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drm/nouveau/ltc: add zbc drivers 

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2014-08-10 04:10:28 +10:00
parent 95484b5726
commit f38fdb6a37
6 changed files with 108 additions and 1 deletions
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7
drivers/gpu/drm/nouveau/core/include/subdev/ltc.h
View File

@ -4,6 +4,8 @@
#include <core/subdev.h>
#include <core/device.h>
#define NOUVEAU_LTC_MAX_ZBC_CNT 16
struct nouveau_mm_node;
struct nouveau_ltc {
@ -13,6 +15,11 @@ struct nouveau_ltc {
struct nouveau_mm_node **);
void (*tags_free)(struct nouveau_ltc *, struct nouveau_mm_node **);
void (*tags_clear)(struct nouveau_ltc *, u32 first, u32 count);
int zbc_min;
int zbc_max;
int (*zbc_color_get)(struct nouveau_ltc *, int index, const u32[4]);
int (*zbc_depth_get)(struct nouveau_ltc *, int index, const u32);
};
static inline struct nouveau_ltc *

46
drivers/gpu/drm/nouveau/core/subdev/ltc/base.c
View File

@ -58,6 +58,45 @@ nvkm_ltc_tags_clear(struct nouveau_ltc *ltc, u32 first, u32 count)
impl->cbc_wait(priv);
}
static int
nvkm_ltc_zbc_color_get(struct nouveau_ltc *ltc, int index, const u32 color[4])
{
const struct nvkm_ltc_impl *impl = (void *)nv_oclass(ltc);
struct nvkm_ltc_priv *priv = (void *)ltc;
memcpy(priv->zbc_color[index], color, sizeof(priv->zbc_color[index]));
impl->zbc_clear_color(priv, index, color);
return index;
}
static int
nvkm_ltc_zbc_depth_get(struct nouveau_ltc *ltc, int index, const u32 depth)
{
const struct nvkm_ltc_impl *impl = (void *)nv_oclass(ltc);
struct nvkm_ltc_priv *priv = (void *)ltc;
priv->zbc_depth[index] = depth;
impl->zbc_clear_depth(priv, index, depth);
return index;
}
int
_nvkm_ltc_init(struct nouveau_object *object)
{
const struct nvkm_ltc_impl *impl = (void *)nv_oclass(object);
struct nvkm_ltc_priv *priv = (void *)object;
int ret, i;
ret = nouveau_subdev_init(&priv->base.base);
if (ret)
return ret;
for (i = priv->base.zbc_min; i <= priv->base.zbc_max; i++) {
impl->zbc_clear_color(priv, i, priv->zbc_color[i]);
impl->zbc_clear_depth(priv, i, priv->zbc_depth[i]);
}
return 0;
}
int
nvkm_ltc_create_(struct nouveau_object *parent, struct nouveau_object *engine,
struct nouveau_oclass *oclass, int length, void **pobject)
@ -72,9 +111,16 @@ nvkm_ltc_create_(struct nouveau_object *parent, struct nouveau_object *engine,
if (ret)
return ret;
memset(priv->zbc_color, 0x00, sizeof(priv->zbc_color));
memset(priv->zbc_depth, 0x00, sizeof(priv->zbc_depth));
priv->base.base.intr = impl->intr;
priv->base.tags_alloc = nvkm_ltc_tags_alloc;
priv->base.tags_free = nvkm_ltc_tags_free;
priv->base.tags_clear = nvkm_ltc_tags_clear;
priv->base.zbc_min = 1; /* reserve 0 for disabled */
priv->base.zbc_max = min(impl->zbc, NOUVEAU_LTC_MAX_ZBC_CNT) - 1;
priv->base.zbc_color_get = nvkm_ltc_zbc_color_get;
priv->base.zbc_depth_get = nvkm_ltc_zbc_depth_get;
return 0;
}

20
drivers/gpu/drm/nouveau/core/subdev/ltc/gf100.c
View File

@ -45,6 +45,23 @@ gf100_ltc_cbc_wait(struct nvkm_ltc_priv *priv)
}
}
void
gf100_ltc_zbc_clear_color(struct nvkm_ltc_priv *priv, int i, const u32 color[4])
{
nv_mask(priv, 0x17ea44, 0x0000000f, i);
nv_wr32(priv, 0x17ea48, color[0]);
nv_wr32(priv, 0x17ea4c, color[1]);
nv_wr32(priv, 0x17ea50, color[2]);
nv_wr32(priv, 0x17ea54, color[3]);
}
void
gf100_ltc_zbc_clear_depth(struct nvkm_ltc_priv *priv, int i, const u32 depth)
{
nv_mask(priv, 0x17ea44, 0x0000000f, i);
nv_wr32(priv, 0x17ea58, depth);
}
static void
gf100_ltc_lts_isr(struct nvkm_ltc_priv *priv, int ltc, int lts)
{
@ -194,4 +211,7 @@ gf100_ltc_oclass = &(struct nvkm_ltc_impl) {
.intr = gf100_ltc_intr,
.cbc_clear = gf100_ltc_cbc_clear,
.cbc_wait = gf100_ltc_cbc_wait,
.zbc = 16,
.zbc_clear_color = gf100_ltc_zbc_clear_color,
.zbc_clear_depth = gf100_ltc_zbc_clear_depth,
}.base;

3
drivers/gpu/drm/nouveau/core/subdev/ltc/gk104.c
View File

@ -52,4 +52,7 @@ gk104_ltc_oclass = &(struct nvkm_ltc_impl) {
.intr = gf100_ltc_intr,
.cbc_clear = gf100_ltc_cbc_clear,
.cbc_wait = gf100_ltc_cbc_wait,
.zbc = 16,
.zbc_clear_color = gf100_ltc_zbc_clear_color,
.zbc_clear_depth = gf100_ltc_zbc_clear_depth,
}.base;

20
drivers/gpu/drm/nouveau/core/subdev/ltc/gm107.c
View File

@ -45,6 +45,23 @@ gm107_ltc_cbc_wait(struct nvkm_ltc_priv *priv)
}
}
static void
gm107_ltc_zbc_clear_color(struct nvkm_ltc_priv *priv, int i, const u32 color[4])
{
nv_mask(priv, 0x17e338, 0x0000000f, i);
nv_wr32(priv, 0x17e33c, color[0]);
nv_wr32(priv, 0x17e340, color[1]);
nv_wr32(priv, 0x17e344, color[2]);
nv_wr32(priv, 0x17e348, color[3]);
}
static void
gm107_ltc_zbc_clear_depth(struct nvkm_ltc_priv *priv, int i, const u32 depth)
{
nv_mask(priv, 0x17e338, 0x0000000f, i);
nv_wr32(priv, 0x17e34c, depth);
}
static void
gm107_ltc_lts_isr(struct nvkm_ltc_priv *priv, int ltc, int lts)
{
@ -134,4 +151,7 @@ gm107_ltc_oclass = &(struct nvkm_ltc_impl) {
.intr = gm107_ltc_intr,
.cbc_clear = gm107_ltc_cbc_clear,
.cbc_wait = gm107_ltc_cbc_wait,
.zbc = 16,
.zbc_clear_color = gm107_ltc_zbc_clear_color,
.zbc_clear_depth = gm107_ltc_zbc_clear_depth,
}.base;

13
drivers/gpu/drm/nouveau/core/subdev/ltc/priv.h
View File

@ -8,10 +8,14 @@ struct nvkm_ltc_priv {
struct nouveau_ltc base;
u32 ltc_nr;
u32 lts_nr;
u32 num_tags;
u32 tag_base;
struct nouveau_mm tags;
struct nouveau_mm_node *tag_ram;
u32 zbc_color[NOUVEAU_LTC_MAX_ZBC_CNT][4];
u32 zbc_depth[NOUVEAU_LTC_MAX_ZBC_CNT];
};
#define nvkm_ltc_create(p,e,o,d) \
@ -33,7 +37,7 @@ int nvkm_ltc_create_(struct nouveau_object *, struct nouveau_object *,
struct nouveau_oclass *, int, void **);
#define _nvkm_ltc_dtor _nouveau_subdev_dtor
#define _nvkm_ltc_init _nouveau_subdev_init
int _nvkm_ltc_init(struct nouveau_object *);
#define _nvkm_ltc_fini _nouveau_subdev_fini
int gf100_ltc_ctor(struct nouveau_object *, struct nouveau_object *,
@ -47,12 +51,19 @@ void gf100_ltc_tags_free(struct nouveau_ltc *, struct nouveau_mm_node **);
struct nvkm_ltc_impl {
struct nouveau_oclass base;
void (*intr)(struct nouveau_subdev *);
void (*cbc_clear)(struct nvkm_ltc_priv *, u32 start, u32 limit);
void (*cbc_wait)(struct nvkm_ltc_priv *);
int zbc;
void (*zbc_clear_color)(struct nvkm_ltc_priv *, int, const u32[4]);
void (*zbc_clear_depth)(struct nvkm_ltc_priv *, int, const u32);
};
void gf100_ltc_intr(struct nouveau_subdev *);
void gf100_ltc_cbc_clear(struct nvkm_ltc_priv *, u32, u32);
void gf100_ltc_cbc_wait(struct nvkm_ltc_priv *);
void gf100_ltc_zbc_clear_color(struct nvkm_ltc_priv *, int, const u32[4]);
void gf100_ltc_zbc_clear_depth(struct nvkm_ltc_priv *, int, const u32);
#endif