From: Ben Skeggs <bskeggs@redhat.com>
Date: Tue, 30 Mar 2010 06:01:41 +0000 (+1000)
Subject: drm/nv50: another dodgy DP hack
X-Git-Tag: v2.6.34-rc4~12^2^2~6
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=e60a9df3a8e60e5f16707897467b36702e8c4cdc;p=~shefty%2Frdma-dev.git

drm/nv50: another dodgy DP hack

Allows *some* DP cards to keep working in some corner cases that most
people shouldn't hit.  I hit it all the time with development, so this
can stay for now.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---

diff --git a/drivers/gpu/drm/nouveau/nv50_sor.c b/drivers/gpu/drm/nouveau/nv50_sor.c
index e31ba312c2f..0c68698f23d 100644
--- a/drivers/gpu/drm/nouveau/nv50_sor.c
+++ b/drivers/gpu/drm/nouveau/nv50_sor.c
@@ -337,6 +337,9 @@ nv50_sor_create(struct drm_device *dev, struct dcb_entry *entry)
 		default:
 			break;
 		}
+
+		if (!nv_encoder->dp.mc_unknown)
+			nv_encoder->dp.mc_unknown = 5;
 	}
 
 	return 0;