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Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/nouveau/core/subdev/ltcg/nvc0.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/ltcg/nvc0.c b/drivers/gpu/drm/nouveau/core/subdev/ltcg/nvc0.c
index 7c2840cc2bb..078a2b9d6bd 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/ltcg/nvc0.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/ltcg/nvc0.c
@@ -26,6 +26,7 @@
struct nvc0_ltcg_priv {
struct nouveau_ltcg base;
+ u32 subp_nr;
};
static void
@@ -49,7 +50,7 @@ nvc0_ltcg_intr(struct nouveau_subdev *subdev)
units = nv_rd32(priv, 0x00017c);
while (units) {
u32 subp, unit = ffs(units) - 1;
- for (subp = 0; subp < 2; subp++)
+ for (subp = 0; subp < priv->subp_nr; subp++)
nvc0_ltcg_subp_isr(priv, unit, subp);
units &= ~(1 << unit);
}
@@ -73,6 +74,7 @@ nvc0_ltcg_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
if (ret)
return ret;
+ priv->subp_nr = nv_rd32(priv, 0x17e8dc) >> 24;
nv_mask(priv, 0x17e820, 0x00100000, 0x00000000); /* INTR_EN &= ~0x10 */
nv_subdev(priv)->intr = nvc0_ltcg_intr;