diff options
| author | Alexandre Courbot <acourbot@nvidia.com> | 2015-09-03 17:48:14 +0900 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2015-10-12 13:08:19 +1000 |
| commit | a7aa9789f4b15bba6415ecf0164a42ac293e0efa (patch) | |
| tree | 98449c21395ef2241c04e63700470e74a1aa6ec9 | |
| parent | 657ad697dbda03018f062fc593265229e64d9d64 (diff) | |
| download | nouveau-a7aa9789f4b15bba6415ecf0164a42ac293e0efa.tar.gz | |
ltc: add hooks for invalidate and flush
These are useful for systems without a coherent CPU/GPU bus. For such
systems we may need to maintain the L2 ourselves.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
| -rw-r--r-- | drm/nouveau/include/nvkm/subdev/ltc.h | 3 | ||||
| -rw-r--r-- | drm/nouveau/nvkm/subdev/ltc/base.c | 14 | ||||
| -rw-r--r-- | drm/nouveau/nvkm/subdev/ltc/priv.h | 3 |
3 files changed, 20 insertions, 0 deletions
diff --git a/drm/nouveau/include/nvkm/subdev/ltc.h b/drm/nouveau/include/nvkm/subdev/ltc.h index c773b5e95..5464fcf48 100644 --- a/drm/nouveau/include/nvkm/subdev/ltc.h +++ b/drm/nouveau/include/nvkm/subdev/ltc.h @@ -30,6 +30,9 @@ void nvkm_ltc_tags_clear(struct nvkm_ltc *, u32 first, u32 count); int nvkm_ltc_zbc_color_get(struct nvkm_ltc *, int index, const u32[4]); int nvkm_ltc_zbc_depth_get(struct nvkm_ltc *, int index, const u32); +void nvkm_ltc_invalidate(struct nvkm_ltc *); +void nvkm_ltc_flush(struct nvkm_ltc *); + int gf100_ltc_new(struct nvkm_device *, int, struct nvkm_ltc **); int gk104_ltc_new(struct nvkm_device *, int, struct nvkm_ltc **); int gm107_ltc_new(struct nvkm_device *, int, struct nvkm_ltc **); diff --git a/drm/nouveau/nvkm/subdev/ltc/base.c b/drm/nouveau/nvkm/subdev/ltc/base.c index 930d25b6e..85b1464c0 100644 --- a/drm/nouveau/nvkm/subdev/ltc/base.c +++ b/drm/nouveau/nvkm/subdev/ltc/base.c @@ -67,6 +67,20 @@ nvkm_ltc_zbc_depth_get(struct nvkm_ltc *ltc, int index, const u32 depth) return index; } +void +nvkm_ltc_invalidate(struct nvkm_ltc *ltc) +{ + if (ltc->func->invalidate) + ltc->func->invalidate(ltc); +} + +void +nvkm_ltc_flush(struct nvkm_ltc *ltc) +{ + if (ltc->func->flush) + ltc->func->flush(ltc); +} + static void nvkm_ltc_intr(struct nvkm_subdev *subdev) { diff --git a/drm/nouveau/nvkm/subdev/ltc/priv.h b/drm/nouveau/nvkm/subdev/ltc/priv.h index 4e05037cc..6f66bd03f 100644 --- a/drm/nouveau/nvkm/subdev/ltc/priv.h +++ b/drm/nouveau/nvkm/subdev/ltc/priv.h @@ -17,6 +17,9 @@ struct nvkm_ltc_func { int zbc; void (*zbc_clear_color)(struct nvkm_ltc *, int, const u32[4]); void (*zbc_clear_depth)(struct nvkm_ltc *, int, const u32); + + void (*invalidate)(struct nvkm_ltc *); + void (*flush)(struct nvkm_ltc *); }; int gf100_ltc_oneinit(struct nvkm_ltc *); |