Signed-off-by: Zhenyu Wang <zhen...@linux.intel.com>
---
drivers/char/agp/intel-agp.c | 24 +++++++++++++++---------
1 files changed, 15 insertions(+), 9 deletions(-)
diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index ddf5def..ab19039 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -825,7 +825,8 @@ static const struct intel_driver_description {
static int __devinit intel_gmch_probe(struct pci_dev *pdev,
struct agp_bridge_data *bridge)
{
- int i;
+ int i, mask;
+
bridge->driver = NULL;
for (i = 0; intel_agp_chipsets[i].name != NULL; i++) {
@@ -845,14 +846,19 @@ static int __devinit intel_gmch_probe(struct pci_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));
- }
+ if (bridge->driver->mask_memory == intel_gen6_mask_memory)
+ mask = 40;
+ else if (bridge->driver->mask_memory == intel_i965_mask_memory)
+ mask = 36;
+ else
+ mask = 32;
+
+ if (pci_set_dma_mask(intel_private.pcidev, DMA_BIT_MASK(mask)))
+ dev_err(&intel_private.pcidev->dev,
+ "set gfx device dma mask %d-bit failed!\n", mask);
+ else
+ pci_set_consistent_dma_mask(intel_private.pcidev,
+ DMA_BIT_MASK(mask));
return 1;
}
--
1.7.0.4
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