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path: root/drivers/gpu/drm/bridge/lontium-lt9611uxc.c
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Diffstat (limited to 'drivers/gpu/drm/bridge/lontium-lt9611uxc.c')
-rw-r--r--drivers/gpu/drm/bridge/lontium-lt9611uxc.c65
1 files changed, 25 insertions, 40 deletions
diff --git a/drivers/gpu/drm/bridge/lontium-lt9611uxc.c b/drivers/gpu/drm/bridge/lontium-lt9611uxc.c
index 010657ea7af7..33f9716da0ee 100644
--- a/drivers/gpu/drm/bridge/lontium-lt9611uxc.c
+++ b/drivers/gpu/drm/bridge/lontium-lt9611uxc.c
@@ -258,17 +258,18 @@ static struct mipi_dsi_device *lt9611uxc_attach_dsi(struct lt9611uxc *lt9611uxc,
const struct mipi_dsi_device_info info = { "lt9611uxc", 0, NULL };
struct mipi_dsi_device *dsi;
struct mipi_dsi_host *host;
+ struct device *dev = lt9611uxc->dev;
int ret;
host = of_find_mipi_dsi_host_by_node(dsi_node);
if (!host) {
- dev_err(lt9611uxc->dev, "failed to find dsi host\n");
+ dev_err(dev, "failed to find dsi host\n");
return ERR_PTR(-EPROBE_DEFER);
}
- dsi = mipi_dsi_device_register_full(host, &info);
+ dsi = devm_mipi_dsi_device_register_full(dev, host, &info);
if (IS_ERR(dsi)) {
- dev_err(lt9611uxc->dev, "failed to create dsi device\n");
+ dev_err(dev, "failed to create dsi device\n");
return dsi;
}
@@ -277,10 +278,9 @@ static struct mipi_dsi_device *lt9611uxc_attach_dsi(struct lt9611uxc *lt9611uxc,
dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
MIPI_DSI_MODE_VIDEO_HSE;
- ret = mipi_dsi_attach(dsi);
+ ret = devm_mipi_dsi_attach(dev, dsi);
if (ret < 0) {
- dev_err(lt9611uxc->dev, "failed to attach dsi to host\n");
- mipi_dsi_device_unregister(dsi);
+ dev_err(dev, "failed to attach dsi to host\n");
return ERR_PTR(ret);
}
@@ -355,19 +355,6 @@ static int lt9611uxc_connector_init(struct drm_bridge *bridge, struct lt9611uxc
return drm_connector_attach_encoder(&lt9611uxc->connector, bridge->encoder);
}
-static void lt9611uxc_bridge_detach(struct drm_bridge *bridge)
-{
- struct lt9611uxc *lt9611uxc = bridge_to_lt9611uxc(bridge);
-
- if (lt9611uxc->dsi1) {
- mipi_dsi_detach(lt9611uxc->dsi1);
- mipi_dsi_device_unregister(lt9611uxc->dsi1);
- }
-
- mipi_dsi_detach(lt9611uxc->dsi0);
- mipi_dsi_device_unregister(lt9611uxc->dsi0);
-}
-
static int lt9611uxc_bridge_attach(struct drm_bridge *bridge,
enum drm_bridge_attach_flags flags)
{
@@ -380,27 +367,7 @@ static int lt9611uxc_bridge_attach(struct drm_bridge *bridge,
return ret;
}
- /* Attach primary DSI */
- lt9611uxc->dsi0 = lt9611uxc_attach_dsi(lt9611uxc, lt9611uxc->dsi0_node);
- if (IS_ERR(lt9611uxc->dsi0))
- return PTR_ERR(lt9611uxc->dsi0);
-
- /* Attach secondary DSI, if specified */
- if (lt9611uxc->dsi1_node) {
- lt9611uxc->dsi1 = lt9611uxc_attach_dsi(lt9611uxc, lt9611uxc->dsi1_node);
- if (IS_ERR(lt9611uxc->dsi1)) {
- ret = PTR_ERR(lt9611uxc->dsi1);
- goto err_unregister_dsi0;
- }
- }
-
return 0;
-
-err_unregister_dsi0:
- mipi_dsi_detach(lt9611uxc->dsi0);
- mipi_dsi_device_unregister(lt9611uxc->dsi0);
-
- return ret;
}
static enum drm_mode_status
@@ -544,7 +511,6 @@ static struct edid *lt9611uxc_bridge_get_edid(struct drm_bridge *bridge,
static const struct drm_bridge_funcs lt9611uxc_bridge_funcs = {
.attach = lt9611uxc_bridge_attach,
- .detach = lt9611uxc_bridge_detach,
.mode_valid = lt9611uxc_bridge_mode_valid,
.mode_set = lt9611uxc_bridge_mode_set,
.detect = lt9611uxc_bridge_detect,
@@ -980,8 +946,27 @@ retry:
drm_bridge_add(&lt9611uxc->bridge);
+ /* Attach primary DSI */
+ lt9611uxc->dsi0 = lt9611uxc_attach_dsi(lt9611uxc, lt9611uxc->dsi0_node);
+ if (IS_ERR(lt9611uxc->dsi0)) {
+ ret = PTR_ERR(lt9611uxc->dsi0);
+ goto err_remove_bridge;
+ }
+
+ /* Attach secondary DSI, if specified */
+ if (lt9611uxc->dsi1_node) {
+ lt9611uxc->dsi1 = lt9611uxc_attach_dsi(lt9611uxc, lt9611uxc->dsi1_node);
+ if (IS_ERR(lt9611uxc->dsi1)) {
+ ret = PTR_ERR(lt9611uxc->dsi1);
+ goto err_remove_bridge;
+ }
+ }
+
return lt9611uxc_audio_init(dev, lt9611uxc);
+err_remove_bridge:
+ drm_bridge_remove(&lt9611uxc->bridge);
+
err_disable_regulators:
regulator_bulk_disable(ARRAY_SIZE(lt9611uxc->supplies), lt9611uxc->supplies);