diff options
| author | Paulo Zanoni <paulo.r.zanoni@intel.com> | 2012-11-20 15:12:07 -0200 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-11-21 17:47:08 +0100 |
| commit | 17a303ec7cd5a245c621b6d0898eb3ef9fc96329 (patch) | |
| tree | 35d90637b3b1740526740d32b23bbc8ef73af0e7 /drivers/gpu/drm/i915/i915_drv.c | |
| parent | c54e59046c825266ca0decdac47fcfcf902b6cd6 (diff) | |
drm/i915: make DP work on LPT-LP machines
We need to enable a special bit, otherwise none of the DP functions
requiring the PCH will work.
Version 2: store the PCH ID inside dev_priv, as suggested by Daniel
Vetter.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index f7aef97290b..d5d8f2f2ed0 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -396,13 +396,6 @@ static const struct pci_device_id pciidlist[] = { /* aka */ MODULE_DEVICE_TABLE(pci, pciidlist); #endif -#define INTEL_PCH_DEVICE_ID_MASK 0xff00 -#define INTEL_PCH_IBX_DEVICE_ID_TYPE 0x3b00 -#define INTEL_PCH_CPT_DEVICE_ID_TYPE 0x1c00 -#define INTEL_PCH_PPT_DEVICE_ID_TYPE 0x1e00 -#define INTEL_PCH_LPT_DEVICE_ID_TYPE 0x8c00 -#define INTEL_PCH_LPT_LP_DEVICE_ID_TYPE 0x9c00 - void intel_detect_pch(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; @@ -417,8 +410,9 @@ void intel_detect_pch(struct drm_device *dev) pch = pci_get_class(PCI_CLASS_BRIDGE_ISA << 8, NULL); if (pch) { if (pch->vendor == PCI_VENDOR_ID_INTEL) { - int id; + unsigned short id; id = pch->device & INTEL_PCH_DEVICE_ID_MASK; + dev_priv->pch_id = id; if (id == INTEL_PCH_IBX_DEVICE_ID_TYPE) { dev_priv->pch_type = PCH_IBX; |