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drm/nouveau/fifo/gk104: rename spoon to pbdma, and move detection to oneinit 

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2016-03-11 13:09:28 +10:00
parent 1015d81122
commit 6d39b83f13
2 changed files with 14 additions and 10 deletions
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21
drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c
View File

@ -660,9 +660,15 @@ int
gk104_fifo_oneinit(struct nvkm_fifo *base)
{
struct gk104_fifo *fifo = gk104_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, i;
/* Determine number of PBDMAs by checking valid enable bits. */
nvkm_wr32(device, 0x000204, 0xffffffff);
fifo->pbdma_nr = hweight32(nvkm_rd32(device, 0x000204));
nvkm_debug(subdev, "%d PBDMA(s)\n", fifo->pbdma_nr);
for (i = 0; i < ARRAY_SIZE(fifo->engine); i++) {
ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST,
0x8000, 0x1000, false,
@ -699,24 +705,21 @@ void
gk104_fifo_init(struct nvkm_fifo *base)
{
struct gk104_fifo *fifo = gk104_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;
/* enable all available PBDMA units */
nvkm_wr32(device, 0x000204, 0xffffffff);
fifo->spoon_nr = hweight32(nvkm_rd32(device, 0x000204));
nvkm_debug(subdev, "%d PBDMA unit(s)\n", fifo->spoon_nr);
/* Enable PBDMAs. */
nvkm_wr32(device, 0x000204, (1 << fifo->pbdma_nr) - 1);
/* 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 */
}
/* PBDMA[n].HCE */
for (i = 0; i < fifo->spoon_nr; i++) {
for (i = 0; i < fifo->pbdma_nr; i++) {
nvkm_wr32(device, 0x040148 + (i * 0x2000), 0xffffffff); /* INTR */
nvkm_wr32(device, 0x04014c + (i * 0x2000), 0xffffffff); /* INTREN */
}

3
drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.h
View File

@ -19,12 +19,13 @@ struct gk104_fifo {
struct work_struct fault;
u64 mask;
int pbdma_nr;
struct gk104_fifo_engn engine[7];
struct {
struct nvkm_memory *mem;
struct nvkm_vma bar;
} user;
int spoon_nr;
};
int gk104_fifo_new_(const struct nvkm_fifo_func *, struct nvkm_device *,