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[3/3] UBUNTU: SAUCE: Nouveau: Disable acceleration on GeForce3 cards

Message ID 1270826530-23810-3-git-send-email-apw@canonical.com
State Accepted
Delegated to: Andy Whitcroft
Headers show

Commit Message

Andy Whitcroft April 9, 2010, 3:22 p.m. UTC 
From: Christopher James Halse Rogers <raof@ubuntu.com>

Upstream obviously wants to fix acceleration rather than disable it.
For Lucid however we need these cards to boot more than we need them to
be fast.

With acceleration enabled these cards hang during boot.

BugLink: http://bugs.launchpad.net/bugs/544088

Signed-off-by: Christopher James Halse Rogers <raof@ubuntu.com>
Signed-off-by: Andy Whitcroft <apw@canonical.com>
---
 drivers/gpu/drm/nouveau/nouveau_state.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)
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Patch

diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c
index 462432c..63014f4 100644
--- a/drivers/gpu/drm/nouveau/nouveau_state.c
+++ b/drivers/gpu/drm/nouveau/nouveau_state.c
@@ -614,6 +614,13 @@  static void nouveau_apply_noaccel_quirks (struct drm_device *dev)
 			NV_INFO(dev, "Detected MacBook Pro 9600GT chip. "
 				 "Disabling acceleration\n");
 		}
+		/* At least two of the three nv20 cards hang with acceleration */
+		/* See https://bugs.launchpad.net/bugs/544088 */
+		if (dev_priv->chipset == 0x20) {
+			nouveau_noaccel = 1;
+			NV_INFO(dev, "Detected NV20 (GeForce 3) chip. "
+				 "Disabling acceleration\n");
+		}
 	}
 }