RE: [PATCH v4 0/2] Add RZ/G2L Display support

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Hi Laurent and all,

I have prototyped the RZ/G2L DU driver with a library that shares the common code
between R-Car and RZ/G2L Du drivers.

Looks like the total patches is now more than 20.

So planning to send the same with batches of 2-3 small series in order to make
review simpler.

Cheers,
Biju

> Subject: [PATCH v4 0/2] Add RZ/G2L Display support
> 
> RZ/G2L LCD controller composed of Frame compression Processor(FCPVD),
> Video signal processor (VSPD) and Display unit(DU). The output of LCDC
> is connected to Display parallel interface and MIPI link video
> interface.
> 
> This patch series aims to add basic display support on RZ/G2L SMARC EVK
> platform. The output from DSI is connected to ADV7535.
> 
> The DU controller is similar to R-Car as it is connected to VSPD, so
> most of code is based on R-Car with new CRTC/DRM driver specific to
> RZ/G2L
> 
> v3->v4:
>  * Changed compatible name from renesas,du-r9a07g044->renesas,r9a07g044-
> du
>  * started using same compatible for RZ/G2{L,LC}
>  * Removed rzg2l_du_group.h and struct rzg2l_du_group
>  * Renamed __rzg2l_du_group_start_stop->rzg2l_du_start_stop
>  * Removed rzg2l_du_group_restart
>  * Updated rzg2l_du_crtc_set_display_timing
>  * Removed mode_valid callback.
>  * Updated rzg2l_du_crtc_create() parameters
>  * Updated compatible
>  * Removed RZG2L_DU_MAX_GROUPS
> V2->v3:
>  * Added new bindings for RZ/G2L DU
>  * Removed indirection and created new DRM driver based on R-Car DU
> v1->v2:
>  * Based on [1], all references to 'rzg2l_lcdc' replaced with 'rzg2l_du'
>  * Updated commit description for bindings
>  * Removed LCDC references from bindings
>  * Changed clock name from du.0->aclk from bindings
>  * Changed reset name from du.0->du from bindings
>  * Replaced crtc_helper_funcs->rcar_crtc_helper_funcs
>  * Updated macro DRM_RZG2L_LCDC->DRM_RZG2L_DU
>  * Replaced rzg2l-lcdc-drm->rzg2l-du-drm
>  * Added forward declaration for struct reset_control
> 
> [1]
> 
> RFC->v1:
>  * Changed  minItems->maxItems for renesas,vsps.
>  * Added RZ/G2L LCDC driver with special handling for CRTC reusing
>    most of RCar DU code
>  * Fixed the comments for num_rpf from rpf's->RPFs/ and vsp->VSP.
> RFC:
> Modetest output:-
> root@smarc-rzg2l:~# modetest -M rzg2l-du
> Encoders:
> id      crtc    type    possible crtcs  possible clones
> 40      39      none    0x00000001      0x00000001
> 42      0       Virtual 0x00000001      0x00000002
> 
> Connectors:
> id      encoder status          name            size (mm)       modes
> encoders
> 41      40      connected       HDMI-A-1        520x320         29
> 40
>   modes:
>         index name refresh (Hz) hdisp hss hse htot vdisp vss vse vtot)
>   #0 1920x1080 59.72 1920 1968 2000 2080 1080 1082 1087 1111 138000
> flags: phsync, nvsync; type: preferred, driver
>   #1 1920x1080 60.00 1920 2008 2052 2200 1080 1084 1089 1125 148500
> flags: phsync, pvsync; type: driver
>   #2 1920x1080 59.94 1920 2008 2052 2200 1080 1084 1089 1125 148352
> flags: phsync, pvsync; type: driver
>   #3 1920x1080 59.94 1920 2008 2052 2200 1080 1084 1089 1125 148352
> flags: phsync, pvsync; type: driver
>   #4 1280x1024 75.02 1280 1296 1440 1688 1024 1025 1028 1066 135000
> flags: phsync, pvsync; type: driver
>   #5 1280x1024 60.02 1280 1328 1440 1688 1024 1025 1028 1066 108000
> flags: phsync, pvsync; type: driver
>   #6 1152x864 75.00 1152 1216 1344 1600 864 865 868 900 108000 flags:
> phsync, pvsync; type: driver
>   #7 1280x720 60.00 1280 1390 1430 1650 720 725 730 750 74250 flags:
> phsync, pvsync; type: driver
>   #8 1280x720 59.94 1280 1390 1430 1650 720 725 730 750 74176 flags:
> phsync, pvsync; type: driver
>   #9 1280x720 50.00 1280 1720 1760 1980 720 725 730 750 74250 flags:
> phsync, pvsync; type: driver
>   #10 1280x720 50.00 1280 1720 1760 1980 720 725 730 750 74250 flags:
> phsync, pvsync; type: driver
>   #11 1024x768 75.03 1024 1040 1136 1312 768 769 772 800 78750 flags:
> phsync, pvsync; type: driver
>   #12 1024x768 70.07 1024 1048 1184 1328 768 771 777 806 75000 flags:
> nhsync, nvsync; type: driver
>   #13 1024x768 60.00 1024 1048 1184 1344 768 771 777 806 65000 flags:
> nhsync, nvsync; type: driver
>   #14 832x624 74.55 832 864 928 1152 624 625 628 667 57284 flags:
> nhsync, nvsync; type: driver
>   #15 800x600 75.00 800 816 896 1056 600 601 604 625 49500 flags:
> phsync, pvsync; type: driver
>   #16 800x600 72.19 800 856 976 1040 600 637 643 666 50000 flags:
> phsync, pvsync; type: driver
>   #17 800x600 60.32 800 840 968 1056 600 601 605 628 40000 flags:
> phsync, pvsync; type: driver
>   #18 800x600 56.25 800 824 896 1024 600 601 603 625 36000 flags:
> phsync, pvsync; type: driver
>   #19 720x576 50.00 720 732 796 864 576 581 586 625 27000 flags: nhsync,
> nvsync; type: driver
>   #20 720x576 50.00 720 732 796 864 576 581 586 625 27000 flags: nhsync,
> nvsync; type: driver
>   #21 720x480 60.00 720 736 798 858 480 489 495 525 27027 flags: nhsync,
> nvsync; type: driver
>   #22 720x480 59.94 720 736 798 858 480 489 495 525 27000 flags: nhsync,
> nvsync; type: driver
>   #23 640x480 75.00 640 656 720 840 480 481 484 500 31500 flags: nhsync,
> nvsync; type: driver
>   #24 640x480 72.81 640 664 704 832 480 489 492 520 31500 flags: nhsync,
> nvsync; type: driver
>   #25 640x480 66.67 640 704 768 864 480 483 486 525 30240 flags: nhsync,
> nvsync; type: driver
>   #26 640x480 60.00 640 656 752 800 480 490 492 525 25200 flags: nhsync,
> nvsync; type: driver
>   #27 640x480 59.94 640 656 752 800 480 490 492 525 25175 flags: nhsync,
> nvsync; type: driver
>   #28 720x400 70.08 720 738 846 900 400 412 414 449 28320 flags: nhsync,
> pvsync; type: driver
>   props:
>         1 EDID:
>                 flags: immutable blob
>                 blobs:
> 
>                 value:
>                         00ffffffffffff003683832410101010
>                         1416010380342078eeb725ac5130b426
>                         105054bfef8068c0714f818001010101
>                         010101010101e83580a070381f403020
>                         250044682100001a000000ff00303031
>                         30310a20202020202020000000fc0048
>                         444d490a2020202020202020000000fd
>                         00384c1e5317000a20202020202001cf
>                         02031a71471003140513841223090707
>                         8301000065030c0010008c0ad0902040
>                         31200c40550036d431000018011d8018
>                         711c1620582c250036d43100009e011d
>                         80d0721c1620102c258036d43100009e
>                         011d00bc52d01e20b828554036d43100
>                         001ef339801871382d40582c4500c48e
>                         2100001e000000000000000000000054
>         2 DPMS:
>                 flags: enum
>                 enums: On=0 Standby=1 Suspend=2 Off=3
>                 value: 0
>         5 link-status:
>                 flags: enum
>                 enums: Good=0 Bad=1
>                 value: 0
>         6 non-desktop:
>                 flags: immutable range
>                 values: 0 1
>                 value: 0
>         4 TILE:
>                 flags: immutable blob
>                 blobs:
> 
>                 value:
>         20 CRTC_ID:
>                 flags: object
>                 value: 39
> 
> CRTCs:
> id      fb      pos     size
> 39      49      (0,0)   (1920x1080)
>   #0 1920x1080 59.72 1920 1968 2000 2080 1080 1082 1087 1111 138000
> flags: phsync, nvsync; type: preferred, driver
>   props:
>         22 ACTIVE:
>                 flags: range
>                 values: 0 1
>                 value: 1
>         23 MODE_ID:
>                 flags: blob
>                 blobs:
> 
>                 value:
>                         101b02008007b007d007200800003804
>                         3a043f04570400003c00000009000000
>                         48000000313932307831303830000000
>                         00000000000000000000000000000000
>                         00000000
>         19 OUT_FENCE_PTR:
>                 flags: range
>                 values: 0 18446744073709551615
>                 value: 0
>         24 VRR_ENABLED:
>                 flags: range
>                 values: 0 1
>                 value: 0
> 
> Planes:
> id      crtc    fb      CRTC x,y        x,y     gamma size      possible
> crtcs
> 32      39      49      0,0             0,0     0
> 0x00000001
>   formats: RGB8 AR12 XR12 AR15 XR15 RG16 BG24 RG24 BA24 BX24 AR24 XR24
> UYVY YUYV YVYU NV12 NV21 NV16 NV61 YU12 YV12 YU16 YV16 YU24 YV24
>   props:
>         8 type:
>                 flags: immutable enum
>                 enums: Overlay=0 Primary=1 Cursor=2
>                 value: 1
>         17 FB_ID:
>                 flags: object
>                 value: 49
>         18 IN_FENCE_FD:
>                 flags: signed range
>                 values: -1 2147483647
>                 value: -1
>         20 CRTC_ID:
>                 flags: object
>                 value: 39
>         13 CRTC_X:
>                 flags: signed range
>                 values: -2147483648 2147483647
>                 value: 0
>         14 CRTC_Y:
>                 flags: signed range
>                 values: -2147483648 2147483647
>                 value: 0
>         15 CRTC_W:
>                 flags: range
>                 values: 0 2147483647
>                 value: 1920
>         16 CRTC_H:
>                 flags: range
>                 values: 0 2147483647
>                 value: 1080
>         9 SRC_X:
>                 flags: range
>                 values: 0 4294967295
>                 value: 0
>         10 SRC_Y:
>                 flags: range
>                 values: 0 4294967295
>                 value: 0
>         11 SRC_W:
>                 flags: range
>                 values: 0 4294967295
>                 value: 125829120
>         12 SRC_H:
>                 flags: range
>                 values: 0 4294967295
>                 value: 70778880
>         30 IN_FORMATS:
>                 flags: immutable blob
>                 blobs:
> 
>                 value:
>                         01000000000000001900000018000000
>                         01000000800000005247423841523132
>                         58523132415231355852313552473136
>                         42473234524732344241323442583234
>                         41523234585232345559565959555956
>                         595659554e5631324e5632314e563136
>                         4e563631595531325956313259553136
>                         59563136595532345956323400000000
>                         ffffff01000000000000000000000000
>                         0000000000000000
>                 in_formats blob decoded:
>                          RGB8:  LINEAR
>                          AR12:  LINEAR
>                          XR12:  LINEAR
>                          AR15:  LINEAR
>                          XR15:  LINEAR
>                          RG16:  LINEAR
>                          BG24:  LINEAR
>                          RG24:  LINEAR
>                          BA24:  LINEAR
>                          BX24:  LINEAR
>                          AR24:  LINEAR
>                          XR24:  LINEAR
>                          UYVY:  LINEAR
>                          YUYV:  LINEAR
>                          YVYU:  LINEAR
>                          NV12:  LINEAR
>                          NV21:  LINEAR
>                          NV16:  LINEAR
>                          NV61:  LINEAR
>                          YU12:  LINEAR
>                          YV12:  LINEAR
>                          YU16:  LINEAR
>                          YV16:  LINEAR
>                          YU24:  LINEAR
>                          YV24:  LINEAR
>         34 zpos:
>                 flags: immutable range
>                 values: 0 0
>                 value: 0
> 35      0       0       0,0             0,0     0
> 0x00000001
>   formats: RGB8 AR12 XR12 AR15 XR15 RG16 BG24 RG24 BA24 BX24 AR24 XR24
> UYVY YUYV YVYU NV12 NV21 NV16 NV61 YU12 YV12 YU16 YV16 YU24 YV24
>   props:
>         8 type:
>                 flags: immutable enum
>                 enums: Overlay=0 Primary=1 Cursor=2
>                 value: 0
>         17 FB_ID:
>                 flags: object
>                 value: 0
>         18 IN_FENCE_FD:
>                 flags: signed range
>                 values: -1 2147483647
>                 value: -1
>         20 CRTC_ID:
>                 flags: object
>                 value: 0
>         13 CRTC_X:
>                 flags: signed range
>                 values: -2147483648 2147483647
>                 value: 0
>         14 CRTC_Y:
>                 flags: signed range
>                 values: -2147483648 2147483647
>                 value: 0
>         15 CRTC_W:
>                 flags: range
>                 values: 0 2147483647
>                 value: 0
>         16 CRTC_H:
>                 flags: range
>                 values: 0 2147483647
>                 value: 0
>         9 SRC_X:
>                 flags: range
>                 values: 0 4294967295
>                 value: 0
>         10 SRC_Y:
>                 flags: range
>                 values: 0 4294967295
>                 value: 0
>         11 SRC_W:
>                 flags: range
>                 values: 0 4294967295
>                 value: 0
>         12 SRC_H:
>                 flags: range
>                 values: 0 4294967295
>                 value: 0
>         30 IN_FORMATS:
>                 flags: immutable blob
>                 blobs:
> 
>                 value:
>                         01000000000000001900000018000000
>                         01000000800000005247423841523132
>                         58523132415231355852313552473136
>                         42473234524732344241323442583234
>                         41523234585232345559565959555956
>                         595659554e5631324e5632314e563136
>                         4e563631595531325956313259553136
>                         59563136595532345956323400000000
>                         ffffff01000000000000000000000000
>                         0000000000000000
>                 in_formats blob decoded:
>                          RGB8:  LINEAR
>                          AR12:  LINEAR
>                          XR12:  LINEAR
>                          AR15:  LINEAR
>                          XR15:  LINEAR
>                          RG16:  LINEAR
>                          BG24:  LINEAR
>                          RG24:  LINEAR
>                          BA24:  LINEAR
>                          BX24:  LINEAR
>                          AR24:  LINEAR
>                          XR24:  LINEAR
>                          UYVY:  LINEAR
>                          YUYV:  LINEAR
>                          YVYU:  LINEAR
>                          NV12:  LINEAR
>                          NV21:  LINEAR
>                          NV16:  LINEAR
>                          NV61:  LINEAR
>                          YU12:  LINEAR
>                          YV12:  LINEAR
>                          YU16:  LINEAR
>                          YV16:  LINEAR
>                          YU24:  LINEAR
>                          YV24:  LINEAR
>         37 alpha:
>                 flags: range
>                 values: 0 65535
>                 value: 65535
>         38 zpos:
>                 flags: range
>                 values: 1 1
>                 value: 1
> 
> Frame buffers:
> id      size    pitch
> 
> 
> Biju Das (2):
>   dt-bindings: display: Document Renesas RZ/G2L DU bindings
>   drm: rcar-du: Add RZ/G2L DU Support
> 
>  .../bindings/display/renesas,rzg2l-du.yaml    | 124 +++
>  drivers/gpu/drm/rcar-du/Kconfig               |  16 +-
>  drivers/gpu/drm/rcar-du/Makefile              |   9 +
>  drivers/gpu/drm/rcar-du/rzg2l_du_crtc.c       | 718 +++++++++++++++++
>  drivers/gpu/drm/rcar-du/rzg2l_du_crtc.h       | 100 +++
>  drivers/gpu/drm/rcar-du/rzg2l_du_drv.c        | 192 +++++
>  drivers/gpu/drm/rcar-du/rzg2l_du_drv.h        |  99 +++
>  drivers/gpu/drm/rcar-du/rzg2l_du_encoder.c    | 114 +++
>  drivers/gpu/drm/rcar-du/rzg2l_du_encoder.h    |  29 +
>  drivers/gpu/drm/rcar-du/rzg2l_du_kms.c        | 756 ++++++++++++++++++
>  drivers/gpu/drm/rcar-du/rzg2l_du_kms.h        |  43 +
>  drivers/gpu/drm/rcar-du/rzg2l_du_regs.h       |  67 ++
>  drivers/gpu/drm/rcar-du/rzg2l_du_vsp.c        | 422 ++++++++++
>  drivers/gpu/drm/rcar-du/rzg2l_du_vsp.h        |  93 +++
>  drivers/gpu/drm/rcar-du/rzg2l_du_writeback.c  | 250 ++++++
> drivers/gpu/drm/rcar-du/rzg2l_du_writeback.h  |  42 +
>  16 files changed, 3073 insertions(+), 1 deletion(-)  create mode 100644
> Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml
>  create mode 100644 drivers/gpu/drm/rcar-du/rzg2l_du_crtc.c
>  create mode 100644 drivers/gpu/drm/rcar-du/rzg2l_du_crtc.h
>  create mode 100644 drivers/gpu/drm/rcar-du/rzg2l_du_drv.c
>  create mode 100644 drivers/gpu/drm/rcar-du/rzg2l_du_drv.h
>  create mode 100644 drivers/gpu/drm/rcar-du/rzg2l_du_encoder.c
>  create mode 100644 drivers/gpu/drm/rcar-du/rzg2l_du_encoder.h
>  create mode 100644 drivers/gpu/drm/rcar-du/rzg2l_du_kms.c
>  create mode 100644 drivers/gpu/drm/rcar-du/rzg2l_du_kms.h
>  create mode 100644 drivers/gpu/drm/rcar-du/rzg2l_du_regs.h
>  create mode 100644 drivers/gpu/drm/rcar-du/rzg2l_du_vsp.c
>  create mode 100644 drivers/gpu/drm/rcar-du/rzg2l_du_vsp.h
>  create mode 100644 drivers/gpu/drm/rcar-du/rzg2l_du_writeback.c
>  create mode 100644 drivers/gpu/drm/rcar-du/rzg2l_du_writeback.h
> 
> --
> 2.25.1





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