The DRM core used to only call prepare_fb/cleanup_fb() when a plane's
framebuffer changed, which achieved the desired effect.
It's apparently now up to the driver to decide on its own.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org [4.11+]
nv50_curs_prepare(struct nv50_wndw *wndw, struct nv50_head_atom *asyh,
struct nv50_wndw_atom *asyw)
{
- asyh->curs.handle = nv50_disp(wndw->plane.dev)->mast.base.vram.handle;
- asyh->curs.offset = asyw->image.offset;
- asyh->set.curs = asyh->curs.visible;
+ u32 handle = nv50_disp(wndw->plane.dev)->mast.base.vram.handle;
+ u32 offset = asyw->image.offset;
+ if (asyh->curs.handle != handle || asyh->curs.offset != offset) {
+ asyh->curs.handle = handle;
+ asyh->curs.offset = offset;
+ asyh->set.curs = asyh->curs.visible;
+ }
}
static void