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authorBen Skeggs <bskeggs@redhat.com>2012-05-04 14:34:16 +1000
committerBen Skeggs <bskeggs@redhat.com>2012-05-24 16:56:19 +1000
commit5490e5dfb9e9d654b0ed06c2989a73402496adf6 (patch)
tree7d6a2080d05cbf6a79e7e0c1bd03d4c9e7629160 /drivers
parent4c193d254ee94da02857b9670e815b1765a9579b (diff)
downloadlinux-5490e5dfb9e9d654b0ed06c2989a73402496adf6.tar.bz2
drm/nv98/ttm: add in a (disabled) crypto engine buffer copy method
Disabled for the moment until some performance issues are sorted out, code committed as a reference point. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_bo.c21
1 files changed, 20 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index f596354f399a..771ce371c4ba 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
+nv98_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, 0x0320, 6);
+ 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 /* COPY */);
+ OUT_RING (chan, new_mem->num_pages << PAGE_SHIFT);
+ }
+ return ret;
+}
+
+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)
{
@@ -842,7 +860,8 @@ nouveau_bo_move_init(struct nouveau_channel *chan)
{ "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 },
- {}
+ {},
+ { "CRYPT", 0x88b4, nv98_bo_move_exec, nv50_bo_move_init },
}, *mthd = _methods;
const char *name = "CPU";
int ret;