panel/dsi-cm: Use refcounted allocation in place of devm_kzalloc()

Move to using the new API devm_drm_panel_alloc() to allocate the
panel.

Signed-off-by: Anusha Srivatsa <asrivats@redhat.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20250401-b4-drm-panel-mass-driver-convert-v1-8-cdd7615e1f93@redhat.com
Signed-off-by: Maxime Ripard <mripard@kernel.org>

diff --git a/drivers/gpu/drm/panel/panel-dsi-cm.c b/drivers/gpu/drm/panel/panel-dsi-cm.c
index 6b3f4d664d2ade668525660394cf81924436492e..ae6e9ffc46cb49ddb53981815ad248953bb37fbb 100644 (file)
--- a/drivers/gpu/drm/panel/panel-dsi-cm.c
+++ b/drivers/gpu/drm/panel/panel-dsi-cm.c
@@ -511,9 +511,10 @@ static int dsicm_probe(struct mipi_dsi_device *dsi)
 
        dev_dbg(dev, "probe\n");
 
-       ddata = devm_kzalloc(dev, sizeof(*ddata), GFP_KERNEL);
-       if (!ddata)
-               return -ENOMEM;
+       ddata = devm_drm_panel_alloc(dev, struct panel_drv_data, panel,
+                                    &dsicm_panel_funcs, DRM_MODE_CONNECTOR_DSI);
+       if (IS_ERR(ddata))
+               return PTR_ERR(ddata);
 
        mipi_dsi_set_drvdata(dsi, ddata);
        ddata->dsi = dsi;
@@ -530,9 +531,6 @@ static int dsicm_probe(struct mipi_dsi_device *dsi)
 
        dsicm_hw_reset(ddata);
 
-       drm_panel_init(&ddata->panel, dev, &dsicm_panel_funcs,
-                      DRM_MODE_CONNECTOR_DSI);
-
        if (ddata->use_dsi_backlight) {
                struct backlight_properties props = { 0 };
                props.max_brightness = 255;