diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_ddi.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_ddi.c | 55 |
1 files changed, 51 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index 33f1dc3d7c1a6..32ea3c7e8b628 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -622,6 +622,34 @@ static const struct tgl_dkl_phy_ddi_buf_trans tgl_dkl_phy_hdmi_ddi_trans[] = { { 0x0, 0x0, 0xA }, /* 10 Full -3 dB */ }; +static const struct cnl_ddi_buf_trans tgl_combo_phy_ddi_translations_dp_hbr[] = { + /* NT mV Trans mV db */ + { 0xA, 0x32, 0x3F, 0x00, 0x00 }, /* 350 350 0.0 */ + { 0xA, 0x4F, 0x37, 0x00, 0x08 }, /* 350 500 3.1 */ + { 0xC, 0x71, 0x2F, 0x00, 0x10 }, /* 350 700 6.0 */ + { 0x6, 0x7D, 0x2B, 0x00, 0x14 }, /* 350 900 8.2 */ + { 0xA, 0x4C, 0x3F, 0x00, 0x00 }, /* 500 500 0.0 */ + { 0xC, 0x73, 0x34, 0x00, 0x0B }, /* 500 700 2.9 */ + { 0x6, 0x7F, 0x2F, 0x00, 0x10 }, /* 500 900 5.1 */ + { 0xC, 0x6C, 0x3C, 0x00, 0x03 }, /* 650 700 0.6 */ + { 0x6, 0x7F, 0x35, 0x00, 0x0A }, /* 600 900 3.5 */ + { 0x6, 0x7F, 0x3F, 0x00, 0x00 }, /* 900 900 0.0 */ +}; + +static const struct cnl_ddi_buf_trans tgl_combo_phy_ddi_translations_dp_hbr2[] = { + /* NT mV Trans mV db */ + { 0xA, 0x35, 0x3F, 0x00, 0x00 }, /* 350 350 0.0 */ + { 0xA, 0x4F, 0x37, 0x00, 0x08 }, /* 350 500 3.1 */ + { 0xC, 0x63, 0x2F, 0x00, 0x10 }, /* 350 700 6.0 */ + { 0x6, 0x7F, 0x2B, 0x00, 0x14 }, /* 350 900 8.2 */ + { 0xA, 0x47, 0x3F, 0x00, 0x00 }, /* 500 500 0.0 */ + { 0xC, 0x63, 0x34, 0x00, 0x0B }, /* 500 700 2.9 */ + { 0x6, 0x7F, 0x2F, 0x00, 0x10 }, /* 500 900 5.1 */ + { 0xC, 0x61, 0x3C, 0x00, 0x03 }, /* 650 700 0.6 */ + { 0x6, 0x7B, 0x35, 0x00, 0x0A }, /* 600 900 3.5 */ + { 0x6, 0x7F, 0x3F, 0x00, 0x00 }, /* 900 900 0.0 */ +}; + static const struct ddi_buf_trans * bdw_get_buf_trans_edp(struct drm_i915_private *dev_priv, int *n_entries) { @@ -901,6 +929,21 @@ icl_get_combo_buf_trans(struct drm_i915_private *dev_priv, int type, int rate, return icl_combo_phy_ddi_translations_dp_hbr2; } +static const struct cnl_ddi_buf_trans * +tgl_get_combo_buf_trans(struct drm_i915_private *dev_priv, int type, int rate, + int *n_entries) +{ + if (type != INTEL_OUTPUT_DP) { + return icl_get_combo_buf_trans(dev_priv, type, rate, n_entries); + } else if (rate > 270000) { + *n_entries = ARRAY_SIZE(tgl_combo_phy_ddi_translations_dp_hbr2); + return tgl_combo_phy_ddi_translations_dp_hbr2; + } + + *n_entries = ARRAY_SIZE(tgl_combo_phy_ddi_translations_dp_hbr); + return tgl_combo_phy_ddi_translations_dp_hbr; +} + static int intel_ddi_hdmi_level(struct drm_i915_private *dev_priv, enum port port) { struct ddi_vbt_port_info *port_info = &dev_priv->vbt.ddi_port_info[port]; @@ -909,7 +952,7 @@ static int intel_ddi_hdmi_level(struct drm_i915_private *dev_priv, enum port por if (INTEL_GEN(dev_priv) >= 12) { if (intel_phy_is_combo(dev_priv, phy)) - icl_get_combo_buf_trans(dev_priv, INTEL_OUTPUT_HDMI, + tgl_get_combo_buf_trans(dev_priv, INTEL_OUTPUT_HDMI, 0, &n_entries); else n_entries = ARRAY_SIZE(tgl_dkl_phy_hdmi_ddi_trans); @@ -2372,7 +2415,7 @@ u8 intel_ddi_dp_voltage_max(struct intel_encoder *encoder) if (INTEL_GEN(dev_priv) >= 12) { if (intel_phy_is_combo(dev_priv, phy)) - icl_get_combo_buf_trans(dev_priv, encoder->type, + tgl_get_combo_buf_trans(dev_priv, encoder->type, intel_dp->link_rate, &n_entries); else n_entries = ARRAY_SIZE(tgl_dkl_phy_dp_ddi_trans); @@ -2567,8 +2610,12 @@ static void icl_ddi_combo_vswing_program(struct drm_i915_private *dev_priv, u32 n_entries, val; int ln; - ddi_translations = icl_get_combo_buf_trans(dev_priv, type, rate, - &n_entries); + if (INTEL_GEN(dev_priv) >= 12) + ddi_translations = tgl_get_combo_buf_trans(dev_priv, type, rate, + &n_entries); + else + ddi_translations = icl_get_combo_buf_trans(dev_priv, type, rate, + &n_entries); if (!ddi_translations) return; |