drm/nva3/disp: Fix HDMI audio regression

This is the nva3 counterpart to commit beba44b17 (drm/nv84/disp: Fix
HDMI audio regression). The regression happened as a result of
refactoring in commit 8e9e3d2de (drm/nv84/disp: move hdmi control into
core).

Reported-and-tested-by: Max Baldwin <archerseven@gmail.com>
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/hdminva3.c b/drivers/gpu/drm/nouveau/core/engine/disp/hdminva3.c
index f065fc248adf..db8c6fd46278 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/hdminva3.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/hdminva3.c
@@ -55,6 +55,10 @@ nva3_hdmi_ctrl(struct nv50_disp_priv *priv, int head, int or, u32 data)
         nv_wr32(priv, 0x61c510 + soff, 0x00000000);
         nv_mask(priv, 0x61c500 + soff, 0x00000001, 0x00000001);
 
+        nv_mask(priv, 0x61c5d0 + soff, 0x00070001, 0x00010001); /* SPARE, HW_CTS */
+        nv_mask(priv, 0x61c568 + soff, 0x00010101, 0x00000000); /* ACR_CTRL, ?? */
+        nv_mask(priv, 0x61c578 + soff, 0x80000000, 0x80000000); /* ACR_0441_ENABLE */
+
         /* ??? */
         nv_mask(priv, 0x61733c, 0x00100000, 0x00100000); /* RESETF */
         nv_mask(priv, 0x61733c, 0x10000000, 0x10000000); /* LOOKUP_EN */