root@puma-debos:~# modetest -M rockchip
Encoders:
id	crtc	type	possible crtcs	possible clones	
52	38	TMDS	0x00000003	0x00000001

Connectors:
id	encoder	status		name		size (mm)	modes	encoders
53	52	connected	HDMI-A-1       	330x220		9	52
  modes:
	index name refresh (Hz) hdisp hss hse htot vdisp vss vse vtot
  #0 3840x2160 24.00 3840 5116 5204 5500 2160 2168 2178 2250 297000 flags: phsync, pvsync; type: driver
  #1 1920x1080 60.00 1920 2008 2052 2200 1080 1084 1089 1125 148500 flags: phsync, pvsync; type: driver
  #2 1920x1080i 30.00 1920 2008 2052 2200 1080 1084 1094 1125 74250 flags: phsync, pvsync, interlace; type: driver
  #3 1920x1080 50.00 1920 2448 2492 2640 1080 1084 1089 1125 148500 flags: phsync, pvsync; type: driver
  #4 1920x1080 24.00 1920 2558 2602 2750 1080 1084 1089 1125 74250 flags: phsync, pvsync; type: driver
  #5 1280x720 60.00 1280 1390 1430 1650 720 725 730 750 74250 flags: phsync, pvsync; type: driver
  #6 1280x720 50.00 1280 1720 1760 1980 720 725 730 750 74250 flags: phsync, pvsync; type: driver
  #7 1024x768 60.00 1024 1048 1184 1344 768 771 777 806 65000 flags: nhsync, nvsync; type: driver
  #8 720x576 50.00 720 732 796 864 576 581 586 625 27000 flags: nhsync, nvsync; type: driver
  props:
	1 EDID:
		flags: immutable blob
		blobs:

		value:
			00ffffffffffff002dc83b2a01010101
			1c200103802116783a9154a357609a24
			0e4e550308009500950081004540a9c0
			b30081808bc07d4b80a072b02d4050c8
			4648fe221100001e023a801871382d40
			582c450059c21000001e000000fd0032
			411ea024000a202020202020000000fc
			0031302e3127206d6f6e69746f72011e
			02032cf14c90200513045d041205111f
			10230907078301000067030c00100038
			44e305e301e60607014e505a011d0072
			51d01e206e285500dfa42100001e0000
			00000000000000000000000000000000
			00000000000000000000000000000000
			00000000000000000000000000000000
			000000000000000000000000000000fa
	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:
	54 max bpc:
		flags: range
		values: 8 16
		value: 0
	7 HDR_OUTPUT_METADATA:
		flags: blob
		blobs:

		value:

CRTCs:
id	fb	pos	size
38	56	(0,0)	(3840x2160)
  #0 3840x2160 24.00 3840 5116 5204 5500 2160 2168 2178 2250 297000 flags: phsync, pvsync; type: driver
  props:
	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
51	0	(0,0)	(0x0)
  #0  nan 0 0 0 0 0 0 0 0 0 flags: ; type:
  props:
	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
32	38	56	0,0		0,0	0       	0x00000001
  formats: XR24 AR24 XB24 AB24 RG24 BG24 RG16 BG16 NV12 NV21 NV16 NV61 NV24 NV42 NV15 NV20 NV30
  props:
	8 type:
		flags: immutable enum
		enums: Overlay=0 Primary=1 Cursor=2
		value: 1
	30 IN_FORMATS:
		flags: immutable blob
		blobs:

		value:
			01000000000000001100000018000000
			02000000600000005852323441523234
			58423234414232345247323442473234
			52473136424731364e5631324e563231
			4e5631364e5636314e5632344e563432
			4e5631354e5632304e56333000000000
			ff000000000000000000000000000000
			5100000000000008ffff010000000000
			00000000000000000000000000000000
		in_formats blob decoded:
			 XR24:  ARM_BLOCK_SIZE=16x16,MODE=YTR|SPARSE LINEAR
			 AR24:  ARM_BLOCK_SIZE=16x16,MODE=YTR|SPARSE LINEAR
			 XB24:  ARM_BLOCK_SIZE=16x16,MODE=YTR|SPARSE LINEAR
			 AB24:  ARM_BLOCK_SIZE=16x16,MODE=YTR|SPARSE LINEAR
			 RG24:  ARM_BLOCK_SIZE=16x16,MODE=YTR|SPARSE LINEAR
			 BG24:  ARM_BLOCK_SIZE=16x16,MODE=YTR|SPARSE LINEAR
			 RG16:  ARM_BLOCK_SIZE=16x16,MODE=YTR|SPARSE LINEAR
			 BG16:  ARM_BLOCK_SIZE=16x16,MODE=YTR|SPARSE LINEAR
			 NV12:  LINEAR
			 NV21:  LINEAR
			 NV16:  LINEAR
			 NV61:  LINEAR
			 NV24:  LINEAR
			 NV42:  LINEAR
			 NV15:  LINEAR
			 NV20:  LINEAR
			 NV30:  LINEAR
	34 rotation:
		flags: bitmask
		values: rotate-0=0x1 reflect-x=0x10 reflect-y=0x20
		value: 1
35	0	0	0,0		0,0	0       	0x00000001
  formats: XR24 AR24 XB24 AB24 RG24 BG24 RG16 BG16
  props:
	8 type:
		flags: immutable enum
		enums: Overlay=0 Primary=1 Cursor=2
		value: 2
	30 IN_FORMATS:
		flags: immutable blob
		blobs:

		value:
			01000000000000000800000018000000
			01000000380000005852323441523234
			58423234414232345247323442473234
			5247313642473136ff00000000000000
			00000000000000000000000000000000
		in_formats blob decoded:
			 XR24:  LINEAR
			 AR24:  LINEAR
			 XB24:  LINEAR
			 AB24:  LINEAR
			 RG24:  LINEAR
			 BG24:  LINEAR
			 RG16:  LINEAR
			 BG16:  LINEAR
	37 rotation:
		flags: bitmask
		values: rotate-0=0x1 reflect-y=0x20
		value: 1
39	0	0	0,0		0,0	0       	0x00000001
  formats: XR24 AR24 XB24 AB24 RG24 BG24 RG16 BG16 NV12 NV21 NV16 NV61 NV24 NV42 NV15 NV20 NV30
  props:
	8 type:
		flags: immutable enum
		enums: Overlay=0 Primary=1 Cursor=2
		value: 0
	30 IN_FORMATS:
		flags: immutable blob
		blobs:

		value:
			01000000000000001100000018000000
			01000000600000005852323441523234
			58423234414232345247323442473234
			52473136424731364e5631324e563231
			4e5631364e5636314e5632344e563432
			4e5631354e5632304e56333000000000
			ffff0100000000000000000000000000
			0000000000000000
		in_formats blob decoded:
			 XR24:  LINEAR
			 AR24:  LINEAR
			 XB24:  LINEAR
			 AB24:  LINEAR
			 RG24:  LINEAR
			 BG24:  LINEAR
			 RG16:  LINEAR
			 BG16:  LINEAR
			 NV12:  LINEAR
			 NV21:  LINEAR
			 NV16:  LINEAR
			 NV61:  LINEAR
			 NV24:  LINEAR
			 NV42:  LINEAR
			 NV15:  LINEAR
			 NV20:  LINEAR
			 NV30:  LINEAR
	41 rotation:
		flags: bitmask
		values: rotate-0=0x1 reflect-x=0x10 reflect-y=0x20
		value: 1
42	0	0	0,0		0,0	0       	0x00000001
  formats: XR24 AR24 XB24 AB24 RG24 BG24 RG16 BG16
  props:
	8 type:
		flags: immutable enum
		enums: Overlay=0 Primary=1 Cursor=2
		value: 0
	30 IN_FORMATS:
		flags: immutable blob
		blobs:

		value:
			01000000000000000800000018000000
			01000000380000005852323441523234
			58423234414232345247323442473234
			5247313642473136ff00000000000000
			00000000000000000000000000000000
		in_formats blob decoded:
			 XR24:  LINEAR
			 AR24:  LINEAR
			 XB24:  LINEAR
			 AB24:  LINEAR
			 RG24:  LINEAR
			 BG24:  LINEAR
			 RG16:  LINEAR
			 BG16:  LINEAR
	44 rotation:
		flags: bitmask
		values: rotate-0=0x1 reflect-y=0x20
		value: 1
45	0	0	0,0		0,0	0       	0x00000002
  formats: XR24 AR24 XB24 AB24 RG24 BG24 RG16 BG16 NV12 NV21 NV16 NV61 NV24 NV42
  props:
	8 type:
		flags: immutable enum
		enums: Overlay=0 Primary=1 Cursor=2
		value: 1
	30 IN_FORMATS:
		flags: immutable blob
		blobs:

		value:
			01000000000000000e00000018000000
			01000000500000005852323441523234
			58423234414232345247323442473234
			52473136424731364e5631324e563231
			4e5631364e5636314e5632344e563432
			ff3f0000000000000000000000000000
			0000000000000000
		in_formats blob decoded:
			 XR24:  LINEAR
			 AR24:  LINEAR
			 XB24:  LINEAR
			 AB24:  LINEAR
			 RG24:  LINEAR
			 BG24:  LINEAR
			 RG16:  LINEAR
			 BG16:  LINEAR
			 NV12:  LINEAR
			 NV21:  LINEAR
			 NV16:  LINEAR
			 NV61:  LINEAR
			 NV24:  LINEAR
			 NV42:  LINEAR
	47 rotation:
		flags: bitmask
		values: rotate-0=0x1 reflect-x=0x10 reflect-y=0x20
		value: 1
48	0	0	0,0		0,0	0       	0x00000002
  formats: XR24 AR24 XB24 AB24 RG24 BG24 RG16 BG16
  props:
	8 type:
		flags: immutable enum
		enums: Overlay=0 Primary=1 Cursor=2
		value: 2
	30 IN_FORMATS:
		flags: immutable blob
		blobs:

		value:
			01000000000000000800000018000000
			01000000380000005852323441523234
			58423234414232345247323442473234
			5247313642473136ff00000000000000
			00000000000000000000000000000000
		in_formats blob decoded:
			 XR24:  LINEAR
			 AR24:  LINEAR
			 XB24:  LINEAR
			 AB24:  LINEAR
			 RG24:  LINEAR
			 BG24:  LINEAR
			 RG16:  LINEAR
			 BG16:  LINEAR
	50 rotation:
		flags: bitmask
		values: rotate-0=0x1 reflect-y=0x20
		value: 1

Frame buffers:
id	size	pitch