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    全志A733 DRM显示多屏异显出现的Master问题

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      lztmfx LV 5 最后由 编辑

      A733 buildroot开发双屏异显时，两个进程同各输出显示到一个屏幕，但是只有第一个运行的进程能点亮屏幕，另一个进程会报错没有权限，查询资料发现问题源于DRM的master问题，即：同一时刻只有一个CRTC能作为master，另一个CRTC就无权限提交显示了，**在RK上不存在这种问题，RK上面，假设有两个屏幕，就是两个CRTC，每个CRTC下面至少有2个Plane,也就是一共有4个可以显示的平面，这4个平面可以有4个进程推送buf,一起显示，不会报错权限问题，同一个CRTC下的plane就会根据zpos规则显示。**这种应该是在驱动层实现的，全志是否可以实现这种效果？Master的问题严重制约了多屏异显的灵活性，无法多个进程各种推送要显示的屏幕。

      A733的modetest信息：

      root@A733:/# /modetest -M sunxi-drm
Encoders:
id      crtc    type    possible crtcs  possible clones
144     0       Virtual 0x00000003      0x00000001
146     126     DSI     0x00000003      0x00000002
148     100     TMDS    0x00000003      0x00000004

Connectors:
id      encoder status          name            size (mm)       modes   encoders
147     146     connected       DSI-1           58x103          1       146
  modes:
        name refresh (Hz) hdisp hss hse htot vdisp vss vse vtot)
  720x1280 60 720 840 850 870 1280 1293 1298 1309 68300 flags: ; type: preferred, driver
  props:
        1 EDID:
                flags: immutable blob
                blobs:

                value:
        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: 126
149     148     connected       HDMI-A-1        0x0             27      148
  modes:
        name refresh (Hz) hdisp hss hse htot vdisp vss vse vtot)
  1920x1080 60 1920 2008 2052 2200 1080 1082 1087 1125 148500 flags: phsync, pvsync; type: preferred, driver
  1920x1080 60 1920 2008 2052 2200 1080 1084 1089 1125 148500 flags: phsync, pvsync; type: driver
  1920x1080 60 1920 2008 2052 2200 1080 1084 1089 1125 148500 flags: phsync, pvsync; type: driver
  1920x1080 60 1920 2008 2052 2200 1080 1084 1089 1125 148352 flags: phsync, pvsync; type: driver
  1920x1080 60 1920 2008 2052 2200 1080 1084 1089 1125 148352 flags: phsync, pvsync; type: driver
  1920x1080i 60 1920 2008 2052 2200 1080 1084 1094 1125 74250 flags: phsync, pvsync, interlace; type: driver
  1920x1080i 60 1920 2008 2052 2200 1080 1084 1094 1125 74250 flags: phsync, pvsync, interlace; type: driver
  1920x1080i 60 1920 2008 2052 2200 1080 1084 1094 1125 74176 flags: phsync, pvsync, interlace; type: driver
  1920x1080 50 1920 2448 2492 2640 1080 1084 1089 1125 148500 flags: phsync, pvsync; type: driver
  1920x1080 50 1920 2448 2492 2640 1080 1084 1089 1125 148500 flags: phsync, pvsync; type: driver
  1920x1080i 50 1920 2448 2492 2640 1080 1084 1094 1125 74250 flags: phsync, pvsync, interlace; type: driver
  1920x1080i 50 1920 1952 2120 2304 1080 1126 1136 1250 72000 flags: phsync, nvsync, interlace; type: driver
  1680x1050 60 1680 1728 1760 1840 1050 1053 1059 1080 119000 flags: phsync, nvsync; type: driver
  1440x900 60 1440 1488 1520 1600 900 903 909 926 88750 flags: phsync, nvsync; type: driver
  1280x960 60 1280 1376 1488 1800 960 961 964 1000 108000 flags: phsync, pvsync; type: driver
  1280x800 60 1280 1328 1360 1440 800 803 809 823 71000 flags: phsync, nvsync; type: driver
  1280x720 60 1280 1390 1430 1650 720 725 730 750 74250 flags: phsync, pvsync; type: driver
  1280x720 60 1280 1390 1430 1650 720 725 730 750 74250 flags: phsync, pvsync; type: driver
  1280x720 60 1280 1390 1430 1650 720 725 730 750 74176 flags: phsync, pvsync; type: driver
  1280x720 50 1280 1720 1760 1980 720 725 730 750 74250 flags: phsync, pvsync; type: driver
  1280x720 48 1280 2240 2280 2500 720 725 730 750 90000 flags: phsync, pvsync; type: driver
  1280x720 48 1280 2240 2280 2500 720 725 730 750 89910 flags: phsync, pvsync; type: driver
  1024x768 60 1024 1048 1184 1344 768 771 777 806 65000 flags: nhsync, nvsync; type: driver
  800x600 60 800 840 968 1056 600 601 605 628 40000 flags: phsync, pvsync; type: driver
  800x600 56 800 824 896 1024 600 601 603 625 36000 flags: phsync, pvsync; type: driver
  640x480 60 640 656 752 800 480 490 492 525 25200 flags: nhsync, nvsync; type: driver
  640x480 60 640 656 752 800 480 490 492 525 25175 flags: nhsync, nvsync; type: driver
  props:
        1 EDID:
                flags: immutable blob
                blobs:

                value:
                        00ffffffffffff004a8b201980102019
                        001e010380000078ecee91a3544c9926
                        0f5054230800d1c0b300950081006140
                        4540814081c0023a801871382d40582c
                        250058c31000001e000000fc00000a20
                        20202020202020202020000000ff0000
                        0a2020202020202020202020000000fd
                        00383f545413000a20202020202001a3
                        020332f24f04051013141f6c6c6c276c
                        6c6c4b4ce200d5e305c00023097f0783
                        01000067030c001000383ce606050169
                        694f023a801871382d40582c250058c3
                        1000001e011d8018711c1620582c2500
                        58c31000009e00000000000000000000
                        00000000000000000000000000000000
                        0000000000000000000000000000007a
        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: 100
        150 pixelformat_support:
                flags: enum
                enums: RGB888_8BITS=0 YUV444_8BITS=1 YUV422_8BITS=2 YUV420_8BITS=3 RGB888_10BITS=4 YUV444_10BITS=5 YUV422_10BITS=6 YUV420_10BITS=7 RGB888_12BITS=8 YUV444_12BITS=9 YUV422_12BITS=10 YUV420_12BITS=11 RGB888_16BITS=12 YUV444_16BITS=13 YUV422_16BITS=14 YUV420_16BITS=15
                value: 119
        151 pixelformat:
                flags: range
                values: 0 255
                value: 1
        152 dynamicrange_support:
                flags: enum
                enums: SDR=0 HDR10=1 HDR10P=2 HLG=3
                value: 3
        153 dynamicrange:
                flags: range
                values: 0 31
                value: 1

CRTCs:
id      fb      pos     size
100     168     (0,0)   (1920x1080)
  1920x1080 60 1920 2008 2052 2200 1080 1082 1087 1125 148500 flags: phsync, pvsync; type: preferred, driver
  props:
        22 ACTIVE:
                flags: range
                values: 0 1
                value: 1
        23 MODE_ID:
                flags: blob
                blobs:

                value:
                        144402008007d8070408980800003804
                        3a043f04650400003c00000005000000
                        48000000313932307831303830000000
                        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: 1024
        49 brightness:
                flags: range
                values: 0 100
                value: 50
        50 contrast:
                flags: range
                values: 0 100
                value: 50
        53 saturation:
                flags: range
                values: 0 100
                value: 50
        54 hue:
                flags: range
                values: 0 100
                value: 50
        33 SUNXI_CTM:
                flags: blob
                blobs:

                value:
        34 BACKEND_DATA:
                flags: blob
                blobs:

                value:
                        00000000000000000000000000000000
                        00000000000000000000000000000000
                        00000000000000000000000000000000
                        00000000000000000000000000000000
                        00000000000000000000000000000000
                        00000000000000000000000000000000
                        00000000000000000000000000000000
                        00000000000000000000000000000000
                        00000000000000000000000000000000
                        00000000000000000000000000000000
                        00000000000000000000000000000000
                        00000000000000000000000000000000
                        00000000000000000000000000000000
                        00000000000000000000000000000000
                        00000000000000000000000000000000
                        00000000000000000000000000000000
                        00000000000000000000000000000000
                        00000000000000000000000000000000
                        00000000000000000000000000000000
                        00000000000000000000000000000000
                        00000000000000000000000000000000
                        00000000000000000000000000000000
                        0000000000000000
        40 FRAME_RATE_CHANGE:
                flags: range
                values: 0 1
                value: 0
        31 FEATURE:
                flags: immutable blob
                blobs:

                value:
                        0d0000000000000000000000
126     0       (0,0)   (720x1280)
  720x1280 60 720 840 850 870 1280 1293 1298 1309 68300 flags: ; type: preferred, driver
  props:
        22 ACTIVE:
                flags: range
                values: 0 1
                value: 1
        23 MODE_ID:
                flags: blob
                blobs:

                value:
                        cc0a0100d00248035203660300000005
                        0d0512051d0500003c00000000000000
                        48000000373230783132383000000000
                        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: 1024
        49 brightness:
                flags: range
                values: 0 100
                value: 50
        50 contrast:
                flags: range
                values: 0 100
                value: 50
        53 saturation:
                flags: range
                values: 0 100
                value: 50
        54 hue:
                flags: range
                values: 0 100
                value: 50
        33 SUNXI_CTM:
                flags: blob
                blobs:

                value:
        34 BACKEND_DATA:
                flags: blob
                blobs:

                value:
                        00000000000000000000000000000000
                        00000000000000000000000000000000
                        00000000000000000000000000000000
                        00000000000000000000000000000000
                        00000000000000000000000000000000
                        00000000000000000000000000000000
                        00000000000000000000000000000000
                        00000000000000000000000000000000
                        00000000000000000000000000000000
                        00000000000000000000000000000000
                        00000000000000000000000000000000
                        00000000000000000000000000000000
                        00000000000000000000000000000000
                        00000000000000000000000000000000
                        00000000000000000000000000000000
                        00000000000000000000000000000000
                        00000000000000000000000000000000
                        00000000000000000000000000000000
                        00000000000000000000000000000000
                        00000000000000000000000000000000
                        00000000000000000000000000000000
                        00000000000000000000000000000000
                        0000000000000000
        40 FRAME_RATE_CHANGE:
                flags: range
                values: 0 1
                value: 0
        31 FEATURE:
                flags: immutable blob
                blobs:

                value:
                        2c0000000100000000000000

Planes:
id      crtc    fb      CRTC x,y        x,y     gamma size      possible crtcs
93      100     168     0,0             0,0     0               0x00000001
  formats: RG24 BG24 AR24 AB24 RA24 BA24 XR24 XB24 RX24 BX24 RG16 BG16 AR12 AB12 RA12 BA12 AR15 AB15 RA15 BA15 AR30 AB30 RA30 BA30 NV61 NV16 YU16 YV16 NV12 NV21 YU12 YV12 YU11 YV11 P010 P210
  props:
        8 type:
                flags: immutable enum
                enums: Overlay=0 Primary=1 Cursor=2
                value: 1
        17 FB_ID:
                flags: object
                value: 168
        18 IN_FENCE_FD:
                flags: signed range
                values: -1 2147483647
                value: -1
        20 CRTC_ID:
                flags: object
                value: 100
        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:
                        01000000000000002400000018000000
                        07000000a80000005247323442473234
                        41523234414232345241323442413234
                        58523234584232345258323442583234
                        52473136424731364152313241423132
                        52413132424131324152313541423135
                        52413135424131354152333041423330
                        52413330424133304e5636314e563136
                        59553136595631364e5631324e563231
                        59553132595631325955313159563131
                        5030313050323130ffffffff0f000000
                        00000000000000006100000000000008
                        ffffffff0f0000000000000000000000
                        7200000000000008ffff3c0000000000
                        00000000000000001c00000000000092
                        ff030000000000000000000000000000
                        1d00000000000092ff03000000000000
                        00000000000000001e00000000000092
                        ff030000000000000000000000000000
                        1f00000000000092ffffffff0f000000
                        00000000000000000000000000000000
                in_formats blob decoded:
                         RG24:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         BG24:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         AR24:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         AB24:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         RA24:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         BA24:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         XR24:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         XB24:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         RX24:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         BX24:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         RG16:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         BG16:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         AR12:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         AB12:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         RA12:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         BA12:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         AR15:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         AB15:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         RA15:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         BA15:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         AR30:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         AB30:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         RA30:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         BA30:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         NV61:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         NV16:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         YU16:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         YV16:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         NV12:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         NV21:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         YU12:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         YV12:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         YU11:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         YV11:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         P010:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         P210:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
        95 alpha:
                flags: range
                values: 0 65535
                value: 65535
        96 pixel blend mode:
                flags: enum
                enums: None=2 Pre-multiplied=0 Coverage=1
                value: 2
        97 zpos:
                flags: range
                values: 0 3
                value: 0
        98 rotation:
                flags: bitmask
                values: rotate-0=0x1 rotate-90=0x2 rotate-180=0x4 rotate-270=0x8 reflect-x=0x10 reflect-y=0x20
                value: 1
        67 COLOR:
                flags: signed range
                values: 0 4294967295
                value: 0
        32 FRONTEND_DATA:
                flags: blob
                blobs:

                value:

                to many value,use '-z' show all data

        35 EOTF:
                flags: signed range
                values: 0 20
                value: 1
        36 COLOR_SPACE:
                flags: signed range
                values: 0 20
                value: 1
        39 COLOR_RANGE:
                flags: signed range
                values: 0 20
                value: 1
        41 compressed_image_crop:
                flags: range
                values: 0 983103
                value: 0
        31 FEATURE:
                flags: immutable blob
                blobs:

                value:
                        3d000000010400000010000000100000
                        000800000100000000000000
101     0       0       0,0             0,0     0               0x00000001
  formats: RG24 BG24 AR24 AB24 RA24 BA24 XR24 XB24 RX24 BX24 RG16 BG16 AR12 AB12 RA12 BA12 AR15 AB15 RA15 BA15 AR30 AB30 RA30 BA30 NV61 NV16 YU16 YV16 NV12 NV21 YU12 YV12 YU11 YV11 P010 P210
  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:
                        01000000000000002400000018000000
                        05000000a80000005247323442473234
                        41523234414232345241323442413234
                        58523234584232345258323442583234
                        52473136424731364152313241423132
                        52413132424131324152313541423135
                        52413135424131354152333041423330
                        52413330424133304e5636314e563136
                        59553136595631364e5631324e563231
                        59553132595631325955313159563131
                        5030313050323130ffff3c0000000000
                        00000000000000001c00000000000092
                        ff030000000000000000000000000000
                        1d00000000000092ff03000000000000
                        00000000000000001e00000000000092
                        ff030000000000000000000000000000
                        1f00000000000092ffffffff0f000000
                        00000000000000000000000000000000
                in_formats blob decoded:
                         RG24:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         BG24:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         AR24:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         AB24:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         RA24:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         BA24:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         XR24:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         XB24:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         RX24:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         BX24:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         RG16:  (UNKNOWN MODIFIER) LINEAR
                         BG16:  (UNKNOWN MODIFIER) LINEAR
                         AR12:  (UNKNOWN MODIFIER) LINEAR
                         AB12:  (UNKNOWN MODIFIER) LINEAR
                         RA12:  (UNKNOWN MODIFIER) LINEAR
                         BA12:  (UNKNOWN MODIFIER) LINEAR
                         AR15:  LINEAR
                         AB15:  LINEAR
                         RA15:  (UNKNOWN MODIFIER) LINEAR
                         BA15:  (UNKNOWN MODIFIER) LINEAR
                         AR30:  (UNKNOWN MODIFIER) LINEAR
                         AB30:  (UNKNOWN MODIFIER) LINEAR
                         RA30:  LINEAR
                         BA30:  LINEAR
                         NV61:  LINEAR
                         NV16:  LINEAR
                         YU16:  LINEAR
                         YV16:  LINEAR
                         NV12:  LINEAR
                         NV21:  LINEAR
                         YU12:  LINEAR
                         YV12:  LINEAR
                         YU11:  LINEAR
                         YV11:  LINEAR
                         P010:  LINEAR
                         P210:  LINEAR
        103 alpha:
                flags: range
                values: 0 65535
                value: 65535
        104 pixel blend mode:
                flags: enum
                enums: None=2 Pre-multiplied=0 Coverage=1
                value: 0
        105 zpos:
                flags: range
                values: 0 3
                value: 0
        67 COLOR:
                flags: signed range
                values: 0 4294967295
                value: 0
        32 FRONTEND_DATA:
                flags: blob
                blobs:

                value:

                to many value,use '-z' show all data

        35 EOTF:
                flags: signed range
                values: 0 20
                value: 1
        36 COLOR_SPACE:
                flags: signed range
                values: 0 20
                value: 1
        39 COLOR_RANGE:
                flags: signed range
                values: 0 20
                value: 0
        41 compressed_image_crop:
                flags: range
                values: 0 983103
                value: 0
        31 FEATURE:
                flags: immutable blob
                blobs:

                value:
                        0000000001040100000a0000000a0000
                        000a00000000000000000000
107     0       0       0,0             0,0     0               0x00000001
  formats: RG24 BG24 AR24 AB24 RA24 BA24 XR24 XB24 RX24 BX24 RG16 BG16 AR12 AB12 RA12 BA12 AR15 AB15 RA15 BA15
  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:
                        01000000000000001400000018000000
                        05000000680000005247323442473234
                        41523234414232345241323442413234
                        58523234584232345258323442583234
                        52473136424731364152313241423132
                        52413132424131324152313541423135
                        5241313542413135ffff0c0000000000
                        00000000000000001c00000000000092
                        ff030000000000000000000000000000
                        1d00000000000092ff03000000000000
                        00000000000000001e00000000000092
                        ff030000000000000000000000000000
                        1f00000000000092ffff0f0000000000
                        00000000000000000000000000000000
                in_formats blob decoded:
                         RG24:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         BG24:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         AR24:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         AB24:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         RA24:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         BA24:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         XR24:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         XB24:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         RX24:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         BX24:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         RG16:  (UNKNOWN MODIFIER) LINEAR
                         BG16:  (UNKNOWN MODIFIER) LINEAR
                         AR12:  (UNKNOWN MODIFIER) LINEAR
                         AB12:  (UNKNOWN MODIFIER) LINEAR
                         RA12:  (UNKNOWN MODIFIER) LINEAR
                         BA12:  (UNKNOWN MODIFIER) LINEAR
                         AR15:  LINEAR
                         AB15:  LINEAR
                         RA15:  (UNKNOWN MODIFIER) LINEAR
                         BA15:  (UNKNOWN MODIFIER) LINEAR
        109 alpha:
                flags: range
                values: 0 65535
                value: 65535
        110 pixel blend mode:
                flags: enum
                enums: None=2 Pre-multiplied=0 Coverage=1
                value: 0
        111 zpos:
                flags: range
                values: 0 3
                value: 0
        67 COLOR:
                flags: signed range
                values: 0 4294967295
                value: 0
        32 FRONTEND_DATA:
                flags: blob
                blobs:

                value:

                to many value,use '-z' show all data

        35 EOTF:
                flags: signed range
                values: 0 20
                value: 1
        36 COLOR_SPACE:
                flags: signed range
                values: 0 20
                value: 1
        39 COLOR_RANGE:
                flags: signed range
                values: 0 20
                value: 0
        41 compressed_image_crop:
                flags: range
                values: 0 983103
                value: 0
        31 FEATURE:
                flags: immutable blob
                blobs:

                value:
                        0000000001040200000a0000000a0000
                        000a00000000000000000000
113     0       0       0,0             0,0     0               0x00000001
  formats: RG24 BG24 AR24 AB24 RA24 BA24 XR24 XB24 RX24 BX24 RG16 BG16 AR12 AB12 RA12 BA12 AR15 AB15 RA15 BA15
  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:
                        01000000000000001400000018000000
                        01000000680000005247323442473234
                        41523234414232345241323442413234
                        58523234584232345258323442583234
                        52473136424731364152313241423132
                        52413132424131324152313541423135
                        5241313542413135ffff0f0000000000
                        00000000000000000000000000000000
                in_formats blob decoded:
                         RG24:  LINEAR
                         BG24:  LINEAR
                         AR24:  LINEAR
                         AB24:  LINEAR
                         RA24:  LINEAR
                         BA24:  LINEAR
                         XR24:  LINEAR
                         XB24:  LINEAR
                         RX24:  LINEAR
                         BX24:  LINEAR
                         RG16:  LINEAR
                         BG16:  LINEAR
                         AR12:  LINEAR
                         AB12:  LINEAR
                         RA12:  LINEAR
                         BA12:  LINEAR
                         AR15:  LINEAR
                         AB15:  LINEAR
                         RA15:  LINEAR
                         BA15:  LINEAR
        115 alpha:
                flags: range
                values: 0 65535
                value: 65535
        116 pixel blend mode:
                flags: enum
                enums: None=2 Pre-multiplied=0 Coverage=1
                value: 0
        117 zpos:
                flags: range
                values: 0 3
                value: 0
        67 COLOR:
                flags: signed range
                values: 0 4294967295
                value: 0
        32 FRONTEND_DATA:
                flags: blob
                blobs:

                value:

                to many value,use '-z' show all data

        35 EOTF:
                flags: signed range
                values: 0 20
                value: 1
        36 COLOR_SPACE:
                flags: signed range
                values: 0 20
                value: 1
        39 COLOR_RANGE:
                flags: signed range
                values: 0 20
                value: 0
        41 compressed_image_crop:
                flags: range
                values: 0 983103
                value: 0
        31 FEATURE:
                flags: immutable blob
                blobs:

                value:
                        00000000010403000008000000080000
                        000800000000000000000000
120     0       0       0,0             0,0     0               0x00000002
  formats: RG24 BG24 AR24 AB24 RA24 BA24 XR24 XB24 RX24 BX24 RG16 BG16 AR12 AB12 RA12 BA12 AR15 AB15 RA15 BA15 AR30 AB30 RA30 BA30 NV61 NV16 YU16 YV16 NV12 NV21 YU12 YV12 YU11 YV11 P010 P210
  props:
        8 type:
                flags: immutable enum
                enums: Overlay=0 Primary=1 Cursor=2
                value: 1
        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: 720
        16 CRTC_H:
                flags: range
                values: 0 2147483647
                value: 1280
        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: 47185920
        12 SRC_H:
                flags: range
                values: 0 4294967295
                value: 83886080
        30 IN_FORMATS:
                flags: immutable blob
                blobs:

                value:
                        01000000000000002400000018000000
                        01000000a80000005247323442473234
                        41523234414232345241323442413234
                        58523234584232345258323442583234
                        52473136424731364152313241423132
                        52413132424131324152313541423135
                        52413135424131354152333041423330
                        52413330424133304e5636314e563136
                        59553136595631364e5631324e563231
                        59553132595631325955313159563131
                        5030313050323130ffffffff0f000000
                        00000000000000000000000000000000
                in_formats blob decoded:
                         RG24:  LINEAR
                         BG24:  LINEAR
                         AR24:  LINEAR
                         AB24:  LINEAR
                         RA24:  LINEAR
                         BA24:  LINEAR
                         XR24:  LINEAR
                         XB24:  LINEAR
                         RX24:  LINEAR
                         BX24:  LINEAR
                         RG16:  LINEAR
                         BG16:  LINEAR
                         AR12:  LINEAR
                         AB12:  LINEAR
                         RA12:  LINEAR
                         BA12:  LINEAR
                         AR15:  LINEAR
                         AB15:  LINEAR
                         RA15:  LINEAR
                         BA15:  LINEAR
                         AR30:  LINEAR
                         AB30:  LINEAR
                         RA30:  LINEAR
                         BA30:  LINEAR
                         NV61:  LINEAR
                         NV16:  LINEAR
                         YU16:  LINEAR
                         YV16:  LINEAR
                         NV12:  LINEAR
                         NV21:  LINEAR
                         YU12:  LINEAR
                         YV12:  LINEAR
                         YU11:  LINEAR
                         YV11:  LINEAR
                         P010:  LINEAR
                         P210:  LINEAR
        122 alpha:
                flags: range
                values: 0 65535
                value: 65535
        123 pixel blend mode:
                flags: enum
                enums: None=2 Pre-multiplied=0 Coverage=1
                value: 0
        124 zpos:
                flags: range
                values: 0 2
                value: 0
        67 COLOR:
                flags: signed range
                values: 0 4294967295
                value: 0
        32 FRONTEND_DATA:
                flags: blob
                blobs:

                value:

                to many value,use '-z' show all data

        35 EOTF:
                flags: signed range
                values: 0 20
                value: 1
        36 COLOR_SPACE:
                flags: signed range
                values: 0 20
                value: 1
        39 COLOR_RANGE:
                flags: signed range
                values: 0 20
                value: 0
        41 compressed_image_crop:
                flags: range
                values: 0 983103
                value: 0
        31 FEATURE:
                flags: immutable blob
                blobs:

                value:
                        21000000010400000008000000080000
                        000800000000000000000000
127     0       0       0,0             0,0     0               0x00000002
  formats: RG24 BG24 AR24 AB24 RA24 BA24 XR24 XB24 RX24 BX24 RG16 BG16 AR12 AB12 RA12 BA12 AR15 AB15 RA15 BA15
  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: -360
        14 CRTC_Y:
                flags: signed range
                values: -2147483648 2147483647
                value: -640
        15 CRTC_W:
                flags: range
                values: 0 2147483647
                value: 720
        16 CRTC_H:
                flags: range
                values: 0 2147483647
                value: 1280
        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: 47185920
        12 SRC_H:
                flags: range
                values: 0 4294967295
                value: 83886080
        30 IN_FORMATS:
                flags: immutable blob
                blobs:

                value:
                        01000000000000001400000018000000
                        05000000680000005247323442473234
                        41523234414232345241323442413234
                        58523234584232345258323442583234
                        52473136424731364152313241423132
                        52413132424131324152313541423135
                        5241313542413135ffff0c0000000000
                        00000000000000001c00000000000092
                        ff030000000000000000000000000000
                        1d00000000000092ff03000000000000
                        00000000000000001e00000000000092
                        ff030000000000000000000000000000
                        1f00000000000092ffff0f0000000000
                        00000000000000000000000000000000
                in_formats blob decoded:
                         RG24:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         BG24:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         AR24:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         AB24:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         RA24:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         BA24:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         XR24:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         XB24:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         RX24:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         BX24:  (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) (UNKNOWN MODIFIER) LINEAR
                         RG16:  (UNKNOWN MODIFIER) LINEAR
                         BG16:  (UNKNOWN MODIFIER) LINEAR
                         AR12:  (UNKNOWN MODIFIER) LINEAR
                         AB12:  (UNKNOWN MODIFIER) LINEAR
                         RA12:  (UNKNOWN MODIFIER) LINEAR
                         BA12:  (UNKNOWN MODIFIER) LINEAR
                         AR15:  LINEAR
                         AB15:  LINEAR
                         RA15:  (UNKNOWN MODIFIER) LINEAR
                         BA15:  (UNKNOWN MODIFIER) LINEAR
        129 alpha:
                flags: range
                values: 0 65535
                value: 65535
        130 pixel blend mode:
                flags: enum
                enums: None=2 Pre-multiplied=0 Coverage=1
                value: 0
        131 zpos:
                flags: range
                values: 0 2
                value: 0
        67 COLOR:
                flags: signed range
                values: 0 4294967295
                value: 0
        32 FRONTEND_DATA:
                flags: blob
                blobs:

                value:

                to many value,use '-z' show all data

        35 EOTF:
                flags: signed range
                values: 0 20
                value: 1
        36 COLOR_SPACE:
                flags: signed range
                values: 0 20
                value: 1
        39 COLOR_RANGE:
                flags: signed range
                values: 0 20
                value: 0
        41 compressed_image_crop:
                flags: range
                values: 0 983103
                value: 0
        31 FEATURE:
                flags: immutable blob
                blobs:

                value:
                        0000000001040100000a0000000a0000
                        000a00000000000000000000
133     0       0       0,0             0,0     0               0x00000002
  formats: RG24 BG24 AR24 AB24 RA24 BA24 XR24 XB24 RX24 BX24 RG16 BG16 AR12 AB12 RA12 BA12 AR15 AB15 RA15 BA15
  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:
                        01000000000000001400000018000000
                        01000000680000005247323442473234
                        41523234414232345241323442413234
                        58523234584232345258323442583234
                        52473136424731364152313241423132
                        52413132424131324152313541423135
                        5241313542413135ffff0f0000000000
                        00000000000000000000000000000000
                in_formats blob decoded:
                         RG24:  LINEAR
                         BG24:  LINEAR
                         AR24:  LINEAR
                         AB24:  LINEAR
                         RA24:  LINEAR
                         BA24:  LINEAR
                         XR24:  LINEAR
                         XB24:  LINEAR
                         RX24:  LINEAR
                         BX24:  LINEAR
                         RG16:  LINEAR
                         BG16:  LINEAR
                         AR12:  LINEAR
                         AB12:  LINEAR
                         RA12:  LINEAR
                         BA12:  LINEAR
                         AR15:  LINEAR
                         AB15:  LINEAR
                         RA15:  LINEAR
                         BA15:  LINEAR
        135 alpha:
                flags: range
                values: 0 65535
                value: 65535
        136 pixel blend mode:
                flags: enum
                enums: None=2 Pre-multiplied=0 Coverage=1
                value: 0
        137 zpos:
                flags: range
                values: 0 2
                value: 0
        67 COLOR:
                flags: signed range
                values: 0 4294967295
                value: 0
        32 FRONTEND_DATA:
                flags: blob
                blobs:

                value:

                to many value,use '-z' show all data

        35 EOTF:
                flags: signed range
                values: 0 20
                value: 1
        36 COLOR_SPACE:
                flags: signed range
                values: 0 20
                value: 1
        39 COLOR_RANGE:
                flags: signed range
                values: 0 20
                value: 0
        41 compressed_image_crop:
                flags: range
                values: 0 983103
                value: 0
        31 FEATURE:
                flags: immutable blob
                blobs:

                value:
                        00000000010402000008000000080000
                        000800000000000000000000

Frame buffers:
id      size    pitch

root@A733:/# neofetch
        #####           root@A733
       #######          ---------
       ##O#O##          OS: Buildroot 2022.05 aarch64
       #######          Host: sun60iw2
     ###########        Kernel: 5.15.147
    #############       Uptime: 1 day, 23 hours, 43 mins
   ###############      Shell: sh
   ################     Resolution: 720x1280
  #################     Terminal: adb_shell
#####################   CPU: (8) @ 1.794GHz
#####################   Memory: 115MiB / 5919MiB
  #################




root@A733:/#
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