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drm/vmwgfx: Fixes to vmwgfx_fb 

1.  When unsetting a mode, num_connector should be set to zero
2.  The pixel_format field needs to be initialized as newer DRM internal
    functions checks this field
3.  Take the drm_modeset_lock_all() because vmw_fb_kms_detach() can
    change current mode

Signed-off-by: Sinclair Yeh <syeh@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
This commit is contained in:
Sinclair Yeh 2017-03-23 14:28:21 -07:00
parent c46a30644a
commit aa74f0687c
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
View File

@ -434,7 +434,7 @@ static int vmw_fb_kms_detach(struct vmw_fb_par *par,
set.y = 0;
set.mode = NULL;
set.fb = NULL;
set.num_connectors = 1;
set.num_connectors = 0;
set.connectors = &par->con;
ret = drm_mode_set_config_internal(&set);
if (ret) {
@ -822,7 +822,9 @@ int vmw_fb_off(struct vmw_private *vmw_priv)
flush_delayed_work(&par->local_work);
mutex_lock(&par->bo_mutex);
drm_modeset_lock_all(vmw_priv->dev);
(void) vmw_fb_kms_detach(par, true, false);
drm_modeset_unlock_all(vmw_priv->dev);
mutex_unlock(&par->bo_mutex);
return 0;