Displaying 1 result from an estimated 1 matches for "nv50_disp_get_scanoutpos".
2013 Aug 12
0
[RFC PATCH] drm/nv50-nvd0: implement precise vblank timing support on nv50/nvc0.
...veau/core/engine/disp/nv50.c
@@ -1285,6 +1285,57 @@ nv50_disp_intr(struct nouveau_subdev *subdev)
}
}
+u32 nv50_disp_get_vblank_count(struct nouveau_disp *disp, int head)
+{
+ if (head < 0 || head >= 2)
+ return 0;
+
+ return nv_rd32(disp, 0x616340 + head * 0x800) >> 16;
+}
+
+int nv50_disp_get_scanoutpos(struct nouveau_disp *disp, int head, int *vpos, int *hpos)
+{
+ u32 reg, vbias, hbias, vbl_start, vbl_end, hline, vline;
+
+ if (head < 0 || head >= 2)
+ return -1;
+
+ reg = nv_rd32(disp, 0x610ae8 + head * 4);
+ vbias = reg >> 16;
+ hbias = reg & 0xffff;
+
+ vbl_start = nv_rd32(di...