[PATCH 42/46] panel/xinpeng-xpp055c272: Use refcounted allocation in place of devm_kzalloc()

From: Anusha Srivatsa
Date: Thu Apr 03 2025 - 17:36:55 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-xinpeng-xpp055c272.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-xinpeng-xpp055c272.c b/drivers/gpu/drm/panel/panel-xinpeng-xpp055c272.c
index 2b91414c2829119f5317c5025b552e8bcfe39911..fc6516373b5d2e5d8858ef26f535ec1c87c5eef8 100644
--- a/drivers/gpu/drm/panel/panel-xinpeng-xpp055c272.c
+++ b/drivers/gpu/drm/panel/panel-xinpeng-xpp055c272.c
@@ -241,9 +241,10 @@ static int xpp055c272_probe(struct mipi_dsi_device *dsi)
struct xpp055c272 *ctx;
int ret;

- ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
- if (!ctx)
- return -ENOMEM;
+ ctx = devm_drm_panel_alloc(dev, struct xpp055c272, panel,
+ &xpp055c272_funcs, DRM_MODE_CONNECTOR_DSI);
+ if (IS_ERR(ctx))
+ return PTR_ERR(ctx);

ctx->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW);
if (IS_ERR(ctx->reset_gpio))
@@ -269,9 +270,6 @@ static int xpp055c272_probe(struct mipi_dsi_device *dsi)
dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |
MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_NO_EOT_PACKET;

- drm_panel_init(&ctx->panel, &dsi->dev, &xpp055c272_funcs,
- DRM_MODE_CONNECTOR_DSI);
-
ret = drm_panel_of_backlight(&ctx->panel);
if (ret)
return ret;

--
2.48.1