[PATCH v15 3/3] media: platform: mtk-mdp3: add Mediatek MDP3 driver

moudy.ho moudy.ho at mediatek.com
Wed May 18 20:07:19 PDT 2022 

On Tue, 2022-05-17 at 19:24 +0800, Rex-BC Chen wrote:
> On Thu, 2022-05-12 at 17:23 +0800, Moudy Ho wrote:
> > This patch adds driver for Mediatek's Media Data Path ver.3 (MDP3).
> > It provides the following functions:
> >   color transform, format conversion, resize, crop, rotate, flip
> >   and additional image quality enhancement.
> > 
> > The MDP3 driver is mainly used for Google Chromebook products to
> > import the new architecture to set the HW settings as shown below:
> >   User -> V4L2 framework
> >     -> MDP3 driver -> SCP (setting calculations)
> >       -> MDP3 driver -> CMDQ (GCE driver) -> HW
> > 
> > Each modules' related operation control is sited in mtk-mdp3-comp.c
> > Each modules' register table is defined in file with "mdp_reg_"
> > prefix
> > GCE related API, operation control  sited in mtk-mdp3-cmdq.c
> > V4L2 m2m device functions are implemented in mtk-mdp3-m2m.c
> > Probe, power, suspend/resume, system level functions are defined in
> > mtk-mdp3-core.c
> > 
> > v4l2-compliance 1.22.1, 32 bits, 32-bit time_t
> > 
> > Compliance test for mtk-mdp3 device /dev/video2:
> > 
> > Driver Info:
> > 	Driver name      : mtk-mdp3
> > 	Card type        : 14001000.mdp3-rdma0
> > 	Bus info         : platform:mtk-mdp3
> > 	Driver version   : 5.18.0
> > 	Capabilities     : 0x84204000
> > 		Video Memory-to-Memory Multiplanar
> > 		Streaming
> > 		Extended Pix Format
> > 		Device Capabilities
> > 	Device Caps      : 0x04204000
> > 		Video Memory-to-Memory Multiplanar
> > 		Streaming
> > 		Extended Pix Format
> > 
> > Required ioctls:
> > 	test VIDIOC_QUERYCAP: OK
> > 	test invalid ioctls: OK
> > 
> > Allow for multiple opens:
> > 	test second /dev/video2 open: OK
> > 	test VIDIOC_QUERYCAP: OK
> > 	test VIDIOC_G/S_PRIORITY: OK
> > 	test for unlimited opens: OK
> > 
> > Debug ioctls:
> > 	test VIDIOC_DBG_G/S_REGISTER: OK (Not Supported)
> > 	test VIDIOC_LOG_STATUS: OK (Not Supported)
> > 
> > Input ioctls:
> > 	test VIDIOC_G/S_TUNER/ENUM_FREQ_BANDS: OK (Not Supported)
> > 	test VIDIOC_G/S_FREQUENCY: OK (Not Supported)
> > 	test VIDIOC_S_HW_FREQ_SEEK: OK (Not Supported)
> > 	test VIDIOC_ENUMAUDIO: OK (Not Supported)
> > 	test VIDIOC_G/S/ENUMINPUT: OK (Not Supported)
> > 	test VIDIOC_G/S_AUDIO: OK (Not Supported)
> > 	Inputs: 0 Audio Inputs: 0 Tuners: 0
> > 
> > Output ioctls:
> > 	test VIDIOC_G/S_MODULATOR: OK (Not Supported)
> > 	test VIDIOC_G/S_FREQUENCY: OK (Not Supported)
> > 	test VIDIOC_ENUMAUDOUT: OK (Not Supported)
> > 	test VIDIOC_G/S/ENUMOUTPUT: OK (Not Supported)
> > 	test VIDIOC_G/S_AUDOUT: OK (Not Supported)
> > 	Outputs: 0 Audio Outputs: 0 Modulators: 0
> > 
> > Input/Output configuration ioctls:
> > 	test VIDIOC_ENUM/G/S/QUERY_STD: OK (Not Supported)
> > 	test VIDIOC_ENUM/G/S/QUERY_DV_TIMINGS: OK (Not Supported)
> > 	test VIDIOC_DV_TIMINGS_CAP: OK (Not Supported)
> > 	test VIDIOC_G/S_EDID: OK (Not Supported)
> > 
> > Control ioctls:
> > 	test VIDIOC_QUERY_EXT_CTRL/QUERYMENU: OK
> > 	test VIDIOC_QUERYCTRL: OK
> > 	test VIDIOC_G/S_CTRL: OK
> > 	test VIDIOC_G/S/TRY_EXT_CTRLS: OK
> > 	test VIDIOC_(UN)SUBSCRIBE_EVENT/DQEVENT: OK
> > 	test VIDIOC_G/S_JPEGCOMP: OK (Not Supported)
> > 	Standard Controls: 4 Private Controls: 0
> > 
> > Format ioctls:
> > 	test VIDIOC_ENUM_FMT/FRAMESIZES/FRAMEINTERVALS: OK
> > 	test VIDIOC_G/S_PARM: OK (Not Supported)
> > 	test VIDIOC_G_FBUF: OK (Not Supported)
> > 	test VIDIOC_G_FMT: OK
> > 	test VIDIOC_TRY_FMT: OK
> > 	test VIDIOC_S_FMT: OK
> > 	test VIDIOC_G_SLICED_VBI_CAP: OK (Not Supported)
> > 	test Cropping: OK
> > 	test Composing: OK
> > 	test Scaling: OK
> > 
> > Codec ioctls:
> > 	test VIDIOC_(TRY_)ENCODER_CMD: OK (Not Supported)
> > 	test VIDIOC_G_ENC_INDEX: OK (Not Supported)
> > 	test VIDIOC_(TRY_)DECODER_CMD: OK (Not Supported)
> > 
> > Buffer ioctls:
> > 	test VIDIOC_REQBUFS/CREATE_BUFS/QUERYBUF: OK
> > 	test VIDIOC_EXPBUF: OK
> > 	test Requests: OK (Not Supported)
> > 	test TIME32/64: OK
> > 
> > Test input 0:
> > 
> > Streaming ioctls:
> > 	test read/write: OK (Not Supported)
> > 	test blocking wait: OK
> > 
> > 	Video Output Multiplanar: Frame #002
> > 	Video Output Multiplanar: Frame #003
> > 	Video Output Multiplanar: Frame #004
> > 	Video Output Multiplanar: Frame #005
> > 	Video Output Multiplanar: Frame #006
> > 	Video Output Multiplanar: Frame #007
> > 	Video Output Multiplanar: Frame #008
> > 	Video Output Multiplanar: Frame #009
> > 	Video Output Multiplanar: Frame #010
> > 	Video Output Multiplanar: Frame #011
> > 	Video Output Multiplanar: Frame #012
> > 	Video Output Multiplanar: Frame #013
> > 	Video Output Multiplanar: Frame #014
> > 	Video Output Multiplanar: Frame #015
> > 	Video Output Multiplanar: Frame #016
> > 	Video Output Multiplanar: Frame #017
> > 	Video Output Multiplanar: Frame #018
> > 	Video Output Multiplanar: Frame #019
> > 	Video Output Multiplanar: Frame #020
> > 	Video Output Multiplanar: Frame #021
> > 	Video Output Multiplanar: Frame #022
> > 	Video Output Multiplanar: Frame #023
> > 	Video Output Multiplanar: Frame #024
> > 	Video Output Multiplanar: Frame #025
> > 	Video Output Multiplanar: Frame #026
> > 	Video Output Multiplanar: Frame #027
> > 	Video Output Multiplanar: Frame #028
> > 	Video Output Multiplanar: Frame #029
> > 	Video Output Multiplanar: Frame #030
> > 	Video Output Multiplanar: Frame #031
> > 	Video Output Multiplanar: Frame #032
> > 	Video Output Multiplanar: Frame #033
> > 	Video Output Multiplanar: Frame #034
> > 	Video Output Multiplanar: Frame #035
> > 	Video Output Multiplanar: Frame #036
> > 	Video Output Multiplanar: Frame #037
> > 	Video Output Multiplanar: Frame #038
> > 	Video Output Multiplanar: Frame #039
> > 	Video Output Multiplanar: Frame #040
> > 	Video Output Multiplanar: Frame #041
> > 	Video Output Multiplanar: Frame #042
> > 	Video Output Multiplanar: Frame #043
> > 	Video Output Multiplanar: Frame #044
> > 	Video Output Multiplanar: Frame #045
> > 	Video Output Multiplanar: Frame #046
> > 	Video Output Multiplanar: Frame #047
> > 	Video Output Multiplanar: Frame #048
> > 	Video Output Multiplanar: Frame #049
> > 	Video Output Multiplanar: Frame #050
> > 	Video Output Multiplanar: Frame #051
> > 	Video Output Multiplanar: Frame #052
> > 	Video Output Multiplanar: Frame #053
> > 	Video Output Multiplanar: Frame #054
> > 	Video Output Multiplanar: Frame #055
> > 	Video Output Multiplanar: Frame #056
> > 	Video Output Multiplanar: Frame #057
> > 	Video Output Multiplanar: Frame #058
> > 	Video Output Multiplanar: Frame #059
> > 
> > 	Video Capture Multiplanar: Captured 58 buffers
> > 	test MMAP (no poll): OK
> > 
> > 	Video Output Multiplanar: Frame #002 (select)
> > 	Video Output Multiplanar: Frame #003 (select)
> > 	Video Output Multiplanar: Frame #004 (select)
> > 	Video Output Multiplanar: Frame #005 (select)
> > 	Video Output Multiplanar: Frame #006 (select)
> > 	Video Output Multiplanar: Frame #007 (select)
> > 	Video Output Multiplanar: Frame #008 (select)
> > 	Video Output Multiplanar: Frame #009 (select)
> > 	Video Output Multiplanar: Frame #010 (select)
> > 	Video Output Multiplanar: Frame #011 (select)
> > 	Video Output Multiplanar: Frame #012 (select)
> > 	Video Output Multiplanar: Frame #013 (select)
> > 	Video Output Multiplanar: Frame #014 (select)
> > 	Video Output Multiplanar: Frame #015 (select)
> > 	Video Output Multiplanar: Frame #016 (select)
> > 	Video Output Multiplanar: Frame #017 (select)
> > 	Video Output Multiplanar: Frame #018 (select)
> > 	Video Output Multiplanar: Frame #019 (select)
> > 	Video Output Multiplanar: Frame #020 (select)
> > 	Video Output Multiplanar: Frame #021 (select)
> > 	Video Output Multiplanar: Frame #022 (select)
> > 	Video Output Multiplanar: Frame #023 (select)
> > 	Video Output Multiplanar: Frame #024 (select)
> > 	Video Output Multiplanar: Frame #025 (select)
> > 	Video Output Multiplanar: Frame #026 (select)
> > 	Video Output Multiplanar: Frame #027 (select)
> > 	Video Output Multiplanar: Frame #028 (select)
> > 	Video Output Multiplanar: Frame #029 (select)
> > 	Video Output Multiplanar: Frame #030 (select)
> > 	Video Output Multiplanar: Frame #031 (select)
> > 	Video Output Multiplanar: Frame #032 (select)
> > 	Video Output Multiplanar: Frame #033 (select)
> > 	Video Output Multiplanar: Frame #034 (select)
> > 	Video Output Multiplanar: Frame #035 (select)
> > 	Video Output Multiplanar: Frame #036 (select)
> > 	Video Output Multiplanar: Frame #037 (select)
> > 	Video Output Multiplanar: Frame #038 (select)
> > 	Video Output Multiplanar: Frame #039 (select)
> > 	Video Output Multiplanar: Frame #040 (select)
> > 	Video Output Multiplanar: Frame #041 (select)
> > 	Video Output Multiplanar: Frame #042 (select)
> > 	Video Output Multiplanar: Frame #043 (select)
> > 	Video Output Multiplanar: Frame #044 (select)
> > 	Video Output Multiplanar: Frame #045 (select)
> > 	Video Output Multiplanar: Frame #046 (select)
> > 	Video Output Multiplanar: Frame #047 (select)
> > 	Video Output Multiplanar: Frame #048 (select)
> > 	Video Output Multiplanar: Frame #049 (select)
> > 	Video Output Multiplanar: Frame #050 (select)
> > 	Video Output Multiplanar: Frame #051 (select)
> > 	Video Output Multiplanar: Frame #052 (select)
> > 	Video Output Multiplanar: Frame #053 (select)
> > 	Video Output Multiplanar: Frame #054 (select)
> > 	Video Output Multiplanar: Frame #055 (select)
> > 	Video Output Multiplanar: Frame #056 (select)
> > 	Video Output Multiplanar: Frame #057 (select)
> > 	Video Output Multiplanar: Frame #058 (select)
> > 	Video Output Multiplanar: Frame #059 (select)
> > 
> > 	Video Capture Multiplanar: Captured 58 buffers
> > 	test MMAP (select): OK
> > 
> > 	Video Output Multiplanar: Frame #002 (epoll)
> > 	Video Output Multiplanar: Frame #003 (epoll)
> > 	Video Output Multiplanar: Frame #004 (epoll)
> > 	Video Output Multiplanar: Frame #005 (epoll)
> > 	Video Output Multiplanar: Frame #006 (epoll)
> > 	Video Output Multiplanar: Frame #007 (epoll)
> > 	Video Output Multiplanar: Frame #008 (epoll)
> > 	Video Output Multiplanar: Frame #009 (epoll)
> > 	Video Output Multiplanar: Frame #010 (epoll)
> > 	Video Output Multiplanar: Frame #011 (epoll)
> > 	Video Output Multiplanar: Frame #012 (epoll)
> > 	Video Output Multiplanar: Frame #013 (epoll)
> > 	Video Output Multiplanar: Frame #014 (epoll)
> > 	Video Output Multiplanar: Frame #015 (epoll)
> > 	Video Output Multiplanar: Frame #016 (epoll)
> > 	Video Output Multiplanar: Frame #017 (epoll)
> > 	Video Output Multiplanar: Frame #018 (epoll)
> > 	Video Output Multiplanar: Frame #019 (epoll)
> > 	Video Output Multiplanar: Frame #020 (epoll)
> > 	Video Output Multiplanar: Frame #021 (epoll)
> > 	Video Output Multiplanar: Frame #022 (epoll)
> > 	Video Output Multiplanar: Frame #023 (epoll)
> > 	Video Output Multiplanar: Frame #024 (epoll)
> > 	Video Output Multiplanar: Frame #025 (epoll)
> > 	Video Output Multiplanar: Frame #026 (epoll)
> > 	Video Output Multiplanar: Frame #027 (epoll)
> > 	Video Output Multiplanar: Frame #028 (epoll)
> > 	Video Output Multiplanar: Frame #029 (epoll)
> > 	Video Output Multiplanar: Frame #030 (epoll)
> > 	Video Output Multiplanar: Frame #031 (epoll)
> > 	Video Output Multiplanar: Frame #032 (epoll)
> > 	Video Output Multiplanar: Frame #033 (epoll)
> > 	Video Output Multiplanar: Frame #034 (epoll)
> > 	Video Output Multiplanar: Frame #035 (epoll)
> > 	Video Output Multiplanar: Frame #036 (epoll)
> > 	Video Output Multiplanar: Frame #037 (epoll)
> > 	Video Output Multiplanar: Frame #038 (epoll)
> > 	Video Output Multiplanar: Frame #039 (epoll)
> > 	Video Output Multiplanar: Frame #040 (epoll)
> > 	Video Output Multiplanar: Frame #041 (epoll)
> > 	Video Output Multiplanar: Frame #042 (epoll)
> > 	Video Output Multiplanar: Frame #043 (epoll)
> > 	Video Output Multiplanar: Frame #044 (epoll)
> > 	Video Output Multiplanar: Frame #045 (epoll)
> > 	Video Output Multiplanar: Frame #046 (epoll)
> > 	Video Output Multiplanar: Frame #047 (epoll)
> > 	Video Output Multiplanar: Frame #048 (epoll)
> > 	Video Output Multiplanar: Frame #049 (epoll)
> > 	Video Output Multiplanar: Frame #050 (epoll)
> > 	Video Output Multiplanar: Frame #051 (epoll)
> > 	Video Output Multiplanar: Frame #052 (epoll)
> > 	Video Output Multiplanar: Frame #053 (epoll)
> > 	Video Output Multiplanar: Frame #054 (epoll)
> > 	Video Output Multiplanar: Frame #055 (epoll)
> > 	Video Output Multiplanar: Frame #056 (epoll)
> > 	Video Output Multiplanar: Frame #057 (epoll)
> > 	Video Output Multiplanar: Frame #058 (epoll)
> > 	Video Output Multiplanar: Frame #059 (epoll)
> > 
> > 	Video Capture Multiplanar: Captured 58 buffers
> > 	test MMAP (epoll): OK
> > 	test USERPTR (no poll): OK (Not Supported)
> > 	test USERPTR (select): OK (Not Supported)
> > 	test DMABUF: Cannot test, specify --expbuf-device
> > 
> > Total for mtk-mdp3 device /dev/video2: 53, Succeeded: 53, Failed:
> > 0,
> > Warnings: 0
> > 
> > Signed-off-by: Ping-Hsun Wu <ping-hsun.wu at mediatek.com>
> > Signed-off-by: daoyuan huang <daoyuan.huang at mediatek.com>
> > Signed-off-by: Moudy Ho <moudy.ho at mediatek.com>
> > ---
> >  drivers/media/platform/mediatek/Kconfig       |   1 +
> >  drivers/media/platform/mediatek/Makefile      |   1 +
> >  drivers/media/platform/mediatek/mdp3/Kconfig  |  20 +
> >  drivers/media/platform/mediatek/mdp3/Makefile |   6 +
> >  .../platform/mediatek/mdp3/mdp_reg_ccorr.h    |  19 +
> >  .../platform/mediatek/mdp3/mdp_reg_rdma.h     |  65 ++
> >  .../platform/mediatek/mdp3/mdp_reg_rsz.h      |  39 +
> >  .../platform/mediatek/mdp3/mdp_reg_wdma.h     |  47 +
> >  .../platform/mediatek/mdp3/mdp_reg_wrot.h     |  55 +
> >  .../platform/mediatek/mdp3/mtk-img-ipi.h      | 290 +++++
> >  .../platform/mediatek/mdp3/mtk-mdp3-cmdq.c    | 486 +++++++++
> >  .../platform/mediatek/mdp3/mtk-mdp3-cmdq.h    |  48 +
> >  .../platform/mediatek/mdp3/mtk-mdp3-comp.c    | 987
> > ++++++++++++++++++
> >  .../platform/mediatek/mdp3/mtk-mdp3-comp.h    | 185 ++++
> >  .../platform/mediatek/mdp3/mtk-mdp3-core.c    | 379 +++++++
> >  .../platform/mediatek/mdp3/mtk-mdp3-core.h    |  95 ++
> >  .../platform/mediatek/mdp3/mtk-mdp3-m2m.c     | 772 ++++++++++++++
> >  .../platform/mediatek/mdp3/mtk-mdp3-m2m.h     |  48 +
> >  .../platform/mediatek/mdp3/mtk-mdp3-regs.c    | 736 +++++++++++++
> >  .../platform/mediatek/mdp3/mtk-mdp3-regs.h    | 370 +++++++
> >  .../platform/mediatek/mdp3/mtk-mdp3-vpu.c     | 312 ++++++
> >  .../platform/mediatek/mdp3/mtk-mdp3-vpu.h     |  78 ++
> >  22 files changed, 5039 insertions(+)
> >  create mode 100644 drivers/media/platform/mediatek/mdp3/Kconfig
> >  create mode 100644 drivers/media/platform/mediatek/mdp3/Makefile
> >  create mode 100644
> > drivers/media/platform/mediatek/mdp3/mdp_reg_ccorr.h
> >  create mode 100644
> > drivers/media/platform/mediatek/mdp3/mdp_reg_rdma.h
> >  create mode 100644
> > drivers/media/platform/mediatek/mdp3/mdp_reg_rsz.h
> >  create mode 100644
> > drivers/media/platform/mediatek/mdp3/mdp_reg_wdma.h
> >  create mode 100644
> > drivers/media/platform/mediatek/mdp3/mdp_reg_wrot.h
> >  create mode 100644 drivers/media/platform/mediatek/mdp3/mtk-img-
> > ipi.h
> >  create mode 100644 drivers/media/platform/mediatek/mdp3/mtk-mdp3-
> > cmdq.c
> >  create mode 100644 drivers/media/platform/mediatek/mdp3/mtk-mdp3-
> > cmdq.h
> >  create mode 100644 drivers/media/platform/mediatek/mdp3/mtk-mdp3-
> > comp.c
> >  create mode 100644 drivers/media/platform/mediatek/mdp3/mtk-mdp3-
> > comp.h
> >  create mode 100644 drivers/media/platform/mediatek/mdp3/mtk-mdp3-
> > core.c
> >  create mode 100644 drivers/media/platform/mediatek/mdp3/mtk-mdp3-
> > core.h
> >  create mode 100644 drivers/media/platform/mediatek/mdp3/mtk-mdp3-
> > m2m.c
> >  create mode 100644 drivers/media/platform/mediatek/mdp3/mtk-mdp3-
> > m2m.h
> >  create mode 100644 drivers/media/platform/mediatek/mdp3/mtk-mdp3-
> > regs.c
> >  create mode 100644 drivers/media/platform/mediatek/mdp3/mtk-mdp3-
> > regs.h
> >  create mode 100644 drivers/media/platform/mediatek/mdp3/mtk-mdp3-
> > vpu.c
> >  create mode 100644 drivers/media/platform/mediatek/mdp3/mtk-mdp3-
> > vpu.h
> > 
> > diff --git a/drivers/media/platform/mediatek/Kconfig
> > b/drivers/media/platform/mediatek/Kconfig
> > index af47d9888552..84104e2cd024 100644
> > --- a/drivers/media/platform/mediatek/Kconfig
> > +++ b/drivers/media/platform/mediatek/Kconfig
> > @@ -6,3 +6,4 @@ source
> > "drivers/media/platform/mediatek/jpeg/Kconfig"
> >  source "drivers/media/platform/mediatek/mdp/Kconfig"
> >  source "drivers/media/platform/mediatek/vcodec/Kconfig"
> >  source "drivers/media/platform/mediatek/vpu/Kconfig"
> > +source "drivers/media/platform/mediatek/mdp3/Kconfig"
> > diff --git a/drivers/media/platform/mediatek/Makefile
> > b/drivers/media/platform/mediatek/Makefile
> > index d3850a13f128..38e6ba917fe5 100644
> > --- a/drivers/media/platform/mediatek/Makefile
> > +++ b/drivers/media/platform/mediatek/Makefile
> > @@ -3,3 +3,4 @@ obj-y += jpeg/
> >  obj-y += mdp/
> >  obj-y += vcodec/
> >  obj-y += vpu/
> > +obj-y += mdp3/
> > diff --git a/drivers/media/platform/mediatek/mdp3/Kconfig
> > b/drivers/media/platform/mediatek/mdp3/Kconfig
> > new file mode 100644
> > index 000000000000..6640763c7c5e
> > --- /dev/null
> > +++ b/drivers/media/platform/mediatek/mdp3/Kconfig
> > @@ -0,0 +1,20 @@
> > +# SPDX-License-Identifier: GPL-2.0-only
> > +config VIDEO_MEDIATEK_MDP3
> > +	tristate "Mediatek MDP v3 driver"
> > +	depends on MTK_IOMMU || COMPLIE_TEST
> > +	depends on VIDEO_DEV
> > +	depends on ARCH_MEDIATEK || COMPILE_TEST
> > +	depends on MTK_MMSYS
> > +	depends on HAS_DMA
> > +	select VIDEOBUF2_DMA_CONTIG
> > +	select V4L2_MEM2MEM_DEV
> > +	select VIDEO_MEDIATEK_VPU
> > +	select MTK_CMDQ
> > +	select MTK_SCP
> > +	default n
> > +	help
> > +	    It is a v4l2 driver and present in Mediatek MT8183 SoC.
> > +	    The driver supports for scaling and color space conversion.
> > +
> > +	    To compile this driver as a module, choose M here: the
> > +	    module will be called mtk-mdp3.
> > diff --git a/drivers/media/platform/mediatek/mdp3/Makefile
> > b/drivers/media/platform/mediatek/mdp3/Makefile
> > new file mode 100644
> > index 000000000000..8772f5ac2867
> > --- /dev/null
> > +++ b/drivers/media/platform/mediatek/mdp3/Makefile
> > @@ -0,0 +1,6 @@
> > +# SPDX-License-Identifier: GPL-2.0-only
> > +mtk-mdp3-y += mtk-mdp3-core.o mtk-mdp3-vpu.o mtk-mdp3-regs.o
> > +mtk-mdp3-y += mtk-mdp3-m2m.o
> > +mtk-mdp3-y += mtk-mdp3-comp.o mtk-mdp3-cmdq.o
> > +
> > +obj-$(CONFIG_VIDEO_MEDIATEK_MDP3) += mtk-mdp3.o
> > \ No newline at end of file
> 
> Hello Moudy,
> 
> I think you should fix "\ No newline at end of file".
> 
> BRs,
> Rex
> 

Hi Rex,

Thanks for the reminder, I'll fix it in the next version.

Regards,
Moudy

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