From: Dario Binacchi <dario.binacchi@amarulasolutions.com>
To: linux-kernel@vger.kernel.org
Cc: linux-amarula@amarulasolutions.com,
Michael Trimarchi <michael@amarulasolutions.com>,
Dario Binacchi <dario.binacchi@amarulasolutions.com>,
Neil Armstrong <neil.armstrong@linaro.org>,
David Airlie <airlied@gmail.com>,
Jessica Zhang <quic_jesszhan@quicinc.com>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Maxime Ripard <mripard@kernel.org>,
Simona Vetter <simona@ffwll.ch>,
Thomas Zimmermann <tzimmermann@suse.de>,
dri-devel@lists.freedesktop.org
Subject: [PATCH v2] drm/panel: synaptics-r63353: Fix regulator unbalance
Date: Fri, 25 Oct 2024 18:20:49 +0200 [thread overview]
Message-ID: <20241025162115.4115352-1-dario.binacchi@amarulasolutions.com> (raw)
From: Michael Trimarchi <michael@amarulasolutions.com>
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@amarulasolutions.com>
Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
---
Changes in v2:
- Add 'Fixes' tag.
- Add 'Reviewed-by' tag of Neil Armstrong.
drivers/gpu/drm/panel/panel-synaptics-r63353.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
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 = {
--
2.43.0
reply other threads:[~2024-10-25 16:21 UTC|newest]
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