topic Re: imx6q (sabresd based design) g2d_open: fail with status -24 in i.MX Processors

imx6q (sabresd based design) g2d_open: fail with status -24

daharingwitekio — Wed, 29 Nov 2023 21:56:18 GMT

I have a imx6q-sabresd based board with wayland weston (also another image that uses xwayland). I'm able to start and use weston, but only when using pixman (CPU graphics). When I try to start weston with the default settings (ie with --use-g2d=1) which uses the GL rendering, I get the following error:

[21:29:08.220] Command line: weston ---debug --tty=1 --device=/dev/fb0 --use-g2d=1 --log=/tmp/weston.log [21:29:08.220] OS: Linux, 6.1.36-custom-machine+gfd5321d928cc, #1 SMP PREEMPT Mon Nov 27 17:22:40 PST 2023, armv7l [21:29:08.221] Flight recorder: enabled [21:29:08.221] Using config file '/etc/xdg/weston/weston.ini' [21:29:08.221] Output repaint window is 7 ms maximum. [21:29:08.221] Loading module '/usr/lib/libweston-10/fbdev-backend.so' [21:29:08.227] initializing fbdev backend [21:29:08.227] warning: the fbdev backend is deprecated, please migrate to the DRM backend [21:29:08.228] Trying weston_launch launcher... [21:29:08.228] could not get launcher fd from env [21:29:08.228] Trying direct launcher... [21:29:08.236] Loading module '/usr/lib/libweston-10/g2d-renderer.so' [21:29:08.249] g2d_open fail. [21:29:08.249] g2d_renderer_create failed.

Upon further investigation, I tried to run the provided imx-g2d-samples starting with just /opt/g2d_samples/g2d_basic_test but I'm always met with the following error:

[ 1] HAL user version: 6.4.11.658245 [ 2] HAL kernel version: 6.4.11.684571 g2d_open: fail with status -24 g2d_open fail.

Since the G2D library is NXP proprietary (source code not provided), we were unable to dig into the error which seems to be coming from the library.

---
Additionally, if I disable g2d, I get an ELG error instead. See below:

[21:36:29.690] Command line: weston ---debug --tty=1 --device=/dev/fb0 --use-g2d=0 --log=/tmp/weston.log [21:36:29.690] OS: Linux, 6.1.36-custom-machine+gfd5321d928cc, #1 SMP PREEMPT Mon Nov 27 17:22:40 PST 2023, armv7l [21:36:29.690] Flight recorder: enabled [21:36:29.690] Using config file '/etc/xdg/weston/weston.ini' [21:36:29.690] Output repaint window is 7 ms maximum. [21:36:29.691] Loading module '/usr/lib/libweston-10/fbdev-backend.so' [21:36:29.697] initializing fbdev backend [21:36:29.697] warning: the fbdev backend is deprecated, please migrate to the DRM backend [21:36:29.697] Trying weston_launch launcher... [21:36:29.697] could not get launcher fd from env [21:36:29.697] Trying direct launcher... [21:36:29.697] Loading module '/usr/lib/libweston-10/gl-renderer.so' [21:36:29.710] EGL client extensions: EGL_EXT_client_extensions EGL_EXT_platform_base EGL_KHR_platform_wayland EGL_EXT_platform_wayland EGL_EXT_device_query [21:36:29.710] warning: either no EGL_EXT_platform_base support or specific platform support; falling back to eglGetDisplay. [21:36:29.710] failed to initialize display [21:36:29.710] EGL error state: EGL_NOT_INITIALIZED (0x3001) [21:36:29.710] gl_renderer_create failed. [21:36:29.785] BUG: layer_list is not empty after shutdown. Calls to weston_layer_fini() are missing somwhere.

I also see

[ 1] HAL user version: 6.4.11.658245 [ 2] HAL kernel version: 6.4.11.684571 free(): double free detected in tcache 2

In the terminal after running the weston command, but not in the weston log file.

Keep in mind that if I use `--use-pixman`, then weston is able to start and run fine.

---

I have added the `kernel-module-imx-gpu-viv` package to my image, and enabled
`CONFIG_MXC_GPU_VIV=y`
in my defconfig.

I've tried adding many different packages based on reference images (such as
mesa,
imx-gpu-g2d,
imx-gpu-viv,
packagegroup-fsl-tools-gpu,
packagegroup-fsl-gstreamer1.0,
etc)
but I have been unable to get graphics acceleration to work.

Can anyone provide any insight into this issue or what I might be missing?

Re: imx6q (sabresd based design) g2d_open: fail with status -24

Zhiming_Liu — Thu, 30 Nov 2023 04:25:45 GMT

Hi @daharingwitekio

Please check the GPU setting in dts and kernel driver. You can refer the EVK dts and kernel.

This error more likely relates to driver

Re: imx6q (sabresd based design) g2d_open: fail with status -24

daharingwitekio — Thu, 30 Nov 2023 05:19:08 GMT

As far as I'm aware, I have the necessary DTS entries. I used the imx6q-sabresd.dts as a reference.

I do have the following entries (this is everything that should be related to graphics/display that I have):

#include "imx6q.dtsi" #include <dt-bindings/clock/imx6qdl-clock.h> ... ... / { mxcfb1: fb@0 { compatible = "fsl,mxc_sdc_fb"; disp_dev = "ldb"; interface_pix_fmt = "RGB666"; default_bpp = <16>; int_clk = <0>; late_init = <0>; status = "okay"; }; ... ... }; &dcic1 { dcic_id = <0>; dcic_mux = "dcic-hdmi"; status = "disabled"; }; &dcic2 { dcic_id = <1>; dcic_mux = "dcic-lvds1"; status = "okay"; }; &ldb { status = "okay"; lvds-channel@0 { status = "okay"; fsl,data-mapping = "spwg"; fsl,data-width = <18>; crtc = "ipu2-di0"; primary; display-timings { /* default display timings */ native-mode = <&timing1>; /* display timings */ timing1: ourdisplay { ..... ..... }; }; }; lvds-channel@1 { crtc = "ipu2-di1"; status = "disabled"; }; }; &gpc { fsl,ldo-bypass = <1>; }; &reg_arm { vin-supply = <&sw1a_reg>; }; &reg_pu { vin-supply = <&sw1c_reg>; }; &reg_soc { vin-supply = <&sw1c_reg>; }; &reg_vdd1p1 { vin-supply = <&vgen5_reg>; }; &reg_vdd2p5 { vin-supply = <&vgen5_reg>; }; &clks { assigned-clocks = <&clks IMX6QDL_CLK_LDB_DI0_SEL>, <&clks IMX6QDL_CLK_LDB_DI1_SEL>; assigned-clock-parents = <&clks IMX6QDL_CLK_PLL2_PFD0_352M>, <&clks IMX6QDL_CLK_PLL2_PFD0_352M>; }; ... ...

Is there anything that seems to be missing? As far as I can tell, I have everything important.

Re: imx6q (sabresd based design) g2d_open: fail with status -24

Zhiming_Liu — Thu, 30 Nov 2023 05:51:42 GMT

Hi @daharingwitekio

Can you share the kernel version?

Re: imx6q (sabresd based design) g2d_open: fail with status -24

daharingwitekio — Thu, 30 Nov 2023 18:20:37 GMT

Ah yes, sorry I forgot to mention it. I'm using Yocto Mickledore with linux-imx kernel 6.1 (currently based on commit 04b05c5527e9af8d81254638c307df07dc9a5dd3) with the meta-imx layer.

Re: imx6q (sabresd based design) g2d_open: fail with status -24

Zhiming_Liu — Fri, 01 Dec 2023 03:33:37 GMT

Hi @daharingwitekio

I checked the current settings you shared, there is no obvious error.

Can you share the kernel log when you test g2d?

And check the information under /sys/kernel/debug/gc.

Re: imx6q (sabresd based design) g2d_open: fail with status -24

daharingwitekio — Fri, 01 Dec 2023 10:59:21 GMT

Enabling more debug using `dmesg -n 8`, and then running `/opt/g2d_samples/g2d_basic_test`, I get no new dmesg logs.

Same base error though:

root@product:/# /opt/g2d_samples/g2d_basic_test ---------------- g2d_open/close stress test ---------- [ 1] HAL user version: 6.4.11.658245 [ 2] HAL kernel version: 6.4.11.684571 g2d_open: fail with status -24 g2d_open/close stress test fail.

Under /sys/kernel/debug/gc, I got this info:

root@product:/sys/kernel/debug/gc# ls clients database64x info poweroff_timeout vidmem64x clk dump_trigger load version database idle meminfo vidmem root@product:/sys/kernel/debug/gc# cat info gpu : 0 model : 2000 revision : 5108 product : 0 eco : 0 gpu : 16 model : 320 revision : 5007 product : 0 eco : 0 gpu : 20 model : 355 revision : 1215 product : 0 eco : 0 root@product:/sys/kernel/debug/gc# cat meminfo VIDEO MEMORY: POOL SYSTEM: Free : 134199280 B Used : 18448 B MinFree : 134199280 B MaxUsed : 18448 B Total : 134217728 B POOL VIRTUAL: Used : 0 B MaxUsed : 0 B root@product:/sys/kernel/debug/gc# cat version 6.4.11.p2.684571 built at daharingwitekio-ubuntu Platform path: drivers/mxc/gpu-viv/hal/os/linux/kernel/platform/freescale/gc_hal_kernel_platform_imx.c root@product:/sys/kernel/debug/gc# cat vidmem root@product:/sys/kernel/debug/gc# cat clients PID NAME ------------------------ root@product:/sys/kernel/debug/gc# cat database GPU Idle: 0 ns root@product:/sys/kernel/debug/gc# cat load core : 0 load : 0%

One thing I noticed that might be of interest in the kernel boot logs is this:

[ 1.778654] imx-gpc 20dc000.gpc: Failed to create device link (0x180) with 20c8000.anatop:regulator-v ddpu [ 1.812171] imx-ipuv3 2400000.ipu: IPU DMFC NORMAL mode: 1(0~1), 5B(4,5), 5F(6,7)

Re: imx6q (sabresd based design) g2d_open: fail with status -24

Zhiming_Liu — Mon, 04 Dec 2023 05:16:28 GMT

Are you using custom machine and just import meta-imx from github?

Did you import meta-freescale layer?

Or you are using the Yocto project we release?

Re: imx6q (sabresd based design) g2d_open: fail with status -24

daharingwitekio — Mon, 04 Dec 2023 19:31:43 GMT

Here's the layers I'm using:

${BSPDIR}/sources/poky/meta \ ${BSPDIR}/sources/poky/meta-poky \ ${BSPDIR}/sources/meta-openembedded/meta-oe \ ${BSPDIR}/sources/meta-openembedded/meta-filesystems \ ${BSPDIR}/sources/meta-openembedded/meta-multimedia \ ${BSPDIR}/sources/meta-openembedded/meta-python \ ${BSPDIR}/sources/meta-freescale \ ${BSPDIR}/sources/meta-freescale-distro \ ${BSPDIR}/sources/meta-arm/meta-arm \ ${BSPDIR}/sources/meta-arm/meta-arm-toolchain \ ${BSPDIR}/sources/meta-imx/meta-bsp \ ${BSPDIR}/sources/meta-my-custom-layer \

And this is the NXP manifest I used as my base: https://github.com/nxp-imx/imx-manifest/blob/imx-linux-mickledore/imx-6.1.22-2.0.0.xml

My machine conf is based on `meta-imx/meta-bsp/conf/machine/imx6qsabresd.conf`. I changed to my own dts/defconfig, added firmware, etc. My kernel config is based on the same one they were using.

My distro is based on `meta-freescale-distro/conf/distro/fsl-wayland.conf`. Only real difference here is I'm using busybox/sysvinit as my virtual_runtime/init_manager

Re: imx6q (sabresd based design) g2d_open: fail with status -24

Zhiming_Liu — Tue, 05 Dec 2023 00:51:28 GMT

Hi @daharingwitekio

You are using L6.1.36 kernel and firmware not L6.1.22.

I think you should can this previous error log about regulator-vddpu, the gpu power domain not work.

pd_pu: power-domain@1 { reg = <1>; #power-domain-cells = <0>; power-supply = <&reg_pu>; clocks = <&clks IMX6QDL_CLK_GPU3D_CORE>, <&clks IMX6QDL_CLK_GPU3D_SHADER>, <&clks IMX6QDL_CLK_GPU2D_CORE>, <&clks IMX6QDL_CLK_GPU2D_AXI>, <&clks IMX6QDL_CLK_OPENVG_AXI>, <&clks IMX6QDL_CLK_VPU_AXI>; }; gpu_3d: gpu@130000 { compatible = "vivante,gc"; reg = <0x00130000 0x4000>; interrupts = <0 9 IRQ_TYPE_LEVEL_HIGH>; clocks = <&clks IMX6QDL_CLK_GPU3D_AXI>, <&clks IMX6QDL_CLK_GPU3D_CORE>, <&clks IMX6QDL_CLK_GPU3D_SHADER>; clock-names = "bus", "core", "shader"; power-domains = <&pd_pu>; #cooling-cells = <2>; status = "disabled"; };

Re: imx6q (sabresd based design) g2d_open: fail with status -24

daharingwitekio — Mon, 11 Dec 2023 17:53:07 GMT

Could you clarify what you meant by this? I did try enabling gpu_3d and gpu_2d but running the basic G2D test still failed with the same error.

Re: imx6q (sabresd based design) g2d_open: fail with status -24

Zhiming_Liu — Tue, 12 Dec 2023 09:54:27 GMT

Hi @daharingwitekio

~~From the error , seems that regulator-vddpu used by GPU has link issue.~~

imx-gpc 20dc000.gpc: Failed to create device link (0x180) with 20c8000.anatop:regulator-vddpu

Can you also test L5.15.71 BSP?

Update:

This is warning message in L6.1.36, here is my test on imx6qpdlsolox which is similiar withe imx6q.Please re-check your porting steps.

imx6qpdlsolox login: root root@imx6qpdlsolox:~# cd /opt/g2d_samples/ root@imx6qpdlsolox:/opt/g2d_samples# ./g2d_basic_test ---------------- g2d_open/close stress test ---------- Width 1920, Height 1088 ---------------- g2d_alloc stress test --------------- ---------------- test dst YUV feature ---------------- RGBA to YUY2 time 12514us, 79fps, 166Mpixel/s ........ YUY2 to NV12 time 7005us, 142fps, 298Mpixel/s ........ ---------------- g2d blit performance ---------------- RGBA->RGBA time 3704us, 269fps, 563Mpixel/s ........ g2d blending time 9338us, 107fps, 223Mpixel/s ........ ---------------- g2d clear performance ---------------- g2d clear time 1837us, 544fps, 1137Mpixel/s ........ ^C root@imx6qpdlsolox:/opt/g2d_samples# dmesg | grep imx-gpc [ 2.366450] imx-gpc 20dc000.gpc: Failed to create device link (0x180) with 20c8000.anatop:regulator-vddpu root@imx6qpdlsolox:/opt/g2d_samples#

Re: imx6q (sabresd based design) g2d_open: fail with status -24

fatalerror — Wed, 07 Feb 2024 15:28:57 GMT

I had exactly the same problem after I mixed-and-matched yocto layers. For me the problem was a mismatch between the g2d / imx-gpu-viv libs and the "galcore" kernel driver. After I made sure that g2d_basic_test spits out the same version for 'user' and 'kernel' everything worked.

It is a pity that the error messages of these closed source libs are basically worthless for non-nxp employees. Nobody knows what error -24 is supposed to mean - how about a more deccriptive message...