LVGL8打开G2D报错

[waterworld]

root@TinaLinux:/# lv_g2d_test 
lv_g2d_test 0 5 0 1
one num is rotate, range is 0~3
tow num is gif, range is 0~11[   11.745762] VE: enable hw clock
, 11 is no show gif
three num i[   11.751120] enable_cedar_hw_clk,552
s bmp, range is 0~2, 2 is no show bmp
four num is png, range is 0~3, 3 is no show png
wh=800x1280, vwh=800x2560, bpp=32, rotated=0
Turn on double buffering.
Turn on 2d hardware acceleration.
Turn on 2d hardware acceleration fill.
Turn on 2d hardware acceleration blit.
Turn on 2d hardware acceleration blend.
Turn on 2d hardware acceleration scale.
Turn on 2d hardware acceleration rotate.
unable open evdev interface:: No such file or directory
[   12.060479] [G2D]dma_buf_get failed, fd=0
[   12.065004] [G2D] (g2d_set_image_addr) line:398: map dst fail!
[   12.071501] [G2D] (g2d_mixer_mem_setup) line:517: Frame:0 setupt fail!
[   12.078869] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000008
[   12.088699] Oops [#1]
[   12.091223] Modules linked in:
[   12.094628] CPU: 0 PID: 937 Comm: lv_g2d_test Not tainted 5.4.61 #224
[   12.101787] sepc: ffffffe00020699a ra : ffffffe00020698e sp : ffffffe002a038b0
[   12.109814]  gp : ffffffe0005af350 tp : ffffffe0039e4080 t0 : ffffffe0005bd2e8
[   12.117843]  t1 : ffffffe000074db6 t2 : 0000000000000000 s0 : ffffffe001920d80
[   12.125871]  s1 : 0000000000000001 a0 : ffffffe000584770 a1 : ffffffe003fb31b8
[   12.133897]  a2 : ffffffe002a51e00 a3 : ffffffe002a51e00 a4 : 0000000000000000
[   12.141925]  a5 : 0000000000000000 a6 : ffffffe000c68040 a7 : 0000000000000468
[   12.149952]  s2 : ffffffe00045cec8 s3 : ffffffe0004bd720 s4 : ffffffe0005d5350
[   12.157978]  s5 : ffffffe002a03998 s6 : ffffffe000206a92 s7 : ffffffe0002069fc
[   12.166004]  s8 : ffffffe000206902 s9 : ffffffe0002071ca s10: ffffffe0002068c4
[   12.174029]  s11: 0000000000000000 t3 : ffffffffffffffff t4 : ffffffe003f1f000
[   12.182056]  t5 : 0000000000040000 t6 : ffffffe0005b9099
[   12.187957] sstatus: 0000000200000120 sbadaddr: 0000000000000008 scause: 000000000000000f
[   12.197126] ---[ end trace e00e47a9780c0019 ]---

f133使用tina自带的测试程序，报下面错误，可能是什么原因呀？内核是5.4的

[anruliu]

@waterworld 大概率是lvgl中用的g2d头文件与内核中的g2d头文件有些差异导致

lv_drivers/display/sunxig2d.h

[waterworld]

问题已解决，解决方式参考：
https://bbs.aw-ol.com/topic/1681

修改package\gui\littlevgl-8\lv_drivers\display\g2d_driver_enh.h，是由于头文件不一致导致的

[ubuntu]

@waterworld 在 LVGL8打开G2D报错 中说：

问题已解决，解决方式参考：
https://bbs.aw-ol.com/topic/1681

修改package\gui\littlevgl-8\lv_drivers\display\g2d_driver_enh.h，是由于头文件不一致导致的

对，我也发现了。