diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dp.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dp.c | 94 |
1 files changed, 50 insertions, 44 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index d0c3f9b..63b6722d 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -833,15 +833,14 @@ static void ironlake_set_pll_cpu_edp(struct intel_dp *intel_dp) udelay(500); } -static void -intel_dp_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) +static void intel_dp_mode_set(struct intel_encoder *encoder) { - struct drm_device *dev = encoder->dev; + struct drm_device *dev = encoder->base.dev; struct drm_i915_private *dev_priv = dev->dev_private; - struct intel_dp *intel_dp = enc_to_intel_dp(encoder); + struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base); enum port port = dp_to_dig_port(intel_dp)->port; - struct intel_crtc *crtc = to_intel_crtc(encoder->crtc); + struct intel_crtc *crtc = to_intel_crtc(encoder->base.crtc); + struct drm_display_mode *adjusted_mode = &crtc->config.adjusted_mode; /* * There are four kinds of DP registers: @@ -873,7 +872,7 @@ intel_dp_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode, DRM_DEBUG_DRIVER("Enabling DP audio on pipe %c\n", pipe_name(crtc->pipe)); intel_dp->DP |= DP_AUDIO_OUTPUT_ENABLE; - intel_write_eld(encoder, adjusted_mode); + intel_write_eld(&encoder->base, adjusted_mode); } intel_dp_init_link_config(intel_dp); @@ -1701,47 +1700,50 @@ static void intel_enable_dp(struct intel_encoder *encoder) intel_dp_complete_link_train(intel_dp); intel_dp_stop_link_train(intel_dp); ironlake_edp_backlight_on(intel_dp); +} - if (IS_VALLEYVIEW(dev)) { - struct intel_digital_port *dport = - enc_to_dig_port(&encoder->base); - int channel = vlv_dport_to_channel(dport); - - vlv_wait_port_ready(dev_priv, channel); - } +static void vlv_enable_dp(struct intel_encoder *encoder) +{ } static void intel_pre_enable_dp(struct intel_encoder *encoder) { struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base); struct intel_digital_port *dport = dp_to_dig_port(intel_dp); + + if (dport->port == PORT_A) + ironlake_edp_pll_on(intel_dp); +} + +static void vlv_pre_enable_dp(struct intel_encoder *encoder) +{ + struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base); + struct intel_digital_port *dport = dp_to_dig_port(intel_dp); struct drm_device *dev = encoder->base.dev; struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc); + int port = vlv_dport_to_channel(dport); + int pipe = intel_crtc->pipe; + u32 val; - if (dport->port == PORT_A && !IS_VALLEYVIEW(dev)) - ironlake_edp_pll_on(intel_dp); + mutex_lock(&dev_priv->dpio_lock); - if (IS_VALLEYVIEW(dev)) { - struct intel_crtc *intel_crtc = - to_intel_crtc(encoder->base.crtc); - int port = vlv_dport_to_channel(dport); - int pipe = intel_crtc->pipe; - u32 val; - - val = vlv_dpio_read(dev_priv, DPIO_DATA_LANE_A(port)); - val = 0; - if (pipe) - val |= (1<<21); - else - val &= ~(1<<21); - val |= 0x001000c4; - vlv_dpio_write(dev_priv, DPIO_DATA_CHANNEL(port), val); + val = vlv_dpio_read(dev_priv, DPIO_DATA_LANE_A(port)); + val = 0; + if (pipe) + val |= (1<<21); + else + val &= ~(1<<21); + val |= 0x001000c4; + vlv_dpio_write(dev_priv, DPIO_DATA_CHANNEL(port), val); + vlv_dpio_write(dev_priv, DPIO_PCS_CLOCKBUF0(port), 0x00760018); + vlv_dpio_write(dev_priv, DPIO_PCS_CLOCKBUF8(port), 0x00400888); - vlv_dpio_write(dev_priv, DPIO_PCS_CLOCKBUF0(port), - 0x00760018); - vlv_dpio_write(dev_priv, DPIO_PCS_CLOCKBUF8(port), - 0x00400888); - } + mutex_unlock(&dev_priv->dpio_lock); + + intel_enable_dp(encoder); + + vlv_wait_port_ready(dev_priv, port); } static void intel_dp_pre_pll_enable(struct intel_encoder *encoder) @@ -1755,6 +1757,7 @@ static void intel_dp_pre_pll_enable(struct intel_encoder *encoder) return; /* Program Tx lane resets to default */ + mutex_lock(&dev_priv->dpio_lock); vlv_dpio_write(dev_priv, DPIO_PCS_TX(port), DPIO_PCS_TX_LANE2_RESET | DPIO_PCS_TX_LANE1_RESET); @@ -1768,6 +1771,7 @@ static void intel_dp_pre_pll_enable(struct intel_encoder *encoder) vlv_dpio_write(dev_priv, DPIO_PCS_STAGGER1(port), 0x00750f00); vlv_dpio_write(dev_priv, DPIO_TX_CTL(port), 0x00001500); vlv_dpio_write(dev_priv, DPIO_TX_LANE(port), 0x40400000); + mutex_unlock(&dev_priv->dpio_lock); } /* @@ -1979,6 +1983,7 @@ static uint32_t intel_vlv_signal_levels(struct intel_dp *intel_dp) return 0; } + mutex_lock(&dev_priv->dpio_lock); vlv_dpio_write(dev_priv, DPIO_TX_OCALINIT(port), 0x00000000); vlv_dpio_write(dev_priv, DPIO_TX_SWING_CTL4(port), demph_reg_value); vlv_dpio_write(dev_priv, DPIO_TX_SWING_CTL2(port), @@ -1987,6 +1992,7 @@ static uint32_t intel_vlv_signal_levels(struct intel_dp *intel_dp) vlv_dpio_write(dev_priv, DPIO_PCS_STAGGER0(port), 0x00030000); vlv_dpio_write(dev_priv, DPIO_PCS_CTL_OVER1(port), preemph_reg_value); vlv_dpio_write(dev_priv, DPIO_TX_OCALINIT(port), 0x80000000); + mutex_unlock(&dev_priv->dpio_lock); return 0; } @@ -3035,10 +3041,6 @@ void intel_dp_encoder_destroy(struct drm_encoder *encoder) kfree(intel_dig_port); } -static const struct drm_encoder_helper_funcs intel_dp_helper_funcs = { - .mode_set = intel_dp_mode_set, -}; - static const struct drm_connector_funcs intel_dp_connector_funcs = { .dpms = intel_connector_dpms, .detect = intel_dp_detect, @@ -3518,17 +3520,21 @@ intel_dp_init(struct drm_device *dev, int output_reg, enum port port) drm_encoder_init(dev, &intel_encoder->base, &intel_dp_enc_funcs, DRM_MODE_ENCODER_TMDS); - drm_encoder_helper_add(&intel_encoder->base, &intel_dp_helper_funcs); intel_encoder->compute_config = intel_dp_compute_config; - intel_encoder->enable = intel_enable_dp; - intel_encoder->pre_enable = intel_pre_enable_dp; + intel_encoder->mode_set = intel_dp_mode_set; intel_encoder->disable = intel_disable_dp; intel_encoder->post_disable = intel_post_disable_dp; intel_encoder->get_hw_state = intel_dp_get_hw_state; intel_encoder->get_config = intel_dp_get_config; - if (IS_VALLEYVIEW(dev)) + if (IS_VALLEYVIEW(dev)) { intel_encoder->pre_pll_enable = intel_dp_pre_pll_enable; + intel_encoder->pre_enable = vlv_pre_enable_dp; + intel_encoder->enable = vlv_enable_dp; + } else { + intel_encoder->pre_enable = intel_pre_enable_dp; + intel_encoder->enable = intel_enable_dp; + } intel_dig_port->port = port; intel_dig_port->dp.output_reg = output_reg; |
