遇到以下报错

[  255.746307] DVFS ERR:	dvfs_target:dvfs clk(clk_core) rate 1608000000hz is not support
[  255.763912] DVFS ERR:	dvfs_target:dvfs clk(clk_core) rate 1608000000hz is not support
[  255.767346] DVFS ERR:	dvfs_target:dvfs clk(clk_core) rate 1608000000hz is not support
[  255.786416] DVFS ERR:	dvfs_target:dvfs clk(clk_core) rate 1608000000hz is not support
[  255.788915] DVFS ERR:	dvfs_target:dvfs clk(clk_core) rate 1608000000hz is not support
[  255.809270] DVFS ERR:	dvfs_target:dvfs clk(clk_core) rate 1608000000hz is not support
[  255.823051] DVFS ERR:	dvfs_target:dvfs clk(clk_core) rate 1608000000hz is not support
[  255.823098] DVFS ERR:	dvfs_target:dvfs clk(clk_core) rate 1608000000hz is not support
[  256.022155] type=1400 audit(1668234470.620:121): avc: denied { read } for pid=189 comm="AudioOut_D" name="audioinfo" dev="sysfs" ino=9187 scontext=u:r:audioserver:s0 tcontext=u:object_r:sysfs_hdmi:s0 tclass=file permissive=1
[  256.032552] type=1400 audit(1668234470.620:122): avc: denied { open } for pid=189 comm="AudioOut_D" path="/sys/devices/virtual/display/HDMI/audioinfo" dev="sysfs" ino=9187 scontext=u:r:audioserver:s0 tcontext=u:object_r:sysfs_hdmi:s0 tclass=file permissive=1
[  256.032954] type=1400 audit(1668234470.620:123): avc: denied { getattr } for pid=189 comm="AudioOut_D" path="/sys/devices/virtual/display/HDMI/audioinfo" dev="sysfs" ino=9187 scontext=u:r:audioserver:s0 tcontext=u:object_r:sysfs_hdmi:s0 tclass=file permissive=1
[  257.318574] DVFS ERR:	dvfs_target:dvfs clk(clk_core) rate 1608000000hz is not support
[  257.318624] DVFS ERR:	dvfs_target:dvfs clk(clk_core) rate 1608000000hz is not support
[  257.318648] DVFS ERR:	dvfs_target:dvfs clk(clk_core) rate 1608000000hz is not support
[  257.328466] DVFS ERR:	dvfs_target:dvfs clk(clk_core) rate 1608000000hz is not support
[  257.328988] DVFS ERR:	dvfs_target:dvfs clk(clk_core) rate 1608000000hz is not support
[  257.338323] DVFS ERR:	dvfs_target:dvfs clk(clk_core) rate 1608000000hz is not support
[  257.338362] DVFS ERR:	dvfs_target:dvfs clk(clk_core) rate 1608000000hz is not support
[  257.338435] DVFS ERR:	dvfs_target:dvfs clk(clk_core) rate 1608000000hz is not support
[  257.348151] DVFS ERR:	dvfs_target:dvfs clk(clk_core) rate 1608000000hz is not support
[  257.358280] DVFS ERR:	dvfs_target:dvfs clk(clk_core) rate 1608000000hz is not support
[  257.360787] DVFS ERR:	dvfs_target:dvfs clk(clk_core) rate 1608000000hz is not support
[  257.367932] DVFS ERR:	dvfs_target:dvfs clk(clk_core) rate 1608000000hz is not support
[  257.377775] DVFS ERR:	dvfs_target:dvfs clk(clk_core) rate 1608000000hz is not support
[  257.377832] DVFS ERR:	dvfs_target:dvfs clk(clk_core) rate 1608000000hz is not support
[  257.387759] DVFS ERR:	dvfs_target:dvfs clk(clk_core) rate 1608000000hz is not support
[  257.397798] DVFS ERR:	dvfs_target:dvfs clk(clk_core) rate 1608000000hz is not support
[  257.397890] DVFS ERR:	dvfs_target:dvfs clk(clk_core) rate 1608000000hz is not support
[  257.407680] DVFS ERR:	dvfs_target:dvfs clk(clk_core) rate 1608000000hz is not support
[  257.417241] DVFS ERR:	dvfs_target:dvfs clk(clk_core) rate 1608000000hz is not support
[  257.417314] DVFS ERR:	dvfs_target:dvfs clk(clk_core) rate 1608000000hz is not support
[  258.996919] DVFS ERR:	dvfs_target:dvfs clk(clk_core) rate 1608000000hz is not support
[  259.011158] DVFS ERR:	dvfs_target:dvfs clk(clk_core) rate 1608000000hz is not support

然后研究DVFS的报错和HDMI有关

于是定频解决了这个问题

 然后就不报错了