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().
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