[PATCH 04/46] panel/raydium-rm68200: Use refcounted allocation in place of devm_kzalloc()

From: Anusha Srivatsa
Date: Thu Apr 03 2025 - 17:28:04 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-raydium-rm68200.c | 11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-raydium-rm68200.c b/drivers/gpu/drm/panel/panel-raydium-rm68200.c
index 7b7fe987e2929f6f6ebe9a644bf4ef0cf9292256..669b5f5c1ad9adf5697f7432e4d6ee275ff72e42 100644
--- a/drivers/gpu/drm/panel/panel-raydium-rm68200.c
+++ b/drivers/gpu/drm/panel/panel-raydium-rm68200.c
@@ -327,9 +327,11 @@ static int rm68200_probe(struct mipi_dsi_device *dsi)
struct rm68200 *ctx;
int ret;

- ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
- if (!ctx)
- return -ENOMEM;
+ ctx = devm_drm_panel_alloc(dev, struct rm68200, panel,
+ &rm68200_drm_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)) {
@@ -355,9 +357,6 @@ static int rm68200_probe(struct mipi_dsi_device *dsi)
dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |
MIPI_DSI_MODE_LPM | MIPI_DSI_CLOCK_NON_CONTINUOUS;

- drm_panel_init(&ctx->panel, dev, &rm68200_drm_funcs,
- DRM_MODE_CONNECTOR_DSI);
-
ret = drm_panel_of_backlight(&ctx->panel);
if (ret)
return ret;

--
2.48.1