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| author | Jani Nikula <jani.nikula@intel.com> | 2015-05-06 15:33:43 +0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-05-20 11:25:50 +0200 |
| commit | c1bad5b6524b2da842f34862ff9c9c57434b35a8 (patch) | |
| tree | 7906fc6b1bd305cc8967b2465ba90e5d4732d4f8 /drivers/gpu/drm/i915/intel_i2c.c | |
| parent | dcb58a40caeb77b937d7930eafc5bd22373a754e (diff) | |
| download | op-kernel-dev-c1bad5b6524b2da842f34862ff9c9c57434b35a8.zip op-kernel-dev-c1bad5b6524b2da842f34862ff9c9c57434b35a8.tar.gz | |
drm/i915: don't register invalid gmbus pins for bdw
Do not expose invalid gmbus pins as i2c devices to userspace.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_i2c.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_i2c.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_i2c.c b/drivers/gpu/drm/i915/intel_i2c.c index 3daa7e3..76070c4 100644 --- a/drivers/gpu/drm/i915/intel_i2c.c +++ b/drivers/gpu/drm/i915/intel_i2c.c @@ -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); |
