diff options
| author | Ming Qian <ming.qian@nxp.com> | 2022-06-10 03:00:57 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@kernel.org> | 2022-06-27 08:53:14 +0100 |
| commit | 22a2bc88c139dc9757bdb1d0a3665ac27edc79a5 (patch) | |
| tree | 404f217f1ce290f9dc803bfd660400837baa3213 /drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c | |
| parent | fd9f8050e355d7fd1e126cd207b06c96cde7f783 (diff) | |
media: imx-jpeg: Disable slot interrupt when frame done
The interrupt STMBUF_HALF may be triggered after frame done.
It may led to system hang if driver try to access the register after
power off.
Disable the slot interrupt when frame done.
Fixes: 2db16c6ed72ce ("media: imx-jpeg: Add V4L2 driver for i.MX8 JPEG Encoder/Decoder")
Signed-off-by: Ming Qian <ming.qian@nxp.com>
Reviewed-by: Mirela Rabulea <mirela.rabulea@nxp.com>
Tested-by: Mirela Rabulea <mirela.rabulea@nxp.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c')
| -rw-r--r-- | drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c index 965021d3c7ef..c65d480c27ff 100644 --- a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c +++ b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c @@ -592,15 +592,8 @@ static irqreturn_t mxc_jpeg_dec_irq(int irq, void *priv) dev_dbg(dev, "Irq %d on slot %d.\n", irq, slot); ctx = v4l2_m2m_get_curr_priv(jpeg->m2m_dev); - if (!ctx) { - dev_err(dev, - "Instance released before the end of transaction.\n"); - /* soft reset only resets internal state, not registers */ - mxc_jpeg_sw_reset(reg); - /* clear all interrupts */ - writel(0xFFFFFFFF, reg + MXC_SLOT_OFFSET(slot, SLOT_STATUS)); + if (WARN_ON(!ctx)) goto job_unlock; - } if (slot != ctx->slot) { /* TODO investigate when adding multi-instance support */ @@ -673,6 +666,7 @@ static irqreturn_t mxc_jpeg_dec_irq(int irq, void *priv) buf_state = VB2_BUF_STATE_DONE; buffers_done: + mxc_jpeg_disable_irq(reg, ctx->slot); jpeg->slot_data[slot].used = false; /* unused, but don't free */ mxc_jpeg_check_and_set_last_buffer(ctx, src_buf, dst_buf); v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx); |