diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2013-05-14 01:37:18 (GMT) |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2013-05-20 03:24:06 (GMT) |
| commit | 49debbe4540efd08b4e9a1c499dce392a43bf1ed (patch) | |
| tree | fe91eb893dc14e271b6580c854edf18fabece806 | |
| parent | 6d5f83834dc2b064b8c1202ea281820286b675a8 (diff) | |
| download | linux-49debbe4540efd08b4e9a1c499dce392a43bf1ed.tar.xz | |
drm/nvc0/ltcg: fix handling of disabled partitions
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/ltcg/nvc0.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/ltcg/nvc0.c b/drivers/gpu/drm/nouveau/core/subdev/ltcg/nvc0.c index e4940fb..7c6194f 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/ltcg/nvc0.c +++ b/drivers/gpu/drm/nouveau/core/subdev/ltcg/nvc0.c @@ -29,7 +29,6 @@ struct nvc0_ltcg_priv { struct nouveau_ltcg base; u32 part_nr; - u32 part_mask; u32 subp_nr; struct nouveau_mm tags; u32 num_tags; @@ -105,8 +104,6 @@ nvc0_ltcg_tags_clear(struct nouveau_ltcg *ltcg, u32 first, u32 count) /* wait until it's finished with clearing */ for (p = 0; p < priv->part_nr; ++p) { - if (!(priv->part_mask & (1 << p))) - continue; for (i = 0; i < priv->subp_nr; ++i) nv_wait(priv, 0x1410c8 + p * 0x2000 + i * 0x400, ~0, 0); } @@ -167,16 +164,20 @@ nvc0_ltcg_ctor(struct nouveau_object *parent, struct nouveau_object *engine, { struct nvc0_ltcg_priv *priv; struct nouveau_fb *pfb = nouveau_fb(parent); - int ret; + u32 parts, mask; + int ret, i; ret = nouveau_ltcg_create(parent, engine, oclass, &priv); *pobject = nv_object(priv); if (ret) return ret; - priv->part_nr = nv_rd32(priv, 0x022438); - priv->part_mask = nv_rd32(priv, 0x022554); - + parts = nv_rd32(priv, 0x022438); + mask = nv_rd32(priv, 0x022554); + for (i = 0; i < parts; i++) { + if (!(mask & (1 << i))) + priv->part_nr++; + } priv->subp_nr = nv_rd32(priv, 0x17e8dc) >> 28; nv_mask(priv, 0x17e820, 0x00100000, 0x00000000); /* INTR_EN &= ~0x10 */ |