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drm/vc4: remove bridge from driver internal structure
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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>
Reviewed-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/1506936888-23844-5-git-send-email-benjamin.gaignard@linaro.org
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benjamin.gaignard@linaro.org committed Oct 10, 2017
1 parent 08de7af commit 8f6b06c
Showing 1 changed file with 6 additions and 11 deletions.
17 changes: 6 additions & 11 deletions drivers/gpu/drm/vc4/vc4_dpi.c
Original file line number Diff line number Diff line change
Expand Up @@ -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;

Expand Down Expand Up @@ -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.
Expand All @@ -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)
Expand Down Expand Up @@ -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);

Expand Down

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