[Nouveau] [Bug 54786] random crashes of X with failed to idle channel 0xcccc0000

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=54786

--- Comment #2 from Mark Einon <mark.einon at gmail.com> ---
I've run a bisect on Linus' master branch, and narrowed the issue down to this
one line change, which isn't much to go on. It looks like the change of struct
type has caused issues where it is used elsewhere :

commit 7707b701ebfea64afa6bfb23aa318fd687892754
Author: Marcin Slusarz <marcin.slusarz at gmail.com>
Commit: Ben Skeggs <bskeggs at redhat.com>

    drm/nv40/mpeg: fix context handling

    It slipped in thanks to typeless API.

    Signed-off-by: Marcin Slusarz <marcin.slusarz at gmail.com>
    Signed-off-by: Ben Skeggs <bskeggs at redhat.com>

diff --git a/drivers/gpu/drm/nouveau/core/engine/mpeg/nv40.c
b/drivers/gpu/drm/n
index 1241857..f7c581a 100644
--- a/drivers/gpu/drm/nouveau/core/engine/mpeg/nv40.c
+++ b/drivers/gpu/drm/nouveau/core/engine/mpeg/nv40.c
@@ -38,7 +38,7 @@ struct nv40_mpeg_priv {
 };

 struct nv40_mpeg_chan {
- struct nouveau_mpeg base;
+ struct nouveau_mpeg_chan base;
 };

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