From d757535e3116c1a5f024bfef1ab3544a525f03fb Mon Sep 17 00:00:00 2001 From: Mahesh Kumar Date: Thu, 11 Jul 2019 10:31:13 -0700 Subject: [PATCH] drm/i915/tgl: Add vbt value mapping for DDC Bus pin MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Add VBT-value to DDC bus pin mapping for the same. Signed-off-by: Mahesh Kumar Signed-off-by: Lucas De Marchi Reviewed-by: José Roberto de Souza Link: https://patchwork.freedesktop.org/patch/msgid/20190711173115.28296-20-lucas.demarchi@intel.com --- drivers/gpu/drm/i915/display/intel_bios.c | 17 ++++++++++++++++- drivers/gpu/drm/i915/display/intel_vbt_defs.h | 3 +++ 2 files changed, 19 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c index 4fdbb5c..2fe68f7 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)) { diff --git a/drivers/gpu/drm/i915/display/intel_vbt_defs.h b/drivers/gpu/drm/i915/display/intel_vbt_defs.h index 2f4894e..93f5c9d 100644 --- a/drivers/gpu/drm/i915/display/intel_vbt_defs.h +++ b/drivers/gpu/drm/i915/display/intel_vbt_defs.h @@ -310,10 +310,13 @@ enum vbt_gmbus_ddi { DDC_BUS_DDI_F, ICL_DDC_BUS_DDI_A = 0x1, ICL_DDC_BUS_DDI_B, + TGL_DDC_BUS_DDI_C, ICL_DDC_BUS_PORT_1 = 0x4, ICL_DDC_BUS_PORT_2, ICL_DDC_BUS_PORT_3, ICL_DDC_BUS_PORT_4, + TGL_DDC_BUS_PORT_5, + TGL_DDC_BUS_PORT_6, MCC_DDC_BUS_DDI_A = 0x1, MCC_DDC_BUS_DDI_B, MCC_DDC_BUS_DDI_C = 0x4, -- 2.7.4