On Fri, Aug 16, 2019 at 12:47:15PM +0300, Laurent Pinchart wrote:
> On Fri, Aug 16, 2019 at 08:23:54AM +0200, Daniel Vetter wrote:
> > On Fri, Aug 16, 2019 at 6:48 AM Sam Ravnborg <sam@xxxxxxxxxxxx> wrote:
> > > > Hi all,
> > > >
> > > > After merging the drm-misc tree, today's linux-next build (x86_64
> > > > allmodconfig) produced this warning:
> > > >
> > > > warning: same module names found:
> > > > drivers/video/fbdev/omap2/omapfb/displays/panel-nec-nl8048hl11.ko
> > > > drivers/gpu/drm/panel/panel-nec-nl8048hl11.ko
> > > > warning: same module names found:
> > > > drivers/video/fbdev/omap2/omapfb/displays/panel-sharp-ls037v7dw01.ko
> > > > drivers/gpu/drm/panel/panel-sharp-ls037v7dw01.ko
> > > > warning: same module names found:
> > > > drivers/video/fbdev/omap2/omapfb/displays/panel-sony-acx565akm.ko
> > > > drivers/gpu/drm/panel/panel-sony-acx565akm.ko
> > > > warning: same module names found:
> > > > drivers/video/fbdev/omap2/omapfb/displays/panel-tpo-td028ttec1.ko
> > > > drivers/gpu/drm/panel/panel-tpo-td028ttec1.ko
> > > > warning: same module names found:
> > > > drivers/video/fbdev/omap2/omapfb/displays/panel-tpo-td043mtea1.ko
> > > > drivers/gpu/drm/panel/panel-tpo-td043mtea1.ko
> > > >
> > > > Introduced by commits
> > > >
> > > > df439abe6501 ("drm/panel: Add driver for the NEC NL8048HL11 panel")
> > > > c9cf4c2a3bd3 ("drm/panel: Add driver for the Sharp LS037V7DW01 panel")
> > > > 1c8fc3f0c5d2 ("drm/panel: Add driver for the Sony ACX565AKM panel")
> > > > 415b8dd08711 ("drm/panel: Add driver for the Toppoly TD028TTEC1 panel")
> > > > dc2e1e5b2799 ("drm/panel: Add driver for the Toppoly TD043MTEA1 panel")
> > >
> > > Ups, had not seen this one coming.
> > > We are in the process of removing the drivers in drivers/video/fbdev/omap2/omapfb/
> > > and decided to introduce the new drivers early to get them out of a
> > > longer patch series.
>
> Oops :-(
>
> The new drivers were initially part of a patch series that removed the
> duplicated drivers. The new drivers then got fast-tracked, and I didn't
> notice this issue.
>
> > Should we have a config dependency to not allow the old fbdev omap
> > when the drm omap driver is enabled? I think that would take care of
> > all this.
> >
> > Or too annoying for development?
> >
> > Also note that fbdev is in drm-misc now, so we should be able to fix
> > this all without cross-tree conflicts.
>
> Note that drivers/video/fbdev/omap2/omapfb/ will stay, it's
> drivers/gpu/drm/omapdrm/displays/ that is being removed. FB_OMAP2
> already depends on DRM_OMAP = n, I propose doing something similar at
> the level of the individual display drivers.
I've just posted "[PATCH 0/2] Fix module name clash with omapdrm and DRM
panel modules" that should solve this issue.
--
Regards,
Laurent Pinchart
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