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authorBen Skeggs <bskeggs@redhat.com>2014-08-28 05:52:12 +0400
committerBen Skeggs <bskeggs@redhat.com>2014-12-02 08:43:49 +0300
commite16cc45c7db9d094c90a7e0fb0f163203c622748 (patch)
treeb61804e84b97eea7d7937b70613d732cd8efd708 /drivers
parentc79965d8fa275f81af4aa868b01e09c3975127a3 (diff)
downloadlinux-e16cc45c7db9d094c90a7e0fb0f163203c622748.tar.xz
drm/gf110-/disp: magic that might help some tmds issues
The binary driver has been doing this since GF119, and we've somehow gotten away with it. But, TMDS that hasn't been initialised already by the x86 vbios code is distorted without it on GM204. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c b/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c
index 747e64bb9c06..2aae9d3a5e54 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c
@@ -1063,10 +1063,18 @@ nvd0_disp_intr_unk2_2(struct nv50_disp_priv *priv, int head)
addr = 0x612280 + (ffs(outp->info.or) - 1) * 0x800;
data = 0x00000000;
} else {
- if (outp->info.type == DCB_OUTPUT_DP)
- nvd0_disp_intr_unk2_2_tu(priv, head, &outp->info);
addr = 0x612300 + (ffs(outp->info.or) - 1) * 0x800;
data = (conf & 0x0100) ? 0x00000101 : 0x00000000;
+ switch (outp->info.type) {
+ case DCB_OUTPUT_TMDS:
+ nv_mask(priv, addr, 0x007c0000, 0x00280000);
+ break;
+ case DCB_OUTPUT_DP:
+ nvd0_disp_intr_unk2_2_tu(priv, head, &outp->info);
+ break;
+ default:
+ break;
+ }
}
nv_mask(priv, addr, 0x00000707, data);