[PATCH 20/30] panel/mantix-mlaf057we51: Use refcounted allocation in place of devm_kzalloc()

From: Anusha Srivatsa
Date: Wed Apr 02 2025 - 12:31:28 EST


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

Signed-off-by: Anusha Srivatsa <asrivats@xxxxxxxxxx>
---
drivers/gpu/drm/panel/panel-mantix-mlaf057we51.c | 11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-mantix-mlaf057we51.c b/drivers/gpu/drm/panel/panel-mantix-mlaf057we51.c
index 4db852ffb0f619a398c04ba2358e503733db108f..55664f5d5aa5d4c45ad3974119a3da492db4bdad 100644
--- a/drivers/gpu/drm/panel/panel-mantix-mlaf057we51.c
+++ b/drivers/gpu/drm/panel/panel-mantix-mlaf057we51.c
@@ -234,9 +234,11 @@ static int mantix_probe(struct mipi_dsi_device *dsi)
struct mantix *ctx;
int ret;

- ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
- if (!ctx)
- return -ENOMEM;
+ ctx = devm_drm_panel_alloc(dev, struct mantix, panel, &mantix_drm_funcs,
+ DRM_MODE_CONNECTOR_DSI);
+ if (IS_ERR(ctx))
+ return PTR_ERR(ctx);
+
ctx->default_mode = of_device_get_match_data(dev);

ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
@@ -271,9 +273,6 @@ static int mantix_probe(struct mipi_dsi_device *dsi)
if (IS_ERR(ctx->vddi))
return dev_err_probe(dev, PTR_ERR(ctx->vddi), "Failed to request vddi regulator\n");

- drm_panel_init(&ctx->panel, dev, &mantix_drm_funcs,
- DRM_MODE_CONNECTOR_DSI);
-
ret = drm_panel_of_backlight(&ctx->panel);
if (ret)
return ret;

--
2.48.1