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| author | Jakob Bornecrantz <jakob@vmware.com> | 2010-05-28 11:21:56 +0200 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2010-06-01 09:37:09 +1000 |
| commit | 04e9e94dba3e564ce810cedab88e957dfd681b4a (patch) | |
| tree | 7a016ce4e2c754786bff24a9b0342662c09d2e2e /drivers | |
| parent | 6a591a96d7315fbe81acc33e20bab4956d1f02a3 (diff) | |
| download | linux-stable-04e9e94dba3e564ce810cedab88e957dfd681b4a.tar.gz linux-stable-04e9e94dba3e564ce810cedab88e957dfd681b4a.tar.bz2 linux-stable-04e9e94dba3e564ce810cedab88e957dfd681b4a.zip | |
drm/vmwgfx: Make sure to unpin old and pin new framebuffer.
Signed-off-by: Jakob Bornecrantz <jakob@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c index a348fec22137..e1b3cf539b4a 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c @@ -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; } |