diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/ltc/gf100.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/ltc/gf100.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/gf100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/gf100.c index 45ac765b753e..fb0de83da13c 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/gf100.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/gf100.c @@ -122,6 +122,36 @@ gf100_ltc_intr(struct nvkm_ltc *ltc) } } +void +gf100_ltc_invalidate(struct nvkm_ltc *ltc) +{ + struct nvkm_device *device = ltc->subdev.device; + s64 taken; + + nvkm_wr32(device, 0x70004, 0x00000001); + taken = nvkm_wait_msec(device, 2, 0x70004, 0x00000003, 0x00000000); + if (taken < 0) + nvkm_warn(<c->subdev, "LTC invalidate timeout\n"); + + if (taken > 0) + nvkm_debug(<c->subdev, "LTC invalidate took %lld ns\n", taken); +} + +void +gf100_ltc_flush(struct nvkm_ltc *ltc) +{ + struct nvkm_device *device = ltc->subdev.device; + s64 taken; + + nvkm_wr32(device, 0x70010, 0x00000001); + taken = nvkm_wait_msec(device, 2, 0x70010, 0x00000003, 0x00000000); + if (taken < 0) + nvkm_warn(<c->subdev, "LTC flush timeout\n"); + + if (taken > 0) + nvkm_debug(<c->subdev, "LTC flush took %lld ns\n", taken); +} + /* TODO: Figure out tag memory details and drop the over-cautious allocation. */ int @@ -215,6 +245,8 @@ gf100_ltc = { .zbc = 16, .zbc_clear_color = gf100_ltc_zbc_clear_color, .zbc_clear_depth = gf100_ltc_zbc_clear_depth, + .invalidate = gf100_ltc_invalidate, + .flush = gf100_ltc_flush, }; int |