diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dp.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dp.c | 256 |
1 files changed, 165 insertions, 91 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 77e40cfcf216..6b1c9a27c27a 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -48,8 +48,6 @@ struct intel_dp_priv { uint32_t output_reg; uint32_t DP; uint8_t link_configuration[DP_LINK_CONFIGURATION_SIZE]; - uint32_t save_DP; - uint8_t save_link_configuration[DP_LINK_CONFIGURATION_SIZE]; bool has_audio; int dpms_mode; uint8_t link_bw; @@ -141,7 +139,8 @@ static int intel_dp_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { - struct intel_encoder *intel_encoder = to_intel_encoder(connector); + struct drm_encoder *encoder = intel_attached_encoder(connector); + struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder); int max_link_clock = intel_dp_link_clock(intel_dp_max_link_bw(intel_encoder)); int max_lanes = intel_dp_max_lane_count(intel_encoder); @@ -215,7 +214,7 @@ intel_dp_aux_ch(struct intel_encoder *intel_encoder, { struct intel_dp_priv *dp_priv = intel_encoder->dev_priv; uint32_t output_reg = dp_priv->output_reg; - struct drm_device *dev = intel_encoder->base.dev; + struct drm_device *dev = intel_encoder->enc.dev; struct drm_i915_private *dev_priv = dev->dev_private; uint32_t ch_ctl = output_reg + 0x10; uint32_t ch_data = ch_ctl + 4; @@ -224,19 +223,27 @@ intel_dp_aux_ch(struct intel_encoder *intel_encoder, uint32_t ctl; uint32_t status; uint32_t aux_clock_divider; - int try; + int try, precharge; /* The clock divider is based off the hrawclk, * and would like to run at 2MHz. So, take the * hrawclk value and divide by 2 and use that */ - if (IS_eDP(intel_encoder)) - aux_clock_divider = 225; /* eDP input clock at 450Mhz */ - else if (HAS_PCH_SPLIT(dev)) + if (IS_eDP(intel_encoder)) { + if (IS_GEN6(dev)) + aux_clock_divider = 200; /* SNB eDP input clock at 400Mhz */ + else + aux_clock_divider = 225; /* eDP input clock at 450Mhz */ + } else if (HAS_PCH_SPLIT(dev)) aux_clock_divider = 62; /* IRL input clock fixed at 125Mhz */ else aux_clock_divider = intel_hrawclk(dev) / 2; + if (IS_GEN6(dev)) + precharge = 3; + else + precharge = 5; + /* 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 */ @@ -249,7 +256,7 @@ intel_dp_aux_ch(struct intel_encoder *intel_encoder, ctl = (DP_AUX_CH_CTL_SEND_BUSY | DP_AUX_CH_CTL_TIME_OUT_400us | (send_bytes << DP_AUX_CH_CTL_MESSAGE_SIZE_SHIFT) | - (5 << DP_AUX_CH_CTL_PRECHARGE_2US_SHIFT) | + (precharge << DP_AUX_CH_CTL_PRECHARGE_2US_SHIFT) | (aux_clock_divider << DP_AUX_CH_CTL_BIT_CLOCK_2X_SHIFT) | DP_AUX_CH_CTL_DONE | DP_AUX_CH_CTL_TIME_OUT_ERROR | @@ -465,7 +472,8 @@ intel_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode, } static int -intel_dp_i2c_init(struct intel_encoder *intel_encoder, const char *name) +intel_dp_i2c_init(struct intel_encoder *intel_encoder, + struct intel_connector *intel_connector, const char *name) { struct intel_dp_priv *dp_priv = intel_encoder->dev_priv; @@ -480,7 +488,7 @@ intel_dp_i2c_init(struct intel_encoder *intel_encoder, const char *name) strncpy (dp_priv->adapter.name, name, sizeof(dp_priv->adapter.name) - 1); dp_priv->adapter.name[sizeof(dp_priv->adapter.name) - 1] = '\0'; dp_priv->adapter.algo_data = &dp_priv->algo; - dp_priv->adapter.dev.parent = &intel_encoder->base.kdev; + dp_priv->adapter.dev.parent = &intel_connector->base.kdev; return i2c_dp_aux_add_bus(&dp_priv->adapter); } @@ -555,7 +563,7 @@ intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode, { struct drm_device *dev = crtc->dev; struct drm_mode_config *mode_config = &dev->mode_config; - struct drm_connector *connector; + struct drm_encoder *encoder; struct drm_i915_private *dev_priv = dev->dev_private; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); int lane_count = 4; @@ -564,13 +572,16 @@ intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode, /* * Find the lane count in the intel_encoder private */ - list_for_each_entry(connector, &mode_config->connector_list, head) { - struct intel_encoder *intel_encoder = to_intel_encoder(connector); - struct intel_dp_priv *dp_priv = intel_encoder->dev_priv; + list_for_each_entry(encoder, &mode_config->encoder_list, head) { + struct intel_encoder *intel_encoder; + struct intel_dp_priv *dp_priv; - if (!connector->encoder || connector->encoder->crtc != crtc) + if (!encoder || encoder->crtc != crtc) continue; + intel_encoder = enc_to_intel_encoder(encoder); + dp_priv = intel_encoder->dev_priv; + if (intel_encoder->type == INTEL_OUTPUT_DISPLAYPORT) { lane_count = dp_priv->lane_count; break; @@ -626,16 +637,24 @@ static void intel_dp_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode) { + struct drm_device *dev = encoder->dev; struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder); struct intel_dp_priv *dp_priv = intel_encoder->dev_priv; struct drm_crtc *crtc = intel_encoder->enc.crtc; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); - dp_priv->DP = (DP_LINK_TRAIN_OFF | - DP_VOLTAGE_0_4 | - DP_PRE_EMPHASIS_0 | - DP_SYNC_VS_HIGH | - DP_SYNC_HS_HIGH); + dp_priv->DP = (DP_VOLTAGE_0_4 | + DP_PRE_EMPHASIS_0); + + if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC) + dp_priv->DP |= DP_SYNC_HS_HIGH; + if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC) + dp_priv->DP |= DP_SYNC_VS_HIGH; + + if (HAS_PCH_CPT(dev) && !IS_eDP(intel_encoder)) + dp_priv->DP |= DP_LINK_TRAIN_OFF_CPT; + else + dp_priv->DP |= DP_LINK_TRAIN_OFF; switch (dp_priv->lane_count) { case 1: @@ -664,7 +683,8 @@ intel_dp_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode, dp_priv->DP |= DP_ENHANCED_FRAMING; } - if (intel_crtc->pipe == 1) + /* CPT DP's pipe select is decided in TRANS_DP_CTL */ + if (intel_crtc->pipe == 1 && !HAS_PCH_CPT(dev)) dp_priv->DP |= DP_PIPEB_SELECT; if (IS_eDP(intel_encoder)) { @@ -704,7 +724,7 @@ intel_dp_dpms(struct drm_encoder *encoder, int mode) { struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder); struct intel_dp_priv *dp_priv = intel_encoder->dev_priv; - struct drm_device *dev = intel_encoder->base.dev; + struct drm_device *dev = encoder->dev; struct drm_i915_private *dev_priv = dev->dev_private; uint32_t dp_reg = I915_READ(dp_priv->output_reg); @@ -749,20 +769,6 @@ intel_dp_link_status(uint8_t link_status[DP_LINK_STATUS_SIZE], return link_status[r - DP_LANE0_1_STATUS]; } -static void -intel_dp_save(struct drm_connector *connector) -{ - struct intel_encoder *intel_encoder = to_intel_encoder(connector); - struct drm_device *dev = intel_encoder->base.dev; - struct drm_i915_private *dev_priv = dev->dev_private; - struct intel_dp_priv *dp_priv = intel_encoder->dev_priv; - - dp_priv->save_DP = I915_READ(dp_priv->output_reg); - intel_dp_aux_native_read(intel_encoder, DP_LINK_BW_SET, - dp_priv->save_link_configuration, - sizeof (dp_priv->save_link_configuration)); -} - static uint8_t intel_get_adjust_request_voltage(uint8_t link_status[DP_LINK_STATUS_SIZE], int lane) @@ -892,6 +898,25 @@ intel_dp_signal_levels(uint8_t train_set, int lane_count) return signal_levels; } +/* Gen6's DP voltage swing and pre-emphasis control */ +static uint32_t +intel_gen6_edp_signal_levels(uint8_t train_set) +{ + switch (train_set & (DP_TRAIN_VOLTAGE_SWING_MASK|DP_TRAIN_PRE_EMPHASIS_MASK)) { + case DP_TRAIN_VOLTAGE_SWING_400 | DP_TRAIN_PRE_EMPHASIS_0: + return EDP_LINK_TRAIN_400MV_0DB_SNB_B; + case DP_TRAIN_VOLTAGE_SWING_400 | DP_TRAIN_PRE_EMPHASIS_6: + return EDP_LINK_TRAIN_400MV_6DB_SNB_B; + case DP_TRAIN_VOLTAGE_SWING_600 | DP_TRAIN_PRE_EMPHASIS_3_5: + return EDP_LINK_TRAIN_600MV_3_5DB_SNB_B; + case DP_TRAIN_VOLTAGE_SWING_800 | DP_TRAIN_PRE_EMPHASIS_0: + return EDP_LINK_TRAIN_800MV_0DB_SNB_B; + default: + DRM_DEBUG_KMS("Unsupported voltage swing/pre-emphasis level\n"); + return EDP_LINK_TRAIN_400MV_0DB_SNB_B; + } +} + static uint8_t intel_get_lane_status(uint8_t link_status[DP_LINK_STATUS_SIZE], int lane) @@ -948,7 +973,7 @@ intel_dp_set_link_train(struct intel_encoder *intel_encoder, uint8_t train_set[4], bool first) { - struct drm_device *dev = intel_encoder->base.dev; + struct drm_device *dev = intel_encoder->enc.dev; struct drm_i915_private *dev_priv = dev->dev_private; struct intel_dp_priv *dp_priv = intel_encoder->dev_priv; int ret; @@ -974,7 +999,7 @@ static void intel_dp_link_train(struct intel_encoder *intel_encoder, uint32_t DP, uint8_t link_configuration[DP_LINK_CONFIGURATION_SIZE]) { - struct drm_device *dev = intel_encoder->base.dev; + struct drm_device *dev = intel_encoder->enc.dev; struct drm_i915_private *dev_priv = dev->dev_private; struct intel_dp_priv *dp_priv = intel_encoder->dev_priv; uint8_t train_set[4]; @@ -985,23 +1010,38 @@ intel_dp_link_train(struct intel_encoder *intel_encoder, uint32_t DP, bool channel_eq = false; bool first = true; int tries; + u32 reg; /* Write the link configuration data */ - intel_dp_aux_native_write(intel_encoder, 0x100, + intel_dp_aux_native_write(intel_encoder, DP_LINK_BW_SET, link_configuration, DP_LINK_CONFIGURATION_SIZE); DP |= DP_PORT_EN; - DP &= ~DP_LINK_TRAIN_MASK; + if (HAS_PCH_CPT(dev) && !IS_eDP(intel_encoder)) + DP &= ~DP_LINK_TRAIN_MASK_CPT; + else + DP &= ~DP_LINK_TRAIN_MASK; memset(train_set, 0, 4); voltage = 0xff; tries = 0; clock_recovery = false; for (;;) { /* Use train_set[0] to set the voltage and pre emphasis values */ - uint32_t signal_levels = intel_dp_signal_levels(train_set[0], dp_priv->lane_count); - DP = (DP & ~(DP_VOLTAGE_MASK|DP_PRE_EMPHASIS_MASK)) | signal_levels; + uint32_t signal_levels; + if (IS_GEN6(dev) && IS_eDP(intel_encoder)) { + signal_levels = intel_gen6_edp_signal_levels(train_set[0]); + DP = (DP & ~EDP_LINK_TRAIN_VOL_EMP_MASK_SNB) | signal_levels; + } else { + signal_levels = intel_dp_signal_levels(train_set[0], dp_priv->lane_count); + DP = (DP & ~(DP_VOLTAGE_MASK|DP_PRE_EMPHASIS_MASK)) | signal_levels; + } - if (!intel_dp_set_link_train(intel_encoder, DP | DP_LINK_TRAIN_PAT_1, + if (HAS_PCH_CPT(dev) && !IS_eDP(intel_encoder)) + reg = DP | DP_LINK_TRAIN_PAT_1_CPT; + else + reg = DP | DP_LINK_TRAIN_PAT_1; + + if (!intel_dp_set_link_train(intel_encoder, reg, DP_TRAINING_PATTERN_1, train_set, first)) break; first = false; @@ -1041,11 +1081,23 @@ intel_dp_link_train(struct intel_encoder *intel_encoder, uint32_t DP, channel_eq = false; for (;;) { /* Use train_set[0] to set the voltage and pre emphasis values */ - uint32_t signal_levels = intel_dp_signal_levels(train_set[0], dp_priv->lane_count); - DP = (DP & ~(DP_VOLTAGE_MASK|DP_PRE_EMPHASIS_MASK)) | signal_levels; + uint32_t signal_levels; + + if (IS_GEN6(dev) && IS_eDP(intel_encoder)) { + signal_levels = intel_gen6_edp_signal_levels(train_set[0]); + DP = (DP & ~EDP_LINK_TRAIN_VOL_EMP_MASK_SNB) | signal_levels; + } else { + signal_levels = intel_dp_signal_levels(train_set[0], dp_priv->lane_count); + DP = (DP & ~(DP_VOLTAGE_MASK|DP_PRE_EMPHASIS_MASK)) | signal_levels; + } + + if (HAS_PCH_CPT(dev) && !IS_eDP(intel_encoder)) + reg = DP | DP_LINK_TRAIN_PAT_2_CPT; + else + reg = DP | DP_LINK_TRAIN_PAT_2; /* channel eq pattern */ - if (!intel_dp_set_link_train(intel_encoder, DP | DP_LINK_TRAIN_PAT_2, + if (!intel_dp_set_link_train(intel_encoder, reg, DP_TRAINING_PATTERN_2, train_set, false)) break; @@ -1068,7 +1120,12 @@ intel_dp_link_train(struct intel_encoder *intel_encoder, uint32_t DP, ++tries; } - I915_WRITE(dp_priv->output_reg, DP | DP_LINK_TRAIN_OFF); + if (HAS_PCH_CPT(dev) && !IS_eDP(intel_encoder)) + reg = DP | DP_LINK_TRAIN_OFF_CPT; + else + reg = DP | DP_LINK_TRAIN_OFF; + + I915_WRITE(dp_priv->output_reg, reg); POSTING_READ(dp_priv->output_reg); intel_dp_aux_native_write_1(intel_encoder, DP_TRAINING_PATTERN_SET, DP_TRAINING_PATTERN_DISABLE); @@ -1077,7 +1134,7 @@ intel_dp_link_train(struct intel_encoder *intel_encoder, uint32_t DP, static void intel_dp_link_down(struct intel_encoder *intel_encoder, uint32_t DP) { - struct drm_device *dev = intel_encoder->base.dev; + struct drm_device *dev = intel_encoder->enc.dev; struct drm_i915_private *dev_priv = dev->dev_private; struct intel_dp_priv *dp_priv = intel_encoder->dev_priv; @@ -1090,9 +1147,15 @@ intel_dp_link_down(struct intel_encoder *intel_encoder, uint32_t DP) udelay(100); } - DP &= ~DP_LINK_TRAIN_MASK; - I915_WRITE(dp_priv->output_reg, DP | DP_LINK_TRAIN_PAT_IDLE); - POSTING_READ(dp_priv->output_reg); + if (HAS_PCH_CPT(dev) && !IS_eDP(intel_encoder)) { + DP &= ~DP_LINK_TRAIN_MASK_CPT; + I915_WRITE(dp_priv->output_reg, DP | DP_LINK_TRAIN_PAT_IDLE_CPT); + POSTING_READ(dp_priv->output_reg); + } else { + DP &= ~DP_LINK_TRAIN_MASK; + I915_WRITE(dp_priv->output_reg, DP | DP_LINK_TRAIN_PAT_IDLE); + POSTING_READ(dp_priv->output_reg); + } udelay(17000); @@ -1102,18 +1165,6 @@ intel_dp_link_down(struct intel_encoder *intel_encoder, uint32_t DP) POSTING_READ(dp_priv->output_reg); } -static void -intel_dp_restore(struct drm_connector *connector) -{ - struct intel_encoder *intel_encoder = to_intel_encoder(connector); - struct intel_dp_priv *dp_priv = intel_encoder->dev_priv; - - if (dp_priv->save_DP & DP_PORT_EN) - intel_dp_link_train(intel_encoder, dp_priv->save_DP, dp_priv->save_link_configuration); - else - intel_dp_link_down(intel_encoder, dp_priv->save_DP); -} - /* * According to DP spec * 5.1.2: @@ -1144,7 +1195,8 @@ intel_dp_check_link_status(struct intel_encoder *intel_encoder) static enum drm_connector_status ironlake_dp_detect(struct drm_connector *connector) { - struct intel_encoder *intel_encoder = to_intel_encoder(connector); + struct drm_encoder *encoder = intel_attached_encoder(connector); + struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder); struct intel_dp_priv *dp_priv = intel_encoder->dev_priv; enum drm_connector_status status; @@ -1168,8 +1220,9 @@ ironlake_dp_detect(struct drm_connector *connector) static enum drm_connector_status intel_dp_detect(struct drm_connector *connector) { - struct intel_encoder *intel_encoder = to_intel_encoder(connector); - struct drm_device *dev = intel_encoder->base.dev; + struct drm_encoder *encoder = intel_attached_encoder(connector); + struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder); + struct drm_device *dev = intel_encoder->enc.dev; struct drm_i915_private *dev_priv = dev->dev_private; struct intel_dp_priv *dp_priv = intel_encoder->dev_priv; uint32_t temp, bit; @@ -1180,16 +1233,6 @@ intel_dp_detect(struct drm_connector *connector) if (HAS_PCH_SPLIT(dev)) return ironlake_dp_detect(connector); - temp = I915_READ(PORT_HOTPLUG_EN); - - I915_WRITE(PORT_HOTPLUG_EN, - temp | - DPB_HOTPLUG_INT_EN | - DPC_HOTPLUG_INT_EN | - DPD_HOTPLUG_INT_EN); - - POSTING_READ(PORT_HOTPLUG_EN); - switch (dp_priv->output_reg) { case DP_B: bit = DPB_HOTPLUG_INT_STATUS; @@ -1222,15 +1265,16 @@ intel_dp_detect(struct drm_connector *connector) static int intel_dp_get_modes(struct drm_connector *connector) { - struct intel_encoder *intel_encoder = to_intel_encoder(connector); - struct drm_device *dev = intel_encoder->base.dev; + struct drm_encoder *encoder = intel_attached_encoder(connector); + struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder); + struct drm_device *dev = intel_encoder->enc.dev; struct drm_i915_private *dev_priv = dev->dev_private; int ret; /* We should parse the EDID data and find out if it has an audio sink */ - ret = intel_ddc_get_modes(intel_encoder); + ret = intel_ddc_get_modes(connector, intel_encoder->ddc_bus); if (ret) return ret; @@ -1249,13 +1293,9 @@ static int intel_dp_get_modes(struct drm_connector *connector) static void intel_dp_destroy (struct drm_connector *connector) { - struct intel_encoder *intel_encoder = to_intel_encoder(connector); - - if (intel_encoder->i2c_bus) - intel_i2c_destroy(intel_encoder->i2c_bus); drm_sysfs_connector_remove(connector); drm_connector_cleanup(connector); - kfree(intel_encoder); + kfree(connector); } static const struct drm_encoder_helper_funcs intel_dp_helper_funcs = { @@ -1268,8 +1308,6 @@ static const struct drm_encoder_helper_funcs intel_dp_helper_funcs = { static const struct drm_connector_funcs intel_dp_connector_funcs = { .dpms = drm_helper_connector_dpms, - .save = intel_dp_save, - .restore = intel_dp_restore, .detect = intel_dp_detect, .fill_modes = drm_helper_probe_single_connector_modes, .destroy = intel_dp_destroy, @@ -1278,12 +1316,17 @@ static const struct drm_connector_funcs intel_dp_connector_funcs = { static const struct drm_connector_helper_funcs intel_dp_connector_helper_funcs = { .get_modes = intel_dp_get_modes, .mode_valid = intel_dp_mode_valid, - .best_encoder = intel_best_encoder, + .best_encoder = intel_attached_encoder, }; static void intel_dp_enc_destroy(struct drm_encoder *encoder) { + struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder); + + if (intel_encoder->i2c_bus) + intel_i2c_destroy(intel_encoder->i2c_bus); drm_encoder_cleanup(encoder); + kfree(intel_encoder); } static const struct drm_encoder_funcs intel_dp_enc_funcs = { @@ -1299,12 +1342,35 @@ intel_dp_hot_plug(struct intel_encoder *intel_encoder) intel_dp_check_link_status(intel_encoder); } +/* Return which DP Port should be selected for Transcoder DP control */ +int +intel_trans_dp_port_sel (struct drm_crtc *crtc) +{ + struct drm_device *dev = crtc->dev; + struct drm_mode_config *mode_config = &dev->mode_config; + struct drm_encoder *encoder; + struct intel_encoder *intel_encoder = NULL; + + list_for_each_entry(encoder, &mode_config->encoder_list, head) { + if (!encoder || encoder->crtc != crtc) + continue; + + intel_encoder = enc_to_intel_encoder(encoder); + if (intel_encoder->type == INTEL_OUTPUT_DISPLAYPORT) { + struct intel_dp_priv *dp_priv = intel_encoder->dev_priv; + return dp_priv->output_reg; + } + } + return -1; +} + void intel_dp_init(struct drm_device *dev, int output_reg) { struct drm_i915_private *dev_priv = dev->dev_private; struct drm_connector *connector; struct intel_encoder *intel_encoder; + struct intel_connector *intel_connector; struct intel_dp_priv *dp_priv; const char *name = NULL; @@ -1313,13 +1379,21 @@ intel_dp_init(struct drm_device *dev, int output_reg) if (!intel_encoder) return; + intel_connector = kzalloc(sizeof(struct intel_connector), GFP_KERNEL); + if (!intel_connector) { + kfree(intel_encoder); + return; + } + dp_priv = (struct intel_dp_priv *)(intel_encoder + 1); - connector = &intel_encoder->base; + connector = &intel_connector->base; drm_connector_init(dev, connector, &intel_dp_connector_funcs, DRM_MODE_CONNECTOR_DisplayPort); drm_connector_helper_add(connector, &intel_dp_connector_helper_funcs); + connector->polled = DRM_CONNECTOR_POLL_HPD; + if (output_reg == DP_A) intel_encoder->type = INTEL_OUTPUT_EDP; else @@ -1349,7 +1423,7 @@ intel_dp_init(struct drm_device *dev, int output_reg) DRM_MODE_ENCODER_TMDS); drm_encoder_helper_add(&intel_encoder->enc, &intel_dp_helper_funcs); - drm_mode_connector_attach_encoder(&intel_encoder->base, + drm_mode_connector_attach_encoder(&intel_connector->base, &intel_encoder->enc); drm_sysfs_connector_add(connector); @@ -1378,7 +1452,7 @@ intel_dp_init(struct drm_device *dev, int output_reg) break; } - intel_dp_i2c_init(intel_encoder, name); + intel_dp_i2c_init(intel_encoder, intel_connector, name); intel_encoder->ddc_bus = &dp_priv->adapter; intel_encoder->hot_plug = intel_dp_hot_plug; |