Skip to content

L
linux
Commit f6bad8ab authored by Ben Skeggs's avatar Ben Skeggs
Browse files
Options

drm/gm107/ltcg: initial implementation 

Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 6bd9293e
Show whitespace changes
Inline Side-by-side
Showing with 231 additions and 75 deletions
drivers/gpu/drm/nouveau/Makefile
View file @ f6bad8ab
......@@ -139,7 +139,8 @@ nouveau-y += core/subdev/instmem/base.o
nouveau-y += core/subdev/instmem/nv04.o
nouveau-y += core/subdev/instmem/nv40.o
nouveau-y += core/subdev/instmem/nv50.o
nouveau-y += core/subdev/ltcg/nvc0.o
nouveau-y += core/subdev/ltcg/gf100.o
nouveau-y += core/subdev/ltcg/gm107.o
nouveau-y += core/subdev/mc/base.o
nouveau-y += core/subdev/mc/nv04.o
nouveau-y += core/subdev/mc/nv40.o
......
drivers/gpu/drm/nouveau/core/engine/device/nvc0.c
View file @ f6bad8ab
......@@ -70,7 +70,7 @@ nvc0_identify(struct nouveau_device *device)
device->oclass[NVDEV_SUBDEV_BUS ] = nvc0_bus_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_FB ] = nvc0_fb_oclass;
device->oclass[NVDEV_SUBDEV_LTCG ] = &nvc0_ltcg_oclass;
device->oclass[NVDEV_SUBDEV_LTCG ] = gf100_ltcg_oclass;
device->oclass[NVDEV_SUBDEV_IBUS ] = &nvc0_ibus_oclass;
device->oclass[NVDEV_SUBDEV_INSTMEM] = nv50_instmem_oclass;
device->oclass[NVDEV_SUBDEV_VM ] = &nvc0_vmmgr_oclass;
......@@ -102,7 +102,7 @@ nvc0_identify(struct nouveau_device *device)
device->oclass[NVDEV_SUBDEV_BUS ] = nvc0_bus_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_FB ] = nvc0_fb_oclass;
device->oclass[NVDEV_SUBDEV_LTCG ] = &nvc0_ltcg_oclass;
device->oclass[NVDEV_SUBDEV_LTCG ] = gf100_ltcg_oclass;
device->oclass[NVDEV_SUBDEV_IBUS ] = &nvc0_ibus_oclass;
device->oclass[NVDEV_SUBDEV_INSTMEM] = nv50_instmem_oclass;
device->oclass[NVDEV_SUBDEV_VM ] = &nvc0_vmmgr_oclass;
......@@ -134,7 +134,7 @@ nvc0_identify(struct nouveau_device *device)
device->oclass[NVDEV_SUBDEV_BUS ] = nvc0_bus_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_FB ] = nvc0_fb_oclass;
device->oclass[NVDEV_SUBDEV_LTCG ] = &nvc0_ltcg_oclass;
device->oclass[NVDEV_SUBDEV_LTCG ] = gf100_ltcg_oclass;
device->oclass[NVDEV_SUBDEV_IBUS ] = &nvc0_ibus_oclass;
device->oclass[NVDEV_SUBDEV_INSTMEM] = nv50_instmem_oclass;
device->oclass[NVDEV_SUBDEV_VM ] = &nvc0_vmmgr_oclass;
......@@ -165,7 +165,7 @@ nvc0_identify(struct nouveau_device *device)
device->oclass[NVDEV_SUBDEV_BUS ] = nvc0_bus_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_FB ] = nvc0_fb_oclass;
device->oclass[NVDEV_SUBDEV_LTCG ] = &nvc0_ltcg_oclass;
device->oclass[NVDEV_SUBDEV_LTCG ] = gf100_ltcg_oclass;
device->oclass[NVDEV_SUBDEV_IBUS ] = &nvc0_ibus_oclass;
device->oclass[NVDEV_SUBDEV_INSTMEM] = nv50_instmem_oclass;
device->oclass[NVDEV_SUBDEV_VM ] = &nvc0_vmmgr_oclass;
......@@ -197,7 +197,7 @@ nvc0_identify(struct nouveau_device *device)
device->oclass[NVDEV_SUBDEV_BUS ] = nvc0_bus_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_FB ] = nvc0_fb_oclass;
device->oclass[NVDEV_SUBDEV_LTCG ] = &nvc0_ltcg_oclass;
device->oclass[NVDEV_SUBDEV_LTCG ] = gf100_ltcg_oclass;
device->oclass[NVDEV_SUBDEV_IBUS ] = &nvc0_ibus_oclass;
device->oclass[NVDEV_SUBDEV_INSTMEM] = nv50_instmem_oclass;
device->oclass[NVDEV_SUBDEV_VM ] = &nvc0_vmmgr_oclass;
......@@ -229,7 +229,7 @@ nvc0_identify(struct nouveau_device *device)
device->oclass[NVDEV_SUBDEV_BUS ] = nvc0_bus_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_FB ] = nvc0_fb_oclass;
device->oclass[NVDEV_SUBDEV_LTCG ] = &nvc0_ltcg_oclass;
device->oclass[NVDEV_SUBDEV_LTCG ] = gf100_ltcg_oclass;
device->oclass[NVDEV_SUBDEV_IBUS ] = &nvc0_ibus_oclass;
device->oclass[NVDEV_SUBDEV_INSTMEM] = nv50_instmem_oclass;
device->oclass[NVDEV_SUBDEV_VM ] = &nvc0_vmmgr_oclass;
......@@ -260,7 +260,7 @@ nvc0_identify(struct nouveau_device *device)
device->oclass[NVDEV_SUBDEV_BUS ] = nvc0_bus_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_FB ] = nvc0_fb_oclass;
device->oclass[NVDEV_SUBDEV_LTCG ] = &nvc0_ltcg_oclass;
device->oclass[NVDEV_SUBDEV_LTCG ] = gf100_ltcg_oclass;
device->oclass[NVDEV_SUBDEV_IBUS ] = &nvc0_ibus_oclass;
device->oclass[NVDEV_SUBDEV_INSTMEM] = nv50_instmem_oclass;
device->oclass[NVDEV_SUBDEV_VM ] = &nvc0_vmmgr_oclass;
......@@ -292,7 +292,7 @@ nvc0_identify(struct nouveau_device *device)
device->oclass[NVDEV_SUBDEV_BUS ] = nvc0_bus_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_FB ] = nvc0_fb_oclass;
device->oclass[NVDEV_SUBDEV_LTCG ] = &nvc0_ltcg_oclass;
device->oclass[NVDEV_SUBDEV_LTCG ] = gf100_ltcg_oclass;
device->oclass[NVDEV_SUBDEV_IBUS ] = &nvc0_ibus_oclass;
device->oclass[NVDEV_SUBDEV_INSTMEM] = nv50_instmem_oclass;
device->oclass[NVDEV_SUBDEV_VM ] = &nvc0_vmmgr_oclass;
......@@ -323,7 +323,7 @@ nvc0_identify(struct nouveau_device *device)
device->oclass[NVDEV_SUBDEV_BUS ] = nvc0_bus_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_FB ] = nvc0_fb_oclass;
device->oclass[NVDEV_SUBDEV_LTCG ] = &nvc0_ltcg_oclass;
device->oclass[NVDEV_SUBDEV_LTCG ] = gf100_ltcg_oclass;
device->oclass[NVDEV_SUBDEV_IBUS ] = &nvc0_ibus_oclass;
device->oclass[NVDEV_SUBDEV_INSTMEM] = nv50_instmem_oclass;
device->oclass[NVDEV_SUBDEV_VM ] = &nvc0_vmmgr_oclass;
......
drivers/gpu/drm/nouveau/core/engine/device/nve0.c
View file @ f6bad8ab
......@@ -70,7 +70,7 @@ nve0_identify(struct nouveau_device *device)
device->oclass[NVDEV_SUBDEV_BUS ] = nvc0_bus_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_FB ] = nve0_fb_oclass;
device->oclass[NVDEV_SUBDEV_LTCG ] = &nvc0_ltcg_oclass;
device->oclass[NVDEV_SUBDEV_LTCG ] = gf100_ltcg_oclass;
device->oclass[NVDEV_SUBDEV_IBUS ] = &nve0_ibus_oclass;
device->oclass[NVDEV_SUBDEV_INSTMEM] = nv50_instmem_oclass;
device->oclass[NVDEV_SUBDEV_VM ] = &nvc0_vmmgr_oclass;
......@@ -103,7 +103,7 @@ nve0_identify(struct nouveau_device *device)
device->oclass[NVDEV_SUBDEV_BUS ] = nvc0_bus_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_FB ] = nve0_fb_oclass;
device->oclass[NVDEV_SUBDEV_LTCG ] = &nvc0_ltcg_oclass;
device->oclass[NVDEV_SUBDEV_LTCG ] = gf100_ltcg_oclass;
device->oclass[NVDEV_SUBDEV_IBUS ] = &nve0_ibus_oclass;
device->oclass[NVDEV_SUBDEV_INSTMEM] = nv50_instmem_oclass;
device->oclass[NVDEV_SUBDEV_VM ] = &nvc0_vmmgr_oclass;
......@@ -136,7 +136,7 @@ nve0_identify(struct nouveau_device *device)
device->oclass[NVDEV_SUBDEV_BUS ] = nvc0_bus_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_FB ] = nve0_fb_oclass;
device->oclass[NVDEV_SUBDEV_LTCG ] = &nvc0_ltcg_oclass;
device->oclass[NVDEV_SUBDEV_LTCG ] = gf100_ltcg_oclass;
device->oclass[NVDEV_SUBDEV_IBUS ] = &nve0_ibus_oclass;
device->oclass[NVDEV_SUBDEV_INSTMEM] = nv50_instmem_oclass;
device->oclass[NVDEV_SUBDEV_VM ] = &nvc0_vmmgr_oclass;
......@@ -169,7 +169,7 @@ nve0_identify(struct nouveau_device *device)
device->oclass[NVDEV_SUBDEV_BUS ] = nvc0_bus_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_FB ] = nve0_fb_oclass;
device->oclass[NVDEV_SUBDEV_LTCG ] = &nvc0_ltcg_oclass;
device->oclass[NVDEV_SUBDEV_LTCG ] = gf100_ltcg_oclass;
device->oclass[NVDEV_SUBDEV_IBUS ] = &nve0_ibus_oclass;
device->oclass[NVDEV_SUBDEV_INSTMEM] = nv50_instmem_oclass;
device->oclass[NVDEV_SUBDEV_VM ] = &nvc0_vmmgr_oclass;
......@@ -204,7 +204,7 @@ nve0_identify(struct nouveau_device *device)
device->oclass[NVDEV_SUBDEV_BUS ] = nvc0_bus_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_FB ] = nve0_fb_oclass;
device->oclass[NVDEV_SUBDEV_LTCG ] = &nvc0_ltcg_oclass;
device->oclass[NVDEV_SUBDEV_LTCG ] = gf100_ltcg_oclass;
device->oclass[NVDEV_SUBDEV_IBUS ] = &nve0_ibus_oclass;
device->oclass[NVDEV_SUBDEV_INSTMEM] = nv50_instmem_oclass;
device->oclass[NVDEV_SUBDEV_VM ] = &nvc0_vmmgr_oclass;
......
drivers/gpu/drm/nouveau/core/include/subdev/ltcg.h
View file @ f6bad8ab
......@@ -35,6 +35,7 @@ nouveau_ltcg(void *obj)
#define _nouveau_ltcg_init _nouveau_subdev_init
#define _nouveau_ltcg_fini _nouveau_subdev_fini
extern struct nouveau_oclass nvc0_ltcg_oclass;
extern struct nouveau_oclass *gf100_ltcg_oclass;
extern struct nouveau_oclass *gm107_ltcg_oclass;
#endif
drivers/gpu/drm/nouveau/core/subdev/ltcg/nvc0.c → drivers/gpu/drm/nouveau/core/subdev/ltcg/gf100.c
View file @ f6bad8ab
......@@ -22,44 +22,35 @@
* Authors: Ben Skeggs
*/
#include <subdev/ltcg.h>
#include <subdev/fb.h>
#include <subdev/timer.h>
struct nvc0_ltcg_priv {
struct nouveau_ltcg base;
u32 part_nr;
u32 subp_nr;
u32 num_tags;
u32 tag_base;
struct nouveau_mm tags;
struct nouveau_mm_node *tag_ram;
};
#include "gf100.h"
static void
nvc0_ltcg_subp_isr(struct nvc0_ltcg_priv *priv, int unit, int subp)
gf100_ltcg_lts_isr(struct gf100_ltcg_priv *priv, int ltc, int lts)
{
u32 subp_base = 0x141000 + (unit * 0x2000) + (subp * 0x400);
u32 stat = nv_rd32(priv, subp_base + 0x020);
u32 base = 0x141000 + (ltc * 0x2000) + (lts * 0x400);
u32 stat = nv_rd32(priv, base + 0x020);
if (stat) {
nv_info(priv, "LTC%d_LTS%d: 0x%08x\n", unit, subp, stat);
nv_wr32(priv, subp_base + 0x020, stat);
nv_info(priv, "LTC%d_LTS%d: 0x%08x\n", ltc, lts, stat);
nv_wr32(priv, base + 0x020, stat);
}
}
static void
nvc0_ltcg_intr(struct nouveau_subdev *subdev)
gf100_ltcg_intr(struct nouveau_subdev *subdev)
{
struct nvc0_ltcg_priv *priv = (void *)subdev;
u32 units;
units = nv_rd32(priv, 0x00017c);
while (units) {
u32 subp, unit = ffs(units) - 1;
for (subp = 0; subp < priv->subp_nr; subp++)
nvc0_ltcg_subp_isr(priv, unit, subp);
units &= ~(1 << unit);
struct gf100_ltcg_priv *priv = (void *)subdev;
u32 mask;
mask = nv_rd32(priv, 0x00017c);
while (mask) {
u32 lts, ltc = __ffs(mask);
for (lts = 0; lts < priv->lts_nr; lts++)
gf100_ltcg_lts_isr(priv, ltc, lts);
mask &= ~(1 << ltc);
}
/* we do something horribly wrong and upset PMFB a lot, so mask off
......@@ -68,11 +59,11 @@ nvc0_ltcg_intr(struct nouveau_subdev *subdev)
nv_mask(priv, 0x000640, 0x02000000, 0x00000000);
}
static int
nvc0_ltcg_tags_alloc(struct nouveau_ltcg *ltcg, u32 n,
int
gf100_ltcg_tags_alloc(struct nouveau_ltcg *ltcg, u32 n,
struct nouveau_mm_node **pnode)
{
struct nvc0_ltcg_priv *priv = (struct nvc0_ltcg_priv *)ltcg;
struct gf100_ltcg_priv *priv = (struct gf100_ltcg_priv *)ltcg;
int ret;
ret = nouveau_mm_head(&priv->tags, 1, n, n, 1, pnode);
......@@ -82,18 +73,18 @@ nvc0_ltcg_tags_alloc(struct nouveau_ltcg *ltcg, u32 n,
return ret;
}
static void
nvc0_ltcg_tags_free(struct nouveau_ltcg *ltcg, struct nouveau_mm_node **pnode)
void
gf100_ltcg_tags_free(struct nouveau_ltcg *ltcg, struct nouveau_mm_node **pnode)
{
struct nvc0_ltcg_priv *priv = (struct nvc0_ltcg_priv *)ltcg;
struct gf100_ltcg_priv *priv = (struct gf100_ltcg_priv *)ltcg;
nouveau_mm_free(&priv->tags, pnode);
}
static void
nvc0_ltcg_tags_clear(struct nouveau_ltcg *ltcg, u32 first, u32 count)
gf100_ltcg_tags_clear(struct nouveau_ltcg *ltcg, u32 first, u32 count)
{
struct nvc0_ltcg_priv *priv = (struct nvc0_ltcg_priv *)ltcg;
struct gf100_ltcg_priv *priv = (struct gf100_ltcg_priv *)ltcg;
u32 last = first + count - 1;
int p, i;
......@@ -104,16 +95,16 @@ nvc0_ltcg_tags_clear(struct nouveau_ltcg *ltcg, u32 first, u32 count)
nv_wr32(priv, 0x17e8c8, 0x4); /* trigger clear */
/* wait until it's finished with clearing */
for (p = 0; p < priv->part_nr; ++p) {
for (i = 0; i < priv->subp_nr; ++i)
for (p = 0; p < priv->ltc_nr; ++p) {
for (i = 0; i < priv->lts_nr; ++i)
nv_wait(priv, 0x1410c8 + p * 0x2000 + i * 0x400, ~0, 0);
}
}
/* TODO: Figure out tag memory details and drop the over-cautious allocation.
*/
static int
nvc0_ltcg_init_tag_ram(struct nouveau_fb *pfb, struct nvc0_ltcg_priv *priv)
int
gf100_ltcg_init_tag_ram(struct nouveau_fb *pfb, struct gf100_ltcg_priv *priv)
{
u32 tag_size, tag_margin, tag_align;
int ret;
......@@ -124,7 +115,7 @@ nvc0_ltcg_init_tag_ram(struct nouveau_fb *pfb, struct nvc0_ltcg_priv *priv)
priv->num_tags = 1 << 17; /* we have 17 bits in PTE */
priv->num_tags = (priv->num_tags + 63) & ~63; /* round up to 64 */
tag_align = priv->part_nr * 0x800;
tag_align = priv->ltc_nr * 0x800;
tag_margin = (tag_align < 0x6000) ? 0x6000 : tag_align;
/* 4 part 4 sub: 0x2000 bytes for 56 tags */
......@@ -157,11 +148,11 @@ nvc0_ltcg_init_tag_ram(struct nouveau_fb *pfb, struct nvc0_ltcg_priv *priv)
}
static int
nvc0_ltcg_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
gf100_ltcg_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
struct nouveau_oclass *oclass, void *data, u32 size,
struct nouveau_object **pobject)
{
struct nvc0_ltcg_priv *priv;
struct gf100_ltcg_priv *priv;
struct nouveau_fb *pfb = nouveau_fb(parent);
u32 parts, mask;
int ret, i;
......@@ -175,27 +166,27 @@ nvc0_ltcg_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
mask = nv_rd32(priv, 0x022554);
for (i = 0; i < parts; i++) {
if (!(mask & (1 << i)))
priv->part_nr++;
priv->ltc_nr++;
}
priv->subp_nr = nv_rd32(priv, 0x17e8dc) >> 28;
priv->lts_nr = nv_rd32(priv, 0x17e8dc) >> 28;
ret = nvc0_ltcg_init_tag_ram(pfb, priv);
ret = gf100_ltcg_init_tag_ram(pfb, priv);
if (ret)
return ret;
priv->base.tags_alloc = nvc0_ltcg_tags_alloc;
priv->base.tags_free = nvc0_ltcg_tags_free;
priv->base.tags_clear = nvc0_ltcg_tags_clear;
priv->base.tags_alloc = gf100_ltcg_tags_alloc;
priv->base.tags_free = gf100_ltcg_tags_free;
priv->base.tags_clear = gf100_ltcg_tags_clear;
nv_subdev(priv)->intr = nvc0_ltcg_intr;
nv_subdev(priv)->intr = gf100_ltcg_intr;
return 0;
}
static void
nvc0_ltcg_dtor(struct nouveau_object *object)
void
gf100_ltcg_dtor(struct nouveau_object *object)
{
struct nouveau_ltcg *ltcg = (struct nouveau_ltcg *)object;
struct nvc0_ltcg_priv *priv = (struct nvc0_ltcg_priv *)ltcg;
struct gf100_ltcg_priv *priv = (struct gf100_ltcg_priv *)ltcg;
struct nouveau_fb *pfb = nouveau_fb(ltcg->base.base.parent);
nouveau_mm_fini(&priv->tags);
......@@ -205,10 +196,10 @@ nvc0_ltcg_dtor(struct nouveau_object *object)
}
static int
nvc0_ltcg_init(struct nouveau_object *object)
gf100_ltcg_init(struct nouveau_object *object)
{
struct nouveau_ltcg *ltcg = (struct nouveau_ltcg *)object;
struct nvc0_ltcg_priv *priv = (struct nvc0_ltcg_priv *)ltcg;
struct gf100_ltcg_priv *priv = (struct gf100_ltcg_priv *)ltcg;
int ret;
ret = nouveau_ltcg_init(ltcg);
......@@ -216,20 +207,20 @@ nvc0_ltcg_init(struct nouveau_object *object)
return ret;
nv_mask(priv, 0x17e820, 0x00100000, 0x00000000); /* INTR_EN &= ~0x10 */
nv_wr32(priv, 0x17e8d8, priv->part_nr);
nv_wr32(priv, 0x17e8d8, priv->ltc_nr);
if (nv_device(ltcg)->card_type >= NV_E0)
nv_wr32(priv, 0x17e000, priv->part_nr);
nv_wr32(priv, 0x17e000, priv->ltc_nr);
nv_wr32(priv, 0x17e8d4, priv->tag_base);
return 0;
}
struct nouveau_oclass
nvc0_ltcg_oclass = {
struct nouveau_oclass *
gf100_ltcg_oclass = &(struct nouveau_oclass) {
.handle = NV_SUBDEV(LTCG, 0xc0),
.ofuncs = &(struct nouveau_ofuncs) {
.ctor = nvc0_ltcg_ctor,
.dtor = nvc0_ltcg_dtor,
.init = nvc0_ltcg_init,
.ctor = gf100_ltcg_ctor,
.dtor = gf100_ltcg_dtor,
.init = gf100_ltcg_init,
.fini = _nouveau_ltcg_fini,
},
};
drivers/gpu/drm/nouveau/core/subdev/ltcg/gf100.h 0 → 100644
View file @ f6bad8ab
#ifndef __NVKM_LTCG_PRIV_GF100_H__
#define __NVKM_LTCG_PRIV_GF100_H__
#include <subdev/ltcg.h>
struct gf100_ltcg_priv {
struct nouveau_ltcg base;
u32 ltc_nr;
u32 lts_nr;
u32 num_tags;
u32 tag_base;
struct nouveau_mm tags;
struct nouveau_mm_node *tag_ram;
};
void gf100_ltcg_dtor(struct nouveau_object *);
int gf100_ltcg_init_tag_ram(struct nouveau_fb *, struct gf100_ltcg_priv *);
int gf100_ltcg_tags_alloc(struct nouveau_ltcg *, u32, struct nouveau_mm_node **);
void gf100_ltcg_tags_free(struct nouveau_ltcg *, struct nouveau_mm_node **);
#endif
drivers/gpu/drm/nouveau/core/subdev/ltcg/gm107.c 0 → 100644
View file @ f6bad8ab
/*
* Copyright 2014 Red Hat Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: Ben Skeggs
*/
#include <subdev/fb.h>
#include <subdev/timer.h>
#include "gf100.h"
static void
gm107_ltcg_lts_isr(struct gf100_ltcg_priv *priv, int ltc, int lts)
{
u32 base = 0x140000 + (ltc * 0x2000) + (lts * 0x400);
u32 stat = nv_rd32(priv, base + 0x00c);
if (stat) {
nv_info(priv, "LTC%d_LTS%d: 0x%08x\n", ltc, lts, stat);
nv_wr32(priv, base + 0x00c, stat);
}
}
static void
gm107_ltcg_intr(struct nouveau_subdev *subdev)
{
struct gf100_ltcg_priv *priv = (void *)subdev;
u32 mask;
mask = nv_rd32(priv, 0x00017c);
while (mask) {
u32 lts, ltc = __ffs(mask);
for (lts = 0; lts < priv->lts_nr; lts++)
gm107_ltcg_lts_isr(priv, ltc, lts);
mask &= ~(1 << ltc);
}
/* we do something horribly wrong and upset PMFB a lot, so mask off
* interrupts from it after the first one until it's fixed
*/
nv_mask(priv, 0x000640, 0x02000000, 0x00000000);
}
static void
gm107_ltcg_tags_clear(struct nouveau_ltcg *ltcg, u32 first, u32 count)
{
struct gf100_ltcg_priv *priv = (struct gf100_ltcg_priv *)ltcg;
u32 last = first + count - 1;
int p, i;
BUG_ON((first > last) || (last >= priv->num_tags));
nv_wr32(priv, 0x17e270, first);
nv_wr32(priv, 0x17e274, last);
nv_wr32(priv, 0x17e26c, 0x4); /* trigger clear */
/* wait until it's finished with clearing */
for (p = 0; p < priv->ltc_nr; ++p) {
for (i = 0; i < priv->lts_nr; ++i)
nv_wait(priv, 0x14046c + p * 0x2000 + i * 0x200, ~0, 0);
}
}
static int
gm107_ltcg_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
struct nouveau_oclass *oclass, void *data, u32 size,
struct nouveau_object **pobject)
{
struct gf100_ltcg_priv *priv;
struct nouveau_fb *pfb = nouveau_fb(parent);
u32 parts, mask;
int ret, i;
ret = nouveau_ltcg_create(parent, engine, oclass, &priv);
*pobject = nv_object(priv);
if (ret)
return ret;
parts = nv_rd32(priv, 0x022438);
mask = nv_rd32(priv, 0x021c14);
for (i = 0; i < parts; i++) {
if (!(mask & (1 << i)))
priv->ltc_nr++;
}
priv->lts_nr = nv_rd32(priv, 0x17e280) >> 28;
ret = gf100_ltcg_init_tag_ram(pfb, priv);
if (ret)
return ret;
priv->base.tags_alloc = gf100_ltcg_tags_alloc;
priv->base.tags_free = gf100_ltcg_tags_free;
priv->base.tags_clear = gm107_ltcg_tags_clear;
nv_subdev(priv)->intr = gm107_ltcg_intr;
return 0;
}
static int
gm107_ltcg_init(struct nouveau_object *object)
{
struct nouveau_ltcg *ltcg = (struct nouveau_ltcg *)object;
struct gf100_ltcg_priv *priv = (struct gf100_ltcg_priv *)ltcg;
int ret;
ret = nouveau_ltcg_init(ltcg);
if (ret)
return ret;
nv_wr32(priv, 0x17e27c, priv->ltc_nr);
nv_wr32(priv, 0x17e278, priv->tag_base);
return 0;
}
struct nouveau_oclass *
gm107_ltcg_oclass = &(struct nouveau_oclass) {
.handle = NV_SUBDEV(LTCG, 0xff),
.ofuncs = &(struct nouveau_ofuncs) {
.ctor = gm107_ltcg_ctor,
.dtor = gf100_ltcg_dtor,
.init = gm107_ltcg_init,
.fini = _nouveau_ltcg_fini,
},
};
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7