Commit c1bad5b6 authored by Jani Nikula's avatar Jani Nikula Committed by Daniel Vetter

drm/i915: don't register invalid gmbus pins for bdw

Do not expose invalid gmbus pins as i2c devices to userspace.
Signed-off-by: default avatarJani Nikula <jani.nikula@intel.com>
Reviewed-by: default avatarImre Deak <imre.deak@intel.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent dcb58a40
......@@ -49,6 +49,13 @@ static const struct gmbus_pin gmbus_pins[] = {
[GMBUS_PIN_DPD] = { "dpd", GPIOF },
};
static const struct gmbus_pin gmbus_pins_bdw[] = {
[GMBUS_PIN_VGADDC] = { "vga", GPIOA },
[GMBUS_PIN_DPC] = { "dpc", GPIOD },
[GMBUS_PIN_DPB] = { "dpb", GPIOE },
[GMBUS_PIN_DPD] = { "dpd", GPIOF },
};
static const struct gmbus_pin gmbus_pins_bxt[] = {
[GMBUS_PIN_1_BXT] = { "dpb", PCH_GPIOB },
[GMBUS_PIN_2_BXT] = { "dpc", PCH_GPIOC },
......@@ -61,6 +68,8 @@ static const struct gmbus_pin *get_gmbus_pin(struct drm_i915_private *dev_priv,
{
if (IS_BROXTON(dev_priv))
return &gmbus_pins_bxt[pin];
else if (IS_BROADWELL(dev_priv))
return &gmbus_pins_bdw[pin];
else
return &gmbus_pins[pin];
}
......@@ -72,6 +81,8 @@ bool intel_gmbus_is_valid_pin(struct drm_i915_private *dev_priv,
if (IS_BROXTON(dev_priv))
size = ARRAY_SIZE(gmbus_pins_bxt);
else if (IS_BROADWELL(dev_priv))
size = ARRAY_SIZE(gmbus_pins_bdw);
else
size = ARRAY_SIZE(gmbus_pins);
......
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