* Tomi Valkeinen <tomi.valkei...@ti.com> [200609 15:27]:
> On 09/06/2020 18:19, Tony Lindgren wrote:
> > Currently I'm only able to rmmod -f omapdrm, not sure if these issues might
> > be related.
> 
> Hmm, I always use modules, and can unload omapdrm and drm fine. But there's
> a sequence that must be followed. However, the sequence starts with
> unloading omapdrm... What behavior you see with rmmod?

Hmm maybe it's output specific somehow?

I just tried again with the following with v5.7. I see the omapdrm
usage count issue happen at least on duovero, but don't seem to
currently get /dev/fb0 initialized on x15 with these:

modprobe omapdrm
#modprobe connector_hdmi        # up to v5.6
modprobe display-connector      # starting with v5.7-rc1
modprobe ti-tpd12s015           # beagle-x15
modprobe omapdss

# rmmod omapdrm
rmmod: ERROR: Module omapdrm is in use

# lsmod | grep omapdrm
omapdrm                65536  1
omapdss_base           16384  2 omapdrm,omapdss
drm_kms_helper        155648  3 omapdss_base,omapdrm,omapdss
drm                   372736  7 
ti_tpd12s015,omapdss_base,display_connector,omapdrm,omapdss,drm_kms_helper

On beagle-x15 I see these errors after modprobe:

DSS: OMAP DSS rev 6.1
omapdss_dss 58000000.dss: bound 58001000.dispc (ops dispc_component_ops 
[omapdss])
omapdss_dss 58000000.dss: bound 58040000.encoder (ops hdmi5_component_ops 
[omapdss])
[drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
omapdrm omapdrm.0: [drm] Cannot find any crtc or sizes
[drm] Initialized omapdrm 1.0.0 20110917 for omapdrm.0 on minor 0
omapdrm omapdrm.0: [drm] Cannot find any crtc or sizes
aic_dvdd_fixed: disabling
ldousb: disabling

Maybe I'm missing some related module on x15?

Regards,

Tony
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