diff options
| author | Jakob Bornecrantz <jakob@vmware.com> | 2011-10-17 11:59:43 +0200 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2011-10-18 09:39:01 +0100 |
| commit | 60a16a30d97e8acc9bfed5f4bd1dd03e21a479ea (patch) | |
| tree | 39731fbd2536bd8f5444b2ba9750c9eb51ce1b1c /drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c | |
| parent | b07759bf41d52aaecd5de92c7d725d6834b23349 (diff) | |
| download | linux-60a16a30d97e8acc9bfed5f4bd1dd03e21a479ea.tar.bz2 | |
vmwgfx: Fix display system init & close functions
Make sure we null the display private, make sure we catch and
handle vblank failing to init and don't call vblank_cleanup if
we haven't initialized the display system.
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.c | 30 |
1 files changed, 22 insertions, 8 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c index 7fc8e7de180b..a8830d730dc1 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c @@ -380,18 +380,31 @@ int vmw_kms_init_legacy_display_system(struct vmw_private *dev_priv) dev_priv->ldu_priv->last_num_active = 0; dev_priv->ldu_priv->fb = NULL; - drm_mode_create_dirty_info_property(dev_priv->dev); + /* for old hardware without multimon only enable one display */ + if (dev_priv->capabilities & SVGA_CAP_MULTIMON) + ret = drm_vblank_init(dev, VMWGFX_NUM_DISPLAY_UNITS); + else + ret = drm_vblank_init(dev, 1); + if (ret != 0) + goto err_free; - if (dev_priv->capabilities & SVGA_CAP_MULTIMON) { + ret = drm_mode_create_dirty_info_property(dev); + if (ret != 0) + goto err_vblank_cleanup; + + if (dev_priv->capabilities & SVGA_CAP_MULTIMON) for (i = 0; i < VMWGFX_NUM_DISPLAY_UNITS; ++i) vmw_ldu_init(dev_priv, i); - ret = drm_vblank_init(dev, VMWGFX_NUM_DISPLAY_UNITS); - } else { - /* for old hardware without multimon only enable one display */ + else vmw_ldu_init(dev_priv, 0); - ret = drm_vblank_init(dev, 1); - } + return 0; + +err_vblank_cleanup: + drm_vblank_cleanup(dev); +err_free: + kfree(dev_priv->ldu_priv); + dev_priv->ldu_priv = NULL; return ret; } @@ -399,10 +412,11 @@ int vmw_kms_close_legacy_display_system(struct vmw_private *dev_priv) { struct drm_device *dev = dev_priv->dev; - drm_vblank_cleanup(dev); if (!dev_priv->ldu_priv) return -ENOSYS; + drm_vblank_cleanup(dev); + BUG_ON(!list_empty(&dev_priv->ldu_priv->active)); kfree(dev_priv->ldu_priv); |