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Subject[PATCH v2 4/5] drm/vc4: remove bridge from driver internal structure
Date
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);

--
2.7.4
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