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drm/radeon: fix cayman_vm_set_page v2

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Handle requests that won't fit into a single packet.

v2: pe needs to increase as well.

Signed-off-by: Christian König <deathsimple@vodafone.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2012-10-22 17:42:36 +02:00 committed by Alex Deucher
parent 58f8cf56f9
commit f9fdffa51d
1 changed files with 22 additions and 17 deletions
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39
drivers/gpu/drm/radeon/ni.c
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@ -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;
while (count) {
unsigned ndw = 1 + count * 2;
if (ndw > 0x3FFF)
ndw = 0x3FFF;
} else if (flags & RADEON_VM_PAGE_VALID) {
value = addr;
addr += incr;
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));
}
}