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-rw-r--r--drivers/char/agp/intel-agp.c73
1 files changed, 44 insertions, 29 deletions
diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index b5cb192dc6b6..cc494abe195e 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -812,6 +812,41 @@ static const struct intel_driver_description {
{ 0, 0, NULL, NULL, NULL }
};
+static int __devinit intel_gmch_probe(struct pci_dev *pdev,
+ struct agp_bridge_data *bridge)
+{
+ int i;
+ bridge->driver = NULL;
+
+ for (i = 0; intel_agp_chipsets[i].name != NULL; i++) {
+ if ((intel_agp_chipsets[i].gmch_chip_id != 0) &&
+ find_gmch(intel_agp_chipsets[i].gmch_chip_id)) {
+ bridge->driver =
+ intel_agp_chipsets[i].gmch_driver;
+ break;
+ }
+ }
+
+ if (!bridge->driver)
+ return 0;
+
+ bridge->dev_private_data = &intel_private;
+ bridge->dev = pdev;
+
+ dev_info(&pdev->dev, "Intel %s Chipset\n", intel_agp_chipsets[i].name);
+
+ if (bridge->driver->mask_memory == intel_i965_mask_memory) {
+ if (pci_set_dma_mask(intel_private.pcidev, DMA_BIT_MASK(36)))
+ dev_err(&intel_private.pcidev->dev,
+ "set gfx device dma mask 36bit failed!\n");
+ else
+ pci_set_consistent_dma_mask(intel_private.pcidev,
+ DMA_BIT_MASK(36));
+ }
+
+ return 1;
+}
+
static int __devinit agp_intel_probe(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
@@ -826,20 +861,18 @@ static int __devinit agp_intel_probe(struct pci_dev *pdev,
if (!bridge)
return -ENOMEM;
+ bridge->capndx = cap_ptr;
+
+ if (intel_gmch_probe(pdev, bridge))
+ goto found_gmch;
+
for (i = 0; intel_agp_chipsets[i].name != NULL; i++) {
/* In case that multiple models of gfx chip may
stand on same host bridge type, this can be
sure we detect the right IGD. */
if (pdev->device == intel_agp_chipsets[i].chip_id) {
- if ((intel_agp_chipsets[i].gmch_chip_id != 0) &&
- find_gmch(intel_agp_chipsets[i].gmch_chip_id)) {
- bridge->driver =
- intel_agp_chipsets[i].gmch_driver;
- break;
- } else {
- bridge->driver = intel_agp_chipsets[i].driver;
- break;
- }
+ bridge->driver = intel_agp_chipsets[i].driver;
+ break;
}
}
@@ -851,18 +884,8 @@ static int __devinit agp_intel_probe(struct pci_dev *pdev,
return -ENODEV;
}
- if (bridge->driver == NULL) {
- /* bridge has no AGP and no IGD detected */
- if (cap_ptr)
- dev_warn(&pdev->dev, "can't find bridge device (chip_id: %04x)\n",
- intel_agp_chipsets[i].gmch_chip_id);
- agp_put_bridge(bridge);
- return -ENODEV;
- }
-
bridge->dev = pdev;
- bridge->capndx = cap_ptr;
- bridge->dev_private_data = &intel_private;
+ bridge->dev_private_data = NULL;
dev_info(&pdev->dev, "Intel %s Chipset\n", intel_agp_chipsets[i].name);
@@ -898,15 +921,7 @@ static int __devinit agp_intel_probe(struct pci_dev *pdev,
&bridge->mode);
}
- if (bridge->driver->mask_memory == intel_i965_mask_memory) {
- if (pci_set_dma_mask(intel_private.pcidev, DMA_BIT_MASK(36)))
- dev_err(&intel_private.pcidev->dev,
- "set gfx device dma mask 36bit failed!\n");
- else
- pci_set_consistent_dma_mask(intel_private.pcidev,
- DMA_BIT_MASK(36));
- }
-
+found_gmch:
pci_set_drvdata(pdev, bridge);
err = agp_add_bridge(bridge);
if (!err)
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