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 67176f1..7762665 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c
@@ -1178,7 +1178,7 @@
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 @@
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 @@
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 @@
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);
}
}