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Date: Sat, 20 Feb 2021 14:55:03 +0800
From: Irui Wang <irui.wang@...iatek.com>
To: Alexandre Courbot <acourbot@...omium.org>
CC: Hans Verkuil <hverkuil-cisco@...all.nl>,
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>,
Hsin-Yi Wang <hsinyi@...omium.org>,
Maoguang Meng <maoguang.meng@...iatek.com>,
Longfei Wang <longfei.wang@...iatek.com>,
Yunfei Dong <yunfei.dong@...iatek.com>,
Linux Media Mailing List <linux-media@...r.kernel.org>,
devicetree <devicetree@...r.kernel.org>,
LKML <linux-kernel@...r.kernel.org>,
"moderated list:ARM/Mediatek SoC support"
<linux-arm-kernel@...ts.infradead.org>,
<srv_heupstream@...iatek.com>,
"moderated list:ARM/Mediatek SoC support"
<linux-mediatek@...ts.infradead.org>
Subject: Re: [PATCH 3/3] media: mtk-vcodec: Separating mtk encoder driver
On Wed, 2021-02-03 at 19:44 +0900, Alexandre Courbot wrote:
> Hi Irui,
>
> Thanks for pushing this forward. I had two small conflicts when
> applying this patch to the media tree, so you may want to rebase
> before sending the next version. Please see the comments inline.
>
> On Thu, Jan 21, 2021 at 3:18 PM Irui Wang <irui.wang@...iatek.com> wrote:
> >
> > MTK H264 Encoder(VENC_SYS) and VP8 Encoder(VENC_LT_SYS) are two
> > independent hardware instance. They have their owner interrupt,
> > register mapping, and special clocks.
> >
> > This patch seperates them into two drivers:
>
> seperates -> separates
>
> Also the patch does not result in two drivers, but two devices.
>
> > User Call "VIDIOC_QUERYCAP":
> > H264 Encoder return driver name "mtk-vcodec-enc";
> > VP8 Encoder return driver name "mtk-venc-vp8.
>
> I wonder if we need to use two different names? The driver is the
> same, so it makes sense to me that both devices return
> "mtk-vcodec-enc". Userspace can then list the formats on the CAPTURE
> queue in order to query the supported codecs.
>
I'm afraid we can't, there is a symlink when chrome use the
encoder(50-media.rules):
ATTR{name} == "mtk-vcodec-enc", SYMLINK+="video-enc"
ATTR{name} == "mtk-venc-vp8", SYMLINK+="video-enc0"
if we use the same name,how userspace access the encoder? maybe there
will be some modifications are needed in VEA(for example)?
> >
> > Signed-off-by: Hsin-Yi Wang <hsinyi@...omium.org>
> > Signed-off-by: Maoguang Meng <maoguang.meng@...iatek.com>
> > Signed-off-by: Irui Wang <irui.wang@...iatek.com>
> >
> > ---
> > .../platform/mtk-vcodec/mtk_vcodec_drv.h | 10 +-
> > .../platform/mtk-vcodec/mtk_vcodec_enc.c | 23 +++-
> > .../platform/mtk-vcodec/mtk_vcodec_enc_drv.c | 121 +++++++-----------
> > .../platform/mtk-vcodec/mtk_vcodec_enc_pm.c | 40 +-----
> > .../platform/mtk-vcodec/venc/venc_vp8_if.c | 4 +-
> > 5 files changed, 82 insertions(+), 116 deletions(-)
> >
> > diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
> > index 3dd010cba23e..1594edcc706d 100644
> > --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
> > +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
> > @@ -19,6 +19,7 @@
> > #define MTK_VCODEC_DRV_NAME "mtk_vcodec_drv"
> > #define MTK_VCODEC_DEC_NAME "mtk-vcodec-dec"
> > #define MTK_VCODEC_ENC_NAME "mtk-vcodec-enc"
> > +#define MTK_VENC_VP8_NAME "mtk-venc-vp8"
> > #define MTK_PLATFORM_STR "platform:mt8173"
> >
> > #define MTK_VCODEC_MAX_PLANES 3
> > @@ -193,7 +194,6 @@ struct mtk_vcodec_pm {
> >
> > struct mtk_vcodec_clk venc_clk;
> > struct device *larbvenc;
> > - struct device *larbvenclt;
> > struct device *dev;
> > struct mtk_vcodec_dev *mtkdev;
> > };
> > @@ -311,25 +311,27 @@ enum mtk_chip {
> > * @chip: chip this encoder is compatible with
> > *
> > * @uses_ext: whether the encoder uses the extended firmware messaging format
> > - * @has_lt_irq: whether the encoder uses the LT irq
> > + * @name: whether the encoder core is vp8
> > * @min_birate: minimum supported encoding bitrate
> > * @max_bitrate: maximum supported encoding bitrate
> > * @capture_formats: array of supported capture formats
> > * @num_capture_formats: number of entries in capture_formats
> > * @output_formats: array of supported output formats
> > * @num_output_formats: number of entries in output_formats
> > + * @core_id: stand for h264 or vp8 encode index
> > */
> > struct mtk_vcodec_enc_pdata {
> > enum mtk_chip chip;
> >
> > bool uses_ext;
> > - bool has_lt_irq;
> > + const char *name;
>
> This new member can be removed if we use the same name for both devices.
>
> > unsigned long min_bitrate;
> > unsigned long max_bitrate;
> > const struct mtk_video_fmt *capture_formats;
> > size_t num_capture_formats;
> > const struct mtk_video_fmt *output_formats;
> > size_t num_output_formats;
> > + int core_id;
> > };
> >
> > #define MTK_ENC_CTX_IS_EXT(ctx) ((ctx)->dev->venc_pdata->uses_ext)
> > @@ -361,7 +363,6 @@ struct mtk_vcodec_enc_pdata {
> > *
> > * @dec_irq: decoder irq resource
> > * @enc_irq: h264 encoder irq resource
> > - * @enc_lt_irq: vp8 encoder irq resource
> > *
> > * @dec_mutex: decoder hardware lock
> > * @enc_mutex: encoder hardware lock.
> > @@ -397,7 +398,6 @@ struct mtk_vcodec_dev {
> >
> > int dec_irq;
> > int enc_irq;
> > - int enc_lt_irq;
> >
> > struct mutex dec_mutex;
> > struct mutex enc_mutex;
> > diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c
> > index 21de1431cfcb..0da6871b4b39 100644
> > --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c
> > +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c
> > @@ -9,6 +9,7 @@
> > #include <media/v4l2-mem2mem.h>
> > #include <media/videobuf2-dma-contig.h>
> > #include <soc/mediatek/smi.h>
> > +#include <linux/pm_runtime.h>
> >
> > #include "mtk_vcodec_drv.h"
> > #include "mtk_vcodec_enc.h"
> > @@ -189,7 +190,10 @@ static int vidioc_enum_fmt_vid_out(struct file *file, void *priv,
> > static int vidioc_venc_querycap(struct file *file, void *priv,
> > struct v4l2_capability *cap)
> > {
> > - strscpy(cap->driver, MTK_VCODEC_ENC_NAME, sizeof(cap->driver));
> > + const struct mtk_vcodec_enc_pdata *pdata =
> > + fh_to_ctx(priv)->dev->venc_pdata;
> > +
> > + strscpy(cap->driver, pdata->name, sizeof(cap->driver));
> > strscpy(cap->bus_info, MTK_PLATFORM_STR, sizeof(cap->bus_info));
> > strscpy(cap->card, MTK_PLATFORM_STR, sizeof(cap->card));
> >
> > @@ -797,7 +801,7 @@ static int vb2ops_venc_start_streaming(struct vb2_queue *q, unsigned int count)
> > */
> > if ((ctx->state == MTK_STATE_ABORT) || (ctx->state == MTK_STATE_FREE)) {
> > ret = -EIO;
> > - goto err_set_param;
> > + goto err_start_stream;
> > }
> >
> > /* Do the initialization when both start_streaming have been called */
> > @@ -809,6 +813,12 @@ static int vb2ops_venc_start_streaming(struct vb2_queue *q, unsigned int count)
> > return 0;
> > }
> >
> > + ret = pm_runtime_get_sync(&ctx->dev->plat_dev->dev);
> > + if (ret < 0) {
> > + mtk_v4l2_err("pm_runtime_get_sync fail %d", ret);
> > + goto err_start_stream;
> > + }
>
> This does not seem to be related to the split ; why is this necessary?
It's a prepare patch for the larbs, after separating, we need call
pm_runtime_ API additionally.
>
> > +
> > mtk_venc_set_param(ctx, ¶m);
> > ret = venc_if_set_param(ctx, VENC_SET_PARAM_ENC, ¶m);
> > if (ret) {
> > @@ -835,6 +845,11 @@ static int vb2ops_venc_start_streaming(struct vb2_queue *q, unsigned int count)
> > return 0;
> >
> > err_set_param:
> > + ret = pm_runtime_put(&ctx->dev->plat_dev->dev);
> > + if (ret < 0)
> > + mtk_v4l2_err("pm_runtime_put fail %d", ret);
> > +
> > +err_start_stream:
> > for (i = 0; i < q->num_buffers; ++i) {
> > struct vb2_buffer *buf = vb2_get_buffer(q, i);
> >
> > @@ -888,6 +903,10 @@ static void vb2ops_venc_stop_streaming(struct vb2_queue *q)
> > if (ret)
> > mtk_v4l2_err("venc_if_deinit failed=%d", ret);
> >
> > + ret = pm_runtime_put(&ctx->dev->plat_dev->dev);
> > + if (ret < 0)
> > + mtk_v4l2_err("pm_runtime_put fail %d", ret);
> > +
> > ctx->state = MTK_STATE_FREE;
> > }
> >
> > 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 dfb42e19bf81..4bee42454253 100644
> > --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c
> > +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c
> > @@ -49,12 +49,15 @@ static const struct mtk_video_fmt mtk_video_formats_output_mt8173[] = {
> > },
> > };
> >
> > -static const struct mtk_video_fmt mtk_video_formats_capture_mt8173[] = {
> > +static const struct mtk_video_fmt mtk_video_formats_capture_mt8173_h264[] = {
> > {
> > .fourcc = V4L2_PIX_FMT_H264,
> > .type = MTK_FMT_ENC,
> > .num_planes = 1,
> > },
> > +};
> > +
> > +static const struct mtk_video_fmt mtk_video_formats_capture_mt8173_vp8[] = {
> > {
> > .fourcc = V4L2_PIX_FMT_VP8,
> > .type = MTK_FMT_ENC,
> > @@ -110,35 +113,13 @@ static irqreturn_t mtk_vcodec_enc_irq_handler(int irq, void *priv)
> > ctx = dev->curr_ctx;
> > spin_unlock_irqrestore(&dev->irqlock, flags);
> >
> > - mtk_v4l2_debug(1, "id=%d", ctx->id);
> > - addr = dev->reg_base[VENC_SYS] + MTK_VENC_IRQ_ACK_OFFSET;
> > -
> > - ctx->irq_status = readl(dev->reg_base[VENC_SYS] +
> > - (MTK_VENC_IRQ_STATUS_OFFSET));
> > -
> > - clean_irq_status(ctx->irq_status, addr);
> > -
> > - wake_up_ctx(ctx, MTK_INST_IRQ_RECEIVED);
> > - return IRQ_HANDLED;
> > -}
> > -
> > -static irqreturn_t mtk_vcodec_enc_lt_irq_handler(int irq, void *priv)
> > -{
> > - struct mtk_vcodec_dev *dev = priv;
> > - struct mtk_vcodec_ctx *ctx;
> > - unsigned long flags;
> > - void __iomem *addr;
> > -
> > - spin_lock_irqsave(&dev->irqlock, flags);
> > - ctx = dev->curr_ctx;
> > - spin_unlock_irqrestore(&dev->irqlock, flags);
> > + mtk_v4l2_debug(1, "id=%d coreid:%d", ctx->id, dev->venc_pdata->core_id);
> > + addr = dev->reg_base[dev->venc_pdata->core_id] +
> > + MTK_VENC_IRQ_ACK_OFFSET;
> >
> > - mtk_v4l2_debug(1, "id=%d", ctx->id);
> > - ctx->irq_status = readl(dev->reg_base[VENC_LT_SYS] +
> > + ctx->irq_status = readl(dev->reg_base[dev->venc_pdata->core_id] +
> > (MTK_VENC_IRQ_STATUS_OFFSET));
> >
> > - addr = dev->reg_base[VENC_LT_SYS] + MTK_VENC_IRQ_ACK_OFFSET;
> > -
> > clean_irq_status(ctx->irq_status, addr);
> >
> > wake_up_ctx(ctx, MTK_INST_IRQ_RECEIVED);
> > @@ -293,17 +274,21 @@ static int mtk_vcodec_probe(struct platform_device *pdev)
> > dev->venc_pdata = of_device_get_match_data(&pdev->dev);
> > ret = mtk_vcodec_init_enc_pm(dev);
> > if (ret < 0) {
> > - dev_err(&pdev->dev, "Failed to get mt vcodec clock source!");
> > + dev_err(&pdev->dev, "Failed to get mtk vcodec clock source!");
> > goto err_enc_pm;
> > }
> >
> > - res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> > - dev->reg_base[VENC_SYS] = devm_ioremap_resource(&pdev->dev, res);
> > - if (IS_ERR((__force void *)dev->reg_base[VENC_SYS])) {
> > - ret = PTR_ERR((__force void *)dev->reg_base[VENC_SYS]);
> > + pm_runtime_enable(&pdev->dev);
> > +
> > + snprintf(dev->v4l2_dev.name, sizeof(dev->v4l2_dev.name), "%s",
> > + dev->venc_pdata->name);
> > +
> > + dev->reg_base[dev->venc_pdata->core_id] =
> > + devm_platform_ioremap_resource(pdev, 0);
> > + if (IS_ERR(dev->reg_base[dev->venc_pdata->core_id])) {
> > + ret = PTR_ERR(dev->reg_base[dev->venc_pdata->core_id]);
> > goto err_res;
> > }
> > - mtk_v4l2_debug(2, "reg[%d] base=0x%p", i, dev->reg_base[VENC_SYS]);
> >
> > res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
> > if (res == NULL) {
> > @@ -318,44 +303,17 @@ static int mtk_vcodec_probe(struct platform_device *pdev)
> > mtk_vcodec_enc_irq_handler,
> > 0, pdev->name, dev);
> > if (ret) {
> > - dev_err(&pdev->dev, "Failed to install dev->enc_irq %d (%d)",
> > - dev->enc_irq,
> > - ret);
> > + dev_err(&pdev->dev,
> > + "Failed to install dev->enc_irq %d (%d) core_id:%d",
> > + dev->enc_irq, ret, dev->venc_pdata->core_id);
> > ret = -EINVAL;
> > goto err_res;
> > }
> >
> > - if (dev->venc_pdata->has_lt_irq) {
> > - res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
> > - dev->reg_base[VENC_LT_SYS] = devm_ioremap_resource(&pdev->dev, res);
> > - if (IS_ERR((__force void *)dev->reg_base[VENC_LT_SYS])) {
> > - ret = PTR_ERR((__force void *)dev->reg_base[VENC_LT_SYS]);
> > - goto err_res;
> > - }
> > - mtk_v4l2_debug(2, "reg[%d] base=0x%p", i, dev->reg_base[VENC_LT_SYS]);
> > -
> > - dev->enc_lt_irq = platform_get_irq(pdev, 1);
> > - irq_set_status_flags(dev->enc_lt_irq, IRQ_NOAUTOEN);
> > - ret = devm_request_irq(&pdev->dev,
> > - dev->enc_lt_irq,
> > - mtk_vcodec_enc_lt_irq_handler,
> > - 0, pdev->name, dev);
> > - if (ret) {
> > - dev_err(&pdev->dev,
> > - "Failed to install dev->enc_lt_irq %d (%d)",
> > - dev->enc_lt_irq, ret);
> > - ret = -EINVAL;
> > - goto err_res;
> > - }
> > - }
> > -
> > mutex_init(&dev->enc_mutex);
> > mutex_init(&dev->dev_mutex);
> > spin_lock_init(&dev->irqlock);
> >
> > - snprintf(dev->v4l2_dev.name, sizeof(dev->v4l2_dev.name), "%s",
> > - "[MTK_V4L2_VENC]");
> > -
> > ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev);
> > if (ret) {
> > mtk_v4l2_err("v4l2_device_register err=%d", ret);
> > @@ -381,7 +339,7 @@ static int mtk_vcodec_probe(struct platform_device *pdev)
> > V4L2_CAP_STREAMING;
> >
> > snprintf(vfd_enc->name, sizeof(vfd_enc->name), "%s",
> > - MTK_VCODEC_ENC_NAME);
> > + dev->venc_pdata->name);
>
> Let's keep the indendation at the same level as before (if we use the
> same driver name for both devices this change is unnecessary though).
>
Need to confirm before send the next version.
> > video_set_drvdata(vfd_enc, dev);
> > dev->vfd_enc = vfd_enc;
> > platform_set_drvdata(pdev, dev);
> > @@ -409,8 +367,8 @@ static int mtk_vcodec_probe(struct platform_device *pdev)
> > goto err_enc_reg;
> > }
> >
> > - mtk_v4l2_debug(0, "encoder registered as /dev/video%d",
> > - vfd_enc->num);
> > + mtk_v4l2_debug(0, "encoder %d registered as /dev/video%d",
> > + dev->venc_pdata->core_id, vfd_enc->num);
> >
> > return 0;
> >
> > @@ -429,20 +387,33 @@ static int mtk_vcodec_probe(struct platform_device *pdev)
> > return ret;
> > }
> >
> > -static const struct mtk_vcodec_enc_pdata mt8173_pdata = {
> > +static const struct mtk_vcodec_enc_pdata mt8173_avc_pdata = {
> > .chip = MTK_MT8173,
> > - .has_lt_irq = true,
> > - .capture_formats = mtk_video_formats_capture_mt8173,
> > - .num_capture_formats = ARRAY_SIZE(mtk_video_formats_capture_mt8173),
> > + .name = MTK_VCODEC_ENC_NAME,
> > + .capture_formats = mtk_video_formats_capture_mt8173_h264,
> > + .num_capture_formats = 1,
>
> Can't this be ARRAY_SIZE(mtk_video_formats_capture_mt8173_h264)
>
> > .output_formats = mtk_video_formats_output_mt8173,
> > .num_output_formats = ARRAY_SIZE(mtk_video_formats_output_mt8173),
> > - .min_bitrate = 1,
> > + .min_bitrate = 64,
>
> I'm fine with changing the value of min_bitrate, but this should be a
> separate patch.
>
> > + .max_bitrate = 4000000,
> > + .core_id = VENC_SYS,
> > +};
> > +
> > +static const struct mtk_vcodec_enc_pdata mt8173_vp8_pdata = {
> > + .chip = MTK_MT8173,
> > + .name = MTK_VENC_VP8_NAME,
> > + .capture_formats = mtk_video_formats_capture_mt8173_vp8,
> > + .num_capture_formats = 1,
>
> Same here, ARRAY_SIZE(mtk_video_formats_capture_mt8173_vp8)
>
> > + .output_formats = mtk_video_formats_output_mt8173,
> > + .num_output_formats = ARRAY_SIZE(mtk_video_formats_output_mt8173),
> > + .min_bitrate = 64,
> > .max_bitrate = 4000000,
> > + .core_id = VENC_LT_SYS,
> > };
> >
> > static const struct mtk_vcodec_enc_pdata mt8183_pdata = {
> > .chip = MTK_MT8183,
> > - .has_lt_irq = false,
> > + .name = MTK_VCODEC_ENC_NAME,
> > .uses_ext = true,
> > .capture_formats = mtk_video_formats_capture_mt8183,
> > .num_capture_formats = ARRAY_SIZE(mtk_video_formats_capture_mt8183),
> > @@ -451,10 +422,14 @@ static const struct mtk_vcodec_enc_pdata mt8183_pdata = {
> > .num_output_formats = ARRAY_SIZE(mtk_video_formats_output_mt8173),
> > .min_bitrate = 64,
> > .max_bitrate = 40000000,
> > + .core_id = VENC_SYS,
> > };
> >
> > static const struct of_device_id mtk_vcodec_enc_match[] = {
> > - {.compatible = "mediatek,mt8173-vcodec-enc", .data = &mt8173_pdata},
> > + {.compatible = "mediatek,mt8173-vcodec-avc-enc",
> > + .data = &mt8173_avc_pdata},
>
> For backward compatibility let's also match
> "mediatek,mt8173-vcodec-enc" against this platform data.
>
>
> > + {.compatible = "mediatek,mt8173-vcodec-vp8-enc",
> > + .data = &mt8173_vp8_pdata},
> > {.compatible = "mediatek,mt8183-vcodec-enc", .data = &mt8183_pdata},
> > {},
> > };
> > diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c
> > index 3b7c54d6aa8f..1b2e4930ed27 100644
> > --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c
> > +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c
> > @@ -43,23 +43,6 @@ int mtk_vcodec_init_enc_pm(struct mtk_vcodec_dev *mtkdev)
> > return -ENODEV;
> > }
> > pm->larbvenc = &pdev->dev;
> > -
> > - node = of_parse_phandle(dev->of_node, "mediatek,larb", 1);
> > - if (!node) {
> > - mtk_v4l2_err("no mediatek,larb found");
> > - ret = -ENODEV;
> > - goto put_larbvenc;
> > - }
> > -
> > - pdev = of_find_device_by_node(node);
> > - of_node_put(node);
> > - if (!pdev) {
> > - mtk_v4l2_err("no mediatek,larb device found");
> > - ret = -ENODEV;
> > - goto put_larbvenc;
> > - }
> > -
> > - pm->larbvenclt = &pdev->dev;
> > pdev = mtkdev->plat_dev;
> > pm->dev = &pdev->dev;
> >
> > @@ -71,12 +54,12 @@ int mtk_vcodec_init_enc_pm(struct mtk_vcodec_dev *mtkdev)
> > GFP_KERNEL);
> > if (!enc_clk->clk_info) {
> > ret = -ENOMEM;
> > - goto put_larbvenclt;
> > + goto put_larbvenc;
> > }
> > } else {
> > mtk_v4l2_err("Failed to get venc clock count");
> > ret = -EINVAL;
> > - goto put_larbvenclt;
> > + goto put_larbvenc;
> > }
> >
> > for (i = 0; i < enc_clk->clk_num; i++) {
> > @@ -85,7 +68,7 @@ int mtk_vcodec_init_enc_pm(struct mtk_vcodec_dev *mtkdev)
> > "clock-names", i, &clk_info->clk_name);
> > if (ret) {
> > mtk_v4l2_err("venc failed to get clk name %d", i);
> > - goto put_larbvenclt;
> > + goto put_larbvenc;
> > }
> > clk_info->vcodec_clk = devm_clk_get(&pdev->dev,
> > clk_info->clk_name);
> > @@ -93,14 +76,12 @@ int mtk_vcodec_init_enc_pm(struct mtk_vcodec_dev *mtkdev)
> > mtk_v4l2_err("venc devm_clk_get (%d)%s fail", i,
> > clk_info->clk_name);
> > ret = PTR_ERR(clk_info->vcodec_clk);
> > - goto put_larbvenclt;
> > + goto put_larbvenc;
> > }
> > }
> >
> > return 0;
> >
> > -put_larbvenclt:
> > - put_device(pm->larbvenclt);
> > put_larbvenc:
> > put_device(pm->larbvenc);
> > return ret;
> > @@ -108,7 +89,7 @@ int mtk_vcodec_init_enc_pm(struct mtk_vcodec_dev *mtkdev)
> >
> > void mtk_vcodec_release_enc_pm(struct mtk_vcodec_dev *mtkdev)
> > {
> > - put_device(mtkdev->pm.larbvenclt);
> > + pm_runtime_disable(mtkdev->pm.dev);
> > put_device(mtkdev->pm.larbvenc);
> > }
> >
> > @@ -130,18 +111,10 @@ void mtk_vcodec_enc_clock_on(struct mtk_vcodec_pm *pm)
> > ret = mtk_smi_larb_get(pm->larbvenc);
> > if (ret) {
> > mtk_v4l2_err("mtk_smi_larb_get larb3 fail %d", ret);
> > - goto larbvencerr;
> > - }
> > - ret = mtk_smi_larb_get(pm->larbvenclt);
> > - if (ret) {
> > - mtk_v4l2_err("mtk_smi_larb_get larb4 fail %d", ret);
> > - goto larbvenclterr;
> > + goto clkerr;
> > }
> > return;
> >
> > -larbvenclterr:
> > - mtk_smi_larb_put(pm->larbvenc);
> > -larbvencerr:
> > clkerr:
> > for (i -= 1; i >= 0; i--)
> > clk_disable_unprepare(enc_clk->clk_info[i].vcodec_clk);
> > @@ -153,7 +126,6 @@ void mtk_vcodec_enc_clock_off(struct mtk_vcodec_pm *pm)
> > int i = 0;
> >
> > mtk_smi_larb_put(pm->larbvenc);
> > - mtk_smi_larb_put(pm->larbvenclt);
> > for (i = enc_clk->clk_num - 1; i >= 0; i--)
> > clk_disable_unprepare(enc_clk->clk_info[i].vcodec_clk);
> > }
> > 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 11abb191ada5..8267a9c4fd25 100644
> > --- a/drivers/media/platform/mtk-vcodec/venc/venc_vp8_if.c
> > +++ b/drivers/media/platform/mtk-vcodec/venc/venc_vp8_if.c
> > @@ -367,7 +367,7 @@ static int vp8_enc_encode(void *handle,
> >
> > mtk_vcodec_debug_enter(inst);
> >
> > - enable_irq(ctx->dev->enc_lt_irq);
> > + enable_irq(ctx->dev->enc_irq);
> >
> > switch (opt) {
> > case VENC_START_OPT_ENCODE_FRAME:
> > @@ -386,7 +386,7 @@ static int vp8_enc_encode(void *handle,
> >
> > encode_err:
> >
> > - disable_irq(ctx->dev->enc_lt_irq);
> > + disable_irq(ctx->dev->enc_irq);
> > mtk_vcodec_debug_leave(inst);
> >
> > return ret;
> > --
> > 2.18.0
> >
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