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path: root/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c287
1 files changed, 116 insertions, 171 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c
index 8548adb91dcc..370dcd8ff7b5 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c
@@ -21,251 +21,196 @@
*
* Authors: Ben Skeggs
*/
-#include "priv.h"
+#include "nv50.h"
-#include <core/device.h>
#include <core/gpuobj.h>
#include <subdev/fb.h>
#include <subdev/mmu.h>
#include <subdev/timer.h>
-struct nv50_bar_priv {
- struct nvkm_bar base;
- spinlock_t lock;
- struct nvkm_gpuobj *mem;
- struct nvkm_gpuobj *pad;
- struct nvkm_gpuobj *pgd;
- struct nvkm_vm *bar1_vm;
- struct nvkm_gpuobj *bar1;
- struct nvkm_vm *bar3_vm;
- struct nvkm_gpuobj *bar3;
-};
-
-static int
-nv50_bar_kmap(struct nvkm_bar *bar, struct nvkm_mem *mem, u32 flags,
- struct nvkm_vma *vma)
-{
- struct nv50_bar_priv *priv = (void *)bar;
- int ret;
-
- ret = nvkm_vm_get(priv->bar3_vm, mem->size << 12, 12, flags, vma);
- if (ret)
- return ret;
-
- nvkm_vm_map(vma, mem);
- return 0;
-}
-
-static int
-nv50_bar_umap(struct nvkm_bar *bar, struct nvkm_mem *mem, u32 flags,
- struct nvkm_vma *vma)
+struct nvkm_vm *
+nv50_bar_kmap(struct nvkm_bar *base)
{
- struct nv50_bar_priv *priv = (void *)bar;
- int ret;
-
- ret = nvkm_vm_get(priv->bar1_vm, mem->size << 12, 12, flags, vma);
- if (ret)
- return ret;
-
- nvkm_vm_map(vma, mem);
- return 0;
+ return nv50_bar(base)->bar3_vm;
}
-static void
-nv50_bar_unmap(struct nvkm_bar *bar, struct nvkm_vma *vma)
+int
+nv50_bar_umap(struct nvkm_bar *base, u64 size, int type, struct nvkm_vma *vma)
{
- nvkm_vm_unmap(vma);
- nvkm_vm_put(vma);
+ struct nv50_bar *bar = nv50_bar(base);
+ return nvkm_vm_get(bar->bar1_vm, size, type, NV_MEM_ACCESS_RW, vma);
}
static void
-nv50_bar_flush(struct nvkm_bar *bar)
-{
- struct nv50_bar_priv *priv = (void *)bar;
- unsigned long flags;
- spin_lock_irqsave(&priv->lock, flags);
- nv_wr32(priv, 0x00330c, 0x00000001);
- if (!nv_wait(priv, 0x00330c, 0x00000002, 0x00000000))
- nv_warn(priv, "flush timeout\n");
- spin_unlock_irqrestore(&priv->lock, flags);
-}
-
-void
-g84_bar_flush(struct nvkm_bar *bar)
+nv50_bar_flush(struct nvkm_bar *base)
{
- struct nv50_bar_priv *priv = (void *)bar;
+ struct nv50_bar *bar = nv50_bar(base);
+ struct nvkm_device *device = bar->base.subdev.device;
unsigned long flags;
- spin_lock_irqsave(&priv->lock, flags);
- nv_wr32(bar, 0x070000, 0x00000001);
- if (!nv_wait(priv, 0x070000, 0x00000002, 0x00000000))
- nv_warn(priv, "flush timeout\n");
- spin_unlock_irqrestore(&priv->lock, flags);
+ spin_lock_irqsave(&bar->base.lock, flags);
+ nvkm_wr32(device, 0x00330c, 0x00000001);
+ nvkm_msec(device, 2000,
+ if (!(nvkm_rd32(device, 0x00330c) & 0x00000002))
+ break;
+ );
+ spin_unlock_irqrestore(&bar->base.lock, flags);
}
-static int
-nv50_bar_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
- struct nvkm_oclass *oclass, void *data, u32 size,
- struct nvkm_object **pobject)
+int
+nv50_bar_oneinit(struct nvkm_bar *base)
{
- struct nvkm_device *device = nv_device(parent);
- struct nvkm_object *heap;
+ struct nv50_bar *bar = nv50_bar(base);
+ struct nvkm_device *device = bar->base.subdev.device;
+ static struct lock_class_key bar1_lock;
+ static struct lock_class_key bar3_lock;
struct nvkm_vm *vm;
- struct nv50_bar_priv *priv;
u64 start, limit;
int ret;
- ret = nvkm_bar_create(parent, engine, oclass, &priv);
- *pobject = nv_object(priv);
+ ret = nvkm_gpuobj_new(device, 0x20000, 0, false, NULL, &bar->mem);
if (ret)
return ret;
- ret = nvkm_gpuobj_new(nv_object(priv), NULL, 0x20000, 0,
- NVOBJ_FLAG_HEAP, &priv->mem);
- heap = nv_object(priv->mem);
+ ret = nvkm_gpuobj_new(device, bar->pgd_addr, 0, false, bar->mem,
+ &bar->pad);
if (ret)
return ret;
- ret = nvkm_gpuobj_new(nv_object(priv), heap,
- (device->chipset == 0x50) ? 0x1400 : 0x0200,
- 0, 0, &priv->pad);
- if (ret)
- return ret;
-
- ret = nvkm_gpuobj_new(nv_object(priv), heap, 0x4000, 0, 0, &priv->pgd);
+ ret = nvkm_gpuobj_new(device, 0x4000, 0, false, bar->mem, &bar->pgd);
if (ret)
return ret;
/* BAR3 */
start = 0x0100000000ULL;
- limit = start + nv_device_resource_len(device, 3);
+ limit = start + device->func->resource_size(device, 3);
- ret = nvkm_vm_new(device, start, limit, start, &vm);
+ ret = nvkm_vm_new(device, start, limit, start, &bar3_lock, &vm);
if (ret)
return ret;
- atomic_inc(&vm->engref[NVDEV_SUBDEV_BAR]);
+ atomic_inc(&vm->engref[NVKM_SUBDEV_BAR]);
- ret = nvkm_gpuobj_new(nv_object(priv), heap,
- ((limit-- - start) >> 12) * 8, 0x1000,
- NVOBJ_FLAG_ZERO_ALLOC, &vm->pgt[0].obj[0]);
- vm->pgt[0].refcount[0] = 1;
+ ret = nvkm_vm_boot(vm, limit-- - start);
if (ret)
return ret;
- ret = nvkm_vm_ref(vm, &priv->bar3_vm, priv->pgd);
+ ret = nvkm_vm_ref(vm, &bar->bar3_vm, bar->pgd);
nvkm_vm_ref(NULL, &vm, NULL);
if (ret)
return ret;
- ret = nvkm_gpuobj_new(nv_object(priv), heap, 24, 16, 0, &priv->bar3);
+ ret = nvkm_gpuobj_new(device, 24, 16, false, bar->mem, &bar->bar3);
if (ret)
return ret;
- nv_wo32(priv->bar3, 0x00, 0x7fc00000);
- nv_wo32(priv->bar3, 0x04, lower_32_bits(limit));
- nv_wo32(priv->bar3, 0x08, lower_32_bits(start));
- nv_wo32(priv->bar3, 0x0c, upper_32_bits(limit) << 24 |
- upper_32_bits(start));
- nv_wo32(priv->bar3, 0x10, 0x00000000);
- nv_wo32(priv->bar3, 0x14, 0x00000000);
+ nvkm_kmap(bar->bar3);
+ nvkm_wo32(bar->bar3, 0x00, 0x7fc00000);
+ nvkm_wo32(bar->bar3, 0x04, lower_32_bits(limit));
+ nvkm_wo32(bar->bar3, 0x08, lower_32_bits(start));
+ nvkm_wo32(bar->bar3, 0x0c, upper_32_bits(limit) << 24 |
+ upper_32_bits(start));
+ nvkm_wo32(bar->bar3, 0x10, 0x00000000);
+ nvkm_wo32(bar->bar3, 0x14, 0x00000000);
+ nvkm_done(bar->bar3);
/* BAR1 */
start = 0x0000000000ULL;
- limit = start + nv_device_resource_len(device, 1);
+ limit = start + device->func->resource_size(device, 1);
- ret = nvkm_vm_new(device, start, limit--, start, &vm);
+ ret = nvkm_vm_new(device, start, limit--, start, &bar1_lock, &vm);
if (ret)
return ret;
- atomic_inc(&vm->engref[NVDEV_SUBDEV_BAR]);
+ atomic_inc(&vm->engref[NVKM_SUBDEV_BAR]);
- ret = nvkm_vm_ref(vm, &priv->bar1_vm, priv->pgd);
+ ret = nvkm_vm_ref(vm, &bar->bar1_vm, bar->pgd);
nvkm_vm_ref(NULL, &vm, NULL);
if (ret)
return ret;
- ret = nvkm_gpuobj_new(nv_object(priv), heap, 24, 16, 0, &priv->bar1);
+ ret = nvkm_gpuobj_new(device, 24, 16, false, bar->mem, &bar->bar1);
if (ret)
return ret;
- nv_wo32(priv->bar1, 0x00, 0x7fc00000);
- nv_wo32(priv->bar1, 0x04, lower_32_bits(limit));
- nv_wo32(priv->bar1, 0x08, lower_32_bits(start));
- nv_wo32(priv->bar1, 0x0c, upper_32_bits(limit) << 24 |
- upper_32_bits(start));
- nv_wo32(priv->bar1, 0x10, 0x00000000);
- nv_wo32(priv->bar1, 0x14, 0x00000000);
-
- priv->base.alloc = nvkm_bar_alloc;
- priv->base.kmap = nv50_bar_kmap;
- priv->base.umap = nv50_bar_umap;
- priv->base.unmap = nv50_bar_unmap;
- if (device->chipset == 0x50)
- priv->base.flush = nv50_bar_flush;
- else
- priv->base.flush = g84_bar_flush;
- spin_lock_init(&priv->lock);
+ nvkm_kmap(bar->bar1);
+ nvkm_wo32(bar->bar1, 0x00, 0x7fc00000);
+ nvkm_wo32(bar->bar1, 0x04, lower_32_bits(limit));
+ nvkm_wo32(bar->bar1, 0x08, lower_32_bits(start));
+ nvkm_wo32(bar->bar1, 0x0c, upper_32_bits(limit) << 24 |
+ upper_32_bits(start));
+ nvkm_wo32(bar->bar1, 0x10, 0x00000000);
+ nvkm_wo32(bar->bar1, 0x14, 0x00000000);
+ nvkm_done(bar->bar1);
return 0;
}
-static void
-nv50_bar_dtor(struct nvkm_object *object)
+int
+nv50_bar_init(struct nvkm_bar *base)
{
- struct nv50_bar_priv *priv = (void *)object;
- nvkm_gpuobj_ref(NULL, &priv->bar1);
- nvkm_vm_ref(NULL, &priv->bar1_vm, priv->pgd);
- nvkm_gpuobj_ref(NULL, &priv->bar3);
- if (priv->bar3_vm) {
- nvkm_gpuobj_ref(NULL, &priv->bar3_vm->pgt[0].obj[0]);
- nvkm_vm_ref(NULL, &priv->bar3_vm, priv->pgd);
- }
- nvkm_gpuobj_ref(NULL, &priv->pgd);
- nvkm_gpuobj_ref(NULL, &priv->pad);
- nvkm_gpuobj_ref(NULL, &priv->mem);
- nvkm_bar_destroy(&priv->base);
-}
-
-static int
-nv50_bar_init(struct nvkm_object *object)
-{
- struct nv50_bar_priv *priv = (void *)object;
- int ret, i;
-
- ret = nvkm_bar_init(&priv->base);
- if (ret)
- return ret;
-
- nv_mask(priv, 0x000200, 0x00000100, 0x00000000);
- nv_mask(priv, 0x000200, 0x00000100, 0x00000100);
- nv_wr32(priv, 0x100c80, 0x00060001);
- if (!nv_wait(priv, 0x100c80, 0x00000001, 0x00000000)) {
- nv_error(priv, "vm flush timeout\n");
+ struct nv50_bar *bar = nv50_bar(base);
+ struct nvkm_device *device = bar->base.subdev.device;
+ int i;
+
+ nvkm_mask(device, 0x000200, 0x00000100, 0x00000000);
+ nvkm_mask(device, 0x000200, 0x00000100, 0x00000100);
+ nvkm_wr32(device, 0x100c80, 0x00060001);
+ if (nvkm_msec(device, 2000,
+ if (!(nvkm_rd32(device, 0x100c80) & 0x00000001))
+ break;
+ ) < 0)
return -EBUSY;
- }
- nv_wr32(priv, 0x001704, 0x00000000 | priv->mem->addr >> 12);
- nv_wr32(priv, 0x001704, 0x40000000 | priv->mem->addr >> 12);
- nv_wr32(priv, 0x001708, 0x80000000 | priv->bar1->node->offset >> 4);
- nv_wr32(priv, 0x00170c, 0x80000000 | priv->bar3->node->offset >> 4);
+ nvkm_wr32(device, 0x001704, 0x00000000 | bar->mem->addr >> 12);
+ nvkm_wr32(device, 0x001704, 0x40000000 | bar->mem->addr >> 12);
+ nvkm_wr32(device, 0x001708, 0x80000000 | bar->bar1->node->offset >> 4);
+ nvkm_wr32(device, 0x00170c, 0x80000000 | bar->bar3->node->offset >> 4);
for (i = 0; i < 8; i++)
- nv_wr32(priv, 0x001900 + (i * 4), 0x00000000);
+ nvkm_wr32(device, 0x001900 + (i * 4), 0x00000000);
return 0;
}
-static int
-nv50_bar_fini(struct nvkm_object *object, bool suspend)
+void *
+nv50_bar_dtor(struct nvkm_bar *base)
{
- struct nv50_bar_priv *priv = (void *)object;
- return nvkm_bar_fini(&priv->base, suspend);
+ struct nv50_bar *bar = nv50_bar(base);
+ nvkm_gpuobj_del(&bar->bar1);
+ nvkm_vm_ref(NULL, &bar->bar1_vm, bar->pgd);
+ nvkm_gpuobj_del(&bar->bar3);
+ if (bar->bar3_vm) {
+ nvkm_memory_del(&bar->bar3_vm->pgt[0].mem[0]);
+ nvkm_vm_ref(NULL, &bar->bar3_vm, bar->pgd);
+ }
+ nvkm_gpuobj_del(&bar->pgd);
+ nvkm_gpuobj_del(&bar->pad);
+ nvkm_gpuobj_del(&bar->mem);
+ return bar;
}
-struct nvkm_oclass
-nv50_bar_oclass = {
- .handle = NV_SUBDEV(BAR, 0x50),
- .ofuncs = &(struct nvkm_ofuncs) {
- .ctor = nv50_bar_ctor,
- .dtor = nv50_bar_dtor,
- .init = nv50_bar_init,
- .fini = nv50_bar_fini,
- },
+int
+nv50_bar_new_(const struct nvkm_bar_func *func, struct nvkm_device *device,
+ int index, u32 pgd_addr, struct nvkm_bar **pbar)
+{
+ struct nv50_bar *bar;
+ if (!(bar = kzalloc(sizeof(*bar), GFP_KERNEL)))
+ return -ENOMEM;
+ nvkm_bar_ctor(func, device, index, &bar->base);
+ bar->pgd_addr = pgd_addr;
+ *pbar = &bar->base;
+ return 0;
+}
+
+static const struct nvkm_bar_func
+nv50_bar_func = {
+ .dtor = nv50_bar_dtor,
+ .oneinit = nv50_bar_oneinit,
+ .init = nv50_bar_init,
+ .kmap = nv50_bar_kmap,
+ .umap = nv50_bar_umap,
+ .flush = nv50_bar_flush,
};
+
+int
+nv50_bar_new(struct nvkm_device *device, int index, struct nvkm_bar **pbar)
+{
+ return nv50_bar_new_(&nv50_bar_func, device, index, 0x1400, pbar);
+}