* [PATCH] drm/imx: imx-ldb: detach existing panels when unbinding the driver
@ 2016-08-12 10:06 Liu Ying
0 siblings, 0 replies; only message in thread
From: Liu Ying @ 2016-08-12 10:06 UTC (permalink / raw)
To: dri-devel
We should detach existing panels when unbinding the driver since
they are attached at the binding stage, otherwise, the attaching
function would return the -EBUSY value when the ldb driver module
is installed again.
Signed-off-by: Liu Ying <gnuiyl@gmail.com>
---
drivers/gpu/drm/imx/imx-ldb.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/imx/imx-ldb.c b/drivers/gpu/drm/imx/imx-ldb.c
index 4eed3a6..a22c6f7 100644
--- a/drivers/gpu/drm/imx/imx-ldb.c
+++ b/drivers/gpu/drm/imx/imx-ldb.c
@@ -757,6 +757,9 @@ static void imx_ldb_unbind(struct device *dev, struct device *master,
for (i = 0; i < 2; i++) {
struct imx_ldb_channel *channel = &imx_ldb->channel[i];
+ if (channel->panel)
+ drm_panel_detach(channel->panel);
+
if (!channel->connector.funcs)
continue;
--
2.7.4
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2016-08-12 10:06 [PATCH] drm/imx: imx-ldb: detach existing panels when unbinding the driver Liu Ying
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