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drm/vmwgfx: Plane atomic state

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Add plane state handling functions.

We have to keep track of a few plane states so we cannot use the
DRM helper for this.

Created vmw_plane_state along with functions to reset, duplicate,
and destroty it.

v2
* Removed cursor clean up special case

Signed-off-by: Sinclair Yeh <syeh@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Acked-by: Daniel Vetter <daniel@ffwll.ch>
This commit is contained in:
Sinclair Yeh
2017-03-23 11:36:05 -07:00
parent 9c2542a41f
commit cc5ec459de
5 changed files with 150 additions and 0 deletions
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13
drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
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@@ -325,12 +325,18 @@ static const struct drm_plane_funcs vmw_ldu_plane_funcs = {
.update_plane = drm_primary_helper_update,
.disable_plane = drm_primary_helper_disable,
.destroy = vmw_du_primary_plane_destroy,
.reset = vmw_du_plane_reset,
.atomic_duplicate_state = vmw_du_plane_duplicate_state,
.atomic_destroy_state = vmw_du_plane_destroy_state,
};
static const struct drm_plane_funcs vmw_ldu_cursor_funcs = {
.update_plane = vmw_du_cursor_plane_update,
.disable_plane = vmw_du_cursor_plane_disable,
.destroy = vmw_du_cursor_plane_destroy,
.reset = vmw_du_plane_reset,
.atomic_duplicate_state = vmw_du_plane_duplicate_state,
.atomic_destroy_state = vmw_du_plane_destroy_state,
};
@@ -340,6 +346,7 @@ static int vmw_ldu_init(struct vmw_private *dev_priv, unsigned unit)
struct drm_device *dev = dev_priv->dev;
struct drm_connector *connector;
struct drm_encoder *encoder;
struct drm_plane *primary, *cursor;
struct drm_crtc *crtc;
int ret;
@@ -351,6 +358,8 @@ static int vmw_ldu_init(struct vmw_private *dev_priv, unsigned unit)
crtc = &ldu->base.crtc;
encoder = &ldu->base.encoder;
connector = &ldu->base.connector;
primary = &ldu->base.primary;
cursor = &ldu->base.cursor;
INIT_LIST_HEAD(&ldu->active);
@@ -366,6 +375,8 @@ static int vmw_ldu_init(struct vmw_private *dev_priv, unsigned unit)
ldu->base.is_implicit = true;
/* Initialize primary plane */
vmw_du_plane_reset(primary);
ret = drm_universal_plane_init(dev, &ldu->base.primary,
0, &vmw_ldu_plane_funcs,
vmw_primary_plane_formats,
@@ -377,6 +388,8 @@ static int vmw_ldu_init(struct vmw_private *dev_priv, unsigned unit)
}
/* Initialize cursor plane */
vmw_du_plane_reset(cursor);
ret = drm_universal_plane_init(dev, &ldu->base.cursor,
0, &vmw_ldu_cursor_funcs,
vmw_cursor_plane_formats,