diff options
author | Dave Airlie <airlied@redhat.com> | 2023-10-30 09:48:08 +0300 |
---|---|---|
committer | Dave Airlie <airlied@redhat.com> | 2023-11-03 05:57:23 +0300 |
commit | 8d55b0a940bb10592ffaad68d14314823ddf4cdf (patch) | |
tree | 282b9cc6927afa59c076dc87e8f5f52530c70a8c /drivers | |
parent | 5177e5fa6e9e32decfc5beedf82823a0e57bdcff (diff) | |
download | linux-8d55b0a940bb10592ffaad68d14314823ddf4cdf.tar.xz |
nouveau/gsp: add some basic registry entries.
The nvidia driver sets these two basic registry entries always,
so copy it.
Reviewed-by: Danilo Krummrich <dakr@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c | 45 |
1 files changed, 35 insertions, 10 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c index b6f6b5e747d4..e31f9641114b 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c @@ -1029,26 +1029,51 @@ r535_gsp_rpc_unloading_guest_driver(struct nvkm_gsp *gsp, bool suspend) return nvkm_gsp_rpc_wr(gsp, rpc, true); } +/* dword only */ +struct nv_gsp_registry_entries { + const char *name; + u32 value; +}; + +static const struct nv_gsp_registry_entries r535_registry_entries[] = { + { "RMSecBusResetEnable", 1 }, + { "RMForcePcieConfigSave", 1 }, +}; +#define NV_GSP_REG_NUM_ENTRIES ARRAY_SIZE(r535_registry_entries) + static int r535_gsp_rpc_set_registry(struct nvkm_gsp *gsp) { PACKED_REGISTRY_TABLE *rpc; char *strings; + int str_offset; + int i; + size_t rpc_size = sizeof(*rpc) + sizeof(rpc->entries[0]) * NV_GSP_REG_NUM_ENTRIES; + + /* add strings + null terminator */ + for (i = 0; i < NV_GSP_REG_NUM_ENTRIES; i++) + rpc_size += strlen(r535_registry_entries[i].name) + 1; - rpc = nvkm_gsp_rpc_get(gsp, NV_VGPU_MSG_FUNCTION_SET_REGISTRY, - sizeof(*rpc) + sizeof(rpc->entries[0]) + 1); + rpc = nvkm_gsp_rpc_get(gsp, NV_VGPU_MSG_FUNCTION_SET_REGISTRY, rpc_size); if (IS_ERR(rpc)) return PTR_ERR(rpc); rpc->size = sizeof(*rpc); - rpc->numEntries = 1; - rpc->entries[0].nameOffset = offsetof(typeof(*rpc), entries[1]); - rpc->entries[0].type = 1; - rpc->entries[0].data = 0; - rpc->entries[0].length = 4; - - strings = (char *)&rpc->entries[1]; - strings[0] = '\0'; + rpc->numEntries = NV_GSP_REG_NUM_ENTRIES; + + str_offset = offsetof(typeof(*rpc), entries[NV_GSP_REG_NUM_ENTRIES]); + strings = (char *)&rpc->entries[NV_GSP_REG_NUM_ENTRIES]; + for (i = 0; i < NV_GSP_REG_NUM_ENTRIES; i++) { + int name_len = strlen(r535_registry_entries[i].name) + 1; + + rpc->entries[i].nameOffset = str_offset; + rpc->entries[i].type = 1; + rpc->entries[i].data = r535_registry_entries[i].value; + rpc->entries[i].length = 4; + memcpy(strings, r535_registry_entries[i].name, name_len); + strings += name_len; + str_offset += name_len; + } return nvkm_gsp_rpc_wr(gsp, rpc, false); } |