diff options
author | Ben Skeggs <bskeggs@redhat.com> | 2016-11-04 10:20:35 +0300 |
---|---|---|
committer | Ben Skeggs <bskeggs@redhat.com> | 2016-11-07 07:04:42 +0300 |
commit | f2a4051379f8f4de418be074ccca77a6aae02f65 (patch) | |
tree | ee25245045db515eef4ced8ae9472be2fb63d7c4 /drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv50.c | |
parent | 1f8711bafe0b43716592a3797f693eb7c0175123 (diff) | |
download | linux-f2a4051379f8f4de418be074ccca77a6aae02f65.tar.xz |
drm/nouveau/disp/sor/gf119-: add method to control mst enable
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv50.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv50.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv50.c index e9548e4fbf21..1a2506767755 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv50.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv50.c @@ -180,6 +180,26 @@ nv50_disp_root_mthd_(struct nvkm_object *object, u32 mthd, void *data, u32 size) return ret; } break; + case NV50_DISP_MTHD_V1_SOR_DP_MST_LINK: { + struct nvkm_output_dp *outpdp = nvkm_output_dp(outp); + union { + struct nv50_disp_sor_dp_mst_link_v0 v0; + } *args = data; + int ret = -ENOSYS; + nvif_ioctl(object, "disp sor dp mst link size %d\n", size); + if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) { + nvif_ioctl(object, "disp sor dp mst link vers %d state %d\n", + args->v0.version, args->v0.state); + if (outpdp->lt.mst != !!args->v0.state) { + outpdp->lt.mst = !!args->v0.state; + atomic_set(&outpdp->lt.done, 0); + nvkm_output_dp_train(&outpdp->base, 0); + } + return 0; + } else + return ret; + } + break; case NV50_DISP_MTHD_V1_PIOR_PWR: if (!func->pior.power) return -ENODEV; |