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From: Arnd Bergmann <arnd@arndb.de>
To: Tomi Valkeinen <tomi.valkeinen@ti.com>, David Airlie <airlied@linux.ie>
Cc: Arnd Bergmann <arnd@arndb.de>,
	Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
	dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: [PATCH 1/3] drm/omap: displays: panel-dpi: add backlight dependency
Date: Wed, 19 Apr 2017 19:59:17 +0200	[thread overview]
Message-ID: <20170419175939.189098-1-arnd@arndb.de> (raw)

The panel driver gained support for backlight but fails to link now
when that is disabled:

drivers/gpu/drm/omapdrm/displays/panel-dpi.o: In function `panel_dpi_probe_of':
panel-dpi.c:(.text.panel_dpi_probe_of+0xe8): undefined reference to `of_find_backlight_by_node'

This adds a dependency like we have for the other panel drivers.

Fixes: 39135a305a0f ("drm/omap: displays: panel-dpi: Support for handling backlight devices")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 drivers/gpu/drm/omapdrm/displays/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/omapdrm/displays/Kconfig b/drivers/gpu/drm/omapdrm/displays/Kconfig
index c226da145fb3..a349cb61961e 100644
--- a/drivers/gpu/drm/omapdrm/displays/Kconfig
+++ b/drivers/gpu/drm/omapdrm/displays/Kconfig
@@ -35,6 +35,7 @@ config DRM_OMAP_CONNECTOR_ANALOG_TV
 
 config DRM_OMAP_PANEL_DPI
 	tristate "Generic DPI panel"
+	depends on BACKLIGHT_CLASS_DEVICE
 	help
 	  Driver for generic DPI panels.
 
-- 
2.9.0

             reply	other threads:[~2017-04-19 17:59 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-19 17:59 Arnd Bergmann [this message]
2017-04-19 17:59 ` [PATCH 2/3] drm/panel: S6E3HA2 needs backlight code Arnd Bergmann
2017-04-19 18:03   ` [PATCH 3/3] drm/panel: add backlight dependency for sitronix-st7789v Arnd Bergmann
2017-06-14 18:13     ` Thierry Reding
2017-06-14 18:13   ` [PATCH 2/3] drm/panel: S6E3HA2 needs backlight code Thierry Reding
2017-04-19 20:21 ` [PATCH 1/3] drm/omap: displays: panel-dpi: add backlight dependency Laurent Pinchart
2017-04-19 20:39   ` Arnd Bergmann
2017-04-20  9:01     ` Jani Nikula

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