Use drm_plane_helper_check_update also for the cursor plane.
Avoid uploading a new cursor image on each cursor move and
only upload cursor images on cursor fb changes, assuming that we're
in effect page-flipping the cursor, which is exactly what the
legacy helper does. Cursor front-buffer like rendering using atomic
still needs some kind of atomic damage interface.
Signed-off-by: Thomas Hellstrom <thellst...@vmware.com>
Reviewed-by: Brian Paul <bri...@vmware.com>
---
drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 45 ++++++++++++++++++++++++-------------
1 file changed, 30 insertions(+), 15 deletions(-)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 3f1ed51..34ee856 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -393,21 +393,24 @@ vmw_du_cursor_plane_atomic_update(struct drm_plane *plane,
du->cursor_surface = vps->surf;
du->cursor_dmabuf = vps->dmabuf;
- /* setup new image */
- if (vps->surf) {
- du->cursor_age = du->cursor_surface->snooper.age;
-
- ret = vmw_cursor_update_image(dev_priv,
- vps->surf->snooper.image,
- 64, 64, hotspot_x, hotspot_y);
- } else if (vps->dmabuf) {
- ret = vmw_cursor_update_dmabuf(dev_priv, vps->dmabuf,
- plane->state->crtc_w,
- plane->state->crtc_h,
- hotspot_x, hotspot_y);
- } else {
- vmw_cursor_update_position(dev_priv, false, 0, 0);
- return;
+ /* Do we have a new image? */
+ if (!old_state || !old_state->fb || plane->state->fb != old_state->fb) {
+ if (vps->surf) {
+ du->cursor_age = du->cursor_surface->snooper.age;
+
+ ret = vmw_cursor_update_image(dev_priv,
+ vps->surf->snooper.image,
+ 64, 64, hotspot_x,
+ hotspot_y);
+ } else if (vps->dmabuf) {
+ ret = vmw_cursor_update_dmabuf(dev_priv, vps->dmabuf,
+ plane->state->crtc_w,
+ plane->state->crtc_h,
+ hotspot_x, hotspot_y);
+ } else {
+ vmw_cursor_update_position(dev_priv, false, 0, 0);
+ return;
+ }
}
if (!ret) {
@@ -503,11 +506,23 @@ int vmw_du_cursor_plane_atomic_check(struct drm_plane
*plane,
struct vmw_surface *surface = NULL;
struct drm_framebuffer *fb = new_state->fb;
+ struct drm_rect src = drm_plane_state_src(new_state);
+ struct drm_rect dest = drm_plane_state_dest(new_state);
+ struct drm_rect clip = dest;
/* Turning off */
if (!fb)
return ret;
+ ret = drm_plane_helper_check_update(plane, new_state->crtc, fb,
+ &src, &dest, &clip,
+ DRM_MODE_ROTATE_0,
+ DRM_PLANE_HELPER_NO_SCALING,
+ DRM_PLANE_HELPER_NO_SCALING,
+ true, true, &new_state->visible);
+ if (!ret)
+ return ret;
+
/* A lot of the code assumes this */
if (new_state->crtc_w != 64 || new_state->crtc_h != 64) {
DRM_ERROR("Invalid cursor dimensions (%d, %d)\n",
--
2.7.4
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