Re: [PATCH 01/10] media: mtk-vcodec: abstract firmware interface

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On Mon, 2020-06-08 at 18:16 +0800, Tiffany Lin wrote:
> On Wed, 2020-05-20 at 17:27 +0900, Alexandre Courbot wrote:
> > From: Yunfei Dong <yunfei.dong@xxxxxxxxxxxx>
> > 
> > MT8183's codec firwmare is run by a different remote processor from
> > MT8173. While the firmware interface is basically the same, the way to
> > invoke it differs. Abstract all firmware calls under a layer that will
> > allow us to handle both firmware types transparently.
> > 
> > Signed-off-by: Yunfei Dong <yunfei.dong@xxxxxxxxxxxx>
> > [acourbot: refactor, cleanup and split]
> > Co-developed-by: Alexandre Courbot <acourbot@xxxxxxxxxxxx>
> > Signed-off-by: Alexandre Courbot <acourbot@xxxxxxxxxxxx>
> > [pihsun: fix error path and add mtk_vcodec_fw_release]
> > Signed-off-by: Pi-Hsun Shih <pihsun@xxxxxxxxxxxx>
> > ---
> >  drivers/media/platform/mtk-vcodec/Makefile    |   4 +-
> >  .../platform/mtk-vcodec/mtk_vcodec_dec_drv.c  |  50 ++---
> >  .../platform/mtk-vcodec/mtk_vcodec_dec_pm.c   |   1 -
> >  .../platform/mtk-vcodec/mtk_vcodec_drv.h      |   5 +-
> >  .../platform/mtk-vcodec/mtk_vcodec_enc_drv.c  |  47 ++---
> >  .../platform/mtk-vcodec/mtk_vcodec_enc_pm.c   |   2 -
> >  .../media/platform/mtk-vcodec/mtk_vcodec_fw.c | 172 ++++++++++++++++++
> >  .../media/platform/mtk-vcodec/mtk_vcodec_fw.h |  36 ++++
> >  .../platform/mtk-vcodec/mtk_vcodec_util.c     |   1 -
> >  .../platform/mtk-vcodec/vdec/vdec_h264_if.c   |   1 -
> >  .../platform/mtk-vcodec/vdec/vdec_vp8_if.c    |   1 -
> >  .../platform/mtk-vcodec/vdec/vdec_vp9_if.c    |   1 -
> >  .../media/platform/mtk-vcodec/vdec_drv_base.h |   2 -
> >  .../media/platform/mtk-vcodec/vdec_drv_if.c   |   1 -
> >  .../media/platform/mtk-vcodec/vdec_vpu_if.c   |  12 +-
> >  .../media/platform/mtk-vcodec/vdec_vpu_if.h   |  11 +-
> >  .../platform/mtk-vcodec/venc/venc_h264_if.c   |  15 +-
> >  .../platform/mtk-vcodec/venc/venc_vp8_if.c    |   8 +-
> >  .../media/platform/mtk-vcodec/venc_drv_if.c   |   1 -
> >  .../media/platform/mtk-vcodec/venc_vpu_if.c   |  17 +-
> >  .../media/platform/mtk-vcodec/venc_vpu_if.h   |   5 +-
> >  21 files changed, 290 insertions(+), 103 deletions(-)
> >  create mode 100644 drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.c
> >  create mode 100644 drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.h
> > 
> > diff --git a/drivers/media/platform/mtk-vcodec/Makefile b/drivers/media/platform/mtk-vcodec/Makefile
> > index 37b94b555fa1..b8636119ed0a 100644
> > --- a/drivers/media/platform/mtk-vcodec/Makefile
> > +++ b/drivers/media/platform/mtk-vcodec/Makefile
> > @@ -12,7 +12,7 @@ mtk-vcodec-dec-y := vdec/vdec_h264_if.o \
> >  		vdec_vpu_if.o \
> >  		mtk_vcodec_dec.o \
> >  		mtk_vcodec_dec_pm.o \
> > -
> > +		mtk_vcodec_fw.o
> >  
> >  mtk-vcodec-enc-y := venc/venc_vp8_if.o \
> >  		venc/venc_h264_if.o \
> > @@ -25,5 +25,3 @@ mtk-vcodec-enc-y := venc/venc_vp8_if.o \
> >  
> >  mtk-vcodec-common-y := mtk_vcodec_intr.o \
> >  		mtk_vcodec_util.o\
> > -
> > -ccflags-y += -I$(srctree)/drivers/media/platform/mtk-vpu
> > 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 97a1b6664c20..4f07a5fcce7f 100644
> > --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c
> > +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c
> > @@ -20,7 +20,7 @@
> >  #include "mtk_vcodec_dec_pm.h"
> >  #include "mtk_vcodec_intr.h"
> >  #include "mtk_vcodec_util.h"
> > -#include "mtk_vpu.h"
> > +#include "mtk_vcodec_fw.h"
> >  
> >  #define VDEC_HW_ACTIVE	0x10
> >  #define VDEC_IRQ_CFG	0x11
> > @@ -77,22 +77,6 @@ static irqreturn_t mtk_vcodec_dec_irq_handler(int irq, void *priv)
> >  	return IRQ_HANDLED;
> >  }
> >  
> > -static void mtk_vcodec_dec_reset_handler(void *priv)
> > -{
> > -	struct mtk_vcodec_dev *dev = priv;
> > -	struct mtk_vcodec_ctx *ctx;
> > -
> > -	mtk_v4l2_err("Watchdog timeout!!");
> > -
> > -	mutex_lock(&dev->dev_mutex);
> > -	list_for_each_entry(ctx, &dev->ctx_list, list) {
> > -		ctx->state = MTK_STATE_ABORT;
> > -		mtk_v4l2_debug(0, "[%d] Change to state MTK_STATE_ERROR",
> > -				ctx->id);
> > -	}
> > -	mutex_unlock(&dev->dev_mutex);
> > -}
> > -
> 
> After using abstract firmware interface, how does driver process
> watchdog timeout?

I found it move to mtk_vcodec_fw.c and rename to
mtk_vcodec_reset_handler.


Reviewed-by:Tiffany Lin <tiffany.lin@xxxxxxxxxxxx>

> 
> >  static int fops_vcodec_open(struct file *file)
> >  {
> >  	struct mtk_vcodec_dev *dev = video_drvdata(file);
> > @@ -144,21 +128,20 @@ static int fops_vcodec_open(struct file *file)
> >  	if (v4l2_fh_is_singular(&ctx->fh)) {
> >  		mtk_vcodec_dec_pw_on(&dev->pm);
> >  		/*
> > -		 * vpu_load_firmware checks if it was loaded already and
> > -		 * does nothing in that case
> > +		 * Does nothing if firmware was already loaded.
> >  		 */
> > -		ret = vpu_load_firmware(dev->vpu_plat_dev);
> > +		ret = mtk_vcodec_fw_load_firmware(dev->fw_handler);
> >  		if (ret < 0) {
> >  			/*
> >  			 * Return 0 if downloading firmware successfully,
> >  			 * otherwise it is failed
> >  			 */
> > -			mtk_v4l2_err("vpu_load_firmware failed!");
> > +			mtk_v4l2_err("failed to load firmware!");
> >  			goto err_load_fw;
> >  		}
> >  
> >  		dev->dec_capability =
> > -			vpu_get_vdec_hw_capa(dev->vpu_plat_dev);
> > +			mtk_vcodec_fw_get_vdec_capa(dev->fw_handler);
> >  		mtk_v4l2_debug(0, "decoder capability %x", dev->dec_capability);
> >  	}
> >  
> > @@ -228,6 +211,8 @@ static int mtk_vcodec_probe(struct platform_device *pdev)
> >  	struct mtk_vcodec_dev *dev;
> >  	struct video_device *vfd_dec;
> >  	struct resource *res;
> > +	phandle rproc_phandle;
> > +	enum mtk_vcodec_fw_type fw_type;
> >  	int i, ret;
> >  
> >  	dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
> > @@ -237,19 +222,21 @@ static int mtk_vcodec_probe(struct platform_device *pdev)
> >  	INIT_LIST_HEAD(&dev->ctx_list);
> >  	dev->plat_dev = pdev;
> >  
> > -	dev->vpu_plat_dev = vpu_get_plat_device(dev->plat_dev);
> > -	if (dev->vpu_plat_dev == NULL) {
> > -		mtk_v4l2_err("[VPU] vpu device in not ready");
> > -		return -EPROBE_DEFER;
> > +	if (!of_property_read_u32(pdev->dev.of_node, "mediatek,vpu",
> > +				  &rproc_phandle)) {
> > +		fw_type = VPU;
> > +	} else {
> > +		mtk_v4l2_err("Could not get vdec IPI device");
> > +		return -ENODEV;
> >  	}
> > -
> > -	vpu_wdt_reg_handler(dev->vpu_plat_dev, mtk_vcodec_dec_reset_handler,
> > -			dev, VPU_RST_DEC);
> > +	dev->fw_handler = mtk_vcodec_fw_select(dev, fw_type, VPU_RST_DEC);
> > +	if (IS_ERR(dev->fw_handler))
> > +		return PTR_ERR(dev->fw_handler);
> >  
> >  	ret = mtk_vcodec_init_dec_pm(dev);
> >  	if (ret < 0) {
> >  		dev_err(&pdev->dev, "Failed to get mt vcodec clock source");
> > -		return ret;
> > +		goto err_dec_pm;
> >  	}
> >  
> >  	for (i = 0; i < NUM_MAX_VDEC_REG_BASE; i++) {
> > @@ -352,6 +339,8 @@ static int mtk_vcodec_probe(struct platform_device *pdev)
> >  	v4l2_device_unregister(&dev->v4l2_dev);
> >  err_res:
> >  	mtk_vcodec_release_dec_pm(dev);
> > +err_dec_pm:
> > +	mtk_vcodec_fw_release(dev->fw_handler);
> >  	return ret;
> >  }
> >  
> > @@ -376,6 +365,7 @@ static int mtk_vcodec_dec_remove(struct platform_device *pdev)
> >  
> >  	v4l2_device_unregister(&dev->v4l2_dev);
> >  	mtk_vcodec_release_dec_pm(dev);
> > +	mtk_vcodec_fw_release(dev->fw_handler);
> >  	return 0;
> >  }
> >  
> > diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c
> > index 5a6ec8fb52da..36dfe3fc056a 100644
> > --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c
> > +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c
> > @@ -12,7 +12,6 @@
> >  
> >  #include "mtk_vcodec_dec_pm.h"
> >  #include "mtk_vcodec_util.h"
> > -#include "mtk_vpu.h"
> >  
> >  int mtk_vcodec_init_dec_pm(struct mtk_vcodec_dev *mtkdev)
> >  {
> > diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
> > index 9fd56dee7fd1..e132c4ec463a 100644
> > --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
> > +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
> > @@ -309,13 +309,13 @@ struct mtk_vcodec_ctx {
> >   * @m2m_dev_dec: m2m device for decoder
> >   * @m2m_dev_enc: m2m device for encoder.
> >   * @plat_dev: platform device
> > - * @vpu_plat_dev: mtk vpu platform device
> >   * @ctx_list: list of struct mtk_vcodec_ctx
> >   * @irqlock: protect data access by irq handler and work thread
> >   * @curr_ctx: The context that is waiting for codec hardware
> >   *
> >   * @reg_base: Mapped address of MTK Vcodec registers.
> >   *
> > + * @fw_handler: used to communicate with the firmware.
> >   * @id_counter: used to identify current opened instance
> >   *
> >   * @encode_workqueue: encode work queue
> > @@ -344,12 +344,13 @@ struct mtk_vcodec_dev {
> >  	struct v4l2_m2m_dev *m2m_dev_dec;
> >  	struct v4l2_m2m_dev *m2m_dev_enc;
> >  	struct platform_device *plat_dev;
> > -	struct platform_device *vpu_plat_dev;
> >  	struct list_head ctx_list;
> >  	spinlock_t irqlock;
> >  	struct mtk_vcodec_ctx *curr_ctx;
> >  	void __iomem *reg_base[NUM_MAX_VCODEC_REG_BASE];
> >  
> > +	struct mtk_vcodec_fw *fw_handler;
> > +
> >  	unsigned long id_counter;
> >  
> >  	struct workqueue_struct *decode_workqueue;
> > 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 4d31f1ed113f..4340ea10afd0 100644
> > --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c
> > +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c
> > @@ -21,7 +21,7 @@
> >  #include "mtk_vcodec_enc_pm.h"
> >  #include "mtk_vcodec_intr.h"
> >  #include "mtk_vcodec_util.h"
> > -#include "mtk_vpu.h"
> > +#include "mtk_vcodec_fw.h"
> >  
> >  module_param(mtk_v4l2_dbg_level, int, S_IRUGO | S_IWUSR);
> >  module_param(mtk_vcodec_dbg, bool, S_IRUGO | S_IWUSR);
> > @@ -101,22 +101,6 @@ static irqreturn_t mtk_vcodec_enc_lt_irq_handler(int irq, void *priv)
> >  	return IRQ_HANDLED;
> >  }
> >  
> > -static void mtk_vcodec_enc_reset_handler(void *priv)
> > -{
> > -	struct mtk_vcodec_dev *dev = priv;
> > -	struct mtk_vcodec_ctx *ctx;
> > -
> > -	mtk_v4l2_debug(0, "Watchdog timeout!!");
> > -
> > -	mutex_lock(&dev->dev_mutex);
> > -	list_for_each_entry(ctx, &dev->ctx_list, list) {
> > -		ctx->state = MTK_STATE_ABORT;
> > -		mtk_v4l2_debug(0, "[%d] Change to state MTK_STATE_ABORT",
> > -				ctx->id);
> > -	}
> > -	mutex_unlock(&dev->dev_mutex);
> > -}
> > -
> 
> After using abstract firmware interface, how does driver process
> watchdog timeout?
> 
> >  static int fops_vcodec_open(struct file *file)
> >  {
> >  	struct mtk_vcodec_dev *dev = video_drvdata(file);
> > @@ -159,10 +143,10 @@ static int fops_vcodec_open(struct file *file)
> >  
> >  	if (v4l2_fh_is_singular(&ctx->fh)) {
> >  		/*
> > -		 * vpu_load_firmware checks if it was loaded already and
> > +		 * load fireware to checks if it was loaded already and
> >  		 * does nothing in that case
> >  		 */
> > -		ret = vpu_load_firmware(dev->vpu_plat_dev);
> > +		ret = mtk_vcodec_fw_load_firmware(dev->fw_handler);
> >  		if (ret < 0) {
> >  			/*
> >  			 * Return 0 if downloading firmware successfully,
> > @@ -173,7 +157,7 @@ static int fops_vcodec_open(struct file *file)
> >  		}
> >  
> >  		dev->enc_capability =
> > -			vpu_get_venc_hw_capa(dev->vpu_plat_dev);
> > +			mtk_vcodec_fw_get_venc_capa(dev->fw_handler);
> >  		mtk_v4l2_debug(0, "encoder capability %x", dev->enc_capability);
> >  	}
> >  
> > @@ -235,6 +219,8 @@ static int mtk_vcodec_probe(struct platform_device *pdev)
> >  	struct mtk_vcodec_dev *dev;
> >  	struct video_device *vfd_enc;
> >  	struct resource *res;
> > +	phandle rproc_phandle;
> > +	enum mtk_vcodec_fw_type fw_type;
> >  	int i, j, ret;
> >  
> >  	dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
> > @@ -244,19 +230,21 @@ static int mtk_vcodec_probe(struct platform_device *pdev)
> >  	INIT_LIST_HEAD(&dev->ctx_list);
> >  	dev->plat_dev = pdev;
> >  
> > -	dev->vpu_plat_dev = vpu_get_plat_device(dev->plat_dev);
> > -	if (dev->vpu_plat_dev == NULL) {
> > -		mtk_v4l2_err("[VPU] vpu device in not ready");
> > -		return -EPROBE_DEFER;
> > +	if (!of_property_read_u32(pdev->dev.of_node, "mediatek,vpu",
> > +				  &rproc_phandle)) {
> > +		fw_type = VPU;
> > +	} else {
> > +		mtk_v4l2_err("Could not get venc IPI device");
> > +		return -ENODEV;
> >  	}
> > -
> > -	vpu_wdt_reg_handler(dev->vpu_plat_dev, mtk_vcodec_enc_reset_handler,
> > -				dev, VPU_RST_ENC);
> > +	dev->fw_handler = mtk_vcodec_fw_select(dev, fw_type, VPU_RST_ENC);
> > +	if (IS_ERR(dev->fw_handler))
> > +		return PTR_ERR(dev->fw_handler);
> >  
> >  	ret = mtk_vcodec_init_enc_pm(dev);
> >  	if (ret < 0) {
> >  		dev_err(&pdev->dev, "Failed to get mt vcodec clock source!");
> > -		return ret;
> > +		goto err_enc_pm;
> >  	}
> >  
> >  	for (i = VENC_SYS, j = 0; i < NUM_MAX_VCODEC_REG_BASE; i++, j++) {
> > @@ -377,6 +365,8 @@ static int mtk_vcodec_probe(struct platform_device *pdev)
> >  	v4l2_device_unregister(&dev->v4l2_dev);
> >  err_res:
> >  	mtk_vcodec_release_enc_pm(dev);
> > +err_enc_pm:
> > +	mtk_vcodec_fw_release(dev->fw_handler);
> >  	return ret;
> >  }
> >  
> > @@ -401,6 +391,7 @@ static int mtk_vcodec_enc_remove(struct platform_device *pdev)
> >  
> >  	v4l2_device_unregister(&dev->v4l2_dev);
> >  	mtk_vcodec_release_enc_pm(dev);
> > +	mtk_vcodec_fw_release(dev->fw_handler);
> >  	return 0;
> >  }
> >  
> > 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 3e2bfded79a6..ee22902aaa71 100644
> > --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c
> > +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c
> > @@ -12,8 +12,6 @@
> >  
> >  #include "mtk_vcodec_enc_pm.h"
> >  #include "mtk_vcodec_util.h"
> > -#include "mtk_vpu.h"
> > -
> >  
> >  int mtk_vcodec_init_enc_pm(struct mtk_vcodec_dev *mtkdev)
> >  {
> > diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.c
> > new file mode 100644
> > index 000000000000..967bb100a990
> > --- /dev/null
> > +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.c
> > @@ -0,0 +1,172 @@
> > +// SPDX-License-Identifier: GPL-2.0
> > +
> > +#include "mtk_vcodec_fw.h"
> > +#include "mtk_vcodec_util.h"
> > +#include "mtk_vcodec_drv.h"
> > +
> > +struct mtk_vcodec_fw_ops {
> > +	int (*load_firmware)(struct mtk_vcodec_fw *fw);
> > +	unsigned int (*get_vdec_capa)(struct mtk_vcodec_fw *fw);
> > +	unsigned int (*get_venc_capa)(struct mtk_vcodec_fw *fw);
> > +	void * (*map_dm_addr)(struct mtk_vcodec_fw *fw, u32 dtcm_dmem_addr);
> > +	int (*ipi_register)(struct mtk_vcodec_fw *fw, int id,
> > +		mtk_vcodec_ipi_handler handler, const char *name, void *priv);
> > +	int (*ipi_send)(struct mtk_vcodec_fw *fw, int id, void *buf,
> > +		unsigned int len, unsigned int wait);
> > +};
> > +
> > +struct mtk_vcodec_fw {
> > +	enum mtk_vcodec_fw_type type;
> > +	const struct mtk_vcodec_fw_ops *ops;
> > +	struct platform_device *pdev;
> > +};
> > +
> > +static int mtk_vcodec_vpu_load_firmware(struct mtk_vcodec_fw *fw)
> > +{
> > +	return vpu_load_firmware(fw->pdev);
> > +}
> > +
> > +static unsigned int mtk_vcodec_vpu_get_vdec_capa(struct mtk_vcodec_fw *fw)
> > +{
> > +	return vpu_get_vdec_hw_capa(fw->pdev);
> > +}
> > +
> > +static unsigned int mtk_vcodec_vpu_get_venc_capa(struct mtk_vcodec_fw *fw)
> > +{
> > +	return vpu_get_venc_hw_capa(fw->pdev);
> > +}
> > +
> > +static void *mtk_vcodec_vpu_map_dm_addr(struct mtk_vcodec_fw *fw,
> > +					u32 dtcm_dmem_addr)
> > +{
> > +	return vpu_mapping_dm_addr(fw->pdev, dtcm_dmem_addr);
> > +}
> > +
> > +static int mtk_vcodec_vpu_set_ipi_register(struct mtk_vcodec_fw *fw, int id,
> > +		mtk_vcodec_ipi_handler handler, const char *name, void *priv)
> > +{
> > +	/*
> > +	 * The handler we receive takes a void * as its first argument. We
> > +	 * cannot change this because it needs to be passed down to the rproc
> > +	 * subsystem when SCP is used. VPU takes a const argument, which is
> > +	 * more constrained, so the conversion below is safe.
> > +	 */
> > +	ipi_handler_t handler_const = (ipi_handler_t)handler;
> > +
> > +	return vpu_ipi_register(fw->pdev, id, handler_const, name, priv);
> > +}
> > +
> > +static int mtk_vcodec_vpu_ipi_send(struct mtk_vcodec_fw *fw, int id, void *buf,
> > +		unsigned int len, unsigned int wait)
> > +{
> > +	return vpu_ipi_send(fw->pdev, id, buf, len);
> > +}
> > +
> > +static const struct mtk_vcodec_fw_ops mtk_vcodec_vpu_msg = {
> > +	.load_firmware = mtk_vcodec_vpu_load_firmware,
> > +	.get_vdec_capa = mtk_vcodec_vpu_get_vdec_capa,
> > +	.get_venc_capa = mtk_vcodec_vpu_get_venc_capa,
> > +	.map_dm_addr = mtk_vcodec_vpu_map_dm_addr,
> > +	.ipi_register = mtk_vcodec_vpu_set_ipi_register,
> > +	.ipi_send = mtk_vcodec_vpu_ipi_send,
> > +};
> > +
> > +static void mtk_vcodec_reset_handler(void *priv)
> > +{
> > +	struct mtk_vcodec_dev *dev = priv;
> > +	struct mtk_vcodec_ctx *ctx;
> > +
> > +	mtk_v4l2_err("Watchdog timeout!!");
> > +
> > +	mutex_lock(&dev->dev_mutex);
> > +	list_for_each_entry(ctx, &dev->ctx_list, list) {
> > +		ctx->state = MTK_STATE_ABORT;
> > +		mtk_v4l2_debug(0, "[%d] Change to state MTK_STATE_ABORT",
> > +				ctx->id);
> > +	}
> > +	mutex_unlock(&dev->dev_mutex);
> > +}
> > +
> > +struct mtk_vcodec_fw *mtk_vcodec_fw_select(struct mtk_vcodec_dev *dev,
> > +					   enum mtk_vcodec_fw_type type,
> > +					   enum rst_id rst_id)
> > +{
> > +	const struct mtk_vcodec_fw_ops *ops;
> > +	struct mtk_vcodec_fw *fw;
> > +	struct platform_device *fw_pdev = NULL;
> > +
> > +	switch (type) {
> > +	case VPU:
> > +		ops = &mtk_vcodec_vpu_msg;
> > +		fw_pdev = vpu_get_plat_device(dev->plat_dev);
> > +		if (!fw_pdev) {
> > +			mtk_v4l2_err("firmware device is not ready");
> > +			return ERR_PTR(-EINVAL);
> > +		}
> > +		vpu_wdt_reg_handler(fw_pdev, mtk_vcodec_reset_handler,
> > +				    dev, rst_id);
> > +		break;
> > +	default:
> > +		mtk_v4l2_err("invalid vcodec fw type");
> > +		return ERR_PTR(-EINVAL);
> > +	}
> > +
> > +	fw = devm_kzalloc(&dev->plat_dev->dev, sizeof(*fw), GFP_KERNEL);
> > +	if (!fw)
> > +		return ERR_PTR(-EINVAL);
> > +
> > +	fw->type = type;
> > +	fw->ops = ops;
> > +	fw->pdev = fw_pdev;
> > +
> > +	return fw;
> > +}
> > +EXPORT_SYMBOL_GPL(mtk_vcodec_fw_select);
> > +
> > +void mtk_vcodec_fw_release(struct mtk_vcodec_fw *fw)
> > +{
> > +	switch (fw->type) {
> > +	case VPU:
> > +		put_device(&fw->pdev->dev);
> > +		break;
> > +	}
> > +}
> > +EXPORT_SYMBOL_GPL(mtk_vcodec_fw_release);
> > +
> > +int mtk_vcodec_fw_load_firmware(struct mtk_vcodec_fw *fw)
> > +{
> > +	return fw->ops->load_firmware(fw);
> > +}
> > +EXPORT_SYMBOL_GPL(mtk_vcodec_fw_load_firmware);
> > +
> > +unsigned int mtk_vcodec_fw_get_vdec_capa(struct mtk_vcodec_fw *fw)
> > +{
> > +	return fw->ops->get_vdec_capa(fw);
> > +}
> > +EXPORT_SYMBOL_GPL(mtk_vcodec_fw_get_vdec_capa);
> > +
> > +unsigned int mtk_vcodec_fw_get_venc_capa(struct mtk_vcodec_fw *fw)
> > +{
> > +	return fw->ops->get_venc_capa(fw);
> > +}
> > +EXPORT_SYMBOL_GPL(mtk_vcodec_fw_get_venc_capa);
> > +
> > +void *mtk_vcodec_fw_map_dm_addr(struct mtk_vcodec_fw *fw, u32 mem_addr)
> > +{
> > +	return fw->ops->map_dm_addr(fw, mem_addr);
> > +}
> > +EXPORT_SYMBOL_GPL(mtk_vcodec_fw_map_dm_addr);
> > +
> > +int mtk_vcodec_fw_ipi_register(struct mtk_vcodec_fw *fw, int id,
> > +	mtk_vcodec_ipi_handler handler, const char *name, void *priv)
> > +{
> > +	return fw->ops->ipi_register(fw, id, handler, name, priv);
> > +}
> > +EXPORT_SYMBOL_GPL(mtk_vcodec_fw_ipi_register);
> > +
> > +int mtk_vcodec_fw_ipi_send(struct mtk_vcodec_fw *fw,
> > +	int id, void *buf, unsigned int len, unsigned int wait)
> > +{
> > +	return fw->ops->ipi_send(fw, id, buf, len, wait);
> > +}
> > +EXPORT_SYMBOL_GPL(mtk_vcodec_fw_ipi_send);
> > diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.h
> > new file mode 100644
> > index 000000000000..ff25b0c19f74
> > --- /dev/null
> > +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.h
> > @@ -0,0 +1,36 @@
> > +/* SPDX-License-Identifier: GPL-2.0 */
> > +
> > +#ifndef _MTK_VCODEC_FW_H_
> > +#define _MTK_VCODEC_FW_H_
> > +
> > +#include <linux/remoteproc.h>
> > +
> > +#include "../mtk-vpu/mtk_vpu.h"
> > +
> > +struct mtk_vcodec_dev;
> > +
> > +enum mtk_vcodec_fw_type {
> > +	VPU,
> > +};
> > +
> > +struct mtk_vcodec_fw;
> > +
> > +typedef void (*mtk_vcodec_ipi_handler) (void *data,
> > +	unsigned int len, void *priv);
> > +
> > +struct mtk_vcodec_fw *mtk_vcodec_fw_select(struct mtk_vcodec_dev *dev,
> > +					   enum mtk_vcodec_fw_type type,
> > +					   enum rst_id rst_id);
> > +void mtk_vcodec_fw_release(struct mtk_vcodec_fw *fw);
> > +
> > +int mtk_vcodec_fw_load_firmware(struct mtk_vcodec_fw *fw);
> > +unsigned int mtk_vcodec_fw_get_vdec_capa(struct mtk_vcodec_fw *fw);
> > +unsigned int mtk_vcodec_fw_get_venc_capa(struct mtk_vcodec_fw *fw);
> > +void *mtk_vcodec_fw_map_dm_addr(struct mtk_vcodec_fw *fw, u32 mem_addr);
> > +int mtk_vcodec_fw_ipi_register(struct mtk_vcodec_fw *fw, int id,
> > +	mtk_vcodec_ipi_handler handler, const char *name, void *priv);
> > +int mtk_vcodec_fw_ipi_send(struct mtk_vcodec_fw *fw,
> > +	int id, void *buf, unsigned int len, unsigned int wait);
> > +
> > +#endif /* _MTK_VCODEC_FW_H_ */
> > +
> > diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c
> > index d48f542db1a9..ac5973b6735f 100644
> > --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c
> > +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c
> > @@ -9,7 +9,6 @@
> >  
> >  #include "mtk_vcodec_drv.h"
> >  #include "mtk_vcodec_util.h"
> > -#include "mtk_vpu.h"
> >  
> >  /* For encoder, this will enable logs in venc/*/
> >  bool mtk_vcodec_dbg;
> > 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 50048c170b99..40d6e6c5ac7a 100644
> > --- a/drivers/media/platform/mtk-vcodec/vdec/vdec_h264_if.c
> > +++ b/drivers/media/platform/mtk-vcodec/vdec/vdec_h264_if.c
> > @@ -281,7 +281,6 @@ static int vdec_h264_init(struct mtk_vcodec_ctx *ctx)
> >  	inst->ctx = ctx;
> >  
> >  	inst->vpu.id = IPI_VDEC_H264;
> > -	inst->vpu.dev = ctx->dev->vpu_plat_dev;
> >  	inst->vpu.ctx = ctx;
> >  
> >  	err = vpu_dec_init(&inst->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 6011fdd60a22..e5393f841080 100644
> > --- a/drivers/media/platform/mtk-vcodec/vdec/vdec_vp8_if.c
> > +++ b/drivers/media/platform/mtk-vcodec/vdec/vdec_vp8_if.c
> > @@ -400,7 +400,6 @@ static int vdec_vp8_init(struct mtk_vcodec_ctx *ctx)
> >  	inst->ctx = ctx;
> >  
> >  	inst->vpu.id = IPI_VDEC_VP8;
> > -	inst->vpu.dev = ctx->dev->vpu_plat_dev;
> >  	inst->vpu.ctx = ctx;
> >  
> >  	err = vpu_dec_init(&inst->vpu);
> > 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 257a5b5ad212..8e099b859f21 100644
> > --- a/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c
> > +++ b/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c
> > @@ -795,7 +795,6 @@ static int vdec_vp9_init(struct mtk_vcodec_ctx *ctx)
> >  	inst->ctx = ctx;
> >  
> >  	inst->vpu.id = IPI_VDEC_VP9;
> > -	inst->vpu.dev = ctx->dev->vpu_plat_dev;
> >  	inst->vpu.ctx = ctx;
> >  
> >  	if (vpu_dec_init(&inst->vpu)) {
> > diff --git a/drivers/media/platform/mtk-vcodec/vdec_drv_base.h b/drivers/media/platform/mtk-vcodec/vdec_drv_base.h
> > index ceb4db4cb3be..e913f963b7db 100644
> > --- a/drivers/media/platform/mtk-vcodec/vdec_drv_base.h
> > +++ b/drivers/media/platform/mtk-vcodec/vdec_drv_base.h
> > @@ -7,8 +7,6 @@
> >  #ifndef _VDEC_DRV_BASE_
> >  #define _VDEC_DRV_BASE_
> >  
> > -#include "mtk_vcodec_drv.h"
> > -
> >  #include "vdec_drv_if.h"
> >  
> >  struct vdec_common_if {
> > diff --git a/drivers/media/platform/mtk-vcodec/vdec_drv_if.c b/drivers/media/platform/mtk-vcodec/vdec_drv_if.c
> > index 2e43dd4486e0..b18743b906ea 100644
> > --- a/drivers/media/platform/mtk-vcodec/vdec_drv_if.c
> > +++ b/drivers/media/platform/mtk-vcodec/vdec_drv_if.c
> > @@ -13,7 +13,6 @@
> >  #include "mtk_vcodec_dec.h"
> >  #include "vdec_drv_base.h"
> >  #include "mtk_vcodec_dec_pm.h"
> > -#include "mtk_vpu.h"
> >  
> >  int vdec_if_init(struct mtk_vcodec_ctx *ctx, unsigned int fourcc)
> >  {
> > diff --git a/drivers/media/platform/mtk-vcodec/vdec_vpu_if.c b/drivers/media/platform/mtk-vcodec/vdec_vpu_if.c
> > index 948a12fd9d46..58b0e6fa8fd2 100644
> > --- a/drivers/media/platform/mtk-vcodec/vdec_vpu_if.c
> > +++ b/drivers/media/platform/mtk-vcodec/vdec_vpu_if.c
> > @@ -8,6 +8,7 @@
> >  #include "mtk_vcodec_util.h"
> >  #include "vdec_ipi_msg.h"
> >  #include "vdec_vpu_if.h"
> > +#include "mtk_vcodec_fw.h"
> >  
> >  static void handle_init_ack_msg(const struct vdec_vpu_ipi_init_ack *msg)
> >  {
> > @@ -18,7 +19,8 @@ static void handle_init_ack_msg(const struct vdec_vpu_ipi_init_ack *msg)
> >  
> >  	/* mapping VPU address to kernel virtual address */
> >  	/* the content in vsi is initialized to 0 in VPU */
> > -	vpu->vsi = vpu_mapping_dm_addr(vpu->dev, msg->vpu_inst_addr);
> > +	vpu->vsi = mtk_vcodec_fw_map_dm_addr(vpu->ctx->dev->fw_handler,
> > +					     msg->vpu_inst_addr);
> >  	vpu->inst_addr = msg->vpu_inst_addr;
> >  
> >  	mtk_vcodec_debug(vpu, "- vpu_inst_addr = 0x%x", vpu->inst_addr);
> > @@ -34,7 +36,7 @@ static void handle_init_ack_msg(const struct vdec_vpu_ipi_init_ack *msg)
> >   * This function runs in interrupt context and it means there's an IPI MSG
> >   * from VPU.
> >   */
> > -static void vpu_dec_ipi_handler(const void *data, unsigned int len, void *priv)
> > +static void vpu_dec_ipi_handler(void *data, unsigned int len, void *priv)
> >  {
> >  	const struct vdec_vpu_ipi_ack *msg = data;
> >  	struct vdec_vpu_inst *vpu = (struct vdec_vpu_inst *)
> > @@ -74,7 +76,8 @@ static int vcodec_vpu_send_msg(struct vdec_vpu_inst *vpu, void *msg, int len)
> >  	vpu->failure = 0;
> >  	vpu->signaled = 0;
> >  
> > -	err = vpu_ipi_send(vpu->dev, vpu->id, msg, len);
> > +	err = mtk_vcodec_fw_ipi_send(vpu->ctx->dev->fw_handler, vpu->id, msg,
> > +				     len, 2000);
> >  	if (err) {
> >  		mtk_vcodec_err(vpu, "send fail vpu_id=%d msg_id=%X status=%d",
> >  			       vpu->id, *(uint32_t *)msg, err);
> > @@ -110,7 +113,8 @@ int vpu_dec_init(struct vdec_vpu_inst *vpu)
> >  	init_waitqueue_head(&vpu->wq);
> >  	vpu->handler = vpu_dec_ipi_handler;
> >  
> > -	err = vpu_ipi_register(vpu->dev, vpu->id, vpu->handler, "vdec", NULL);
> > +	err = mtk_vcodec_fw_ipi_register(vpu->ctx->dev->fw_handler, vpu->id,
> > +					 vpu->handler, "vdec", NULL);
> >  	if (err != 0) {
> >  		mtk_vcodec_err(vpu, "vpu_ipi_register fail status=%d", err);
> >  		return err;
> > diff --git a/drivers/media/platform/mtk-vcodec/vdec_vpu_if.h b/drivers/media/platform/mtk-vcodec/vdec_vpu_if.h
> > index f779b0676fbd..85224eb7e34b 100644
> > --- a/drivers/media/platform/mtk-vcodec/vdec_vpu_if.h
> > +++ b/drivers/media/platform/mtk-vcodec/vdec_vpu_if.h
> > @@ -7,11 +7,13 @@
> >  #ifndef _VDEC_VPU_IF_H_
> >  #define _VDEC_VPU_IF_H_
> >  
> > -#include "mtk_vpu.h"
> > +#include "mtk_vcodec_fw.h"
> > +
> > +struct mtk_vcodec_ctx;
> >  
> >  /**
> >   * struct vdec_vpu_inst - VPU instance for video codec
> > - * @ipi_id      : ipi id for each decoder
> > + * @id          : ipi msg id for each decoder
> >   * @vsi         : driver structure allocated by VPU side and shared to AP side
> >   *                for control and info share
> >   * @failure     : VPU execution result status, 0: success, others: fail
> > @@ -23,15 +25,14 @@
> >   * @handler     : ipi handler for each decoder
> >   */
> >  struct vdec_vpu_inst {
> > -	enum ipi_id id;
> > +	int id;
> >  	void *vsi;
> >  	int32_t failure;
> >  	uint32_t inst_addr;
> >  	unsigned int signaled;
> >  	struct mtk_vcodec_ctx *ctx;
> > -	struct platform_device *dev;
> >  	wait_queue_head_t wq;
> > -	ipi_handler_t handler;
> > +	mtk_vcodec_ipi_handler handler;
> >  };
> >  
> >  /**
> > 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 b9624f8df0e9..7a00f050ec36 100644
> > --- a/drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c
> > +++ b/drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c
> > @@ -18,7 +18,6 @@
> >  #include "../venc_drv_base.h"
> >  #include "../venc_ipi_msg.h"
> >  #include "../venc_vpu_if.h"
> > -#include "mtk_vpu.h"
> >  
> >  static const char h264_filler_marker[] = {0x0, 0x0, 0x0, 0x1, 0xc};
> >  
> > @@ -257,8 +256,11 @@ static int h264_enc_alloc_work_buf(struct venc_h264_inst *inst)
> >  		 */
> >  		inst->work_bufs[i].size = wb[i].size;
> >  		if (i == VENC_H264_VPU_WORK_BUF_SKIP_FRAME) {
> > -			inst->work_bufs[i].va = vpu_mapping_dm_addr(
> > -				inst->vpu_inst.dev, wb[i].vpua);
> > +			struct mtk_vcodec_fw *handler;
> > +
> > +			handler = inst->vpu_inst.ctx->dev->fw_handler;
> > +			inst->work_bufs[i].va =
> > +				mtk_vcodec_fw_map_dm_addr(handler, wb[i].vpua);
> >  			inst->work_bufs[i].dma_addr = 0;
> >  		} else {
> >  			ret = mtk_vcodec_mem_alloc(inst->ctx,
> > @@ -275,10 +277,12 @@ static int h264_enc_alloc_work_buf(struct venc_h264_inst *inst)
> >  			 * setting in VPU side.
> >  			 */
> >  			if (i == VENC_H264_VPU_WORK_BUF_RC_CODE) {
> > +				struct mtk_vcodec_fw *handler;
> >  				void *tmp_va;
> >  
> > -				tmp_va = vpu_mapping_dm_addr(inst->vpu_inst.dev,
> > -							     wb[i].vpua);
> > +				handler = inst->vpu_inst.ctx->dev->fw_handler;
> > +				tmp_va = mtk_vcodec_fw_map_dm_addr(handler,
> > +								   wb[i].vpua);
> >  				memcpy(inst->work_bufs[i].va, tmp_va,
> >  				       wb[i].size);
> >  			}
> > @@ -469,7 +473,6 @@ static int h264_enc_init(struct mtk_vcodec_ctx *ctx)
> >  
> >  	inst->ctx = ctx;
> >  	inst->vpu_inst.ctx = ctx;
> > -	inst->vpu_inst.dev = ctx->dev->vpu_plat_dev;
> >  	inst->vpu_inst.id = IPI_VENC_H264;
> >  	inst->hw_base = mtk_vcodec_get_reg_addr(inst->ctx, VENC_SYS);
> >  
> > 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 8d36f0362efe..6426af514526 100644
> > --- a/drivers/media/platform/mtk-vcodec/venc/venc_vp8_if.c
> > +++ b/drivers/media/platform/mtk-vcodec/venc/venc_vp8_if.c
> > @@ -17,7 +17,6 @@
> >  #include "../venc_drv_base.h"
> >  #include "../venc_ipi_msg.h"
> >  #include "../venc_vpu_if.h"
> > -#include "mtk_vpu.h"
> >  
> >  #define VENC_BITSTREAM_FRAME_SIZE 0x0098
> >  #define VENC_BITSTREAM_HEADER_LEN 0x00e8
> > @@ -190,10 +189,12 @@ static int vp8_enc_alloc_work_buf(struct venc_vp8_inst *inst)
> >  		if (i == VENC_VP8_VPU_WORK_BUF_RC_CODE ||
> >  		    i == VENC_VP8_VPU_WORK_BUF_RC_CODE2 ||
> >  		    i == VENC_VP8_VPU_WORK_BUF_RC_CODE3) {
> > +			struct mtk_vcodec_fw *handler;
> >  			void *tmp_va;
> >  
> > -			tmp_va = vpu_mapping_dm_addr(inst->vpu_inst.dev,
> > -						     wb[i].vpua);
> > +			handler = inst->vpu_inst.ctx->dev->fw_handler;
> > +			tmp_va = mtk_vcodec_fw_map_dm_addr(handler,
> > +							   wb[i].vpua);
> >  			memcpy(inst->work_bufs[i].va, tmp_va, wb[i].size);
> >  		}
> >  		wb[i].iova = inst->work_bufs[i].dma_addr;
> > @@ -334,7 +335,6 @@ static int vp8_enc_init(struct mtk_vcodec_ctx *ctx)
> >  
> >  	inst->ctx = ctx;
> >  	inst->vpu_inst.ctx = ctx;
> > -	inst->vpu_inst.dev = ctx->dev->vpu_plat_dev;
> >  	inst->vpu_inst.id = IPI_VENC_VP8;
> >  	inst->hw_base = mtk_vcodec_get_reg_addr(inst->ctx, VENC_LT_SYS);
> >  
> > diff --git a/drivers/media/platform/mtk-vcodec/venc_drv_if.c b/drivers/media/platform/mtk-vcodec/venc_drv_if.c
> > index c6bb82ac2dcd..ce0bce811615 100644
> > --- a/drivers/media/platform/mtk-vcodec/venc_drv_if.c
> > +++ b/drivers/media/platform/mtk-vcodec/venc_drv_if.c
> > @@ -15,7 +15,6 @@
> >  
> >  #include "mtk_vcodec_enc.h"
> >  #include "mtk_vcodec_enc_pm.h"
> > -#include "mtk_vpu.h"
> >  
> >  int venc_if_init(struct mtk_vcodec_ctx *ctx, unsigned int fourcc)
> >  {
> > diff --git a/drivers/media/platform/mtk-vcodec/venc_vpu_if.c b/drivers/media/platform/mtk-vcodec/venc_vpu_if.c
> > index 9540709c1905..53854127814b 100644
> > --- a/drivers/media/platform/mtk-vcodec/venc_vpu_if.c
> > +++ b/drivers/media/platform/mtk-vcodec/venc_vpu_if.c
> > @@ -4,7 +4,7 @@
> >   * Author: PoChun Lin <pochun.lin@xxxxxxxxxxxx>
> >   */
> >  
> > -#include "mtk_vpu.h"
> > +#include "mtk_vcodec_fw.h"
> >  #include "venc_ipi_msg.h"
> >  #include "venc_vpu_if.h"
> >  
> > @@ -13,7 +13,8 @@ static void handle_enc_init_msg(struct venc_vpu_inst *vpu, const void *data)
> >  	const struct venc_vpu_ipi_msg_init *msg = data;
> >  
> >  	vpu->inst_addr = msg->vpu_inst_addr;
> > -	vpu->vsi = vpu_mapping_dm_addr(vpu->dev, msg->vpu_inst_addr);
> > +	vpu->vsi = mtk_vcodec_fw_map_dm_addr(vpu->ctx->dev->fw_handler,
> > +					     msg->vpu_inst_addr);
> >  }
> >  
> >  static void handle_enc_encode_msg(struct venc_vpu_inst *vpu, const void *data)
> > @@ -25,7 +26,7 @@ static void handle_enc_encode_msg(struct venc_vpu_inst *vpu, const void *data)
> >  	vpu->is_key_frm = msg->is_key_frm;
> >  }
> >  
> > -static void vpu_enc_ipi_handler(const void *data, unsigned int len, void *priv)
> > +static void vpu_enc_ipi_handler(void *data, unsigned int len, void *priv)
> >  {
> >  	const struct venc_vpu_ipi_msg_common *msg = data;
> >  	struct venc_vpu_inst *vpu =
> > @@ -63,12 +64,13 @@ static int vpu_enc_send_msg(struct venc_vpu_inst *vpu, void *msg,
> >  
> >  	mtk_vcodec_debug_enter(vpu);
> >  
> > -	if (!vpu->dev) {
> > +	if (!vpu->ctx->dev->fw_handler) {
> >  		mtk_vcodec_err(vpu, "inst dev is NULL");
> >  		return -EINVAL;
> >  	}
> >  
> > -	status = vpu_ipi_send(vpu->dev, vpu->id, msg, len);
> > +	status = mtk_vcodec_fw_ipi_send(vpu->ctx->dev->fw_handler, vpu->id, msg,
> > +					len, 2000);
> >  	if (status) {
> >  		mtk_vcodec_err(vpu, "vpu_ipi_send msg_id %x len %d fail %d",
> >  			       *(uint32_t *)msg, len, status);
> > @@ -93,8 +95,9 @@ int vpu_enc_init(struct venc_vpu_inst *vpu)
> >  	vpu->signaled = 0;
> >  	vpu->failure = 0;
> >  
> > -	status = vpu_ipi_register(vpu->dev, vpu->id, vpu_enc_ipi_handler,
> > -				  NULL, NULL);
> > +	status = mtk_vcodec_fw_ipi_register(vpu->ctx->dev->fw_handler, vpu->id,
> > +		vpu_enc_ipi_handler, "venc", NULL);
> > +
> >  	if (status) {
> >  		mtk_vcodec_err(vpu, "vpu_ipi_register fail %d", status);
> >  		return -EINVAL;
> > diff --git a/drivers/media/platform/mtk-vcodec/venc_vpu_if.h b/drivers/media/platform/mtk-vcodec/venc_vpu_if.h
> > index ba301a138a5a..edd411621b68 100644
> > --- a/drivers/media/platform/mtk-vcodec/venc_vpu_if.h
> > +++ b/drivers/media/platform/mtk-vcodec/venc_vpu_if.h
> > @@ -7,7 +7,7 @@
> >  #ifndef _VENC_VPU_IF_H_
> >  #define _VENC_VPU_IF_H_
> >  
> > -#include "mtk_vpu.h"
> > +#include "mtk_vcodec_fw.h"
> >  #include "venc_drv_if.h"
> >  
> >  /*
> > @@ -34,9 +34,8 @@ struct venc_vpu_inst {
> >  	int is_key_frm;
> >  	unsigned int inst_addr;
> >  	void *vsi;
> > -	enum ipi_id id;
> > +	int id;
> >  	struct mtk_vcodec_ctx *ctx;
> > -	struct platform_device *dev;
> >  };
> >  
> >  int vpu_enc_init(struct venc_vpu_inst *vpu);
> 





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