gv100_hdmi_ctrl() writes vendor_infoframe.subpack0_high to 0x6f0110, and
then overwrites it with 0. Just drop the overwrite with 0, that's clearly
a mistake.
Because of this issue the HDMI VIC is 0 instead of 1 in the HDMI Vendor
InfoFrame when transmitting 4kp30.
Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl>
Fixes: 290ffeafcc1a (drm/nouveau/disp/gv100: initial support)
---
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigv100.c
b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigv100.c
index 6e3c450eaace..3ff49344abc7 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigv100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigv100.c
@@ -62,7 +62,6 @@ gv100_hdmi_ctrl(struct nvkm_ior *ior, int head, bool enable,
u8 max_ac_packet,
nvkm_wr32(device, 0x6f0108 + hdmi, vendor_infoframe.header);
nvkm_wr32(device, 0x6f010c + hdmi,
vendor_infoframe.subpack0_low);
nvkm_wr32(device, 0x6f0110 + hdmi,
vendor_infoframe.subpack0_high);
- nvkm_wr32(device, 0x6f0110 + hdmi, 0x00000000);
nvkm_wr32(device, 0x6f0114 + hdmi, 0x00000000);
nvkm_wr32(device, 0x6f0118 + hdmi, 0x00000000);
nvkm_wr32(device, 0x6f011c + hdmi, 0x00000000);
