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authorLinus Torvalds <torvalds@linux-foundation.org>2011-04-05 13:39:49 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-04-05 13:39:49 -0700
commit623dda65b6f71e6474f3f156dbed2acf6ff43584 (patch)
treeddeb5ad21697327a2bdff83fbe97ce7c12e56819
parent899631c7916b231ba6509c90dbc33221e9194029 (diff)
parenta6737ad15b4acf88bbf7753e929faf215adeaa3a (diff)
downloadlinux-linaro-623dda65b6f71e6474f3f156dbed2acf6ff43584.tar.gz
Merge branch 'drm-intel-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/keithp/linux-2.6
* '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
-rw-r--r--drivers/gpu/drm/i915/intel_crt.c20
-rw-r--r--drivers/gpu/drm/i915/intel_lvds.c24
2 files changed, 0 insertions, 44 deletions
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index 8342259f316..d03fc05b39c 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -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;
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 86cd30bcb61..a562bd2648c 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -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;