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authorBen Skeggs <bskeggs@redhat.com>2020-05-29 15:18:47 +1000
committerBen Skeggs <bskeggs@redhat.com>2020-06-01 17:28:41 +1000
commita1ef8bad506e4ffa0c57ac5f8cb99ab5cbc3b1fc (patch)
treef8035ed1ff8518882d44a7b8275ca7e7667c5e98 /drivers
parentdc455f4c888365595c0a13da445e092422d55b8d (diff)
drm/nouveau/disp/gm200-: fix NV_PDISP_SOR_HDMI2_CTRL(n) selection
This is a SOR register, and not indexed by the bound head. Fixes display not coming up on high-bandwidth HDMI displays under a number of configurations. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigm200.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigm200.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigm200.c
index 9b16a08eb4d9..bf6d41fb0c9f 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigm200.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigm200.c
@@ -27,10 +27,10 @@ void
gm200_hdmi_scdc(struct nvkm_ior *ior, int head, u8 scdc)
{
struct nvkm_device *device = ior->disp->engine.subdev.device;
- const u32 hoff = head * 0x800;
+ const u32 soff = nv50_ior_base(ior);
const u32 ctrl = scdc & 0x3;
- nvkm_mask(device, 0x61c5bc + hoff, 0x00000003, ctrl);
+ nvkm_mask(device, 0x61c5bc + soff, 0x00000003, ctrl);
ior->tmds.high_speed = !!(scdc & 0x2);
}