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authorBen Skeggs <bskeggs@redhat.com>2012-03-20 14:36:04 +1000
committerBen Skeggs <bskeggs@redhat.com>2012-05-24 16:31:45 +1000
commitc6b7e89582bdb028e1b1763197ff24c77a43e1b0 (patch)
treee3fcb3794462c02758f253183d80ec9fa69c4d56 /drivers/gpu
parentf1c65e7c7fb7e109290e969ad17f08c45993b41c (diff)
drm/nve0/ttm: implement buffer moves with weirdo pcopy-on-pgraph methods
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_bo.c24
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_dma.h1
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_state.c14
3 files changed, 39 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index 4435e115b929..1da403123eca 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -489,6 +489,27 @@ nouveau_bo_move_accel_cleanup(struct nouveau_channel *chan,
}
static int
+nve0_bo_move_copy(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, 10);
+ if (ret == 0) {
+ BEGIN_NVC0(chan, 2, NvSubCopy, 0x0400, 8);
+ 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, PAGE_SIZE);
+ OUT_RING (chan, PAGE_SIZE);
+ OUT_RING (chan, PAGE_SIZE);
+ OUT_RING (chan, new_mem->num_pages);
+ BEGIN_NVC0(chan, 8, NvSubCopy, 0x0300, 0x0386);
+ }
+ return ret;
+}
+
+static int
nvc0_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo,
struct ttm_mem_reg *old_mem, struct ttm_mem_reg *new_mem)
{
@@ -727,7 +748,10 @@ nouveau_bo_move_m2mf(struct ttm_buffer_object *bo, int evict, bool intr,
if (dev_priv->card_type < NV_C0)
ret = nv50_bo_move_m2mf(chan, bo, &bo->mem, new_mem);
else
+ if (dev_priv->card_type < NV_E0)
ret = nvc0_bo_move_m2mf(chan, bo, &bo->mem, new_mem);
+ else
+ ret = nve0_bo_move_copy(chan, bo, &bo->mem, new_mem);
if (ret == 0) {
ret = nouveau_bo_move_accel_cleanup(chan, nvbo, evict,
no_wait_reserve,
diff --git a/drivers/gpu/drm/nouveau/nouveau_dma.h b/drivers/gpu/drm/nouveau/nouveau_dma.h
index 47896c407284..f776b6af9640 100644
--- a/drivers/gpu/drm/nouveau/nouveau_dma.h
+++ b/drivers/gpu/drm/nouveau/nouveau_dma.h
@@ -53,6 +53,7 @@ enum {
NvSubCtxSurf2D = 2,
NvSub2D = 3,
NvSubGdiRect = 3,
+ NvSubCopy = 4,
NvSubImageBlit = 4
};
diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c
index 2dd7187b08d3..78fb2cbeea23 100644
--- a/drivers/gpu/drm/nouveau/nouveau_state.c
+++ b/drivers/gpu/drm/nouveau/nouveau_state.c
@@ -657,6 +657,20 @@ nouveau_card_channel_init(struct drm_device *dev)
BEGIN_NVC0(chan, 2, NvSubM2MF, 0x0000, 1);
OUT_RING (chan, 0x00009039);
+ } else
+ if (dev_priv->card_type <= NV_E0) {
+ /* not used, but created to get a graph context */
+ ret = nouveau_gpuobj_gr_new(chan, 0xa040, 0xa040);
+ if (ret)
+ goto error;
+
+ /* bind strange copy engine to subchannel 4 (fixed...) */
+ ret = RING_SPACE(chan, 2);
+ if (ret)
+ goto error;
+
+ BEGIN_NVC0(chan, 2, NvSubCopy, 0x0000, 1);
+ OUT_RING (chan, 0x0000a0b5);
}
FIRE_RING (chan);