Commit 2703c21a authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nv50/gr: move to exec engine interfaces



This needs a massive cleanup, but to catch bugs from the interface changes
vs the engine code cleanup, this will be done later.

Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 6dfdd7a6
......@@ -304,7 +304,8 @@ nouveau_channel_put_unlocked(struct nouveau_channel **pchan)
/* destroy the engine specific contexts */
pfifo->destroy_context(chan);
pgraph->destroy_context(chan);
if (pgraph->destroy_context)
pgraph->destroy_context(chan);
for (i = 0; i < NVOBJ_ENGINE_NR; i++) {
if (chan->engctx[i])
dev_priv->eng[i]->context_del(chan, i);
......
......@@ -217,7 +217,8 @@ nouveau_pci_suspend(struct pci_dev *pdev, pm_message_t pm_state)
pfifo->reassign(dev, false);
pfifo->disable(dev);
pfifo->unload_context(dev);
pgraph->unload_context(dev);
if (pgraph->unload_context)
pgraph->unload_context(dev);
ret = pinstmem->suspend(dev);
if (ret) {
......
......@@ -1189,18 +1189,8 @@ extern void nv40_grctx_init(struct nouveau_grctx *);
extern void nv40_graph_set_tile_region(struct drm_device *dev, int i);
/* nv50_graph.c */
extern int nv50_graph_init(struct drm_device *);
extern void nv50_graph_takedown(struct drm_device *);
extern void nv50_graph_fifo_access(struct drm_device *, bool);
extern struct nouveau_channel *nv50_graph_channel(struct drm_device *);
extern int nv50_graph_create_context(struct nouveau_channel *);
extern void nv50_graph_destroy_context(struct nouveau_channel *);
extern int nv50_graph_load_context(struct nouveau_channel *);
extern int nv50_graph_unload_context(struct drm_device *);
extern int nv50_graph_object_new(struct nouveau_channel *, u32, u16);
extern int nv50_graph_create(struct drm_device *);
extern int nv50_grctx_init(struct nouveau_grctx *);
extern void nv50_graph_tlb_flush(struct drm_device *dev);
extern void nv84_graph_tlb_flush(struct drm_device *dev);
extern struct nouveau_enum nv50_data_error_names[];
/* nvc0_graph.c */
......
......@@ -636,18 +636,20 @@ nouveau_gpuobj_gr_new(struct nouveau_channel *chan, u32 handle, int class)
return -EINVAL;
found:
switch (oc->engine) {
case NVOBJ_ENGINE_SW:
return nouveau_gpuobj_sw_new(chan, handle, class);
case NVOBJ_ENGINE_GR:
if ((dev_priv->card_type >= NV_20 && !chan->ramin_grctx) ||
(dev_priv->card_type < NV_20 && !chan->pgraph_ctx)) {
ret = pgraph->create_context(chan);
if (ret)
return ret;
}
if (!dev_priv->eng[oc->engine]) {
switch (oc->engine) {
case NVOBJ_ENGINE_SW:
return nouveau_gpuobj_sw_new(chan, handle, class);
case NVOBJ_ENGINE_GR:
if ((dev_priv->card_type >= NV_20 && !chan->ramin_grctx) ||
(dev_priv->card_type < NV_20 && !chan->pgraph_ctx)) {
ret = pgraph->create_context(chan);
if (ret)
return ret;
}
return pgraph->object_new(chan, handle, class);
return pgraph->object_new(chan, handle, class);
}
}
if (!chan->engctx[oc->engine]) {
......
......@@ -363,20 +363,10 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev)
engine->timer.takedown = nv04_timer_takedown;
engine->fb.init = nv50_fb_init;
engine->fb.takedown = nv50_fb_takedown;
engine->graph.init = nv50_graph_init;
engine->graph.takedown = nv50_graph_takedown;
engine->graph.fifo_access = nv50_graph_fifo_access;
engine->graph.channel = nv50_graph_channel;
engine->graph.create_context = nv50_graph_create_context;
engine->graph.destroy_context = nv50_graph_destroy_context;
engine->graph.load_context = nv50_graph_load_context;
engine->graph.unload_context = nv50_graph_unload_context;
engine->graph.object_new = nv50_graph_object_new;
if (dev_priv->chipset == 0x50 ||
dev_priv->chipset == 0xac)
engine->graph.tlb_flush = nv50_graph_tlb_flush;
else
engine->graph.tlb_flush = nv84_graph_tlb_flush;
engine->graph.init = nouveau_stub_init;
engine->graph.takedown = nouveau_stub_takedown;
engine->graph.fifo_access = nvc0_graph_fifo_access;
engine->graph.channel = nvc0_graph_channel;
engine->fifo.channels = 128;
engine->fifo.init = nv50_fifo_init;
engine->fifo.takedown = nv50_fifo_takedown;
......@@ -635,6 +625,9 @@ nouveau_card_init(struct drm_device *dev)
if (ret)
goto out_timer;
if (dev_priv->card_type == NV_50)
nv50_graph_create(dev);
switch (dev_priv->chipset) {
case 0x84:
case 0x86:
......@@ -712,8 +705,10 @@ out_graph:
out_engine:
if (!nouveau_noaccel) {
for (e = e - 1; e >= 0; e--) {
if (!dev_priv->eng[e])
continue;
dev_priv->eng[e]->fini(dev, e);
dev_priv->eng[e]->destroy(dev, e);
dev_priv->eng[e]->destroy(dev,e );
}
}
......
......@@ -53,7 +53,6 @@ struct nouveau_vm {
int refcount;
struct list_head pgd_list;
atomic_t pgraph_refs;
atomic_t engref[16];
struct nouveau_vm_pgt *pgt;
......
......@@ -34,8 +34,92 @@
#include "nouveau_ramht.h"
#include "nv50_evo.h"
static int nv50_graph_register(struct drm_device *);
static void nv50_graph_isr(struct drm_device *);
struct nv50_graph_engine {
struct nouveau_exec_engine base;
u32 ctxprog[512];
u32 ctxprog_size;
u32 grctx_size;
};
static void
nv50_graph_fifo_access(struct drm_device *dev, bool enabled)
{
const uint32_t mask = 0x00010001;
if (enabled)
nv_wr32(dev, 0x400500, nv_rd32(dev, 0x400500) | mask);
else
nv_wr32(dev, 0x400500, nv_rd32(dev, 0x400500) & ~mask);
}
static struct nouveau_channel *
nv50_graph_channel(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
uint32_t inst;
int i;
/* Be sure we're not in the middle of a context switch or bad things
* will happen, such as unloading the wrong pgraph context.
*/
if (!nv_wait(dev, 0x400300, 0x00000001, 0x00000000))
NV_ERROR(dev, "Ctxprog is still running\n");
inst = nv_rd32(dev, NV50_PGRAPH_CTXCTL_CUR);
if (!(inst & NV50_PGRAPH_CTXCTL_CUR_LOADED))
return NULL;
inst = (inst & NV50_PGRAPH_CTXCTL_CUR_INSTANCE) << 12;
for (i = 0; i < dev_priv->engine.fifo.channels; i++) {
struct nouveau_channel *chan = dev_priv->channels.ptr[i];
if (chan && chan->ramin && chan->ramin->vinst == inst)
return chan;
}
return NULL;
}
static int
nv50_graph_do_load_context(struct drm_device *dev, uint32_t inst)
{
uint32_t fifo = nv_rd32(dev, 0x400500);
nv_wr32(dev, 0x400500, fifo & ~1);
nv_wr32(dev, 0x400784, inst);
nv_wr32(dev, 0x400824, nv_rd32(dev, 0x400824) | 0x40);
nv_wr32(dev, 0x400320, nv_rd32(dev, 0x400320) | 0x11);
nv_wr32(dev, 0x400040, 0xffffffff);
(void)nv_rd32(dev, 0x400040);
nv_wr32(dev, 0x400040, 0x00000000);
nv_wr32(dev, 0x400304, nv_rd32(dev, 0x400304) | 1);
if (nouveau_wait_for_idle(dev))
nv_wr32(dev, 0x40032c, inst | (1<<31));
nv_wr32(dev, 0x400500, fifo);
return 0;
}
static int
nv50_graph_unload_context(struct drm_device *dev)
{
uint32_t inst;
inst = nv_rd32(dev, NV50_PGRAPH_CTXCTL_CUR);
if (!(inst & NV50_PGRAPH_CTXCTL_CUR_LOADED))
return 0;
inst &= NV50_PGRAPH_CTXCTL_CUR_INSTANCE;
nouveau_wait_for_idle(dev);
nv_wr32(dev, 0x400784, inst);
nv_wr32(dev, 0x400824, nv_rd32(dev, 0x400824) | 0x20);
nv_wr32(dev, 0x400304, nv_rd32(dev, 0x400304) | 0x01);
nouveau_wait_for_idle(dev);
nv_wr32(dev, NV50_PGRAPH_CTXCTL_CUR, inst);
return 0;
}
static void
nv50_graph_init_reset(struct drm_device *dev)
......@@ -53,7 +137,6 @@ nv50_graph_init_intr(struct drm_device *dev)
{
NV_DEBUG(dev, "\n");
nouveau_irq_register(dev, 12, nv50_graph_isr);
nv_wr32(dev, NV03_PGRAPH_INTR, 0xffffffff);
nv_wr32(dev, 0x400138, 0xffffffff);
nv_wr32(dev, NV40_PGRAPH_INTR_EN, 0xffffffff);
......@@ -136,34 +219,14 @@ nv50_graph_init_zcull(struct drm_device *dev)
static int
nv50_graph_init_ctxctl(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_grctx ctx = {};
uint32_t *cp;
struct nv50_graph_engine *pgraph = nv_engine(dev, NVOBJ_ENGINE_GR);
int i;
NV_DEBUG(dev, "\n");
cp = kmalloc(512 * 4, GFP_KERNEL);
if (!cp) {
NV_ERROR(dev, "failed to allocate ctxprog\n");
dev_priv->engine.graph.accel_blocked = true;
return 0;
}
ctx.dev = dev;
ctx.mode = NOUVEAU_GRCTX_PROG;
ctx.data = cp;
ctx.ctxprog_max = 512;
if (!nv50_grctx_init(&ctx)) {
dev_priv->engine.graph.grctx_size = ctx.ctxvals_pos * 4;
nv_wr32(dev, NV40_PGRAPH_CTXCTL_UCODE_INDEX, 0);
for (i = 0; i < ctx.ctxprog_len; i++)
nv_wr32(dev, NV40_PGRAPH_CTXCTL_UCODE_DATA, cp[i]);
} else {
dev_priv->engine.graph.accel_blocked = true;
}
kfree(cp);
nv_wr32(dev, NV40_PGRAPH_CTXCTL_UCODE_INDEX, 0);
for (i = 0; i < pgraph->ctxprog_size; i++)
nv_wr32(dev, NV40_PGRAPH_CTXCTL_UCODE_DATA, pgraph->ctxprog[i]);
nv_wr32(dev, 0x40008c, 0x00000004); /* HW_CTX_SWITCH_ENABLED */
nv_wr32(dev, 0x400320, 4);
......@@ -172,8 +235,8 @@ nv50_graph_init_ctxctl(struct drm_device *dev)
return 0;
}
int
nv50_graph_init(struct drm_device *dev)
static int
nv50_graph_init(struct drm_device *dev, int engine)
{
int ret;
......@@ -187,105 +250,66 @@ nv50_graph_init(struct drm_device *dev)
if (ret)
return ret;
ret = nv50_graph_register(dev);
if (ret)
return ret;
nv50_graph_init_intr(dev);
return 0;
}
void
nv50_graph_takedown(struct drm_device *dev)
static int
nv50_graph_fini(struct drm_device *dev, int engine)
{
NV_DEBUG(dev, "\n");
nv50_graph_unload_context(dev);
nv_wr32(dev, 0x40013c, 0x00000000);
nouveau_irq_unregister(dev, 12);
}
void
nv50_graph_fifo_access(struct drm_device *dev, bool enabled)
{
const uint32_t mask = 0x00010001;
if (enabled)
nv_wr32(dev, 0x400500, nv_rd32(dev, 0x400500) | mask);
else
nv_wr32(dev, 0x400500, nv_rd32(dev, 0x400500) & ~mask);
}
struct nouveau_channel *
nv50_graph_channel(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
uint32_t inst;
int i;
/* Be sure we're not in the middle of a context switch or bad things
* will happen, such as unloading the wrong pgraph context.
*/
if (!nv_wait(dev, 0x400300, 0x00000001, 0x00000000))
NV_ERROR(dev, "Ctxprog is still running\n");
inst = nv_rd32(dev, NV50_PGRAPH_CTXCTL_CUR);
if (!(inst & NV50_PGRAPH_CTXCTL_CUR_LOADED))
return NULL;
inst = (inst & NV50_PGRAPH_CTXCTL_CUR_INSTANCE) << 12;
for (i = 0; i < dev_priv->engine.fifo.channels; i++) {
struct nouveau_channel *chan = dev_priv->channels.ptr[i];
if (chan && chan->ramin && chan->ramin->vinst == inst)
return chan;
}
return NULL;
return 0;
}
int
nv50_graph_create_context(struct nouveau_channel *chan)
static int
nv50_graph_context_new(struct nouveau_channel *chan, int engine)
{
struct drm_device *dev = chan->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_gpuobj *ramin = chan->ramin;
struct nouveau_pgraph_engine *pgraph = &dev_priv->engine.graph;
struct nouveau_gpuobj *grctx = NULL;
struct nv50_graph_engine *pgraph = nv_engine(dev, engine);
struct nouveau_grctx ctx = {};
int hdr, ret;
NV_DEBUG(dev, "ch%d\n", chan->id);
ret = nouveau_gpuobj_new(dev, chan, pgraph->grctx_size, 0,
ret = nouveau_gpuobj_new(dev, NULL, pgraph->grctx_size, 0,
NVOBJ_FLAG_ZERO_ALLOC |
NVOBJ_FLAG_ZERO_FREE, &chan->ramin_grctx);
NVOBJ_FLAG_ZERO_FREE, &grctx);
if (ret)
return ret;
hdr = (dev_priv->chipset == 0x50) ? 0x200 : 0x20;
nv_wo32(ramin, hdr + 0x00, 0x00190002);
nv_wo32(ramin, hdr + 0x04, chan->ramin_grctx->vinst +
pgraph->grctx_size - 1);
nv_wo32(ramin, hdr + 0x08, chan->ramin_grctx->vinst);
nv_wo32(ramin, hdr + 0x04, grctx->vinst + grctx->size - 1);
nv_wo32(ramin, hdr + 0x08, grctx->vinst);
nv_wo32(ramin, hdr + 0x0c, 0);
nv_wo32(ramin, hdr + 0x10, 0);
nv_wo32(ramin, hdr + 0x14, 0x00010000);
ctx.dev = chan->dev;
ctx.mode = NOUVEAU_GRCTX_VALS;
ctx.data = chan->ramin_grctx;
ctx.data = grctx;
nv50_grctx_init(&ctx);
nv_wo32(chan->ramin_grctx, 0x00000, chan->ramin->vinst >> 12);
nv_wo32(grctx, 0x00000, chan->ramin->vinst >> 12);
dev_priv->engine.instmem.flush(dev);
atomic_inc(&chan->vm->pgraph_refs);
atomic_inc(&chan->vm->engref[NVOBJ_ENGINE_GR]);
chan->engctx[NVOBJ_ENGINE_GR] = grctx;
return 0;
}
void
nv50_graph_destroy_context(struct nouveau_channel *chan)
static void
nv50_graph_context_del(struct nouveau_channel *chan, int engine)
{
struct nouveau_gpuobj *grctx = chan->engctx[engine];
struct drm_device *dev = chan->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_pgraph_engine *pgraph = &dev_priv->engine.graph;
struct nouveau_fifo_engine *pfifo = &dev_priv->engine.fifo;
int i, hdr = (dev_priv->chipset == 0x50) ? 0x200 : 0x20;
unsigned long flags;
......@@ -297,76 +321,28 @@ nv50_graph_destroy_context(struct nouveau_channel *chan)
spin_lock_irqsave(&dev_priv->context_switch_lock, flags);
pfifo->reassign(dev, false);
pgraph->fifo_access(dev, false);
nv50_graph_fifo_access(dev, false);
if (pgraph->channel(dev) == chan)
pgraph->unload_context(dev);
if (nv50_graph_channel(dev) == chan)
nv50_graph_unload_context(dev);
for (i = hdr; i < hdr + 24; i += 4)
nv_wo32(chan->ramin, i, 0);
dev_priv->engine.instmem.flush(dev);
pgraph->fifo_access(dev, true);
nv50_graph_fifo_access(dev, true);
pfifo->reassign(dev, true);
spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags);
nouveau_gpuobj_ref(NULL, &chan->ramin_grctx);
nouveau_gpuobj_ref(NULL, &grctx);
atomic_dec(&chan->vm->pgraph_refs);
atomic_dec(&chan->vm->engref[engine]);
chan->engctx[engine] = NULL;
}
static int
nv50_graph_do_load_context(struct drm_device *dev, uint32_t inst)
{
uint32_t fifo = nv_rd32(dev, 0x400500);
nv_wr32(dev, 0x400500, fifo & ~1);
nv_wr32(dev, 0x400784, inst);
nv_wr32(dev, 0x400824, nv_rd32(dev, 0x400824) | 0x40);
nv_wr32(dev, 0x400320, nv_rd32(dev, 0x400320) | 0x11);
nv_wr32(dev, 0x400040, 0xffffffff);
(void)nv_rd32(dev, 0x400040);
nv_wr32(dev, 0x400040, 0x00000000);
nv_wr32(dev, 0x400304, nv_rd32(dev, 0x400304) | 1);
if (nouveau_wait_for_idle(dev))
nv_wr32(dev, 0x40032c, inst | (1<<31));
nv_wr32(dev, 0x400500, fifo);
return 0;
}
int
nv50_graph_load_context(struct nouveau_channel *chan)
{
uint32_t inst = chan->ramin->vinst >> 12;
NV_DEBUG(chan->dev, "ch%d\n", chan->id);
return nv50_graph_do_load_context(chan->dev, inst);
}
int
nv50_graph_unload_context(struct drm_device *dev)
{
uint32_t inst;
inst = nv_rd32(dev, NV50_PGRAPH_CTXCTL_CUR);
if (!(inst & NV50_PGRAPH_CTXCTL_CUR_LOADED))
return 0;
inst &= NV50_PGRAPH_CTXCTL_CUR_INSTANCE;
nouveau_wait_for_idle(dev);
nv_wr32(dev, 0x400784, inst);
nv_wr32(dev, 0x400824, nv_rd32(dev, 0x400824) | 0x20);
nv_wr32(dev, 0x400304, nv_rd32(dev, 0x400304) | 0x01);
nouveau_wait_for_idle(dev);
nv_wr32(dev, NV50_PGRAPH_CTXCTL_CUR, inst);
return 0;
}
int
nv50_graph_object_new(struct nouveau_channel *chan, u32 handle, u16 class)
nv50_graph_object_new(struct nouveau_channel *chan, int engine,
u32 handle, u16 class)
{
struct drm_device *dev = chan->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
......@@ -468,68 +444,15 @@ nv50_graph_nvsw_mthd_page_flip(struct nouveau_channel *chan,
return 0;
}
static int
nv50_graph_register(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
if (dev_priv->engine.graph.registered)
return 0;
NVOBJ_CLASS(dev, 0x506e, SW); /* nvsw */
NVOBJ_MTHD (dev, 0x506e, 0x018c, nv50_graph_nvsw_dma_vblsem);
NVOBJ_MTHD (dev, 0x506e, 0x0400, nv50_graph_nvsw_vblsem_offset);
NVOBJ_MTHD (dev, 0x506e, 0x0404, nv50_graph_nvsw_vblsem_release_val);
NVOBJ_MTHD (dev, 0x506e, 0x0408, nv50_graph_nvsw_vblsem_release);
NVOBJ_MTHD (dev, 0x506e, 0x0500, nv50_graph_nvsw_mthd_page_flip);
NVOBJ_CLASS(dev, 0x0030, GR); /* null */
NVOBJ_CLASS(dev, 0x5039, GR); /* m2mf */
NVOBJ_CLASS(dev, 0x502d, GR); /* 2d */
/* tesla */
if (dev_priv->chipset == 0x50)
NVOBJ_CLASS(dev, 0x5097, GR); /* tesla (nv50) */
else
if (dev_priv->chipset < 0xa0)
NVOBJ_CLASS(dev, 0x8297, GR); /* tesla (nv8x/nv9x) */
else {
switch (dev_priv->chipset) {
case 0xa0:
case 0xaa:
case 0xac:
NVOBJ_CLASS(dev, 0x8397, GR);
break;
case 0xa3:
case 0xa5:
case 0xa8:
NVOBJ_CLASS(dev, 0x8597, GR);
break;
case 0xaf:
NVOBJ_CLASS(dev, 0x8697, GR);
break;
}
}
/* compute */
NVOBJ_CLASS(dev, 0x50c0, GR);
if (dev_priv->chipset > 0xa0 &&
dev_priv->chipset != 0xaa &&
dev_priv->chipset != 0xac)
NVOBJ_CLASS(dev, 0x85c0, GR);
dev_priv->engine.graph.registered = true;
return 0;
}
void
nv50_graph_tlb_flush(struct drm_device *dev)
static void
nv50_graph_tlb_flush(struct drm_device *dev, int engine)
{
nv50_vm_flush_engine(dev, 0);
}
void
nv84_graph_tlb_flush(struct drm_device *dev)
static void
nv84_graph_tlb_flush(struct drm_device *dev, int engine)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_timer_engine *ptimer = &dev_priv->engine.timer;
......@@ -1098,3 +1021,102 @@ nv50_graph_isr(struct drm_device *dev)
if (nv_rd32(dev, 0x400824) & (1 << 31))
nv_wr32(dev, 0x400824, nv_rd32(dev, 0x400824) & ~(1 << 31));
}
static void
nv50_graph_destroy(struct drm_device *dev, int engine)
{
struct nv50_graph_engine *pgraph = nv_engine(dev, engine);
NVOBJ_ENGINE_DEL(dev, GR);
nouveau_irq_unregister(dev, 12);
kfree(pgraph);
}
int
nv50_graph_create(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nv50_graph_engine *pgraph;
struct nouveau_grctx ctx = {};
int ret;
pgraph = kzalloc(sizeof(*pgraph),GFP_KERNEL);
if (!pgraph)
return -ENOMEM;
ctx.dev = dev;
ctx.mode = NOUVEAU_GRCTX_PROG;
ctx.data = pgraph->ctxprog;