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-rw-r--r--drivers/gpu/drm/nouveau/include/nvkm/subdev/bar.h2
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/bar/base.c16
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/bar/g84.c2
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.c19
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.h2
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c15
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.h1
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/bar/priv.h2
8 files changed, 42 insertions, 17 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bar.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bar.h
index d3071b5a4f98..eb9ad379f9e1 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bar.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bar.h
@@ -8,11 +8,13 @@ struct nvkm_bar {
struct nvkm_subdev subdev;
spinlock_t lock;
+ bool bar2;
/* whether the BAR supports to be ioremapped WC or should be uncached */
bool iomap_uncached;
};
+void nvkm_bar_bar2_init(struct nvkm_device *);
void nvkm_bar_flush(struct nvkm_bar *);
struct nvkm_vm *nvkm_bar_kmap(struct nvkm_bar *);
int nvkm_bar_umap(struct nvkm_bar *, u64 size, int type, struct nvkm_vma *);
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/base.c
index 0fee5e0a090e..b55ab7183cb9 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/base.c
@@ -45,11 +45,23 @@ nvkm_bar_umap(struct nvkm_bar *bar, u64 size, int type, struct nvkm_vma *vma)
return bar->func->umap(bar, size, type, vma);
}
+void
+nvkm_bar_bar2_init(struct nvkm_device *device)
+{
+ struct nvkm_bar *bar = device->bar;
+ if (bar && bar->subdev.oneinit && !bar->bar2 && bar->func->bar2.init) {
+ bar->func->bar2.init(bar);
+ bar->func->bar2.wait(bar);
+ bar->bar2 = true;
+ }
+}
+
static int
nvkm_bar_fini(struct nvkm_subdev *subdev, bool suspend)
{
struct nvkm_bar *bar = nvkm_bar(subdev);
bar->func->bar1.fini(bar);
+ bar->bar2 = false;
return 0;
}
@@ -57,9 +69,11 @@ static int
nvkm_bar_init(struct nvkm_subdev *subdev)
{
struct nvkm_bar *bar = nvkm_bar(subdev);
+ nvkm_bar_bar2_init(subdev->device);
bar->func->bar1.init(bar);
bar->func->bar1.wait(bar);
- bar->func->init(bar);
+ if (bar->func->init)
+ bar->func->init(bar);
return 0;
}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/g84.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/g84.c
index 0b63f224fa26..912c8194e1d9 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/g84.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/g84.c
@@ -47,6 +47,8 @@ g84_bar_func = {
.bar1.init = nv50_bar_bar1_init,
.bar1.fini = nv50_bar_bar1_fini,
.bar1.wait = nv50_bar_bar1_wait,
+ .bar2.init = nv50_bar_bar2_init,
+ .bar2.wait = nv50_bar_bar1_wait,
.kmap = nv50_bar_kmap,
.umap = nv50_bar_umap,
.flush = g84_bar_flush,
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.c
index fb57c0175e57..7504450972fa 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.c
@@ -65,18 +65,14 @@ gf100_bar_bar1_init(struct nvkm_bar *base)
}
void
-gf100_bar_init(struct nvkm_bar *base)
+gf100_bar_bar2_init(struct nvkm_bar *base)
{
+ struct nvkm_device *device = base->subdev.device;
struct gf100_bar *bar = gf100_bar(base);
- struct nvkm_device *device = bar->base.subdev.device;
- u32 addr;
-
- if (bar->bar[0].mem) {
- addr = nvkm_memory_addr(bar->bar[0].mem) >> 12;
- if (bar->bar2_halve)
- addr |= 0x40000000;
- nvkm_wr32(device, 0x001714, 0x80000000 | addr);
- }
+ u32 addr = nvkm_memory_addr(bar->bar[0].mem) >> 12;
+ if (bar->bar2_halve)
+ addr |= 0x40000000;
+ nvkm_wr32(device, 0x001714, 0x80000000 | addr);
}
static int
@@ -190,10 +186,11 @@ static const struct nvkm_bar_func
gf100_bar_func = {
.dtor = gf100_bar_dtor,
.oneinit = gf100_bar_oneinit,
- .init = gf100_bar_init,
.bar1.init = gf100_bar_bar1_init,
.bar1.fini = gf100_bar_bar1_fini,
.bar1.wait = gf100_bar_bar1_wait,
+ .bar2.init = gf100_bar_bar2_init,
+ .bar2.wait = gf100_bar_bar1_wait,
.kmap = gf100_bar_kmap,
.umap = gf100_bar_umap,
.flush = g84_bar_flush,
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.h b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.h
index 9b994eaad1e5..393116a7398a 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.h
@@ -19,8 +19,8 @@ int gf100_bar_new_(const struct nvkm_bar_func *, struct nvkm_device *,
int, struct nvkm_bar **);
void *gf100_bar_dtor(struct nvkm_bar *);
int gf100_bar_oneinit(struct nvkm_bar *);
-void gf100_bar_init(struct nvkm_bar *);
void gf100_bar_bar1_init(struct nvkm_bar *);
void gf100_bar_bar1_wait(struct nvkm_bar *);
+void gf100_bar_bar2_init(struct nvkm_bar *);
int gf100_bar_umap(struct nvkm_bar *, u64, int, struct nvkm_vma *);
#endif
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c
index c9776121a076..d6d9a1d09722 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c
@@ -77,15 +77,22 @@ nv50_bar_bar1_init(struct nvkm_bar *base)
}
void
+nv50_bar_bar2_init(struct nvkm_bar *base)
+{
+ struct nvkm_device *device = base->subdev.device;
+ struct nv50_bar *bar = nv50_bar(base);
+ nvkm_wr32(device, 0x001704, 0x00000000 | bar->mem->addr >> 12);
+ nvkm_wr32(device, 0x001704, 0x40000000 | bar->mem->addr >> 12);
+ nvkm_wr32(device, 0x00170c, 0x80000000 | bar->bar2->node->offset >> 4);
+}
+
+void
nv50_bar_init(struct nvkm_bar *base)
{
struct nv50_bar *bar = nv50_bar(base);
struct nvkm_device *device = bar->base.subdev.device;
int i;
- nvkm_wr32(device, 0x001704, 0x00000000 | bar->mem->addr >> 12);
- nvkm_wr32(device, 0x001704, 0x40000000 | bar->mem->addr >> 12);
- nvkm_wr32(device, 0x00170c, 0x80000000 | bar->bar2->node->offset >> 4);
for (i = 0; i < 8; i++)
nvkm_wr32(device, 0x001900 + (i * 4), 0x00000000);
}
@@ -216,6 +223,8 @@ nv50_bar_func = {
.bar1.init = nv50_bar_bar1_init,
.bar1.fini = nv50_bar_bar1_fini,
.bar1.wait = nv50_bar_bar1_wait,
+ .bar2.init = nv50_bar_bar2_init,
+ .bar2.wait = nv50_bar_bar1_wait,
.kmap = nv50_bar_kmap,
.umap = nv50_bar_umap,
.flush = nv50_bar_flush,
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.h b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.h
index 52971cfd119c..0009ed4344f0 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.h
@@ -22,6 +22,7 @@ int nv50_bar_oneinit(struct nvkm_bar *);
void nv50_bar_init(struct nvkm_bar *);
void nv50_bar_bar1_init(struct nvkm_bar *);
void nv50_bar_bar1_wait(struct nvkm_bar *);
+void nv50_bar_bar2_init(struct nvkm_bar *);
struct nvkm_vm *nv50_bar_kmap(struct nvkm_bar *);
int nv50_bar_umap(struct nvkm_bar *, u64, int, struct nvkm_vma *);
void nv50_bar_unmap(struct nvkm_bar *, struct nvkm_vma *);
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/priv.h
index d130aab01aca..8c9c897dec5d 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/priv.h
@@ -15,7 +15,7 @@ struct nvkm_bar_func {
void (*init)(struct nvkm_bar *);
void (*fini)(struct nvkm_bar *);
void (*wait)(struct nvkm_bar *);
- } bar1;
+ } bar1, bar2;
struct nvkm_vm *(*kmap)(struct nvkm_bar *);
int (*umap)(struct nvkm_bar *, u64 size, int type, struct nvkm_vma *);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.