分享Rockchip FAQ DRM Hardware Composer

前言................................................................................................................................................................................ III
目录................................................................................................................................................................................. IV
1 图形通用调试手段介绍........................................................................................................................................... 1
1.1 SurfaceFlinger............................................................................................................................................... 1
1.1.1 Dumpsys SurfaceFlinger...............................................................................................................1
1.1.2 Printf mFps.........................................................................................................................................4
1.2 Hardware Composer...................................................................................................................................5
1.2.1 HWC version...................................................................................................................................... 5
1.2.2 Enable/disable HWC....................................................................................................................... 5
1.2.3 DumpSurface.................................................................................................................................... 6
1.2.4 Hwc log................................................................................................................................................ 7
1.2.5 Close releaseFence......................................................................................................................... 7
1.2.6 Modetest............................................................................................................................................. 8
1.3 Gralloc.............................................................................................................................................................. 9
1.3.1 Disable afbdc.....................................................................................................................................9
1.4 Systrace........................................................................................................................................................ 10
1.5 调频调压.........................................................................................................................................................10
1.6 通用异常日志分析.........................................................................................................................................11
1.6.1 ANR 日志............................................................................................................................................11
1.6.2 Crash 日志........................................................................................................................................11
1.6.3 Fence Timeout................................................................................................................................14
2 F A Q......................................................................................................................................................................15
2.1 流畅性问题.....................................................................................................................................................15
2.1.1 视频卡顿.............................................................................................................................................15
2.1.1.1 视频卡顿- 4K hdr or 10bit............................................................................................ 16
2.1.1.2 视频卡顿- 4K......................................................................................................................17
2.1.2 操作卡顿、延时.................................................................................................................................18
2.1.2.1 界面操作卡顿........................................................................................................................ 18
2.1.2.2 手写痕迹不跟手.................................................................................................................... 21
2.2 显示问题.........................................................................................................................................................22
2.2.1 显示错误.............................................................................................................................................22
2.2.1.1 花屏.........................................................................................................................................23
2.2.1.2 闪屏、黑屏............................................................................................................................ 24
2.2.1.3 画面卡住.................................................................................................................................25
2.2.1.4 Crash 重启问题....................................................................................................................28
2.3 主副屏相关.....................................................................................................................................................30
2.3.1.1 主副屏设置............................................................................................................................ 30
2.3.1.2 主副屏开机无显示.................................................................................................................... 32
2.3.1.3 主副屏分辨率设置问题........................................................................................................ 32

Rockchip FAQ DRM Hardware Composer V1.00-20181213.pdf (3.11 MB, 下载次数: 0)

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