drm/nv50/disp: train PIOR-attached DP from second supervisor

Same place as for SOR, between detach and attach phases.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
index 2b9ef82..a73bc15 100644 (file)
--- a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
@@ -1457,10 +1457,17 @@ nv50_disp_intr_unk20_2(struct nv50_disp_priv *priv, int head)
        if (!outp)
                return;
 
-       if (outp->info.location == 0 && outp->info.type == DCB_OUTPUT_DP) {
+       if (outp->info.type == DCB_OUTPUT_DP) {
                u32 soff = (ffs(outp->info.or) - 1) * 0x08;
-               u32 ctrl = nv_rd32(priv, 0x610794 + soff);
-               u32 datarate;
+               u32 ctrl, datarate;
+
+               if (outp->info.location == 0) {
+                       ctrl = nv_rd32(priv, 0x610794 + soff);
+                       soff = 1;
+               } else {
+                       ctrl = nv_rd32(priv, 0x610b80 + soff);
+                       soff = 2;
+               }
 
                switch ((ctrl & 0x000f0000) >> 16) {
                case 6: datarate = pclk * 30 / 8; break;
@@ -1471,7 +1478,7 @@ nv50_disp_intr_unk20_2(struct nv50_disp_priv *priv, int head)
                        break;
                }
 
-               nouveau_dp_train((void *)outp, datarate);
+               nouveau_dp_train((void *)outp, datarate / soff);
        }
 
        exec_clkcmp(priv, head, 0, pclk, &conf);
@@ -1535,23 +1542,6 @@ nv50_disp_intr_unk40_0(struct nv50_disp_priv *priv, int head)
 
        if (outp->info.location == 0 && outp->info.type == DCB_OUTPUT_TMDS)
                nv50_disp_intr_unk40_0_tmds(priv, &outp->info);
-       else
-       if (outp->info.location == 1 && outp->info.type == DCB_OUTPUT_DP) {
-               u32 soff = (ffs(outp->info.or) - 1) * 0x08;
-               u32 ctrl = nv_rd32(priv, 0x610b84 + soff);
-               u32 datarate;
-
-               switch ((ctrl & 0x000f0000) >> 16) {
-               case 6: datarate = pclk * 30 / 8; break;
-               case 5: datarate = pclk * 24 / 8; break;
-               case 2:
-               default:
-                       datarate = pclk * 18 / 8;
-                       break;
-               }
-
-               nouveau_dp_train((void *)outp, datarate);
-       }
 }
 
 void