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author | Catalin Marinas <catalin.marinas@arm.com> | 2012-11-05 14:58:32 (GMT) |
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committer | Catalin Marinas <catalin.marinas@arm.com> | 2012-11-05 14:58:32 (GMT) |
commit | 3fd9396af83a1e69eaf9ebb573207431d8f265b6 (patch) | |
tree | f221f5777695de71ea97423c67438bca1746e26c /drivers/gpu/drm/radeon/ni.c | |
parent | e3978cded41dc7b364e74037f56d6bc558c11fd7 (diff) | |
parent | 3d70f8c617a436c7146ecb81df2265b4626dfe89 (diff) | |
download | linux-fsl-qoriq-3fd9396af83a1e69eaf9ebb573207431d8f265b6.tar.xz |
Merge tag 'v3.7-rc4' into upstream-master
Linux 3.7-rc4
Diffstat (limited to 'drivers/gpu/drm/radeon/ni.c')
-rw-r--r-- | drivers/gpu/drm/radeon/ni.c | 45 |
1 files changed, 27 insertions, 18 deletions
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index 8c74c72..81e6a56 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -1538,26 +1538,31 @@ void cayman_vm_set_page(struct radeon_device *rdev, uint64_t pe, { struct radeon_ring *ring = &rdev->ring[rdev->asic->vm.pt_ring_index]; uint32_t r600_flags = cayman_vm_page_flags(rdev, flags); - int i; - radeon_ring_write(ring, PACKET3(PACKET3_ME_WRITE, 1 + count * 2)); - radeon_ring_write(ring, pe); - radeon_ring_write(ring, upper_32_bits(pe) & 0xff); - for (i = 0; i < count; ++i) { - uint64_t value = 0; - if (flags & RADEON_VM_PAGE_SYSTEM) { - value = radeon_vm_map_gart(rdev, addr); - value &= 0xFFFFFFFFFFFFF000ULL; - addr += incr; - - } else if (flags & RADEON_VM_PAGE_VALID) { - value = addr; - addr += incr; - } + while (count) { + unsigned ndw = 1 + count * 2; + if (ndw > 0x3FFF) + ndw = 0x3FFF; + + radeon_ring_write(ring, PACKET3(PACKET3_ME_WRITE, ndw)); + radeon_ring_write(ring, pe); + radeon_ring_write(ring, upper_32_bits(pe) & 0xff); + for (; ndw > 1; ndw -= 2, --count, pe += 8) { + uint64_t value = 0; + if (flags & RADEON_VM_PAGE_SYSTEM) { + value = radeon_vm_map_gart(rdev, addr); + value &= 0xFFFFFFFFFFFFF000ULL; + addr += incr; + + } else if (flags & RADEON_VM_PAGE_VALID) { + value = addr; + addr += incr; + } - value |= r600_flags; - radeon_ring_write(ring, value); - radeon_ring_write(ring, upper_32_bits(value)); + value |= r600_flags; + radeon_ring_write(ring, value); + radeon_ring_write(ring, upper_32_bits(value)); + } } } @@ -1586,4 +1591,8 @@ void cayman_vm_flush(struct radeon_device *rdev, int ridx, struct radeon_vm *vm) /* bits 0-7 are the VM contexts0-7 */ radeon_ring_write(ring, PACKET0(VM_INVALIDATE_REQUEST, 0)); radeon_ring_write(ring, 1 << vm->id); + + /* sync PFP to ME, otherwise we might get invalid PFP reads */ + radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0)); + radeon_ring_write(ring, 0x0); } |