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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.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_gmbus.c b/drivers/gpu/drm/i915/display/intel_gmbus.c
index 6ce8c10fe975..2fad03250661 100644
--- a/drivers/gpu/drm/i915/display/intel_gmbus.c
+++ b/drivers/gpu/drm/i915/display/intel_gmbus.c
@@ -98,11 +98,21 @@ static const struct gmbus_pin gmbus_pins_dg1[] = {
[GMBUS_PIN_4_CNP] = { "dpd", GPIOE },
};
+static const struct gmbus_pin gmbus_pins_dg2[] = {
+ [GMBUS_PIN_1_BXT] = { "dpa", GPIOB },
+ [GMBUS_PIN_2_BXT] = { "dpb", GPIOC },
+ [GMBUS_PIN_3_BXT] = { "dpc", GPIOD },
+ [GMBUS_PIN_4_CNP] = { "dpd", GPIOE },
+ [GMBUS_PIN_9_TC1_ICP] = { "tc1", GPIOJ },
+};
+
/* 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_DG1)
+ if (INTEL_PCH_TYPE(dev_priv) >= PCH_DG2)
+ return &gmbus_pins_dg2[pin];
+ else 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];
@@ -123,7 +133,9 @@ bool intel_gmbus_is_valid_pin(struct drm_i915_private *dev_priv,
{
unsigned int size;
- if (INTEL_PCH_TYPE(dev_priv) >= PCH_DG1)
+ if (INTEL_PCH_TYPE(dev_priv) >= PCH_DG2)
+ size = ARRAY_SIZE(gmbus_pins_dg2);
+ else 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);