Add v4l2_m2m_suspend() function call in mtk_jpeg_suspend() to make sure
that the current frame is processed completely before suspend.
Add v4l2_m2m_resume() function call in mtk_jpeg_resume() to unblock the
driver from scheduling next frame.
Signed-off-by: Xia Jiang <xia.jiang@xxxxxxxxxxxx>
---
v9: use v4l2_m2m_suspend() and v4l2_m2m_resume() to improve the
implemention of the system PM ops
---
drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
index 7f74597262fc..49bdbf1c435f 100644
--- a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
+++ b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
@@ -1208,10 +1208,13 @@ static __maybe_unused int mtk_jpeg_pm_resume(struct device *dev)
static __maybe_unused int mtk_jpeg_suspend(struct device *dev)
{
int ret;
+ struct mtk_jpeg_dev *jpeg = dev_get_drvdata(dev);
if (pm_runtime_suspended(dev))
return 0;
+ v4l2_m2m_suspend(jpeg->m2m_dev);
+
ret = mtk_jpeg_pm_suspend(dev);
return ret;
}
@@ -1219,12 +1222,15 @@ static __maybe_unused int mtk_jpeg_suspend(struct device *dev)
static __maybe_unused int mtk_jpeg_resume(struct device *dev)
{
int ret;
+ struct mtk_jpeg_dev *jpeg = dev_get_drvdata(dev);
if (pm_runtime_suspended(dev))
return 0;
ret = mtk_jpeg_pm_resume(dev);
+ v4l2_m2m_resume(jpeg->m2m_dev);
+
return ret;
}
--
2.18.0
