diff --git a/drivers/gpu/drm/nouveau/dispnv50/head507d.c b/drivers/gpu/drm/nouveau/dispnv50/head507d.c
index 2cc9918c4540..dc50032711b5 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/head507d.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/head507d.c
@@ -180,7 +180,7 @@ head507d_core_clr(struct nv50_head *head)
 	if ((ret = PUSH_WAIT(push, 2)))
 		return ret;
 
-	PUSH_NVSQ(push, NV507D, 0x0874 + (i * 0x400), 0x00000000);
+	PUSH_MTHD(push, NV507D, HEAD_SET_CONTEXT_DMA_ISO(i), 0x00000000);
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/nouveau/dispnv50/head907d.c b/drivers/gpu/drm/nouveau/dispnv50/head907d.c
index 3b3b5af74993..f5e669deed62 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/head907d.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/head907d.c
@@ -184,7 +184,7 @@ head907d_core_clr(struct nv50_head *head)
 	if ((ret = PUSH_WAIT(push, 2)))
 		return ret;
 
-	PUSH_NVSQ(push, NV907D, 0x0474 + (i * 0x300), 0x00000000);
+	PUSH_MTHD(push, NV907D, HEAD_SET_CONTEXT_DMAS_ISO(i), 0x00000000);
 	return 0;
 }