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Merge branch 'drm-intel-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/keithp/linux-2.6

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* 'drm-intel-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/keithp/linux-2.6:
  drm/i915/lvds: Remove 0xa0 DDC probe for LVDS
  drm/i915/crt: Remove 0xa0 probe for VGA
This commit is contained in:
Linus Torvalds 2011-04-05 13:39:49 -07:00
parent 899631c791 a6737ad15b
commit 623dda65b6
2 changed files with 0 additions and 44 deletions
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20
drivers/gpu/drm/i915/intel_crt.c
View file

@ -269,21 +269,6 @@ static bool intel_crt_detect_hotplug(struct drm_connector *connector)
return ret;
}
static bool intel_crt_ddc_probe(struct drm_i915_private *dev_priv, int ddc_bus)
{
u8 buf;
struct i2c_msg msgs[] = {
{
.addr = 0xA0,
.flags = 0,
.len = 1,
.buf = &buf,
},
};
/* DDC monitor detect: Does it ACK a write to 0xA0? */
return i2c_transfer(&dev_priv->gmbus[ddc_bus].adapter, msgs, 1) == 1;
}
static bool intel_crt_detect_ddc(struct drm_connector *connector)
{
struct intel_crt *crt = intel_attached_crt(connector);
@ -293,11 +278,6 @@ static bool intel_crt_detect_ddc(struct drm_connector *connector)
if (crt->base.type != INTEL_OUTPUT_ANALOG)
return false;
if (intel_crt_ddc_probe(dev_priv, dev_priv->crt_ddc_pin)) {
DRM_DEBUG_KMS("CRT detected via DDC:0xa0\n");
return true;
}
if (intel_ddc_probe(&crt->base, dev_priv->crt_ddc_pin)) {
struct edid *edid;
bool is_digital = false;

24
drivers/gpu/drm/i915/intel_lvds.c
View file

@ -829,25 +829,6 @@ static bool lvds_is_present_in_vbt(struct drm_device *dev,
return false;
}
static bool intel_lvds_ddc_probe(struct drm_device *dev, u8 pin)
{
struct drm_i915_private *dev_priv = dev->dev_private;
u8 buf = 0;
struct i2c_msg msgs[] = {
{
.addr = 0xA0,
.flags = 0,
.len = 1,
.buf = &buf,
},
};
struct i2c_adapter *i2c = &dev_priv->gmbus[pin].adapter;
/* XXX this only appears to work when using GMBUS */
if (intel_gmbus_is_forced_bit(i2c))
return true;
return i2c_transfer(i2c, msgs, 1) == 1;
}
/**
* intel_lvds_init - setup LVDS connectors on this device
* @dev: drm device
@ -888,11 +869,6 @@ bool intel_lvds_init(struct drm_device *dev)
}
}
if (!intel_lvds_ddc_probe(dev, pin)) {
DRM_DEBUG_KMS("LVDS did not respond to DDC probe\n");
return false;
}
intel_lvds = kzalloc(sizeof(struct intel_lvds), GFP_KERNEL);
if (!intel_lvds) {
return false;