This is a note to let you know that I've just added the patch titled
drm/meson: fix missing component unbind on bind errors
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-meson-fix-missing-component-unbind-on-bind-errors.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From ba98413bf45edbf33672e2539e321b851b2cfbd1 Mon Sep 17 00:00:00 2001
From: Johan Hovold <johan+linaro@xxxxxxxxxx>
Date: Mon, 6 Mar 2023 11:35:33 +0100
Subject: drm/meson: fix missing component unbind on bind errors
From: Johan Hovold <johan+linaro@xxxxxxxxxx>
commit ba98413bf45edbf33672e2539e321b851b2cfbd1 upstream.
Make sure to unbind all subcomponents when binding the aggregate device
fails.
Fixes: a41e82e6c457 ("drm/meson: Add support for components")
Cc: stable@xxxxxxxxxxxxxxx # 4.12
Cc: Neil Armstrong <neil.armstrong@xxxxxxxxxx>
Signed-off-by: Johan Hovold <johan+linaro@xxxxxxxxxx>
Acked-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>
Signed-off-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/20230306103533.4915-1-johan+linaro@xxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/meson/meson_drv.c | 13 ++++++++-----
1 file changed, 8 insertions(+), 5 deletions(-)
--- a/drivers/gpu/drm/meson/meson_drv.c
+++ b/drivers/gpu/drm/meson/meson_drv.c
@@ -324,23 +324,23 @@ static int meson_drv_bind_master(struct
ret = meson_encoder_hdmi_init(priv);
if (ret)
- goto exit_afbcd;
+ goto unbind_all;
ret = meson_plane_create(priv);
if (ret)
- goto exit_afbcd;
+ goto unbind_all;
ret = meson_overlay_create(priv);
if (ret)
- goto exit_afbcd;
+ goto unbind_all;
ret = meson_crtc_create(priv);
if (ret)
- goto exit_afbcd;
+ goto unbind_all;
ret = request_irq(priv->vsync_irq, meson_irq, 0, drm->driver->name, drm);
if (ret)
- goto exit_afbcd;
+ goto unbind_all;
drm_mode_config_reset(drm);
@@ -358,6 +358,9 @@ static int meson_drv_bind_master(struct
uninstall_irq:
free_irq(priv->vsync_irq, drm);
+unbind_all:
+ if (has_components)
+ component_unbind_all(drm->dev, drm);
exit_afbcd:
if (priv->afbcd.ops)
priv->afbcd.ops->exit(priv);
Patches currently in stable-queue which might be from johan+linaro@xxxxxxxxxx are
queue-5.15/drm-meson-fix-missing-component-unbind-on-bind-errors.patch
