Re: [PATCH v6 00/11] Clean up "mediatek,larb"

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On Wed, 2021-07-14 at 10:56 +0200, Dafna Hirschfeld wrote:
> Hi
> 
> Thanks for the patchset.
> 
> I tested it on mt8173 (elm) with chromeos userspace.
> Before that patchset, the test:
> 
> tast -verbose run -build=false 10.42.0.175 video.DecodeAccel.h264
> 
> sometimes passed and sometimes failed with 'context deadline exceeded'.
> With this patchset it seems that the test always passes so I added tested-by:
> 
> Tested-by: Dafna Hirschfeld <dafna.hirschfeld@xxxxxxxxxxxxx>

Thanks very much for your quick review and testing:)

> 
> Thanks,
> Dafna
> 
> 
> 
> 
> On 14.07.21 04:56, Yong Wu wrote:
> > MediaTek IOMMU block diagram always like below:
> > 
> >          M4U
> >           |
> >      smi-common
> >           |
> >    -------------
> >    |         |  ...
> >    |         |
> > larb1     larb2
> >    |         |
> > vdec       venc
> > 
> > All the consumer connect with smi-larb, then connect with smi-common.
> > 
> > When the consumer works, it should enable the smi-larb's power which also
> > need enable the smi-common's power firstly.
> > 
> > Thus, Firstly, use the device link connect the consumer and the
> > smi-larbs. then add device link between the smi-larb and smi-common.
> > 
> > After adding the device_link, then "mediatek,larb" property can be removed.
> > the iommu consumer don't need call the mtk_smi_larb_get/put to enable
> > the power and clock of smi-larb and smi-common.
> > 
> > About the MM dt-binding/dtsi patches, I guess they should go together, thus
> > I don't split them for each a MM module and each a SoC.
> > 
> > Base on v5.14-rc1, and a jpeg[1] and mdp[2] patchset.
> > 
> > [1] https://lore.kernel.org/linux-mediatek/20210702102304.3346429-1-hsinyi@xxxxxxxxxxxx/
> > [2] https://lore.kernel.org/linux-mediatek/20210709022324.1607884-1-eizan@xxxxxxxxxxxx/
> > 
> > Change notes:
> > v6: 1) rebase on v5.14-rc1.
> >      2) Fix the issue commented in v5 from Dafna and Hsin-Yi.
> >      3) Remove the patches about using pm_runtime_resume_and_get since they have
> >         already been merged by other patches.
> > 
> > v5: https://lore.kernel.org/linux-mediatek/20210410091128.31823-1-yong.wu@xxxxxxxxxxxx/
> >      1) Base v5.12-rc2.
> >      2) Remove changing the mtk-iommu to module_platform_driver patch, It have already been a
> >      independent patch.
> > 
> > v4: https://lore.kernel.org/linux-mediatek/1590826218-23653-1-git-send-email-yong.wu@xxxxxxxxxxxx/
> >      base on v5.7-rc1.
> >    1) Move drm PM patch before smi patchs.
> >    2) Change builtin_platform_driver to module_platform_driver since we may need
> >       build as module.
> >    3) Rebase many patchset as above.
> > 
> > v3: https://lore.kernel.org/linux-iommu/1567503456-24725-1-git-send-email-yong.wu@xxxxxxxxxxxx/
> >      1) rebase on v5.3-rc1 and the latest mt8183 patchset.
> >      2) Use device_is_bound to check whether the driver is ready from Matthias.
> >      3) Add DL_FLAG_STATELESS flag when calling device_link_add and explain the
> >     reason in the commit message[3/14].
> >      4) Add a display patch[12/14] into this series. otherwise it may affect
> >     display HW fastlogo even though it don't happen in mt8183.
> >     
> > v2: https://lore.kernel.org/linux-iommu/1560171313-28299-1-git-send-email-yong.wu@xxxxxxxxxxxx/
> >     1) rebase on v5.2-rc1.
> >     2) Move adding device_link between the consumer and smi-larb into
> > iommu_add_device from Robin.
> >     3) add DL_FLAG_AUTOREMOVE_CONSUMER even though the smi is built-in from Evan.
> >     4) Remove the shutdown callback in iommu.
> > 
> > v1: https://lore.kernel.org/linux-iommu/1546318276-18993-1-git-send-email-yong.wu@xxxxxxxxxxxx/
> > 
> > Yong Wu (10):
> >    dt-binding: mediatek: Get rid of mediatek,larb for multimedia HW
> >    iommu/mediatek: Add probe_defer for smi-larb
> >    iommu/mediatek: Add device_link between the consumer and the larb
> >      devices
> >    media: mtk-jpeg: Get rid of mtk_smi_larb_get/put
> >    media: mtk-mdp: Get rid of mtk_smi_larb_get/put
> >    drm/mediatek: Get rid of mtk_smi_larb_get/put
> >    media: mtk-vcodec: Get rid of mtk_smi_larb_get/put
> >    memory: mtk-smi: Get rid of mtk_smi_larb_get/put
> >    arm: dts: mediatek: Get rid of mediatek,larb for MM nodes
> >    arm64: dts: mediatek: Get rid of mediatek,larb for MM nodes
> > 
> > Yongqiang Niu (1):
> >    drm/mediatek: Add pm runtime support for ovl and rdma
> > 
> >   .../display/mediatek/mediatek,disp.txt        |  9 ----
> >   .../bindings/media/mediatek-jpeg-decoder.yaml |  9 ----
> >   .../bindings/media/mediatek-jpeg-encoder.yaml |  9 ----
> >   .../bindings/media/mediatek-mdp.txt           |  8 ----
> >   .../bindings/media/mediatek-vcodec.txt        |  4 --
> >   arch/arm/boot/dts/mt2701.dtsi                 |  2 -
> >   arch/arm/boot/dts/mt7623n.dtsi                |  5 --
> >   arch/arm64/boot/dts/mediatek/mt8173.dtsi      | 16 -------
> >   arch/arm64/boot/dts/mediatek/mt8183.dtsi      |  6 ---
> >   drivers/gpu/drm/mediatek/mtk_disp_ovl.c       |  9 +++-
> >   drivers/gpu/drm/mediatek/mtk_disp_rdma.c      |  9 +++-
> >   drivers/gpu/drm/mediatek/mtk_drm_crtc.c       | 19 ++++----
> >   drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c   | 36 +--------------
> >   drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h   |  1 -
> >   drivers/gpu/drm/mediatek/mtk_drm_drv.c        |  5 +-
> >   drivers/iommu/mtk_iommu.c                     | 24 +++++++++-
> >   drivers/iommu/mtk_iommu_v1.c                  | 22 ++++++++-
> >   .../media/platform/mtk-jpeg/mtk_jpeg_core.c   | 45 +-----------------
> >   .../media/platform/mtk-jpeg/mtk_jpeg_core.h   |  2 -
> >   drivers/media/platform/mtk-mdp/mtk_mdp_comp.c | 46 +------------------
> >   drivers/media/platform/mtk-mdp/mtk_mdp_comp.h |  2 -
> >   drivers/media/platform/mtk-mdp/mtk_mdp_core.c |  1 -
> >   .../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   | 44 ++----------------
> >   drivers/memory/mtk-smi.c                      | 14 ------
> >   include/soc/mediatek/smi.h                    | 20 --------
> >   28 files changed, 85 insertions(+), 323 deletions(-)
> > 





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