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Message-ID: <725aba6313f045f2d91a851e5563e35d3f8b754f.camel@mediatek.com>
Date: Tue, 9 Nov 2021 18:21:08 +0800
From: "yunfei.dong@...iatek.com" <yunfei.dong@...iatek.com>
To: Dafna Hirschfeld <dafna.hirschfeld@...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>,
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>,
Tzung-Bi Shih <tzungbi@...gle.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com>
Subject: Re: [PATCH v8, 03/17] media: mtk-vcodec: Refactor vcodec pm
interface
Hi dafna,
Thanks for your suggestion.
On Fri, 2021-10-29 at 13:35 +0200, Dafna Hirschfeld wrote:
>
> On 29.10.21 05:55, Yunfei Dong wrote:
> > Using the needed param for pm init/release function and remove
> > unused
> > param mtkdev in 'struct mtk_vcodec_pm'.
> >
> > Reviewed-by: Tzung-Bi Shih <tzungbi@...gle.com>
> > Reviewed-By: AngeloGioacchino Del Regno <
> > angelogioacchino.delregno@...labora.com>
> > Signed-off-by: Yunfei Dong <yunfei.dong@...iatek.com>
>
> Hi,
> I already commented on v7 that since the pm implementation for dec
> and enc is identical,
> you should better do the same refactor to enc and dec or better
> remove the code duplication.
>
Add patch 18 and 19 in v9 to remove decoder and encoder pm interfaces.
> Thanks,
> Dafna
>
Thanks,
Yunfei Dong
> > ---
> > .../platform/mtk-vcodec/mtk_vcodec_dec_drv.c | 6 ++---
> > .../platform/mtk-vcodec/mtk_vcodec_dec_pm.c | 22 ++++++++----
> > -------
> > .../platform/mtk-vcodec/mtk_vcodec_dec_pm.h | 5 +++--
> > .../platform/mtk-vcodec/mtk_vcodec_drv.h | 1 -
> > .../platform/mtk-vcodec/mtk_vcodec_enc_pm.c | 1 -
> > 5 files changed, 15 insertions(+), 20 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 055d50e52720..3ac4c3935e4e 100644
> > --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c
> > +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c
> > @@ -249,7 +249,7 @@ static int mtk_vcodec_probe(struct
> > platform_device *pdev)
> > if (IS_ERR(dev->fw_handler))
> > return PTR_ERR(dev->fw_handler);
> >
> > - ret = mtk_vcodec_init_dec_pm(dev);
> > + ret = mtk_vcodec_init_dec_pm(dev->plat_dev, &dev->pm);
> > if (ret < 0) {
> > dev_err(&pdev->dev, "Failed to get mt vcodec clock
> > source");
> > goto err_dec_pm;
> > @@ -378,7 +378,7 @@ static int mtk_vcodec_probe(struct
> > platform_device *pdev)
> > err_dec_alloc:
> > v4l2_device_unregister(&dev->v4l2_dev);
> > err_res:
> > - mtk_vcodec_release_dec_pm(dev);
> > + mtk_vcodec_release_dec_pm(&dev->pm);
> > err_dec_pm:
> > mtk_vcodec_fw_release(dev->fw_handler);
> > return ret;
> > @@ -418,7 +418,7 @@ static int mtk_vcodec_dec_remove(struct
> > platform_device *pdev)
> > video_unregister_device(dev->vfd_dec);
> >
> > v4l2_device_unregister(&dev->v4l2_dev);
> > - mtk_vcodec_release_dec_pm(dev);
> > + mtk_vcodec_release_dec_pm(&dev->pm);
> > 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 6038db96f71c..20bd157a855c 100644
> > --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c
> > +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c
> > @@ -13,18 +13,15 @@
> > #include "mtk_vcodec_dec_pm.h"
> > #include "mtk_vcodec_util.h"
> >
> > -int mtk_vcodec_init_dec_pm(struct mtk_vcodec_dev *mtkdev)
> > +int mtk_vcodec_init_dec_pm(struct platform_device *pdev,
> > + struct mtk_vcodec_pm *pm)
> > {
> > struct device_node *node;
> > - struct platform_device *pdev;
> > - struct mtk_vcodec_pm *pm;
> > + struct platform_device *larb_pdev;
> > struct mtk_vcodec_clk *dec_clk;
> > struct mtk_vcodec_clk_info *clk_info;
> > int i = 0, ret = 0;
> >
> > - pdev = mtkdev->plat_dev;
> > - pm = &mtkdev->pm;
> > - pm->mtkdev = mtkdev;
> > dec_clk = &pm->vdec_clk;
> > node = of_parse_phandle(pdev->dev.of_node, "mediatek,larb", 0);
> > if (!node) {
> > @@ -32,13 +29,12 @@ int mtk_vcodec_init_dec_pm(struct
> > mtk_vcodec_dev *mtkdev)
> > return -1;
> > }
> >
> > - pdev = of_find_device_by_node(node);
> > + larb_pdev = of_find_device_by_node(node);
> > of_node_put(node);
> > - if (WARN_ON(!pdev)) {
> > + if (WARN_ON(!larb_pdev)) {
> > return -1;
> > }
> > - pm->larbvdec = &pdev->dev;
> > - pdev = mtkdev->plat_dev;
> > + pm->larbvdec = &larb_pdev->dev;
> > pm->dev = &pdev->dev;
> >
> > dec_clk->clk_num =
> > @@ -82,10 +78,10 @@ int mtk_vcodec_init_dec_pm(struct
> > mtk_vcodec_dev *mtkdev)
> > return ret;
> > }
> >
> > -void mtk_vcodec_release_dec_pm(struct mtk_vcodec_dev *dev)
> > +void mtk_vcodec_release_dec_pm(struct mtk_vcodec_pm *pm)
> > {
> > - pm_runtime_disable(dev->pm.dev);
> > - put_device(dev->pm.larbvdec);
> > + pm_runtime_disable(pm->dev);
> > + put_device(pm->larbvdec);
> > }
> >
> > int mtk_vcodec_dec_pw_on(struct mtk_vcodec_pm *pm)
> > diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.h
> > b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.h
> > index 280aeaefdb65..a3df6aef6cb9 100644
> > --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.h
> > +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.h
> > @@ -9,8 +9,9 @@
> >
> > #include "mtk_vcodec_drv.h"
> >
> > -int mtk_vcodec_init_dec_pm(struct mtk_vcodec_dev *dev);
> > -void mtk_vcodec_release_dec_pm(struct mtk_vcodec_dev *dev);
> > +int mtk_vcodec_init_dec_pm(struct platform_device *pdev,
> > + struct mtk_vcodec_pm *pm);
> > +void mtk_vcodec_release_dec_pm(struct mtk_vcodec_pm *pm);
> >
> > int mtk_vcodec_dec_pw_on(struct mtk_vcodec_pm *pm);
> > void mtk_vcodec_dec_pw_off(struct mtk_vcodec_pm *pm);
> > diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
> > b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
> > index 1d2370608d0d..0fa9d85114b9 100644
> > --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
> > +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
> > @@ -195,7 +195,6 @@ struct mtk_vcodec_pm {
> > struct mtk_vcodec_clk venc_clk;
> > struct device *larbvenc;
> > struct device *dev;
> > - struct mtk_vcodec_dev *mtkdev;
> > };
> >
> > /**
> > 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 1b2e4930ed27..0c8c8f86788c 100644
> > --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c
> > +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c
> > @@ -26,7 +26,6 @@ int mtk_vcodec_init_enc_pm(struct mtk_vcodec_dev
> > *mtkdev)
> > pdev = mtkdev->plat_dev;
> > pm = &mtkdev->pm;
> > memset(pm, 0, sizeof(struct mtk_vcodec_pm));
> > - pm->mtkdev = mtkdev;
> > pm->dev = &pdev->dev;
> > dev = &pdev->dev;
> > enc_clk = &pm->venc_clk;
> >
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