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drm/radeon/kms: fix some GART table entry bugs.

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1. rv370 can accept 40-bit addresses - also at 24-bit shift not 4 bits
2. rs480 table can be in 40-bit space. - 4 bit shift for top 8 bits
3. rs480 table entries can be in 40-bit space.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie
2009-06-29 18:29:11 +10:00
parent 44b5728095
commit ed10f95d60
4 changed files with 16 additions and 5 deletions
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4
drivers/gpu/drm/radeon/r300.c
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@ -150,7 +150,9 @@ int rv370_pcie_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)
if (i < 0 || i > rdev->gart.num_gpu_pages) {
return -EINVAL;
}
addr = (((u32)addr) >> 8) | ((upper_32_bits(addr) & 0xff) << 4) | 0xC;
addr = (lower_32_bits(addr) >> 8) |
((upper_32_bits(addr) & 0xff) << 24) |
0xc;
writel(cpu_to_le32(addr), ((void __iomem *)ptr) + (i * 4));
return 0;
}