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| author |   Alexandre Courbot <acourbot@nvidia.com> | 2015-09-03 17:48:14 +0900 |
|---|---|---|
| committer |   Ben Skeggs <bskeggs@redhat.com> | 2015-11-03 15:02:18 +1000 |
| commit | 38a8fc78d00749328888bb0e37ad93535e7e9992 (patch) | |
| tree | 95b0ffc4e00b5bd5638cabd740443240bc9b85a7 /drivers/gpu/drm/nouveau/nvkm/subdev/ltc | |
| parent | drm/nouveau/timer: re-introduce nvkm_wait_xsec macros (diff) | |
| download | linux-dev-38a8fc78d00749328888bb0e37ad93535e7e9992.tar.xz linux-dev-38a8fc78d00749328888bb0e37ad93535e7e9992.zip | |
drm/nouveau/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>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/ltc')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/ltc/base.c | 14 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/ltc/priv.h | 3 |
2 files changed, 17 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/base.c index 930d25b6e63c..85b1464c0194 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/base.c +++ b/drivers/gpu/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/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/priv.h index 4e05037cc99f..6f66bd03f829 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/priv.h +++ b/drivers/gpu/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 *); |