diff options
author | Maxime Ripard <maxime@cerno.tech> | 2021-10-25 17:15:24 +0200 |
---|---|---|
committer | Maxime Ripard <maxime@cerno.tech> | 2021-10-27 22:07:57 +0200 |
commit | 293ada7b058e536d9d53d0d8840c6ba8c2f718e4 (patch) | |
tree | 5ae0bf75d9785a6b26ddbb83934219400b886021 /drivers/gpu/drm/bridge | |
parent | drm/bridge: lt9611: Register and attach our DSI device at probe (diff) | |
download | linux-293ada7b058e536d9d53d0d8840c6ba8c2f718e4.tar.xz linux-293ada7b058e536d9d53d0d8840c6ba8c2f718e4.zip |
drm/bridge: lt9611uxc: Switch to devm MIPI-DSI helpers
Let's switch to the new devm MIPI-DSI function to register and attach
our secondary device.
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20211025151536.1048186-10-maxime@cerno.tech
Diffstat (limited to 'drivers/gpu/drm/bridge')
-rw-r--r-- | drivers/gpu/drm/bridge/lontium-lt9611uxc.c | 38 |
1 files changed, 8 insertions, 30 deletions
diff --git a/drivers/gpu/drm/bridge/lontium-lt9611uxc.c b/drivers/gpu/drm/bridge/lontium-lt9611uxc.c index 010657ea7af7..ab1a0c00aad8 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(<9611uxc->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) { @@ -388,19 +375,11 @@ static int lt9611uxc_bridge_attach(struct drm_bridge *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_unregister_dsi0; - } + if (IS_ERR(lt9611uxc->dsi1)) + return PTR_ERR(lt9611uxc->dsi1); } 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 +523,6 @@ 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, |