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drm/radeon: fix si_set_page v2 

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 17:42:37 +02:00 committed by Alex Deucher
parent f9fdffa51d
commit d7025d8938
1 changed files with 24 additions and 19 deletions
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43
drivers/gpu/drm/radeon/si.c
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@ -2808,26 +2808,31 @@ void si_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;
uint64_t value;
radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 2 + count * 2));
radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(0) |
WRITE_DATA_DST_SEL(1)));
radeon_ring_write(ring, pe);
radeon_ring_write(ring, upper_32_bits(pe));
for (i = 0; i < count; ++i) {
if (flags & RADEON_VM_PAGE_SYSTEM) {
value = radeon_vm_map_gart(rdev, addr);
value &= 0xFFFFFFFFFFFFF000ULL;
} else if (flags & RADEON_VM_PAGE_VALID)
value = addr;
else
value = 0;
addr += incr;
value |= r600_flags;
radeon_ring_write(ring, value);
radeon_ring_write(ring, upper_32_bits(value));
while (count) {
unsigned ndw = 2 + count * 2;
if (ndw > 0x3FFE)
ndw = 0x3FFE;
radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, ndw));
radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(0) |
WRITE_DATA_DST_SEL(1)));
radeon_ring_write(ring, pe);
radeon_ring_write(ring, upper_32_bits(pe));
for (; ndw > 2; ndw -= 2, --count, pe += 8) {
uint64_t value;
if (flags & RADEON_VM_PAGE_SYSTEM) {
value = radeon_vm_map_gart(rdev, addr);
value &= 0xFFFFFFFFFFFFF000ULL;
} else if (flags & RADEON_VM_PAGE_VALID)
value = addr;
else
value = 0;
addr += incr;
value |= r600_flags;
radeon_ring_write(ring, value);
radeon_ring_write(ring, upper_32_bits(value));
}
}
}