Graphics programming • Re: Only single DRM plane on 7" display

Code:

pi@raspberrypi:~ $ kmsprintConnector 0 (32) HDMI-A-1 (disconnected)  Encoder 0 (31) TMDSConnector 1 (42) HDMI-A-2 (disconnected)  Encoder 1 (41) TMDSConnector 2 (48) LVDS-1 (connected)  Encoder 2 (47) DSI    Crtc 2 (90) 1920x1080@60.83 141.200 1920/58/14/88/? 1080/8/14/14/? 61 (60.83) P|D       Plane 2 (79) fb-id: 375 (crtcs: 2) 0,0 1920x1080 -> 0,0 1920x1080 (XR24 AR24 AB24 XB24 RG16 BG16 AR15 XR15 RG24 BG24 YU16 YV16 YU24 YV24 YU12 YV12 NV12 NV21 NV16 NV61 P030 XR30 AR30 AB30 XB30 RGB8 BGR8 XR12 AR12 XB12 AB12 BX12 BA12 RX12 RA12)        FB 375 1920x1080 XR24pi@raspberrypi:~ $ 

Code:

Screen 0: minimum 16 x 16, current 1920 x 1080, maximum 32767 x 32767XWAYLAND0 connected 1920x1080+0+0 (0x23) normal (normal left inverted right x axis y axis) 286mm x 503mmIdentifier: 0x21Timestamp:  294239Subpixel:   unknownGamma:      1.0:1.0:1.0Brightness: 0.0Clones:    CRTC:       0CRTCs:      0Transform:  1.000000 0.000000 0.000000            0.000000 1.000000 0.000000            0.000000 0.000000 1.000000           filter: RANDR Emulation: 1 non-desktop: 0 supported: 0, 1  1920x1080 (0x23) 175.500MHz -HSync +VSync *current +preferred        h: width  1920 start 2048 end 2248 total 2576 skew    0 clock  68.13KHz        v: height 1080 start 1083 end 1088 total 1121           clock  60.78Hz  1440x1080 (0x24) 130.750MHz -HSync +VSync        h: width  1440 start 1528 end 1680 total 1920 skew    0 clock  68.10KHz        v: height 1080 start 1083 end 1087 total 1121           clock  60.75Hz  1400x1050 (0x25) 123.500MHz -HSync +VSync        h: width  1400 start 1488 end 1632 total 1864 skew    0 clock  66.26KHz        v: height 1050 start 1053 end 1057 total 1090           clock  60.78Hz  1280x1024 (0x26) 110.500MHz -HSync +VSync        h: width  1280 start 1368 end 1496 total 1712 skew    0 clock  64.54KHz        v: height 1024 start 1027 end 1034 total 1063           clock  60.72Hz  1280x960 (0x27) 102.750MHz -HSync +VSync        h: width  1280 start 1360 end 1488 total 1696 skew    0 clock  60.58KHz        v: height  960 start  963 end  967 total  997           clock  60.77Hz  1152x864 (0x28) 82.750MHz -HSync +VSync        h: width  1152 start 1216 end 1336 total 1520 skew    0 clock  54.44KHz        v: height  864 start  867 end  871 total  898           clock  60.62Hz  1024x768 (0x29) 65.000MHz -HSync +VSync        h: width  1024 start 1080 end 1184 total 1344 skew    0 clock  48.36KHz        v: height  768 start  771 end  775 total  798           clock  60.61Hz  800x600 (0x2a) 38.750MHz -HSync +VSync        h: width   800 start  832 end  912 total 1024 skew    0 clock  37.84KHz        v: height  600 start  603 end  607 total  624           clock  60.64Hz  640x480 (0x2b) 24.250MHz -HSync +VSync        h: width   640 start  664 end  720 total  800 skew    0 clock  30.31KHz        v: height  480 start  483 end  487 total  500           clock  60.62Hz  320x240 (0x2c)  6.000MHz -HSync +VSync        h: width   320 start  336 end  360 total  400 skew    0 clock  15.00KHz        v: height  240 start  243 end  247 total  252           clock  59.52Hz  1680x1050 (0x2d) 148.250MHz -HSync +VSync        h: width  1680 start 1784 end 1960 total 2240 skew    0 clock  66.18KHz        v: height 1050 start 1053 end 1059 total 1090           clock  60.72Hz  1440x900 (0x2e) 108.000MHz -HSync +VSync        h: width  1440 start 1528 end 1672 total 1904 skew    0 clock  56.72KHz        v: height  900 start  903 end  909 total  935           clock  60.67Hz  1280x800 (0x2f) 84.750MHz -HSync +VSync        h: width  1280 start 1352 end 1480 total 1680 skew    0 clock  50.45KHz        v: height  800 start  803 end  809 total  831           clock  60.71Hz  720x480 (0x30) 27.000MHz -HSync +VSync        h: width   720 start  744 end  808 total  896 skew    0 clock  30.13KHz        v: height  480 start  483 end  493 total  500           clock  60.27Hz  640x400 (0x31) 20.250MHz -HSync +VSync        h: width   640 start  664 end  720 total  800 skew    0 clock  25.31KHz        v: height  400 start  403 end  409 total  417           clock  60.70Hz  320x200 (0x32)  5.000MHz -HSync +VSync        h: width   320 start  336 end  360 total  400 skew    0 clock  12.50KHz        v: height  200 start  203 end  209 total  212           clock  58.96Hz  1600x900 (0x33) 120.000MHz -HSync +VSync        h: width  1600 start 1696 end 1856 total 2112 skew    0 clock  56.82KHz        v: height  900 start  903 end  908 total  935           clock  60.77Hz  1368x768 (0x34) 86.500MHz -HSync +VSync        h: width  1368 start 1440 end 1576 total 1784 skew    0 clock  48.49KHz        v: height  768 start  771 end  781 total  798           clock  60.76Hz  1280x720 (0x35) 75.500MHz -HSync +VSync        h: width  1280 start 1344 end 1472 total 1664 skew    0 clock  45.37KHz        v: height  720 start  723 end  728 total  749           clock  60.58Hz  1024x576 (0x36) 47.000MHz -HSync +VSync        h: width  1024 start 1064 end 1160 total 1296 skew    0 clock  36.27KHz        v: height  576 start  579 end  584 total  600           clock  60.44Hz  864x486 (0x37) 32.750MHz -HSync +VSync        h: width   864 start  888 end  968 total 1072 skew    0 clock  30.55KHz        v: height  486 start  489 end  494 total  506           clock  60.38Hz  720x400 (0x38) 22.500MHz -HSync +VSync        h: width   720 start  744 end  808 total  896 skew    0 clock  25.11KHz        v: height  400 start  403 end  413 total  417           clock  60.22Hz  640x350 (0x39) 17.750MHz -HSync +VSync        h: width   640 start  664 end  720 total  800 skew    0 clock  22.19KHz        v: height  350 start  353 end  363 total  366           clock  60.62HzConnector 0 (32) HDMI-A-1 (disconnected)  Encoder 0 (31) TMDSConnector 1 (42) HDMI-A-2 (disconnected)  Encoder 1 (41) TMDSConnector 2 (48) LVDS-1 (connected)  Encoder 2 (47) DSI    Crtc 2 (90) 1920x1080@60.83 141.200 1920/58/14/88/? 1080/8/14/14/? 61 (60.83) P|D       Plane 2 (79) fb-id: 375 (crtcs: 2) 0,0 1920x1080 -> 0,0 1920x1080 (XR24 AR24 AB24 XB24 RG16 BG16 AR15 XR15 RG24 BG24 YU16 YV16 YU24 YV24 YU12 YV12 NV12 NV21 NV16 NV61 P030 XR30 AR30 AB30 XB30 RGB8 BGR8 XR12 AR12 XB12 AB12 BX12 BA12 RX12 RA12)        FB 375 1920x1080 XR24Connector 2 (48) LVDS-1 (connected)   0 1920x1080@60.83  141.200 1920/58/14/88/?    1080/8/14/14/?     61 (60.83) P|D   HDMI0:             HDMI_HOTPLUG = 0x00000000HDMI1:             HDMI_HOTPLUG = 0x00000000/sys/kernel/debug/dri/1/state:plane[49]: plane-0crtc=(null)fb=0crtc-pos=0x0+0+0src-pos=0.000000x0.000000+0.000000+0.000000rotation=1normalized-zpos=0color-encoding=ITU-R BT.709 YCbCrcolor-range=YCbCr limited rangeplane[67]: plane-1crtc=(null)fb=0crtc-pos=0x0+0+0src-pos=0.000000x0.000000+0.000000+0.000000rotation=1normalized-zpos=0color-encoding=ITU-R BT.709 YCbCrcolor-range=YCbCr limited rangeplane[79]: plane-2crtc=pixelvalve-1fb=375allocated by = labwcrefcount=2format=XR24 little-endian (0x34325258)modifier=0x0size=1920x1080layers:size[0]=1920x1080pitch[0]=7680offset[0]=0obj[0]:name=0refcount=3start=001013d3size=8294400imported=nodma_addr=0x00000000d3b00000vaddr=00000000d706d641crtc-pos=1920x1080+0+0src-pos=1920.000000x1080.000000+0.000000+0.000000rotation=1normalized-zpos=0color-encoding=ITU-R BT.709 YCbCrcolor-range=YCbCr limited rangeplane[91]: plane-3crtc=(null)fb=0crtc-pos=0x0+0+0src-pos=0.000000x0.000000+0.000000+0.000000rotation=1normalized-zpos=0color-encoding=ITU-R BT.709 YCbCrcolor-range=YCbCr limited rangeplane[103]: plane-4crtc=(null)fb=0crtc-pos=0x0+0+0src-pos=0.000000x0.000000+0.000000+0.000000rotation=1normalized-zpos=0color-encoding=ITU-R BT.709 YCbCrcolor-range=YCbCr limited rangeplane[115]: plane-5crtc=(null)fb=0crtc-pos=0x0+0+0src-pos=0.000000x0.000000+0.000000+0.000000rotation=1normalized-zpos=0color-encoding=ITU-R BT.709 YCbCrcolor-range=YCbCr limited rangeplane[127]: plane-6crtc=(null)fb=0crtc-pos=0x0+0+0src-pos=0.000000x0.000000+0.000000+0.000000rotation=1normalized-zpos=1color-encoding=ITU-R BT.709 YCbCrcolor-range=YCbCr limited rangeplane[138]: plane-7crtc=(null)fb=0crtc-pos=0x0+0+0src-pos=0.000000x0.000000+0.000000+0.000000rotation=1normalized-zpos=2color-encoding=ITU-R BT.709 YCbCrcolor-range=YCbCr limited rangeplane[149]: plane-8crtc=(null)fb=0crtc-pos=0x0+0+0src-pos=0.000000x0.000000+0.000000+0.000000rotation=1normalized-zpos=3color-encoding=ITU-R BT.709 YCbCrcolor-range=YCbCr limited rangeplane[160]: plane-9crtc=(null)fb=0crtc-pos=0x0+0+0src-pos=0.000000x0.000000+0.000000+0.000000rotation=1normalized-zpos=4color-encoding=ITU-R BT.709 YCbCrcolor-range=YCbCr limited rangeplane[171]: plane-10crtc=(null)fb=0crtc-pos=0x0+0+0src-pos=0.000000x0.000000+0.000000+0.000000rotation=1normalized-zpos=5color-encoding=ITU-R BT.709 YCbCrcolor-range=YCbCr limited rangeplane[182]: plane-11crtc=(null)fb=0crtc-pos=0x0+0+0src-pos=0.000000x0.000000+0.000000+0.000000rotation=1normalized-zpos=6color-encoding=ITU-R BT.709 YCbCrcolor-range=YCbCr limited rangeplane[193]: plane-12crtc=(null)fb=0crtc-pos=0x0+0+0src-pos=0.000000x0.000000+0.000000+0.000000rotation=1normalized-zpos=7color-encoding=ITU-R BT.709 YCbCrcolor-range=YCbCr limited rangeplane[204]: plane-13crtc=(null)fb=0crtc-pos=0x0+0+0src-pos=0.000000x0.000000+0.000000+0.000000rotation=1normalized-zpos=8color-encoding=ITU-R BT.709 YCbCrcolor-range=YCbCr limited rangeplane[215]: plane-14crtc=(null)fb=0crtc-pos=0x0+0+0src-pos=0.000000x0.000000+0.000000+0.000000rotation=1normalized-zpos=9color-encoding=ITU-R BT.709 YCbCrcolor-range=YCbCr limited rangeplane[226]: plane-15crtc=(null)fb=0crtc-pos=0x0+0+0src-pos=0.000000x0.000000+0.000000+0.000000rotation=1normalized-zpos=acolor-encoding=ITU-R BT.709 YCbCrcolor-range=YCbCr limited rangeplane[237]: plane-16crtc=(null)fb=0crtc-pos=0x0+0+0src-pos=0.000000x0.000000+0.000000+0.000000rotation=1normalized-zpos=bcolor-encoding=ITU-R BT.709 YCbCrcolor-range=YCbCr limited rangeplane[248]: plane-17crtc=(null)fb=0crtc-pos=0x0+0+0src-pos=0.000000x0.000000+0.000000+0.000000rotation=1normalized-zpos=ccolor-encoding=ITU-R BT.709 YCbCrcolor-range=YCbCr limited rangeplane[259]: plane-18crtc=(null)fb=0crtc-pos=0x0+0+0src-pos=0.000000x0.000000+0.000000+0.000000rotation=1normalized-zpos=dcolor-encoding=ITU-R BT.709 YCbCrcolor-range=YCbCr limited rangeplane[270]: plane-19crtc=(null)fb=0crtc-pos=0x0+0+0src-pos=0.000000x0.000000+0.000000+0.000000rotation=1normalized-zpos=ecolor-encoding=ITU-R BT.709 YCbCrcolor-range=YCbCr limited rangeplane[281]: plane-20crtc=(null)fb=0crtc-pos=0x0+0+0src-pos=0.000000x0.000000+0.000000+0.000000rotation=1normalized-zpos=fcolor-encoding=ITU-R BT.709 YCbCrcolor-range=YCbCr limited rangeplane[292]: plane-21crtc=(null)fb=0crtc-pos=0x0+0+0src-pos=0.000000x0.000000+0.000000+0.000000rotation=1normalized-zpos=10color-encoding=ITU-R BT.709 YCbCrcolor-range=YCbCr limited rangeplane[303]: plane-22crtc=(null)fb=0crtc-pos=0x0+0+0src-pos=0.000000x0.000000+0.000000+0.000000rotation=1normalized-zpos=11color-encoding=ITU-R BT.709 YCbCrcolor-range=YCbCr limited rangeplane[314]: plane-23crtc=(null)fb=0crtc-pos=0x0+0+0src-pos=0.000000x0.000000+0.000000+0.000000rotation=1normalized-zpos=11color-encoding=ITU-R BT.709 YCbCrcolor-range=YCbCr limited rangeplane[325]: plane-24crtc=(null)fb=0crtc-pos=64x64+668+358src-pos=64.000000x64.000000+0.000000+0.000000rotation=1normalized-zpos=1color-encoding=ITU-R BT.709 YCbCrcolor-range=YCbCr limited rangeplane[336]: plane-25crtc=(null)fb=0crtc-pos=0x0+0+0src-pos=0.000000x0.000000+0.000000+0.000000rotation=1normalized-zpos=11color-encoding=ITU-R BT.709 YCbCrcolor-range=YCbCr limited rangeplane[347]: plane-26crtc=(null)fb=0crtc-pos=0x0+0+0src-pos=0.000000x0.000000+0.000000+0.000000rotation=1normalized-zpos=11color-encoding=ITU-R BT.709 YCbCrcolor-range=YCbCr limited rangeplane[358]: plane-27crtc=(null)fb=0crtc-pos=0x0+0+0src-pos=0.000000x0.000000+0.000000+0.000000rotation=1normalized-zpos=11color-encoding=ITU-R BT.709 YCbCrcolor-range=YCbCr limited rangecrtc[60]: txpenable=0active=0self_refresh_active=0planes_changed=0mode_changed=0active_changed=0connectors_changed=0color_mgmt_changed=0plane_mask=0connector_mask=0encoder_mask=0mode: "": 0 0 0 0 0 0 0 0 0 0 0x0 0x0crtc[78]: pixelvalve-0enable=0active=0self_refresh_active=0planes_changed=0mode_changed=0active_changed=0connectors_changed=0color_mgmt_changed=0plane_mask=0connector_mask=0encoder_mask=0mode: "": 0 0 0 0 0 0 0 0 0 0 0x0 0x0crtc[90]: pixelvalve-1enable=1active=1self_refresh_active=0planes_changed=1mode_changed=0active_changed=0connectors_changed=0color_mgmt_changed=0plane_mask=4connector_mask=4encoder_mask=4mode: "1920x1080": 61 141200 1920 1978 1992 2080 1080 1088 1102 1116 0x48 0x0crtc[102]: pixelvalve-2enable=0active=0self_refresh_active=0planes_changed=0mode_changed=0active_changed=0connectors_changed=0color_mgmt_changed=0plane_mask=0connector_mask=0encoder_mask=0mode: "": 0 0 0 0 0 0 0 0 0 0 0x0 0x0crtc[114]: pixelvalve-4enable=0active=0self_refresh_active=0planes_changed=0mode_changed=0active_changed=0connectors_changed=0color_mgmt_changed=0plane_mask=0connector_mask=0encoder_mask=0mode: "": 0 0 0 0 0 0 0 0 0 0 0x0 0x0crtc[126]: pixelvalve-3enable=0active=0self_refresh_active=0planes_changed=0mode_changed=0active_changed=0connectors_changed=0color_mgmt_changed=0plane_mask=0connector_mask=0encoder_mask=0mode: "": 0 0 0 0 0 0 0 0 0 0 0x0 0x0connector[32]: HDMI-A-1crtc=(null)self_refresh_aware=0max_requested_bpc=8colorspace=Defaultconnector[42]: HDMI-A-2crtc=(null)self_refresh_aware=0max_requested_bpc=8colorspace=Defaultconnector[48]: LVDS-1crtc=pixelvalve-1self_refresh_aware=0max_requested_bpc=0colorspace=Defaultconnector[66]: Writeback-1crtc=(null)self_refresh_aware=0max_requested_bpc=0colorspace=Default