[ 2.791774] [drm] pixel engine reset
[ 2.791786] [drm] CDN_*_Write_Register_blocking ... setting LANES_CONFIG 4e
[ 2.793593] [drm] AFE_init
[ 2.793606] [drm] deasserted reset
[ 2.793693] Wait for A2 ACK
[ 2.815577] [drm] AFE_power exit
[ 2.815583] [drm] CDN_API_DPTX_SetVideo_blocking (ret = 0)
[ 2.815603] [drm] CDN_API_DPTX_SetHostCap_blocking (ret = 0)
[ 2.818239] [drm] INFO: Full link training started
[ 2.820665] [drm] INFO: Clock recovery phase finished
[ 2.821478] [drm] INFO: Channel equalization phase finished
[ 2.821479] [drm] (last part meaning training finished)
[ 2.821511] [drm] INFO: Get Read Link Status (ret = 0) resp: rate: 20,
[ 2.821513] [drm] lanes: 4, vswing 0..3: 2 2 2, preemp 0..3: 2 1 1
[ 2.821698] [drm] CDN_API_DPTX_Set_VIC_blocking (ret = 0)
[ 2.821704] [drm] CDN_API_DPTX_SetVideo_blocking (ret = 0)
[ 2.822714] [drm] HDMI/DP Cable Plug In
[ 2.897464] mali-dp f080000.display: fb0: frame buffer device
[ 2.903577] [drm] Initialized mali-dp 1.0.0 20160106 for f080000.display on minor 0
4.2.14.2 Graphics processing unit (GPU)
Description
The GPU driver supports NXP Graphics Processing Unit (GPU).
Module loading
GPU driver supports either kernel built-in or in module.
Kernel Configure Tree View Options Description
Device Drivers--->
<*> MXC Vivante GPU support
Enable GPU module
Compile-time configuration options
Option Values Default Value Description
CONFIG_MXC_GPU_VIV=y y/m/n y Enables GPU controller
Source files
The GPU driver source is maintained in the Linux kernel source tree.
Source File Description
drivers/mxc/* GPU module support
Test procedure
Follow the below procedure to use GPU.
Device Drivers
Layerscape LS1028A BSP User Guide, Rev. 0.3, 04/2019
NXP Semiconductors
129
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