panel/tpo-tpg110: 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/20250529-b4-drm_panel_mass_driver_convert_part3-v2-36-5d75a3711e40@redhat.com
Signed-off-by: Maxime Ripard <mripard@kernel.org>

diff --git a/drivers/gpu/drm/panel/panel-tpo-tpg110.c b/drivers/gpu/drm/panel/panel-tpo-tpg110.c
index f6a212e542cb9301cab1ad19c43e00e4ea07b128..0beba5c08956571aee5c253e460a9d020b800009 100644 (file)
--- a/drivers/gpu/drm/panel/panel-tpo-tpg110.c
+++ b/drivers/gpu/drm/panel/panel-tpo-tpg110.c
@@ -405,9 +405,11 @@ static int tpg110_probe(struct spi_device *spi)
        struct tpg110 *tpg;
        int ret;
 
-       tpg = devm_kzalloc(dev, sizeof(*tpg), GFP_KERNEL);
-       if (!tpg)
-               return -ENOMEM;
+       tpg = devm_drm_panel_alloc(dev, struct tpg110, panel,
+                                  &tpg110_drm_funcs, DRM_MODE_CONNECTOR_DPI);
+       if (IS_ERR(tpg))
+               return PTR_ERR(tpg);
+
        tpg->dev = dev;
 
        /* We get the physical display dimensions from the DT */
@@ -438,9 +440,6 @@ static int tpg110_probe(struct spi_device *spi)
        if (ret)
                return ret;
 
-       drm_panel_init(&tpg->panel, dev, &tpg110_drm_funcs,
-                      DRM_MODE_CONNECTOR_DPI);
-
        ret = drm_panel_of_backlight(&tpg->panel);
        if (ret)
                return ret;