diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_gmbus.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_gmbus.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_gmbus.c b/drivers/gpu/drm/i915/display/intel_gmbus.c index e6b8d6dfb598..b0d71bbbf2ad 100644 --- a/drivers/gpu/drm/i915/display/intel_gmbus.c +++ b/drivers/gpu/drm/i915/display/intel_gmbus.c @@ -90,11 +90,20 @@ static const struct gmbus_pin gmbus_pins_icp[] = { [GMBUS_PIN_14_TC6_TGP] = { "tc6", GPIOO }, }; +static const struct gmbus_pin gmbus_pins_dg1[] = { + [GMBUS_PIN_1_BXT] = { "dpa", GPIOB }, + [GMBUS_PIN_2_BXT] = { "dpb", GPIOC }, + [GMBUS_PIN_3_BXT] = { "dpc", GPIOD }, + [GMBUS_PIN_4_CNP] = { "dpd", GPIOE }, +}; + /* pin is expected to be valid */ static const struct gmbus_pin *get_gmbus_pin(struct drm_i915_private *dev_priv, unsigned int pin) { - if (INTEL_PCH_TYPE(dev_priv) >= PCH_ICP) + if (INTEL_PCH_TYPE(dev_priv) >= PCH_DG1) + return &gmbus_pins_dg1[pin]; + else if (INTEL_PCH_TYPE(dev_priv) >= PCH_ICP) return &gmbus_pins_icp[pin]; else if (HAS_PCH_CNP(dev_priv)) return &gmbus_pins_cnp[pin]; @@ -113,7 +122,9 @@ bool intel_gmbus_is_valid_pin(struct drm_i915_private *dev_priv, { unsigned int size; - if (INTEL_PCH_TYPE(dev_priv) >= PCH_ICP) + if (INTEL_PCH_TYPE(dev_priv) >= PCH_DG1) + size = ARRAY_SIZE(gmbus_pins_dg1); + else if (INTEL_PCH_TYPE(dev_priv) >= PCH_ICP) size = ARRAY_SIZE(gmbus_pins_icp); else if (HAS_PCH_CNP(dev_priv)) size = ARRAY_SIZE(gmbus_pins_cnp); |