With a call to drm_of_panel_bridge_remove() we could remove the bridge without store it in vc4_dpi internal driver structure.
Signed-off-by: Benjamin Gaignard benjamin.gaignard@linaro.org --- drivers/gpu/drm/vc4/vc4_dpi.c | 17 ++++++----------- 1 file changed, 6 insertions(+), 11 deletions(-)
diff --git a/drivers/gpu/drm/vc4/vc4_dpi.c b/drivers/gpu/drm/vc4/vc4_dpi.c index 519cefe..72c9dbd 100644 --- a/drivers/gpu/drm/vc4/vc4_dpi.c +++ b/drivers/gpu/drm/vc4/vc4_dpi.c @@ -97,8 +97,6 @@ struct vc4_dpi {
struct drm_encoder *encoder; struct drm_connector *connector; - struct drm_bridge *bridge; - bool is_panel_bridge;
void __iomem *regs;
@@ -251,10 +249,11 @@ static int vc4_dpi_init_bridge(struct vc4_dpi *dpi) { struct device *dev = &dpi->pdev->dev; struct drm_panel *panel; + struct drm_bridge *bridge; int ret;
ret = drm_of_find_panel_or_bridge(dev->of_node, 0, 0, - &panel, &dpi->bridge); + &panel, &bridge); if (ret) { /* If nothing was connected in the DT, that's not an * error. @@ -265,13 +264,10 @@ static int vc4_dpi_init_bridge(struct vc4_dpi *dpi) return ret; }
- if (panel) { - dpi->bridge = drm_panel_bridge_add(panel, - DRM_MODE_CONNECTOR_DPI); - dpi->is_panel_bridge = true; - } + if (panel) + bridge = drm_panel_bridge_add(panel, DRM_MODE_CONNECTOR_DPI);
- return drm_bridge_attach(dpi->encoder, dpi->bridge, NULL); + return drm_bridge_attach(dpi->encoder, bridge, NULL); }
static int vc4_dpi_bind(struct device *dev, struct device *master, void *data) @@ -352,8 +348,7 @@ static void vc4_dpi_unbind(struct device *dev, struct device *master, struct vc4_dev *vc4 = to_vc4_dev(drm); struct vc4_dpi *dpi = dev_get_drvdata(dev);
- if (dpi->is_panel_bridge) - drm_panel_bridge_remove(dpi->bridge); + drm_of_panel_bridge_remove(dev->of_node, 0, 0);
drm_encoder_cleanup(dpi->encoder);