From: Yong Wu <yong.wu@mediatek.com>
To: Matthias Brugger <matthias.bgg@gmail.com>
Cc: Hsin-Yi Wang <hsinyi@chromium.org>,
Joerg Roedel <joro@8bytes.org>,
"Rob Herring" <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzk@kernel.org>,
"Evan Green" <evgreen@chromium.org>,
Robin Murphy <robin.murphy@arm.com>,
"Tomasz Figa" <tfiga@chromium.org>,
Will Deacon <will.deacon@arm.com>,
"moderated list:ARM/Mediatek SoC support"
<linux-mediatek@lists.infradead.org>,
<srv_heupstream@mediatek.com>,
Devicetree List <devicetree@vger.kernel.org>,
lkml <linux-kernel@vger.kernel.org>,
"moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE"
<linux-arm-kernel@lists.infradead.org>,
<iommu@lists.linux-foundation.org>, <youlin.pei@mediatek.com>,
Nicolas Boichat <drinkcat@chromium.org>,
Matthias Kaehlcke <mka@chromium.org>, <anan.sun@mediatek.com>,
<chao.hao@mediatek.com>, <ming-fan.chen@mediatek.com>,
<yi.kuo@mediatek.com>, <eizan@chromium.org>,
Alexandre Courbot <acourbot@chromium.org>,
Tiffany Lin <tiffany.lin@mediatek.com>,
Irui Wang <irui.wang@mediatek.com>, <linux-media@vger.kernel.org>
Subject: Re: [PATCH v5 13/16] media: mtk-vcodec: Get rid of mtk_smi_larb_get/put
Date: Thu, 10 Jun 2021 20:02:08 +0800 [thread overview]
Message-ID: <1623326528.23717.20.camel@mhfsdcap03> (raw)
In-Reply-To: <c1422242-8d8c-9592-c22d-288c503cd8b1@gmail.com>
On Thu, 2021-06-10 at 09:53 +0200, Matthias Brugger wrote:
> Hi Yong,
>
> On 12/05/2021 14:29, Yong Wu wrote:
> > On Wed, 2021-05-12 at 17:20 +0800, Hsin-Yi Wang wrote:
> >> On Sat, Apr 10, 2021 at 5:14 PM Yong Wu <yong.wu@mediatek.com> wrote:
> >>>
> >>> MediaTek IOMMU has already added the device_link between the consumer
> >>> and smi-larb device. If the vcodec device call the pm_runtime_get_sync,
> >>> the smi-larb's pm_runtime_get_sync also be called automatically.
> >>>
> >>> CC: Tiffany Lin <tiffany.lin@mediatek.com>
> >>> CC: Irui Wang <irui.wang@mediatek.com>
> >>> Signed-off-by: Yong Wu <yong.wu@mediatek.com>
> >>> Reviewed-by: Evan Green <evgreen@chromium.org>
> >>> Acked-by: Tiffany Lin <tiffany.lin@mediatek.com>
> >>> ---
> >>> .../platform/mtk-vcodec/mtk_vcodec_dec_pm.c | 37 ++-------------
> >>> .../platform/mtk-vcodec/mtk_vcodec_drv.h | 3 --
> >>> .../platform/mtk-vcodec/mtk_vcodec_enc.c | 1 -
> >>> .../platform/mtk-vcodec/mtk_vcodec_enc_pm.c | 46 ++-----------------
> >>> 4 files changed, 10 insertions(+), 77 deletions(-)
> >
> > [...]
> >
> >>> @@ -108,13 +80,6 @@ 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 clkerr;
> >>> - }
> >>> - return;
> >>
> >> You can't delete the return; here, otherwise vcodec_clk will be turned
> >> off immediately after they are turned on.
> >
> > Thanks very much for your review.
> >
> > Sorry for this. You are quite right.
> >
> > I checked this, it was introduced in v4 when I rebase the code. I will
> > fix it in next time.
> >
>
> Please also make sure that you add all maintainers. I realized that at least for
> the media/platform drivers we miss the maintainer and the corresponding mailing
> list.
> This is especially important in this series, as it spans several subsystems.
Thanks for hint. I only added the file maintainer here. I will add
linux-media in next version.
By the way, this patchset cross several trees, then which tree should it
go through. Do you have some suggestion?
>
> Thanks a lot,
> Matthias
>
> >>
> >>> -
> >>> clkerr:
> >>> for (i -= 1; i >= 0; i--)
> >>> clk_disable_unprepare(enc_clk->clk_info[i].vcodec_clk);
> >>> @@ -125,7 +90,6 @@ void mtk_vcodec_enc_clock_off(struct mtk_vcodec_pm *pm)
> >>> struct mtk_vcodec_clk *enc_clk = &pm->venc_clk;
> >>> int i = 0;
> >>>
> >>> - mtk_smi_larb_put(pm->larbvenc);
> >>> for (i = enc_clk->clk_num - 1; i >= 0; i--)
> >>> clk_disable_unprepare(enc_clk->clk_info[i].vcodec_clk);
> >>> }
> >>> --
> >>> 2.18.0
> >>>
> >
next prev parent reply other threads:[~2021-06-10 12:02 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-10 9:11 [PATCH v5 00/16] Clean up "mediatek,larb" Yong Wu
2021-04-10 9:11 ` [PATCH v5 01/16] dt-binding: mediatek: Get rid of mediatek,larb for multimedia HW Yong Wu
2021-04-10 9:11 ` [PATCH v5 02/16] iommu/mediatek: Add probe_defer for smi-larb Yong Wu
2021-04-10 9:11 ` [PATCH v5 03/16] iommu/mediatek: Add device_link between the consumer and the larb devices Yong Wu
2021-04-10 9:11 ` [PATCH v5 04/16] memory: mtk-smi: Add device-link between smi-larb and smi-common Yong Wu
2021-04-10 12:40 ` Krzysztof Kozlowski
2021-04-13 6:04 ` Yong Wu
2021-04-13 14:58 ` Krzysztof Kozlowski
2021-04-10 9:11 ` [PATCH v5 05/16] media: mtk-jpeg: Use pm_runtime_resume_and_get for PM get_sync Yong Wu
2021-06-09 13:38 ` Matthias Brugger
2021-04-10 9:11 ` [PATCH v5 06/16] media: mtk-jpeg: Get rid of mtk_smi_larb_get/put Yong Wu
2021-04-10 9:11 ` [PATCH v5 07/16] media: mtk-mdp: Use pm_runtime_resume_and_get for PM get_sync Yong Wu
2021-04-10 9:11 ` [PATCH v5 08/16] media: mtk-mdp: Get rid of mtk_smi_larb_get/put Yong Wu
2021-06-08 9:35 ` houlong wei
2021-04-10 9:11 ` [PATCH v5 09/16] drm/mediatek: Use pm_runtime_resume_and_get for PM get_sync Yong Wu
2021-06-09 13:52 ` Matthias Brugger
2021-04-10 9:11 ` [PATCH v5 10/16] drm/mediatek: Add pm runtime support for ovl and rdma Yong Wu
2021-04-10 9:11 ` [PATCH v5 11/16] drm/mediatek: Get rid of mtk_smi_larb_get/put Yong Wu
2021-05-26 5:41 ` Dafna Hirschfeld
2021-06-10 12:00 ` Yong Wu
2021-04-10 9:11 ` [PATCH v5 12/16] media: mtk-vcodec: Use pm_runtime_resume_and_get for PM get_sync Yong Wu
2021-04-10 9:11 ` [PATCH v5 13/16] media: mtk-vcodec: Get rid of mtk_smi_larb_get/put Yong Wu
2021-05-12 9:20 ` Hsin-Yi Wang
2021-05-12 12:29 ` Yong Wu
2021-06-10 7:53 ` Matthias Brugger
2021-06-10 12:02 ` Yong Wu [this message]
2021-06-11 10:07 ` Matthias Brugger
2021-06-11 10:46 ` Joerg Roedel
2021-04-10 9:11 ` [PATCH v5 14/16] memory: mtk-smi: " Yong Wu
2021-04-13 14:04 ` Krzysztof Kozlowski
2021-06-09 14:42 ` Matthias Brugger
2021-04-10 9:11 ` [PATCH v5 15/16] arm: dts: mediatek: Get rid of mediatek,larb for MM nodes Yong Wu
2021-04-10 9:11 ` [PATCH v5 16/16] arm64: " Yong Wu
2021-04-13 14:58 ` (subset) [PATCH v5 00/16] Clean up "mediatek,larb" Krzysztof Kozlowski
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