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| author | Christian König <christian.koenig@amd.com> | 2014-07-30 21:05:16 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2014-08-05 08:53:55 -0400 |
| commit | 5a341be27fe23c31e4849b0a0506a4469bcbc283 (patch) | |
| tree | 4ac9bf04d5b1945ba2e0e93e68d5cbd5917cbecf /drivers/gpu/drm/radeon/ni_dma.c | |
| parent | ee26d83ff030fd2a9952a2c91b94c75819f86973 (diff) | |
| download | linux-5a341be27fe23c31e4849b0a0506a4469bcbc283.tar.bz2 | |
drm/radeon: add VM GART copy optimization to NI as well
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/ni_dma.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/ni_dma.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/ni_dma.c b/drivers/gpu/drm/radeon/ni_dma.c index 6378e0276691..66325ef39694 100644 --- a/drivers/gpu/drm/radeon/ni_dma.c +++ b/drivers/gpu/drm/radeon/ni_dma.c @@ -330,7 +330,26 @@ void cayman_dma_vm_set_page(struct radeon_device *rdev, trace_radeon_vm_set_page(pe, addr, count, incr, flags); - if ((flags & R600_PTE_SYSTEM) || (count == 1)) { + if ((flags & R600_PTE_GART_MASK) == R600_PTE_GART_MASK) { + uint64_t src = rdev->gart.table_addr + (addr >> 12) * 8; + while (count) { + ndw = count * 2; + if (ndw > 0xFFFFE) + ndw = 0xFFFFE; + + ib->ptr[ib->length_dw++] = DMA_PACKET(DMA_PACKET_COPY, + 0, 0, ndw); + ib->ptr[ib->length_dw++] = lower_32_bits(pe); + ib->ptr[ib->length_dw++] = lower_32_bits(src); + ib->ptr[ib->length_dw++] = upper_32_bits(pe) & 0xff; + ib->ptr[ib->length_dw++] = upper_32_bits(src) & 0xff; + + pe += ndw * 4; + src += ndw * 4; + count -= ndw / 2; + } + + } else if ((flags & R600_PTE_SYSTEM) || (count == 1)) { while (count) { ndw = count * 2; if (ndw > 0xFFFFE) |