[PATCH v5 00/16] Clean up "mediatek,larb"

Yong Wu
2021-04-10T09:12:21Z

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-bindings/dtsi patches, I guess they will go through Matthias's
tree, so I don't split them for each a MM module and each a SoC.

This patchset base on v5.12-rc2 and a vcodec patchset(separating its node)[1]
which has already been in linux-next.

[1] https://lore.kernel.org/linux-mediatek/20210325122625.15100-1-irui.wang@mediatek.com/

Change notes:
v5: 1) Base on v5.12-rc2.
2) Remove changing the mtk-iommu to module_platform_driver patch, It have
already been a independent patch.
3) Add several patches for the MM drivers with pm_runtime_resume_and_get
instead of pm_runtime_get_sync since smi already use it.

v4: https://lore.kernel.org/linux-mediatek/1590826218-23653-1-git-send-email-yong.wu@mediatek.com/
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@mediatek.com/
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@mediatek.com/
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@mediatek.com/

Yong Wu (15):
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
memory: mtk-smi: Add device-link between smi-larb and smi-common
media: mtk-jpeg: Use pm_runtime_resume_and_get for PM get_sync
media: mtk-jpeg: Get rid of mtk_smi_larb_get/put
media: mtk-mdp: Use pm_runtime_resume_and_get for PM get_sync
media: mtk-mdp: Get rid of mtk_smi_larb_get/put
drm/mediatek: Use pm_runtime_resume_and_get for PM get_sync
drm/mediatek: Get rid of mtk_smi_larb_get/put
media: mtk-vcodec: Use pm_runtime_resume_and_get for PM get_sync
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.txt | 4 --
.../bindings/media/mediatek-jpeg-encoder.txt | 4 --
.../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 | 5 --
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 | 21 +++++----
drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 35 --------------
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 | 34 ++------------
.../media/platform/mtk-jpeg/mtk_jpeg_core.h | 2 -
drivers/media/platform/mtk-mdp/mtk_mdp_comp.c | 40 ----------------
drivers/media/platform/mtk-mdp/mtk_mdp_comp.h | 2 -
drivers/media/platform/mtk-mdp/mtk_mdp_core.c | 1 -
drivers/media/platform/mtk-mdp/mtk_mdp_m2m.c | 4 +-
.../platform/mtk-vcodec/mtk_vcodec_dec_pm.c | 42 ++++-------------
.../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 ++-----------------
drivers/memory/mtk-smi.c | 33 ++++---------
include/soc/mediatek/smi.h | 20 --------
29 files changed, 99 insertions(+), 312 deletions(-)