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authorJakob Bornecrantz <jakob@vmware.com>2010-05-28 11:21:55 +0200
committerDave Airlie <airlied@redhat.com>2010-06-01 09:36:59 +1000
commit6a591a96d7315fbe81acc33e20bab4956d1f02a3 (patch)
tree8be64f96e6ab6c766a66d6a86fefcc3d3f5b2901 /drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
parent7e71f8a59e1c9adbbc3b737b4b818c8aa4169d0e (diff)
drm/vmwgfx: Fix single framebuffer detection.
V2: Fix a typo. 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/gpu/drm/vmwgfx/vmwgfx_ldu.c')
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
index 90891593bf6..a348fec2213 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
@@ -130,6 +130,7 @@ static int vmw_ldu_del_active(struct vmw_private *vmw_priv,
if (list_empty(&ldu->active))
return 0;
+ /* Must init otherwise list_empty(&ldu->active) will not work. */
list_del_init(&ldu->active);
if (--(ld->num_active) == 0) {
BUG_ON(!ld->fb);
@@ -208,6 +209,8 @@ static int vmw_ldu_crtc_set_config(struct drm_mode_set *set)
/* ldu only supports one fb active at the time */
if (dev_priv->ldu_priv->fb && vfb &&
+ !(dev_priv->ldu_priv->num_active == 1 &&
+ !list_empty(&ldu->active)) &&
dev_priv->ldu_priv->fb != vfb) {
DRM_ERROR("Multiple framebuffers not supported\n");
return -EINVAL;