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drm/nouveau/disp/gm200-: fix NV_PDISP_SOR_HDMI2_CTRL(n) selection

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[ Upstream commit a1ef8bad506e4ffa0c57ac5f8cb99ab5cbc3b1fc ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Ben Skeggs 2020-05-29 15:18:47 +10:00 committed by Greg Kroah-Hartman
parent 43ba1b177a
commit 145565f722
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigm200.c
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@ -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);
}