Hi, Hsin-yi: On Mon, 2019-05-27 at 12:50 +0800, Hsin-Yi Wang wrote: > move mipi_dsi_host_unregister() to .remove since mipi_dsi_host_register() > is called in .probe.
In the latest kernel [1], mipi_dsi_host_register() is called in mtk_dsi_bind(), I think we don't need this part. [1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/gpu/drm/mediatek/mtk_dsi.c?h=v5.2-rc2 > > detatch panel in mtk_dsi_destroy_conn_enc(), since .bind will try to > attach it again. > > Fixes: 2e54c14e310f ("drm/mediatek: Add DSI sub driver") > Signed-off-by: Hsin-Yi Wang <hsi...@chromium.org> > --- > drivers/gpu/drm/mediatek/mtk_dsi.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c > b/drivers/gpu/drm/mediatek/mtk_dsi.c > index b00eb2d2e086..c9b6d3a68c8b 100644 > --- a/drivers/gpu/drm/mediatek/mtk_dsi.c > +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c > @@ -844,6 +844,8 @@ static void mtk_dsi_destroy_conn_enc(struct mtk_dsi *dsi) > /* Skip connector cleanup if creation was delegated to the bridge */ > if (dsi->conn.dev) > drm_connector_cleanup(&dsi->conn); > + if (dsi->panel) > + drm_panel_detach(dsi->panel); I think mtk_dsi_destroy_conn_enc() has much thing to do and I would like you to do more. You could refer to [2] for complete implementation. [2] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/gpu/drm/exynos/exynos_drm_dsi.c?h=v5.2-rc2#n1575 Regards, CK > } > > static void mtk_dsi_ddp_start(struct mtk_ddp_comp *comp) > @@ -1073,7 +1075,6 @@ static void mtk_dsi_unbind(struct device *dev, struct > device *master, > struct mtk_dsi *dsi = dev_get_drvdata(dev); > > mtk_dsi_destroy_conn_enc(dsi); > - mipi_dsi_host_unregister(&dsi->host); > mtk_ddp_comp_unregister(drm, &dsi->ddp_comp); > } > > @@ -1179,6 +1180,7 @@ static int mtk_dsi_remove(struct platform_device *pdev) > > mtk_output_dsi_disable(dsi); > component_del(&pdev->dev, &mtk_dsi_component_ops); > + mipi_dsi_host_unregister(&dsi->host); > > return 0; > } _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
