diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/engine/disp/nv04.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/disp/nv04.c | 38 |
1 files changed, 37 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv04.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv04.c index a0bc8a89b699..7cf8b1348632 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nv04.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv04.c @@ -31,9 +31,45 @@ struct nv04_disp_priv { struct nouveau_disp base; }; +static int +nv04_disp_scanoutpos(struct nouveau_object *object, u32 mthd, + void *data, u32 size) +{ + struct nv04_disp_priv *priv = (void *)object->engine; + struct nv04_display_scanoutpos *args = data; + const int head = (mthd & NV04_DISP_MTHD_HEAD); + u32 line; + + if (size < sizeof(*args)) + return -EINVAL; + + args->vblanks = nv_rd32(priv, 0x680800 + (head * 0x2000)) & 0xffff; + args->vtotal = nv_rd32(priv, 0x680804 + (head * 0x2000)) & 0xffff; + args->vblanke = args->vtotal - 1; + + args->hblanks = nv_rd32(priv, 0x680820 + (head * 0x2000)) & 0xffff; + args->htotal = nv_rd32(priv, 0x680824 + (head * 0x2000)) & 0xffff; + args->hblanke = args->htotal - 1; + + args->time[0] = ktime_to_ns(ktime_get()); + line = nv_rd32(priv, 0x600868 + (head * 0x2000)); + args->time[1] = ktime_to_ns(ktime_get()); + args->hline = (line & 0xffff0000) >> 16; + args->vline = (line & 0x0000ffff); + return 0; +} + +#define HEAD_MTHD(n) (n), (n) + 0x01 + +static struct nouveau_omthds +nv04_disp_omthds[] = { + { HEAD_MTHD(NV04_DISP_SCANOUTPOS), nv04_disp_scanoutpos }, + {} +}; + static struct nouveau_oclass nv04_disp_sclass[] = { - { NV04_DISP_CLASS, &nouveau_object_ofuncs }, + { NV04_DISP_CLASS, &nouveau_object_ofuncs, nv04_disp_omthds }, {}, }; |