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drm/i915/sdvo: Only use the SDVO pin if it is in the valid range

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BIOSes. Can't live without them (apparently), definitely can't live with
them.

Reported-by: Ben Gamari <bgamari@gmail.com>
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=24312
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2010-12-08 16:48:21 +00:00
parent 8c0a6bfef1
commit 63abf3edaf
1 changed files with 6 additions and 3 deletions
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9
drivers/gpu/drm/i915/intel_sdvo.c
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@ -1908,9 +1908,12 @@ intel_sdvo_select_i2c_bus(struct drm_i915_private *dev_priv,
speed = mapping->i2c_speed;
}
sdvo->i2c = &dev_priv->gmbus[pin].adapter;
intel_gmbus_set_speed(sdvo->i2c, speed);
intel_gmbus_force_bit(sdvo->i2c, true);
if (pin < GMBUS_NUM_PORTS) {
sdvo->i2c = &dev_priv->gmbus[pin].adapter;
intel_gmbus_set_speed(sdvo->i2c, speed);
intel_gmbus_force_bit(sdvo->i2c, true);
} else
sdvo->i2c = &dev_priv->gmbus[GMBUS_PORT_DPB].adapter;
}
static bool