drm/nvd0/disp: add debugging to show which supervisor actions are taken

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

diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c b/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c
index 67176f1547ecc5c34eb4e47083084e17ceb57715..7762665ad8fdb5b461680ee84b7b224b77a5d4d5 100644 (file)
--- a/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c
@@ -1178,7 +1178,7 @@ nvd0_disp_intr_supervisor(struct work_struct *work)
        u32 mask[4];
        int head;
 
-       nv_debug(priv, "supervisor %08x\n", priv->super);
+       nv_debug(priv, "supervisor %d\n", ffs(priv->super));
        for (head = 0; head < priv->head.nr; head++) {
                mask[head] = nv_rd32(priv, 0x6101d4 + (head * 0x800));
                nv_debug(priv, "head %d: 0x%08x\n", head, mask[head]);
@@ -1189,6 +1189,7 @@ nvd0_disp_intr_supervisor(struct work_struct *work)
                for (head = 0; head < priv->head.nr; head++) {
                        if (!(mask[head] & 0x00001000))
                                continue;
+                       nv_debug(priv, "supervisor 1.0 - head %d\n", head);
                        nvd0_disp_intr_unk1_0(priv, head);
                }
        } else
@@ -1196,16 +1197,19 @@ nvd0_disp_intr_supervisor(struct work_struct *work)
                for (head = 0; head < priv->head.nr; head++) {
                        if (!(mask[head] & 0x00001000))
                                continue;
+                       nv_debug(priv, "supervisor 2.0 - head %d\n", head);
                        nvd0_disp_intr_unk2_0(priv, head);
                }
                for (head = 0; head < priv->head.nr; head++) {
                        if (!(mask[head] & 0x00010000))
                                continue;
+                       nv_debug(priv, "supervisor 2.1 - head %d\n", head);
                        nvd0_disp_intr_unk2_1(priv, head);
                }
                for (head = 0; head < priv->head.nr; head++) {
                        if (!(mask[head] & 0x00001000))
                                continue;
+                       nv_debug(priv, "supervisor 2.2 - head %d\n", head);
                        nvd0_disp_intr_unk2_2(priv, head);
                }
        } else
@@ -1213,6 +1217,7 @@ nvd0_disp_intr_supervisor(struct work_struct *work)
                for (head = 0; head < priv->head.nr; head++) {
                        if (!(mask[head] & 0x00001000))
                                continue;
+                       nv_debug(priv, "supervisor 3.0 - head %d\n", head);
                        nvd0_disp_intr_unk4_0(priv, head);
                }
        }