redonkable/alistair23-linux
redonkable/alistair23-linux
1
0
Fork 0
Code Releases Activity

drm/nouveau/fifo/gf100: rename spooon to pbdma, and move detection to oneinit

Browse source 
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2016-03-11 13:09:28 +10:00
parent 786656295b
commit adbe24a21e
2 changed files with 17 additions and 12 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

26
drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c
View file

@ -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);
/* Enable PBDMAs. */
nvkm_wr32(device, 0x000204, (1 << fifo->pbdma_nr) - 1);
nvkm_wr32(device, 0x002204, (1 << fifo->pbdma_nr) - 1);
fifo->spoon_nr = hweight32(nvkm_rd32(device, 0x002204));
nvkm_debug(subdev, "%d PBDMA unit(s)\n", fifo->spoon_nr);
/* 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 */

3
drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.h
View file

@ -14,6 +14,8 @@ struct gf100_fifo {
struct work_struct fault;
u64 mask;
int pbdma_nr;
struct {
struct nvkm_memory *mem[2];
int active;
@ -24,7 +26,6 @@ struct gf100_fifo {
struct nvkm_memory *mem;
struct nvkm_vma bar;
} user;
int spoon_nr;
};
void gf100_fifo_intr_engine(struct gf100_fifo *);