diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2016-03-11 13:09:28 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2016-03-14 10:13:37 +1000 |
| commit | adbe24a21eb7433496b5225fa37a3ded5d2fde97 (patch) | |
| tree | 903cf76e5f58a22c328a44708240b6f94634e387 /drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c | |
| parent | 786656295b318b5894d71d9c0b153b6c17e26f15 (diff) | |
drm/nouveau/fifo/gf100: rename spooon to pbdma, and move detection to oneinit
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c index 3cac5ebd0a4b..97d0ca6b4be6 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c @@ -548,9 +548,16 @@ static int gf100_fifo_oneinit(struct nvkm_fifo *base) { struct gf100_fifo *fifo = gf100_fifo(base); - struct nvkm_device *device = fifo->base.engine.subdev.device; + struct nvkm_subdev *subdev = &fifo->base.engine.subdev; + struct nvkm_device *device = subdev->device; int ret; + /* Determine number of PBDMAs by checking valid enable bits. */ + nvkm_wr32(device, 0x002204, 0xffffffff); + fifo->pbdma_nr = hweight32(nvkm_rd32(device, 0x002204)); + nvkm_debug(subdev, "%d PBDMA(s)\n", fifo->pbdma_nr); + + ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, 0x1000, 0x1000, false, &fifo->runlist.mem[0]); if (ret) @@ -587,18 +594,15 @@ static void gf100_fifo_init(struct nvkm_fifo *base) { struct gf100_fifo *fifo = gf100_fifo(base); - struct nvkm_subdev *subdev = &fifo->base.engine.subdev; - struct nvkm_device *device = subdev->device; + struct nvkm_device *device = fifo->base.engine.subdev.device; int i; - nvkm_wr32(device, 0x000204, 0xffffffff); - nvkm_wr32(device, 0x002204, 0xffffffff); - - fifo->spoon_nr = hweight32(nvkm_rd32(device, 0x002204)); - nvkm_debug(subdev, "%d PBDMA unit(s)\n", fifo->spoon_nr); + /* Enable PBDMAs. */ + nvkm_wr32(device, 0x000204, (1 << fifo->pbdma_nr) - 1); + nvkm_wr32(device, 0x002204, (1 << fifo->pbdma_nr) - 1); - /* assign engines to PBDMAs */ - if (fifo->spoon_nr >= 3) { + /* Assign engines to PBDMAs. */ + if (fifo->pbdma_nr >= 3) { nvkm_wr32(device, 0x002208, ~(1 << 0)); /* PGRAPH */ nvkm_wr32(device, 0x00220c, ~(1 << 1)); /* PVP */ nvkm_wr32(device, 0x002210, ~(1 << 1)); /* PMSPP */ @@ -608,7 +612,7 @@ gf100_fifo_init(struct nvkm_fifo *base) } /* PBDMA[n] */ - for (i = 0; i < fifo->spoon_nr; i++) { + for (i = 0; i < fifo->pbdma_nr; i++) { nvkm_mask(device, 0x04013c + (i * 0x2000), 0x10000100, 0x00000000); nvkm_wr32(device, 0x040108 + (i * 0x2000), 0xffffffff); /* INTR */ nvkm_wr32(device, 0x04010c + (i * 0x2000), 0xfffffeff); /* INTREN */ |