tag name | sent/mtk-drm-v1 (656ebe15ae93be92e03bac283c7eb35197cee53c) |
tag date | 2022-11-28 11:42:07 +0100 |
tagged by | Ricardo Ribalda <ribalda@chromium.org> |
tagged object | commit 35a401f33b... |
download | linux-sent/mtk-drm-v1.tar.gz |
---|
drm/mediatek: Implement shutdown
Poweroff the device properly, otherwise the device will not come back
from kexec().
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
---
To: Chun-Kuang Hu <chunkuang.hu@kernel.org>
To: Philipp Zabel <p.zabel@pengutronix.de>
To: David Airlie <airlied@gmail.com>
To: Daniel Vetter <daniel@ffwll.ch>
To: Matthias Brugger <matthias.bgg@gmail.com>
Cc: dri-devel@lists.freedesktop.org
Cc: linux-mediatek@lists.infradead.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
---
drivers/gpu/drm/mediatek/mtk_drm_drv.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
index 91f58db5915f..51dbd85796e9 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
@@ -829,6 +829,12 @@ static int mtk_drm_remove(struct platform_device *pdev)
return 0;
}
+static void mtk_drm_shutdown(struct platform_device *pdev)
+{
+ component_master_del(&pdev->dev, &mtk_drm_ops);
+ pm_runtime_disable(&pdev->dev);
+}
+
static int mtk_drm_sys_prepare(struct device *dev)
{
struct mtk_drm_private *private = dev_get_drvdata(dev);
@@ -856,6 +862,7 @@ static const struct dev_pm_ops mtk_drm_pm_ops = {
static struct platform_driver mtk_drm_platform_driver = {
.probe = mtk_drm_probe,
.remove = mtk_drm_remove,
+ .shutdown = mtk_drm_shutdown,
.driver = {
.name = "mediatek-drm",
.pm = &mtk_drm_pm_ops,
---
base-commit: 4312098baf37ee17a8350725e6e0d0e8590252d4
change-id: 20221128-mtk-drm-ca6c5ac6b389
Best regards,