On 04/27/2010 08:45 PM, Thomas Hellstrom wrote:
> From: Jakob Bornecrantz<jakob at vmware.com>
>
> Signed-off-by: Jakob Bornecrantz<jakob at vmware.com>
> Signed-off-by: Thomas Hellstrom<thellstrom at vmware.com>
> ---
> drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c | 3 +++
> 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 9089159..be88fc6 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) well not work */
Spelling well->will
> 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;
