drm/i915: set IBX pch type explicitly
This is a little less confusing than relying on the implicit zeroing of the dev_priv. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Reviewed-by: Keith Packard <keithp@keithp.com> Signed-off-by: Keith Packard <keithp@keithp.com>
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@ -255,6 +255,7 @@ MODULE_DEVICE_TABLE(pci, pciidlist);
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#endif
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#define INTEL_PCH_DEVICE_ID_MASK 0xff00
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#define INTEL_PCH_IBX_DEVICE_ID_TYPE 0x3b00
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#define INTEL_PCH_CPT_DEVICE_ID_TYPE 0x1c00
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#define INTEL_PCH_PPT_DEVICE_ID_TYPE 0x1e00
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@ -275,7 +276,10 @@ void intel_detect_pch (struct drm_device *dev)
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int id;
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id = pch->device & INTEL_PCH_DEVICE_ID_MASK;
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if (id == INTEL_PCH_CPT_DEVICE_ID_TYPE) {
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if (id == INTEL_PCH_IBX_DEVICE_ID_TYPE) {
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dev_priv->pch_type = PCH_IBX;
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DRM_DEBUG_KMS("Found Ibex Peak PCH\n");
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} else if (id == INTEL_PCH_CPT_DEVICE_ID_TYPE) {
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dev_priv->pch_type = PCH_CPT;
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DRM_DEBUG_KMS("Found CougarPoint PCH\n");
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} else if (id == INTEL_PCH_PPT_DEVICE_ID_TYPE) {
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