-static void tegra_dsi_encoder_disable(struct drm_encoder *encoder)
-{
- struct tegra_output *output = encoder_to_output(encoder);
- struct tegra_dc *dc = to_tegra_dc(encoder->crtc);
- struct tegra_dsi *dsi = to_dsi(output);
- u32 value;
- int err;
-
- if (output->panel)
- drm_panel_disable(output->panel);
-
- tegra_dsi_video_disable(dsi);
-
- /*
- * The following accesses registers of the display controller, so make
- * sure it's only executed when the output is attached to one.
- */
- if (dc) {
- value = tegra_dc_readl(dc, DC_DISP_DISP_WIN_OPTIONS);
- value &= ~DSI_ENABLE;
- tegra_dc_writel(dc, value, DC_DISP_DISP_WIN_OPTIONS);
-
- tegra_dc_commit(dc);
- }
-
- err = tegra_dsi_wait_idle(dsi, 100);
- if (err < 0)
- dev_dbg(dsi->dev, "failed to idle DSI: %d\n", err);
-
- tegra_dsi_soft_reset(dsi);
-
- if (output->panel)
- drm_panel_unprepare(output->panel);
-
- tegra_dsi_disable(dsi);
-
- return;
-}
-