drm/vmwgfx: Update comments for stdu plane update
Update the comments to sync with code. Signed-off-by: Deepak Rawat <drawat@vmware.com> Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com> Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
This commit is contained in:
parent
4606eeaf67
commit
88b37c3ae7
|
@ -1656,7 +1656,6 @@ static int vmw_stdu_plane_update_surface(struct vmw_private *dev_priv,
|
|||
|
||||
/**
|
||||
* vmw_stdu_primary_plane_atomic_update - formally switches STDU to new plane
|
||||
*
|
||||
* @plane: display plane
|
||||
* @old_state: Only used to get crtc info
|
||||
*
|
||||
|
@ -1677,10 +1676,7 @@ vmw_stdu_primary_plane_atomic_update(struct drm_plane *plane,
|
|||
struct vmw_private *dev_priv;
|
||||
int ret;
|
||||
|
||||
/*
|
||||
* We cannot really fail this function, so if we do, then output an
|
||||
* error and maintain consistent atomic state.
|
||||
*/
|
||||
/* If case of device error, maintain consistent atomic state */
|
||||
if (crtc && plane->state->fb) {
|
||||
struct vmw_framebuffer *vfb =
|
||||
vmw_framebuffer_to_vfb(plane->state->fb);
|
||||
|
@ -1709,12 +1705,7 @@ vmw_stdu_primary_plane_atomic_update(struct drm_plane *plane,
|
|||
stdu = vmw_crtc_to_stdu(crtc);
|
||||
dev_priv = vmw_priv(crtc->dev);
|
||||
|
||||
/*
|
||||
* When disabling a plane, CRTC and FB should always be NULL
|
||||
* together, otherwise it's an error.
|
||||
* Here primary plane is being disable so blank the screen
|
||||
* target display unit, if not already done.
|
||||
*/
|
||||
/* Blank STDU when fb and crtc are NULL */
|
||||
if (!stdu->defined)
|
||||
return;
|
||||
|
||||
|
@ -1729,11 +1720,8 @@ vmw_stdu_primary_plane_atomic_update(struct drm_plane *plane,
|
|||
return;
|
||||
}
|
||||
|
||||
/* In case of error, vblank event is send in vmw_du_crtc_atomic_flush */
|
||||
event = crtc->state->event;
|
||||
/*
|
||||
* In case of failure and other cases, vblank event will be sent in
|
||||
* vmw_du_crtc_atomic_flush.
|
||||
*/
|
||||
if (event && fence) {
|
||||
struct drm_file *file_priv = event->base.file_priv;
|
||||
|
||||
|
|
Loading…
Reference in a new issue