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    Subject[51/80] drm/nv50: initialize ramht_refs list for faked 0 channel
    2.6.35-stable review patch.  If anyone has any objections, please let us know.

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

    From: Marcin Slusarz <marcin.slusarz@gmail.com>

    commit 615661f3948a066fd22a36fe8ea0c528b75ee373 upstream.

    We need it for PFIFO_INTR_CACHE_ERROR interrupt handling,
    because nouveau_fifo_swmthd looks for matching gpuobj in
    ramht_refs list.
    It fixes kernel panic in nouveau_gpuobj_ref_find.

    Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
    Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

    ---
    drivers/gpu/drm/nouveau/nv50_instmem.c | 2 ++
    1 file changed, 2 insertions(+)

    --- a/drivers/gpu/drm/nouveau/nv50_instmem.c
    +++ b/drivers/gpu/drm/nouveau/nv50_instmem.c
    @@ -141,6 +141,8 @@ nv50_instmem_init(struct drm_device *dev
    chan->file_priv = (struct drm_file *)-2;
    dev_priv->fifos[0] = dev_priv->fifos[127] = chan;

    + INIT_LIST_HEAD(&chan->ramht_refs);
    +
    /* Channel's PRAMIN object + heap */
    ret = nouveau_gpuobj_new_fake(dev, 0, c_offset, c_size, 0,
    NULL, &chan->ramin);



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