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> --- v10: use pm_runtime_force_* helpers --- .../media/platform/mtk-jpeg/mtk_jpeg_core.c | 18 ++++++++---------- 1 file changed, 8 insertions(+), 10 deletions(-) diff --git a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c index 7f74597262fc..ee4aaf618551 100644 --- a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c +++ b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c @@ -1207,24 +1207,22 @@ static __maybe_unused int mtk_jpeg_pm_resume(struct device *dev) static __maybe_unused int mtk_jpeg_suspend(struct device *dev) { - int ret; - - if (pm_runtime_suspended(dev)) - return 0; + struct mtk_jpeg_dev *jpeg = dev_get_drvdata(dev); - ret = mtk_jpeg_pm_suspend(dev); - return ret; + v4l2_m2m_suspend(jpeg->m2m_dev); + return pm_runtime_force_suspend(dev); } static __maybe_unused int mtk_jpeg_resume(struct device *dev) { + struct mtk_jpeg_dev *jpeg = dev_get_drvdata(dev); int ret; - if (pm_runtime_suspended(dev)) - return 0; - - ret = mtk_jpeg_pm_resume(dev); + ret = pm_runtime_force_resume(dev); + if (ret < 0) + return ret; + v4l2_m2m_resume(jpeg->m2m_dev); return ret; } -- 2.18.0