From 04dd17822334871b23ea2862f7798fb0e0007777 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 11 May 2024 08:53:19 +0000
Subject: [PATCH] change otg to host mode
---
kernel/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgf100.c | 62 +++++++++++++++++++++----------
1 files changed, 42 insertions(+), 20 deletions(-)
diff --git a/kernel/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgf100.c b/kernel/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgf100.c
index faf5a7e..6a2d9eb 100644
--- a/kernel/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgf100.c
+++ b/kernel/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgf100.c
@@ -178,15 +178,19 @@
};
void
-gf100_vmm_flush_(struct nvkm_vmm *vmm, int depth)
+gf100_vmm_invalidate_pdb(struct nvkm_vmm *vmm, u64 addr)
+{
+ struct nvkm_device *device = vmm->mmu->subdev.device;
+ nvkm_wr32(device, 0x100cb8, addr);
+}
+
+void
+gf100_vmm_invalidate(struct nvkm_vmm *vmm, u32 type)
{
struct nvkm_subdev *subdev = &vmm->mmu->subdev;
struct nvkm_device *device = subdev->device;
- u32 type = depth << 24;
-
- type = 0x00000001; /* PAGE_ALL */
- if (atomic_read(&vmm->engref[NVKM_SUBDEV_BAR]))
- type |= 0x00000004; /* HUB_ONLY */
+ struct nvkm_mmu_pt *pd = vmm->pd->pt[0];
+ u64 addr = 0;
mutex_lock(&subdev->mutex);
/* Looks like maybe a "free flush slots" counter, the
@@ -197,7 +201,20 @@
break;
);
- nvkm_wr32(device, 0x100cb8, vmm->pd->pt[0]->addr >> 8);
+ if (!(type & 0x00000002) /* ALL_PDB. */) {
+ switch (nvkm_memory_target(pd->memory)) {
+ case NVKM_MEM_TARGET_VRAM: addr |= 0x00000000; break;
+ case NVKM_MEM_TARGET_HOST: addr |= 0x00000002; break;
+ case NVKM_MEM_TARGET_NCOH: addr |= 0x00000003; break;
+ default:
+ WARN_ON(1);
+ break;
+ }
+ addr |= (vmm->pd->pt[0]->addr >> 12) << 4;
+
+ vmm->func->invalidate_pdb(vmm, addr);
+ }
+
nvkm_wr32(device, 0x100cbc, 0x80000000 | type);
/* Wait for flush to be queued? */
@@ -211,7 +228,10 @@
void
gf100_vmm_flush(struct nvkm_vmm *vmm, int depth)
{
- gf100_vmm_flush_(vmm, 0);
+ u32 type = 0x00000001; /* PAGE_ALL */
+ if (atomic_read(&vmm->engref[NVKM_SUBDEV_BAR]))
+ type |= 0x00000004; /* HUB_ONLY */
+ gf100_vmm_invalidate(vmm, type);
}
int
@@ -227,7 +247,7 @@
} *args = argv;
struct nvkm_device *device = vmm->mmu->subdev.device;
struct nvkm_memory *memory = map->memory;
- u8 kind, priv, ro, vol;
+ u8 kind, kind_inv, priv, ro, vol;
int kindn, aper, ret = -ENOSYS;
const u8 *kindm;
@@ -254,8 +274,8 @@
if (WARN_ON(aper < 0))
return aper;
- kindm = vmm->mmu->func->kind(vmm->mmu, &kindn);
- if (kind >= kindn || kindm[kind] == 0xff) {
+ kindm = vmm->mmu->func->kind(vmm->mmu, &kindn, &kind_inv);
+ if (kind >= kindn || kindm[kind] == kind_inv) {
VMM_DEBUG(vmm, "kind %02x", kind);
return -EINVAL;
}
@@ -354,6 +374,7 @@
.aper = gf100_vmm_aper,
.valid = gf100_vmm_valid,
.flush = gf100_vmm_flush,
+ .invalidate_pdb = gf100_vmm_invalidate_pdb,
.page = {
{ 17, &gf100_vmm_desc_17_17[0], NVKM_VMM_PAGE_xVxC },
{ 12, &gf100_vmm_desc_17_12[0], NVKM_VMM_PAGE_xVHx },
@@ -368,6 +389,7 @@
.aper = gf100_vmm_aper,
.valid = gf100_vmm_valid,
.flush = gf100_vmm_flush,
+ .invalidate_pdb = gf100_vmm_invalidate_pdb,
.page = {
{ 16, &gf100_vmm_desc_16_16[0], NVKM_VMM_PAGE_xVxC },
{ 12, &gf100_vmm_desc_16_12[0], NVKM_VMM_PAGE_xVHx },
@@ -378,14 +400,14 @@
int
gf100_vmm_new_(const struct nvkm_vmm_func *func_16,
const struct nvkm_vmm_func *func_17,
- struct nvkm_mmu *mmu, u64 addr, u64 size, void *argv, u32 argc,
- struct lock_class_key *key, const char *name,
- struct nvkm_vmm **pvmm)
+ struct nvkm_mmu *mmu, bool managed, u64 addr, u64 size,
+ void *argv, u32 argc, struct lock_class_key *key,
+ const char *name, struct nvkm_vmm **pvmm)
{
switch (mmu->subdev.device->fb->page) {
- case 16: return nv04_vmm_new_(func_16, mmu, 0, addr, size,
+ case 16: return nv04_vmm_new_(func_16, mmu, 0, managed, addr, size,
argv, argc, key, name, pvmm);
- case 17: return nv04_vmm_new_(func_17, mmu, 0, addr, size,
+ case 17: return nv04_vmm_new_(func_17, mmu, 0, managed, addr, size,
argv, argc, key, name, pvmm);
default:
WARN_ON(1);
@@ -394,10 +416,10 @@
}
int
-gf100_vmm_new(struct nvkm_mmu *mmu, u64 addr, u64 size, void *argv, u32 argc,
- struct lock_class_key *key, const char *name,
- struct nvkm_vmm **pvmm)
+gf100_vmm_new(struct nvkm_mmu *mmu, bool managed, u64 addr, u64 size,
+ void *argv, u32 argc, struct lock_class_key *key,
+ const char *name, struct nvkm_vmm **pvmm)
{
- return gf100_vmm_new_(&gf100_vmm_16, &gf100_vmm_17, mmu, addr,
+ return gf100_vmm_new_(&gf100_vmm_16, &gf100_vmm_17, mmu, managed, addr,
size, argv, argc, key, name, pvmm);
}
--
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