diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/disp/headnv50.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/disp/headnv50.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/headnv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/headnv50.c index b3aaa68c0daa..3cccda2cb09e 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/headnv50.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/headnv50.c @@ -37,8 +37,41 @@ nv50_head_vblank_get(struct nvkm_head *head) nvkm_mask(device, 0x61002c, (4 << head->id), (4 << head->id)); } +void +nv50_head_rgpos(struct nvkm_head *head, u16 *hline, u16 *vline) +{ + struct nvkm_device *device = head->disp->engine.subdev.device; + const u32 hoff = head->id * 0x800; + /* vline read locks hline. */ + *vline = nvkm_rd32(device, 0x616340 + hoff) & 0x0000ffff; + *hline = nvkm_rd32(device, 0x616344 + hoff) & 0x0000ffff; +} + +static void +nv50_head_state(struct nvkm_head *head, struct nvkm_head_state *state) +{ + struct nvkm_device *device = head->disp->engine.subdev.device; + const u32 hoff = head->id * 0x540 + (state == &head->arm) * 4; + u32 data; + + data = nvkm_rd32(device, 0x610ae8 + hoff); + state->vblanke = (data & 0xffff0000) >> 16; + state->hblanke = (data & 0x0000ffff); + data = nvkm_rd32(device, 0x610af0 + hoff); + state->vblanks = (data & 0xffff0000) >> 16; + state->hblanks = (data & 0x0000ffff); + data = nvkm_rd32(device, 0x610af8 + hoff); + state->vtotal = (data & 0xffff0000) >> 16; + state->htotal = (data & 0x0000ffff); + data = nvkm_rd32(device, 0x610b00 + hoff); + state->vsynce = (data & 0xffff0000) >> 16; + state->hsynce = (data & 0x0000ffff); +} + static const struct nvkm_head_func nv50_head = { + .state = nv50_head_state, + .rgpos = nv50_head_rgpos, .vblank_get = nv50_head_vblank_get, .vblank_put = nv50_head_vblank_put, }; |