diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ddi.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ddi.c | 38 |
1 files changed, 5 insertions, 33 deletions
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index 51ca8eae2c8f..938ac4dbcb45 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -1547,7 +1547,6 @@ static void bxt_ddi_vswing_sequence(struct drm_i915_private *dev_priv, { const struct bxt_ddi_buf_trans *ddi_translations; u32 n_entries, i; - uint32_t val; if (type == INTEL_OUTPUT_EDP && dev_priv->vbt.edp.low_vswing) { n_entries = ARRAY_SIZE(bxt_ddi_translations_edp); @@ -1576,38 +1575,11 @@ static void bxt_ddi_vswing_sequence(struct drm_i915_private *dev_priv, } } - /* - * While we write to the group register to program all lanes at once we - * can read only lane registers and we pick lanes 0/1 for that. - */ - val = I915_READ(BXT_PORT_PCS_DW10_LN01(port)); - val &= ~(TX2_SWING_CALC_INIT | TX1_SWING_CALC_INIT); - I915_WRITE(BXT_PORT_PCS_DW10_GRP(port), val); - - val = I915_READ(BXT_PORT_TX_DW2_LN0(port)); - val &= ~(MARGIN_000 | UNIQ_TRANS_SCALE); - val |= ddi_translations[level].margin << MARGIN_000_SHIFT | - ddi_translations[level].scale << UNIQ_TRANS_SCALE_SHIFT; - I915_WRITE(BXT_PORT_TX_DW2_GRP(port), val); - - val = I915_READ(BXT_PORT_TX_DW3_LN0(port)); - val &= ~SCALE_DCOMP_METHOD; - if (ddi_translations[level].enable) - val |= SCALE_DCOMP_METHOD; - - if ((val & UNIQUE_TRANGE_EN_METHOD) && !(val & SCALE_DCOMP_METHOD)) - DRM_ERROR("Disabled scaling while ouniqetrangenmethod was set"); - - I915_WRITE(BXT_PORT_TX_DW3_GRP(port), val); - - val = I915_READ(BXT_PORT_TX_DW4_LN0(port)); - val &= ~DE_EMPHASIS; - val |= ddi_translations[level].deemphasis << DEEMPH_SHIFT; - I915_WRITE(BXT_PORT_TX_DW4_GRP(port), val); - - val = I915_READ(BXT_PORT_PCS_DW10_LN01(port)); - val |= TX2_SWING_CALC_INIT | TX1_SWING_CALC_INIT; - I915_WRITE(BXT_PORT_PCS_DW10_GRP(port), val); + bxt_ddi_phy_set_signal_level(dev_priv, port, + ddi_translations[level].margin, + ddi_translations[level].scale, + ddi_translations[level].enable, + ddi_translations[level].deemphasis); } static uint32_t translate_signal_level(int signal_levels) |
