Re: [Letux-kernel] [PATCH 8/8] drm/ingenic: Attach bridge chain to encoders

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Hi Paul,
[...]

Encoders:
id      crtc    type    possible crtcs  possible clones
34      32      DPI     0x00000001      0x00000001

Connectors:
id      encoder status          name            size (mm)       modes
encoders
35 34 connected HDMI-A-1 340x270 17 34
  modes:
        index name refresh (Hz) hdisp hss hse htot vdisp vss vse vtot)
#0 1280x1024 60.02 1280 1328 1440 1688 1024 1025 1028 1066 108000 flags:
phsync, pvsync; type: preferred, driver
#1 1280x1024 75.02 1280 1296 1440 1688 1024 1025 1028 1066 135000 flags:
phsync, pvsync; type: driver
#2 1280x960 60.00 1280 1376 1488 1800 960 961 964 1000 108000 flags: phsync,
pvsync; type: driver
#3 1152x864 75.00 1152 1216 1344 1600 864 865 868 900 108000 flags: phsync,
pvsync; type: driver
#4 1024x768 75.03 1024 1040 1136 1312 768 769 772 800 78750 flags: phsync,
pvsync; type: driver
#5 1024x768 70.07 1024 1048 1184 1328 768 771 777 806 75000 flags: nhsync,
nvsync; type: driver
#6 1024x768 60.00 1024 1048 1184 1344 768 771 777 806 65000 flags: nhsync,
nvsync; type: driver
#7 832x624 74.55 832 864 928 1152 624 625 628 667 57284 flags: nhsync,
nvsync; type: driver
#8 800x600 75.00 800 816 896 1056 600 601 604 625 49500 flags: phsync,
pvsync; type: driver
#9 800x600 72.19 800 856 976 1040 600 637 643 666 50000 flags: phsync,
pvsync; type: driver
#10 800x600 60.32 800 840 968 1056 600 601 605 628 40000 flags: phsync,
pvsync; type: driver
#11 800x600 56.25 800 824 896 1024 600 601 603 625 36000 flags: phsync,
pvsync; type: driver
#12 640x480 75.00 640 656 720 840 480 481 484 500 31500 flags: nhsync,
nvsync; type: driver
#13 640x480 72.81 640 664 704 832 480 489 492 520 31500 flags: nhsync,
nvsync; type: driver
#14 640x480 66.67 640 704 768 864 480 483 486 525 30240 flags: nhsync,
nvsync; type: driver
#15 640x480 59.94 640 656 752 800 480 490 492 525 25175 flags: nhsync,
nvsync; type: driver
#16 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:
                        00ffffffffffff00047232ad01010101
                        2d0e010380221b782aaea5a6544c9926
                        145054bfef0081808140714f01010101
                        010101010101302a009851002a403070
                        1300520e1100001e000000ff00343435
                        3030353444454330300a000000fc0041
                        4c313731350a202020202020000000fd
                        00384c1e520e000a2020202020200051
        2 DPMS:
                flags: enum
                enums: On=0 Standby=1 Suspend=2 Off=3
                value: 3
        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: 32

CRTCs:
id      fb      pos     size
32      36      (0,0)   (1280x1024)
#0 60.02 1280 1328 1440 1688 1024 1025 1028 1066 108000 flags: phsync,
pvsync; type:
  props:
        22 ACTIVE:
                flags: range
                values: 0 1
                value: 0
        23 MODE_ID:
                flags: blob
                blobs:

                value:
                        e0a5010000053005a005980600000004
                        010404042a0400003c00000005000000
                        00000000000000000000000000000000
                        00000000000000000000000000000000
                        00000000
        19 OUT_FENCE_PTR:
                flags: range
                values: 0 18446744073709551615
                value: 0
        24 VRR_ENABLED:
                flags: range
                values: 0 1
                value: 0
        28 GAMMA_LUT:
                flags: blob
                blobs:

                value:
        29 GAMMA_LUT_SIZE:
                flags: immutable range
                values: 0 4294967295
                value: 256

Planes:
id crtc fb CRTC x,y x,y gamma size possible crtcs 31 32 36 0,0 0,0 0 0x00000001
  formats: XR15 RG16 RG24 XR24 XR30
  props:
        8 type:
                flags: immutable enum
                enums: Overlay=0 Primary=1 Cursor=2
                value: 1
        17 FB_ID:
                flags: object
                value: 36
        18 IN_FENCE_FD:
                flags: signed range
                values: -1 2147483647
                value: -1
        20 CRTC_ID:
                flags: object
                value: 32
        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: 1280
        16 CRTC_H:
                flags: range
                values: 0 2147483647
                value: 1024
        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: 83886080
        12 SRC_H:
                flags: range
                values: 0 4294967295
                value: 67108864
33 0 0 0,0 0,0 0 0x00000001
  formats: C8   XR15 RG16 RG24 XR24 XR30
  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

Frame buffers:
id      size    pitch

Just in case that means anything to anyone.

Everything looks good to me. Maybe add some debug in ingenic-drm to see what bus flags and format it ends up choosing.

Cheers,
-Paul





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