Patch "drm/meson: fix missing component unbind on bind errors" has been added to the 5.10-stable tree

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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 5.10-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-error.patch
and it can be found in the queue-5.10 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit dc3ec0d7f8b1d5c5c654ba5cd19f35c4eb03afd0
Author: Johan Hovold <johan+linaro@xxxxxxxxxx>
Date:   Mon Mar 6 11:35:33 2023 +0100

    drm/meson: fix missing component unbind on bind errors
    
    [ Upstream commit ba98413bf45edbf33672e2539e321b851b2cfbd1 ]
    
    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: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/gpu/drm/meson/meson_drv.c b/drivers/gpu/drm/meson/meson_drv.c
index 090878bd74f6a..5c29ddf93eb3f 100644
--- a/drivers/gpu/drm/meson/meson_drv.c
+++ b/drivers/gpu/drm/meson/meson_drv.c
@@ -339,19 +339,19 @@ static int meson_drv_bind_master(struct device *dev, bool has_components)
 
 	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 = drm_irq_install(drm, priv->vsync_irq);
 	if (ret)
-		goto exit_afbcd;
+		goto unbind_all;
 
 	drm_mode_config_reset(drm);
 
@@ -369,6 +369,9 @@ static int meson_drv_bind_master(struct device *dev, bool has_components)
 
 uninstall_irq:
 	drm_irq_uninstall(drm);
+unbind_all:
+	if (has_components)
+		component_unbind_all(drm->dev, drm);
 exit_afbcd:
 	if (priv->afbcd.ops)
 		priv->afbcd.ops->exit(priv);



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