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authorBen Skeggs <bskeggs@redhat.com>2012-05-04 14:21:15 +1000
committerBen Skeggs <bskeggs@redhat.com>2012-05-24 16:56:18 +1000
commit4c193d254ee94da02857b9670e815b1765a9579b (patch)
tree954c01429fce95bea8c418c7d68e6188eb61d6b3
parentd1b167e168bdac0b6af11e7a8c601773639fc419 (diff)
drm/nv84/ttm: use crypto engine for async buffer copies
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_bo.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index 6e78b1aaa74d..f596354f399a 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -562,6 +562,24 @@ nvc0_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo,
}
static int
+nv84_bo_move_exec(struct nouveau_channel *chan, struct ttm_buffer_object *bo,
+ struct ttm_mem_reg *old_mem, struct ttm_mem_reg *new_mem)
+{
+ struct nouveau_mem *node = old_mem->mm_node;
+ int ret = RING_SPACE(chan, 7);
+ if (ret == 0) {
+ BEGIN_NV04(chan, NvSubCopy, 0x0304, 6);
+ OUT_RING (chan, new_mem->num_pages << PAGE_SHIFT);
+ OUT_RING (chan, upper_32_bits(node->vma[0].offset));
+ OUT_RING (chan, lower_32_bits(node->vma[0].offset));
+ OUT_RING (chan, upper_32_bits(node->vma[1].offset));
+ OUT_RING (chan, lower_32_bits(node->vma[1].offset));
+ OUT_RING (chan, 0x00000000 /* MODE_COPY, QUERY_NONE */);
+ }
+ return ret;
+}
+
+static int
nv50_bo_move_init(struct nouveau_channel *chan, u32 handle)
{
int ret = nouveau_notifier_alloc(chan, NvNotify0, 32, 0xfe0, 0x1000,
@@ -821,6 +839,7 @@ nouveau_bo_move_init(struct nouveau_channel *chan)
} _methods[] = {
{ "COPY", 0xa0b5, nve0_bo_move_copy, nvc0_bo_move_init },
{ "M2MF", 0x9039, nvc0_bo_move_m2mf, nvc0_bo_move_init },
+ { "CRYPT", 0x74c1, nv84_bo_move_exec, nv50_bo_move_init },
{ "M2MF", 0x5039, nv50_bo_move_m2mf, nv50_bo_move_init },
{ "M2MF", 0x0039, nv04_bo_move_m2mf, nv04_bo_move_init },
{}