From 9ab12e88a0b46b4e6fa32bb0a2875c813a928e73 Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Mon, 11 Sep 2017 00:08:01 +0200 Subject: [PATCH] drm/tve200: Clean up panel bridging This makes use of the drm_simple_display_pipe_attach_bridge() call and removes the two calls removing the bridge, which were erroneous: they unregister the bridge which is not what we want, we just want to unreference it and that is already handled by the core. Reviewed-by: Eric Anholt Acked-by: Daniel Vetter Signed-off-by: Linus Walleij Link: https://patchwork.freedesktop.org/patch/msgid/20170910220801.28588-1-linus.walleij@linaro.org --- drivers/gpu/drm/tve200/tve200_display.c | 3 --- drivers/gpu/drm/tve200/tve200_drm.h | 1 - drivers/gpu/drm/tve200/tve200_drv.c | 30 +++++++++++++----------------- 3 files changed, 13 insertions(+), 21 deletions(-) diff --git a/drivers/gpu/drm/tve200/tve200_display.c b/drivers/gpu/drm/tve200/tve200_display.c index 1ad02fd..18457de 100644 --- a/drivers/gpu/drm/tve200/tve200_display.c +++ b/drivers/gpu/drm/tve200/tve200_display.c @@ -333,8 +333,5 @@ int tve200_display_init(struct drm_device *drm) if (ret) return ret; - /* We need the encoder to attach the bridge */ - priv->encoder = &priv->pipe.encoder; - return 0; } diff --git a/drivers/gpu/drm/tve200/tve200_drm.h b/drivers/gpu/drm/tve200/tve200_drm.h index b463624..628b793 100644 --- a/drivers/gpu/drm/tve200/tve200_drm.h +++ b/drivers/gpu/drm/tve200/tve200_drm.h @@ -100,7 +100,6 @@ struct tve200_drm_dev_private { struct drm_device *drm; struct drm_connector *connector; - struct drm_encoder *encoder; struct drm_panel *panel; struct drm_bridge *bridge; struct drm_simple_display_pipe pipe; diff --git a/drivers/gpu/drm/tve200/tve200_drv.c b/drivers/gpu/drm/tve200/tve200_drv.c index c226446..eae38b6 100644 --- a/drivers/gpu/drm/tve200/tve200_drv.c +++ b/drivers/gpu/drm/tve200/tve200_drv.c @@ -87,6 +87,14 @@ static int tve200_modeset_init(struct drm_device *dev) ret = PTR_ERR(bridge); goto out_bridge; } + } else { + /* + * TODO: when we are using a different bridge than a panel + * (such as a dumb VGA connector) we need to devise a different + * method to get the connector out of the bridge. + */ + dev_err(dev->dev, "the bridge is not a panel\n"); + goto out_bridge; } ret = tve200_display_init(dev); @@ -95,21 +103,13 @@ static int tve200_modeset_init(struct drm_device *dev) goto out_bridge; } - if (bridge) { - ret = drm_bridge_attach(priv->encoder, bridge, NULL); - if (ret) - goto out_bridge; - } - - /* - * TODO: when we are using a different bridge than a panel - * (such as a dumb VGA connector) we need to devise a different - * method to get the connector out of the bridge. - */ - if (!panel) { - dev_err(dev->dev, "the bridge is not a panel\n"); + ret = drm_simple_display_pipe_attach_bridge(&priv->pipe, + bridge); + if (ret) { + dev_err(dev->dev, "failed to attach bridge\n"); goto out_bridge; } + priv->panel = panel; priv->connector = panel->connector; priv->bridge = bridge; @@ -138,8 +138,6 @@ static int tve200_modeset_init(struct drm_device *dev) out_bridge: if (panel) drm_panel_bridge_remove(bridge); - else - drm_bridge_remove(bridge); drm_mode_config_cleanup(dev); finish: return ret; @@ -275,8 +273,6 @@ static int tve200_remove(struct platform_device *pdev) drm_fbdev_cma_fini(priv->fbdev); if (priv->panel) drm_panel_bridge_remove(priv->bridge); - else - drm_bridge_remove(priv->bridge); drm_mode_config_cleanup(drm); clk_disable_unprepare(priv->pclk); drm_dev_unref(drm); -- 2.7.4