drm/bridge: ti-sn65dsi83: Implement .detach callback

Move detach implementation from sn65dsi83_remove() to dedicated
.detach callback. There is no functional change to the code, but
that detach is now in the correct location.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Jagan Teki <jagan@amarulasolutions.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Robert Foss <robert.foss@linaro.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: dri-devel@lists.freedesktop.org
Reviewed-by: Robert Foss <robert.foss@linaro.org>
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210907024038.871299-1-marex@denx.de

diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi83.c b/drivers/gpu/drm/bridge/ti-sn65dsi83.c
index a32f70b..ba1160e 100644 (file)
--- a/drivers/gpu/drm/bridge/ti-sn65dsi83.c
+++ b/drivers/gpu/drm/bridge/ti-sn65dsi83.c
@@ -288,6 +288,19 @@ err_dsi_attach:
        return ret;
 }
 
+static void sn65dsi83_detach(struct drm_bridge *bridge)
+{
+       struct sn65dsi83 *ctx = bridge_to_sn65dsi83(bridge);
+
+       if (!ctx->dsi)
+               return;
+
+       mipi_dsi_detach(ctx->dsi);
+       mipi_dsi_device_unregister(ctx->dsi);
+       drm_bridge_remove(&ctx->bridge);
+       ctx->dsi = NULL;
+}
+
 static void sn65dsi83_atomic_pre_enable(struct drm_bridge *bridge,
                                        struct drm_bridge_state *old_bridge_state)
 {
@@ -583,6 +596,7 @@ sn65dsi83_atomic_get_input_bus_fmts(struct drm_bridge *bridge,
 
 static const struct drm_bridge_funcs sn65dsi83_funcs = {
        .attach                 = sn65dsi83_attach,
+       .detach                 = sn65dsi83_detach,
        .atomic_pre_enable      = sn65dsi83_atomic_pre_enable,
        .atomic_enable          = sn65dsi83_atomic_enable,
        .atomic_disable         = sn65dsi83_atomic_disable,
@@ -697,9 +711,6 @@ static int sn65dsi83_remove(struct i2c_client *client)
 {
        struct sn65dsi83 *ctx = i2c_get_clientdata(client);
 
-       mipi_dsi_detach(ctx->dsi);
-       mipi_dsi_device_unregister(ctx->dsi);
-       drm_bridge_remove(&ctx->bridge);
        of_node_put(ctx->host_node);
 
        return 0;