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Date: Wed, 27 Oct 2021 19:36:03 +0800
From: "yunfei.dong@...iatek.com" <yunfei.dong@...iatek.com>
To: AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com>,
Alexandre Courbot <acourbot@...omium.org>,
Hans Verkuil <hverkuil-cisco@...all.nl>,
Tzung-Bi Shih <tzungbi@...omium.org>,
"Tiffany Lin" <tiffany.lin@...iatek.com>,
Andrew-CT Chen <andrew-ct.chen@...iatek.com>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Matthias Brugger <matthias.bgg@...il.com>,
Tomasz Figa <tfiga@...gle.com>
CC: Hsin-Yi Wang <hsinyi@...omium.org>,
Fritz Koenig <frkoenig@...omium.org>,
Dafna Hirschfeld <dafna.hirschfeld@...labora.com>,
Benjamin Gaignard <benjamin.gaignard@...labora.com>,
Daniel Vetter <daniel@...ll.ch>,
dri-devel <dri-devel@...ts.freedesktop.org>,
Irui Wang <irui.wang@...iatek.com>,
<linux-media@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<srv_heupstream@...iatek.com>,
<linux-mediatek@...ts.infradead.org>,
<Project_Global_Chrome_Upstream_Group@...iatek.com>
Subject: Re: [PATCH v7, 07/15] media: mtk-vcodec: Add irq interface for
multi hardware
Hi AngeloGioacchino,
Thanks for your suggestion.
On Thu, 2021-10-14 at 12:04 +0200, AngeloGioacchino Del Regno wrote:
> > Adds irq interface for multi hardware.
> >
> > Signed-off-by: Yunfei Dong <yunfei.dong@...iatek.com>
> > ---
> > .../platform/mtk-vcodec/mtk_vcodec_dec_drv.c | 33
> > +++++++++++++++++--
> > .../platform/mtk-vcodec/mtk_vcodec_dec_hw.c | 2 +-
> > .../platform/mtk-vcodec/mtk_vcodec_drv.h | 25 ++++++++++----
> > .../platform/mtk-vcodec/mtk_vcodec_enc_drv.c | 4 +--
> > .../platform/mtk-vcodec/mtk_vcodec_intr.c | 27 +++++++-------
> > -
> > .../platform/mtk-vcodec/mtk_vcodec_intr.h | 4 +--
> > .../platform/mtk-vcodec/vdec/vdec_h264_if.c | 2 +-
> > .../mtk-vcodec/vdec/vdec_h264_req_if.c | 2 +-
> > .../platform/mtk-vcodec/vdec/vdec_vp8_if.c | 2 +-
> > .../platform/mtk-vcodec/vdec/vdec_vp9_if.c | 2 +-
> > .../platform/mtk-vcodec/venc/venc_h264_if.c | 2 +-
> > .../platform/mtk-vcodec/venc/venc_vp8_if.c | 2 +-
> > 12 files changed, 71 insertions(+), 36 deletions(-)
> >
> > diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c
> > b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c
> > index 17cb3e3519eb..ff70fa5b34e3 100644
> > --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c
> > +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c
> > @@ -73,6 +73,20 @@ static int mtk_vcodec_comp_device_check(struct
> > mtk_vcodec_ctx *ctx)
> > return 0;
> > }
> >
> > +static int mtk_vcodec_get_hw_count(struct mtk_vcodec_dev *dev)
> > +{
> > + switch (dev->vdec_pdata->hw_arch) {
> > + case MTK_VDEC_PURE_SINGLE_CORE:
> > + return MTK_VDEC_ONE_CORE;
> > + case MTK_VDEC_LAT_SINGLE_CORE:
> > + return MTK_VDEC_ONE_LAT_ONE_CORE;
> > + default:
> > + mtk_v4l2_err("not support hw arch:%d",
> > + dev->vdec_pdata->hw_arch);
> > + return MTK_VDEC_NO_HW;
> > + }
> > +}
> > +
> > static irqreturn_t mtk_vcodec_dec_irq_handler(int irq, void
> > *priv)
> > {
> > struct mtk_vcodec_dev *dev = priv;
> > @@ -104,7 +118,7 @@ static irqreturn_t
> > mtk_vcodec_dec_irq_handler(int irq, void *priv)
> > writel((readl(vdec_misc_addr) & ~VDEC_IRQ_CLR),
> > dev->reg_base[VDEC_MISC] + VDEC_IRQ_CFG_REG);
> >
> > - wake_up_ctx(ctx, MTK_INST_IRQ_RECEIVED);
> > + wake_up_ctx(ctx, MTK_INST_IRQ_RECEIVED, 0);
> >
> > mtk_v4l2_debug(3,
> > "mtk_vcodec_dec_irq_handler :wake up ctx %d,
> > dec_done_status=%x",
> > @@ -176,7 +190,7 @@ static int fops_vcodec_open(struct file *file)
> > {
> > struct mtk_vcodec_dev *dev = video_drvdata(file);
> > struct mtk_vcodec_ctx *ctx = NULL;
> > - int ret = 0;
> > + int ret = 0, i, hw_count;
> > struct vb2_queue *src_vq;
> >
> > ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
> > @@ -190,7 +204,19 @@ static int fops_vcodec_open(struct file *file)
> > v4l2_fh_add(&ctx->fh);
> > INIT_LIST_HEAD(&ctx->list);
> > ctx->dev = dev;
> > - init_waitqueue_head(&ctx->queue);
> > +
> > + if (ctx->dev->vdec_pdata->is_comp_supported) {
>
> As pointed out in the review for patch 04/15 of this series,
> is_comp_supported
> is always false since you moved away from the component framework.
>
> That means that this code can be removed, as nothing ever hits that.
>
> Please note that other patches in this series are following
> similar/same patterns,
> so this comment applies to the entire series.
>
> > + hw_count = mtk_vcodec_get_hw_count(dev);
> > + if (!hw_count) {
> > + ret = -EINVAL;
> > + goto err_init_queue;
> > + }
> > + for (i = 0; i < hw_count; i++)
> > + init_waitqueue_head(&ctx->queue[i]);
> > + } else {
> > + init_waitqueue_head(&ctx->queue[0]);
> > + }
> > +
> > mutex_init(&ctx->lock);
> >
> > ret = mtk_vcodec_comp_device_check(ctx);
> > @@ -253,6 +279,7 @@ static int fops_vcodec_open(struct file *file)
> > err_m2m_ctx_init:
> > v4l2_ctrl_handler_free(&ctx->ctrl_hdl);
> > err_ctrls_setup:
> > +err_init_queue:
>
> ...and if that unused component code gets removed, this label can
> also be removed.
>
For add 8192 to support component, these code need to keep.
> > v4l2_fh_del(&ctx->fh);
> > v4l2_fh_exit(&ctx->fh);
> > kfree(ctx);
> > diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.c
> > b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.c
> > index 3752ccaea284..0997a5a08156 100644
> > --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.c
> > +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.c
> > @@ -56,7 +56,7 @@ static irqreturn_t mtk_vdec_comp_irq_handler(int
> > irq, void *priv)
> > writel(dec_done_status | VDEC_IRQ_CFG, vdec_misc_addr);
> > writel(dec_done_status & ~VDEC_IRQ_CLR, vdec_misc_addr);
> >
> > - wake_up_ctx(ctx, MTK_INST_IRQ_RECEIVED);
> > + wake_up_ctx(ctx, MTK_INST_IRQ_RECEIVED, dev->comp_idx);
> >
> > mtk_v4l2_debug(3, "wake up ctx %d, dec_done_status=%x",
> > ctx->id, dec_done_status);
> > diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
> > b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
> > index 140f1a761942..f8e8b5ba408b 100644
> > --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
> > +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
> > @@ -104,6 +104,16 @@ enum mtk_vdec_hw_id {
> > MTK_VDEC_HW_MAX,
> > };
> >
> > +/**
> > + * struct mtk_vdec_hw_count - Supported hardware count
> > + */
> > +enum mtk_vdec_hw_count {
> > + MTK_VDEC_NO_HW = 0,
> > + MTK_VDEC_ONE_CORE,
> > + MTK_VDEC_ONE_LAT_ONE_CORE,
> > + MTK_VDEC_MAX_HW_COUNT,
> > +};
> > +
> > /*
> > * struct mtk_video_fmt - Structure used to store information
> > about pixelformats
> > */
> > @@ -293,9 +303,9 @@ struct mtk_vcodec_ctx {
> > struct vdec_pic_info picinfo;
> > int dpb_size;
> >
> > - int int_cond;
> > - int int_type;
> > - wait_queue_head_t queue;
> > + int int_cond[MTK_VDEC_HW_MAX];
> > + int int_type[MTK_VDEC_HW_MAX];
> > + wait_queue_head_t queue[MTK_VDEC_HW_MAX];
> > unsigned int irq_status;
> >
> > struct v4l2_ctrl_handler ctrl_hdl;
> > @@ -505,11 +515,12 @@ static inline struct mtk_vcodec_ctx
> > *ctrl_to_ctx(struct v4l2_ctrl *ctrl)
> > }
> >
> > /* Wake up context wait_queue */
> > -static inline void wake_up_ctx(struct mtk_vcodec_ctx *ctx,
> > unsigned int reason)
> > +static inline void wake_up_ctx(struct mtk_vcodec_ctx *ctx,
> > unsigned int reason,
> > + unsigned int hw_id)
> > {
> > - ctx->int_cond = 1;
> > - ctx->int_type = reason;
> > - wake_up_interruptible(&ctx->queue);
> > + ctx->int_cond[hw_id] = 1;
> > + ctx->int_type[hw_id] = reason;
> > + wake_up_interruptible(&ctx->queue[hw_id]);
> > }
> >
> > #endif /* _MTK_VCODEC_DRV_H_ */
> > diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c
> > b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c
> > index 2828df77020c..c7540c0cdcea 100644
> > --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c
> > +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c
> > @@ -114,7 +114,7 @@ static irqreturn_t
> > mtk_vcodec_enc_irq_handler(int irq, void *priv)
> >
> > clean_irq_status(ctx->irq_status, addr);
> >
> > - wake_up_ctx(ctx, MTK_INST_IRQ_RECEIVED);
> > + wake_up_ctx(ctx, MTK_INST_IRQ_RECEIVED, 0);
> > return IRQ_HANDLED;
> > }
> >
> > @@ -140,7 +140,7 @@ static int fops_vcodec_open(struct file *file)
> > v4l2_fh_add(&ctx->fh);
> > INIT_LIST_HEAD(&ctx->list);
> > ctx->dev = dev;
> > - init_waitqueue_head(&ctx->queue);
> > + init_waitqueue_head(&ctx->queue[0]);
> >
> > ctx->type = MTK_INST_ENCODER;
> > ret = mtk_vcodec_enc_ctrls_setup(ctx);
> > diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.c
> > b/drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.c
> > index 70580c2525ba..8147533da98b 100644
> > --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.c
> > +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.c
> > @@ -11,34 +11,31 @@
> > #include "mtk_vcodec_intr.h"
> > #include "mtk_vcodec_util.h"
> >
> > -int mtk_vcodec_wait_for_done_ctx(struct mtk_vcodec_ctx *ctx, int
> > command,
> > - unsigned int timeout_ms)
> > +int mtk_vcodec_wait_for_done_ctx(struct mtk_vcodec_ctx *ctx,
> > + int command, unsigned int timeout_ms, unsigned hw_id)
> > {
> > - wait_queue_head_t *waitqueue;
> > long timeout_jiff, ret;
> > int status = 0;
> >
> > - waitqueue = (wait_queue_head_t *)&ctx->queue;
> > timeout_jiff = msecs_to_jiffies(timeout_ms);
> > -
> > - ret = wait_event_interruptible_timeout(*waitqueue,
> > - ctx->int_cond,
> > + ret = wait_event_interruptible_timeout(ctx->queue[hw_id],
> > + ctx->int_cond[hw_id],
> > timeout_jiff);
> >
> > if (!ret) {
> > status = -1; /* timeout */
> > - mtk_v4l2_err("[%d] ctx->type=%d, cmd=%d,
> > wait_event_interruptible_timeout time=%ums out %d %d!",
> > - ctx->id, ctx->type, command, timeout_ms,
> > - ctx->int_cond, ctx->int_type);
> > + mtk_v4l2_err("[%d] cmd=%d, type=%d, dec timeout=%ums
> > (%d %d)",
> > + ctx->id, command, ctx->type,
> > timeout_ms,
> > + ctx->int_cond[hw_id], ctx-
> > >int_type[hw_id]);
> > } else if (-ERESTARTSYS == ret) {
> > - mtk_v4l2_err("[%d] ctx->type=%d, cmd=%d,
> > wait_event_interruptible_timeout interrupted by a signal %d %d",
> > - ctx->id, ctx->type, command, ctx-
> > >int_cond,
> > - ctx->int_type);
> > status = -1;
> > + mtk_v4l2_err("[%d] cmd=%d, type=%d, dec inter fail (%d
> > %d)",
> > + ctx->id, command, ctx->type,
> > + ctx->int_cond[hw_id], ctx-
> > >int_type[hw_id]);
> > }
> >
> > - ctx->int_cond = 0;
> > - ctx->int_type = 0;
> > + ctx->int_cond[hw_id] = 0;
> > + ctx->int_type[hw_id] = 0;
> >
> > return status;
> > }
> > diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.h
> > b/drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.h
> > index 638cd1f3526a..2bf4cabfaa43 100644
> > --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.h
> > +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.h
> > @@ -12,7 +12,7 @@
> > struct mtk_vcodec_ctx;
> >
> > /* timeout is ms */
> > -int mtk_vcodec_wait_for_done_ctx(struct mtk_vcodec_ctx *data, int
> > command,
> > - unsigned int timeout_ms);
> > +int mtk_vcodec_wait_for_done_ctx(struct mtk_vcodec_ctx *ctx,
> > + int command, unsigned int timeout_ms,
> > unsigned int hw_id);
> >
> > #endif /* _MTK_VCODEC_INTR_H_ */
> > diff --git a/drivers/media/platform/mtk-vcodec/vdec/vdec_h264_if.c
> > b/drivers/media/platform/mtk-vcodec/vdec/vdec_h264_if.c
> > index 40d6e6c5ac7a..481655bb6016 100644
> > --- a/drivers/media/platform/mtk-vcodec/vdec/vdec_h264_if.c
> > +++ b/drivers/media/platform/mtk-vcodec/vdec/vdec_h264_if.c
> > @@ -413,7 +413,7 @@ static int vdec_h264_decode(void *h_vdec,
> > struct mtk_vcodec_mem *bs,
> > /* wait decoder done interrupt */
> > err = mtk_vcodec_wait_for_done_ctx(inst->ctx,
> > MTK_INST_IRQ_RECEIVE
> > D,
> > - WAIT_INTR_TIMEOUT_MS
> > );
> > + WAIT_INTR_TIMEOUT_MS
> > , 0);
> > if (err)
> > goto err_free_fb_out;
> >
> > diff --git a/drivers/media/platform/mtk-
> > vcodec/vdec/vdec_h264_req_if.c b/drivers/media/platform/mtk-
> > vcodec/vdec/vdec_h264_req_if.c
> > index 4dde9ee786b4..d23baa364246 100644
> > --- a/drivers/media/platform/mtk-vcodec/vdec/vdec_h264_req_if.c
> > +++ b/drivers/media/platform/mtk-vcodec/vdec/vdec_h264_req_if.c
> > @@ -724,7 +724,7 @@ static int vdec_h264_slice_decode(void *h_vdec,
> > struct mtk_vcodec_mem *bs,
> > /* wait decoder done interrupt */
> > err = mtk_vcodec_wait_for_done_ctx(inst->ctx,
> > MTK_INST_IRQ_RECEIVED,
> > - WAIT_INTR_TIMEOUT_MS);
> > + WAIT_INTR_TIMEOUT_MS, 0);
> > if (err)
> > goto err_free_fb_out;
> > vpu_dec_end(vpu);
> > diff --git a/drivers/media/platform/mtk-vcodec/vdec/vdec_vp8_if.c
> > b/drivers/media/platform/mtk-vcodec/vdec/vdec_vp8_if.c
> > index e5393f841080..88c046731754 100644
> > --- a/drivers/media/platform/mtk-vcodec/vdec/vdec_vp8_if.c
> > +++ b/drivers/media/platform/mtk-vcodec/vdec/vdec_vp8_if.c
> > @@ -488,7 +488,7 @@ static int vdec_vp8_decode(void *h_vdec, struct
> > mtk_vcodec_mem *bs,
> >
> > /* wait decoder done interrupt */
> > mtk_vcodec_wait_for_done_ctx(inst->ctx, MTK_INST_IRQ_RECEIVED,
> > - WAIT_INTR_TIMEOUT_MS);
> > + WAIT_INTR_TIMEOUT_MS, 0);
> >
> > if (inst->vsi->load_data)
> > load_dec_table(inst);
> > diff --git a/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c
> > b/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c
> > index 71cdc3ddafcb..70b8383f7c8e 100644
> > --- a/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c
> > +++ b/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c
> > @@ -539,7 +539,7 @@ static bool vp9_wait_dec_end(struct
> > vdec_vp9_inst *inst)
> >
> > mtk_vcodec_wait_for_done_ctx(inst->ctx,
> > MTK_INST_IRQ_RECEIVED,
> > - WAIT_INTR_TIMEOUT_MS);
> > + WAIT_INTR_TIMEOUT_MS, 0);
> >
> > if (ctx->irq_status & MTK_VDEC_IRQ_STATUS_DEC_SUCCESS)
> > return true;
> > diff --git a/drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c
> > b/drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c
> > index b6a4f2074fa5..9ae1bd8dbc32 100644
> > --- a/drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c
> > +++ b/drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c
> > @@ -335,7 +335,7 @@ static unsigned int
> > h264_enc_wait_venc_done(struct venc_h264_inst *inst)
> > struct mtk_vcodec_ctx *ctx = (struct mtk_vcodec_ctx *)inst-
> > >ctx;
> >
> > if (!mtk_vcodec_wait_for_done_ctx(ctx, MTK_INST_IRQ_RECEIVED,
> > - WAIT_INTR_TIMEOUT_MS)) {
> > + WAIT_INTR_TIMEOUT_MS, 0)) {
> > irq_status = ctx->irq_status;
> > mtk_vcodec_debug(inst, "irq_status %x <-", irq_status);
> > }
> > diff --git a/drivers/media/platform/mtk-vcodec/venc/venc_vp8_if.c
> > b/drivers/media/platform/mtk-vcodec/venc/venc_vp8_if.c
> > index 8267a9c4fd25..f96564277577 100644
> > --- a/drivers/media/platform/mtk-vcodec/venc/venc_vp8_if.c
> > +++ b/drivers/media/platform/mtk-vcodec/venc/venc_vp8_if.c
> > @@ -222,7 +222,7 @@ static unsigned int
> > vp8_enc_wait_venc_done(struct venc_vp8_inst *inst)
> > struct mtk_vcodec_ctx *ctx = (struct mtk_vcodec_ctx *)inst-
> > >ctx;
> >
> > if (!mtk_vcodec_wait_for_done_ctx(ctx, MTK_INST_IRQ_RECEIVED,
> > - WAIT_INTR_TIMEOUT_MS)) {
> > + WAIT_INTR_TIMEOUT_MS, 0)) {
> > irq_status = ctx->irq_status;
> > mtk_vcodec_debug(inst, "isr return %x", irq_status);
> > }
> >
Thanks,
Yunfei Dong
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