *i915 = dp_to_i915(intel_dp); + int hdisplay_limit; if (!intel_dp_has_joiner(intel_dp)) return false; - return clock > i915->display.cdclk.max_dotclk_freq || hdisplay > 5120 || - connector->force_bigjoiner_enable; + num_joined_pipes /= 2; + + hdisplay_limit = DISPLAY_VER(i915) >= 30 ? 6144 : 5120; + + return clock > num_joined_pipes * i915->display.cdclk.max_dotclk_freq || + hdisplay > num_joined_pipes * hdisplay_limit; +} + +int intel_dp_num_joined_pipes(struct intel_dp *intel_dp, + struct intel_connector *connector, + int hdisplay, int clock) +{ + struct intel_display *display = to_intel_display(intel_dp); + struct drm_i915_private *i915 = to_i915(display->drm); + + if (connector->force_joined_pipes) + return connector->force_joined_pipes; + + if (HAS_ULTRAJOINER(i915) && + intel_dp_needs_joiner(intel_dp, connector, hdisplay, clock, 4)) + return 4; + + if ((HAS_BIGJOINER(i915) || HAS_UNCOMPRESSED_JOINER(i915)) && + intel_dp_needs_joiner(intel_dp, connector, hdisplay, clock, 2)) + return 2; + + return 1; } bool intel_dp_has_dsc(const struct intel_connector *connector) @@ -1317,7 +1383,8 @@ intel_dp_mode_valid(struct drm_connector *_connector, u16 dsc_max_compressed_bpp = 0; u8 dsc_slice_count = 0; enum drm_mode_status status; - bool dsc = false, joiner = false; + bool dsc = false; + int num_joined_pipes; status = intel_cpu_transcoder_mode_valid(dev_priv, mode); if (status != MODE_OK) @@ -1338,11 +1405,10 @@ intel_dp_mode_valid(struct drm_connector *_connector, target_clock = fixed_mode->clock; } - if (intel_dp_need_joiner(intel_dp, connector, - mode->hdisplay, target_clock)) { - joiner = true; - max_dotclk *= 2; - } + num_joined_pipes = intel_dp_num_joined_pipes(intel_dp, connector, + mode->hdisplay, target_clock); + max_dotclk *= num_joined_pipes; + if (target_clock > max_dotclk) return MODE_CLOCK_HIGH; @@ -1386,20 +1452,20 @@ intel_dp_mode_valid(struct drm_connector *_connector, max_lanes, target_clock, mode->hdisplay, - joiner, + num_joined_pipes, output_format, pipe_bpp, 64); dsc_slice_count = intel_dp_dsc_get_slice_count(connector, target_clock, mode->hdisplay, - joiner); + num_joined_pipes); } dsc = dsc_max_compressed_bpp && dsc_slice_count; } - if (intel_dp_joiner_needs_dsc(dev_priv, joiner) && !dsc) + if (intel_dp_joiner_needs_dsc(dev_priv, num_joined_pipes) && !dsc) return MODE_CLOCK_HIGH; if (mode_rate > max_rate && !dsc) @@ -1409,7 +1475,7 @@ intel_dp_mode_valid(struct drm_connector *_connector, if (status != MODE_OK) return status; - return intel_mode_valid_max_plane_size(dev_priv, mode, joiner); + return intel_mode_valid_max_plane_size(dev_priv, mode, num_joined_pipes); } bool intel_dp_source_supports_tps3(struct drm_i915_private *i915) @@ -1632,45 +1698,6 @@ static int intel_dp_max_bpp(struct intel_dp *intel_dp, return bpp; } -/* Adjust link config limits based on compliance test requests. */ -void -intel_dp_adjust_compliance_config(struct intel_dp *intel_dp, - struct intel_crtc_state *pipe_config, - struct link_config_limits *limits) -{ - struct drm_i915_private *i915 = dp_to_i915(intel_dp); - - /* For DP Compliance we override the computed bpp for the pipe */ - if (intel_dp->compliance.test_data.bpc != 0) { - int bpp = 3 * intel_dp->compliance.test_data.bpc; - - limits->pipe.min_bpp = limits->pipe.max_bpp = bpp; - pipe_config->dither_force_disable = bpp == 6 * 3; - - drm_dbg_kms(&i915->drm, "Setting pipe_bpp to %d\n", bpp); - } - - /* Use values requested by Compliance Test Request */ - if (intel_dp->compliance.test_type == DP_TEST_LINK_TRAINING) { - int index; - - /* Validate the compliance test data since max values - * might have changed due to link train fallback. - */ - if (intel_dp_link_params_valid(intel_dp, intel_dp->compliance.test_link_rate, - intel_dp->compliance.test_lane_count)) { - index = intel_dp_rate_index(intel_dp->common_rates, - intel_dp->num_common_rates, - intel_dp->compliance.test_link_rate); - if (index >= 0) - limits->min_rate = limits->max_rate = - intel_dp->compliance.test_link_rate; - limits->min_lane_count = limits->max_lane_count = - intel_dp->compliance.test_lane_count; - } - } -} - static bool has_seamless_m_n(struct intel_connector *connector) { struct drm_i915_private *i915 = to_i915(connector->base.dev); @@ -2109,6 +2136,7 @@ static int dsc_compute_compressed_bpp(struct intel_dp *intel_dp, int dsc_src_min_bpp, dsc_sink_min_bpp, dsc_min_bpp; int dsc_src_max_bpp, dsc_sink_max_bpp, dsc_max_bpp; int dsc_joiner_max_bpp; + int num_joined_pipes = intel_crtc_num_joined_pipes(pipe_config); dsc_src_min_bpp = dsc_src_min_compressed_bpp(); dsc_sink_min_bpp = intel_dp_dsc_sink_min_compressed_bpp(pipe_config); @@ -2123,7 +2151,7 @@ static int dsc_compute_compressed_bpp(struct intel_dp *intel_dp, dsc_joiner_max_bpp = get_max_compressed_bpp_with_joiner(i915, adjusted_mode->clock, adjusted_mode->hdisplay, - pipe_config->joiner_pipes); + num_joined_pipes); dsc_max_bpp = min(dsc_max_bpp, dsc_joiner_max_bpp); dsc_max_bpp = min(dsc_max_bpp, fxp_q4_to_int(limits->link.max_bpp_x16)); @@ -2308,11 +2336,18 @@ int intel_dp_dsc_compute_config(struct intel_dp *intel_dp, to_intel_connector(conn_state->connector); const struct drm_display_mode *adjusted_mode = &pipe_config->hw.adjusted_mode; + int num_joined_pipes = intel_crtc_num_joined_pipes(pipe_config); int ret; + /* + * Though eDP v1.5 supports FEC with DSC, unlike DP, it is optional. + * Since, FEC is a bandwidth overhead, continue to not enable it for + * eDP. Until, there is a good reason to do so. + */ pipe_config->fec_enable = pipe_config->fec_enable || (!intel_dp_is_edp(intel_dp) && - intel_dp_supports_fec(intel_dp, connector, pipe_config)); + intel_dp_supports_fec(intel_dp, connector, pipe_config) && + !intel_dp_is_uhbr(pipe_config)); if (!intel_dp_supports_dsc(connector, pipe_config)) return -EINVAL; @@ -2357,7 +2392,7 @@ int intel_dp_dsc_compute_config(struct intel_dp *intel_dp, intel_dp_dsc_get_slice_count(connector, adjusted_mode->crtc_clock, adjusted_mode->crtc_hdisplay, - pipe_config->joiner_pipes); + num_joined_pipes); if (!dsc_dp_slice_count) { drm_dbg_kms(&dev_priv->drm, "Compressed Slice Count not supported\n"); @@ -2445,7 +2480,7 @@ intel_dp_compute_config_link_bpp_limits(struct intel_dp *intel_dp, encoder->base.base.id, encoder->base.name, crtc->base.base.id, crtc->base.name, adjusted_mode->crtc_clock, - dsc ? "on" : "off", + str_on_off(dsc), limits->max_lane_count, limits->max_rate, limits->pipe.max_bpp, @@ -2488,7 +2523,7 @@ intel_dp_compute_config_limits(struct intel_dp *intel_dp, limits->min_rate = limits->max_rate; } - intel_dp_adjust_compliance_config(intel_dp, crtc_state, limits); + intel_dp_test_compute_config(intel_dp, crtc_state, limits); return intel_dp_compute_config_link_bpp_limits(intel_dp, crtc_state, @@ -2507,14 +2542,17 @@ int intel_dp_config_required_rate(const struct intel_crtc_state *crtc_state) return intel_dp_link_required(adjusted_mode->crtc_clock, bpp); } -bool intel_dp_joiner_needs_dsc(struct drm_i915_private *i915, bool use_joiner) +bool intel_dp_joiner_needs_dsc(struct drm_i915_private *i915, + int num_joined_pipes) { /* * Pipe joiner needs compression up to display 12 due to bandwidth * limitation. DG2 onwards pipe joiner can be enabled without * compression. + * Ultrajoiner always needs compression. */ - return DISPLAY_VER(i915) < 13 && use_joiner; + return (!HAS_UNCOMPRESSED_JOINER(i915) && num_joined_pipes == 2) || + num_joined_pipes == 4; } static int @@ -2532,18 +2570,20 @@ intel_dp_compute_link_config(struct intel_encoder *encoder, struct intel_dp *intel_dp = enc_to_intel_dp(encoder); struct link_config_limits limits; bool dsc_needed, joiner_needs_dsc; + int num_joined_pipes; int ret = 0; if (pipe_config->fec_enable && !intel_dp_supports_fec(intel_dp, connector, pipe_config)) return -EINVAL; - if (intel_dp_need_joiner(intel_dp, connector, - adjusted_mode->crtc_hdisplay, - adjusted_mode->crtc_clock)) - pipe_config->joiner_pipes = GENMASK(crtc->pipe + 1, crtc->pipe); + num_joined_pipes = intel_dp_num_joined_pipes(intel_dp, connector, + adjusted_mode->crtc_hdisplay, + adjusted_mode->crtc_clock); + if (num_joined_pipes > 1) + pipe_config->joiner_pipes = GENMASK(crtc->pipe + num_joined_pipes - 1, crtc->pipe); - joiner_needs_dsc = intel_dp_joiner_needs_dsc(i915, pipe_config->joiner_pipes); + joiner_needs_dsc = intel_dp_joiner_needs_dsc(i915, num_joined_pipes); dsc_needed = joiner_needs_dsc || intel_dp->force_dsc_en || !intel_dp_compute_config_limits(intel_dp, pipe_config, @@ -2742,7 +2782,6 @@ static void intel_dp_compute_as_sdp(struct intel_dp *intel_dp, as_sdp->sdp_type = DP_SDP_ADAPTIVE_SYNC; as_sdp->length = 0x9; as_sdp->duration_incr_ms = 0; - as_sdp->duration_incr_ms = 0; if (crtc_state->cmrr.enable) { as_sdp->mode = DP_AS_SDP_FAVT_TRR_REACHED; @@ -3365,30 +3404,43 @@ void intel_dp_sink_disable_decompression(struct intel_atomic_state *state, } static void -intel_edp_init_source_oui(struct intel_dp *intel_dp, bool careful) +intel_dp_init_source_oui(struct intel_dp *intel_dp) { struct drm_i915_private *i915 = dp_to_i915(intel_dp); u8 oui[] = { 0x00, 0xaa, 0x01 }; u8 buf[3] = {}; + if (READ_ONCE(intel_dp->oui_valid)) + return; + + WRITE_ONCE(intel_dp->oui_valid, true); + /* * 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 (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 (memcmp(oui, buf, sizeof(oui)) == 0) { + /* Assume the OUI was written now. */ + intel_dp->last_oui_write = jiffies; + 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 (drm_dp_dpcd_write(&intel_dp->aux, DP_SOURCE_OUI, oui, sizeof(oui)) < 0) { + drm_info(&i915->drm, "Failed to write source OUI\n"); + WRITE_ONCE(intel_dp->oui_valid, false); + } intel_dp->last_oui_write = jiffies; } +void intel_dp_invalidate_source_oui(struct intel_dp *intel_dp) +{ + WRITE_ONCE(intel_dp->oui_valid, false); +} + void intel_dp_wait_source_oui(struct intel_dp *intel_dp) { struct intel_connector *connector = intel_dp->attached_connector; @@ -3424,8 +3476,7 @@ 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); + intel_dp_init_source_oui(intel_dp); /* * When turning on, we need to retry for 1ms to give the sink @@ -3900,7 +3951,7 @@ void intel_dp_configure_protocol_converter(struct intel_dp *intel_dp, str_enable_disable(tmp)); } -bool intel_dp_get_colorimetry_status(struct intel_dp *intel_dp) +static bool intel_dp_get_colorimetry_status(struct intel_dp *intel_dp) { u8 dprx = 0; @@ -3963,6 +4014,23 @@ static void intel_edp_get_dsc_sink_cap(u8 edp_dpcd_rev, struct intel_connector * intel_dp_read_dsc_dpcd(connector->dp.dsc_decompression_aux, connector->dp.dsc_dpcd); } +static void +intel_dp_detect_dsc_caps(struct intel_dp *intel_dp, struct intel_connector *connector) +{ + struct drm_i915_private *i915 = dp_to_i915(intel_dp); + + /* Read DP Sink DSC Cap DPCD regs for DP v1.4 */ + if (!HAS_DSC(i915)) + return; + + if (intel_dp_is_edp(intel_dp)) + intel_edp_get_dsc_sink_cap(intel_dp->edp_dpcd[0], + connector); + else + intel_dp_get_dsc_sink_cap(intel_dp->dpcd[DP_DPCD_REV], + connector); +} + static void intel_edp_mso_mode_fixup(struct intel_connector *connector, struct drm_display_mode *mode) { @@ -4051,6 +4119,45 @@ static void intel_edp_mso_init(struct intel_dp *intel_dp) intel_dp->mso_pixel_overlap = mso ? info->mso_pixel_overlap : 0; } +static void +intel_edp_set_sink_rates(struct intel_dp *intel_dp) +{ + intel_dp->num_sink_rates = 0; + + if (intel_dp->edp_dpcd[0] >= DP_EDP_14) { + __le16 sink_rates[DP_MAX_SUPPORTED_RATES]; + int i; + + drm_dp_dpcd_read(&intel_dp->aux, DP_SUPPORTED_LINK_RATES, + sink_rates, sizeof(sink_rates)); + + for (i = 0; i < ARRAY_SIZE(sink_rates); i++) { + int val = le16_to_cpu(sink_rates[i]); + + if (val == 0) + break; + + /* Value read multiplied by 200kHz gives the per-lane + * link rate in kHz. The source rates are, however, + * stored in terms of LS_Clk kHz. The full conversion + * back to symbols is + * (val * 200kHz)*(8/10 ch. encoding)*(1/8 bit to Byte) + */ + intel_dp->sink_rates[i] = (val * 200) / 10; + } + intel_dp->num_sink_rates = i; + } + + /* + * Use DP_LINK_RATE_SET if DP_SUPPORTED_LINK_RATES are available, + * default to DP_MAX_LINK_RATE and DP_LINK_BW_SET otherwise. + */ + if (intel_dp->num_sink_rates) + intel_dp->use_rate_select = true; + else + intel_dp_set_sink_rates(intel_dp); +} + static bool intel_edp_init_dpcd(struct intel_dp *intel_dp, struct intel_connector *connector) { @@ -4090,59 +4197,22 @@ intel_edp_init_dpcd(struct intel_dp *intel_dp, struct intel_connector *connector } /* + * If needed, program our source OUI so we can make various Intel-specific AUX services + * available (such as HDR backlight controls) + */ + intel_dp_init_source_oui(intel_dp); + + /* * This has to be called after intel_dp->edp_dpcd is filled, PSR checks * for SET_POWER_CAPABLE bit in intel_dp->edp_dpcd[1] */ intel_psr_init_dpcd(intel_dp); - /* Clear the default sink rates */ - intel_dp->num_sink_rates = 0; - - /* Read the eDP 1.4+ supported link rates. */ - if (intel_dp->edp_dpcd[0] >= DP_EDP_14) { - __le16 sink_rates[DP_MAX_SUPPORTED_RATES]; - int i; - - drm_dp_dpcd_read(&intel_dp->aux, DP_SUPPORTED_LINK_RATES, - sink_rates, sizeof(sink_rates)); - - for (i = 0; i < ARRAY_SIZE(sink_rates); i++) { - int val = le16_to_cpu(sink_rates[i]); - - if (val == 0) - break; - - /* Value read multiplied by 200kHz gives the per-lane - * link rate in kHz. The source rates are, however, - * stored in terms of LS_Clk kHz. The full conversion - * back to symbols is - * (val * 200kHz)*(8/10 ch. encoding)*(1/8 bit to Byte) - */ - intel_dp->sink_rates[i] = (val * 200) / 10; - } - intel_dp->num_sink_rates = i; - } - - /* - * Use DP_LINK_RATE_SET if DP_SUPPORTED_LINK_RATES are available, - * default to DP_MAX_LINK_RATE and DP_LINK_BW_SET otherwise. - */ - if (intel_dp->num_sink_rates) - intel_dp->use_rate_select = true; - else - intel_dp_set_sink_rates(intel_dp); + intel_edp_set_sink_rates(intel_dp); intel_dp_set_max_sink_lane_count(intel_dp); /* Read the eDP DSC DPCD registers */ - if (HAS_DSC(dev_priv)) - intel_edp_get_dsc_sink_cap(intel_dp->edp_dpcd[0], - connector); - - /* - * 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); + intel_dp_detect_dsc_caps(intel_dp, connector); return true; } @@ -4771,328 +4841,6 @@ void intel_read_dp_sdp(struct intel_encoder *encoder, } } -static u8 intel_dp_autotest_link_training(struct intel_dp *intel_dp) -{ - struct drm_i915_private *i915 = dp_to_i915(intel_dp); - int status = 0; - int test_link_rate; - u8 test_lane_count, test_link_bw; - /* (DP CTS 1.2) - * 4.3.1.11 - */ - /* Read the TEST_LANE_COUNT and TEST_LINK_RTAE fields (DP CTS 3.1.4) */ - status = drm_dp_dpcd_readb(&intel_dp->aux, DP_TEST_LANE_COUNT, - &test_lane_count); - - if (status <= 0) { - drm_dbg_kms(&i915->drm, "Lane count read failed\n"); - return DP_TEST_NAK; - } - test_lane_count &= DP_MAX_LANE_COUNT_MASK; - - status = drm_dp_dpcd_readb(&intel_dp->aux, DP_TEST_LINK_RATE, - &test_link_bw); - if (status <= 0) { - drm_dbg_kms(&i915->drm, "Link Rate read failed\n"); - return DP_TEST_NAK; - } - test_link_rate = drm_dp_bw_code_to_link_rate(test_link_bw); - - /* Validate the requested link rate and lane count */ - if (!intel_dp_link_params_valid(intel_dp, test_link_rate, - test_lane_count)) - return DP_TEST_NAK; - - intel_dp->compliance.test_lane_count = test_lane_count; - intel_dp->compliance.test_link_rate = test_link_rate; - - return DP_TEST_ACK; -} - -static u8 intel_dp_autotest_video_pattern(struct intel_dp *intel_dp) -{ - struct drm_i915_private *i915 = dp_to_i915(intel_dp); - u8 test_pattern; - u8 test_misc; - __be16 h_width, v_height; - int status = 0; - - /* Read the TEST_PATTERN (DP CTS 3.1.5) */ - status = drm_dp_dpcd_readb(&intel_dp->aux, DP_TEST_PATTERN, - &test_pattern); - if (status <= 0) { - drm_dbg_kms(&i915->drm, "Test pattern read failed\n"); - return DP_TEST_NAK; - } - if (test_pattern != DP_COLOR_RAMP) - return DP_TEST_NAK; - - status = drm_dp_dpcd_read(&intel_dp->aux, DP_TEST_H_WIDTH_HI, - &h_width, 2); - if (status <= 0) { - drm_dbg_kms(&i915->drm, "H Width read failed\n"); - return DP_TEST_NAK; - } - - status = drm_dp_dpcd_read(&intel_dp->aux, DP_TEST_V_HEIGHT_HI, - &v_height, 2); - if (status <= 0) { - drm_dbg_kms(&i915->drm, "V Height read failed\n"); - return DP_TEST_NAK; - } - - status = drm_dp_dpcd_readb(&intel_dp->aux, DP_TEST_MISC0, - &test_misc); - if (status <= 0) { - drm_dbg_kms(&i915->drm, "TEST MISC read failed\n"); - return DP_TEST_NAK; - } - if ((test_misc & DP_TEST_COLOR_FORMAT_MASK) != DP_COLOR_FORMAT_RGB) - return DP_TEST_NAK; - if (test_misc & DP_TEST_DYNAMIC_RANGE_CEA) - return DP_TEST_NAK; - switch (test_misc & DP_TEST_BIT_DEPTH_MASK) { - case DP_TEST_BIT_DEPTH_6: - intel_dp->compliance.test_data.bpc = 6; - break; - case DP_TEST_BIT_DEPTH_8: - intel_dp->compliance.test_data.bpc = 8; - break; - default: - return DP_TEST_NAK; - } - - intel_dp->compliance.test_data.video_pattern = test_pattern; - intel_dp->compliance.test_data.hdisplay = be16_to_cpu(h_width); - intel_dp->compliance.test_data.vdisplay = be16_to_cpu(v_height); - /* Set test active flag here so userspace doesn't interrupt things */ - intel_dp->compliance.test_active = true; - - return DP_TEST_ACK; -} - -static u8 intel_dp_autotest_edid(struct intel_dp *intel_dp) -{ - struct drm_i915_private *i915 = dp_to_i915(intel_dp); - u8 test_result = DP_TEST_ACK; - struct intel_connector *intel_connector = intel_dp->attached_connector; - struct drm_connector *connector = &intel_connector->base; - - if (intel_connector->detect_edid == NULL || - connector->edid_corrupt || - intel_dp->aux.i2c_defer_count > 6) { - /* Check EDID read for NACKs, DEFERs and corruption - * (DP CTS 1.2 Core r1.1) - * 4.2.2.4 : Failed EDID read, I2C_NAK - * 4.2.2.5 : Failed EDID read, I2C_DEFER - * 4.2.2.6 : EDID corruption detected - * Use failsafe mode for all cases - */ - if (intel_dp->aux.i2c_nack_count > 0 || - intel_dp->aux.i2c_defer_count > 0) - drm_dbg_kms(&i915->drm, - "EDID read had %d NACKs, %d DEFERs\n", - intel_dp->aux.i2c_nack_count, - intel_dp->aux.i2c_defer_count); - intel_dp->compliance.test_data.edid = INTEL_DP_RESOLUTION_FAILSAFE; - } else { - /* FIXME: Get rid of drm_edid_raw() */ - const struct edid *block = drm_edid_raw(intel_connector->detect_edid); - - /* We have to write the checksum of the last block read */ - block += block->extensions; - - if (drm_dp_dpcd_writeb(&intel_dp->aux, DP_TEST_EDID_CHECKSUM, - block->checksum) <= 0) - drm_dbg_kms(&i915->drm, - "Failed to write EDID checksum\n"); - - test_result = DP_TEST_ACK | DP_TEST_EDID_CHECKSUM_WRITE; - intel_dp->compliance.test_data.edid = INTEL_DP_RESOLUTION_PREFERRED; - } - - /* Set test active flag here so userspace doesn't interrupt things */ - intel_dp->compliance.test_active = true; - - return test_result; -} - -static void intel_dp_phy_pattern_update(struct intel_dp *intel_dp, - const struct intel_crtc_state *crtc_state) -{ - struct drm_i915_private *dev_priv = - to_i915(dp_to_dig_port(intel_dp)->base.base.dev); - struct drm_dp_phy_test_params *data = - &intel_dp->compliance.test_data.phytest; - struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); - struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base; - enum pipe pipe = crtc->pipe; - u32 pattern_val; - - switch (data->phy_pattern) { - case DP_LINK_QUAL_PATTERN_DISABLE: - drm_dbg_kms(&dev_priv->drm, "Disable Phy Test Pattern\n"); - intel_de_write(dev_priv, DDI_DP_COMP_CTL(pipe), 0x0); - if (DISPLAY_VER(dev_priv) >= 10) - intel_de_rmw(dev_priv, dp_tp_ctl_reg(encoder, crtc_state), - DP_TP_CTL_TRAIN_PAT4_SEL_MASK | DP_TP_CTL_LINK_TRAIN_MASK, - DP_TP_CTL_LINK_TRAIN_NORMAL); - break; - case DP_LINK_QUAL_PATTERN_D10_2: - drm_dbg_kms(&dev_priv->drm, "Set D10.2 Phy Test Pattern\n"); - intel_de_write(dev_priv, DDI_DP_COMP_CTL(pipe), - DDI_DP_COMP_CTL_ENABLE | DDI_DP_COMP_CTL_D10_2); - break; - case DP_LINK_QUAL_PATTERN_ERROR_RATE: - drm_dbg_kms(&dev_priv->drm, "Set Error Count Phy Test Pattern\n"); - intel_de_write(dev_priv, DDI_DP_COMP_CTL(pipe), - DDI_DP_COMP_CTL_ENABLE | - DDI_DP_COMP_CTL_SCRAMBLED_0); - break; - case DP_LINK_QUAL_PATTERN_PRBS7: - drm_dbg_kms(&dev_priv->drm, "Set PRBS7 Phy Test Pattern\n"); - intel_de_write(dev_priv, DDI_DP_COMP_CTL(pipe), - DDI_DP_COMP_CTL_ENABLE | DDI_DP_COMP_CTL_PRBS7); - break; - case DP_LINK_QUAL_PATTERN_80BIT_CUSTOM: - /* - * FIXME: Ideally pattern should come from DPCD 0x250. As - * current firmware of DPR-100 could not set it, so hardcoding - * now for complaince test. - */ - drm_dbg_kms(&dev_priv->drm, - "Set 80Bit Custom Phy Test Pattern 0x3e0f83e0 0x0f83e0f8 0x0000f83e\n"); - pattern_val = 0x3e0f83e0; - intel_de_write(dev_priv, DDI_DP_COMP_PAT(pipe, 0), pattern_val); - pattern_val = 0x0f83e0f8; - intel_de_write(dev_priv, DDI_DP_COMP_PAT(pipe, 1), pattern_val); - pattern_val = 0x0000f83e; - intel_de_write(dev_priv, DDI_DP_COMP_PAT(pipe, 2), pattern_val); - intel_de_write(dev_priv, DDI_DP_COMP_CTL(pipe), - DDI_DP_COMP_CTL_ENABLE | - DDI_DP_COMP_CTL_CUSTOM80); - break; - case DP_LINK_QUAL_PATTERN_CP2520_PAT_1: - /* - * FIXME: Ideally pattern should come from DPCD 0x24A. As - * current firmware of DPR-100 could not set it, so hardcoding - * now for complaince test. - */ - drm_dbg_kms(&dev_priv->drm, "Set HBR2 compliance Phy Test Pattern\n"); - pattern_val = 0xFB; - intel_de_write(dev_priv, DDI_DP_COMP_CTL(pipe), - DDI_DP_COMP_CTL_ENABLE | DDI_DP_COMP_CTL_HBR2 | - pattern_val); - break; - case DP_LINK_QUAL_PATTERN_CP2520_PAT_3: - if (DISPLAY_VER(dev_priv) < 10) { - drm_warn(&dev_priv->drm, "Platform does not support TPS4\n"); - break; - } - drm_dbg_kms(&dev_priv->drm, "Set TPS4 compliance Phy Test Pattern\n"); - intel_de_write(dev_priv, DDI_DP_COMP_CTL(pipe), 0x0); - intel_de_rmw(dev_priv, dp_tp_ctl_reg(encoder, crtc_state), - DP_TP_CTL_TRAIN_PAT4_SEL_MASK | DP_TP_CTL_LINK_TRAIN_MASK, - DP_TP_CTL_TRAIN_PAT4_SEL_TP4A | DP_TP_CTL_LINK_TRAIN_PAT4); - break; - default: - drm_warn(&dev_priv->drm, "Invalid Phy Test Pattern\n"); - } -} - -static void intel_dp_process_phy_request(struct intel_dp *intel_dp, - const struct intel_crtc_state *crtc_state) -{ - struct drm_i915_private *i915 = dp_to_i915(intel_dp); - struct drm_dp_phy_test_params *data = - &intel_dp->compliance.test_data.phytest; - u8 link_status[DP_LINK_STATUS_SIZE]; - - if (drm_dp_dpcd_read_phy_link_status(&intel_dp->aux, DP_PHY_DPRX, - link_status) < 0) { - drm_dbg_kms(&i915->drm, "failed to get link status\n"); - return; - } - - /* retrieve vswing & pre-emphasis setting */ - intel_dp_get_adjust_train(intel_dp, crtc_state, DP_PHY_DPRX, - link_status); - - intel_dp_set_signal_levels(intel_dp, crtc_state, DP_PHY_DPRX); - - intel_dp_phy_pattern_update(intel_dp, crtc_state); - - drm_dp_dpcd_write(&intel_dp->aux, DP_TRAINING_LANE0_SET, - intel_dp->train_set, crtc_state->lane_count); - - drm_dp_set_phy_test_pattern(&intel_dp->aux, data, - intel_dp->dpcd[DP_DPCD_REV]); -} - -static u8 intel_dp_autotest_phy_pattern(struct intel_dp *intel_dp) -{ - struct drm_i915_private *i915 = dp_to_i915(intel_dp); - struct drm_dp_phy_test_params *data = - &intel_dp->compliance.test_data.phytest; - - if (drm_dp_get_phy_test_pattern(&intel_dp->aux, data)) { - drm_dbg_kms(&i915->drm, "DP Phy Test pattern AUX read failure\n"); - return DP_TEST_NAK; - } - - /* Set test active flag here so userspace doesn't interrupt things */ - intel_dp->compliance.test_active = true; - - return DP_TEST_ACK; -} - -static void intel_dp_handle_test_request(struct intel_dp *intel_dp) -{ - struct drm_i915_private *i915 = dp_to_i915(intel_dp); - u8 response = DP_TEST_NAK; - u8 request = 0; - int status; - - status = drm_dp_dpcd_readb(&intel_dp->aux, DP_TEST_REQUEST, &request); - if (status <= 0) { - drm_dbg_kms(&i915->drm, - "Could not read test request from sink\n"); - goto update_status; - } - - switch (request) { - case DP_TEST_LINK_TRAINING: - drm_dbg_kms(&i915->drm, "LINK_TRAINING test requested\n"); - response = intel_dp_autotest_link_training(intel_dp); - break; - case DP_TEST_LINK_VIDEO_PATTERN: - drm_dbg_kms(&i915->drm, "TEST_PATTERN test requested\n"); - response = intel_dp_autotest_video_pattern(intel_dp); - break; - case DP_TEST_LINK_EDID_READ: - drm_dbg_kms(&i915->drm, "EDID test requested\n"); - response = intel_dp_autotest_edid(intel_dp); - break; - case DP_TEST_LINK_PHY_TEST_PATTERN: - drm_dbg_kms(&i915->drm, "PHY_PATTERN test requested\n"); - response = intel_dp_autotest_phy_pattern(intel_dp); - break; - default: - drm_dbg_kms(&i915->drm, "Invalid test request '%02x'\n", - request); - break; - } - - if (response & DP_TEST_ACK) - intel_dp->compliance.test_type = request; - -update_status: - status = drm_dp_dpcd_writeb(&intel_dp->aux, DP_TEST_RESPONSE, response); - if (status <= 0) - drm_dbg_kms(&i915->drm, - "Could not write test response to sink\n"); -} - static bool intel_dp_link_ok(struct intel_dp *intel_dp, u8 link_status[DP_LINK_STATUS_SIZE]) { @@ -5290,11 +5038,12 @@ intel_dp_needs_link_retrain(struct intel_dp *intel_dp) return true; /* Retrain if link not ok */ - return !intel_dp_link_ok(intel_dp, link_status); + return !intel_dp_link_ok(intel_dp, link_status) && + !intel_psr_link_ok(intel_dp); } -static bool intel_dp_has_connector(struct intel_dp *intel_dp, - const struct drm_connector_state *conn_state) +bool intel_dp_has_connector(struct intel_dp *intel_dp, + const struct drm_connector_state *conn_state) { struct drm_i915_private *i915 = dp_to_i915(intel_dp); struct intel_encoder *encoder; @@ -5318,6 +5067,21 @@ static bool intel_dp_has_connector(struct intel_dp *intel_dp, return false; } +static void wait_for_connector_hw_done(const struct drm_connector_state *conn_state) +{ + struct intel_connector *connector = to_intel_connector(conn_state->connector); + struct intel_display *display = to_intel_display(connector); + + drm_modeset_lock_assert_held(&display->drm->mode_config.connection_mutex); + + if (!conn_state->commit) + return; + + drm_WARN_ON(display->drm, + !wait_for_completion_timeout(&conn_state->commit->hw_done, + msecs_to_jiffies(5000))); +} + int intel_dp_get_active_pipes(struct intel_dp *intel_dp, struct drm_modeset_acquire_ctx *ctx, u8 *pipe_mask) @@ -5354,10 +5118,7 @@ int intel_dp_get_active_pipes(struct intel_dp *intel_dp, if (!crtc_state->hw.active) continue; - if (conn_state->commit) - drm_WARN_ON(&i915->drm, - !wait_for_completion_timeout(&conn_state->commit->hw_done, - msecs_to_jiffies(5000))); + wait_for_connector_hw_done(conn_state); *pipe_mask |= BIT(crtc->pipe); } @@ -5366,6 +5127,11 @@ int intel_dp_get_active_pipes(struct intel_dp *intel_dp, return ret; } +void intel_dp_flush_connector_commits(struct intel_connector *connector) +{ + wait_for_connector_hw_done(connector->base.state); +} + static bool intel_dp_is_connected(struct intel_dp *intel_dp) { struct intel_connector *connector = intel_dp->attached_connector; @@ -5445,118 +5211,6 @@ void intel_dp_check_link_state(struct intel_dp *intel_dp) intel_encoder_link_check_queue_work(encoder, 0); } -static int intel_dp_prep_phy_test(struct intel_dp *intel_dp, - struct drm_modeset_acquire_ctx *ctx, - u8 *pipe_mask) -{ - struct drm_i915_private *i915 = dp_to_i915(intel_dp); - struct drm_connector_list_iter conn_iter; - struct intel_connector *connector; - int ret = 0; - - *pipe_mask = 0; - - drm_connector_list_iter_begin(&i915->drm, &conn_iter); - for_each_intel_connector_iter(connector, &conn_iter) { - struct drm_connector_state *conn_state = - connector->base.state; - struct intel_crtc_state *crtc_state; - struct intel_crtc *crtc; - - if (!intel_dp_has_connector(intel_dp, conn_state)) - continue; - - crtc = to_intel_crtc(conn_state->crtc); - if (!crtc) - continue; - - ret = drm_modeset_lock(&crtc->base.mutex, ctx); - if (ret) - break; - - crtc_state = to_intel_crtc_state(crtc->base.state); - - drm_WARN_ON(&i915->drm, !intel_crtc_has_dp_encoder(crtc_state)); - - if (!crtc_state->hw.active) - continue; - - if (conn_state->commit && - !try_wait_for_completion(&conn_state->commit->hw_done)) - continue; - - *pipe_mask |= BIT(crtc->pipe); - } - drm_connector_list_iter_end(&conn_iter); - - return ret; -} - -static int intel_dp_do_phy_test(struct intel_encoder *encoder, - struct drm_modeset_acquire_ctx *ctx) -{ - 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; - u8 pipe_mask; - int ret; - - ret = drm_modeset_lock(&dev_priv->drm.mode_config.connection_mutex, - ctx); - if (ret) - return ret; - - ret = intel_dp_prep_phy_test(intel_dp, ctx, &pipe_mask); - if (ret) - return ret; - - if (pipe_mask == 0) - return 0; - - drm_dbg_kms(&dev_priv->drm, "[ENCODER:%d:%s] PHY test\n", - encoder->base.base.id, encoder->base.name); - - for_each_intel_crtc_in_pipe_mask(&dev_priv->drm, crtc, pipe_mask) { - const struct intel_crtc_state *crtc_state = - to_intel_crtc_state(crtc->base.state); - - /* test on the MST master transcoder */ - if (DISPLAY_VER(dev_priv) >= 12 && - intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST) && - !intel_dp_mst_is_master_trans(crtc_state)) - continue; - - intel_dp_process_phy_request(intel_dp, crtc_state); - break; - } - - return 0; -} - -void intel_dp_phy_test(struct intel_encoder *encoder) -{ - struct drm_modeset_acquire_ctx ctx; - int ret; - - drm_modeset_acquire_init(&ctx, 0); - - for (;;) { - ret = intel_dp_do_phy_test(encoder, &ctx); - - if (ret == -EDEADLK) { - drm_modeset_backoff(&ctx); - continue; - } - - break; - } - - drm_modeset_drop_locks(&ctx); - drm_modeset_acquire_fini(&ctx); - drm_WARN(encoder->base.dev, ret, - "Acquiring modeset locks failed with %i\n", ret); -} - static void intel_dp_check_device_service_irq(struct intel_dp *intel_dp) { struct drm_i915_private *i915 = dp_to_i915(intel_dp); @@ -5572,7 +5226,7 @@ static void intel_dp_check_device_service_irq(struct intel_dp *intel_dp) drm_dp_dpcd_writeb(&intel_dp->aux, DP_DEVICE_SERVICE_IRQ_VECTOR, val); if (val & DP_AUTOMATED_TEST_REQUEST) - intel_dp_handle_test_request(intel_dp); + intel_dp_test_request(intel_dp); if (val & DP_CP_IRQ) intel_hdcp_handle_cp_irq(intel_dp->attached_connector); @@ -5625,16 +5279,11 @@ static bool intel_dp_check_link_service_irq(struct intel_dp *intel_dp) static bool intel_dp_short_pulse(struct intel_dp *intel_dp) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); u8 old_sink_count = intel_dp->sink_count; bool reprobe_needed = false; bool ret; - /* - * Clearing compliance test variables to allow capturing - * of values for next automated test request. - */ - memset(&intel_dp->compliance, 0, sizeof(intel_dp->compliance)); + intel_dp_test_reset(intel_dp); /* * Now read the DPCD to see if it's actually running @@ -5659,24 +5308,8 @@ intel_dp_short_pulse(struct intel_dp *intel_dp) intel_psr_short_pulse(intel_dp); - switch (intel_dp->compliance.test_type) { - case DP_TEST_LINK_TRAINING: - drm_dbg_kms(&dev_priv->drm, - "Link Training Compliance Test requested\n"); - /* Send a Hotplug Uevent to userspace to start modeset */ - drm_kms_helper_hotplug_event(&dev_priv->drm); - break; - case DP_TEST_LINK_PHY_TEST_PATTERN: - drm_dbg_kms(&dev_priv->drm, - "PHY test pattern Compliance Test requested\n"); - /* - * Schedule long hpd to do the test - * - * FIXME get rid of the ad-hoc phy test modeset code - * and properly incorporate it into the normal modeset. - */ + if (intel_dp_test_short_pulse(intel_dp)) reprobe_needed = true; - } return !reprobe_needed; } @@ -5962,23 +5595,6 @@ intel_dp_unset_edid(struct intel_dp *intel_dp) } static void -intel_dp_detect_dsc_caps(struct intel_dp *intel_dp, struct intel_connector *connector) -{ - struct drm_i915_private *i915 = dp_to_i915(intel_dp); - - /* Read DP Sink DSC Cap DPCD regs for DP v1.4 */ - if (!HAS_DSC(i915)) - return; - - if (intel_dp_is_edp(intel_dp)) - intel_edp_get_dsc_sink_cap(intel_dp->edp_dpcd[0], - connector); - else - intel_dp_get_dsc_sink_cap(intel_dp->dpcd[DP_DPCD_REV], - connector); -} - -static void intel_dp_detect_sdp_caps(struct intel_dp *intel_dp) { struct drm_i915_private *i915 = dp_to_i915(intel_dp); @@ -6012,6 +5628,10 @@ intel_dp_detect(struct drm_connector *connector, if (!intel_display_driver_check_access(dev_priv)) return connector->status; + intel_dp_flush_connector_commits(intel_connector); + + intel_pps_vdd_on(intel_dp); + /* Can't disconnect eDP */ if (intel_dp_is_edp(intel_dp)) status = edp_detect(intel_dp); @@ -6033,7 +5653,7 @@ intel_dp_detect(struct drm_connector *connector, status = connector_status_disconnected; if (status == connector_status_disconnected) { - memset(&intel_dp->compliance, 0, sizeof(intel_dp->compliance)); + intel_dp_test_reset(intel_dp); memset(intel_connector->dp.dsc_dpcd, 0, sizeof(intel_connector->dp.dsc_dpcd)); intel_dp->psr.sink_panel_replay_support = false; intel_dp->psr.sink_panel_replay_su_support = false; @@ -6042,12 +5662,17 @@ intel_dp_detect(struct drm_connector *connector, intel_dp_tunnel_disconnect(intel_dp); - goto out; + goto out_unset_edid; } + intel_dp_init_source_oui(intel_dp); + ret = intel_dp_tunnel_detect(intel_dp, ctx); - if (ret == -EDEADLK) - return ret; + if (ret == -EDEADLK) { + status = ret; + + goto out_vdd_off; + } if (ret == 1) intel_connector->base.epoch_counter++; @@ -6075,7 +5700,7 @@ intel_dp_detect(struct drm_connector *connector, * with EDID on it */ status = connector_status_disconnected; - goto out; + goto out_unset_edid; } /* @@ -6104,7 +5729,7 @@ intel_dp_detect(struct drm_connector *connector, intel_dp_check_device_service_irq(intel_dp); -out: +out_unset_edid: if (status != connector_status_connected && !intel_dp->is_mst) intel_dp_unset_edid(intel_dp); @@ -6113,6 +5738,9 @@ out: status, intel_dp->dpcd, intel_dp->downstream_ports); +out_vdd_off: + intel_pps_vdd_off(intel_dp); + return status; } @@ -6471,7 +6099,9 @@ intel_dp_hpd_pulse(struct intel_digital_port *dig_port, bool long_hpd) u8 dpcd[DP_RECEIVER_CAP_SIZE]; if (dig_port->base.type == INTEL_OUTPUT_EDP && - (long_hpd || !intel_pps_have_panel_power_or_vdd(intel_dp))) { + (long_hpd || + intel_runtime_pm_suspended(&i915->runtime_pm) || + !intel_pps_have_panel_power_or_vdd(intel_dp))) { /* * vdd off can generate a long/short pulse on eDP which * would require vdd on to handle it, and thus we @@ -6504,6 +6134,8 @@ intel_dp_hpd_pulse(struct intel_digital_port *dig_port, bool long_hpd) if (long_hpd) { intel_dp->reset_link_params = true; + intel_dp_invalidate_source_oui(intel_dp); + return IRQ_NONE; } @@ -6620,20 +6252,8 @@ static void intel_edp_backlight_setup(struct intel_dp *intel_dp, struct drm_i915_private *i915 = dp_to_i915(intel_dp); enum pipe pipe = INVALID_PIPE; - if (IS_VALLEYVIEW(i915) || IS_CHERRYVIEW(i915)) { - /* - * Figure out the current pipe for the initial backlight setup. - * If the current pipe isn't valid, try the PPS pipe, and if that - * fails just assume pipe A. - */ - pipe = vlv_active_pipe(intel_dp); - - if (pipe != PIPE_A && pipe != PIPE_B) - pipe = intel_dp->pps.pps_pipe; - - if (pipe != PIPE_A && pipe != PIPE_B) - pipe = PIPE_A; - } + if (IS_VALLEYVIEW(i915) || IS_CHERRYVIEW(i915)) + pipe = vlv_pps_backlight_initial_pipe(intel_dp); intel_backlight_setup(connector, pipe); } @@ -6801,6 +6421,7 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp, out_vdd_off: intel_pps_vdd_off_sync(intel_dp); + intel_bios_fini_panel(&intel_connector->panel); return false; } @@ -6840,6 +6461,7 @@ bool intel_dp_init_connector(struct intel_digital_port *dig_port, struct intel_connector *intel_connector) { + struct intel_display *display = to_intel_display(dig_port); struct drm_connector *connector = &intel_connector->base; struct intel_dp *intel_dp = &dig_port->dp; struct intel_encoder *intel_encoder = &dig_port->base; @@ -6858,8 +6480,6 @@ intel_dp_init_connector(struct intel_digital_port *dig_port, return false; intel_dp->reset_link_params = true; - 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); @@ -6867,10 +6487,11 @@ intel_dp_init_connector(struct intel_digital_port *dig_port, if (_intel_dp_is_port_edp(dev_priv, intel_encoder->devdata, port)) { /* - * Currently we don't support eDP on TypeC ports, although in - * theory it could work on TypeC legacy ports. + * Currently we don't support eDP on TypeC ports for DISPLAY_VER < 30, + * although in theory it could work on TypeC legacy ports. */ - drm_WARN_ON(dev, intel_encoder_is_tc(intel_encoder)); + drm_WARN_ON(dev, intel_encoder_is_tc(intel_encoder) && + DISPLAY_VER(dev_priv) < 30); type = DRM_MODE_CONNECTOR_eDP; intel_encoder->type = INTEL_OUTPUT_EDP; @@ -6887,7 +6508,7 @@ intel_dp_init_connector(struct intel_digital_port *dig_port, intel_dp_set_default_max_sink_lane_count(intel_dp); if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) - intel_dp->pps.active_pipe = vlv_active_pipe(intel_dp); + vlv_pps_pipe_init(intel_dp); intel_dp_aux_init(intel_dp); intel_connector->dp.dsc_decompression_aux = &intel_dp->aux; @@ -6904,7 +6525,8 @@ intel_dp_init_connector(struct intel_digital_port *dig_port, if (!HAS_GMCH(dev_priv) && DISPLAY_VER(dev_priv) < 12) connector->interlace_allowed = true; - intel_connector->polled = DRM_CONNECTOR_POLL_HPD; + if (type != DRM_MODE_CONNECTOR_eDP) + intel_connector->polled = DRM_CONNECTOR_POLL_HPD; intel_connector->base.polled = intel_connector->polled; intel_connector_attach_encoder(intel_connector, intel_encoder); @@ -6930,7 +6552,7 @@ intel_dp_init_connector(struct intel_digital_port *dig_port, intel_dp_add_properties(intel_dp, connector); - if (is_hdcp_supported(dev_priv, port) && !intel_dp_is_edp(intel_dp)) { + if (is_hdcp_supported(display, port) && !intel_dp_is_edp(intel_dp)) { int ret = intel_dp_hdcp_init(dig_port, intel_connector); if (ret) drm_dbg_kms(&dev_priv->drm, |