diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/disp/sornv50.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/disp/sornv50.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sornv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sornv50.c index fb43307466cd..a1327e8fead1 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sornv50.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sornv50.c @@ -79,8 +79,30 @@ nv50_sor_power(NV50_DISP_MTHD_V1) return 0; } +void +nv50_sor_state(struct nvkm_ior *sor, struct nvkm_ior_state *state) +{ + struct nvkm_device *device = sor->disp->engine.subdev.device; + const u32 coff = sor->id * 8 + (state == &sor->arm) * 4; + u32 ctrl = nvkm_rd32(device, 0x610b70 + 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; + default: + state->proto = UNKNOWN; + break; + } + + state->head = ctrl & 0x00000003; +} + static const struct nvkm_ior_func nv50_sor = { + .state = nv50_sor_state, }; int |
