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| author |   Ben Skeggs <bskeggs@redhat.com> | 2012-05-04 14:34:16 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2012-05-24 16:56:19 +1000 |
| commit | 5490e5dfb9e9d654b0ed06c2989a73402496adf6 (patch) | |
| tree | 7d6a2080d05cbf6a79e7e0c1bd03d4c9e7629160 /drivers/gpu/drm/nouveau/nouveau_bo.c | |
| parent | drm/nv84/ttm: use crypto engine for async buffer copies (diff) | |
| download | linux-dev-5490e5dfb9e9d654b0ed06c2989a73402496adf6.tar.xz linux-dev-5490e5dfb9e9d654b0ed06c2989a73402496adf6.zip | |
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/gpu/drm/nouveau/nouveau_bo.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_bo.c | 21 |
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; |