TV TCONs are always connected to TV or HDMI encoder, so it doesn't make sense to check if panel or bridge is connected to them. Check if TCON has channel 0 and only then check for connected panel or bridges. Signed-off-by: Jernej Skrabec <jernej.skrabec@xxxxxxxx> --- drivers/gpu/drm/sun4i/sun4i_tcon.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c index 761687ebacba..a41c7bb0d557 100644 --- a/drivers/gpu/drm/sun4i/sun4i_tcon.c +++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c @@ -1178,13 +1178,19 @@ static const struct component_ops sun4i_tcon_ops = { static int sun4i_tcon_probe(struct platform_device *pdev) { struct device_node *node = pdev->dev.of_node; + const struct sun4i_tcon_quirks *quirks; struct drm_bridge *bridge; struct drm_panel *panel; int ret; - ret = drm_of_find_panel_or_bridge(node, 1, 0, &panel, &bridge); - if (ret == -EPROBE_DEFER) - return ret; + quirks = of_device_get_match_data(&pdev->dev); + + /* panels and bridges are present only on TCONs with channel 0 */ + if (quirks->has_channel_0) { + ret = drm_of_find_panel_or_bridge(node, 1, 0, &panel, &bridge); + if (ret == -EPROBE_DEFER) + return ret; + } return component_add(&pdev->dev, &sun4i_tcon_ops); } -- 2.18.0 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel