diff options
author | Mahesh Kumar <mahesh1.kumar@intel.com> | 2019-07-11 10:31:13 -0700 |
---|---|---|
committer | Lucas De Marchi <lucas.demarchi@intel.com> | 2019-07-11 16:31:24 -0700 |
commit | d757535e3116c1a5f024bfef1ab3544a525f03fb (patch) | |
tree | 3e451e13834c5c8765121a1440bfa0dd58e5e695 /drivers/gpu/drm/i915/display/intel_bios.c | |
parent | fb81cbe46988cddfd9e6fd2bb9f7ce39cea0c380 (diff) |
drm/i915/tgl: Add vbt value mapping for DDC Bus pin
Add VBT-value to DDC bus pin mapping for the same.
Signed-off-by: Mahesh Kumar <mahesh1.kumar@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190711173115.28296-20-lucas.demarchi@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_bios.c')
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_bios.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c index 4fdbb5c35d87..2fe68f72b88f 100644 --- a/drivers/gpu/drm/i915/display/intel_bios.c +++ b/drivers/gpu/drm/i915/display/intel_bios.c @@ -1355,12 +1355,27 @@ static const u8 mcc_ddc_pin_map[] = { [MCC_DDC_BUS_DDI_C] = GMBUS_PIN_9_TC1_ICP, }; +static const u8 tgp_ddc_pin_map[] = { + [ICL_DDC_BUS_DDI_A] = GMBUS_PIN_1_BXT, + [ICL_DDC_BUS_DDI_B] = GMBUS_PIN_2_BXT, + [TGL_DDC_BUS_DDI_C] = GMBUS_PIN_3_BXT, + [ICL_DDC_BUS_PORT_1] = GMBUS_PIN_9_TC1_ICP, + [ICL_DDC_BUS_PORT_2] = GMBUS_PIN_10_TC2_ICP, + [ICL_DDC_BUS_PORT_3] = GMBUS_PIN_11_TC3_ICP, + [ICL_DDC_BUS_PORT_4] = GMBUS_PIN_12_TC4_ICP, + [TGL_DDC_BUS_PORT_5] = GMBUS_PIN_13_TC5_TGP, + [TGL_DDC_BUS_PORT_6] = GMBUS_PIN_14_TC6_TGP, +}; + static u8 map_ddc_pin(struct drm_i915_private *dev_priv, u8 vbt_pin) { const u8 *ddc_pin_map; int n_entries; - if (HAS_PCH_MCC(dev_priv)) { + if (HAS_PCH_TGP(dev_priv)) { + ddc_pin_map = tgp_ddc_pin_map; + n_entries = ARRAY_SIZE(tgp_ddc_pin_map); + } else if (HAS_PCH_MCC(dev_priv)) { ddc_pin_map = mcc_ddc_pin_map; n_entries = ARRAY_SIZE(mcc_ddc_pin_map); } else if (HAS_PCH_ICP(dev_priv)) { |