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发表于 2021-7-26 15:07:44
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沙发
本帖最后由 firefly_zhongw 于 2021-7-26 15:19 编辑
1. 从log看,没有识别到HDMI显示器
2. 换个HDMI显示器或者HDMI线试一下或者重新插拔下HDMI
3. HDMI正常显示时,cat /d/dri/0/summary 会有如下信息的
- cat /d/dri/0/summary
- Video Port0: ACTIVE
- Connector: HDMI-A-1
- bus_format[2025]: YUV8_1X24
- overlay_mode[1] output_mode[f] color_space[3]
- Display mode: 3840x2160p60
- clk[594000] real_clk[594000] type[48] flag[5]
- H: 3840 4016 4104 4400
- V: 2160 2168 2178 2250
- Cluster0-win0: ACTIVE
- win_id: 0
- format: XB24 little-endian (0x34324258)[AFBC] SDR[0] color_space[0] glb_alpha[0xff]
- rotate: xmirror: 0 ymirror: 0 rotate_90: 0 rotate_270: 0
- csc: y2r[0] r2y[1] csc mode[1]
- zpos: 0
- src: pos[58, 313] rect[1164 x 654]
- dst: pos[0, 0] rect[3840 x 2160]
- buf[0]: addr: 0x000000000400e000 pitch: 5120 offset: 0
- Cluster1-win0: ACTIVE
- win_id: 2
- format: AB24 little-endian (0x34324241)[AFBC] SDR[0] color_space[0] glb_alpha[0xff]
- rotate: xmirror: 0 ymirror: 0 rotate_90: 0 rotate_270: 0
- csc: y2r[0] r2y[1] csc mode[1]
- zpos: 1
- src: pos[0, 0] rect[1920 x 1080]
- dst: pos[0, 0] rect[3840 x 2160]
- buf[0]: addr: 0x0000000002fde000 pitch: 7680 offset: 0
- Esmart0-win0: ACTIVE
- win_id: 4
- format: AB24 little-endian (0x34324241) SDR[0] color_space[0] glb_alpha[0xff]
- rotate: xmirror: 0 ymirror: 0 rotate_90: 0 rotate_270: 0
- csc: y2r[0] r2y[1] csc mode[1]
- zpos: 2
- src: pos[0, 0] rect[1920 x 42]
- dst: pos[0, 0] rect[3840 x 84]
- buf[0]: addr: 0x00000000020cf000 pitch: 7680 offset: 0
- Esmart0-win1: ACTIVE
- win_id: 4
- format: AB24 little-endian (0x34324241) SDR[0] color_space[0] glb_alpha[0xff]
- rotate: xmirror: 0 ymirror: 0 rotate_90: 0 rotate_270: 0
- csc: y2r[0] r2y[1] csc mode[1]
- zpos: 2
- src: pos[0, 0] rect[1920 x 84]
- dst: pos[0, 1992] rect[3840 x 168]
- buf[0]: addr: 0x0000000002031000 pitch: 7680 offset: 0
- Video Port1: DISABLED
- Video Port2: DISABLED
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