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drm/nvc0-/gr: remove reset-after-grctx-construction hack

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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2012-08-05 11:29:10 +10:00
parent 5999933f4d
commit b10f20d590
3 changed files with 9 additions and 34 deletions
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27
drivers/gpu/drm/nouveau/core/engine/graph/ctxnvc0.c
View File

@ -151,29 +151,16 @@ nvc0_grctx_fini(struct nvc0_grctx *info)
struct nvc0_graph_priv *priv = info->priv;
int i;
if (priv->firmware) {
nv_wr32(priv, 0x409840, 0x00000003);
nv_wr32(priv, 0x409500, 0x80000000 | info->chan->addr >> 12);
nv_wr32(priv, 0x409504, 0x00000009);
if (!nv_wait(priv, 0x409800, 0x00000001, 0x00000000)) {
nv_error(priv, "unload_ctx timeout\n");
return -EBUSY;
}
goto save;
}
/* HUB_FUC(CTX_SAVE) */
nv_wr32(priv, 0x409840, 0x80000000);
nv_wr32(priv, 0x409500, 0x80000000 | info->chan->addr >> 12);
nv_wr32(priv, 0x409504, 0x00000002);
if (!nv_wait(priv, 0x409800, 0x80000000, 0x80000000)) {
nv_error(priv, "HUB_CTX_SAVE timeout\n");
nvc0_graph_ctxctl_debug(priv);
/* trigger a context unload by unsetting the "next channel valid" bit
* and faking a context switch interrupt
*/
nv_mask(priv, 0x409b04, 0x80000000, 0x00000000);
nv_wr32(priv, 0x409000, 0x00000100);
if (!nv_wait(priv, 0x409b00, 0x80000000, 0x00000000)) {
nv_error(priv, "grctx template channel unload timeout\n");
return -EBUSY;
}
save:
priv->data = kmalloc(priv->size, GFP_KERNEL);
if (priv->data) {
for (i = 0; i < priv->size; i += 4)

8
drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c
View File

@ -707,8 +707,6 @@ nvc0_graph_init_ctxctl(struct nvc0_graph_priv *priv)
nv_error(priv, "failed to construct context\n");
return ret;
}
return 1;
}
return 0;
@ -720,7 +718,6 @@ nvc0_graph_init(struct nouveau_object *object)
struct nvc0_graph_priv *priv = (void *)object;
int ret;
reset:
ret = nouveau_graph_init(&priv->base);
if (ret)
return ret;
@ -748,11 +745,8 @@ nvc0_graph_init(struct nouveau_object *object)
nv_wr32(priv, 0x400054, 0x34ce3464);
ret = nvc0_graph_init_ctxctl(priv);
if (ret) {
if (ret == 1)
goto reset;
if (ret)
return ret;
}
return 0;
}

8
drivers/gpu/drm/nouveau/core/engine/graph/nve0.c
View File

@ -457,8 +457,6 @@ nve0_graph_init_ctxctl(struct nvc0_graph_priv *priv)
nv_error(priv, "failed to construct context\n");
return ret;
}
return 1;
}
return 0;
@ -470,7 +468,6 @@ nve0_graph_init(struct nouveau_object *object)
struct nvc0_graph_priv *priv = (void *)object;
int ret;
reset:
ret = nouveau_graph_init(&priv->base);
if (ret)
return ret;
@ -496,11 +493,8 @@ nve0_graph_init(struct nouveau_object *object)
nv_wr32(priv, 0x400054, 0x34ce3464);
ret = nve0_graph_init_ctxctl(priv);
if (ret) {
if (ret == 1)
goto reset;
if (ret)
return ret;
}
return 0;
}