This is a note to let you know that I've just added the patch titled drm/panel: synaptics-r63353: Fix regulator unbalance to the 6.12-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-panel-synaptics-r63353-fix-regulator-unbalance.patch and it can be found in the queue-6.12 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 4fc73ad913c25fa263072c64fcd045219fd7252f Author: Michael Trimarchi <michael@xxxxxxxxxxxxxxxxxxxx> Date: Thu Dec 5 17:29:58 2024 +0100 drm/panel: synaptics-r63353: Fix regulator unbalance [ Upstream commit d2bd3fcb825725a59c8880070b1206b1710922bd ] The shutdown function can be called when the display is already unprepared. For example during reboot this trigger a kernel backlog. Calling the drm_panel_unprepare, allow us to avoid to trigger the kernel warning. Fixes: 2e87bad7cd33 ("drm/panel: Add Synaptics R63353 panel driver") Tested-by: Dario Binacchi <dario.binacchi@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Michael Trimarchi <michael@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Dario Binacchi <dario.binacchi@xxxxxxxxxxxxxxxxxxxx> Reviewed-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx> Reviewed-by: Jessica Zhang <quic_jesszhan@xxxxxxxxxxx> Link: https://lore.kernel.org/r/20241205163002.1804784-1-dario.binacchi@xxxxxxxxxxxxxxxxxxxx Signed-off-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx> Link: https://patchwork.freedesktop.org/patch/msgid/20241205163002.1804784-1-dario.binacchi@xxxxxxxxxxxxxxxxxxxx Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/gpu/drm/panel/panel-synaptics-r63353.c b/drivers/gpu/drm/panel/panel-synaptics-r63353.c index 169c629746c7..17349825543f 100644 --- a/drivers/gpu/drm/panel/panel-synaptics-r63353.c +++ b/drivers/gpu/drm/panel/panel-synaptics-r63353.c @@ -325,7 +325,7 @@ static void r63353_panel_shutdown(struct mipi_dsi_device *dsi) { struct r63353_panel *rpanel = mipi_dsi_get_drvdata(dsi); - r63353_panel_unprepare(&rpanel->base); + drm_panel_unprepare(&rpanel->base); } static const struct r63353_desc sharp_ls068b3sx02_data = {