- if (sctl & 0x80000000) {
- u32 sclk = read_vco(clk, dsrc + (doff * 4));
- u32 sdiv = (sctl & 0x0000003f) + 2;
- return (sclk * 2) / sdiv;
+ sclk = read_vco(clk, dsrc + (doff * 4));
+
+ /* Memclk has doff of 0 despite its alt. location */
+ if (doff <= 2) {
+ sctl = nvkm_rd32(device, dctl + (doff * 4));
+
+ if (sctl & 0x80000000) {
+ if (ssrc & 0x100)
+ sctl >>= 8;
+
+ sdiv = (sctl & 0x3f) + 2;
+ }