drm/nvc0/grctx: correct an off-by-one

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

diff --git a/drivers/gpu/drm/nouveau/nvc0_grctx.c b/drivers/gpu/drm/nouveau/nvc0_grctx.c
index b9e68b2..f880ff7 100644 (file)
--- a/drivers/gpu/drm/nouveau/nvc0_grctx.c
+++ b/drivers/gpu/drm/nouveau/nvc0_grctx.c
@@ -1830,7 +1830,7 @@ nvc0_grctx_generate(struct nouveau_channel *chan)
 
        for (tp = 0, id = 0; tp < 4; tp++) {
                for (gpc = 0; gpc < priv->gpc_nr; gpc++) {
-                       if (tp <= priv->tp_nr[gpc]) {
+                       if (tp < priv->tp_nr[gpc]) {
                                nv_wr32(dev, TP_UNIT(gpc, tp, 0x698), id);
                                nv_wr32(dev, TP_UNIT(gpc, tp, 0x4e8), id);
                                nv_wr32(dev, GPC_UNIT(gpc, 0x0c10 + tp * 4), id);