drm/nouveau/fifo/nvc0: bash some magic reg to make uevent interrupt work

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-01-31 17:43:55 -05:00 · 2013-01-31 17:43:55 -05:00 · a2fa297378
parent 750087f124
commit a2fa297378
1 changed files with 1 additions and 0 deletions
--- a/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c
@ -706,6 +706,7 @@ nvc0_fifo_init(struct nouveau_object *object)
 	nv_wr32(priv, 0x002a00, 0xffffffff); /* clears PFIFO.INTR bit 30 */
 	nv_wr32(priv, 0x002100, 0xffffffff);
 	nv_wr32(priv, 0x002140, 0x3fffffff);
+	nv_wr32(priv, 0x002628, 0x00000001); /* makes mthd 0x20 work */
 	return 0;
 }