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path: root/drivers/gpu/drm/i915/display/intel_gmbus.c
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Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_gmbus.c')
-rw-r--r--drivers/gpu/drm/i915/display/intel_gmbus.c20
1 files changed, 18 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_gmbus.c b/drivers/gpu/drm/i915/display/intel_gmbus.c
index 4f6a9bd5af47..b42c79aea61a 100644
--- a/drivers/gpu/drm/i915/display/intel_gmbus.c
+++ b/drivers/gpu/drm/i915/display/intel_gmbus.c
@@ -94,11 +94,25 @@ static const struct gmbus_pin gmbus_pins_mcc[] = {
[GMBUS_PIN_9_TC1_ICP] = { "dpc", GPIOJ },
};
+static const struct gmbus_pin gmbus_pins_tgp[] = {
+ [GMBUS_PIN_1_BXT] = { "dpa", GPIOB },
+ [GMBUS_PIN_2_BXT] = { "dpb", GPIOC },
+ [GMBUS_PIN_3_BXT] = { "dpc", GPIOD },
+ [GMBUS_PIN_9_TC1_ICP] = { "tc1", GPIOJ },
+ [GMBUS_PIN_10_TC2_ICP] = { "tc2", GPIOK },
+ [GMBUS_PIN_11_TC3_ICP] = { "tc3", GPIOL },
+ [GMBUS_PIN_12_TC4_ICP] = { "tc4", GPIOM },
+ [GMBUS_PIN_13_TC5_TGP] = { "tc5", GPION },
+ [GMBUS_PIN_14_TC6_TGP] = { "tc6", GPIOO },
+};
+
/* pin is expected to be valid */
static const struct gmbus_pin *get_gmbus_pin(struct drm_i915_private *dev_priv,
unsigned int pin)
{
- if (HAS_PCH_MCC(dev_priv))
+ if (HAS_PCH_TGP(dev_priv))
+ return &gmbus_pins_tgp[pin];
+ else if (HAS_PCH_MCC(dev_priv))
return &gmbus_pins_mcc[pin];
else if (HAS_PCH_ICP(dev_priv))
return &gmbus_pins_icp[pin];
@@ -119,7 +133,9 @@ bool intel_gmbus_is_valid_pin(struct drm_i915_private *dev_priv,
{
unsigned int size;
- if (HAS_PCH_MCC(dev_priv))
+ if (HAS_PCH_TGP(dev_priv))
+ size = ARRAY_SIZE(gmbus_pins_tgp);
+ else if (HAS_PCH_MCC(dev_priv))
size = ARRAY_SIZE(gmbus_pins_mcc);
else if (HAS_PCH_ICP(dev_priv))
size = ARRAY_SIZE(gmbus_pins_icp);