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authorAnusha Srivatsa <asrivats@redhat.com>2025-04-01 12:03:51 -0400
committerMaxime Ripard <mripard@kernel.org>2025-04-07 10:29:16 +0200
commitff97cc8a55a539ec8be548a800d5ac317b2df133 (patch)
treefe73b83b7843062cbb2c3cd50684c5ed6f5e2027
parent5d2b55e55e61be1b7d78915607254c6ef0226cee (diff)
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>
-rw-r--r--drivers/gpu/drm/panel/panel-dsi-cm.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/gpu/drm/panel/panel-dsi-cm.c b/drivers/gpu/drm/panel/panel-dsi-cm.c
index 6b3f4d664d2a..ae6e9ffc46cb 100644
--- 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;