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drm/vmwgfx: Make sure to unpin old and pin new framebuffer.

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Signed-off-by: Jakob Bornecrantz <jakob@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Jakob Bornecrantz 2010-05-28 11:21:56 +02:00 committed by Dave Airlie
parent 6a591a96d7
commit 04e9e94dba
1 changed files with 11 additions and 6 deletions
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17
drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
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@ -150,6 +150,15 @@ static int vmw_ldu_add_active(struct vmw_private *vmw_priv,
struct vmw_legacy_display_unit *entry;
struct list_head *at;
BUG_ON(!ld->num_active && ld->fb);
if (vfb != ld->fb) {
if (ld->fb && ld->fb->unpin)
ld->fb->unpin(ld->fb);
if (vfb->pin)
vfb->pin(vfb);
ld->fb = vfb;
}
if (!list_empty(&ldu->active))
return 0;
@ -162,12 +171,8 @@ static int vmw_ldu_add_active(struct vmw_private *vmw_priv,
}
list_add(&ldu->active, at);
if (ld->num_active++ == 0) {
BUG_ON(ld->fb);
if (vfb->pin)
vfb->pin(vfb);
ld->fb = vfb;
}
ld->num_active++;
return 0;
}