drm/panel/startek-kd070fhfid015: Use refcounted allocation in place of devm_kzalloc()

Move to using the new API devm_drm_panel_alloc() to allocate the
panel. In the call to the new API, avoid using explicit type and use
__typeof() for more type safety.

Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Albert Esteve <aesteve@redhat.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260508-drm_panel_init_rm-v2-9-0bd4ac429971@redhat.com
Signed-off-by: Maxime Ripard <mripard@kernel.org>

diff --git a/drivers/gpu/drm/panel/panel-startek-kd070fhfid015.c b/drivers/gpu/drm/panel/panel-startek-kd070fhfid015.c
index c0c95355b74350843d5703f1779d88b04f4337f5..7f04b7b404e7dbdeddd68014556ff2093a17c9d3 100644 (file)
--- a/drivers/gpu/drm/panel/panel-startek-kd070fhfid015.c
+++ b/drivers/gpu/drm/panel/panel-startek-kd070fhfid015.c
@@ -286,9 +286,6 @@ static int stk_panel_add(struct stk_panel *stk)
                return ret;
        }
 
-       drm_panel_init(&stk->base, &stk->dsi->dev, &stk_panel_funcs,
-                      DRM_MODE_CONNECTOR_DSI);
-
        drm_panel_add(&stk->base);
 
        return 0;
@@ -303,9 +300,12 @@ static int stk_panel_probe(struct mipi_dsi_device *dsi)
        dsi->format = MIPI_DSI_FMT_RGB888;
        dsi->mode_flags = (MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_LPM);
 
-       stk = devm_kzalloc(&dsi->dev, sizeof(*stk), GFP_KERNEL);
-       if (!stk)
-               return -ENOMEM;
+       stk = devm_drm_panel_alloc(&dsi->dev, __typeof(*stk), base,
+                                 &stk_panel_funcs,
+                                 DRM_MODE_CONNECTOR_DSI);
+
+       if (IS_ERR(stk))
+               return PTR_ERR(stk);
 
        mipi_dsi_set_drvdata(dsi, stk);