No /dev/fb0 created for omapdrm in current Linux next

[Tony Lindgren]

* Tomi Valkeinen <tomi.valkeinen at ti.com> [171023 00:34]:
> On 20/10/17 20:09, Tony Lindgren wrote:
> 
> > # lsmod
> > Module                  Size  Used by
> > omapdrm                69632  0
> > drm_kms_helper        163840  1 omapdrm
> > cfbfillrect            16384  1 drm_kms_helper
> > syscopyarea            16384  1 drm_kms_helper
> > cfbimgblt              16384  1 drm_kms_helper
> > sysfillrect            16384  1 drm_kms_helper
> > sysimgblt              16384  1 drm_kms_helper
> > fb_sys_fops            16384  1 drm_kms_helper
> > cfbcopyarea            16384  1 drm_kms_helper
> > drm                   364544  2 omapdrm,drm_kms_helper
> > panel_sony_acx565akm    16384  0
> > omapdss               192512  1
> > omapdss_base           24576  3 panel_sony_acx565akm,omapdrm,omapdss
> > tsc2005                16384  0
> > tsc200x_core           16384  1 tsc2005
> > twl4030_keypad         16384  0
> > matrix_keymap          16384  1 twl4030_keypad
> > rtc_twl                16384  1
> > twl4030_wdt            16384  0
> > 
> > Am I missing some module now?
> 
> omapdrm takes a ref to the panel module when it's in use, and
> panel_sony_acx565akm has refcount of 0. So for some reason the display
> setup has not been done, or it's been deferred.
> 
> I think you're missing connector_analog_tv
> (CONFIG_DRM_OMAP_CONNECTOR_ANALOG_TV).
> 
> I just tried beagleboard, it seems to work ok on next.

Sorry for the delay in replying, finally got around to trying this
again.

Your are totally right, connector_analog_tv needs to be loaded.

My updated test script below for reference.

Regards,

Tony

8< ------------------------
#!/bin/sh

modprobe twl4030_keypad
modprobe tsc2005
modprobe omapdss
modprobe panel_sony_acx565akm
modprobe connector_analog_tv
modprobe omapdrm

echo 255 > /sys/class/backlight/acx565akm/brightness
echo 0 > /sys/class/graphics/fb0/blank
echo 1 > /sys/class/graphics/fb0/blank
echo 0 > /sys/class/graphics/fb0/blank

/sbin/agetty --noclear tty1 linux &