Commit e6db9579 authored by Ben Skeggs's avatar Ben Skeggs

drm/nouveau/kms/nv50: skip core channel cursor update on position-only changes

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: default avatarBen Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org [4.11+]
parent 36601c2b
......@@ -1119,9 +1119,13 @@ static void
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;
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
......
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