panel/lincolntech-lcd197: Use refcounted allocation in place of devm_kzalloc()

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

Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Anusha Srivatsa <asrivats@redhat.com>
Link: https://lore.kernel.org/r/20250520-drivers-mass-convert-part2-v3-18-f7ae7b723c68@redhat.com
Signed-off-by: Maxime Ripard <mripard@kernel.org>

diff --git a/drivers/gpu/drm/panel/panel-lincolntech-lcd197.c b/drivers/gpu/drm/panel/panel-lincolntech-lcd197.c
index 032c542aab0f788e8a244721c838d9d740af98fb..24b34443ace02bc179da5068d52b1115805deea9 100644 (file)
--- a/drivers/gpu/drm/panel/panel-lincolntech-lcd197.c
+++ b/drivers/gpu/drm/panel/panel-lincolntech-lcd197.c
@@ -190,9 +190,11 @@ static int lincoln_lcd197_panel_probe(struct mipi_dsi_device *dsi)
        dsi->mode_flags = (MIPI_DSI_MODE_VIDEO |
                           MIPI_DSI_MODE_VIDEO_BURST);
 
-       lcd = devm_kzalloc(&dsi->dev, sizeof(*lcd), GFP_KERNEL);
-       if (!lcd)
-               return -ENOMEM;
+       lcd = devm_drm_panel_alloc(dev, struct lincoln_lcd197_panel, panel,
+                                  &lincoln_lcd197_panel_funcs,
+                                  DRM_MODE_CONNECTOR_DSI);
+       if (IS_ERR(lcd))
+               return PTR_ERR(lcd);
 
        mipi_dsi_set_drvdata(dsi, lcd);
        lcd->dsi = dsi;
@@ -214,9 +216,6 @@ static int lincoln_lcd197_panel_probe(struct mipi_dsi_device *dsi)
                return dev_err_probe(dev, PTR_ERR(lcd->reset_gpio),
                                     "failed to get reset gpio");
 
-       drm_panel_init(&lcd->panel, dev,
-                      &lincoln_lcd197_panel_funcs, DRM_MODE_CONNECTOR_DSI);
-
        err = drm_panel_of_backlight(&lcd->panel);
        if (err)
                return err;