[PATCH v1 1/1] drm/drm_panel: Fix EXPORT of drm_panel_of_backlight() one more time

[Sam Ravnborg]

On Tue, Dec 17, 2019 at 08:25:03AM -0800, Randy Dunlap wrote:
> On 12/17/19 6:07 AM, Andy Shevchenko wrote:
> > The initial commit followed by the fix didn't take into consideration the case
> > 
> > CONFIG_DRM_PANEL=y
> > CONFIG_BACKLIGHT_CLASS_DEVICE=m
> > CONFIG_DRM_I915=y
> > 
> > where symbol devm_of_find_backlight() is not reachable from DRM subsystem.
> > Quick fix is to avoid drm_panel_of_backlight() from exporting in such case.
> > 
> > Fixes: 907aa265fde6 ("drm/drm_panel: fix EXPORT of drm_panel_of_backlight")
> > Reported-by: Randy Dunlap <rdunlap at infradead.org>
> > Cc: Linus Walleij <linus.walleij at linaro.org>
> > Cc: Sam Ravnborg <sam at ravnborg.org>
> > Cc: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
> > Cc: Thierry Reding <thierry.reding at gmail.com>
> > Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
> > Cc: Sean Paul <sean at poorly.run>
> > Cc: David Airlie <airlied at linux.ie>
> > Cc: Daniel Vetter <daniel at ffwll.ch>
> > Cc: Maxime Ripard <mripard at kernel.org>
> > Cc: dri-devel at lists.freedesktop.org
> > Signed-off-by: Andy Shevchenko <andriy.shevchenko at linux.intel.com>
> 
> Yes, that fixes the build error.  Thanks.
> 
> Acked-by: Randy Dunlap <rdunlap at infradead.org> # build-tested

Hi Andy - thanks for fixing this. And thanks Randy for verifying the
fix.
It passed my build test and is now pushed to drm-misc-next.

	Sam