linux-kernel - [PATCH 3.13 005/172] drm/nouveau/fb: use correct ram oclass for nv1a hardware

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Date:	Tue,  4 Mar 2014 12:01:29 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, "John F. Godfrey" <jfgodfrey@...il.com>,
	Emil Velikov <emil.l.velikov@...il.com>,
	Ben Skeggs <bskeggs@...hat.com>
Subject: [PATCH 3.13 005/172] drm/nouveau/fb: use correct ram oclass for nv1a hardware

3.13-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Emil Velikov <emil.l.velikov@...il.com>

commit 95ca5b550ac255bf3cee108c123407785c47e3cc upstream.

commit 8613e7314ac254fdd67ed46192f021d76141e4c9
Author: Ben Skeggs <bskeggs@...hat.com>
Date:   Mon Oct 21 08:50:25 2013 +1000

    drm/nouveau/fb: remove ram oclass argument from base fb constructor

Introduced a unfortunate regression by using nv10 ram oclass for nv1a
hardware, causing corruption and eventually system lockup.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=74866
Reported-by: John F. Godfrey <jfgodfrey@...il.com>
Signed-off-by: Emil Velikov <emil.l.velikov@...il.com>
Signed-off-by: Ben Skeggs <bskeggs@...hat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/gpu/drm/nouveau/core/subdev/fb/nv1a.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/nouveau/core/subdev/fb/nv1a.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/fb/nv1a.c
@@ -36,7 +36,7 @@ nv1a_fb_oclass = &(struct nv04_fb_impl)
 		.fini = _nouveau_fb_fini,
 	},
 	.base.memtype = nv04_fb_memtype_valid,
-	.base.ram = &nv10_ram_oclass,
+	.base.ram = &nv1a_ram_oclass,
 	.tile.regions = 8,
 	.tile.init = nv10_fb_tile_init,
 	.tile.fini = nv10_fb_tile_fini,


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