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 <[email protected]> --- drm/nouveau/include/nvkm/subdev/ltc.h | 3 +++ drm/nouveau/nvkm/subdev/ltc/base.c | 14 ++++++++++++++ drm/nouveau/nvkm/subdev/ltc/priv.h | 3 +++ 3 files changed, 20 insertions(+) diff --git a/drm/nouveau/include/nvkm/subdev/ltc.h b/drm/nouveau/include/nvkm/subdev/ltc.h index c773b5e958b4..5464fcf482f1 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 930d25b6e63c..85b1464c0194 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 4e05037cc99f..6f66bd03f829 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 *); -- 2.5.1 _______________________________________________ Nouveau mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/nouveau
