Re: [PATCH v3 0/4] media: meson: Add support for the Amlogic GE2D Accelerator Unit

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Hi,

On 02/12/2020 13:27, Hans Verkuil wrote:
> On 17/11/2020 09:44, Neil Armstrong wrote:
>> The GE2D is a 2D accelerator with various features like configurable blitter
>> with alpha blending, frame rotation, scaling, format conversion and colorspace
>> conversion.
>>
>> The driver implements a Memory2Memory VB2 V4L2 streaming device permitting:
>> - 0, 90, 180, 270deg rotation
>> - horizontal/vertical flipping
>> - source cropping
>> - destination compositing
>> - 32bit/24bit/16bit format conversion
>>
>> This adds the support for the GE2D version found in the AXG SoCs Family.
>>
>> The missing features are:
>> - Source scaling
>> - Colorspace conversion
>> - Advanced alpha blending & blitting options
>>
>> Dependencies:
>> - Patches 1-3: None
>> - Patch 4: https://lkml.kernel.org/r/20200915124553.8056-1-narmstrong@xxxxxxxxxxxx (applied for 5.11)
>>
>> Changes since v2:
>> - removed error check in and after get_frame()
>> - moved the v4l2_file_operations lower in the code to avoid adding vidioc_setup_cap_fmt on top
>> - removed all memcpy of pix_fmt
>> - simplified & fixed ge2d_start_streaming
>> - added local buffer type check in vidioc_g_selection instead of using get_frame error
>> - removed impossible <0 rectangle check, fixed error string
>> - added comment on condition after V4L2_CID_ROTATE
>>
>> Changes since v1:
>> - Rebased on v5.10-rc1
>>
>> / # v4l2-compliance -s
>> v4l2-compliance SHA: ea16a7ef13a902793a5c2626b0cefc4d956147f3, 64 bits, 64-bit time_t
> 
> That's too old: additional checks for CSC handling have been added since
> that time. It probably won't affect this driver, but still I prefer it if you
> can update to the latest version and verify that it still passes all the tests.

Ok

Neil

> 
> Regards,
> 
> 	Hans
> 
>>
>> Compliance test for meson-ge2d device /dev/video0:
>>
>> Driver Info:
>> 	Driver name      : meson-ge2d
>> 	Card type        : meson-ge2d
>> 	Bus info         : platform:meson-ge2d
>> 	Driver version   : 5.9.0
>> 	Capabilities     : 0x84208000
>> 		Video Memory-to-Memory
>> 		Streaming
>> 		Extended Pix Format
>> 		Device Capabilities
>> 	Device Caps      : 0x04208000
>> 		Video Memory-to-Memory
>> 		Streaming
>> 		Extended Pix Format
>>
>> Required ioctls:
>> 	test VIDIOC_QUERYCAP: OK
>>
>> Allow for multiple opens:
>> 	test second /dev/video0 open: OK
>> 	test VIDIOC_QUERYCAP: OK
>> 	test VIDIOC_G/S_PRIORITY: OK
>> 	test for unlimited opens: OK
>>
>> 	test invalid ioctls: OK
>> Debug ioctls:
>> 	test VIDIOC_DBG_G/S_REGISTER: OK
>> 	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 (Not Supported)
>>
>> 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 input 0:
>>
>> Streaming ioctls:
>> 	test read/write: OK (Not Supported)
>> 	test blocking wait: OK
>> 	Video Capture: Captured 58 buffers                
>> 	test MMAP (no poll): OK
>> 	Video Capture: Captured 58 buffers                
>> 	test MMAP (select): OK
>> 	Video Capture: 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 meson-ge2d device /dev/video0: 52, Succeeded: 52, Failed: 0, Warnings: 0
>>
>> Neil Armstrong (4):
>>   dt-bindings: media: Add bindings for the Amlogic GE2D Accelerator Unit
>>   media: meson: Add M2M driver for the Amlogic GE2D Accelerator Unit
>>   MAINTAINERS: Add myself as maintainer of the Amlogic GE2D driver
>>   arm64: dts: meson-axg: add GE2D node
>>
>>  .../bindings/media/amlogic,axg-ge2d.yaml      |   47 +
>>  MAINTAINERS                                   |    9 +
>>  arch/arm64/boot/dts/amlogic/meson-axg.dtsi    |    9 +
>>  drivers/media/platform/Kconfig                |   13 +
>>  drivers/media/platform/Makefile               |    2 +
>>  drivers/media/platform/meson/ge2d/Makefile    |    3 +
>>  drivers/media/platform/meson/ge2d/ge2d-regs.h |  360 ++++++
>>  drivers/media/platform/meson/ge2d/ge2d.c      | 1091 +++++++++++++++++
>>  8 files changed, 1534 insertions(+)
>>  create mode 100644 Documentation/devicetree/bindings/media/amlogic,axg-ge2d.yaml
>>  create mode 100644 drivers/media/platform/meson/ge2d/Makefile
>>  create mode 100644 drivers/media/platform/meson/ge2d/ge2d-regs.h
>>  create mode 100644 drivers/media/platform/meson/ge2d/ge2d.c
>>
> 




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