On Tue, Mar 23, 2021 at 08:57:42PM +0300, Dmitry Osipenko wrote:
> 23.03.2021 18:54, Thierry Reding пишет:
> > @@ -920,15 +934,42 @@ static void tegra_cursor_atomic_update(struct drm_plane *plane,
> > value = tegra_dc_readl(dc, DC_DISP_BLEND_CURSOR_CONTROL);
> > value &= ~CURSOR_DST_BLEND_MASK;
> > value &= ~CURSOR_SRC_BLEND_MASK;
> > - value |= CURSOR_MODE_NORMAL;
> > +
> > + if (dc->soc->has_nvdisplay)
> > + value &= ~CURSOR_COMPOSITION_MODE_XOR;
> > + else
> > + value |= CURSOR_MODE_NORMAL;
> > +
> > value |= CURSOR_DST_BLEND_NEG_K1_TIMES_SRC;
> > value |= CURSOR_SRC_BLEND_K1_TIMES_SRC;
> > value |= CURSOR_ALPHA;
> > tegra_dc_writel(dc, value, DC_DISP_BLEND_CURSOR_CONTROL);
> >
> > + /* nvdisplay relies on software for clipping */
> > + if (dc->soc->has_nvdisplay) {
>
> But coordinates already should be clipped by
> drm_atomic_helper_check_plane_state().
Yes, and the driver goes on to use the clipped coordinates later on in
this function.
Thierry
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