vc4: NULL pointer dereference in drm_client_dev_hotplug

[Stefan Wahren]

Hi Sergey,

> Sergey Suloev <ssuloev at orpaltech.com> hat am 30. September 2018 um 15:24 geschrieben:
> 
> 
> Here is my log
> 
> [    2.868157] [drm:drm_setup_crtcs [drm_kms_helper]] connector 29 
> enabled? yes
> [    2.868199] [drm:drm_setup_crtcs [drm_kms_helper]] connector 44 
> enabled? no
> [    2.868234] [drm:drm_setup_crtcs [drm_kms_helper]] connector 50 
> enabled? yes
> [    2.868271] [drm:drm_setup_crtcs [drm_kms_helper]] looking for 
> cmdline mode on connector 29
> [    2.868308] [drm:drm_setup_crtcs [drm_kms_helper]] looking for 
> preferred mode on connector 29 0
> [    2.868343] [drm:drm_setup_crtcs [drm_kms_helper]] found mode 1280x1024
> [    2.868381] [drm:drm_setup_crtcs [drm_kms_helper]] looking for 
> cmdline mode on connector 50
> [    2.868417] [drm:drm_setup_crtcs [drm_kms_helper]] looking for 
> preferred mode on connector 50 0
> [    2.868465] [drm:drm_setup_crtcs [drm_kms_helper]] found mode 1920x1440
> [    2.868500] [drm:drm_setup_crtcs [drm_kms_helper]] picking CRTCs for 
> 2048x2048 config
> [    2.868561] [drm:drm_setup_crtcs [drm_kms_helper]] desired mode 
> 1280x1024 set on crtc 95 (0,0)
> [    2.868673] [drm:drm_mode_object_get [drm]] OBJ ID: 29 (2)
> [    2.868709] [drm:drm_setup_crtcs [drm_kms_helper]] desired mode 
> 1920x1440 set on crtc 74 (0,0)
> [    2.868790] [drm:drm_mode_object_get [drm]] OBJ ID: 50 (2)
> [    2.868832] [drm:drm_fb_helper_generic_probe [drm_kms_helper]] 
> surface width(1920), height(2880) and bpp(32)
> [    3.001470] [drm:drm_internal_framebuffer_create [drm]] bad 
> framebuffer height 2880, should be >= 0 && <= 2048
> [    3.001650] vc4-drm soc:gpu: [drm:drm_fb_helper_fbdev_setup 
> [drm_kms_helper]] *ERROR* Failed to set fbdev configuration
> 

does this config work with 4.18?