diff options
| author | Paul Collins <paul@burly.ondioline.org> | 2009-02-04 23:05:41 +1300 |
|---|---|---|
| committer | Dave Airlie <airlied@linux.ie> | 2009-02-08 21:38:18 +1000 |
| commit | 565dcd4635f4f8c0ac4dee38a5625bc325799b1e (patch) | |
| tree | ecca86f11004a98829cd3eadfb23fc74865d88d8 /drivers/gpu/drm/i915/intel_lvds.c | |
| parent | e2f0ba97d60e59fe5c6237851933a9c38a8f9a24 (diff) | |
drm/i915: skip LVDS initialization on Apple Mac Mini
The Apple Mac Mini falsely reports LVDS. Use DMI to check whether we
are running on a Mac Mini, and skip LVDS initialization if that proves
to be the case.
Signed-off-by: Paul Collins <paul@ondioline.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@linux.ie>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_lvds.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_lvds.c | 47 |
1 files changed, 13 insertions, 34 deletions
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c index cf8da644faf..6d4f9126535 100644 --- a/drivers/gpu/drm/i915/intel_lvds.c +++ b/drivers/gpu/drm/i915/intel_lvds.c @@ -27,6 +27,7 @@ * Jesse Barnes <jesse.barnes@intel.com> */ +#include <linux/dmi.h> #include <linux/i2c.h> #include "drmP.h" #include "drm.h" @@ -403,6 +404,16 @@ void intel_lvds_init(struct drm_device *dev) u32 lvds; int pipe; + /* Blacklist machines that we know falsely report LVDS. */ + /* FIXME: add a check for the Aopen Mini PC */ + + /* Apple Mac Mini Core Duo and Mac Mini Core 2 Duo */ + if(dmi_match(DMI_PRODUCT_NAME, "Macmini1,1") || + dmi_match(DMI_PRODUCT_NAME, "Macmini2,1")) { + DRM_DEBUG("Skipping LVDS initialization for Apple Mac Mini\n"); + return; + } + intel_output = kzalloc(sizeof(struct intel_output), GFP_KERNEL); if (!intel_output) { return; @@ -456,7 +467,7 @@ void intel_lvds_init(struct drm_device *dev) dev_priv->panel_fixed_mode = drm_mode_duplicate(dev, scan); mutex_unlock(&dev->mode_config.mutex); - goto out; /* FIXME: check for quirks */ + goto out; } mutex_unlock(&dev->mode_config.mutex); } @@ -490,7 +501,7 @@ void intel_lvds_init(struct drm_device *dev) if (dev_priv->panel_fixed_mode) { dev_priv->panel_fixed_mode->type |= DRM_MODE_TYPE_PREFERRED; - goto out; /* FIXME: check for quirks */ + goto out; } } @@ -498,38 +509,6 @@ void intel_lvds_init(struct drm_device *dev) if (!dev_priv->panel_fixed_mode) goto failed; - /* FIXME: detect aopen & mac mini type stuff automatically? */ - /* - * Blacklist machines with BIOSes that list an LVDS panel without - * actually having one. - */ - if (IS_I945GM(dev)) { - /* aopen mini pc */ - if (dev->pdev->subsystem_vendor == 0xa0a0) - goto failed; - - if ((dev->pdev->subsystem_vendor == 0x8086) && - (dev->pdev->subsystem_device == 0x7270)) { - /* It's a Mac Mini or Macbook Pro. - * - * Apple hardware is out to get us. The macbook pro - * has a real LVDS panel, but the mac mini does not, - * and they have the same device IDs. We'll - * distinguish by panel size, on the assumption - * that Apple isn't about to make any machines with an - * 800x600 display. - */ - - if (dev_priv->panel_fixed_mode != NULL && - dev_priv->panel_fixed_mode->hdisplay == 800 && - dev_priv->panel_fixed_mode->vdisplay == 600) { - DRM_DEBUG("Suspected Mac Mini, ignoring the LVDS\n"); - goto failed; - } - } - } - - out: drm_sysfs_connector_add(connector); return; |