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drm/nouveau/fifo/gk104: cosmetic engine->runlist changes

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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs
2016-03-11 13:09:28 +10:00
parent acdf7d4f7e
commit 69aa40e276
4 changed files with 50 additions and 48 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/nouveau/nvkm/engine/fifo/changk104.h
View File

@@ -7,7 +7,7 @@
struct gk104_fifo_chan {
struct nvkm_fifo_chan base;
struct gk104_fifo *fifo;
int engine;
int runl;
struct list_head head;
bool killed;

67
drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c
View File

@@ -47,38 +47,41 @@ gk104_fifo_uevent_init(struct nvkm_fifo *fifo)
}
void
gk104_fifo_runlist_commit(struct gk104_fifo *fifo, u32 engine)
gk104_fifo_runlist_commit(struct gk104_fifo *fifo, int runl)
{
struct gk104_fifo_engn *engn = &fifo->engine[engine];
struct gk104_fifo_chan *chan;
struct nvkm_subdev *subdev = &fifo->base.engine.subdev;
struct nvkm_device *device = subdev->device;
struct nvkm_memory *cur;
struct nvkm_memory *mem;
int nr = 0;
int target;
mutex_lock(&subdev->mutex);
cur = engn->runlist[engn->cur_runlist];
engn->cur_runlist = !engn->cur_runlist;
mem = fifo->runlist[runl].mem[fifo->runlist[runl].next];
fifo->runlist[runl].next = !fifo->runlist[runl].next;
nvkm_kmap(cur);
list_for_each_entry(chan, &engn->chan, head) {
nvkm_wo32(cur, (nr * 8) + 0, chan->base.chid);
nvkm_wo32(cur, (nr * 8) + 4, 0x00000000);
nvkm_kmap(mem);
list_for_each_entry(chan, &fifo->runlist[runl].chan, head) {
nvkm_wo32(mem, (nr * 8) + 0, chan->base.chid);
nvkm_wo32(mem, (nr * 8) + 4, 0x00000000);
nr++;
}
nvkm_done(cur);
nvkm_done(mem);
target = (nvkm_memory_target(cur) == NVKM_MEM_TARGET_HOST) ? 0x3 : 0x0;
if (nvkm_memory_target(mem) == NVKM_MEM_TARGET_VRAM)
target = 0;
else
target = 3;
nvkm_wr32(device, 0x002270, (nvkm_memory_addr(cur) >> 12) |
nvkm_wr32(device, 0x002270, (nvkm_memory_addr(mem) >> 12) |
(target << 28));
nvkm_wr32(device, 0x002274, (engine << 20) | nr);
nvkm_wr32(device, 0x002274, (runl << 20) | nr);
if (wait_event_timeout(engn->wait, !(nvkm_rd32(device, 0x002284 +
(engine * 0x08)) & 0x00100000),
msecs_to_jiffies(2000)) == 0)
nvkm_error(subdev, "runlist %d update timeout\n", engine);
if (wait_event_timeout(fifo->runlist[runl].wait,
!(nvkm_rd32(device, 0x002284 + (runl * 0x08))
& 0x00100000),
msecs_to_jiffies(2000)) == 0)
nvkm_error(subdev, "runlist %d update timeout\n", runl);
mutex_unlock(&subdev->mutex);
}
@@ -94,7 +97,7 @@ void
gk104_fifo_runlist_insert(struct gk104_fifo *fifo, struct gk104_fifo_chan *chan)
{
mutex_lock(&fifo->base.engine.subdev.mutex);
list_add_tail(&chan->head, &fifo->engine[chan->engine].chan);
list_add_tail(&chan->head, &fifo->runlist[chan->runl].chan);
mutex_unlock(&fifo->base.engine.subdev.mutex);
}
@@ -199,7 +202,7 @@ gk104_fifo_intr_sched_ctxsw(struct gk104_fifo *fifo)
u32 engn;
spin_lock_irqsave(&fifo->base.lock, flags);
for (engn = 0; engn < ARRAY_SIZE(fifo->engine); engn++) {
for (engn = 0; engn < ARRAY_SIZE(fifo->runlist); engn++) {
u32 stat = nvkm_rd32(device, 0x002640 + (engn * 0x08));
u32 busy = (stat & 0x80000000);
u32 next = (stat & 0x0fff0000) >> 16;
@@ -211,7 +214,7 @@ gk104_fifo_intr_sched_ctxsw(struct gk104_fifo *fifo)
(void)save;
if (busy && chsw) {
list_for_each_entry(chan, &fifo->engine[engn].chan, head) {
list_for_each_entry(chan, &fifo->runlist[engn].chan, head) {
if (chan->base.chid == chid) {
engine = gk104_fifo_engine(fifo, engn);
if (!engine)
@@ -541,10 +544,10 @@ gk104_fifo_intr_runlist(struct gk104_fifo *fifo)
struct nvkm_device *device = fifo->base.engine.subdev.device;
u32 mask = nvkm_rd32(device, 0x002a00);
while (mask) {
u32 engn = __ffs(mask);
wake_up(&fifo->engine[engn].wait);
nvkm_wr32(device, 0x002a00, 1 << engn);
mask &= ~(1 << engn);
int runl = __ffs(mask);
wake_up(&fifo->runlist[runl].wait);
nvkm_wr32(device, 0x002a00, 1 << runl);
mask &= ~(1 << runl);
}
}
@@ -669,21 +672,21 @@ gk104_fifo_oneinit(struct nvkm_fifo *base)
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++) {
for (i = 0; i < ARRAY_SIZE(fifo->runlist); i++) {
ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST,
0x8000, 0x1000, false,
&fifo->engine[i].runlist[0]);
&fifo->runlist[i].mem[0]);
if (ret)
return ret;
ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST,
0x8000, 0x1000, false,
&fifo->engine[i].runlist[1]);
&fifo->runlist[i].mem[1]);
if (ret)
return ret;
init_waitqueue_head(&fifo->engine[i].wait);
INIT_LIST_HEAD(&fifo->engine[i].chan);
init_waitqueue_head(&fifo->runlist[i].wait);
INIT_LIST_HEAD(&fifo->runlist[i].chan);
}
ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST,
@@ -739,9 +742,9 @@ gk104_fifo_dtor(struct nvkm_fifo *base)
nvkm_vm_put(&fifo->user.bar);
nvkm_memory_del(&fifo->user.mem);
for (i = 0; i < ARRAY_SIZE(fifo->engine); i++) {
nvkm_memory_del(&fifo->engine[i].runlist[1]);
nvkm_memory_del(&fifo->engine[i].runlist[0]);
for (i = 0; i < ARRAY_SIZE(fifo->runlist); i++) {
nvkm_memory_del(&fifo->runlist[i].mem[1]);
nvkm_memory_del(&fifo->runlist[i].mem[0]);
}
return fifo;

17
drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.h
View File

@@ -6,13 +6,6 @@
#include <subdev/mmu.h>
struct gk104_fifo_chan;
struct gk104_fifo_engn {
struct nvkm_memory *runlist[2];
int cur_runlist;
wait_queue_head_t wait;
struct list_head chan;
};
struct gk104_fifo {
struct nvkm_fifo base;
@@ -23,7 +16,13 @@ struct gk104_fifo {
int pbdma_nr;
struct gk104_fifo_engn engine[7];
struct {
struct nvkm_memory *mem[2];
int next;
wait_queue_head_t wait;
struct list_head chan;
} runlist[7];
struct {
struct nvkm_memory *mem;
struct nvkm_vma bar;
@@ -41,7 +40,7 @@ void gk104_fifo_uevent_init(struct nvkm_fifo *);
void gk104_fifo_uevent_fini(struct nvkm_fifo *);
void gk104_fifo_runlist_insert(struct gk104_fifo *, struct gk104_fifo_chan *);
void gk104_fifo_runlist_remove(struct gk104_fifo *, struct gk104_fifo_chan *);
void gk104_fifo_runlist_commit(struct gk104_fifo *, u32 engine);
void gk104_fifo_runlist_commit(struct gk104_fifo *, int runl);
static inline u64
gk104_fifo_engine_subdev(int engine)

12
drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c
View File

@@ -155,7 +155,7 @@ gk104_fifo_gpfifo_fini(struct nvkm_fifo_chan *base)
gk104_fifo_runlist_remove(fifo, chan);
nvkm_mask(device, 0x800004 + coff, 0x00000800, 0x00000800);
gk104_fifo_gpfifo_kick(chan);
gk104_fifo_runlist_commit(fifo, chan->engine);
gk104_fifo_runlist_commit(fifo, chan->runl);
}
nvkm_wr32(device, 0x800000 + coff, 0x00000000);
@@ -170,13 +170,13 @@ gk104_fifo_gpfifo_init(struct nvkm_fifo_chan *base)
u32 addr = chan->base.inst->addr >> 12;
u32 coff = chan->base.chid * 8;
nvkm_mask(device, 0x800004 + coff, 0x000f0000, chan->engine << 16);
nvkm_mask(device, 0x800004 + coff, 0x000f0000, chan->runl << 16);
nvkm_wr32(device, 0x800000 + coff, 0x80000000 | addr);
if (list_empty(&chan->head) && !chan->killed) {
gk104_fifo_runlist_insert(fifo, chan);
nvkm_mask(device, 0x800004 + coff, 0x00000400, 0x00000400);
gk104_fifo_runlist_commit(fifo, chan->engine);
gk104_fifo_runlist_commit(fifo, chan->runl);
nvkm_mask(device, 0x800004 + coff, 0x00000400, 0x00000400);
}
}
@@ -227,7 +227,7 @@ gk104_fifo_gpfifo_new(struct nvkm_fifo *base, const struct nvkm_oclass *oclass,
return ret;
/* determine which downstream engines are present */
for (i = 0, engines = 0; i < ARRAY_SIZE(fifo->engine); i++) {
for (i = 0, engines = 0; i < ARRAY_SIZE(fifo->runlist); i++) {
u64 subdevs = gk104_fifo_engine_subdev(i);
if (!nvkm_device_engine(device, __ffs64(subdevs)))
continue;
@@ -255,12 +255,12 @@ gk104_fifo_gpfifo_new(struct nvkm_fifo *base, const struct nvkm_oclass *oclass,
return -ENOMEM;
*pobject = &chan->base.object;
chan->fifo = fifo;
chan->engine = __ffs(args->v0.engine);
chan->runl = __ffs(args->v0.engine);
INIT_LIST_HEAD(&chan->head);
ret = nvkm_fifo_chan_ctor(&gk104_fifo_gpfifo_func, &fifo->base,
0x1000, 0x1000, true, args->v0.vm, 0,
gk104_fifo_engine_subdev(chan->engine),
gk104_fifo_engine_subdev(chan->runl),
1, fifo->user.bar.offset, 0x200,
oclass, &chan->base);
if (ret)