[V17,11/15] media: mtk-jpegdec: add jpegdec timeout func interface
From: Irui Wang <hidden>
Date: 2022-09-29 09:09:29
Also in:
linux-devicetree, linux-media, linux-mediatek, lkml
Subsystem:
media input infrastructure (v4l/dvb), mediatek jpeg driver, the rest · Maintainers:
Mauro Carvalho Chehab, Bin Liu, Linus Torvalds
From: kyrie wu <redacted> Generalizes jpegdec timeout func interfaces to handle HW timeout. Signed-off-by: kyrie wu <redacted> Signed-off-by: irui wang <redacted> --- .../platform/mediatek/jpeg/mtk_jpeg_core.h | 4 ++++ .../platform/mediatek/jpeg/mtk_jpeg_dec_hw.c | 24 +++++++++++++++++++ 2 files changed, 28 insertions(+)
diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h
index dd974409ae5e..391c4ec25b2c 100644
--- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h
+++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h@@ -165,6 +165,8 @@ struct mtk_jpegenc_comp_dev { * @master_dev: mtk_jpeg_dev device * @jdec_clk: mtk_jpegdec_clk * @jpegdec_irq: jpeg decode irq num + * @job_timeout_work: decode timeout workqueue + * @hw_param: jpeg decode hw parameters */ struct mtk_jpegdec_comp_dev { struct device *dev;
@@ -173,6 +175,8 @@ struct mtk_jpegdec_comp_dev { struct mtk_jpeg_dev *master_dev; struct mtk_jpegdec_clk jdec_clk; int jpegdec_irq; + struct delayed_work job_timeout_work; + struct mtk_jpeg_hw_param hw_param; }; /**
diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_dec_hw.c b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_dec_hw.c
index bab50f750113..d65cc0a3b663 100644
--- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_dec_hw.c
+++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_dec_hw.c@@ -440,6 +440,25 @@ void mtk_jpeg_dec_set_config(void __iomem *base, } EXPORT_SYMBOL_GPL(mtk_jpeg_dec_set_config); +static void mtk_jpegdec_timeout_work(struct work_struct *work) +{ + enum vb2_buffer_state buf_state = VB2_BUF_STATE_ERROR; + struct mtk_jpegdec_comp_dev *cjpeg = + container_of(work, struct mtk_jpegdec_comp_dev, + job_timeout_work.work); + struct vb2_v4l2_buffer *src_buf, *dst_buf; + + src_buf = cjpeg->hw_param.src_buffer; + dst_buf = cjpeg->hw_param.dst_buffer; + v4l2_m2m_buf_copy_metadata(src_buf, dst_buf, true); + + mtk_jpeg_dec_reset(cjpeg->reg_base); + clk_disable_unprepare(cjpeg->jdec_clk.clks->clk); + pm_runtime_put(cjpeg->dev); + v4l2_m2m_buf_done(src_buf, buf_state); + v4l2_m2m_buf_done(dst_buf, buf_state); +} + static irqreturn_t mtk_jpegdec_hw_irq_handler(int irq, void *priv) { struct vb2_v4l2_buffer *src_buf, *dst_buf;
@@ -453,6 +472,8 @@ static irqreturn_t mtk_jpegdec_hw_irq_handler(int irq, void *priv) struct mtk_jpegdec_comp_dev *jpeg = priv; struct mtk_jpeg_dev *master_jpeg = jpeg->master_dev; + cancel_delayed_work(&jpeg->job_timeout_work); + irq_status = mtk_jpeg_dec_get_int_status(jpeg->reg_base); dec_irq_ret = mtk_jpeg_dec_enum_result(irq_status); if (dec_irq_ret >= MTK_JPEG_DEC_RESULT_UNDERFLOW)
@@ -538,6 +559,9 @@ static int mtk_jpegdec_hw_probe(struct platform_device *pdev) master_dev->dec_hw_dev[i] = NULL; } + INIT_DELAYED_WORK(&dev->job_timeout_work, + mtk_jpegdec_timeout_work); + jpegdec_clk = &dev->jdec_clk; jpegdec_clk->clk_num = devm_clk_bulk_get_all(&pdev->dev,
--
2.18.0
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