openwrt/target/linux/bcm27xx/patches-5.15/950-0803-drm-panel-ilitek-ili9881c-Clean-up-on-mipi_dsi_attac.patch
Álvaro Fernández Rojas 20ea6adbf1 bcm27xx: add support for linux v5.15
Build system: x86_64
Build-tested: bcm2708, bcm2709, bcm2710, bcm2711
Run-tested: bcm2708/RPiB+, bcm2709/RPi3B, bcm2710/RPi3B, bcm2711/RPi4B

Signed-off-by: Marty Jones <mj8263788@gmail.com>
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2022-05-17 15:11:22 +02:00

32 lines
987 B
Diff

From 6339483e274de22714984c3b017de13c3f991e98 Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
Date: Thu, 31 Mar 2022 12:03:36 +0100
Subject: [PATCH] drm/panel: ilitek-ili9881c: Clean up on
mipi_dsi_attach failure
mipi_dsi_attach is allowed to fail, and currently the probe
code doesn't clean up (mainly drm_panel_remove) if this happens.
Add cleanup code on failure.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
---
drivers/gpu/drm/panel/panel-ilitek-ili9881c.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
--- a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
+++ b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
@@ -913,7 +913,11 @@ static int ili9881c_dsi_probe(struct mip
dsi->format = MIPI_DSI_FMT_RGB888;
dsi->lanes = 4;
- return mipi_dsi_attach(dsi);
+ ret = mipi_dsi_attach(dsi);
+ if (ret)
+ drm_panel_remove(&ctx->panel);
+
+ return ret;
}
static int ili9881c_dsi_remove(struct mipi_dsi_device *dsi)