diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgf119.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgf119.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgf119.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgf119.c index 6ad8af038eae..56ff9d92b14e 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgf119.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgf119.c @@ -130,8 +130,32 @@ gf119_sor_dp_new(struct nvkm_disp *disp, int index, return nvkm_output_dp_new_(&gf119_sor_dp_func, disp, index, dcbE, poutp); } +void +gf119_sor_state(struct nvkm_ior *sor, struct nvkm_ior_state *state) +{ + struct nvkm_device *device = sor->disp->engine.subdev.device; + const u32 coff = (state == &sor->asy) * 0x20000 + sor->id * 0x20; + u32 ctrl = nvkm_rd32(device, 0x640200 + coff); + + state->proto_evo = (ctrl & 0x00000f00) >> 8; + switch (state->proto_evo) { + case 0: state->proto = LVDS; state->link = 1; break; + case 1: state->proto = TMDS; state->link = 1; break; + case 2: state->proto = TMDS; state->link = 2; break; + case 5: state->proto = TMDS; state->link = 3; break; + case 8: state->proto = DP; state->link = 1; break; + case 9: state->proto = DP; state->link = 2; break; + default: + state->proto = UNKNOWN; + break; + } + + state->head = ctrl & 0x0000000f; +} + static const struct nvkm_ior_func gf119_sor = { + .state = gf119_sor_state, }; int |