diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_hdmi.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_hdmi.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index 29ec1535992..8b5f3aa027f 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -690,7 +690,7 @@ static bool intel_hdmi_get_hw_state(struct intel_encoder *encoder, u32 tmp; power_domain = intel_display_port_power_domain(encoder); - if (!intel_display_power_enabled(dev_priv, power_domain)) + if (!intel_display_power_is_enabled(dev_priv, power_domain)) return false; tmp = I915_READ(intel_hdmi->hdmi_reg); @@ -1405,6 +1405,15 @@ static void chv_hdmi_pre_enable(struct intel_encoder *encoder) mutex_lock(&dev_priv->dpio_lock); + /* allow hardware to manage TX FIFO reset source */ + val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW11(ch)); + val &= ~DPIO_LANEDESKEW_STRAP_OVRD; + vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW11(ch), val); + + val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW11(ch)); + val &= ~DPIO_LANEDESKEW_STRAP_OVRD; + vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW11(ch), val); + /* Deassert soft data lane reset*/ val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW1(ch)); val |= CHV_PCS_REQ_SOFTRESET_EN; @@ -1441,12 +1450,26 @@ static void chv_hdmi_pre_enable(struct intel_encoder *encoder) /* Clear calc init */ val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW10(ch)); val &= ~(DPIO_PCS_SWING_CALC_TX0_TX2 | DPIO_PCS_SWING_CALC_TX1_TX3); + val &= ~(DPIO_PCS_TX1DEEMP_MASK | DPIO_PCS_TX2DEEMP_MASK); + val |= DPIO_PCS_TX1DEEMP_9P5 | DPIO_PCS_TX2DEEMP_9P5; vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW10(ch), val); val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW10(ch)); val &= ~(DPIO_PCS_SWING_CALC_TX0_TX2 | DPIO_PCS_SWING_CALC_TX1_TX3); + val &= ~(DPIO_PCS_TX1DEEMP_MASK | DPIO_PCS_TX2DEEMP_MASK); + val |= DPIO_PCS_TX1DEEMP_9P5 | DPIO_PCS_TX2DEEMP_9P5; vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW10(ch), val); + val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW9(ch)); + val &= ~(DPIO_PCS_TX1MARGIN_MASK | DPIO_PCS_TX2MARGIN_MASK); + val |= DPIO_PCS_TX1MARGIN_000 | DPIO_PCS_TX2MARGIN_000; + vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW9(ch), val); + + val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW9(ch)); + val &= ~(DPIO_PCS_TX1MARGIN_MASK | DPIO_PCS_TX2MARGIN_MASK); + val |= DPIO_PCS_TX1MARGIN_000 | DPIO_PCS_TX2MARGIN_000; + vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW9(ch), val); + /* FIXME: Program the support xxx V-dB */ /* Use 800mV-0dB */ for (i = 0; i < 4; i++) { |